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

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Date:   Fri, 23 Oct 2020 02:34:09 -0700
From:   syzbot <syzbot+60b38542a0dfb2e0f746@...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_newlstat

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=103fa33c500000
start commit:   eff48dde Merge tag 'trace-v5.9-rc5' of git://git.kernel.or..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc
dashboard link: https://syzkaller.appspot.com/bug?extid=60b38542a0dfb2e0f746
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ddd69b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=179a69ab900000

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