Commit 1cd99a8d authored Nov 30, 2016 by Alex Xie Committed by Alex Deucher Dec 06, 2016

drm/amd/amdgpu: validate the shadow BO.



Fixes a rare NULL pointer dereference in amdgpu_ttm_bind.

The issue was found by Nicolai Haehnle.
The patch was tested by Nicolai Haehnle.

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

parent f5f857f4

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -451,7 +451,7 @@ static int amdgpu_cs_validate(void param, struct amdgpu_bo bo)
		return r;

		if (bo->shadow)
		r = amdgpu_cs_bo_validate(p, bo);
		r = amdgpu_cs_bo_validate(p, bo->shadow);

		return r;
		}

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