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

From: syzbot
Date: Fri May 02 2025 - 07:51:14 EST


syzbot has bisected this issue to:

commit ffa1e7ada456087c2402b37cd6b2863ced29aff0
Author: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
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=1411b774580000
start commit: f1a3944c860b Merge tag 'bpf-fixes' of git://git.kernel.org..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1611b774580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1211b774580000
kernel config: https://syzkaller.appspot.com/x/.config?x=90837c100b88a636
dashboard link: https://syzkaller.appspot.com/bug?extid=9b145229d11aa73e4571
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=163650d4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11652270580000

Reported-by: syzbot+9b145229d11aa73e4571@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: ffa1e7ada456 ("block: Make request_queue lockdep splats show up earlier")

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