Re: [PATCH 0/2] iommu/vt-d: Fix issues on probe error path

[Baolu Lu]

On 6/1/26 01:02, Pranjal Shrivastava wrote:
> This series addresses two pre-existing issues in the Intel VT-d driver's
> probe error path. These issues were identified by Sashiko during the
> review of the ATS series [1].
>
> The first patch fixes an RB-tree corruption that occurs when probing
> non-ATS devices. The second patch fixes a UAF by ensuring the per-device
> private data pointer is cleared before freeing memory on failure.
>
> [1]https://sashiko.dev/#/patchset/20260525184347.4059549-1- 
> praan@xxxxxxxxxx?part=4
>
> v2
> - Updated the Fixes tag for Patch 2 based on feedback from Lu.
>
> Thanks,
> Praan
>
> Pranjal Shrivastava (2):
>    iommu/vt-d: Fix RB-tree corruption in probe error path
>    iommu/vt-d: Fix Use-After-Free in probe error path
>
>   drivers/iommu/intel/iommu.c | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)

Queued these two fix patches for linux-next.

I noticed that Sashiko reported two pre-existing issues here:

https://sashiko.dev/#/patchset/20260531170254.60493-1-praan%40google.com

I will follow up with fixes for them in separate patches.

Thanks,
baolu