On 12/12/2016 04:40 PM, Fabian Vogt wrote: > Hi, > > (sorry for the missing message ID, I wasn't subscribed to this list > beforehand so I did not get the original message) > > On Fri, Dec 09, 2016 at 12:38:23AM +0100, Andrey Konovalov wrote: >> Hi, >> >> I'm working on a way to extend syzkaller [1] to support fuzzing of the >> USB subsystem. The idea is to be able to emulate various USB devices >> and fuzz communication between the emulated device and the kernel. I'm >> looking for a way to emulate devices from userspace. Similar to how >> tuntap allows to create virtual network interfaces and emit ethernet >> traffic by writing to /dev/net/tun. > > FYI: > > I've started working on a similiar project a week ago, although it's > structured a bit differently. It's made so that a USB gadget device > is used to fuzz arbitrary USB hosts. > > On the one side, it uses the usbredir protocol that is used by > vUSBf (https://github.com/schumilo/vUSBf) and on the other side it > uses usb_gadget configfs (libcomposite) + usb functionfs for the > gadget. > > This means it can also be used to forward a physical USB device over > network to a physical USB host, which makes it useful beyond > fuzzing as well. That's already implemented and called vUDC;) Best regards, -- Krzysztof Opasiak Samsung R&D Institute Poland Samsung Electronics -- 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