On Tue, Sep 12, 2017 at 9:55 PM, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > 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? Just mailed a patch. > > And I'm guessing you really don't have the real hardware for this > device, right? I don't have a hardware reproducer, but making it is just a question of effort. There's the Facedancer21 board [1], which can be used to emulate arbitrary USB devices. It's also possible to do this with with something like Raspberry Pi Zero in USB gadget mode through gadgetfs. [1] https://int3.cc/products/facedancer21 > > thanks, > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
