linux-kernel - Re: INFO: task hung in tls_sk_proto

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Date:   Sat, 29 Aug 2020 11:23:07 -0700
From:   syzbot <syzbot+ca1345cca66556f3d79b@...kaller.appspotmail.com>
To:     a@...table.cc, aviadye@...lanox.com, aviadye@...dia.com,
        b.a.t.m.a.n@...ts.open-mesh.org, borisp@...lanox.com,
        borisp@...dia.com, daniel@...earbox.net, davem@...emloft.net,
        idosch@...lanox.com, john.fastabend@...il.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, mareklindner@...mailbox.ch,
        netdev@...r.kernel.org, petrm@...lanox.com, sw@...onwunderlich.de,
        syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in tls_sk_proto_close

syzbot has bisected this issue to:

commit 02d21b59d5cc4b4b395bbc2a29319b8a529ebeff
Author: Ido Schimmel <idosch@...lanox.com>
Date:   Wed Jan 23 14:32:59 2019 +0000

    mlxsw: spectrum_nve: Enable VXLAN on Spectrum-2

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14e89b05900000
start commit:   5438dd45 net_sched: fix error path in red_init()
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16e89b05900000
console output: https://syzkaller.appspot.com/x/log.txt?x=12e89b05900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a0437fdd630bee11
dashboard link: https://syzkaller.appspot.com/bug?extid=ca1345cca66556f3d79b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14acdfe5900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1792598e900000

Reported-by: syzbot+ca1345cca66556f3d79b@...kaller.appspotmail.com
Fixes: 02d21b59d5cc ("mlxsw: spectrum_nve: Enable VXLAN on Spectrum-2")

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