Re: [syzbot] [iommu?] WARNING in iommufd_device_unbind

[syzbot]

Hello,

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

Reported-by: syzbot+c92878e123785b1fa2db@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+c92878e123785b1fa2db@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         228a1157 Merge tag '6.13-rc-part1-SMB3-client-fixes' o..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17ab7b78580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=402159daa216c89d
dashboard link: https://syzkaller.appspot.com/bug?extid=c92878e123785b1fa2db
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=121981c0580000

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