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It can be accessed and reviewed at: https://github.com/lxc/lxc/pull/2340

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=== Description (from pull-request) ===
Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
From 11c69d5e77a44f973632c649a6ed7cc961db8abc Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brau...@ubuntu.com>
Date: Tue, 22 May 2018 23:26:03 +0200
Subject: [PATCH] lxc-init: skip signals that can't be caught

Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
---
 src/lxc/cmd/lxc_init.c | 5 +++++
 1 file changed, 5 insertions(+)

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 "
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