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linux/drivers/gpu
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Chris Wilson 2e5e75399a drm/i915: Large page offsets for pread/pwrite 
commit ab0d6a1418 upstream.

Handle integer overflow when computing the sub-page length for shmem
backed pread/pwrite.

Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181012140228.29783-1-chris@chris-wilson.co.uk
(cherry picked from commit a5e856a534)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[bwh: Backported to 3.16:
 - Length variable is page_length, not length
 - Page-offset variable is shmem_page_offset, not offset]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2019-02-11 17:53:37 +00:00
..
drm drm/i915: Large page offsets for pread/pwrite 2019-02-11 17:53:37 +00:00
host1x gpu: host1x: Rename internal functions for clarity 2014-06-05 23:10:30 +02:00
ipu-v3 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-06-12 11:32:30 -07:00
vga vgaarb: fix signal handling in vga_get() 2016-01-18 22:27:27 +00:00
Makefile gpu: ipu-v3: Move i.MX IPUv3 core driver out of staging 2014-06-04 11:06:52 +02:00