From: Günther Deschner <gd@samba.org>
Date: Wed, 20 Apr 2016 18:09:53 +0000 (+0200)
Subject: libcli/smb: fix NULL pointer derreference in smbXcli_session_is_authenticated().
X-Git-Tag: samba-4.2.12~24
X-Git-Url: http://git.samba.org/?p=samba.git;a=commitdiff_plain;h=bba0194a75e4be99e9b31cf78b87a29d4ffa7143

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)
---

diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index 7bf48c80437..193222c501b 100644
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -4945,6 +4945,10 @@ 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;
 	}