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Merge remote-tracking branch 'upstream/master' into olimex-som204-a20

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This commit is contained in:
Stefan Mavrodiev 2018-01-12 11:09:16 +02:00
commit 1e413f01cd
17 changed files with 4289 additions and 363 deletions
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2
config/boards/orangepilite.conf
View File

@ -15,7 +15,7 @@ DESKTOP_TARGET="xenial:default"
CLI_BETA_TARGET=""
DESKTOP_BETA_TARGET="stretch:next"
#
RECOMMENDED="Ubuntu_xenial_default:90,Debian_stretch_next_desktop:80"
RECOMMENDED="Ubuntu_xenial_default:90,Debian_stretch_next_desktop_nightly:80"
#
BOARDRATING=""
CHIP="http://docs.armbian.com/Hardware_Allwinner-H3/"

2
config/boards/orangepizeroplus.conf
View File

@ -11,7 +11,7 @@ CPUMAX="1200000"
BUILD_DESKTOP="no"
#
KERNEL_TARGET="next,dev"
CLI_TARGET=""
CLI_TARGET="stretch:next"
DESKTOP_TARGET=""
#
CLI_BETA_TARGET="stretch:next"

51
config/kernel/linux-rockchip-next.config
View File

@ -1,6 +1,6 @@
#
# Automatically generated file; DO NOT EDIT.
# Linux/arm 4.14.2 Kernel Configuration
# Linux/arm 4.14.13 Kernel Configuration
#
CONFIG_ARM=y
CONFIG_ARM_HAS_SG_CHAIN=y
@ -1482,7 +1482,15 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_SCSI_OSD_INITIATOR is not set
# CONFIG_ATA is not set
CONFIG_MD=y
# CONFIG_BLK_DEV_MD is not set
CONFIG_BLK_DEV_MD=y
CONFIG_MD_AUTODETECT=y
# CONFIG_MD_LINEAR is not set
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_MD_RAID10=y
CONFIG_MD_RAID456=y
# CONFIG_MD_MULTIPATH is not set
# CONFIG_MD_FAULTY is not set
# CONFIG_BCACHE is not set
CONFIG_BLK_DEV_DM_BUILTIN=y
CONFIG_BLK_DEV_DM=y
@ -1498,6 +1506,7 @@ CONFIG_DM_THIN_PROVISIONING=y
# CONFIG_DM_CACHE is not set
# CONFIG_DM_ERA is not set
CONFIG_DM_MIRROR=y
# CONFIG_DM_LOG_USERSPACE is not set
CONFIG_DM_RAID=y
# CONFIG_DM_ZERO is not set
# CONFIG_DM_MULTIPATH is not set
@ -2374,6 +2383,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_FTSTEUTATES is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_G760A is not set
@ -2445,6 +2455,8 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_SCH56XX_COMMON is not set
# CONFIG_SENSORS_SCH5627 is not set
# CONFIG_SENSORS_SCH5636 is not set
# CONFIG_SENSORS_STTS751 is not set
# CONFIG_SENSORS_SMM665 is not set
# CONFIG_SENSORS_ADC128D818 is not set
@ -2497,7 +2509,34 @@ CONFIG_ROCKCHIP_THERMAL=y
# ACPI INT340X thermal drivers
#
# CONFIG_GENERIC_ADC_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_CORE=y
# CONFIG_WATCHDOG_NOWAYOUT is not set
CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED=y
# CONFIG_WATCHDOG_SYSFS is not set
#
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
# CONFIG_GPIO_WATCHDOG is not set
# CONFIG_XILINX_WATCHDOG is not set
# CONFIG_ZIIRAVE_WATCHDOG is not set
# CONFIG_ARM_SP805_WATCHDOG is not set
# CONFIG_CADENCE_WATCHDOG is not set
CONFIG_DW_WATCHDOG=m
# CONFIG_MAX63XX_WATCHDOG is not set
# CONFIG_MEN_A21_WDT is not set
#
# USB-based Watchdog Cards
#
# CONFIG_USBPCWATCHDOG is not set
#
# Watchdog Pretimeout Governors
#
# CONFIG_WATCHDOG_PRETIMEOUT_GOV is not set
CONFIG_SSB_POSSIBLE=y
#
@ -5039,6 +5078,7 @@ CONFIG_LKDTM=y
# CONFIG_INTERVAL_TREE_TEST is not set
# CONFIG_PERCPU_TEST is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_TEST_HEXDUMP is not set
# CONFIG_TEST_STRING_HELPERS is not set
# CONFIG_TEST_KSTRTOX is not set
@ -5107,6 +5147,11 @@ CONFIG_INTEGRITY=y
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""
CONFIG_XOR_BLOCKS=y
CONFIG_ASYNC_CORE=y
CONFIG_ASYNC_MEMCPY=y
CONFIG_ASYNC_XOR=y
CONFIG_ASYNC_PQ=y
CONFIG_ASYNC_RAID6_RECOV=y
CONFIG_CRYPTO=y
#

2
lib/repository.sh
View File

@ -45,7 +45,7 @@ ParseOptions() {
update)
# display full help test
# run repository update
addtorepo "$@" "delete"
addtorepo "$@" ""
# add a key to repo
cp ../config/armbian.key ../output/repository/public
exit 0

