linux-kernel - Re: INFO: rcu detected stall in sys

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Date:   Sat, 31 Oct 2020 13:41:05 -0700
From:   syzbot <syzbot+dc8c077c7091175cbdb1@...kaller.appspotmail.com>
To:     dhowells@...hat.com, fweisbec@...il.com,
        linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de
Subject: Re: INFO: rcu detected stall in sys_mount (5)

syzbot suspects this issue was fixed by commit:

commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
Author: David Howells <dhowells@...hat.com>
Date:   Fri Oct 16 12:21:14 2020 +0000

    afs: Fix cell removal

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=132fe914500000
start commit:   02de58b2 Merge tag 'devicetree-fixes-for-5.9-3' of git://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=89ab6a0c48f30b49
dashboard link: https://syzkaller.appspot.com/bug?extid=dc8c077c7091175cbdb1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13a40297900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=110b7a2f900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: afs: Fix cell removal

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