[PATCH v2] drm/amdgpu/mes: fix use-after-free issue

[Christian König]

Am 22.04.24 um 13:12 schrieb Lazar, Lijo:
>
> On 4/22/2024 3:09 PM, Jack Xiao wrote:
>> 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 at amd.com>
> Acked-by: Lijo Lazar <lijo.lazar at amd.com>

Acked-by: Christian König <christian.koenig at amd.com>

>
> Thanks,
> Lijo
>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
>> index 78e4f88f5134..226751ea084b 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
>> @@ -1128,6 +1128,7 @@ 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);
>>   }