54
patch/kernel/cubox-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

772
patch/kernel/mvebu-default/04-patch-4.4.110-111.patch Normal file
View File

@ -0,0 +1,772 @@
diff --git a/Makefile b/Makefile
index b028c106535b..4779517d9bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 110
+SUBLEVEL = 111
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d4d8df706efa..57387b567f34 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -673,6 +673,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -689,8 +690,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8121aa6db2ff..51bb6b8eade6 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -11,6 +11,7 @@
for the semaphore. */
#define __PA_LDCW_ALIGNMENT 16
+#define __PA_LDCW_ALIGN_ORDER 4
#define __ldcw_align(a) ({ \
unsigned long __ret = (unsigned long) &(a)->lock[0]; \
__ret = (__ret + __PA_LDCW_ALIGNMENT - 1) \
@@ -28,6 +29,7 @@
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGN_ORDER 2
#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 623496c11756..5dc831955de5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,6 +35,7 @@
#include <asm/pgtable.h>
#include <asm/signal.h>
#include <asm/unistd.h>
+#include <asm/ldcw.h>
#include <asm/thread_info.h>
#include <linux/linkage.h>
@@ -46,6 +47,14 @@
#endif
.import pa_tlb_lock,data
+ .macro load_pa_tlb_lock reg
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 PA(pa_tlb_lock) + __PA_LDCW_ALIGNMENT-1, \reg
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \reg
+#else
+ load32 PA(pa_tlb_lock), \reg
+#endif
+ .endm
/* space_to_prot macro creates a prot id from a space id */
@@ -457,7 +466,7 @@
.macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
#ifdef CONFIG_SMP
cmpib,COND(=),n 0,\spc,2f
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -480,7 +489,7 @@
/* Release pa_tlb_lock lock. */
.macro tlb_unlock1 spc,tmp
#ifdef CONFIG_SMP
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
tlb_unlock0 \spc,\tmp
#endif
.endm
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a4761b772406..16073f472118 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -36,6 +36,7 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <asm/ldcw.h>
#include <linux/linkage.h>
.text
@@ -333,8 +334,12 @@ ENDPROC(flush_data_cache_local)
.macro tlb_lock la,flags,tmp
#ifdef CONFIG_SMP
- ldil L%pa_tlb_lock,%r1
- ldo R%pa_tlb_lock(%r1),\la
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 pa_tlb_lock + __PA_LDCW_ALIGNMENT-1, \la
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \la
+#else
+ load32 pa_tlb_lock, \la
+#endif
rsm PSW_SM_I,\flags
1: LDCW 0(\la),\tmp
cmpib,<>,n 0,\tmp,3f
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 437e61159279..0176ebc97bfd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -263,6 +263,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index aa828191c654..b8f69e264ac4 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -12,6 +12,7 @@
#include <linux/random.h>
#include <linux/elf.h>
#include <linux/cpu.h>
+#include <asm/pvclock.h>
#include <asm/vgtod.h>
#include <asm/proto.h>
#include <asm/vdso.h>
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 174c2549939d..112178b401a1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -66,6 +66,11 @@ static int __init vsyscall_setup(char *str)
}
early_param("vsyscall", vsyscall_setup);
+bool vsyscall_enabled(void)
+{
+ return vsyscall_mode != NONE;
+}
+
static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
const char *message)
{
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..4865e10dbb55 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -12,12 +12,14 @@ extern void map_vsyscall(void);
* Returns true if handled.
*/
extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+extern bool vsyscall_enabled(void);
#else
static inline void map_vsyscall(void) {}
static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
{
return false;
}
+static inline bool vsyscall_enabled(void) { return false; }
#endif
#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 2233f8a76615..2a0f44d225fe 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -580,6 +580,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
+#define F17H_MPB_MAX_SIZE 3200
switch (family) {
case 0x14:
@@ -591,6 +592,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
case 0x16:
max_size = F16H_MPB_MAX_SIZE;
break;
+ case 0x17:
+ max_size = F17H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2bd45ae91eb3..151fd33e9043 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -757,7 +757,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.state = 0,
.cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */
};
-EXPORT_SYMBOL_GPL(cpu_tlbstate);
+EXPORT_PER_CPU_SYMBOL(cpu_tlbstate);
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
{
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b0b3a69f1c7f..6a7a77929a8c 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/desc.h>
#include <asm/cmdline.h>
+#include <asm/vsyscall.h>
int kaiser_enabled __read_mostly = 1;
EXPORT_SYMBOL(kaiser_enabled); /* for inlined TLB flush functions */
@@ -111,12 +112,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr)
*
* Returns a pointer to a PTE on success, or NULL on failure.
*/
-static pte_t *kaiser_pagetable_walk(unsigned long address)
+static pte_t *kaiser_pagetable_walk(unsigned long address, bool user)
{
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address));
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
+ unsigned long prot = _KERNPG_TABLE;
if (pgd_none(*pgd)) {
WARN_ONCE(1, "All shadow pgds should have been populated");
@@ -124,6 +126,17 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
}
BUILD_BUG_ON(pgd_large(*pgd) != 0);
+ if (user) {
+ /*
+ * The vsyscall page is the only page that will have
+ * _PAGE_USER set. Catch everything else.
+ */
+ BUG_ON(address != VSYSCALL_ADDR);
+
+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
+ prot = _PAGE_TABLE;
+ }
+
pud = pud_offset(pgd, address);
/* The shadow page tables do not use large mappings: */
if (pud_large(*pud)) {
@@ -136,7 +149,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pud_none(*pud)) {
- set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
+ set_pud(pud, __pud(prot | __pa(new_pmd_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pmd_page), NR_KAISERTABLE);
} else
@@ -156,7 +169,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pmd_none(*pmd)) {
- set_pmd(pmd, __pmd(_KERNPG_TABLE | __pa(new_pte_page)));
+ set_pmd(pmd, __pmd(prot | __pa(new_pte_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pte_page), NR_KAISERTABLE);
} else
@@ -192,7 +205,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size,
ret = -EIO;
break;
}
- pte = kaiser_pagetable_walk(address);
+ pte = kaiser_pagetable_walk(address, flags & _PAGE_USER);
if (!pte) {
ret = -ENOMEM;
break;
@@ -319,6 +332,19 @@ void __init kaiser_init(void)
kaiser_init_all_pgds();
+ /*
+ * Note that this sets _PAGE_USER and it needs to happen when the
+ * pagetable hierarchy gets created, i.e., early. Otherwise
+ * kaiser_pagetable_walk() will encounter initialized PTEs in the
+ * hierarchy and not set the proper permissions, leading to the
+ * pagefaults with page-protection violations when trying to read the
+ * vsyscall page. For example.
+ */
+ if (vsyscall_enabled())
+ kaiser_add_user_map_early((void *)VSYSCALL_ADDR,
+ PAGE_SIZE,
+ __PAGE_KERNEL_VSYSCALL);
+
for_each_possible_cpu(cpu) {
void *percpu_vaddr = __per_cpu_user_mapped_start +
per_cpu_offset(cpu);
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 81ec7c02f968..fdfa25c83119 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -126,10 +126,16 @@ void __init kasan_init(void)
/*
* kasan_zero_page has been used as early shadow memory, thus it may
- * contain some garbage. Now we can clear it, since after the TLB flush
- * no one should write to it.
+ * contain some garbage. Now we can clear and write protect it, since
+ * after the TLB flush no one should write to it.
*/
memset(kasan_zero_page, 0, PAGE_SIZE);
+ for (i = 0; i < PTRS_PER_PTE; i++) {
+ pte_t pte = __pte(__pa(kasan_zero_page) | __PAGE_KERNEL_RO);
+ set_pte(&kasan_zero_pte[i], pte);
+ }
+ /* Flush TLBs again to be sure that write protection applied. */
+ __flush_tlb_all();
init_task.kasan_depth = 0;
pr_info("KernelAddressSanitizer initialized\n");
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c
index 99c3cce01290..0214600ba071 100644
--- a/crypto/chacha20poly1305.c
+++ b/crypto/chacha20poly1305.c
@@ -600,6 +600,11 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(poly))
return PTR_ERR(poly);
+ poly_hash = __crypto_hash_alg_common(poly);
+
+ err = -EINVAL;
+ if (poly_hash->digestsize != POLY1305_DIGEST_SIZE)
+ goto out_put_poly;
err = -ENOMEM;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
@@ -608,7 +613,6 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
ctx = aead_instance_ctx(inst);
ctx->saltlen = CHACHAPOLY_IV_SIZE - ivsize;
- poly_hash = __crypto_hash_alg_common(poly);
err = crypto_init_ahash_spawn(&ctx->poly, poly_hash,
aead_crypto_instance(inst));
if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index ee9cfb99fe25..f8ec3d4ba4a8 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -254,6 +254,14 @@ static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
crypto_free_aead(ctx->child);
}
+static void pcrypt_free(struct aead_instance *inst)
+{
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
+
+ crypto_drop_aead(&ctx->spawn);
+ kfree(inst);
+}
+
static int pcrypt_init_instance(struct crypto_instance *inst,
struct crypto_alg *alg)
{
@@ -319,6 +327,8 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.encrypt = pcrypt_aead_encrypt;
inst->alg.decrypt = pcrypt_aead_decrypt;
+ inst->free = pcrypt_free;
+
err = aead_register_instance(tmpl, inst);
if (err)
goto out_drop_aead;
@@ -349,14 +359,6 @@ static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
return -EINVAL;
}
-static void pcrypt_free(struct crypto_instance *inst)
-{
- struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
-
- crypto_drop_aead(&ctx->spawn);
- kfree(inst);
-}
-
static int pcrypt_cpumask_change_notify(struct notifier_block *self,
unsigned long val, void *data)
{
@@ -469,7 +471,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
static struct crypto_template pcrypt_tmpl = {
.name = "pcrypt",
.create = pcrypt_create,
- .free = pcrypt_free,
.module = THIS_MODULE,
};
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 25996e256110..0ffb247b42d6 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -178,6 +178,7 @@ static struct bus_type sunxi_rsb_bus = {
.match = sunxi_rsb_device_match,
.probe = sunxi_rsb_device_probe,
.remove = sunxi_rsb_device_remove,
+ .uevent = of_device_uevent_modalias,
};
static void sunxi_rsb_dev_release(struct device *dev)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..5a9083021fa0 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1641,6 +1641,7 @@ static int queue_cache_init(void)
CWQ_ENTRY_SIZE, 0, NULL);
if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
return -ENOMEM;
}
return 0;
@@ -1650,6 +1651,8 @@ static void queue_cache_destroy(void)
{
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
+ queue_cache[HV_NCS_QTYPE_CWQ - 1] = NULL;
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6f4dc0fd2ca3..51b96e9bf793 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 9d46a0bdd9f9..a260060042ad 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -59,6 +59,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
GROUP_AT(gi, i) = exp->ex_anon_gid;
else
GROUP_AT(gi, i) = GROUP_AT(rqgi, i);
+
+ /* Each thread allocates its own gi, no race */
+ groups_sort(gi);
}
} else {
gi = get_group_info(rqgi);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 257db64562e5..9e120c92551b 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -87,6 +87,7 @@ extern int set_current_groups(struct group_info *);
extern void set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, kgid_t);
extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 115bb81912cc..94a8aae8f9e2 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -764,7 +764,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
{
if (fscache_cookie_valid(cookie) && PageFsCache(page))
return __fscache_maybe_release_page(cookie, page, gfp);
- return false;
+ return true;
}
/**
diff --git a/kernel/acct.c b/kernel/acct.c
index 74963d192c5d..37f1dc696fbd 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -99,7 +99,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
{
struct kstatfs sbuf;
- if (time_is_before_jiffies(acct->needcheck))
+ if (time_is_after_jiffies(acct->needcheck))
goto out;
/* May block */
diff --git a/kernel/groups.c b/kernel/groups.c
index 74d431d25251..5ea9847f172f 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -101,7 +101,7 @@ static int groups_from_user(struct group_info *group_info,
}
/* a simple Shell sort */
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
@@ -128,6 +128,7 @@ static void groups_sort(struct group_info *group_info)
stride /= 3;
}
}
+EXPORT_SYMBOL(groups_sort);
/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
@@ -159,7 +160,6 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
void set_groups(struct cred *new, struct group_info *group_info)
{
put_group_info(new->group_info);
- groups_sort(group_info);
get_group_info(group_info);
new->group_info = group_info;
}
@@ -243,6 +243,7 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/kernel/module.c b/kernel/module.c
index b14a4f31221f..0a56098d3738 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2404,7 +2404,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
if (sym->st_shndx == SHN_UNDEF)
return 'U';
- if (sym->st_shndx == SHN_ABS)
+ if (sym->st_shndx == SHN_ABS || sym->st_shndx == info->index.pcpu)
return 'a';
if (sym->st_shndx >= SHN_LORESERVE)
return '?';
@@ -2433,7 +2433,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
- unsigned int shnum)
+ unsigned int shnum, unsigned int pcpundx)
{
const Elf_Shdr *sec;
@@ -2442,6 +2442,11 @@ static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
|| !src->st_name)
return false;
+#ifdef CONFIG_KALLSYMS_ALL
+ if (src->st_shndx == pcpundx)
+ return true;
+#endif
+
sec = sechdrs + src->st_shndx;
if (!(sec->sh_flags & SHF_ALLOC)
#ifndef CONFIG_KALLSYMS_ALL
@@ -2479,7 +2484,8 @@ static void layout_symtab(struct module *mod, struct load_info *info)
/* Compute total space required for the core symbols' strtab. */
for (ndst = i = 0; i < nsrc; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
strtab_size += strlen(&info->strtab[src[i].st_name])+1;
ndst++;
}
@@ -2537,7 +2543,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
src = mod->kallsyms->symtab;
for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
dst[ndst] = src[i];
dst[ndst++].st_name = s - mod->core_kallsyms.strtab;
s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name],
@@ -2881,8 +2888,12 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
return -ENOEXEC;
}
- if (!get_modinfo(info, "intree"))
+ if (!get_modinfo(info, "intree")) {
+ if (!test_taint(TAINT_OOT_MODULE))
+ pr_warn("%s: loading out-of-tree module taints kernel.\n",
+ mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
+ }
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
@@ -3047,6 +3058,8 @@ static int move_module(struct module *mod, struct load_info *info)
static int check_module_license_and_versions(struct module *mod)
{
+ int prev_taint = test_taint(TAINT_PROPRIETARY_MODULE);
+
/*
* ndiswrapper is under GPL by itself, but loads proprietary modules.
* Don't use add_taint_module(), as it would prevent ndiswrapper from
@@ -3065,6 +3078,9 @@ static int check_module_license_and_versions(struct module *mod)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
LOCKDEP_NOW_UNRELIABLE);
+ if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
+ pr_warn("%s: module license taints kernel.\n", mod->name);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/signal.c b/kernel/signal.c
index 5d50ea899b6d..4a548c6a4118 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -72,7 +72,7 @@ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
handler = sig_handler(t, sig);
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
- handler == SIG_DFL && !force)
+ handler == SIG_DFL && !(force && sig_kernel_only(sig)))
return 1;
return sig_handler_ignored(handler, sig);
@@ -88,13 +88,15 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
- if (!sig_task_ignored(t, sig, force))
- return 0;
-
/*
- * Tracers may want to know about even ignored signals.
+ * Tracers may want to know about even ignored signal unless it
+ * is SIGKILL which can't be reported anyway but can be ignored
+ * by SIGNAL_UNKILLABLE task.
*/
- return !t->ptrace;
+ if (t->ptrace && sig != SIGKILL)
+ return 0;
+
+ return sig_task_ignored(t, sig, force);
}
/*
@@ -917,9 +919,9 @@ static void complete_signal(int sig, struct task_struct *p, int group)
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
- !(signal->flags & (SIGNAL_UNKILLABLE | SIGNAL_GROUP_EXIT)) &&
+ !(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
- (sig == SIGKILL || !t->ptrace)) {
+ (sig == SIGKILL || !p->ptrace)) {
/*
* This signal will be fatal to the whole group.
*/
diff --git a/kernel/uid16.c b/kernel/uid16.c
index d58cc4d8f0d1..651aaa5221ec 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -190,6 +190,7 @@ SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 324b7e90b4c5..5712cdaae964 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1351,7 +1351,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ seq_puts(m, vmstat_text[off]);
+ seq_put_decimal_ull(m, ' ', *l);
+ seq_putc(m, '\n');
return 0;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 2410d557ae39..89731c9023f0 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -231,6 +231,7 @@ static int gssx_dec_linux_creds(struct xdr_stream *xdr,
goto out_free_groups;
GROUP_AT(creds->cr_group_info, i) = kgid;
}
+ groups_sort(creds->cr_group_info);
return 0;
out_free_groups:
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 033fec307528..036bbf2b44c1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -481,6 +481,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
+ groups_sort(rsci.cred.cr_group_info);
/* mech name */
len = qword_get(&mesg, buf, mlen);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 621ca7b4a155..98db1715cb17 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -520,6 +520,7 @@ static int unix_gid_parse(struct cache_detail *cd,
GROUP_AT(ug.gi, i) = kgid;
}
+ groups_sort(ug.gi);
ugp = unix_gid_lookup(cd, uid);
if (ugp) {
struct cache_head *ch;
@@ -827,6 +828,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
GROUP_AT(cred->cr_group_info, i) = kgid;
}
+ groups_sort(cred->cr_group_info);
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 88632df4381b..dafaf96e0a34 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
- int c;
+ int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
- if (c == ' ') {
+ if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
+ } else if (c == '"') {
+ in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;

