zebra: Possible write beyond buffer length

Prevent string manipulation where we might have data
passed into that is larger than the buffer we are pushing into.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

zebra/zebra_netns_notify.c

@@ -185,7 +185,7 @@ static bool zebra_ns_notify_is_default_netns(const char *name)
 {
 	struct stat default_netns_stat;
 	struct stat st;
-	char netnspath[64];
+	char netnspath[PATH_MAX];
 
 	if (zebra_ns_notify_self_identify(&default_netns_stat))
 		return false;