Re: [PATCH 1/2] kselftest: Add a ksft_perror() helper

From: Kees Cook
Date: Fri Sep 29 2023 - 13:32:01 EST


On Fri, Sep 29, 2023 at 09:50:53AM +0200, Mark Brown wrote:
> On Thu, Sep 28, 2023 at 05:48:22PM -0700, Kees Cook wrote:
>
> > > nolibc doesn't have a strerror() and adding the table of strings required
> > > doesn't seem like a good fit for what it's trying to do so when we're using
> > > that only print the errno.
>
> > Oh, interesting... what environment ends up without strerror()?
>
> Like I say it's for nolibc - it's just some header files (all in the
> kernel source), while it generally aims to be libc compatible it's
> intentionally very small.

Right, I mean, how would one normally encounter this environment? Running
the selftests on m68k userspace or something?

--
Kees Cook