linux-kernel - Re: Crash on WRITE SAME

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Date:	Wed, 2 Jul 2014 11:13:33 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Mikulas Patocka <mpatocka@...hat.com>
Cc:	Sagi Grimberg <sagig@...lanox.com>, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Mike Christie <michaelc@...wisc.edu>,
	Nicholas Bellinger <nab@...ux-iscsi.org>
Subject: Re: Crash on WRITE SAME

On Wed, Jul 02, 2014 at 02:05:14PM -0400, Mikulas Patocka wrote:
> Hi Sagi
> 
> Your commit d77e65350f2d82dfa0557707d505711f5a43c8fd causes crash on SCSI 
> WRITE SAME command (it can be triggered by issuing the BLKZEROOUT ioctl). 
> The crash happens in iscsi_tcp_segment_done because sg_next returns NULL.

Martin already fixes this over a week ago, we're just waiting for James
to send a pull request to Linus.

Get this fix from the core-for-3.16 branch of
git.infradead.org/users/hch/scsi-queue.git for now.

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