Re: [syzbot] Monthly iommu report (May 2023)

From: Jason Gunthorpe
Date: Mon May 15 2023 - 08:57:01 EST


On Mon, May 08, 2023 at 01:58:35PM -0700, syzbot wrote:
> 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

These were all found and fixed before syzbot got to them, v6.4-rc1 has
everything.

Jason