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

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Message-ID: <1574247349.14298.30.camel@suse.com>
Date:   Wed, 20 Nov 2019 11:55:49 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Stephen Boyd <swboyd@...omium.org>, alexandre.belloni@...tlin.com,
        andreyknvl@...gle.com, arnd@...db.de, b.zolnierkie@...sung.com,
        gregkh@...uxfoundation.org, herbert@...dor.apana.org.au,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, lvivier@...hat.com,
        mchehab+samsung@...nel.org, mpm@...enic.com,
        syzbot <syzbot+f41c4f7c6d8b0b778780@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in chaoskey_disconnect

Am Freitag, den 15.11.2019, 09:51 -0800 schrieb Stephen Boyd:
> Quoting syzbot (2019-11-06 04:32:09)
> > Hello,
> > 
> > syzbot found the following crash on:
> > 
> > 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=16ae2adce00000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=79de80330003b5f7
> > dashboard link: https://syzkaller.appspot.com/bug?extid=f41c4f7c6d8b0b778780
> > compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10248158e00000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16afbf7ce00000
> > 
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+f41c4f7c6d8b0b778780@...kaller.appspotmail.com
> 
> I suspect this is because of the kthread getting stuck problem reported
> by Maciej. Maybe try the commit that Herbert picked up.

Do you have a commit ID so we can test an exported patch?

	Regards
		Oliver