From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Kees Cook <keescook@chromium.org>
Cc: linux-kernel@vger.kernel.org,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-s390@vger.kernel.org, Andy Lutomirski <luto@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Chris Metcalf <cmetcalf@mellanox.com>,
Helge Deller <deller@gmx.de>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
James Hogan <james.hogan@imgtec.com>,
Jeff Dike <jdike@addtoit.com>,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mips@linux-mips.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
"Maciej W. Rozycki" <macro@imgtec.com>,
Mark Rutland <mark.rutland@arm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>,
Ralf Baechle <ralf@linux-mips.org>,
Ri
Subject: Re: [PATCH 11/14] s390/ptrace: run seccomp after ptrace
Date: Fri, 10 Jun 2016 12:51:58 +0200 [thread overview]
Message-ID: <20160610125158.16dd5497@mschwide> (raw)
In-Reply-To: <1465506124-21866-12-git-send-email-keescook@chromium.org>
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.
next prev parent reply other threads:[~2016-06-10 10:51 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160609210150.02iS_UclFlk_k7F0bR5WeuTNvzgPV0QghkKvuUN5tIY@z>
2016-06-09 21:01 ` [PATCH 00/14] run seccomp after ptrace Kees Cook
[not found] ` <20160609210151.wY7r1jw5K8xeUNCEJmr9EUt6_YWJe34oTtadbXudu3c@z>
2016-06-09 21:01 ` [PATCH 01/14] seccomp: add tests for ptrace hole Kees Cook
[not found] ` <20160609210152.edXN5td_n_Bis1qhyhhnsh3K6XHfN7HxTRHpDbRSdWE@z>
2016-06-09 21:01 ` [PATCH 02/14] seccomp: Add a seccomp_data parameter secure_computing() Kees Cook
[not found] ` <20160609210153.BJ11_uq2ikL9pQKfBqCET0aHxkBRAXQj0MKFhCwU_HA@z>
2016-06-09 21:01 ` [PATCH 03/14] x86/entry: Get rid of two-phase syscall entry work Kees Cook
2016-06-09 21:01 ` [PATCH 04/14] seccomp: remove 2-phase API Kees Cook
[not found] ` <20160609210155.K_X-rqF7-klzYm1ai2IK7iH182VEO2fxDfEmT3MQEZI@z>
2016-06-09 21:01 ` [PATCH 05/14] seccomp: recheck the syscall after RET_TRACE Kees Cook
2016-06-09 22:46 ` Andy Lutomirski
2016-06-09 21:01 ` [PATCH 06/14] x86/ptrace: run seccomp after ptrace Kees Cook
2016-06-09 22:52 ` Andy Lutomirski
2016-06-10 2:01 ` Kees Cook
2016-06-14 2:27 ` Andy Lutomirski
2016-06-09 21:01 ` [PATCH 07/14] arm/ptrace: " Kees Cook
2016-06-09 21:01 ` [PATCH 08/14] arm64/ptrace: " Kees Cook
2016-06-09 21:01 ` [PATCH 09/14] MIPS/ptrace: " Kees Cook
2016-06-09 21:02 ` [PATCH 10/14] parisc/ptrace: " Kees Cook
[not found] ` <20160609210201.Hu_D_1eK9Yd13IIzyOuO-xbcqtl3euj0e-_8XojxVRA@z>
2016-06-09 21:02 ` [PATCH 11/14] s390/ptrace: " Kees Cook
2016-06-10 10:51 ` Martin Schwidefsky [this message]
[not found] ` <20160609210202.B5BzbBxK7f4zHGjVA5R7YMb9RBk5Txc940xHfuYhPsQ@z>
2016-06-09 21:02 ` [PATCH 12/14] powerpc/ptrace: " Kees Cook
2016-06-09 21:02 ` [PATCH 13/14] tile/ptrace: " Kees Cook
[not found] ` <20160609210204.ZdmFDgRqxJbnsDo8OHw_X98phKMFf9sFUP8eRBT9Lsg@z>
2016-06-09 21:02 ` [PATCH 14/14] um/ptrace: " Kees Cook
2016-06-13 20:50 ` [PATCH 00/14] " Kees Cook
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