From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Mon, 26 Feb 2018 14:30:56 +0000 (+0100)
Subject: lxc-snapshot: fix segfault
X-Git-Tag: lxc-2.0.10~197
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=071b170479c62ef682d7c1aebaac56fb1949667b;p=thirdparty%2Flxc.git

lxc-snapshot: fix segfault

https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1751780

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

diff --git a/src/lxc/tools/lxc_snapshot.c b/src/lxc/tools/lxc_snapshot.c
index 79dc5c336..50d2982fe 100644
--- a/src/lxc/tools/lxc_snapshot.c
+++ b/src/lxc/tools/lxc_snapshot.c
@@ -128,6 +128,12 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	if (!c->lxc_conf) {
+		fprintf(stderr, "No container config specified\n");
+		lxc_container_put(c);
+		exit(EXIT_FAILURE);
+	}
+
 	if (!c->may_control(c)) {
 		fprintf(stderr, "Insufficent privileges to control %s\n",
 			my_args.name);