From: Jens Axboe <axboe@fb.com>
To: Johannes Thumshirn <jthumshirn@suse.de>,
Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>
Cc: Christoph Hellwig <hch@lst.de>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Hannes Reinecke <hare@suse.de>,
yizhan@redhat.com,
Linux Block Layer Mailinglist <linux-block@vger.kernel.org>,
Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] zram: set physical queue limits to avoid array out of bounds accesses
Date: Mon, 6 Mar 2017 08:21:11 -0700 [thread overview]
Message-ID: <96ed9003-6299-b303-a901-d040a8cfe03f@fb.com> (raw)
In-Reply-To: <20170306102335.9180-1-jthumshirn@suse.de>
On 03/06/2017 03:23 AM, Johannes Thumshirn wrote:
> zram can handle at most SECTORS_PER_PAGE sectors in a bio's bvec. When using
> the NVMe over Fabrics loopback target which potentially sends a huge bulk of
> pages attached to the bio's bvec this results in a kernel panic because of
> array out of bounds accesses in zram_decompress_page().
Applied, thanks.
--
Jens Axboe
next prev parent reply other threads:[~2017-03-06 15:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 10:23 [PATCH] zram: set physical queue limits to avoid array out of bounds accesses Johannes Thumshirn
2017-03-06 10:25 ` Hannes Reinecke
2017-03-06 10:45 ` Sergey Senozhatsky
2017-03-06 15:21 ` Jens Axboe [this message]
2017-03-06 20:18 ` Andrew Morton
2017-03-06 20:19 ` Jens Axboe
2017-03-07 5:22 ` Minchan Kim
2017-03-07 7:00 ` Hannes Reinecke
2017-03-07 7:23 ` Minchan Kim
2017-03-07 7:48 ` Hannes Reinecke
2017-03-07 8:55 ` Minchan Kim
2017-03-07 9:51 ` Johannes Thumshirn
2017-03-08 5:11 ` Minchan Kim
2017-03-08 7:58 ` Johannes Thumshirn
2017-03-09 5:28 ` Minchan Kim
2017-03-30 15:08 ` Minchan Kim
2017-03-30 15:35 ` Jens Axboe
2017-03-30 23:45 ` Minchan Kim
2017-03-31 1:38 ` Jens Axboe
2017-04-03 5:11 ` Minchan Kim
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