Re: [syzbot] INFO: task hung in scsi_remove_host

From: Bart Van Assche
Date: Mon Aug 22 2022 - 17:20:34 EST


On 8/22/22 13:47, syzbot wrote:
syzbot has bisected this issue to:

commit ae643a74ebdb150b004601d0d5fe5a1faba9b04d
Author: Qu Wenruo <wqu@xxxxxxxx>
Date: Sun May 22 11:47:48 2022 +0000

btrfs: introduce a data checksum checking helper

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=176ef485080000
start commit: e3f259d33c0e Merge tag 'i2c-for-6.0-rc2' of git://git.kern..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=14eef485080000
console output: https://syzkaller.appspot.com/x/log.txt?x=10eef485080000
kernel config: https://syzkaller.appspot.com/x/.config?x=3bd9363f7b80ef9c
dashboard link: https://syzkaller.appspot.com/bug?extid=bafeb834708b1bb750bc
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=108e1a3d080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154720f3080000

Reported-by: syzbot+bafeb834708b1bb750bc@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: ae643a74ebdb ("btrfs: introduce a data checksum checking helper")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Qu, feel free to ignore the above bisection result. I think it is wrong.

Bart.