children terminate on sigpipe
MODIFY
src/afl-forkserver.c
src/afl-forkserver.c
@@ -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);
// FORKSRV_FD is for communication with AFL, we don't need it in the
// child.
@@ -371,6 +377,13 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
if (!fsrv->fsrv_pid) {
/* 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;
/* Umpf. On OpenBSD, the default fd limit for root users is set to

children terminate on sigpipe