Re: [PATCH 1/1] iommu/vt-d: Fix UAF on sva unbind with pending IOPFs

[Will Deacon]

On Wed, 23 Jul 2025 15:20:45 +0800, Lu Baolu wrote:
> Commit 17fce9d2336d ("iommu/vt-d: Put iopf enablement in domain attach
> path") disables IOPF on device by removing the device from its IOMMU's
> IOPF queue when the last IOPF-capable domain is detached from the device.
> Unfortunately, it did this in a wrong place where there are still pending
> IOPFs. As a result, a use-after-free error is potentially triggered and
> eventually a kernel panic with a kernel trace similar to the following:
> 
> [...]

Applied to iommu (intel/vt-d), thanks!

[1/1] iommu/vt-d: Fix UAF on sva unbind with pending IOPFs
      https://git.kernel.org/iommu/c/f0b9d31c6edd

Cheers,
-- 
Will

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