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SubjectRe: [PATCH] zram: set physical queue limits to avoid array out of bounds accesses
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On 03/06/2017 11:23 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().
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
> drivers/block/zram/zram_drv.c | 2 ++
> 1 file changed, 2 insertions(+)
>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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