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Re: [PATCH] zram: set physical queue limits to avoid array out of bounds accesses

From Andrew Morton <akpm@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH] zram: set physical queue limits to avoid array out of bounds accesses
Date 2017-03-06 22:40 +0100
Message-ID <ti8wh-5Kt-3@gated-at.bofh.it> (permalink)
References <thY3U-6MU-11@gated-at.bofh.it> <ti8wh-5Kt-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, 6 Mar 2017 08:21:11 -0700 Jens Axboe <axboe@fb.com> wrote:

> 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.

With an added cc:stable, hopefully?

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[PATCH] zram: set physical queue limits to avoid array out of bounds accesses Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-06 11:30 +0100
  Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-03-06 11:50 +0100
  Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Andrew Morton <akpm@linux-foundation.org> - 2017-03-06 22:40 +0100
  Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Minchan Kim <minchan@kernel.org> - 2017-03-07 07:10 +0100
    Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Minchan Kim <minchan@kernel.org> - 2017-03-07 08:30 +0100
      Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Minchan Kim <minchan@kernel.org> - 2017-03-07 10:20 +0100
        Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-07 11:30 +0100
          Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Minchan Kim <minchan@kernel.org> - 2017-03-08 06:50 +0100
            Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Johannes Thumshirn <jthumshirn@suse.de> - 2017-03-08 09:50 +0100
              Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Minchan Kim <minchan@kernel.org> - 2017-03-09 06:30 +0100
      Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Hannes Reinecke <hare@suse.de> - 2017-03-07 12:40 +0100
    Re: [PATCH] zram: set physical queue limits to avoid array out of  bounds accesses Hannes Reinecke <hare@suse.de> - 2017-03-07 08:40 +0100

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