netdev - Re: INFO: rcu detected stall in sock

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Date:   Fri, 15 Jan 2021 14:07:13 -0800
From:   syzbot <syzbot+4168fa4c45be33afa73c@...kaller.appspotmail.com>
To:     Markus.Elfring@....de, axboe@...nel.dk,
        christian.brauner@...ntu.com, davem@...emloft.net,
        ebiederm@...ssion.com, fweisbec@...il.com, hdanton@...a.com,
        jmaloy@...hat.com, kuba@...nel.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, netdev@...r.kernel.org, oleg@...hat.com,
        pcc@...gle.com, peterz@...radead.org,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        tipc-discussion@...ts.sourceforge.net, tuong.t.lien@...tech.com.au,
        ying.xue@...driver.com
Subject: Re: INFO: rcu detected stall in sock_close (3)

syzbot suspects this issue was fixed by commit:

commit 98b89b649fce39dacb9dc036d6d0fdb8caff73f7
Author: Jens Axboe <axboe@...nel.dk>
Date:   Fri Oct 9 22:03:01 2020 +0000

    signal: kill JOBCTL_TASK_WORK

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14b99c20d00000
start commit:   7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=183dd243398ba7ec
dashboard link: https://syzkaller.appspot.com/bug?extid=4168fa4c45be33afa73c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=112223b7100000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=154793a3100000

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

#syz fix: signal: kill JOBCTL_TASK_WORK

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