From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751568AbdBANs0 (ORCPT ); Wed, 1 Feb 2017 08:48:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53288 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428AbdBANsZ (ORCPT ); Wed, 1 Feb 2017 08:48:25 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: To: Dmitry Vyukov Cc: dhowells@redhat.com, james.l.morris@oracle.com, serge@hallyn.com, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, LKML , syzkaller Subject: Re: keys: GPF in request_key MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <22034.1485956899.1@warthog.procyon.org.uk> Date: Wed, 01 Feb 2017 13:48:19 +0000 Message-ID: <22035.1485956899@warthog.procyon.org.uk> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 01 Feb 2017 13:48:26 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dmitry Vyukov wrote: > request_key_and_link+0x2d8/0x1150 security/keys/request_key.c:549 Can you disassemble this function for me? There are several possible paths and without the argument to the syscall and whether there's a key that was matched, it's hard to say which path is being taken - but this might help determine that. David