linux-kernel - Re: keys: GPF in request

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Message-ID: <22035.1485956899@warthog.procyon.org.uk>
Date:   Wed, 01 Feb 2017 13:48:19 +0000
From:   David Howells <dhowells@...hat.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     dhowells@...hat.com, james.l.morris@...cle.com, serge@...lyn.com,
        keyrings@...r.kernel.org, linux-security-module@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: keys: GPF in request_key

Dmitry Vyukov <dvyukov@...gle.com> 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