Re: [syzbot] [usb?] [block?] WARNING: bad unlock balance in blk_mq_update_tag_set_shared

From: syzbot
Date: Tue Dec 24 2024 - 16:52:21 EST


syzbot has bisected this issue to:

commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d
Author: Ming Lei <ming.lei@xxxxxxxxxx>
Date: Fri Oct 25 00:37:20 2024 +0000

block: model freeze & enter queue as lock for supporting lockdep

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1064ffe8580000
start commit: c88416ba074a Add linux-next specific files for 20241101
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1264ffe8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1464ffe8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=704b6be2ac2f205f
dashboard link: https://syzkaller.appspot.com/bug?extid=5007209c85ecdb50b5da
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d34740580000

Reported-by: syzbot+5007209c85ecdb50b5da@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f1be1788a32e ("block: model freeze & enter queue as lock for supporting lockdep")

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