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From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "scott.bauer@intel.com" <scott.bauer@intel.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"James.Bottomley@HansenPartnership.com"
	<James.Bottomley@HansenPartnership.com>,
	"jack@suse.cz" <jack@suse.cz>, "hch@lst.de" <hch@lst.de>,
	"hare@suse.com" <hare@suse.com>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] Avoid that scsi_exit_rq() triggers a use-after-free
Date: Wed, 3 May 2017 16:12:07 +0000	[thread overview]
Message-ID: <1493827927.3901.7.camel@sandisk.com> (raw)
In-Reply-To: <20170502230034.GA29151@sbauer-Z170X-UD5>

On Tue, 2017-05-02 at 17:00 -0600, Scott Bauer wrote:
> I've applied this on-top of Jens' For-Linus and re-ran the test. I get the following scheduling
> while atomic BUG() splat:
> 
> [   35.753764] BUG: scheduling while atomic: swapper/0/0/0x00000100
> [   35.754333]  [ ... ]
> [   35.765844]  scsi_host_dev_release+0xe7/0x430
> [   35.766155]  [ ... ]
> [   35.769636]  rcu_process_callbacks+0x831/0xfb0

Hello Scott,

Thanks for testing. It's weird that I had not hit this with my own tests.
Anyway, I will post a v2.

Bart.

  reply	other threads:[~2017-05-03 16:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-02 17:43 [PATCH] Avoid that scsi_exit_rq() triggers a use-after-free Bart Van Assche
2017-05-02 17:43 ` Bart Van Assche
2017-05-02 23:00 ` Scott Bauer
2017-05-03 16:12   ` Bart Van Assche [this message]
2017-05-03  7:54 ` Jan Kara
2017-05-03 16:18   ` Bart Van Assche

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