linux-kernel - Re: [syzbot] WARNING: still has locks held in io_sq

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Date:   Mon, 29 Mar 2021 11:00:05 -0700
From:   syzbot <syzbot+796d767eb376810256f5@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, bp@...en8.de,
        hpa@...or.com, io-uring@...r.kernel.org, jmattson@...gle.com,
        joro@...tes.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mark.rutland@....com, mingo@...hat.com, pbonzini@...hat.com,
        peterz@...radead.org, seanjc@...gle.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        vkuznets@...hat.com, wanpengli@...cent.com, will@...nel.org,
        x86@...nel.org
Subject: Re: [syzbot] WARNING: still has locks held in io_sq_thread

syzbot has bisected this issue to:

commit c8cc7e853192d520ab6a5957f5081034103587ae
Author: Peter Zijlstra <peterz@...radead.org>
Date:   Tue Feb 9 08:30:03 2021 +0000

    lockdep: Noinstr annotate warn_bogus_irq_restore()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=152deb3ad00000
start commit:   81b1d39f Merge tag '5.12-rc4-smb3' of git://git.samba.org/..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=172deb3ad00000
console output: https://syzkaller.appspot.com/x/log.txt?x=132deb3ad00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d4e9addca54f3b44
dashboard link: https://syzkaller.appspot.com/bug?extid=796d767eb376810256f5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17d06ddcd00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=150764bed00000

Reported-by: syzbot+796d767eb376810256f5@...kaller.appspotmail.com
Fixes: c8cc7e853192 ("lockdep: Noinstr annotate warn_bogus_irq_restore()")

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