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 11d75b31010e6f65099c960139cac02dfb53f242..9ae524452aa094bbd60763636d4d305661eb32c9 100644 (file)
--- 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);