357
patch/kernel/mvebu-next/add-helios4.patch
View File

@ -1,357 +0,0 @@
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index eff87a3..3efb92f
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1028,6 +1028,7 @@ dtb-$(CONFIG_MACH_ARMADA_38X) += \
armada-385-linksys-rango.dtb \
armada-385-linksys-shelby.dtb \
armada-385-synology-ds116.dtb \
+ armada-388-helios4.dtb \
armada-385-turris-omnia.dtb \
armada-388-clearfog.dtb \
armada-388-clearfog-base.dtb \
diff --git a/arch/arm/boot/dts/armada-388-helios4.dts b/arch/arm/boot/dts/armada-388-helios4.dts
new file mode 100644
index 0000000..4edb552
--- /dev/null
+++ b/arch/arm/boot/dts/armada-388-helios4.dts
@@ -0,0 +1,339 @@
+/*
+ * Device Tree file for Helios-4
+ * based on SolidRun Clearfog revision A1 rev 2.0 (88F6828)
+ *
+ * Copyright (C) 2017
+ *
+ */
+
+/dts-v1/;
+#include "armada-388.dtsi"
+#include "armada-38x-solidrun-microsom.dtsi"
+
+/ {
+ model = "Helios4";
+ compatible = "marvell,armada388",
+ "marvell,armada385", "marvell,armada380";
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x40000000>; /* 1 GB */
+ };
+
+ aliases {
+ /* So that mvebu u-boot can update the MAC addresses */
+ ethernet1 = &eth0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reg_12v: regulator-12v {
+ compatible = "regulator-fixed";
+ regulator-name = "power_brick_12V";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ vin-supply = <&reg_12v>;
+ };
+
+ reg_5p0v_hdd: regulator-5v-hdd {
+ compatible = "regulator-fixed";
+ regulator-name = "5V_HDD";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ vin-supply = <&reg_12v>;
+ };
+
+ reg_5p0v_usb: regulator-5v-usb {
+ compatible = "regulator-fixed";
+ regulator-name = "USB-PWR";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ enable-active-high;
+ gpio = <&expander0 6 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&reg_12v>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-0 = <&user_button_pins>;
+ pinctrl-names = "default";
+
+ button_0 {
+ label = "User Button";
+ gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
+ linux,can-disable;
+ linux,code = <BTN_0>;
+ };
+ };
+
+ system-leds {
+ compatible = "gpio-leds";
+ status-led {
+ label = "helios4:green:status";
+ gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+
+ fault-led {
+ label = "helios4:red:fault";
+ gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
+ default-state = "keep";
+ };
+ };
+
+ io-leds {
+ compatible = "gpio-leds";
+ sata1-led {
+ label = "helios4:green:ata1";
+ gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "ata1";
+ default-state = "off";
+ };
+ sata2-led {
+ label = "helios4:green:ata2";
+ gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "ata2";
+ default-state = "off";
+ };
+ sata3-led {
+ label = "helios4:green:ata3";
+ gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "ata3";
+ default-state = "off";
+ };
+ sata4-led {
+ label = "helios4:green:ata4";
+ gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "ata4";
+ default-state = "off";
+ };
+ usb-led {
+ label = "helios4:green:usb";
+ gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "usb-host";
+ default-state = "off";
+ };
+ };
+
+ fan1: j10-pwm {
+ compatible = "pwm-fan";
+ pwms = <&gpio1 9 3000>;
+ };
+
+ fan2: j17-pwm {
+ compatible = "pwm-fan";
+ pwms = <&gpio1 4 4500>;
+ };
+
+ usb2_phy: usb2-phy {
+ compatible = "usb-nop-xceiv";
+ vbus-regulator = <&reg_5p0v_usb>;
+ };
+
+ usb3_phy: usb3-phy {
+ compatible = "usb-nop-xceiv";
+ //vbus-regulator = <&reg_5p0v_usb>;
+ };
+
+ soc {
+ internal-regs {
+ i2c@11000 {
+ clock-frequency = <100000>;
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ /*
+ * PCA9655 GPIO expander, up to 1MHz clock.
+ * 0-Board Revision bit 0 #
+ * 1-Board Revision bit 1 #
+ * 5-USB3 overcurrent
+ * 6-USB3 power
+ */
+ expander0: gpio-expander@20 {
+ /*
+ * This is how it should be:
+ * compatible = "onnn,pca9655",
+ * "nxp,pca9555";
+ * but you can't do this because of
+ * the way I2C works.
+ */
+ compatible = "nxp,pca9555";
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x20>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pca0_pins>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ board_rev_bit_0 {
+ gpio-hog;
+ gpios = <0 GPIO_ACTIVE_LOW>;
+ input;
+ line-name = "board-rev-0";
+ };
+ board_rev_bit_1 {
+ gpio-hog;
+ gpios = <1 GPIO_ACTIVE_LOW>;
+ input;
+ line-name = "board-rev-1";
+ };
+ usb3_ilimit {
+ gpio-hog;
+ gpios = <5 GPIO_ACTIVE_HIGH>;
+ input;
+ line-name = "usb-overcurrent-status";
+ };
+ };
+
+ temp_sensor: temp@4c {
+ compatible = "ti,lm75";
+ reg = <0x4c>;
+ vcc-supply = <&reg_3p3v>;
+ };
+
+ /* What device at 0x64 ? */
+ };
+
+ i2c@11100 {
+ /*
+ * External I2C Bus for user peripheral
+ */
+ clock-frequency = <400000>;
+ pinctrl-0 = <&helios_i2c1_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+ };
+
+ sata@a8000 {
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sata0: sata-port@0 {
+ reg = <0>;
+ };
+
+ sata1: sata-port@1 {
+ reg = <1>;
+ };
+ };
+
+ sata@e0000 {
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sata2: sata-port@0 {
+ reg = <0>;
+ };
+
+ sata3: sata-port@1 {
+ reg = <1>;
+ };
+ };
+
+ spi@10680 {
+ pinctrl-0 = <&spi1_pins
+ &microsom_spi1_cs_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "w25q32", "jedec,spi-nor";
+ reg = <0>; /* Chip select 0 */
+ spi-max-frequency = <104000000>;
+ spi-cpha;
+ status = "okay";
+ };
+ };
+
+ sdhci@d8000 {
+ bus-width = <4>;
+ cd-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+ no-1-8-v;
+ pinctrl-0 = <&helios_sdhci_pins
+ &helios_sdhci_cd_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+ vmmc = <&reg_3p3v>;
+ wp-inverted;
+ };
+
+ usb@58000 {
+ //vcc-supply = <&reg_5p0v_usb>;
+ usb-phy = <&usb2_phy>;
+ status = "okay";
+ };
+
+ usb3@f0000 {
+ status = "okay";
+ };
+
+ usb3@f8000 {
+ status = "okay";
+ };
+
+ pinctrl@18000 {
+ pca0_pins: pca0_pins {
+ marvell,pins = "mpp18";
+ marvell,function = "gpio";
+ };
+ helios_i2c1_pins: i2c1-pins {
+ marvell,pins = "mpp26", "mpp27";
+ marvell,function = "i2c1";
+ };
+ helios_sdhci_cd_pins: helios-sdhci-cd-pins {
+ marvell,pins = "mpp20";
+ marvell,function = "gpio";
+ };
+ helios_sdhci_pins: helios-sdhci-pins {
+ marvell,pins = "mpp21", "mpp28",
+ "mpp37", "mpp38",
+ "mpp39", "mpp40";
+ marvell,function = "sd0";
+ };
+ helios_led_pins: helios-led-pins {
+ marvell,pins = "mpp24", "mpp25",
+ "mpp49", "mpp50",
+ "mpp52", "mpp53",
+ "mpp54";
+ marvell,function = "gpio";
+ };
+ helios_fan_pins: helios-fan-pins {
+ marvell,pins = "mpp41", "mpp43",
+ "mpp48", "mpp55";
+ marvell,function = "gpio";
+ };
+ microsom_spi1_cs_pins: spi1-cs-pins {
+ marvell,pins = "mpp59";
+ marvell,function = "spi1";
+ };
+ user_button_pins: user-button-pins {
+ marvell,pins = "mpp23";
+ marvell,function = "gpio";
+ };
+ };
+ };
+ };
+};

54
patch/kernel/mvebu-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

772
patch/kernel/mvebu64-default/04-patch-4.4.110-111.patch Normal file
View File

