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

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Message-ID: <0000000000002aca3d05b69503ac@google.com>
Date:   Wed, 16 Dec 2020 05:40:03 -0800
From:   syzbot <syzbot+7ee926c5e237e614ccb1@...kaller.appspotmail.com>
To:     bp@...en8.de, davem@...emloft.net, dhowells@...hat.com,
        fweisbec@...il.com, herbert@...dor.apana.org.au, hpa@...or.com,
        linux-afs@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingo@...nel.org, mingo@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: INFO: rcu detected stall in sys_open (2)

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=128ceadf500000
start commit:   c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7
dashboard link: https://syzkaller.appspot.com/bug?extid=7ee926c5e237e614ccb1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1227c177900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13553f60500000

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