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d4c7fccfa7
Two user triggerable UAFs:
- Possible race UAF setting up mmaps
- Syzkaller found UAF when erroring an file descriptor creation ioctl due
to the fput() work queue.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
"Fix two user triggerable use-after-free issues:
- Possible race UAF setting up mmaps
- Syzkaller found UAF when erroring an file descriptor creation ioctl
due to the fput() work queue"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd/selftest: Update the fail_nth limit
iommufd: WARN if an object is aborted with an elevated refcount
iommufd: Fix race during abort for file descriptors
iommufd: Fix refcounting race during mmap