From: Dave Jones <davej@redhat.com>
To: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: general protection fault in do_msgrcv [3.8]
Date: Wed, 20 Feb 2013 13:24:32 -0500 [thread overview]
Message-ID: <20130220182432.GA32377@redhat.com> (raw)
In-Reply-To: <512487FA.9090102@parallels.com>
On Wed, Feb 20, 2013 at 12:23:22PM +0400, Stanislav Kinsbursky wrote:
> > Pid: 887, comm: trinity-child2 Not tainted 3.8.0+ #57 Gigabyte Technology Co., Ltd. GA-MA78GM-S2H/GA-MA78GM-S2H
> > RIP: 0010:[<ffffffff812aebba>] [<ffffffff812aebba>] do_msgrcv+0x22a/0x670
> > ...
> > Looks like Stanislav recently changed this code, so problem was likely introduced
> > in those changes.
> >
>
> Is it easy to reproduce? Do you use KVM?
Only hit it once so far, no KVM
> There is a NULL selinux handler bug fix by Stephen Smalley here:
> https://lkml.org/lkml/2013/2/6/663
>
> But anyway, this bug fix affects only the case, when MSG_COPY flag is set.
>
> And this is not your case, I suppose?
>From my reading of the traces, I'd say not. It looks like I'm oopsing before
we even get to the SELinux hooks.
Dave
next prev parent reply other threads:[~2013-02-20 18:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 18:04 general protection fault in do_msgrcv [3.8] Dave Jones
2013-02-20 8:23 ` Stanislav Kinsbursky
2013-02-20 10:03 ` Gleb Natapov
2013-02-20 10:13 ` Stanislav Kinsbursky
2013-02-20 18:24 ` Dave Jones [this message]
2013-02-21 5:11 ` Stanislav Kinsbursky
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