Re: [syzbot] [nbd?] possible deadlock in nbd_queue_rq
From: syzbot
Date: Tue Sep 16 2025 - 14:18:15 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=11eef762580000
start commit: f83ec76bf285 Linux 6.17-rc6
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=13eef762580000
console output: https://syzkaller.appspot.com/x/log.txt?x=15eef762580000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f01d8629880e620
dashboard link: https://syzkaller.appspot.com/bug?extid=3dbc6142c85cc77eaf04
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1009bb62580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14833b12580000
Reported-by: syzbot+3dbc6142c85cc77eaf04@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: ffa1e7ada456 ("block: Make request_queue lockdep splats show up earlier")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection