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 228a2eb8bca84c2db2f421ebc90b27a055af03b7..c673bc60a6c8aada04f123c22959dbd0672073e0 100644 (file)
--- 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 "