linux-kernel - Re: [RFC PATCH] riscv: enable per-task stack canaries

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Message-ID: <202007051820.DABE7F87D7@keescook>
Date:   Sun, 5 Jul 2020 18:21:40 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Guo Ren <guoren@...nel.org>
Cc:     linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-csky@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>,
        Ramana Radhakrishnan <ramana.radhakrishnan@....com>
Subject: Re: [RFC PATCH] riscv: enable per-task stack canaries

On Mon, Jul 06, 2020 at 09:01:51AM +0800, Guo Ren wrote:
> Yeah! :) I just want to show you, how about the format: use tp in gpr
> to do that. The format is similar to arm64.
> 
> tp is the task_struct point in riscv.

Sounds good to me, yes. Thanks! Is there anyone looking at the GCC and
Clang sides of this?

-- 
Kees Cook