Re: shebanged script not executed right - wth

On Sat, Aug 9, 2025 at 9:05 AM Dag-Erling Smørgrav <des@freebsd.org> wrote:

>
> I found the place in the code that prevents double indirection, in
> sys/kern/imgact_shell.c:
>
>         /*
>          * Don't allow a shell script to be the shell for a shell
>          *      script. :-)
>          */
>         if (imgp->interpreted & IMGACT_SHELL)
>                 return (ENOEXEC);
>
> We could remove this with no ill effects, but I'm not sure we want to.


Loop detection?  Privilege escalation prevention?  I might be entirely
wrong, but the potential hazards seem to outweigh any possibly benefit.