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-2.0.10~132
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db69009d6a2fc10ce3dff65e6ec777aec72dab5c;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/lxc_init.c b/src/lxc/lxc_init.c
index d035257be..d42247e2f 100644
--- a/src/lxc/lxc_init.c
+++ b/src/lxc/lxc_init.c
@@ -324,6 +324,11 @@ 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 "