lxc-init: skip signals that can't be caught

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
lxc · May 22, 2018 · 11c69d5 · 11c69d5
1 parent 394769b
commit 11c69d5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/lxc/cmd/lxc_init.c b/src/lxc/cmd/lxc_init.c
@@ -327,6 +327,11 @@ int main(int argc, char *argv[])
 		/* restore default signal handlers */
 		for (i = 1; i < NSIG; i++) {
 			sighandler_t sigerr;
+
+			if (i == SIGILL || i == SIGSEGV || i == SIGBUS ||
+			    i == SIGSTOP || i == SIGKILL || i == 32 || i == 33)
+				continue;
+
 			sigerr = signal(i, SIG_DFL);
 			if (sigerr == SIG_ERR) {
 				DEBUG("%s - Failed to reset to default action "