From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 22 May 2018 21:26:03 +0000 (+0200)
Subject: lxc-init: skip signals that can't be caught
X-Git-Tag: lxc-3.1.0~295^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11c69d5e77a44f973632c649a6ed7cc961db8abc;p=thirdparty%2Flxc.git

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

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/cmd/lxc_init.c b/src/lxc/cmd/lxc_init.c
index 228a2eb8b..c673bc60a 100644
--- 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 "