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children terminate on sigpipe

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This commit is contained in:
van Hauser
2020-09-02 17:54:54 +02:00
parent 28e457e8d8
commit 08f6e1d66a
1 changed files with 13 additions and 0 deletions
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13
src/afl-forkserver.c
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@ -251,6 +251,12 @@ static void afl_fauxsrv_execv(afl_forkserver_t *fsrv, char **argv) {
} }
// enable terminating on sigpipe in the childs
struct sigaction sa;
memset((char *)&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
sigaction(SIGPIPE, &sa, NULL);
signal(SIGCHLD, old_sigchld_handler); signal(SIGCHLD, old_sigchld_handler);
// FORKSRV_FD is for communication with AFL, we don't need it in the // FORKSRV_FD is for communication with AFL, we don't need it in the
// child. // child.
@ -371,6 +377,13 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
if (!fsrv->fsrv_pid) { if (!fsrv->fsrv_pid) {
/* CHILD PROCESS */ /* CHILD PROCESS */
// enable terminating on sigpipe in the childs
struct sigaction sa;
memset((char *)&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
sigaction(SIGPIPE, &sa, NULL);
struct rlimit r; struct rlimit r;
/* Umpf. On OpenBSD, the default fd limit for root users is set to /* Umpf. On OpenBSD, the default fd limit for root users is set to