linux-kernel - Re: [PATCH v3 0/4] um: Add seccomp support

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Date:	Mon, 4 Jan 2016 12:13:39 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Mickaël Salaün <mic@...ikod.net>
Cc:	LKML <linux-kernel@...r.kernel.org>, Jeff Dike <jdike@...toit.com>,
	Richard Weinberger <richard@....at>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Will Drewry <wad@...omium.org>,
	Shuah Khan <shuahkh@....samsung.com>,
	Chris Metcalf <cmetcalf@...hip.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	James Hogan <james.hogan@...tec.com>,
	Thomas Meyer <thomas@...3r.de>,
	Nicolas Iooss <nicolas.iooss_linux@....org>,
	Anton Ivanov <aivanov@...cade.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	Meredydd Luff <meredydd@...atehouse.org>,
	David Drysdale <drysdale@...gle.com>
Subject: Re: [PATCH v3 0/4] um: Add seccomp support

On Tue, Dec 29, 2015 at 12:35 PM, Mickaël Salaün <mic@...ikod.net> wrote:
> This series add seccomp support to User-mode Linux (i386 and x86_64
> subarchitectures) and fix ptrace issues. This apply on v4.4-rc7 and pass all
> the 48 tests from selftest/seccomp plus the UML ptsc test.
>
> Changes since v2:
> * remove get_syscall() from os.h and don't include it in syscall.c [1/4]
> * rebase to v4.4-rc7
>
> Changes since v1; addressed Richard Weinberger's comments:
> * fix a new PTRACE_SETREGS bug on x86_64 [1/4]
> * fix an old PTRACE_SETREGS bug when updating orig_ax on i386 [1/4]

Thanks for working on this!

Acked-by: Kees Cook <keescook@...omium.org>

Feel free to pull this through the uml tree.

Thanks!

-Kees

>
> Regards,
>  Mickaël
>
> Mickaël Salaün (4):
>   um: Fix ptrace GETREGS/SETREGS bugs
>   selftests/seccomp: Remove the need for HAVE_ARCH_TRACEHOOK
>   um: Add full asm/syscall.h support
>   um: Add seccomp support
>
>  .../seccomp/seccomp-filter/arch-support.txt        |   2 +-
>  arch/um/Kconfig.common                             |   1 +
>  arch/um/Kconfig.um                                 |  16 +++
>  arch/um/include/asm/syscall-generic.h              | 138 +++++++++++++++++++++
>  arch/um/include/asm/thread_info.h                  |   2 +
>  arch/um/include/shared/os.h                        |   1 -
>  arch/um/kernel/skas/syscall.c                      |  31 +++--
>  arch/um/os-Linux/skas/process.c                    |   7 --
>  arch/x86/um/asm/syscall.h                          |   1 +
>  arch/x86/um/ptrace_32.c                            |   8 +-
>  tools/testing/selftests/seccomp/seccomp_bpf.c      |  27 +++-
>  11 files changed, 205 insertions(+), 29 deletions(-)
>  create mode 100644 arch/um/include/asm/syscall-generic.h
>
> --
> 2.6.4
>



-- 
Kees Cook
Chrome OS & Brillo Security
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