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To:     alexandre.belloni@bootlin.com, andreyknvl@google.com,
        arnd@arndb.de, b.zolnierkie@samsung.com,
        gregkh@linuxfoundation.org, herbert@gondor.apana.org.au,
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        syzbot <syzbot+f41c4f7c6d8b0b778780@syzkaller.appspotmail.com>,
        syzkaller-bugs@googlegroups.com
Subject: Re: INFO: task hung in chaoskey_disconnect
From:   Stephen Boyd <swboyd@chromium.org>
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Date:   Fri, 15 Nov 2019 09:51:21 -0800
Sender: linux-crypto-owner@vger.kernel.org
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Quoting syzbot (2019-11-06 04:32:09)
> Hello,
>=20
> syzbot found the following crash on:
>=20
> HEAD commit:    b1aa9d83 usb: raw: add raw-gadget interface
> git tree:       https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=3D16ae2adce00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3D79de80330003b=
5f7
> dashboard link: https://syzkaller.appspot.com/bug?extid=3Df41c4f7c6d8b0b7=
78780
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D10248158e00=
000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D16afbf7ce00000
>=20
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+f41c4f7c6d8b0b778780@syzkaller.appspotmail.com

I suspect this is because of the kthread getting stuck problem reported
by Maciej. Maybe try the commit that Herbert picked up.

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6=
.git linus