@ -0,0 +1,772 @@
diff --git a/Makefile b/Makefile
index b028c106535b..4779517d9bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 110
+SUBLEVEL = 111
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d4d8df706efa..57387b567f34 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -673,6 +673,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -689,8 +690,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8121aa6db2ff..51bb6b8eade6 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -11,6 +11,7 @@
for the semaphore. */
#define __PA_LDCW_ALIGNMENT 16
+#define __PA_LDCW_ALIGN_ORDER 4
#define __ldcw_align(a) ({ \
unsigned long __ret = (unsigned long) &(a)->lock[0]; \
__ret = (__ret + __PA_LDCW_ALIGNMENT - 1) \
@@ -28,6 +29,7 @@
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGN_ORDER 2
#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 623496c11756..5dc831955de5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,6 +35,7 @@
#include <asm/pgtable.h>
#include <asm/signal.h>
#include <asm/unistd.h>
+#include <asm/ldcw.h>
#include <asm/thread_info.h>
#include <linux/linkage.h>
@@ -46,6 +47,14 @@
#endif
.import pa_tlb_lock,data
+ .macro load_pa_tlb_lock reg
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 PA(pa_tlb_lock) + __PA_LDCW_ALIGNMENT-1, \reg
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \reg
+#else
+ load32 PA(pa_tlb_lock), \reg
+#endif
+ .endm
/* space_to_prot macro creates a prot id from a space id */
@@ -457,7 +466,7 @@
.macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
#ifdef CONFIG_SMP
cmpib,COND(=),n 0,\spc,2f
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -480,7 +489,7 @@
/* Release pa_tlb_lock lock. */
.macro tlb_unlock1 spc,tmp
#ifdef CONFIG_SMP
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
tlb_unlock0 \spc,\tmp
#endif
.endm
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a4761b772406..16073f472118 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -36,6 +36,7 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <asm/ldcw.h>
#include <linux/linkage.h>
.text
@@ -333,8 +334,12 @@ ENDPROC(flush_data_cache_local)
.macro tlb_lock la,flags,tmp
#ifdef CONFIG_SMP
- ldil L%pa_tlb_lock,%r1
- ldo R%pa_tlb_lock(%r1),\la
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 pa_tlb_lock + __PA_LDCW_ALIGNMENT-1, \la
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \la
+#else
+ load32 pa_tlb_lock, \la
+#endif
rsm PSW_SM_I,\flags
1: LDCW 0(\la),\tmp
cmpib,<>,n 0,\tmp,3f
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 437e61159279..0176ebc97bfd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -263,6 +263,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index aa828191c654..b8f69e264ac4 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -12,6 +12,7 @@
#include <linux/random.h>
#include <linux/elf.h>
#include <linux/cpu.h>
+#include <asm/pvclock.h>
#include <asm/vgtod.h>
#include <asm/proto.h>
#include <asm/vdso.h>
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 174c2549939d..112178b401a1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -66,6 +66,11 @@ static int __init vsyscall_setup(char *str)
}
early_param("vsyscall", vsyscall_setup);
+bool vsyscall_enabled(void)
+{
+ return vsyscall_mode != NONE;
+}
+
static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
const char *message)
{
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..4865e10dbb55 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -12,12 +12,14 @@ extern void map_vsyscall(void);
* Returns true if handled.
*/
extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+extern bool vsyscall_enabled(void);
#else
static inline void map_vsyscall(void) {}
static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
{
return false;
}
+static inline bool vsyscall_enabled(void) { return false; }
#endif
#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 2233f8a76615..2a0f44d225fe 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -580,6 +580,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
+#define F17H_MPB_MAX_SIZE 3200
switch (family) {
case 0x14:
@@ -591,6 +592,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
case 0x16:
max_size = F16H_MPB_MAX_SIZE;
break;
+ case 0x17:
+ max_size = F17H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2bd45ae91eb3..151fd33e9043 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -757,7 +757,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.state = 0,
.cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */
};
-EXPORT_SYMBOL_GPL(cpu_tlbstate);
+EXPORT_PER_CPU_SYMBOL(cpu_tlbstate);
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
{
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b0b3a69f1c7f..6a7a77929a8c 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/desc.h>
#include <asm/cmdline.h>
+#include <asm/vsyscall.h>
int kaiser_enabled __read_mostly = 1;
EXPORT_SYMBOL(kaiser_enabled); /* for inlined TLB flush functions */
@@ -111,12 +112,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr)
*
* Returns a pointer to a PTE on success, or NULL on failure.
*/
-static pte_t *kaiser_pagetable_walk(unsigned long address)
+static pte_t *kaiser_pagetable_walk(unsigned long address, bool user)
{
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address));
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
+ unsigned long prot = _KERNPG_TABLE;
if (pgd_none(*pgd)) {
WARN_ONCE(1, "All shadow pgds should have been populated");
@@ -124,6 +126,17 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
}
BUILD_BUG_ON(pgd_large(*pgd) != 0);
+ if (user) {
+ /*
+ * The vsyscall page is the only page that will have
+ * _PAGE_USER set. Catch everything else.
+ */
+ BUG_ON(address != VSYSCALL_ADDR);
+
+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
+ prot = _PAGE_TABLE;
+ }
+
pud = pud_offset(pgd, address);
/* The shadow page tables do not use large mappings: */
if (pud_large(*pud)) {
@@ -136,7 +149,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pud_none(*pud)) {
- set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
+ set_pud(pud, __pud(prot | __pa(new_pmd_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pmd_page), NR_KAISERTABLE);
} else
@@ -156,7 +169,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pmd_none(*pmd)) {
- set_pmd(pmd, __pmd(_KERNPG_TABLE | __pa(new_pte_page)));
+ set_pmd(pmd, __pmd(prot | __pa(new_pte_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pte_page), NR_KAISERTABLE);
} else
@@ -192,7 +205,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size,
ret = -EIO;
break;
}
- pte = kaiser_pagetable_walk(address);
+ pte = kaiser_pagetable_walk(address, flags & _PAGE_USER);
if (!pte) {
ret = -ENOMEM;
break;
@@ -319,6 +332,19 @@ void __init kaiser_init(void)
kaiser_init_all_pgds();
+ /*
+ * Note that this sets _PAGE_USER and it needs to happen when the
+ * pagetable hierarchy gets created, i.e., early. Otherwise
+ * kaiser_pagetable_walk() will encounter initialized PTEs in the
+ * hierarchy and not set the proper permissions, leading to the
+ * pagefaults with page-protection violations when trying to read the
+ * vsyscall page. For example.
+ */
+ if (vsyscall_enabled())
+ kaiser_add_user_map_early((void *)VSYSCALL_ADDR,
+ PAGE_SIZE,
+ __PAGE_KERNEL_VSYSCALL);
+
for_each_possible_cpu(cpu) {
void *percpu_vaddr = __per_cpu_user_mapped_start +
per_cpu_offset(cpu);
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 81ec7c02f968..fdfa25c83119 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -126,10 +126,16 @@ void __init kasan_init(void)
/*
* kasan_zero_page has been used as early shadow memory, thus it may
- * contain some garbage. Now we can clear it, since after the TLB flush
- * no one should write to it.
+ * contain some garbage. Now we can clear and write protect it, since
+ * after the TLB flush no one should write to it.
*/
memset(kasan_zero_page, 0, PAGE_SIZE);
+ for (i = 0; i < PTRS_PER_PTE; i++) {
+ pte_t pte = __pte(__pa(kasan_zero_page) | __PAGE_KERNEL_RO);
+ set_pte(&kasan_zero_pte[i], pte);
+ }
+ /* Flush TLBs again to be sure that write protection applied. */
+ __flush_tlb_all();
init_task.kasan_depth = 0;
pr_info("KernelAddressSanitizer initialized\n");
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c
index 99c3cce01290..0214600ba071 100644
--- a/crypto/chacha20poly1305.c
+++ b/crypto/chacha20poly1305.c
@@ -600,6 +600,11 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(poly))
return PTR_ERR(poly);
+ poly_hash = __crypto_hash_alg_common(poly);
+
+ err = -EINVAL;
+ if (poly_hash->digestsize != POLY1305_DIGEST_SIZE)
+ goto out_put_poly;
err = -ENOMEM;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
@@ -608,7 +613,6 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
ctx = aead_instance_ctx(inst);
ctx->saltlen = CHACHAPOLY_IV_SIZE - ivsize;
- poly_hash = __crypto_hash_alg_common(poly);
err = crypto_init_ahash_spawn(&ctx->poly, poly_hash,
aead_crypto_instance(inst));
if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index ee9cfb99fe25..f8ec3d4ba4a8 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -254,6 +254,14 @@ static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
crypto_free_aead(ctx->child);
}
+static void pcrypt_free(struct aead_instance *inst)
+{
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
+
+ crypto_drop_aead(&ctx->spawn);
+ kfree(inst);
+}
+
static int pcrypt_init_instance(struct crypto_instance *inst,
struct crypto_alg *alg)
{
@@ -319,6 +327,8 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.encrypt = pcrypt_aead_encrypt;
inst->alg.decrypt = pcrypt_aead_decrypt;
+ inst->free = pcrypt_free;
+
err = aead_register_instance(tmpl, inst);
if (err)
goto out_drop_aead;
@@ -349,14 +359,6 @@ static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
return -EINVAL;
}
-static void pcrypt_free(struct crypto_instance *inst)
-{
- struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
-
- crypto_drop_aead(&ctx->spawn);
- kfree(inst);
-}
-
static int pcrypt_cpumask_change_notify(struct notifier_block *self,
unsigned long val, void *data)
{
@@ -469,7 +471,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
static struct crypto_template pcrypt_tmpl = {
.name = "pcrypt",
.create = pcrypt_create,
- .free = pcrypt_free,
.module = THIS_MODULE,
};
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 25996e256110..0ffb247b42d6 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -178,6 +178,7 @@ static struct bus_type sunxi_rsb_bus = {
.match = sunxi_rsb_device_match,
.probe = sunxi_rsb_device_probe,
.remove = sunxi_rsb_device_remove,
+ .uevent = of_device_uevent_modalias,
};
static void sunxi_rsb_dev_release(struct device *dev)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..5a9083021fa0 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1641,6 +1641,7 @@ static int queue_cache_init(void)
CWQ_ENTRY_SIZE, 0, NULL);
if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
return -ENOMEM;
}
return 0;
@@ -1650,6 +1651,8 @@ static void queue_cache_destroy(void)
{
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
+ queue_cache[HV_NCS_QTYPE_CWQ - 1] = NULL;
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6f4dc0fd2ca3..51b96e9bf793 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 9d46a0bdd9f9..a260060042ad 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -59,6 +59,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
GROUP_AT(gi, i) = exp->ex_anon_gid;
else
GROUP_AT(gi, i) = GROUP_AT(rqgi, i);
+
+ /* Each thread allocates its own gi, no race */
+ groups_sort(gi);
}
} else {
gi = get_group_info(rqgi);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 257db64562e5..9e120c92551b 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -87,6 +87,7 @@ extern int set_current_groups(struct group_info *);
extern void set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, kgid_t);
extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 115bb81912cc..94a8aae8f9e2 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -764,7 +764,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
{
if (fscache_cookie_valid(cookie) && PageFsCache(page))
return __fscache_maybe_release_page(cookie, page, gfp);
- return false;
+ return true;
}
/**
diff --git a/kernel/acct.c b/kernel/acct.c
index 74963d192c5d..37f1dc696fbd 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -99,7 +99,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
{
struct kstatfs sbuf;
- if (time_is_before_jiffies(acct->needcheck))
+ if (time_is_after_jiffies(acct->needcheck))
goto out;
/* May block */
diff --git a/kernel/groups.c b/kernel/groups.c
index 74d431d25251..5ea9847f172f 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -101,7 +101,7 @@ static int groups_from_user(struct group_info *group_info,
}
/* a simple Shell sort */
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
@@ -128,6 +128,7 @@ static void groups_sort(struct group_info *group_info)
stride /= 3;
}
}
+EXPORT_SYMBOL(groups_sort);
/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
@@ -159,7 +160,6 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
void set_groups(struct cred *new, struct group_info *group_info)
{
put_group_info(new->group_info);
- groups_sort(group_info);
get_group_info(group_info);
new->group_info = group_info;
}
@@ -243,6 +243,7 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/kernel/module.c b/kernel/module.c
index b14a4f31221f..0a56098d3738 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2404,7 +2404,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
if (sym->st_shndx == SHN_UNDEF)
return 'U';
- if (sym->st_shndx == SHN_ABS)
+ if (sym->st_shndx == SHN_ABS || sym->st_shndx == info->index.pcpu)
return 'a';
if (sym->st_shndx >= SHN_LORESERVE)
return '?';
@@ -2433,7 +2433,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
- unsigned int shnum)
+ unsigned int shnum, unsigned int pcpundx)
{
const Elf_Shdr *sec;
@@ -2442,6 +2442,11 @@ static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
|| !src->st_name)
return false;
+#ifdef CONFIG_KALLSYMS_ALL
+ if (src->st_shndx == pcpundx)
+ return true;
+#endif
+
sec = sechdrs + src->st_shndx;
if (!(sec->sh_flags & SHF_ALLOC)
#ifndef CONFIG_KALLSYMS_ALL
@@ -2479,7 +2484,8 @@ static void layout_symtab(struct module *mod, struct load_info *info)
/* Compute total space required for the core symbols' strtab. */
for (ndst = i = 0; i < nsrc; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
strtab_size += strlen(&info->strtab[src[i].st_name])+1;
ndst++;
}
@@ -2537,7 +2543,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
src = mod->kallsyms->symtab;
for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
dst[ndst] = src[i];
dst[ndst++].st_name = s - mod->core_kallsyms.strtab;
s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name],
@@ -2881,8 +2888,12 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
return -ENOEXEC;
}
- if (!get_modinfo(info, "intree"))
+ if (!get_modinfo(info, "intree")) {
+ if (!test_taint(TAINT_OOT_MODULE))
+ pr_warn("%s: loading out-of-tree module taints kernel.\n",
+ mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
+ }
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
@@ -3047,6 +3058,8 @@ static int move_module(struct module *mod, struct load_info *info)
static int check_module_license_and_versions(struct module *mod)
{
+ int prev_taint = test_taint(TAINT_PROPRIETARY_MODULE);
+
/*
* ndiswrapper is under GPL by itself, but loads proprietary modules.
* Don't use add_taint_module(), as it would prevent ndiswrapper from
@@ -3065,6 +3078,9 @@ static int check_module_license_and_versions(struct module *mod)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
LOCKDEP_NOW_UNRELIABLE);
+ if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
+ pr_warn("%s: module license taints kernel.\n", mod->name);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/signal.c b/kernel/signal.c
index 5d50ea899b6d..4a548c6a4118 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -72,7 +72,7 @@ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
handler = sig_handler(t, sig);
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
- handler == SIG_DFL && !force)
+ handler == SIG_DFL && !(force && sig_kernel_only(sig)))
return 1;
return sig_handler_ignored(handler, sig);
@@ -88,13 +88,15 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
- if (!sig_task_ignored(t, sig, force))
- return 0;
-
/*
- * Tracers may want to know about even ignored signals.
+ * Tracers may want to know about even ignored signal unless it
+ * is SIGKILL which can't be reported anyway but can be ignored
+ * by SIGNAL_UNKILLABLE task.
*/
- return !t->ptrace;
+ if (t->ptrace && sig != SIGKILL)
+ return 0;
+
+ return sig_task_ignored(t, sig, force);
}
/*
@@ -917,9 +919,9 @@ static void complete_signal(int sig, struct task_struct *p, int group)
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
- !(signal->flags & (SIGNAL_UNKILLABLE | SIGNAL_GROUP_EXIT)) &&
+ !(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
- (sig == SIGKILL || !t->ptrace)) {
+ (sig == SIGKILL || !p->ptrace)) {
/*
* This signal will be fatal to the whole group.
*/
diff --git a/kernel/uid16.c b/kernel/uid16.c
index d58cc4d8f0d1..651aaa5221ec 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -190,6 +190,7 @@ SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 324b7e90b4c5..5712cdaae964 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1351,7 +1351,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ seq_puts(m, vmstat_text[off]);
+ seq_put_decimal_ull(m, ' ', *l);
+ seq_putc(m, '\n');
return 0;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 2410d557ae39..89731c9023f0 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -231,6 +231,7 @@ static int gssx_dec_linux_creds(struct xdr_stream *xdr,
goto out_free_groups;
GROUP_AT(creds->cr_group_info, i) = kgid;
}
+ groups_sort(creds->cr_group_info);
return 0;
out_free_groups:
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 033fec307528..036bbf2b44c1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -481,6 +481,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
+ groups_sort(rsci.cred.cr_group_info);
/* mech name */
len = qword_get(&mesg, buf, mlen);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 621ca7b4a155..98db1715cb17 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -520,6 +520,7 @@ static int unix_gid_parse(struct cache_detail *cd,
GROUP_AT(ug.gi, i) = kgid;
}
+ groups_sort(ug.gi);
ugp = unix_gid_lookup(cd, uid);
if (ugp) {
struct cache_head *ch;
@@ -827,6 +828,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
GROUP_AT(cred->cr_group_info, i) = kgid;
}
+ groups_sort(cred->cr_group_info);
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 88632df4381b..dafaf96e0a34 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
- int c;
+ int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
- if (c == ' ') {
+ if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
+ } else if (c == '"') {
+ in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;

54
patch/kernel/odroidc2-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

54
patch/kernel/odroidxu4-dev/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

54
patch/kernel/odroidxu4-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

772
patch/kernel/rockchip-default/04-patch-4.4.110-111.patch Normal file
View File

