From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 27 Mar 2021 07:09:56 +0000 (+0100)
Subject: confile: use correct check for too large network lists
X-Git-Tag: lxc-5.0.0~237^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbc9892535bb5fb8e2571372a9d82513c22732ab;p=thirdparty%2Flxc.git

confile: use correct check for too large network lists

Link: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32558
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 6dd25c6ab..4ce958e62 100644
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -5202,7 +5202,7 @@ static struct lxc_config_t *get_network_config_ops(const char *key,
 	 * better safe than sorry.
 	 * (Checking for INT_MAX here is intentional.)
 	 */
-	if (tmpidx == INT_MAX)
+	if (tmpidx >= INT_MAX)
 		return log_error_errno(NULL, ERANGE, "Number of configured networks would overflow the counter");
 	*idx = tmpidx;