Re: [syzbot] [iommu?] kernel BUG in trace_dma_unmap_sg

[syzbot]

Hello,

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

Reported-by: syzbot+95e4ef83a3024384ec7a@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+95e4ef83a3024384ec7a@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         11a299a7 Merge tag 'for-6.12/block-20240925' of git://..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1337f907980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=541d4ace1fd6e55b
dashboard link: https://syzkaller.appspot.com/bug?extid=95e4ef83a3024384ec7a
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1147f907980000

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