From: Kees Cook <keescook@chromium.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Keith Packard <keithpac@amazon.com>,
Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH v4 0/5] ARM: support THREAD_INFO_IN_TASK
Date: Mon, 13 Sep 2021 08:40:18 -0700 [thread overview]
Message-ID: <202109130839.05A4A63A@keescook> (raw)
In-Reply-To: <20210913104001.3043132-1-ardb@kernel.org>
On Mon, Sep 13, 2021 at 12:39:56PM +0200, Ard Biesheuvel wrote:
> Placing thread_info in the kernel stack leaves it vulnerable to stack
> overflow attacks. This short series addresses that by using the existing
> THREAD_INFO_IN_TASK infrastructure.
>
> This v4 is a follow-up to Keith's v3 [0], which did not address all
> concerns I raised in response to v2. After collaborating with Keith
> off-list, we decided that I should go ahead and post our joint v4.
Great! Thanks for working through this. :)
--
Kees Cook
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next prev parent reply other threads:[~2021-09-13 15:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 10:39 [PATCH v4 0/5] ARM: support THREAD_INFO_IN_TASK Ard Biesheuvel
2021-09-13 10:39 ` [PATCH v4 1/5] gcc-plugins: arm-ssp: Prepare for THREAD_INFO_IN_TASK support Ard Biesheuvel
2021-09-13 15:40 ` Kees Cook
2021-09-14 22:04 ` Linus Walleij
2021-09-15 6:37 ` Ard Biesheuvel
2021-09-15 16:26 ` Kees Cook
2021-09-13 10:39 ` [PATCH v4 2/5] ARM: smp: Pass task to secondary_start_kernel Ard Biesheuvel
2021-09-13 23:25 ` Linus Walleij
2021-09-13 10:39 ` [PATCH v4 3/5] ARM: smp: Free up the TLS register while running in the kernel Ard Biesheuvel
2021-09-13 10:40 ` [PATCH v4 4/5] ARM: smp: Store current pointer in TPIDRURO register if available Ard Biesheuvel
2021-09-13 11:22 ` Russell King (Oracle)
2021-09-13 12:52 ` Ard Biesheuvel
2021-09-13 13:52 ` Russell King (Oracle)
2021-09-13 10:40 ` [PATCH v4 5/5] ARM: smp: Enable THREAD_INFO_IN_TASK Ard Biesheuvel
2021-09-13 11:23 ` [PATCH v4 0/5] ARM: support THREAD_INFO_IN_TASK Russell King (Oracle)
2021-09-13 15:40 ` Kees Cook [this message]
2021-09-14 9:44 ` Arnd Bergmann
2021-09-14 9:50 ` Ard Biesheuvel
2021-09-14 13:07 ` Arnd Bergmann
2021-09-14 17:10 ` Ard Biesheuvel
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