From: Volker Lendecke <vl@samba.org>
Date: Fri, 3 Jan 2020 13:04:02 +0000 (+0100)
Subject: auth: Check for talloc failure in smb_pwd_check_ntlmv2()
X-Git-Tag: ldb-2.1.0~124
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ec4e4b668d009f9c79ce324dce0d512e16d4cb9;p=thirdparty%2Fsamba.git

auth: Check for talloc failure in smb_pwd_check_ntlmv2()

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
---

diff --git a/libcli/auth/ntlm_check.c b/libcli/auth/ntlm_check.c
index 9f779f85fa1..6e25ca280ef 100644
--- a/libcli/auth/ntlm_check.c
+++ b/libcli/auth/ntlm_check.c
@@ -154,6 +154,10 @@ static bool smb_pwd_check_ntlmv2(TALLOC_CTX *mem_ctx,
 	if (memcmp(value_from_encryption, ntv2_response->data, 16) == 0) { 
 		if (user_sess_key != NULL) {
 			*user_sess_key = data_blob_talloc(mem_ctx, NULL, 16);
+			if (user_sess_key->data == NULL) {
+				DBG_ERR("data_blob_talloc failed\n");
+				return false;
+			}
 
 			status = SMBsesskeygen_ntv2(kr,
 						    value_from_encryption,