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From: Arnd Bergmann <arnd@kernel.org>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: Will Deacon <will@kernel.org>,
	linux-toolchains@vger.kernel.org,
	Mark Rutland <mark.rutland@arm.com>,
	"Theodore Ts'o" <tytso@mit.edu>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Ext4 Developers List <linux-ext4@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: Aarch64 EXT4FS inode checksum failures - seems to be weak memory ordering issues
Date: Thu, 7 Jan 2021 14:16:25 +0100	[thread overview]
Message-ID: <CAK8P3a2TXPfFpgy+XjpDzOqt1qpDxufwiD-BLNbn4W_jpGp98g@mail.gmail.com> (raw)
In-Reply-To: <20210107124506.GO1551@shell.armlinux.org.uk>

On Thu, Jan 7, 2021 at 1:47 PM Russell King - ARM Linux admin
<linux@armlinux.org.uk> wrote:

> Arnd has found via bisecting gcc:
>
> 7e8c2bd54af ("[AArch64] fix unsafe access to deallocated stack")
>
> which seems to be https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
>
> That seems to suggest that gcc-5.0.0 is also affected.
>
> Looking at the changelog in Debian's gcc-8.3 packages, this doesn't
> feature, so it's not easy just to look at the changelogs to work out
> which versions are affected.

I checked the history to confirm that all gcc-5 releases (5.0.x is pre-release)
and later have the fix.

The gcc bugzilla mentions backports into gcc-linaro, but I do not see
them in my git history.

       Arnd

  reply	other threads:[~2021-01-07 13:17 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05 15:47 Aarch64 EXT4FS inode checksum failures - seems to be weak memory ordering issues Russell King - ARM Linux admin
2021-01-05 18:27 ` Darrick J. Wong
2021-01-05 19:50   ` Russell King - ARM Linux admin
2021-01-06 11:53 ` Mark Rutland
2021-01-06 12:13   ` Russell King - ARM Linux admin
2021-01-06 13:52   ` Russell King - ARM Linux admin
2021-01-06 17:20     ` Will Deacon
2021-01-06 17:46       ` Russell King - ARM Linux admin
2021-01-06 21:04       ` Arnd Bergmann
2021-01-06 22:00         ` Arnd Bergmann
2021-01-06 22:32       ` Russell King - ARM Linux admin
2021-01-07 11:18         ` Russell King - ARM Linux admin
2021-01-07 12:45           ` Russell King - ARM Linux admin
2021-01-07 13:16             ` Arnd Bergmann [this message]
2021-01-07 13:37               ` Russell King - ARM Linux admin
2021-01-07 16:27                 ` Theodore Ts'o
2021-01-07 17:00                   ` Florian Weimer
2021-01-07 21:48                   ` Arnd Bergmann
2021-01-07 22:14                     ` Russell King - ARM Linux admin
2021-01-07 22:41                       ` Eric Biggers
2021-01-08  8:21                         ` Ard Biesheuvel
2021-01-07 22:27                     ` Eric Biggers
2021-01-07 23:53                       ` Darrick J. Wong
2021-01-08  8:05                         ` Arnd Bergmann
2021-01-08  9:13                   ` Peter Zijlstra
2021-01-08 10:31                   ` Pavel Machek
2021-01-07 21:20                 ` Arnd Bergmann
2021-01-08  9:21                   ` Peter Zijlstra
2021-01-08  9:26                     ` Will Deacon
2021-01-08 20:02                       ` Linus Torvalds
2021-01-08 20:22                         ` Arnd Bergmann
2021-01-08 21:20                           ` Nick Desaulniers
2021-01-08 20:29                         ` Russell King - ARM Linux admin
2021-01-12 13:20                         ` Lukas Wunner
2021-01-12 13:31                           ` Florian Weimer
2021-01-12 13:46                             ` David Laight
2021-01-12 17:28                           ` Linus Torvalds
2021-01-14 13:13                             ` Lukas Wunner

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