Add return check for 'lxc_cmd_get_name'

If 'lxc_cmd_get_name' failed and return with NULL, this would cause a segment fault. Signed-off-by: LiFeng <lifeng68@huawei.com>

Add return check for 'lxc_cmd_get_name'
558add0f · LiFeng · Christian Brauner · 3c3e0cb5 · 558add0f
Unverified Commit 558add0f authored Jan 08, 2018 by LiFeng Committed by Christian Brauner Feb 07, 2018
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lxccontainer.c src/lxc/lxccontainer.c +2 -0

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--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -3594,6 +3594,8 @@ int list_active_containers(const char *lxcpath, char ***nret,
 			if (strncmp(lxcpath, recvpath, lxcpath_len) != 0)
 				continue;
 			p = lxc_cmd_get_name(p);
+			if (!p)
+				continue;
 		}

 		if (array_contains(&ct_name, p, ct_name_cnt))