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Date: Tue, 12 Sep 2017 12:55:17 -0700
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Johan Hovold <johan@kernel.org>, USB list <linux-usb@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>, Kostya Serebryany <kcc@google.com>,
        syzkaller <syzkaller@googlegroups.com>
Subject: Re: usb/uwb: GPF in uwbd_start
Message-ID: <20170912195517.GA6544@kroah.com>
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On Tue, Sep 12, 2017 at 07:10:07PM +0200, Andrey Konovalov wrote:
> Hi!
> 
> I've got the following crashes while fuzzing the kernel with syzkaller.
> 
> On commit 81a84ad3cb5711cec79f4dd53a4ce026b092c432 (Sep 3).
> 
> uwbd_start() calls kthread_run() and checks that the return value in
> not NULL. But the return value is not NULL in case kthread_run()
> fails, it takes the form of ERR_PTR(-EINTR).

Great, do you want to write a patch for this, or do you want me to?

And I'm guessing you really don't have the real hardware for this
device, right?

thanks,

greg k-h