From 8e82581f575bc8aacaf7d74deab77a21737ceab6 Mon Sep 17 00:00:00 2001
From: Garming Sam <garming@catalyst.net.nz>
Date: Mon, 27 Mar 2017 15:49:25 +1300
Subject: [PATCH] wbinfo: Prevent client segfault with given EOF

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---
 nsswitch/wbinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nsswitch/wbinfo.c b/nsswitch/wbinfo.c
index 57f2b3be336..67a97b5bbc0 100644
--- a/nsswitch/wbinfo.c
+++ b/nsswitch/wbinfo.c
@@ -1781,7 +1781,8 @@ static bool wbinfo_auth_crap(char *username, bool use_ntlmv2, bool use_lanman)
 						get_winbind_netbios_name(),
 						get_winbind_domain());
 
-		if (!SMBNTLMv2encrypt(NULL, name_user, name_domain, pass,
+		if (pass != NULL &&
+		    !SMBNTLMv2encrypt(NULL, name_user, name_domain, pass,
 				      &server_chal,
 				      &names_blob,
 				      &lm, &nt, NULL, NULL)) {
-- 
2.34.1