From 74603440ec8774167c45107d156efe10ac19a0f8 Mon Sep 17 00:00:00 2001
From: Tim Prouty <tprouty@samba.org>
Date: Thu, 26 Mar 2009 11:28:37 -0700
Subject: [PATCH] s3: parse_packet can return NULL which is then dereferenced
 in match_mailslot_name (cherry picked from commit
 e452955c077a761cbadd27bede8d6844edbb2e5e)

---
 source/libsmb/unexpected.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/libsmb/unexpected.c b/source/libsmb/unexpected.c
index df4d2119e27..4404b26ccb0 100644
--- a/source/libsmb/unexpected.c
+++ b/source/libsmb/unexpected.c
@@ -163,6 +163,10 @@ static int traverse_match(TDB_CONTEXT *ttdb, TDB_DATA kbuf, TDB_DATA dbuf,
 			ip,
 			port);
 
+	if (!p) {
+		return 0;
+	}
+
 	if ((state->match_type == NMB_PACKET &&
 	     p->packet.nmb.header.name_trn_id == state->match_id) ||
 	    (state->match_type == DGRAM_PACKET &&
-- 
2.11.4.GIT