netdev - Re: [PATCH v2 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU

Open Source and information security mailing list archives

Message-ID: <CAAhSdy0p4g1o2xLbHXzMer7P=DgLjYfbiO4nYTU1gqPbLgLUKg@mail.gmail.com>
Date:   Fri, 2 Apr 2021 09:44:22 +0530
From:   Anup Patel <anup@...infault.org>
To:     Jisheng Zhang <jszhang3@...l.ustc.edu.cn>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Björn Töpel <bjorn@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Luke Nelson <luke.r.nels@...il.com>,
        Xi Wang <xi.wang@...il.com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
        kasan-dev@...glegroups.com, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH v2 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU

On Wed, Mar 31, 2021 at 10:05 PM Jisheng Zhang
<jszhang3@...l.ustc.edu.cn> wrote:
>
> From: Jisheng Zhang <jszhang@...nel.org>
>
> Now we can set ARCH_HAS_STRICT_MODULE_RWX for MMU riscv platforms, this
> is good from security perspective.
>
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>

Looks good to me.

Reviewed-by: Anup Patel <anup@...infault.org>

Regards,
Anup

> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 87d7b52f278f..9716be3674a2 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -28,6 +28,7 @@ config RISCV
>         select ARCH_HAS_SET_DIRECT_MAP
>         select ARCH_HAS_SET_MEMORY
>         select ARCH_HAS_STRICT_KERNEL_RWX if MMU
> +       select ARCH_HAS_STRICT_MODULE_RWX if MMU
>         select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
>         select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
>         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
> --
> 2.31.0
>
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives