From f22870c8c052a36fdfb1e15a3e90c521676e1ac7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Wed, 20 Apr 2016 20:09:53 +0200
Subject: [PATCH] libcli/smb: fix NULL pointer derreference in
 smbXcli_session_is_authenticated().

Guenther

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11841

Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
(cherry picked from commit 8e016ffeb01167bb8dec66cf9e4bc8605461c15a)
---
 libcli/smb/smbXcli_base.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index 14b5992d0a7..1d41d4ba210 100644
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -5306,6 +5306,10 @@ bool smbXcli_session_is_authenticated(struct smbXcli_session *session)
 {
 	const DATA_BLOB *application_key;
 
+	if (session == NULL) {
+		return false;
+	}
+
 	if (session->conn == NULL) {
 		return false;
 	}
-- 
2.34.1