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List:       linux-parisc
Subject:    Re: [PATCH 11/14] s390/ptrace: run seccomp after ptrace
From:       Martin Schwidefsky <schwidefsky () de ! ibm ! com>
Date:       2016-06-10 10:51:58
Message-ID: 20160610125158.16dd5497 () mschwide
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On Thu,  9 Jun 2016 14:02:01 -0700
Kees Cook <keescook@chromium.org> wrote:

> Close the hole where ptrace can change a syscall out from under seccomp.
> 
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: linux-s390@vger.kernel.org
> ---
>  arch/s390/kernel/ptrace.c | 21 +++++++++------------
>  1 file changed, 9 insertions(+), 12 deletions(-)

If the change in semantics in regard to the audit of skipped system calls
is acceptable, the modified s390 arch code is ok.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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