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(parent: 4f4824b) | patch
drm/amd/amdgpu: ring debugfs is read in increments of 4 bytes
authorTom St Denis <tom.stdenis@amd.com>
Mon, 2 May 2016 12:35:35 +0000 (08:35 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 7 Jul 2016 18:51:11 +0000 (14:51 -0400)
commitc71dbd93eb0039838de920ae1712ff65fd648290
treeb6a74ddf50f741dffa1d34d7d8a6b566e9ee5cfbtree | snapshot (tar.gz zip)
parent4f4824b55650fa7014eedf18cb1f9f243cb2b45ecommit | diff
drm/amd/amdgpu: ring debugfs is read in increments of 4 bytes

If a user tries to read a non-multiple of 4 bytes it would have
read until the end of the ring potentially crashing the user
task.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c diff | blob | blame | history