linux-kernel - Re: [PATCH] compiler.h: Raise minimum version of GCC to 5.1 for arm64

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: <161055398865.21762.12236232732054213928.b4-ty@arm.com>
Date:   Wed, 13 Jan 2021 16:07:38 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     linux-arm-kernel@...ts.infradead.org, Will Deacon <will@...nel.org>
Cc:     Arnd Bergmann <arnd@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Theodore Ts'o <tytso@....edu>, kernel-team@...roid.com,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Florian Weimer <fweimer@...hat.com>
Subject: Re: [PATCH] compiler.h: Raise minimum version of GCC to 5.1 for arm64

On Tue, 12 Jan 2021 22:48:32 +0000, Will Deacon wrote:
> GCC versions >= 4.9 and < 5.1 have been shown to emit memory references
> beyond the stack pointer, resulting in memory corruption if an interrupt
> is taken after the stack pointer has been adjusted but before the
> reference has been executed. This leads to subtle, infrequent data
> corruption such as the EXT4 problems reported by Russell King at the
> link below.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] compiler.h: Raise minimum version of GCC to 5.1 for arm64
      https://git.kernel.org/arm64/c/1f1244a5ddb7

-- 
Catalin