diff options
| author | Nirmoy Das <nirmoy.das@intel.com> | 2024-10-16 10:23:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-17 15:09:55 +0100 |
| commit | 5d623ffbae96b23f1fc43a3d5a267aabdb07583d (patch) | |
| tree | 505e9cc16344dd3c9acfea22fdefa1e8cbe0023e /tools/perf/scripts/python/stackcollapse.py | |
| parent | 0e39f795cbcd6ccb0e73c8bc49bc64e126116028 (diff) | |
drm/xe/ufence: Prefetch ufence addr to catch bogus address
[ Upstream commit 9c1813b3253480b30604c680026c7dc721ce86d1 ]
access_ok() only checks for addr overflow so also try to read the addr
to catch invalid addr sent from userspace.
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630
Cc: Francois Dugast <francois.dugast@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241016082304.66009-2-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
(cherry picked from commit 9408c4508483ffc60811e910a93d6425b8e63928)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions