From: Mike Galbraith <efault@gmx.de>
To: Jens Axboe <axboe@kernel.dk>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [block] BUG: KASAN: use-after-free in rb_erase+0x1431/0x1970
Date: Fri, 10 Mar 2017 05:59:05 +0100 [thread overview]
Message-ID: <1489121945.13992.1.camel@gmx.de> (raw)
In-Reply-To: <6b17c360-d11f-6db5-4933-0c91f70d6a89@kernel.dk>
On Thu, 2017-03-09 at 08:38 -0700, Jens Axboe wrote:
> On 03/09/2017 08:16 AM, Mike Galbraith wrote:
> > Greetings,
> >
> > Building master.today with kasan enabled (because I saw the same when
> > trying out kasan on rt), the below fell out.
> >
> > Config is enterprise based (tune for maximum build time), plus PREEMPT.
> >
> > [ 5.335444] ==================================================================
> > [ 5.337030] BUG: KASAN: use-after-free in rb_erase+0x1431/0x1970 at addr ffff88035e78abb0
> > [ 5.338642] Write of size 8 by task swapper/7/0
> > [ 5.340204] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G E 4.11.0-kasan #160
> > [ 5.341774] Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.20C 09/23/2013
>
> Should be fixed in my for-linus branch, it'll go out soon. If you want
> to verify, pull:
>
> git://git.kernel.dk/linux-block for-linus
>
> into master and see if that works for you.
Yup, all better.
-Mike
prev parent reply other threads:[~2017-03-10 4:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-09 15:16 [block] BUG: KASAN: use-after-free in rb_erase+0x1431/0x1970 Mike Galbraith
2017-03-09 15:38 ` Jens Axboe
2017-03-10 4:59 ` Mike Galbraith [this message]
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