Re: usb/uwb: GPF in uwbd_start

From: Greg Kroah-Hartman
Date: Tue Sep 12 2017 - 15:55:44 EST


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