From: Tejun Heo <tj@kernel.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: linux-ide@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>,
Kostya Serebryany <kcc@google.com>,
Marc C <marc.ceeeee@gmail.com>,
aaron.lu@intel.com, linux-scsi <linux-scsi@vger.kernel.org>,
"James E.J. Bottomley" <JBottomley@parallels.com>
Subject: Re: Use-after-free in ata_qc_issue
Date: Sun, 22 Sep 2013 17:47:33 -0400 [thread overview]
Message-ID: <20130922214733.GB27616@mtj.dyndns.org> (raw)
In-Reply-To: <CACT4Y+bKPWkiLJEC2tk076TmPcYcXb_BuKiSG9H2BoWnOZJuiQ@mail.gmail.com>
Hello,
On Sun, Sep 22, 2013 at 11:59:53AM -0700, Dmitry Vyukov wrote:
> I've noticed that free happens in scsi_error_handler thread, so maybe
> a timeout or some other error condition is involved here.
> It is possible that timeout happens while the request is still being
> in process of submitting (in ata_scsi_queuecmd)?
Yeah, could be. IIRC, there's still race condition in block / scsi
timeout handling. Hmmm...
--
tejun
next prev parent reply other threads:[~2013-09-22 21:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CACT4Y+anZ6Mt9T=Zx5OepmawzkLDSmXo5ZkkhX5riZ8XvNHEmQ@mail.gmail.com>
2013-09-22 16:39 ` Use-after-free in ata_qc_issue Tejun Heo
2013-09-22 18:24 ` Dmitry Vyukov
2013-09-22 18:59 ` Dmitry Vyukov
2013-09-22 21:47 ` Tejun Heo [this message]
2013-09-22 21:51 ` Dmitry Vyukov
2013-09-23 13:43 ` Tejun Heo
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