Re: [PATCH] string: use strnlen in strlcat

[Andy Shevchenko]

On Fri, May 01, 2026 at 11:55:33AM +0300, Andy Shevchenko wrote:
> On Thu, Apr 30, 2026 at 11:53 PM Thorsten Blum <thorsten.blum@xxxxxxxxx> wrote:
> >
> > Use strnlen() to limit the destination scan to the provided buffer size.
> > Remove the redundant comment.
> 
> Please, do not spend time on amending strlcat(). This function must
> die. Instead, convert current users to use alternative ways.

Note, there is a patch by Kees to address this in partitions framework
(vast of the users of strlcat() in the kernel). Not sure if it's already
pending in Linux Next or not yet.

I have done a simple one in ACPI recently (in upstream already I believe).
So, you can use those two examples and continue killing strlcat().

-- 
With Best Regards,
Andy Shevchenko