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authorJack Xiao <Jack.Xiao@amd.com>2024-04-22 11:22:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-06-12 12:02:59 +0300
commit70b1bf6d9edc8692d241f59a65f073aec6d501de (patch)
treec82f397b37bd198e61167b3724d8c7ce8f26c4fd /drivers/gpu
parent4e68e749a852d71f3e3e121183939a50f2185f1c (diff)
downloadlinux-70b1bf6d9edc8692d241f59a65f073aec6d501de.tar.xz
drm/amdgpu/mes: fix use-after-free issue
[ Upstream commit 948255282074d9367e01908b3f5dcf8c10fc9c3d ] Delete fence fallback timer to fix the ramdom use-after-free issue. v2: move to amdgpu_mes.c Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Acked-by: Lijo Lazar <lijo.lazar@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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index bebd136ed544..9a4cbfbd5d9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -1083,6 +1083,7 @@ void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
return;
amdgpu_mes_remove_hw_queue(adev, ring->hw_queue_id);
+ del_timer_sync(&ring->fence_drv.fallback_timer);
amdgpu_ring_fini(ring);
kfree(ring);
}