From: paco <paco@voltanet.io>
Date: Fri, 15 Jun 2018 14:16:11 +0000 (+0200)
Subject: zebra: string null termination (Coverity 1465494)
X-Git-Tag: frr-6.1-dev~280^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=32ac96b2ba9693696d2f1156af1b80985d4e55bb;p=matthieu%2Ffrr.git

zebra: string null termination (Coverity 1465494)

Signed-off-by: F. Aragon <paco@voltanet.io>
---

diff --git a/zebra/zebra_netns_notify.c b/zebra/zebra_netns_notify.c
index 30f850597c..bb6a565211 100644
--- a/zebra/zebra_netns_notify.c
+++ b/zebra/zebra_netns_notify.c
@@ -212,6 +212,11 @@ static int zebra_ns_notify_read(struct thread *t)
 			continue;
 		if (event->mask & IN_DELETE)
 			return zebra_ns_delete(event->name);
+		if (&event->name[event->len] >= &buf[sizeof(buf)]) {
+			zlog_err("NS notify read: buffer underflow");
+			break;
+		}
+		event->name[event->len] = 0;
 		netnspath = ns_netns_pathname(NULL, event->name);
 		if (!netnspath)
 			continue;