[PATCH] wifi: mt76: Replace strlcpy with strscpy

Kees Cook keescook at chromium.org
Thu Jul 27 10:01:37 PDT 2023


On Thu, Jul 27, 2023 at 07:00:21PM +0300, Kalle Valo wrote:
> Kees Cook <keescook at chromium.org> writes:
> 
> > On Mon, 03 Jul 2023 18:12:56 +0000, Azeem Shaikh wrote:
> >> strlcpy() reads the entire source buffer first.
> >> This read may exceed the destination size limit.
> >> This is both inefficient and can lead to linear read
> >> overflows if a source string is not NUL-terminated [1].
> >> In an effort to remove strlcpy() completely [2], replace
> >> strlcpy() here with strscpy().
> >> 
> >> [...]
> >
> > Applied, thanks!
> >
> > [1/1] wifi: mt76: Replace strlcpy with strscpy
> >       https://git.kernel.org/kees/c/535c78cbc0c4
> 
> Why did you take this? mt76 is in active development so risk of
> conflicts is high.

There didn't seem to be any further activity for 3 weeks, and it was a
relatively mechanical change. I can drop it from my tree. What's needed
for it to be picked up through wireless?

-Kees

-- 
Kees Cook



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