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Guard against pointer overrun if sock is set negative

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This commit is contained in:
Hamish Coleman 2022-07-09 13:11:42 +01:00
parent 439dfc6886
commit 3d9d881920
1 changed files with 1 additions and 1 deletions
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2
src/edge_utils.c
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@ -2869,7 +2869,7 @@ int run_edge_loop (n2n_edge_t *eee) {
// any or all of the FDs could have input; check them all // any or all of the FDs could have input; check them all
// external // external
if(FD_ISSET(eee->sock, &socket_mask)) { if((eee->sock >= 0) && FD_ISSET(eee->sock, &socket_mask)) {
if(0 != fetch_and_eventually_process_data(eee, eee->sock, if(0 != fetch_and_eventually_process_data(eee, eee->sock,
pktbuf, &expected, &position, pktbuf, &expected, &position,
now)) { now)) {