Matthew Auld f916daa615 drm/i915/userptr: reject zero user_size ...

commit c11c7bfd21 upstream.

Operating on a zero sized GEM userptr object will lead to explosions.

Fixes: 5cc9ed4b9a ("drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl")
Testcase: igt/gem_userptr_blits/input-checking
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502195021.30900-1-matthew.auld@intel.com
Cc: Loic <hackurx@opensec.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-09-09 20:01:19 +02:00

..

drm

drm/i915/userptr: reject zero user_size

2018-09-09 20:01:19 +02:00

host1x

drm/tegra: dsi: Enhance runtime power management

2016-08-24 15:58:57 +02:00

ipu-v3

gpu: ipu-v3: Use ERR_CAST instead of ERR_PTR(PTR_ERR())

2016-10-17 08:21:53 +02:00

vga

vgaarbiter: rst-ifiy and polish kerneldoc

2016-08-16 18:49:56 +02:00

Makefile

gpu: host1x: Provide a proper struct bus_type

2015-01-27 10:09:14 +01:00