Re: [PATCH 1/2] exec: Add a per bprm->file version of per_clear

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To: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Subject: Re: [PATCH 1/2] exec: Add a per bprm->file version of per_clear
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Fri, 29 May 2020 22:14:53 -0700
Cc: linux-kernel@xxxxxxxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Greg Ungerer <gerg@xxxxxxxxxxxxxx>, Rob Landley <rob@xxxxxxxxxxx>, Bernd Edlinger <bernd.edlinger@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Alexey Dobriyan <adobriyan@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Casey Schaufler <casey@xxxxxxxxxxxxxxxx>, linux-security-module@xxxxxxxxxxxxxxx, James Morris <jmorris@xxxxxxxxx>, "Serge E. Hallyn" <serge@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>
In-reply-to: <87k10unm0h.fsf@x220.int.ebiederm.org>

On Fri, May 29, 2020 at 10:23:58PM -0500, Eric W. Biederman wrote:
> Kees Cook <keescook@xxxxxxxxxxxx> writes:
> > I wish we had more robust execve tests. :(
> 
> I think you have more skill at writing automated tests than I do.  So
> feel free to write some.

Yeah, my limiting factor is available time. No worries; I didn't mean
it as a request to you -- it was more a commiseration. :)

-- 
Kees Cook

References:
- exec: Promised cleanups after introducing exec_update_mutex
  - From: Eric W. Biederman
- [PATCH 0/6] exec: Trivial cleanups for exec
  - From: Eric W. Biederman
- [PATCH 0/5] exec: Control flow simplifications
  - From: Eric W. Biederman
- [PATCH v2 0/8] exec: Control flow simplifications
  - From: Eric W. Biederman
- [PATCH 0/11] exec: cred calculation simplifications
  - From: Eric W. Biederman
- [PATCH 0/2] exec: Remove the computation of bprm->cred
  - From: Eric W. Biederman
- [PATCH 1/2] exec: Add a per bprm->file version of per_clear
  - From: Eric W. Biederman
- Re: [PATCH 1/2] exec: Add a per bprm->file version of per_clear
  - From: Kees Cook
- Re: [PATCH 1/2] exec: Add a per bprm->file version of per_clear
  - From: Eric W. Biederman

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