drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer

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[ Upstream commit c86ad39140 ]

Pass pointer reference to amdgpu_bo_unref to clear the correct pointer,
otherwise amdgpu_bo_unref clear the local variable, the original pointer
not set to NULL, this could cause use-after-free bug.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Philip Yang 2024-07-14 11:11:05 -04:00 • committed by Greg Kroah-Hartman

parent 44e4aeaef9

commit 30ceb873cc

8 changed files with 16 additions and 16 deletions

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14

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

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2

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h

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2

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

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4

drivers/gpu/drm/amd/amdkfd/kfd_device.c

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2

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

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2

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c

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2

drivers/gpu/drm/amd/amdkfd/kfd_process.c

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4

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

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