Re: [syzbot] [iommu?] UBSAN: shift-out-of-bounds in iova_bitmap_alloc

[syzbot]

Hello,

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

Reported-by: syzbot+85992ace37d5b7b51635@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+85992ace37d5b7b51635@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         b62cef9a Merge tag 'hwmon-for-v6.13-rc7' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11520a18580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4ef22c4fce5135b4
dashboard link: https://syzkaller.appspot.com/bug?extid=85992ace37d5b7b51635
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=109431df980000

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