[PATCH] evh_bytechan: fix out of bounds accesses

[Timur Tabi]

On 1/13/20 6:26 AM, Michael Ellerman wrote:
> I've never heard of it, and I have no idea how to test it.
> 
> It's not used by qemu, I guess there is/was a Freescale hypervisor that
> used it.

Yes, there is/was a Freescale hypervisor that I and a few others worked 
on.  I've added a couple people on CC that might be able to tell the 
current disposition of it.

> But maybe it's time to remove it if it's not being maintained/used by
> anyone?

I wouldn't be completely opposed to that if there really are no more 
users.  There really weren't any users even when I wrote the driver.

I haven't had a chance to study the patch, but my first instinct is that 
there's got to be a better way to fix this than introducing a memcpy.