linux-hardening - Re: [PATCH] randstruct: disable Clang 15 support

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] [day] [month] [year] [list]

Message-Id: <167588270061.464935.14207013093507497315.b4-ty@chromium.org>
Date:   Wed,  8 Feb 2023 10:58:21 -0800
From:   Kees Cook <keescook@...omium.org>
To:     linux-hardening@...r.kernel.org, ebiggers@...nel.org
Cc:     Kees Cook <keescook@...omium.org>, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        morbo@...gle.com
Subject: Re: [PATCH] randstruct: disable Clang 15 support

On Tue, 7 Feb 2023 22:51:33 -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> The randstruct support released in Clang 15 is unsafe to use due to a
> bug that can cause miscompilations: "-frandomize-layout-seed
> inconsistently randomizes all-function-pointers structs"
> (https://github.com/llvm/llvm-project/issues/60349).  It has been fixed
> on the Clang 16 release branch, so add a Clang version check.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] randstruct: disable Clang 15 support
      https://git.kernel.org/kees/c/7ee3819f2ba9

-- 
Kees Cook