Re: [PATCH v1 1/3] policycoreutils/setfiles: reject invalid -T arguments

On Tue, Aug 18, 2026 at 3:24 PM jboero <[email protected]> wrote:
>
> From: Johnny Boero <[email protected]>
>
> The -T option is parsed with strtoull(3), which happily accepts leading
> whitespace, a sign and, in particular, negative values: "-T -1" wraps
> around to SIZE_MAX threads, which then fails a calloc(3) of SIZE_MAX
> pthread_t entries rather than reporting a usage error.
>
> Factor the parsing out into a helper and reject anything that is not a
> plain decimal thread count.
>
> Signed-off-by: Johnny Boero <[email protected]>

Acked-by: Stephen Smalley <[email protected]>