ACK: [SRU][J][PATCH 0/1] CVE-2023-53074

[Manuel Diewald]

On Tue, Oct 07, 2025 at 12:38:18PM -0700, Tim Whisonant wrote:
> SRU Justification:
> 
> [Impact]
> 
> drm/amdgpu: fix ttm_bo calltrace warning in psp_hw_fini
> 
> The call trace occurs when the amdgpu is removed after
> the mode1 reset. During mode1 reset, from suspend to resume,
> there is no need to reinitialize the ta firmware buffer
> which caused the bo pin_count increase redundantly.
> 
> [  489.885525] Call Trace:
> [  489.885525]  <TASK>
> [  489.885526]  amdttm_bo_put+0x34/0x50 [amdttm]
> [  489.885529]  amdgpu_bo_free_kernel+0xe8/0x130 [amdgpu]
> [  489.885620]  psp_free_shared_bufs+0xb7/0x150 [amdgpu]
> [  489.885720]  psp_hw_fini+0xce/0x170 [amdgpu]
> [  489.885815]  amdgpu_device_fini_hw+0x2ff/0x413 [amdgpu]
> [  489.885960]  ? blocking_notifier_chain_unregister+0x56/0xb0
> [  489.885962]  amdgpu_driver_unload_kms+0x51/0x60 [amdgpu]
> [  489.886049]  amdgpu_pci_remove+0x5a/0x140 [amdgpu]
> [  489.886132]  ? __pm_runtime_resume+0x60/0x90
> [  489.886134]  pci_device_remove+0x3e/0xb0
> [  489.886135]  __device_release_driver+0x1ab/0x2a0
> [  489.886137]  driver_detach+0xf3/0x140
> [  489.886138]  bus_remove_driver+0x6c/0xf0
> [  489.886140]  driver_unregister+0x31/0x60
> [  489.886141]  pci_unregister_driver+0x40/0x90
> [  489.886142]  amdgpu_exit+0x15/0x451 [amdgpu]
> 
> [Fix]
> 
> Plucky:   not affected
> Noble:    not affected
> Jammy:    backported from upstream
> Focal:    not affected
> Bionic:   not affected
> Xenial:   not affected
> Trusty:   not affected
> 
> [Test Plan]
> 
> Compile and boot tested.
> 
> [Where problems could occur]
> 
> The changes are isolated to the AMD GPU driver. Problems
> may manifest as issues with these devices.
> 
> Horatio Zhang (1):
>   drm/amdgpu: fix ttm_bo calltrace warning in psp_hw_fini
> 
>  drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> -- 
> 2.43.0
> 
> 
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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