linux-kernel - Re: [PATCH] dma: ste_dma40: Remove VLA usage

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CACRpkdbmd6ufb8MF9EtN3ftqTFEnXZfp4Ew=_viZ-8byOw-j1Q@mail.gmail.com>
Date:   Mon, 2 Jul 2018 16:14:56 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Dan Williams <dan.j.williams@...el.com>, vkoul@...nel.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        dmaengine@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dma: ste_dma40: Remove VLA usage

On Fri, Jun 29, 2018 at 8:51 PM Kees Cook <keescook@...omium.org> wrote:

> In the quest to remove all stack VLA usage from the kernel[1], this
> switches to using a pre-allocated scratch register space, set up with
> all other other allocations.
>
> [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: dmaengine@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij