From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Fri, 15 Jun 2018 10:56:19 +0000 (+0200)
Subject: coverity: #1425846
X-Git-Tag: lxc-2.0.10~75
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb47fcd8931db0ce017594b7d7ba7c7141f24d38;p=thirdparty%2Flxc.git

coverity: #1425846

Unchecked return value

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

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index ff2164abc..599fc5015 100644
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -600,8 +600,9 @@ static void lxc_attach_get_init_uidgid(uid_t *init_uid, gid_t *init_gid)
 	uid_t uid = (uid_t)-1;
 	gid_t gid = (gid_t)-1;
 
-	/* Read capabilities. */
-	snprintf(proc_fn, __PROC_STATUS_LEN, "/proc/%d/status", 1);
+	ret = snprintf(proc_fn, __PROC_STATUS_LEN, "/proc/%d/status", 1);
+	if (ret < 0 || ret >= __PROC_STATUS_LEN)
+		return;
 
 	proc_file = fopen(proc_fn, "r");
 	if (!proc_file)