netdev - Re: INFO: rcu detected stall in vhost

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Date:   Fri, 26 Jul 2019 08:26:01 -0700
From:   syzbot <syzbot+36e93b425cd6eb54fcc1@...kaller.appspotmail.com>
To:     jasowang@...hat.com, kvm@...r.kernel.org,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        michal.lkml@...kovi.net, mst@...hat.com, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org,
        virtualization@...ts.linux-foundation.org,
        yamada.masahiro@...ionext.com
Subject: Re: INFO: rcu detected stall in vhost_worker

syzbot has bisected this bug to:

commit 0ecfebd2b52404ae0c54a878c872bb93363ada36
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Sun Jul 7 22:41:56 2019 +0000

     Linux 5.2

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=118810bfa00000
start commit:   13bf6d6a Add linux-next specific files for 20190725
git tree:       linux-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=8ae987d803395886
dashboard link: https://syzkaller.appspot.com/bug?extid=36e93b425cd6eb54fcc1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15112f3fa00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=131ab578600000

Reported-by: syzbot+36e93b425cd6eb54fcc1@...kaller.appspotmail.com
Fixes: 0ecfebd2b524 ("Linux 5.2")

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