Re: [PATCH] scripts: headers_install: Exit with error on config leak

From: Masahiro Yamada
Date: Sat May 02 2020 - 11:04:19 EST


On Sat, May 2, 2020 at 6:55 AM Siddharth Gupta <sidgup@xxxxxxxxxxxxxx> wrote:
>
> Misuse of CONFIG_* in UAPI headers should result in an error as it exposes
> configuration of different targets to userspace.
>
> Signed-off-by: Siddharth Gupta <sidgup@xxxxxxxxxxxxxx>
> ---
> scripts/headers_install.sh | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
> index a07668a..bd6c93a 100755
> --- a/scripts/headers_install.sh
> +++ b/scripts/headers_install.sh
> @@ -109,7 +109,8 @@ do
> done
>
> if [ "$warn" = 1 ]; then
> - echo "warning: $INFILE: leak $c to user-space" >&2
> + echo "error: $INFILE: leak $c to user-space" >&2
> + exit 1
> fi
> done


If you want to change this,
please update the comment at line 67.

Also, rename the variable $warn to
something else, $error or $leak_error, etc. ?



--
Best Regards
Masahiro Yamada