From: Volker Lendecke <vl@samba.org>
Date: Fri, 3 Jan 2020 13:04:02 +0000 (+0100)
Subject: auth: Check for talloc failure in smb_sess_key_ntlmv2()
X-Git-Tag: ldb-2.1.0~120
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e02d24c0875eb04a53c19119148f5203374382e0;p=thirdparty%2Fsamba.git

auth: Check for talloc failure in smb_sess_key_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 11d75b31010..9ae524452aa 100644
--- a/libcli/auth/ntlm_check.c
+++ b/libcli/auth/ntlm_check.c
@@ -232,6 +232,10 @@ static bool smb_sess_key_ntlmv2(TALLOC_CTX *mem_ctx,
 		return false;
 	}
 	*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,
 				    user_sess_key->data);