Re: [syzbot] [iommu?] KASAN: slab-use-after-free Read in iommufd_vfio_ioas

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+d31adfb277377ef8fcba@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         8f6f76a6 Merge tag 'mm-nonmm-stable-2023-11-02-14-08' ..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=166db0eb680000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4c856b92a9ee7d89
dashboard link: https://syzkaller.appspot.com/bug?extid=d31adfb277377ef8fcba
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=138b353d680000

Note: testing is done by a robot and is best-effort only.