Re: Crash on WRITE SAME

From: Christoph Hellwig
Date: Wed Jul 02 2014 - 14:13:43 EST


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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