linux-kernel - Re: [PATCH 2/2] RISC-V: Add support for SECCOMP

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Message-ID: <CAGXu5j+N5Du=c-dfGd-_rLjE3NEeN+MXTsKjt2APA1U1xwwSag@mail.gmail.com>
Date:   Wed, 24 Oct 2018 15:34:45 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Palmer Dabbelt <palmer@...ive.com>
Cc:     linux-riscv@...ts.infradead.org, Albert Ou <aou@...s.berkeley.edu>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>,
        Wesley Terpstra <wesley@...ive.com>,
        David Howells <dhowells@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Audit <linux-audit@...hat.com>,
        david.abdurachmanov@...il.com
Subject: Re: [PATCH 2/2] RISC-V: Add support for SECCOMP

On Wed, Oct 24, 2018 at 2:42 PM, Kees Cook <keescook@...omium.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