diff options
author | Matthew Auld <matthew.auld@intel.com> | 2018-05-02 22:50:21 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-09 20:55:53 +0300 |
commit | 7188f7416438a34412a6702f548f81be9e2cf56c (patch) | |
tree | ef4cd0e8696f2b1b79047d49721d30d7cb1ea9bc /drivers/net/wireless/marvell | |
parent | 1e2698976822852b67c2dc11b2ebc2febc25955c (diff) | |
download | linux-7188f7416438a34412a6702f548f81be9e2cf56c.tar.xz |
drm/i915/userptr: reject zero user_size
commit c11c7bfd213495784b22ef82a69b6489f8d0092f upstream.
Operating on a zero sized GEM userptr object will lead to explosions.
Fixes: 5cc9ed4b9a7a ("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>
Diffstat (limited to 'drivers/net/wireless/marvell')
0 files changed, 0 insertions, 0 deletions