@ -0,0 +1,772 @@
diff --git a/Makefile b/Makefile
index b028c106535b..4779517d9bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 110
+SUBLEVEL = 111
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d4d8df706efa..57387b567f34 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -673,6 +673,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -689,8 +690,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8121aa6db2ff..51bb6b8eade6 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -11,6 +11,7 @@
for the semaphore. */
#define __PA_LDCW_ALIGNMENT 16
+#define __PA_LDCW_ALIGN_ORDER 4
#define __ldcw_align(a) ({ \
unsigned long __ret = (unsigned long) &(a)->lock[0]; \
__ret = (__ret + __PA_LDCW_ALIGNMENT - 1) \
@@ -28,6 +29,7 @@
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGN_ORDER 2
#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 623496c11756..5dc831955de5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,6 +35,7 @@
#include <asm/pgtable.h>
#include <asm/signal.h>
#include <asm/unistd.h>
+#include <asm/ldcw.h>
#include <asm/thread_info.h>
#include <linux/linkage.h>
@@ -46,6 +47,14 @@
#endif
.import pa_tlb_lock,data
+ .macro load_pa_tlb_lock reg
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 PA(pa_tlb_lock) + __PA_LDCW_ALIGNMENT-1, \reg
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \reg
+#else
+ load32 PA(pa_tlb_lock), \reg
+#endif
+ .endm
/* space_to_prot macro creates a prot id from a space id */
@@ -457,7 +466,7 @@
.macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
#ifdef CONFIG_SMP
cmpib,COND(=),n 0,\spc,2f
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -480,7 +489,7 @@
/* Release pa_tlb_lock lock. */
.macro tlb_unlock1 spc,tmp
#ifdef CONFIG_SMP
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
tlb_unlock0 \spc,\tmp
#endif
.endm
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a4761b772406..16073f472118 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -36,6 +36,7 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <asm/ldcw.h>
#include <linux/linkage.h>
.text
@@ -333,8 +334,12 @@ ENDPROC(flush_data_cache_local)
.macro tlb_lock la,flags,tmp
#ifdef CONFIG_SMP
- ldil L%pa_tlb_lock,%r1
- ldo R%pa_tlb_lock(%r1),\la
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 pa_tlb_lock + __PA_LDCW_ALIGNMENT-1, \la
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \la
+#else
+ load32 pa_tlb_lock, \la
+#endif
rsm PSW_SM_I,\flags
1: LDCW 0(\la),\tmp
cmpib,<>,n 0,\tmp,3f
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 437e61159279..0176ebc97bfd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -263,6 +263,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index aa828191c654..b8f69e264ac4 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -12,6 +12,7 @@
#include <linux/random.h>
#include <linux/elf.h>
#include <linux/cpu.h>
+#include <asm/pvclock.h>
#include <asm/vgtod.h>
#include <asm/proto.h>
#include <asm/vdso.h>
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 174c2549939d..112178b401a1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -66,6 +66,11 @@ static int __init vsyscall_setup(char *str)
}
early_param("vsyscall", vsyscall_setup);
+bool vsyscall_enabled(void)
+{
+ return vsyscall_mode != NONE;
+}
+
static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
const char *message)
{
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..4865e10dbb55 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -12,12 +12,14 @@ extern void map_vsyscall(void);
* Returns true if handled.
*/
extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+extern bool vsyscall_enabled(void);
#else
static inline void map_vsyscall(void) {}
static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
{
return false;
}
+static inline bool vsyscall_enabled(void) { return false; }
#endif
#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 2233f8a76615..2a0f44d225fe 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -580,6 +580,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
+#define F17H_MPB_MAX_SIZE 3200
switch (family) {
case 0x14:
@@ -591,6 +592,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
case 0x16:
max_size = F16H_MPB_MAX_SIZE;
break;
+ case 0x17:
+ max_size = F17H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2bd45ae91eb3..151fd33e9043 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -757,7 +757,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.state = 0,
.cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */
};
-EXPORT_SYMBOL_GPL(cpu_tlbstate);
+EXPORT_PER_CPU_SYMBOL(cpu_tlbstate);
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
{
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b0b3a69f1c7f..6a7a77929a8c 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/desc.h>
#include <asm/cmdline.h>
+#include <asm/vsyscall.h>
int kaiser_enabled __read_mostly = 1;
EXPORT_SYMBOL(kaiser_enabled); /* for inlined TLB flush functions */
@@ -111,12 +112,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr)
*
* Returns a pointer to a PTE on success, or NULL on failure.
*/
-static pte_t *kaiser_pagetable_walk(unsigned long address)
+static pte_t *kaiser_pagetable_walk(unsigned long address, bool user)
{
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address));
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
+ unsigned long prot = _KERNPG_TABLE;
if (pgd_none(*pgd)) {
WARN_ONCE(1, "All shadow pgds should have been populated");
@@ -124,6 +126,17 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
}
BUILD_BUG_ON(pgd_large(*pgd) != 0);
+ if (user) {
+ /*
+ * The vsyscall page is the only page that will have
+ * _PAGE_USER set. Catch everything else.
+ */
+ BUG_ON(address != VSYSCALL_ADDR);
+
+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
+ prot = _PAGE_TABLE;
+ }
+
pud = pud_offset(pgd, address);
/* The shadow page tables do not use large mappings: */
if (pud_large(*pud)) {
@@ -136,7 +149,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pud_none(*pud)) {
- set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
+ set_pud(pud, __pud(prot | __pa(new_pmd_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pmd_page), NR_KAISERTABLE);
} else
@@ -156,7 +169,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pmd_none(*pmd)) {
- set_pmd(pmd, __pmd(_KERNPG_TABLE | __pa(new_pte_page)));
+ set_pmd(pmd, __pmd(prot | __pa(new_pte_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pte_page), NR_KAISERTABLE);
} else
@@ -192,7 +205,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size,
ret = -EIO;
break;
}
- pte = kaiser_pagetable_walk(address);
+ pte = kaiser_pagetable_walk(address, flags & _PAGE_USER);
if (!pte) {
ret = -ENOMEM;
break;
@@ -319,6 +332,19 @@ void __init kaiser_init(void)
kaiser_init_all_pgds();
+ /*
+ * Note that this sets _PAGE_USER and it needs to happen when the
+ * pagetable hierarchy gets created, i.e., early. Otherwise
+ * kaiser_pagetable_walk() will encounter initialized PTEs in the
+ * hierarchy and not set the proper permissions, leading to the
+ * pagefaults with page-protection violations when trying to read the
+ * vsyscall page. For example.
+ */
+ if (vsyscall_enabled())
+ kaiser_add_user_map_early((void *)VSYSCALL_ADDR,
+ PAGE_SIZE,
+ __PAGE_KERNEL_VSYSCALL);
+
for_each_possible_cpu(cpu) {
void *percpu_vaddr = __per_cpu_user_mapped_start +
per_cpu_offset(cpu);
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 81ec7c02f968..fdfa25c83119 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -126,10 +126,16 @@ void __init kasan_init(void)
/*
* kasan_zero_page has been used as early shadow memory, thus it may
- * contain some garbage. Now we can clear it, since after the TLB flush
- * no one should write to it.
+ * contain some garbage. Now we can clear and write protect it, since
+ * after the TLB flush no one should write to it.
*/
memset(kasan_zero_page, 0, PAGE_SIZE);
+ for (i = 0; i < PTRS_PER_PTE; i++) {
+ pte_t pte = __pte(__pa(kasan_zero_page) | __PAGE_KERNEL_RO);
+ set_pte(&kasan_zero_pte[i], pte);
+ }
+ /* Flush TLBs again to be sure that write protection applied. */
+ __flush_tlb_all();
init_task.kasan_depth = 0;
pr_info("KernelAddressSanitizer initialized\n");
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c
index 99c3cce01290..0214600ba071 100644
--- a/crypto/chacha20poly1305.c
+++ b/crypto/chacha20poly1305.c
@@ -600,6 +600,11 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(poly))
return PTR_ERR(poly);
+ poly_hash = __crypto_hash_alg_common(poly);
+
+ err = -EINVAL;
+ if (poly_hash->digestsize != POLY1305_DIGEST_SIZE)
+ goto out_put_poly;
err = -ENOMEM;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
@@ -608,7 +613,6 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
ctx = aead_instance_ctx(inst);
ctx->saltlen = CHACHAPOLY_IV_SIZE - ivsize;
- poly_hash = __crypto_hash_alg_common(poly);
err = crypto_init_ahash_spawn(&ctx->poly, poly_hash,
aead_crypto_instance(inst));
if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index ee9cfb99fe25..f8ec3d4ba4a8 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -254,6 +254,14 @@ static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
crypto_free_aead(ctx->child);
}
+static void pcrypt_free(struct aead_instance *inst)
+{
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
+
+ crypto_drop_aead(&ctx->spawn);
+ kfree(inst);
+}
+
static int pcrypt_init_instance(struct crypto_instance *inst,
struct crypto_alg *alg)
{
@@ -319,6 +327,8 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.encrypt = pcrypt_aead_encrypt;
inst->alg.decrypt = pcrypt_aead_decrypt;
+ inst->free = pcrypt_free;
+
err = aead_register_instance(tmpl, inst);
if (err)
goto out_drop_aead;
@@ -349,14 +359,6 @@ static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
return -EINVAL;
}
-static void pcrypt_free(struct crypto_instance *inst)
-{
- struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
-
- crypto_drop_aead(&ctx->spawn);
- kfree(inst);
-}
-
static int pcrypt_cpumask_change_notify(struct notifier_block *self,
unsigned long val, void *data)
{
@@ -469,7 +471,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
static struct crypto_template pcrypt_tmpl = {
.name = "pcrypt",
.create = pcrypt_create,
- .free = pcrypt_free,
.module = THIS_MODULE,
};
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 25996e256110..0ffb247b42d6 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -178,6 +178,7 @@ static struct bus_type sunxi_rsb_bus = {
.match = sunxi_rsb_device_match,
.probe = sunxi_rsb_device_probe,
.remove = sunxi_rsb_device_remove,
+ .uevent = of_device_uevent_modalias,
};
static void sunxi_rsb_dev_release(struct device *dev)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..5a9083021fa0 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1641,6 +1641,7 @@ static int queue_cache_init(void)
CWQ_ENTRY_SIZE, 0, NULL);
if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
return -ENOMEM;
}
return 0;
@@ -1650,6 +1651,8 @@ static void queue_cache_destroy(void)
{
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
+ queue_cache[HV_NCS_QTYPE_CWQ - 1] = NULL;
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6f4dc0fd2ca3..51b96e9bf793 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 9d46a0bdd9f9..a260060042ad 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -59,6 +59,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
GROUP_AT(gi, i) = exp->ex_anon_gid;
else
GROUP_AT(gi, i) = GROUP_AT(rqgi, i);
+
+ /* Each thread allocates its own gi, no race */
+ groups_sort(gi);
}
} else {
gi = get_group_info(rqgi);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 257db64562e5..9e120c92551b 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -87,6 +87,7 @@ extern int set_current_groups(struct group_info *);
extern void set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, kgid_t);
extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 115bb81912cc..94a8aae8f9e2 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -764,7 +764,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
{
if (fscache_cookie_valid(cookie) && PageFsCache(page))
return __fscache_maybe_release_page(cookie, page, gfp);
- return false;
+ return true;
}
/**
diff --git a/kernel/acct.c b/kernel/acct.c
index 74963d192c5d..37f1dc696fbd 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -99,7 +99,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
{
struct kstatfs sbuf;
- if (time_is_before_jiffies(acct->needcheck))
+ if (time_is_after_jiffies(acct->needcheck))
goto out;
/* May block */
diff --git a/kernel/groups.c b/kernel/groups.c
index 74d431d25251..5ea9847f172f 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -101,7 +101,7 @@ static int groups_from_user(struct group_info *group_info,
}
/* a simple Shell sort */
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
@@ -128,6 +128,7 @@ static void groups_sort(struct group_info *group_info)
stride /= 3;
}
}
+EXPORT_SYMBOL(groups_sort);
/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
@@ -159,7 +160,6 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
void set_groups(struct cred *new, struct group_info *group_info)
{
put_group_info(new->group_info);
- groups_sort(group_info);
get_group_info(group_info);
new->group_info = group_info;
}
@@ -243,6 +243,7 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/kernel/module.c b/kernel/module.c
index b14a4f31221f..0a56098d3738 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2404,7 +2404,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
if (sym->st_shndx == SHN_UNDEF)
return 'U';
- if (sym->st_shndx == SHN_ABS)
+ if (sym->st_shndx == SHN_ABS || sym->st_shndx == info->index.pcpu)
return 'a';
if (sym->st_shndx >= SHN_LORESERVE)
return '?';
@@ -2433,7 +2433,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
- unsigned int shnum)
+ unsigned int shnum, unsigned int pcpundx)
{
const Elf_Shdr *sec;
@@ -2442,6 +2442,11 @@ static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
|| !src->st_name)
return false;
+#ifdef CONFIG_KALLSYMS_ALL
+ if (src->st_shndx == pcpundx)
+ return true;
+#endif
+
sec = sechdrs + src->st_shndx;
if (!(sec->sh_flags & SHF_ALLOC)
#ifndef CONFIG_KALLSYMS_ALL
@@ -2479,7 +2484,8 @@ static void layout_symtab(struct module *mod, struct load_info *info)
/* Compute total space required for the core symbols' strtab. */
for (ndst = i = 0; i < nsrc; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
strtab_size += strlen(&info->strtab[src[i].st_name])+1;
ndst++;
}
@@ -2537,7 +2543,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
src = mod->kallsyms->symtab;
for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
dst[ndst] = src[i];
dst[ndst++].st_name = s - mod->core_kallsyms.strtab;
s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name],
@@ -2881,8 +2888,12 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
return -ENOEXEC;
}
- if (!get_modinfo(info, "intree"))
+ if (!get_modinfo(info, "intree")) {
+ if (!test_taint(TAINT_OOT_MODULE))
+ pr_warn("%s: loading out-of-tree module taints kernel.\n",
+ mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
+ }
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
@@ -3047,6 +3058,8 @@ static int move_module(struct module *mod, struct load_info *info)
static int check_module_license_and_versions(struct module *mod)
{
+ int prev_taint = test_taint(TAINT_PROPRIETARY_MODULE);
+
/*
* ndiswrapper is under GPL by itself, but loads proprietary modules.
* Don't use add_taint_module(), as it would prevent ndiswrapper from
@@ -3065,6 +3078,9 @@ static int check_module_license_and_versions(struct module *mod)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
LOCKDEP_NOW_UNRELIABLE);
+ if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
+ pr_warn("%s: module license taints kernel.\n", mod->name);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/signal.c b/kernel/signal.c
index 5d50ea899b6d..4a548c6a4118 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -72,7 +72,7 @@ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
handler = sig_handler(t, sig);
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
- handler == SIG_DFL && !force)
+ handler == SIG_DFL && !(force && sig_kernel_only(sig)))
return 1;
return sig_handler_ignored(handler, sig);
@@ -88,13 +88,15 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
- if (!sig_task_ignored(t, sig, force))
- return 0;
-
/*
- * Tracers may want to know about even ignored signals.
+ * Tracers may want to know about even ignored signal unless it
+ * is SIGKILL which can't be reported anyway but can be ignored
+ * by SIGNAL_UNKILLABLE task.
*/
- return !t->ptrace;
+ if (t->ptrace && sig != SIGKILL)
+ return 0;
+
+ return sig_task_ignored(t, sig, force);
}
/*
@@ -917,9 +919,9 @@ static void complete_signal(int sig, struct task_struct *p, int group)
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
- !(signal->flags & (SIGNAL_UNKILLABLE | SIGNAL_GROUP_EXIT)) &&
+ !(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
- (sig == SIGKILL || !t->ptrace)) {
+ (sig == SIGKILL || !p->ptrace)) {
/*
* This signal will be fatal to the whole group.
*/
diff --git a/kernel/uid16.c b/kernel/uid16.c
index d58cc4d8f0d1..651aaa5221ec 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -190,6 +190,7 @@ SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 324b7e90b4c5..5712cdaae964 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1351,7 +1351,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ seq_puts(m, vmstat_text[off]);
+ seq_put_decimal_ull(m, ' ', *l);
+ seq_putc(m, '\n');
return 0;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 2410d557ae39..89731c9023f0 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -231,6 +231,7 @@ static int gssx_dec_linux_creds(struct xdr_stream *xdr,
goto out_free_groups;
GROUP_AT(creds->cr_group_info, i) = kgid;
}
+ groups_sort(creds->cr_group_info);
return 0;
out_free_groups:
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 033fec307528..036bbf2b44c1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -481,6 +481,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
+ groups_sort(rsci.cred.cr_group_info);
/* mech name */
len = qword_get(&mesg, buf, mlen);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 621ca7b4a155..98db1715cb17 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -520,6 +520,7 @@ static int unix_gid_parse(struct cache_detail *cd,
GROUP_AT(ug.gi, i) = kgid;
}
+ groups_sort(ug.gi);
ugp = unix_gid_lookup(cd, uid);
if (ugp) {
struct cache_head *ch;
@@ -827,6 +828,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
GROUP_AT(cred->cr_group_info, i) = kgid;
}
+ groups_sort(cred->cr_group_info);
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 88632df4381b..dafaf96e0a34 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
- int c;
+ int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
- if (c == ' ') {
+ if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
+ } else if (c == '"') {
+ in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;

