Re: [PATCH 0/2] Fix undetected overflow when allocating IOVA

On Thu, Jul 17, 2025 at 04:15:07PM -0300, Jason Gunthorpe wrote:

Syzkaller found this, the ALIGN() call can overflow and corrupt the allocation process. Fix the bug and add some test coverage.

Signed-off-by: Jason Gunthorpe jgg@nvidia.com

Jason Gunthorpe (2): iommufd: Prevent ALIGN() overflow iommufd/selftest: Test reserved regions near ULONG_MAX

With the SKIP in PATCH-2:

Tested-by: Nicolin Chen nicolinc@nvidia.com