Re: [syzbot] [block?] possible deadlock in blk_mq_freeze_queue_nomemsave

syzbot
2025-04-04T05:40:04Z

syzbot has bisected this issue to:

commit ffa1e7ada456087c2402b37cd6b2863ced29aff0
Author: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Date: Tue Mar 18 09:55:48 2025 +0000

block: Make request_queue lockdep splats show up earlier

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=172e2fb0580000
start commit: 92b71befc349 Merge tag 'objtool-urgent-2025-04-01' of git:..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=14ae2fb0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10ae2fb0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=47cc4b0c03278250
dashboard link: https://syzkaller.appspot.com/bug?extid=9dd7dbb1a4b915dee638
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1680d998580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1180d998580000

Reported-by: syzbot+9dd7dbb1a4b915dee638@syzkaller.appspotmail.com
Fixes: ffa1e7ada456 ("block: Make request_queue lockdep splats show up earlier")

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