linux-kernel - Re: [syzbot] [block?] possible deadlock in loop_set

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Message-ID: <6814b1a6.050a0220.33cf57.0000.GAE@google.com>
Date: Fri, 02 May 2025 04:51:02 -0700
From: syzbot <syzbot+9b145229d11aa73e4571@...kaller.appspotmail.com>
To: axboe@...nel.dk, hdanton@...a.com, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org, ming.lei@...hat.com, 
	syzkaller-bugs@...glegroups.com, thomas.hellstrom@...ux.intel.com
Subject: Re: [syzbot] [block?] possible deadlock in loop_set_status

syzbot has bisected this issue to:

commit ffa1e7ada456087c2402b37cd6b2863ced29aff0
Author: Thomas Hellström <thomas.hellstrom@...ux.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=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@...kaller.appspotmail.com
Fixes: ffa1e7ada456 ("block: Make request_queue lockdep splats show up earlier")

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