[syzbot] Monthly iommu report (May 2023)

[syzbot]

Hello iommu maintainers/developers,

This is a 31-day syzbot report for the iommu subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/iommu

During the period, 2 new issues were detected and 0 were fixed.
In total, 3 issues are still open and 3 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 67      Yes   WARNING in iommufd_hw_pagetable_detach
                  https://syzkaller.appspot.com/bug?extid=3b81771e32dd5b2f9931
<2> 2       Yes   WARNING in iommufd_test_check_pages
                  https://syzkaller.appspot.com/bug?extid=353c7be4964c6253f24a
<3> 1       Yes   WARNING in iommufd_test
                  https://syzkaller.appspot.com/bug?extid=94646b0ed2dcbb1f9c2f

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