772
patch/kernel/s5p6818-default/04-patch-4.4.110-111.patch Normal file
View File

@ -0,0 +1,772 @@
diff --git a/Makefile b/Makefile
index b028c106535b..4779517d9bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 110
+SUBLEVEL = 111
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d4d8df706efa..57387b567f34 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -673,6 +673,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -689,8 +690,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8121aa6db2ff..51bb6b8eade6 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -11,6 +11,7 @@
for the semaphore. */
#define __PA_LDCW_ALIGNMENT 16
+#define __PA_LDCW_ALIGN_ORDER 4
#define __ldcw_align(a) ({ \
unsigned long __ret = (unsigned long) &(a)->lock[0]; \
__ret = (__ret + __PA_LDCW_ALIGNMENT - 1) \
@@ -28,6 +29,7 @@
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGN_ORDER 2
#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 623496c11756..5dc831955de5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,6 +35,7 @@
#include <asm/pgtable.h>
#include <asm/signal.h>
#include <asm/unistd.h>
+#include <asm/ldcw.h>
#include <asm/thread_info.h>
#include <linux/linkage.h>
@@ -46,6 +47,14 @@
#endif
.import pa_tlb_lock,data
+ .macro load_pa_tlb_lock reg
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 PA(pa_tlb_lock) + __PA_LDCW_ALIGNMENT-1, \reg
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \reg
+#else
+ load32 PA(pa_tlb_lock), \reg
+#endif
+ .endm
/* space_to_prot macro creates a prot id from a space id */
@@ -457,7 +466,7 @@
.macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
#ifdef CONFIG_SMP
cmpib,COND(=),n 0,\spc,2f
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -480,7 +489,7 @@
/* Release pa_tlb_lock lock. */
.macro tlb_unlock1 spc,tmp
#ifdef CONFIG_SMP
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
tlb_unlock0 \spc,\tmp
#endif
.endm
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a4761b772406..16073f472118 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -36,6 +36,7 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <asm/ldcw.h>
#include <linux/linkage.h>
.text
@@ -333,8 +334,12 @@ ENDPROC(flush_data_cache_local)
.macro tlb_lock la,flags,tmp
#ifdef CONFIG_SMP
- ldil L%pa_tlb_lock,%r1
- ldo R%pa_tlb_lock(%r1),\la
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 pa_tlb_lock + __PA_LDCW_ALIGNMENT-1, \la
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \la
+#else
+ load32 pa_tlb_lock, \la
+#endif
rsm PSW_SM_I,\flags
1: LDCW 0(\la),\tmp
cmpib,<>,n 0,\tmp,3f
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 437e61159279..0176ebc97bfd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -263,6 +263,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index aa828191c654..b8f69e264ac4 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -12,6 +12,7 @@
#include <linux/random.h>
#include <linux/elf.h>
#include <linux/cpu.h>
+#include <asm/pvclock.h>
#include <asm/vgtod.h>
#include <asm/proto.h>
#include <asm/vdso.h>
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 174c2549939d..112178b401a1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -66,6 +66,11 @@ static int __init vsyscall_setup(char *str)
}
early_param("vsyscall", vsyscall_setup);
+bool vsyscall_enabled(void)
+{
+ return vsyscall_mode != NONE;
+}
+
static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
const char *message)
{
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..4865e10dbb55 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -12,12 +12,14 @@ extern void map_vsyscall(void);
* Returns true if handled.
*/
extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+extern bool vsyscall_enabled(void);
#else
static inline void map_vsyscall(void) {}
static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
{
return false;
}
+static inline bool vsyscall_enabled(void) { return false; }
#endif
#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 2233f8a76615..2a0f44d225fe 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -580,6 +580,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
+#define F17H_MPB_MAX_SIZE 3200
switch (family) {
case 0x14:
@@ -591,6 +592,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
case 0x16:
max_size = F16H_MPB_MAX_SIZE;
break;
+ case 0x17:
+ max_size = F17H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2bd45ae91eb3..151fd33e9043 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -757,7 +757,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.state = 0,
.cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */
};
-EXPORT_SYMBOL_GPL(cpu_tlbstate);
+EXPORT_PER_CPU_SYMBOL(cpu_tlbstate);
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
{
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b0b3a69f1c7f..6a7a77929a8c 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/desc.h>
#include <asm/cmdline.h>
+#include <asm/vsyscall.h>
int kaiser_enabled __read_mostly = 1;
EXPORT_SYMBOL(kaiser_enabled); /* for inlined TLB flush functions */
@@ -111,12 +112,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr)
*
* Returns a pointer to a PTE on success, or NULL on failure.
*/
-static pte_t *kaiser_pagetable_walk(unsigned long address)
+static pte_t *kaiser_pagetable_walk(unsigned long address, bool user)
{
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address));
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
+ unsigned long prot = _KERNPG_TABLE;
if (pgd_none(*pgd)) {
WARN_ONCE(1, "All shadow pgds should have been populated");
@@ -124,6 +126,17 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
}
BUILD_BUG_ON(pgd_large(*pgd) != 0);
+ if (user) {
+ /*
+ * The vsyscall page is the only page that will have
+ * _PAGE_USER set. Catch everything else.
+ */
+ BUG_ON(address != VSYSCALL_ADDR);
+
+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
+ prot = _PAGE_TABLE;
+ }
+
pud = pud_offset(pgd, address);
/* The shadow page tables do not use large mappings: */
if (pud_large(*pud)) {
@@ -136,7 +149,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pud_none(*pud)) {
- set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
+ set_pud(pud, __pud(prot | __pa(new_pmd_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pmd_page), NR_KAISERTABLE);
} else
@@ -156,7 +169,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pmd_none(*pmd)) {
- set_pmd(pmd, __pmd(_KERNPG_TABLE | __pa(new_pte_page)));
+ set_pmd(pmd, __pmd(prot | __pa(new_pte_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pte_page), NR_KAISERTABLE);
} else
@@ -192,7 +205,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size,
ret = -EIO;
break;
}
- pte = kaiser_pagetable_walk(address);
+ pte = kaiser_pagetable_walk(address, flags & _PAGE_USER);
if (!pte) {
ret = -ENOMEM;
break;
@@ -319,6 +332,19 @@ void __init kaiser_init(void)
kaiser_init_all_pgds();
+ /*
+ * Note that this sets _PAGE_USER and it needs to happen when the
+ * pagetable hierarchy gets created, i.e., early. Otherwise
+ * kaiser_pagetable_walk() will encounter initialized PTEs in the
+ * hierarchy and not set the proper permissions, leading to the
+ * pagefaults with page-protection violations when trying to read the
+ * vsyscall page. For example.
+ */
+ if (vsyscall_enabled())
+ kaiser_add_user_map_early((void *)VSYSCALL_ADDR,
+ PAGE_SIZE,
+ __PAGE_KERNEL_VSYSCALL);
+
for_each_possible_cpu(cpu) {
void *percpu_vaddr = __per_cpu_user_mapped_start +
per_cpu_offset(cpu);
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 81ec7c02f968..fdfa25c83119 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -126,10 +126,16 @@ void __init kasan_init(void)
/*
* kasan_zero_page has been used as early shadow memory, thus it may
- * contain some garbage. Now we can clear it, since after the TLB flush
- * no one should write to it.
+ * contain some garbage. Now we can clear and write protect it, since
+ * after the TLB flush no one should write to it.
*/
memset(kasan_zero_page, 0, PAGE_SIZE);
+ for (i = 0; i < PTRS_PER_PTE; i++) {
+ pte_t pte = __pte(__pa(kasan_zero_page) | __PAGE_KERNEL_RO);
+ set_pte(&kasan_zero_pte[i], pte);
+ }
+ /* Flush TLBs again to be sure that write protection applied. */
+ __flush_tlb_all();
init_task.kasan_depth = 0;
pr_info("KernelAddressSanitizer initialized\n");
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c
index 99c3cce01290..0214600ba071 100644
--- a/crypto/chacha20poly1305.c
+++ b/crypto/chacha20poly1305.c
@@ -600,6 +600,11 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(poly))
return PTR_ERR(poly);
+ poly_hash = __crypto_hash_alg_common(poly);
+
+ err = -EINVAL;
+ if (poly_hash->digestsize != POLY1305_DIGEST_SIZE)
+ goto out_put_poly;
err = -ENOMEM;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
@@ -608,7 +613,6 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
ctx = aead_instance_ctx(inst);
ctx->saltlen = CHACHAPOLY_IV_SIZE - ivsize;
- poly_hash = __crypto_hash_alg_common(poly);
err = crypto_init_ahash_spawn(&ctx->poly, poly_hash,
aead_crypto_instance(inst));
if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index ee9cfb99fe25..f8ec3d4ba4a8 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -254,6 +254,14 @@ static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
crypto_free_aead(ctx->child);
}
+static void pcrypt_free(struct aead_instance *inst)
+{
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
+
+ crypto_drop_aead(&ctx->spawn);
+ kfree(inst);
+}
+
static int pcrypt_init_instance(struct crypto_instance *inst,
struct crypto_alg *alg)
{
@@ -319,6 +327,8 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.encrypt = pcrypt_aead_encrypt;
inst->alg.decrypt = pcrypt_aead_decrypt;
+ inst->free = pcrypt_free;
+
err = aead_register_instance(tmpl, inst);
if (err)
goto out_drop_aead;
@@ -349,14 +359,6 @@ static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
return -EINVAL;
}
-static void pcrypt_free(struct crypto_instance *inst)
-{
- struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
-
- crypto_drop_aead(&ctx->spawn);
- kfree(inst);
-}
-
static int pcrypt_cpumask_change_notify(struct notifier_block *self,
unsigned long val, void *data)
{
@@ -469,7 +471,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
static struct crypto_template pcrypt_tmpl = {
.name = "pcrypt",
.create = pcrypt_create,
- .free = pcrypt_free,
.module = THIS_MODULE,
};
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 25996e256110..0ffb247b42d6 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -178,6 +178,7 @@ static struct bus_type sunxi_rsb_bus = {
.match = sunxi_rsb_device_match,
.probe = sunxi_rsb_device_probe,
.remove = sunxi_rsb_device_remove,
+ .uevent = of_device_uevent_modalias,
};
static void sunxi_rsb_dev_release(struct device *dev)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..5a9083021fa0 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1641,6 +1641,7 @@ static int queue_cache_init(void)
CWQ_ENTRY_SIZE, 0, NULL);
if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
return -ENOMEM;
}
return 0;
@@ -1650,6 +1651,8 @@ static void queue_cache_destroy(void)
{
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
+ queue_cache[HV_NCS_QTYPE_CWQ - 1] = NULL;
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6f4dc0fd2ca3..51b96e9bf793 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 9d46a0bdd9f9..a260060042ad 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -59,6 +59,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
GROUP_AT(gi, i) = exp->ex_anon_gid;
else
GROUP_AT(gi, i) = GROUP_AT(rqgi, i);
+
+ /* Each thread allocates its own gi, no race */
+ groups_sort(gi);
}
} else {
gi = get_group_info(rqgi);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 257db64562e5..9e120c92551b 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -87,6 +87,7 @@ extern int set_current_groups(struct group_info *);
extern void set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, kgid_t);
extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 115bb81912cc..94a8aae8f9e2 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -764,7 +764,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
{
if (fscache_cookie_valid(cookie) && PageFsCache(page))
return __fscache_maybe_release_page(cookie, page, gfp);
- return false;
+ return true;
}
/**
diff --git a/kernel/acct.c b/kernel/acct.c
index 74963d192c5d..37f1dc696fbd 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -99,7 +99,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
{
struct kstatfs sbuf;
- if (time_is_before_jiffies(acct->needcheck))
+ if (time_is_after_jiffies(acct->needcheck))
goto out;
/* May block */
diff --git a/kernel/groups.c b/kernel/groups.c
index 74d431d25251..5ea9847f172f 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -101,7 +101,7 @@ static int groups_from_user(struct group_info *group_info,
}
/* a simple Shell sort */
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
@@ -128,6 +128,7 @@ static void groups_sort(struct group_info *group_info)
stride /= 3;
}
}
+EXPORT_SYMBOL(groups_sort);
/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
@@ -159,7 +160,6 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
void set_groups(struct cred *new, struct group_info *group_info)
{
put_group_info(new->group_info);
- groups_sort(group_info);
get_group_info(group_info);
new->group_info = group_info;
}
@@ -243,6 +243,7 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/kernel/module.c b/kernel/module.c
index b14a4f31221f..0a56098d3738 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2404,7 +2404,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
if (sym->st_shndx == SHN_UNDEF)
return 'U';
- if (sym->st_shndx == SHN_ABS)
+ if (sym->st_shndx == SHN_ABS || sym->st_shndx == info->index.pcpu)
return 'a';
if (sym->st_shndx >= SHN_LORESERVE)
return '?';
@@ -2433,7 +2433,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
- unsigned int shnum)
+ unsigned int shnum, unsigned int pcpundx)
{
const Elf_Shdr *sec;
@@ -2442,6 +2442,11 @@ static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
|| !src->st_name)
return false;
+#ifdef CONFIG_KALLSYMS_ALL
+ if (src->st_shndx == pcpundx)
+ return true;
+#endif
+
sec = sechdrs + src->st_shndx;
if (!(sec->sh_flags & SHF_ALLOC)
#ifndef CONFIG_KALLSYMS_ALL
@@ -2479,7 +2484,8 @@ static void layout_symtab(struct module *mod, struct load_info *info)
/* Compute total space required for the core symbols' strtab. */
for (ndst = i = 0; i < nsrc; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
strtab_size += strlen(&info->strtab[src[i].st_name])+1;
ndst++;
}
@@ -2537,7 +2543,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
src = mod->kallsyms->symtab;
for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
dst[ndst] = src[i];
dst[ndst++].st_name = s - mod->core_kallsyms.strtab;
s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name],
@@ -2881,8 +2888,12 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
return -ENOEXEC;
}
- if (!get_modinfo(info, "intree"))
+ if (!get_modinfo(info, "intree")) {
+ if (!test_taint(TAINT_OOT_MODULE))
+ pr_warn("%s: loading out-of-tree module taints kernel.\n",
+ mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
+ }
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
@@ -3047,6 +3058,8 @@ static int move_module(struct module *mod, struct load_info *info)
static int check_module_license_and_versions(struct module *mod)
{
+ int prev_taint = test_taint(TAINT_PROPRIETARY_MODULE);
+
/*
* ndiswrapper is under GPL by itself, but loads proprietary modules.
* Don't use add_taint_module(), as it would prevent ndiswrapper from
@@ -3065,6 +3078,9 @@ static int check_module_license_and_versions(struct module *mod)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
LOCKDEP_NOW_UNRELIABLE);
+ if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
+ pr_warn("%s: module license taints kernel.\n", mod->name);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/signal.c b/kernel/signal.c
index 5d50ea899b6d..4a548c6a4118 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -72,7 +72,7 @@ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
handler = sig_handler(t, sig);
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
- handler == SIG_DFL && !force)
+ handler == SIG_DFL && !(force && sig_kernel_only(sig)))
return 1;
return sig_handler_ignored(handler, sig);
@@ -88,13 +88,15 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
- if (!sig_task_ignored(t, sig, force))
- return 0;
-
/*
- * Tracers may want to know about even ignored signals.
+ * Tracers may want to know about even ignored signal unless it
+ * is SIGKILL which can't be reported anyway but can be ignored
+ * by SIGNAL_UNKILLABLE task.
*/
- return !t->ptrace;
+ if (t->ptrace && sig != SIGKILL)
+ return 0;
+
+ return sig_task_ignored(t, sig, force);
}
/*
@@ -917,9 +919,9 @@ static void complete_signal(int sig, struct task_struct *p, int group)
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
- !(signal->flags & (SIGNAL_UNKILLABLE | SIGNAL_GROUP_EXIT)) &&
+ !(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
- (sig == SIGKILL || !t->ptrace)) {
+ (sig == SIGKILL || !p->ptrace)) {
/*
* This signal will be fatal to the whole group.
*/
diff --git a/kernel/uid16.c b/kernel/uid16.c
index d58cc4d8f0d1..651aaa5221ec 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -190,6 +190,7 @@ SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 324b7e90b4c5..5712cdaae964 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1351,7 +1351,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ seq_puts(m, vmstat_text[off]);
+ seq_put_decimal_ull(m, ' ', *l);
+ seq_putc(m, '\n');
return 0;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 2410d557ae39..89731c9023f0 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -231,6 +231,7 @@ static int gssx_dec_linux_creds(struct xdr_stream *xdr,
goto out_free_groups;
GROUP_AT(creds->cr_group_info, i) = kgid;
}
+ groups_sort(creds->cr_group_info);
return 0;
out_free_groups:
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 033fec307528..036bbf2b44c1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -481,6 +481,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
+ groups_sort(rsci.cred.cr_group_info);
/* mech name */
len = qword_get(&mesg, buf, mlen);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 621ca7b4a155..98db1715cb17 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -520,6 +520,7 @@ static int unix_gid_parse(struct cache_detail *cd,
GROUP_AT(ug.gi, i) = kgid;
}
+ groups_sort(ug.gi);
ugp = unix_gid_lookup(cd, uid);
if (ugp) {
struct cache_head *ch;
@@ -827,6 +828,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
GROUP_AT(cred->cr_group_info, i) = kgid;
}
+ groups_sort(cred->cr_group_info);
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 88632df4381b..dafaf96e0a34 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
- int c;
+ int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
- if (c == ' ') {
+ if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
+ } else if (c == '"') {
+ in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;

