Re: [PATCH] dlm: Replace all non-returning strlcpy with strscpy

[Azeem Shaikh]

On Thu, May 11, 2023 at 12:26 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> On Wed, May 10, 2023 at 10:12:37PM +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().
> > No return values were used, so direct replacement is safe.
> >
> > [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
> > [2] https://github.com/KSPP/linux/issues/89
> >
> > Signed-off-by: Azeem Shaikh <azeemshaikh38@xxxxxxxxx>
>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
>
> --
> Kees Cook

Friendly ping on this.