From: Felipe Balbi
> Sent: 29 July 2016 01:30
...
> > - maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff;
>
> usb_endpoint_maxp() should probably be updated to return only maximum
> packet size. Then we would need to introduce usb_endpoint_mult() or
> something along those lines to tak
On Thu Jul 28 2016 15:56:17 GMT-0400 (EDT), Alan Stern wrote:
> On Thu, 28 Jul 2016, Alan Stern wrote:
>
>> Only bits 10..0 of the wMaxPacketSize field contain the maximum packet
>> size; bits 12..11 contain something else (valid only for high-speed
>> periodic endpoints) and bits 15..13 are res
On Fri, 29 Jul 2016, Felipe Balbi wrote:
> Hi,
>
> Alan Stern writes:
> > On Fri, 29 Jul 2016, Felipe Balbi wrote:
> >
> >> slightly unrelated, but...
> >
> >> > -maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff;
> >>
> >> usb_endpoint_maxp() should probably be updated to retu
Hi,
Alan Stern writes:
> On Fri, 29 Jul 2016, Felipe Balbi wrote:
>
>> slightly unrelated, but...
>
>> > - maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff;
>>
>> usb_endpoint_maxp() should probably be updated to return only maximum
>> packet size. Then we would need to introduce usb
On Fri, 29 Jul 2016, Felipe Balbi wrote:
> slightly unrelated, but...
> > - maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff;
>
> usb_endpoint_maxp() should probably be updated to return only maximum
> packet size. Then we would need to introduce usb_endpoint_mult() or
> something al
Hi,
Alan Stern writes:
> On Thu, 28 Jul 2016, Alan Stern wrote:
>
>> Only bits 10..0 of the wMaxPacketSize field contain the maximum packet
>> size; bits 12..11 contain something else (valid only for high-speed
>> periodic endpoints) and bits 15..13 are reserved (see Table 9-13 in the
>> USB-2.0
Hi,
roswest writes:
> [ Unknown signature status ]
>
> Alan,
>
> Hi, I am an engineer at Cisco Systems, and this summer we tasked some
> interns with performing USB fuzzing. One of the interns, Jake Lamberson,
> was able to cause a kernel panic when emulating an HID keyboard because
> the OHCI d
On Thu, Jul 28, 2016 at 04:01:53PM -0400, Alan Stern wrote:
> On Thu, 28 Jul 2016, Alan Stern wrote:
>
> > On Thu, 28 Jul 2016, Greg KH wrote:
> >
> > > On Thu, Jul 28, 2016 at 12:23:01PM -0400, roswest wrote:
> > > >
> > > > Alan,
> > > >
> > > > Hi, I am an engineer at Cisco Systems, and this
On Thu, 28 Jul 2016, Alan Stern wrote:
> On Thu, 28 Jul 2016, Greg KH wrote:
>
> > On Thu, Jul 28, 2016 at 12:23:01PM -0400, roswest wrote:
> > >
> > > Alan,
> > >
> > > Hi, I am an engineer at Cisco Systems, and this summer we tasked some
> > > interns with performing USB fuzzing. One of the i
On Thu, 28 Jul 2016, Alan Stern wrote:
> Only bits 10..0 of the wMaxPacketSize field contain the maximum packet
> size; bits 12..11 contain something else (valid only for high-speed
> periodic endpoints) and bits 15..13 are reserved (see Table 9-13 in the
> USB-2.0 spec).
>
> Furthermore, the val
Greg,
Oops message attached.
Rosie Hall
On Thu Jul 28 2016 12:45:06 GMT-0400 (EDT), Greg KH wrote:
> On Thu, Jul 28, 2016 at 12:23:01PM -0400, roswest wrote:
>>
>> Alan,
>>
>> Hi, I am an engineer at Cisco Systems, and this summer we tasked some
>> interns with performing USB fuzzing. One of the
On Thu, 28 Jul 2016, Greg KH wrote:
> On Thu, Jul 28, 2016 at 12:23:01PM -0400, roswest wrote:
> >
> > Alan,
> >
> > Hi, I am an engineer at Cisco Systems, and this summer we tasked some
> > interns with performing USB fuzzing. One of the interns, Jake Lamberson,
> > was able to cause a kernel p
On Thu, Jul 28, 2016 at 12:23:01PM -0400, roswest wrote:
>
> Alan,
>
> Hi, I am an engineer at Cisco Systems, and this summer we tasked some
> interns with performing USB fuzzing. One of the interns, Jake Lamberson,
> was able to cause a kernel panic when emulating an HID keyboard because
> the O
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