54
patch/kernel/s5p6818-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

54
patch/kernel/sunxi-next/linux-999-revert-softirq-let-ksoftirqd-do-its-job.patch Normal file
View File

@ -0,0 +1,54 @@
From 3364d0056328b93fb10ab929ae99933af9e304ad Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Thu, 4 Jan 2018 19:56:05 +0000
Subject: [PATCH] Revert "softirq: Let ksoftirqd do its job"
See: https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965
---
kernel/softirq.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 4e09821..58bb6f6 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -77,17 +77,6 @@ static void wakeup_softirqd(void)
wake_up_process(tsk);
}
-/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness.
- */
-static bool ksoftirqd_running(void)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- return tsk && (tsk->state == TASK_RUNNING);
-}
-
/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
@@ -324,7 +313,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running())
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -351,9 +340,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running())
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
--
2.14.1

772
patch/kernel/udoo-next/04-patch-4.4.110-111.patch Normal file
View File

@ -0,0 +1,772 @@
diff --git a/Makefile b/Makefile
index b028c106535b..4779517d9bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 110
+SUBLEVEL = 111
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d4d8df706efa..57387b567f34 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -673,6 +673,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -689,8 +690,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 8121aa6db2ff..51bb6b8eade6 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -11,6 +11,7 @@
for the semaphore. */
#define __PA_LDCW_ALIGNMENT 16
+#define __PA_LDCW_ALIGN_ORDER 4
#define __ldcw_align(a) ({ \
unsigned long __ret = (unsigned long) &(a)->lock[0]; \
__ret = (__ret + __PA_LDCW_ALIGNMENT - 1) \
@@ -28,6 +29,7 @@
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGN_ORDER 2
#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 623496c11756..5dc831955de5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,6 +35,7 @@
#include <asm/pgtable.h>
#include <asm/signal.h>
#include <asm/unistd.h>
+#include <asm/ldcw.h>
#include <asm/thread_info.h>
#include <linux/linkage.h>
@@ -46,6 +47,14 @@
#endif
.import pa_tlb_lock,data
+ .macro load_pa_tlb_lock reg
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 PA(pa_tlb_lock) + __PA_LDCW_ALIGNMENT-1, \reg
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \reg
+#else
+ load32 PA(pa_tlb_lock), \reg
+#endif
+ .endm
/* space_to_prot macro creates a prot id from a space id */
@@ -457,7 +466,7 @@
.macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
#ifdef CONFIG_SMP
cmpib,COND(=),n 0,\spc,2f
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -480,7 +489,7 @@
/* Release pa_tlb_lock lock. */
.macro tlb_unlock1 spc,tmp
#ifdef CONFIG_SMP
- load32 PA(pa_tlb_lock),\tmp
+ load_pa_tlb_lock \tmp
tlb_unlock0 \spc,\tmp
#endif
.endm
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a4761b772406..16073f472118 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -36,6 +36,7 @@
#include <asm/assembly.h>
#include <asm/pgtable.h>
#include <asm/cache.h>
+#include <asm/ldcw.h>
#include <linux/linkage.h>
.text
@@ -333,8 +334,12 @@ ENDPROC(flush_data_cache_local)
.macro tlb_lock la,flags,tmp
#ifdef CONFIG_SMP
- ldil L%pa_tlb_lock,%r1
- ldo R%pa_tlb_lock(%r1),\la
+#if __PA_LDCW_ALIGNMENT > 4
+ load32 pa_tlb_lock + __PA_LDCW_ALIGNMENT-1, \la
+ depi 0,31,__PA_LDCW_ALIGN_ORDER, \la
+#else
+ load32 pa_tlb_lock, \la
+#endif
rsm PSW_SM_I,\flags
1: LDCW 0(\la),\tmp
cmpib,<>,n 0,\tmp,3f
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 437e61159279..0176ebc97bfd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -263,6 +263,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplis
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index aa828191c654..b8f69e264ac4 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -12,6 +12,7 @@
#include <linux/random.h>
#include <linux/elf.h>
#include <linux/cpu.h>
+#include <asm/pvclock.h>
#include <asm/vgtod.h>
#include <asm/proto.h>
#include <asm/vdso.h>
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 174c2549939d..112178b401a1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -66,6 +66,11 @@ static int __init vsyscall_setup(char *str)
}
early_param("vsyscall", vsyscall_setup);
+bool vsyscall_enabled(void)
+{
+ return vsyscall_mode != NONE;
+}
+
static void warn_bad_vsyscall(const char *level, struct pt_regs *regs,
const char *message)
{
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 6ba66ee79710..4865e10dbb55 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -12,12 +12,14 @@ extern void map_vsyscall(void);
* Returns true if handled.
*/
extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address);
+extern bool vsyscall_enabled(void);
#else
static inline void map_vsyscall(void) {}
static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
{
return false;
}
+static inline bool vsyscall_enabled(void) { return false; }
#endif
#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 2233f8a76615..2a0f44d225fe 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -580,6 +580,7 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
+#define F17H_MPB_MAX_SIZE 3200
switch (family) {
case 0x14:
@@ -591,6 +592,9 @@ static unsigned int verify_patch_size(u8 family, u32 patch_size,
case 0x16:
max_size = F16H_MPB_MAX_SIZE;
break;
+ case 0x17:
+ max_size = F17H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 2bd45ae91eb3..151fd33e9043 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -757,7 +757,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.state = 0,
.cr4 = ~0UL, /* fail hard if we screw up cr4 shadow initialization */
};
-EXPORT_SYMBOL_GPL(cpu_tlbstate);
+EXPORT_PER_CPU_SYMBOL(cpu_tlbstate);
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache)
{
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b0b3a69f1c7f..6a7a77929a8c 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/desc.h>
#include <asm/cmdline.h>
+#include <asm/vsyscall.h>
int kaiser_enabled __read_mostly = 1;
EXPORT_SYMBOL(kaiser_enabled); /* for inlined TLB flush functions */
@@ -111,12 +112,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr)
*
* Returns a pointer to a PTE on success, or NULL on failure.
*/
-static pte_t *kaiser_pagetable_walk(unsigned long address)
+static pte_t *kaiser_pagetable_walk(unsigned long address, bool user)
{
pmd_t *pmd;
pud_t *pud;
pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address));
gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO);
+ unsigned long prot = _KERNPG_TABLE;
if (pgd_none(*pgd)) {
WARN_ONCE(1, "All shadow pgds should have been populated");
@@ -124,6 +126,17 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
}
BUILD_BUG_ON(pgd_large(*pgd) != 0);
+ if (user) {
+ /*
+ * The vsyscall page is the only page that will have
+ * _PAGE_USER set. Catch everything else.
+ */
+ BUG_ON(address != VSYSCALL_ADDR);
+
+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
+ prot = _PAGE_TABLE;
+ }
+
pud = pud_offset(pgd, address);
/* The shadow page tables do not use large mappings: */
if (pud_large(*pud)) {
@@ -136,7 +149,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pud_none(*pud)) {
- set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page)));
+ set_pud(pud, __pud(prot | __pa(new_pmd_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pmd_page), NR_KAISERTABLE);
} else
@@ -156,7 +169,7 @@ static pte_t *kaiser_pagetable_walk(unsigned long address)
return NULL;
spin_lock(&shadow_table_allocation_lock);
if (pmd_none(*pmd)) {
- set_pmd(pmd, __pmd(_KERNPG_TABLE | __pa(new_pte_page)));
+ set_pmd(pmd, __pmd(prot | __pa(new_pte_page)));
__inc_zone_page_state(virt_to_page((void *)
new_pte_page), NR_KAISERTABLE);
} else
@@ -192,7 +205,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size,
ret = -EIO;
break;
}
- pte = kaiser_pagetable_walk(address);
+ pte = kaiser_pagetable_walk(address, flags & _PAGE_USER);
if (!pte) {
ret = -ENOMEM;
break;
@@ -319,6 +332,19 @@ void __init kaiser_init(void)
kaiser_init_all_pgds();
+ /*
+ * Note that this sets _PAGE_USER and it needs to happen when the
+ * pagetable hierarchy gets created, i.e., early. Otherwise
+ * kaiser_pagetable_walk() will encounter initialized PTEs in the
+ * hierarchy and not set the proper permissions, leading to the
+ * pagefaults with page-protection violations when trying to read the
+ * vsyscall page. For example.
+ */
+ if (vsyscall_enabled())
+ kaiser_add_user_map_early((void *)VSYSCALL_ADDR,
+ PAGE_SIZE,
+ __PAGE_KERNEL_VSYSCALL);
+
for_each_possible_cpu(cpu) {
void *percpu_vaddr = __per_cpu_user_mapped_start +
per_cpu_offset(cpu);
diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 81ec7c02f968..fdfa25c83119 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -126,10 +126,16 @@ void __init kasan_init(void)
/*
* kasan_zero_page has been used as early shadow memory, thus it may
- * contain some garbage. Now we can clear it, since after the TLB flush
- * no one should write to it.
+ * contain some garbage. Now we can clear and write protect it, since
+ * after the TLB flush no one should write to it.
*/
memset(kasan_zero_page, 0, PAGE_SIZE);
+ for (i = 0; i < PTRS_PER_PTE; i++) {
+ pte_t pte = __pte(__pa(kasan_zero_page) | __PAGE_KERNEL_RO);
+ set_pte(&kasan_zero_pte[i], pte);
+ }
+ /* Flush TLBs again to be sure that write protection applied. */
+ __flush_tlb_all();
init_task.kasan_depth = 0;
pr_info("KernelAddressSanitizer initialized\n");
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c
index 99c3cce01290..0214600ba071 100644
--- a/crypto/chacha20poly1305.c
+++ b/crypto/chacha20poly1305.c
@@ -600,6 +600,11 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(poly))
return PTR_ERR(poly);
+ poly_hash = __crypto_hash_alg_common(poly);
+
+ err = -EINVAL;
+ if (poly_hash->digestsize != POLY1305_DIGEST_SIZE)
+ goto out_put_poly;
err = -ENOMEM;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
@@ -608,7 +613,6 @@ static int chachapoly_create(struct crypto_template *tmpl, struct rtattr **tb,
ctx = aead_instance_ctx(inst);
ctx->saltlen = CHACHAPOLY_IV_SIZE - ivsize;
- poly_hash = __crypto_hash_alg_common(poly);
err = crypto_init_ahash_spawn(&ctx->poly, poly_hash,
aead_crypto_instance(inst));
if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index ee9cfb99fe25..f8ec3d4ba4a8 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -254,6 +254,14 @@ static void pcrypt_aead_exit_tfm(struct crypto_aead *tfm)
crypto_free_aead(ctx->child);
}
+static void pcrypt_free(struct aead_instance *inst)
+{
+ struct pcrypt_instance_ctx *ctx = aead_instance_ctx(inst);
+
