From e28ae1f5fd904b99403e31edbb1ca41f77dc1dee Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vlendec@samba.org>
Date: Wed, 4 Oct 2006 21:07:05 +0000
Subject: r19080: Fix a potential NULL dereference (This used to be commit
 682b490c23bb88a1a570bd1fcb7d2b6aa778dd14)

---
 source3/lib/util.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source3/lib')

diff --git a/source3/lib/util.c b/source3/lib/util.c
index e04ed977bb..19c6cab5b2 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -312,6 +312,13 @@ void add_gid_to_array_unique(TALLOC_CTX *mem_ctx, gid_t gid,
 {
 	int i;
 
+	if ((*num_gids != 0) && (*gids == NULL)) {
+		/*
+		 * A former call to this routine has failed to allocate memory
+		 */
+		return;
+	}
+
 	for (i=0; i<*num_gids; i++) {
 		if ((*gids)[i] == gid)
 			return;
-- 
cgit