linux-kernel - Re: WARNING in mark

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Message-ID: <00000000000050221b058c555345@google.com>
Date:   Thu, 27 Jun 2019 15:03:01 -0700
From:   syzbot <syzbot+a861f52659ae2596492b@...kaller.appspotmail.com>
To:     ast@...nel.org, bpf@...r.kernel.org, daniel@...earbox.net,
        dvyukov@...gle.com, ebiggers@...nel.org, john.fastabend@...il.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de
Subject: Re: WARNING in mark_lock

syzbot has bisected this bug to:

commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend <john.fastabend@...il.com>
Date:   Sat Jun 30 13:17:47 2018 +0000

     bpf: sockhash fix omitted bucket lock in sock_close

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1436e7e9a00000
start commit:   dc636f5d Add linux-next specific files for 20190620
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1636e7e9a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1236e7e9a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=99c104b0092a557b
dashboard link: https://syzkaller.appspot.com/bug?extid=a861f52659ae2596492b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=110b24f6a00000

Reported-by: syzbot+a861f52659ae2596492b@...kaller.appspotmail.com
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")

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