On Wed, Sep 17, 2025 at 05:01:46PM -0300, Jason Gunthorpe wrote: > Syzkaller found this, fput runs the release from a work queue so the > refcount remains elevated during abort. This is tricky so move more > handling of files into the core code. > > Add a WARN_ON to catch things like this more reliably without relying on > kasn. > > Update the fail_nth test to succeed on 6.17 kernels. > > Jason Gunthorpe (3): > iommufd: Fix race during abort for file descriptors > iommufd: WARN if an object is aborted with an elevated refcount > iommufd/selftest: Update the fail_nth limit
Sanity runs without a problem. Tested-by: Nicolin Chen <[email protected]>
