linux-kernel - Re: use-after-free. [libata/block]

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Message-ID: <d06b5415-2e16-4722-ac37-1e1739856ca9@kernel.dk>
Date:   Thu, 27 Jul 2017 12:40:29 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Dave Jones <davej@...emonkey.org.uk>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Tejun Heo <tj@...nel.org>
Subject: Re: use-after-free. [libata/block]

On 07/27/2017 12:31 PM, Dave Jones wrote:
> Found this in the logs this morning after an overnight fuzz run..
> 
> BUG: KASAN: use-after-free in __lock_acquire+0x1aa/0x1970
> Read of size 8 at addr ffff880406805e30 by task trinity-c8/25954

Fix already exists for this, just hasn't made it into mainline yet:

http://marc.info/?l=linux-mm&m=150108684932459&w=2

-- 
Jens Axboe