linux-kernel - Re: usb/uwb: GPF in uwbd

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Date:   Tue, 12 Sep 2017 12:55:17 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Johan Hovold <johan@...nel.org>,
        USB list <linux-usb@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: usb/uwb: GPF in uwbd_start

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