From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Mon, 29 Mar 2021 11:28:56 +0000 (+0200)
Subject: lxccontainer: ensure second parameter to bsearch is never NULL
X-Git-Tag: lxc-5.0.0~232^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F3748%2Fhead;p=thirdparty%2Flxc.git

lxccontainer: ensure second parameter to bsearch is never NULL

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

diff --git a/src/lxc/lxccontainer.c b/src/lxc/lxccontainer.c
index 5d43815c7..ec54a96eb 100644
--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -2315,6 +2315,9 @@ static bool add_to_clist(struct lxc_container ***list, struct lxc_container *c,
 
 static char** get_from_array(char ***names, char *cname, int size)
 {
+	if (!*names)
+		return NULL;
+
 	return (char **)bsearch(&cname, *names, size, sizeof(char *), (int (*)(const void *, const void *))string_cmp);
 }