Re: [PATCH 0/3] kernfs: Convert from strlcpy() to strscpy()

[Greg Kroah-Hartman]

On Thu, Nov 16, 2023 at 11:21:22AM -0800, Kees Cook wrote:
> Hi,
> 
> One of the last users of strlcpy() is kernfs, which has some complex
> calling hierarchies that needed to be carefully examined. This series
> refactors the strlcpy() calls into strscpy() calls, and bubbles up all
> changes in return value checking for callers.

Why not work instead to convert kernfs (and by proxy cgroups) to use the
"safe" string functions based on seq_file?  This should be a simpler
patch series to review, and implement on a per-function basis, and then
we would not have any string functions in kernfs anymore.

thanks,

greg k-h