+ crypto_drop_aead(&ctx->spawn);
+ kfree(inst);
+}
+
static int pcrypt_init_instance(struct crypto_instance *inst,
struct crypto_alg *alg)
{
@@ -319,6 +327,8 @@ static int pcrypt_create_aead(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.encrypt = pcrypt_aead_encrypt;
inst->alg.decrypt = pcrypt_aead_decrypt;
+ inst->free = pcrypt_free;
+
err = aead_register_instance(tmpl, inst);
if (err)
goto out_drop_aead;
@@ -349,14 +359,6 @@ static int pcrypt_create(struct crypto_template *tmpl, struct rtattr **tb)
return -EINVAL;
}
-static void pcrypt_free(struct crypto_instance *inst)
-{
- struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
-
- crypto_drop_aead(&ctx->spawn);
- kfree(inst);
-}
-
static int pcrypt_cpumask_change_notify(struct notifier_block *self,
unsigned long val, void *data)
{
@@ -469,7 +471,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
static struct crypto_template pcrypt_tmpl = {
.name = "pcrypt",
.create = pcrypt_create,
- .free = pcrypt_free,
.module = THIS_MODULE,
};
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 25996e256110..0ffb247b42d6 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -178,6 +178,7 @@ static struct bus_type sunxi_rsb_bus = {
.match = sunxi_rsb_device_match,
.probe = sunxi_rsb_device_probe,
.remove = sunxi_rsb_device_remove,
+ .uevent = of_device_uevent_modalias,
};
static void sunxi_rsb_dev_release(struct device *dev)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..5a9083021fa0 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1641,6 +1641,7 @@ static int queue_cache_init(void)
CWQ_ENTRY_SIZE, 0, NULL);
if (!queue_cache[HV_NCS_QTYPE_CWQ - 1]) {
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
return -ENOMEM;
}
return 0;
@@ -1650,6 +1651,8 @@ static void queue_cache_destroy(void)
{
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_MAU - 1]);
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
+ queue_cache[HV_NCS_QTYPE_MAU - 1] = NULL;
+ queue_cache[HV_NCS_QTYPE_CWQ - 1] = NULL;
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 6f4dc0fd2ca3..51b96e9bf793 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1613,7 +1613,7 @@ static int elantech_set_properties(struct elantech_data *etd)
case 5:
etd->hw_version = 3;
break;
- case 6 ... 14:
+ case 6 ... 15:
etd->hw_version = 4;
break;
default:
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 9d46a0bdd9f9..a260060042ad 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -59,6 +59,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
GROUP_AT(gi, i) = exp->ex_anon_gid;
else
GROUP_AT(gi, i) = GROUP_AT(rqgi, i);
+
+ /* Each thread allocates its own gi, no race */
+ groups_sort(gi);
}
} else {
gi = get_group_info(rqgi);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 257db64562e5..9e120c92551b 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -87,6 +87,7 @@ extern int set_current_groups(struct group_info *);
extern void set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, kgid_t);
extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 115bb81912cc..94a8aae8f9e2 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -764,7 +764,7 @@ bool fscache_maybe_release_page(struct fscache_cookie *cookie,
{
if (fscache_cookie_valid(cookie) && PageFsCache(page))
return __fscache_maybe_release_page(cookie, page, gfp);
- return false;
+ return true;
}
/**
diff --git a/kernel/acct.c b/kernel/acct.c
index 74963d192c5d..37f1dc696fbd 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -99,7 +99,7 @@ static int check_free_space(struct bsd_acct_struct *acct)
{
struct kstatfs sbuf;
- if (time_is_before_jiffies(acct->needcheck))
+ if (time_is_after_jiffies(acct->needcheck))
goto out;
/* May block */
diff --git a/kernel/groups.c b/kernel/groups.c
index 74d431d25251..5ea9847f172f 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -101,7 +101,7 @@ static int groups_from_user(struct group_info *group_info,
}
/* a simple Shell sort */
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
@@ -128,6 +128,7 @@ static void groups_sort(struct group_info *group_info)
stride /= 3;
}
}
+EXPORT_SYMBOL(groups_sort);
/* a simple bsearch */
int groups_search(const struct group_info *group_info, kgid_t grp)
@@ -159,7 +160,6 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
void set_groups(struct cred *new, struct group_info *group_info)
{
put_group_info(new->group_info);
- groups_sort(group_info);
get_group_info(group_info);
new->group_info = group_info;
}
@@ -243,6 +243,7 @@ SYSCALL_DEFINE2(setgroups, int, gidsetsize, gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/kernel/module.c b/kernel/module.c
index b14a4f31221f..0a56098d3738 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2404,7 +2404,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
if (sym->st_shndx == SHN_UNDEF)
return 'U';
- if (sym->st_shndx == SHN_ABS)
+ if (sym->st_shndx == SHN_ABS || sym->st_shndx == info->index.pcpu)
return 'a';
if (sym->st_shndx >= SHN_LORESERVE)
return '?';
@@ -2433,7 +2433,7 @@ static char elf_type(const Elf_Sym *sym, const struct load_info *info)
}
static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
- unsigned int shnum)
+ unsigned int shnum, unsigned int pcpundx)
{
const Elf_Shdr *sec;
@@ -2442,6 +2442,11 @@ static bool is_core_symbol(const Elf_Sym *src, const Elf_Shdr *sechdrs,
|| !src->st_name)
return false;
+#ifdef CONFIG_KALLSYMS_ALL
+ if (src->st_shndx == pcpundx)
+ return true;
+#endif
+
sec = sechdrs + src->st_shndx;
if (!(sec->sh_flags & SHF_ALLOC)
#ifndef CONFIG_KALLSYMS_ALL
@@ -2479,7 +2484,8 @@ static void layout_symtab(struct module *mod, struct load_info *info)
/* Compute total space required for the core symbols' strtab. */
for (ndst = i = 0; i < nsrc; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
strtab_size += strlen(&info->strtab[src[i].st_name])+1;
ndst++;
}
@@ -2537,7 +2543,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
src = mod->kallsyms->symtab;
for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
if (i == 0 ||
- is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+ is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum,
+ info->index.pcpu)) {
dst[ndst] = src[i];
dst[ndst++].st_name = s - mod->core_kallsyms.strtab;
s += strlcpy(s, &mod->kallsyms->strtab[src[i].st_name],
@@ -2881,8 +2888,12 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags)
return -ENOEXEC;
}
- if (!get_modinfo(info, "intree"))
+ if (!get_modinfo(info, "intree")) {
+ if (!test_taint(TAINT_OOT_MODULE))
+ pr_warn("%s: loading out-of-tree module taints kernel.\n",
+ mod->name);
add_taint_module(mod, TAINT_OOT_MODULE, LOCKDEP_STILL_OK);
+ }
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP, LOCKDEP_STILL_OK);
@@ -3047,6 +3058,8 @@ static int move_module(struct module *mod, struct load_info *info)
static int check_module_license_and_versions(struct module *mod)
{
+ int prev_taint = test_taint(TAINT_PROPRIETARY_MODULE);
+
/*
* ndiswrapper is under GPL by itself, but loads proprietary modules.
* Don't use add_taint_module(), as it would prevent ndiswrapper from
@@ -3065,6 +3078,9 @@ static int check_module_license_and_versions(struct module *mod)
add_taint_module(mod, TAINT_PROPRIETARY_MODULE,
LOCKDEP_NOW_UNRELIABLE);
+ if (!prev_taint && test_taint(TAINT_PROPRIETARY_MODULE))
+ pr_warn("%s: module license taints kernel.\n", mod->name);
+
#ifdef CONFIG_MODVERSIONS
if ((mod->num_syms && !mod->crcs)
|| (mod->num_gpl_syms && !mod->gpl_crcs)
diff --git a/kernel/signal.c b/kernel/signal.c
index 5d50ea899b6d..4a548c6a4118 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -72,7 +72,7 @@ static int sig_task_ignored(struct task_struct *t, int sig, bool force)
handler = sig_handler(t, sig);
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
- handler == SIG_DFL && !force)
+ handler == SIG_DFL && !(force && sig_kernel_only(sig)))
return 1;
return sig_handler_ignored(handler, sig);
@@ -88,13 +88,15 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
- if (!sig_task_ignored(t, sig, force))
- return 0;
-
/*
- * Tracers may want to know about even ignored signals.
+ * Tracers may want to know about even ignored signal unless it
+ * is SIGKILL which can't be reported anyway but can be ignored
+ * by SIGNAL_UNKILLABLE task.
*/
- return !t->ptrace;
+ if (t->ptrace && sig != SIGKILL)
+ return 0;
+
+ return sig_task_ignored(t, sig, force);
}
/*
@@ -917,9 +919,9 @@ static void complete_signal(int sig, struct task_struct *p, int group)
* then start taking the whole group down immediately.
*/
if (sig_fatal(p, sig) &&
- !(signal->flags & (SIGNAL_UNKILLABLE | SIGNAL_GROUP_EXIT)) &&
+ !(signal->flags & SIGNAL_GROUP_EXIT) &&
!sigismember(&t->real_blocked, sig) &&
- (sig == SIGKILL || !t->ptrace)) {
+ (sig == SIGKILL || !p->ptrace)) {
/*
* This signal will be fatal to the whole group.
*/
diff --git a/kernel/uid16.c b/kernel/uid16.c
index d58cc4d8f0d1..651aaa5221ec 100644
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -190,6 +190,7 @@ SYSCALL_DEFINE2(setgroups16, int, gidsetsize, old_gid_t __user *, grouplist)
return retval;
}
+ groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 324b7e90b4c5..5712cdaae964 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1351,7 +1351,9 @@ static int vmstat_show(struct seq_file *m, void *arg)
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ seq_puts(m, vmstat_text[off]);
+ seq_put_decimal_ull(m, ' ', *l);
+ seq_putc(m, '\n');
return 0;
}
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 2410d557ae39..89731c9023f0 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -231,6 +231,7 @@ static int gssx_dec_linux_creds(struct xdr_stream *xdr,
goto out_free_groups;
GROUP_AT(creds->cr_group_info, i) = kgid;
}
+ groups_sort(creds->cr_group_info);
return 0;
out_free_groups:
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 033fec307528..036bbf2b44c1 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -481,6 +481,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
+ groups_sort(rsci.cred.cr_group_info);
/* mech name */
len = qword_get(&mesg, buf, mlen);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 621ca7b4a155..98db1715cb17 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -520,6 +520,7 @@ static int unix_gid_parse(struct cache_detail *cd,
GROUP_AT(ug.gi, i) = kgid;
}
+ groups_sort(ug.gi);
ugp = unix_gid_lookup(cd, uid);
if (ugp) {
struct cache_head *ch;
@@ -827,6 +828,7 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv));
GROUP_AT(cred->cr_group_info, i) = kgid;
}
+ groups_sort(cred->cr_group_info);
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 88632df4381b..dafaf96e0a34 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
- int c;
+ int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
- if (c == ' ') {
+ if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
+ } else if (c == '"') {
+ in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;