lxc/0043-check-null-pointer-of-handler-to-fix-coredump-of-att.patch

From d6893f5b376992b0b715a0b46c660c78144c1203 Mon Sep 17 00:00:00 2001
From: tanyifeng <tanyifeng1@huawei.com>
Date: Thu, 17 Jan 2019 10:19:37 +0800
Subject: [PATCH 043/139] check null pointer of handler to fix coredump of
 attach

Signed-off-by: tanyifeng <tanyifeng1@huawei.com>
Signed-off-by: LiFeng <lifeng68@huawei.com>
---
 src/lxc/cgroups/cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lxc/cgroups/cgroup.c b/src/lxc/cgroups/cgroup.c
index 7442c31..720a6c9 100644
--- a/src/lxc/cgroups/cgroup.c
+++ b/src/lxc/cgroups/cgroup.c
@@ -44,7 +44,7 @@ struct cgroup_ops *cgroup_init(struct lxc_handler *handler)
 {
 	struct cgroup_ops *cgroup_ops;
 
-	cgroup_ops = cgfsng_ops_init(handler->conf->errpipe[1]);
+	cgroup_ops = cgfsng_ops_init(handler ? handler->conf->errpipe[1] : -1);
 	if (!cgroup_ops) {
 		ERROR("Failed to initialize cgroup driver");
 		return NULL;
-- 
1.8.3.1