Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
In-Reply-To: <CAGXu5jJ7gmVXZE+iksW99c6bHEV2rSOG+boQDRGmMSDa9HOh_A@mail.gmail.com>
References: <CAEn-LTqbEmWovu4t7Rs4C211+GRRU4V3B=+WmW0SOhX_b8db5Q@mail.gmail.com>
 <20181024204036.8799-1-palmer@sifive.com> <20181024204036.8799-3-palmer@sifive.com>
 <CAGXu5jJ7gmVXZE+iksW99c6bHEV2rSOG+boQDRGmMSDa9HOh_A@mail.gmail.com>
From:   Kees Cook <keescook@chromium.org>
Date:   Wed, 24 Oct 2018 15:34:45 -0700
Message-ID: <CAGXu5j+N5Du=c-dfGd-_rLjE3NEeN+MXTsKjt2APA1U1xwwSag@mail.gmail.com>
Subject: Re: [PATCH 2/2] RISC-V: Add support for SECCOMP
To:     Palmer Dabbelt <palmer@sifive.com>
Cc:     linux-riscv@lists.infradead.org, Albert Ou <aou@eecs.berkeley.edu>,
        Paul Moore <paul@paul-moore.com>,
        Eric Paris <eparis@redhat.com>,
        Andy Lutomirski <luto@amacapital.net>,
        Will Drewry <wad@chromium.org>,
        Wesley Terpstra <wesley@sifive.com>,
        David Howells <dhowells@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Philippe Ombredanne <pombredanne@nexb.com>,
        Greg KH <gregkh@linuxfoundation.org>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux Audit <linux-audit@redhat.com>,
        david.abdurachmanov@gmail.com
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, Oct 24, 2018 at 2:42 PM, Kees Cook <keescook@chromium.org> wrote:
> config HAVE_ARCH_SECCOMP_FILTER
>         bool
>         help
>           An arch should select this symbol if it provides all of these things:
>           - syscall_get_arch()
>           - syscall_get_arguments()
>           - syscall_rollback()
>           - syscall_set_return_value()
>           - SIGSYS siginfo_t support
>           - secure_computing is called from a ptrace_event()-safe context
>           - secure_computing return value is checked and a return value of -1
>             results in the system call being skipped immediately.
>           - seccomp syscall wired up

Oh, and I should add to this list, "passes
tools/testing/selftests/seccomp/seccomp_bpf test". :)

-- 
Kees Cook