Re: [PATCH] usb: mon: Fix slab-out-of-bounds in mon_bin_event due to unsafe URB transfer_buffer access

[Lecomte, Arnaud]

It clarifies things and makes more sense now.
Appreciate the explanation :), thanks for your time

Arnaud

On 21/07/2025 14:51, Alan Stern wrote:
> On Mon, Jul 21, 2025 at 09:22:40AM +0100, Lecomte, Arnaud wrote:
> > Hi Alan, thanks for your reply.
> >
> > Your point raises an important question for me: Is there a specific reason
> > why we don’t have
> >   a synchronization mechanism in place to protect the URB's transfer buffer ?
> Protect it from what?  Access by some driver at an inappropriate time?
> Drivers are supposed to know (and this is alluded to in the kerneldoc
> for usb_submit_urb()) that they aren't allowed to touch the transfer
> buffer while an URB is queued.
>
> Alan Stern