From: Clemens Ladisch <clemens@ladisch.de>
To: Mathias Krause <minipli@googlemail.com>,
kernel-hardening@lists.openwall.com
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Kees Cook <keescook@chromium.org>,
Andy Lutomirski <luto@amacapital.net>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>, x86-ml <x86@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Michael Ellerman <mpe@ellerman.id.au>,
linux-arch@vger.kernel.org, PaX Team <pageexec@freemail.hu>,
Emese Revfy <re.emese@gmail.com>
Subject: Re: [kernel-hardening] [PATCH 0/2] introduce post-init read-only memory
Date: Wed, 25 Nov 2015 11:06:30 +0100 [thread overview]
Message-ID: <56558826.1060202@ladisch.de> (raw)
In-Reply-To: <CA+rthh-euk2hGGWjsDqXogWSmzmJNV1aiUVfnTfrzyQhndgbOQ@mail.gmail.com>
Mathias Krause wrote:
> [...]
> So, prior extending the usage of the __read_only annotation some
> toolchain support is needed. Maybe a gcc plugin that'll warn/error on
> code that writes to such a variable but is not __init itself.
Or mark them as "const". This would require the initialization code to
cast it away, probably with a helper macro.
Regards,
Clemens
next prev parent reply other threads:[~2015-11-25 10:06 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-24 21:38 [kernel-hardening] [PATCH 0/2] introduce post-init read-only memory Kees Cook
2015-11-24 21:38 ` Kees Cook
2015-11-24 21:38 ` [kernel-hardening] [PATCH 1/2] x86: " Kees Cook
2015-11-24 21:38 ` Kees Cook
2015-11-25 0:34 ` [kernel-hardening] " Andy Lutomirski
2015-11-25 0:34 ` Andy Lutomirski
2015-11-25 0:44 ` [kernel-hardening] " Kees Cook
2015-11-25 0:44 ` Kees Cook
2015-11-25 0:54 ` [kernel-hardening] " Michael Ellerman
2015-11-25 15:03 ` Kees Cook
2015-11-25 23:05 ` Michael Ellerman
2015-11-25 23:32 ` Kees Cook
2015-11-25 23:32 ` Kees Cook
2015-11-24 21:38 ` [kernel-hardening] [PATCH 2/2] x86, vdso: mark vDSO read-only after init Kees Cook
2015-11-24 21:38 ` Kees Cook
2015-11-25 9:13 ` [kernel-hardening] [PATCH 0/2] introduce post-init read-only memory Mathias Krause
2015-11-25 9:13 ` Mathias Krause
2015-11-25 10:06 ` Clemens Ladisch [this message]
2015-11-25 11:14 ` [kernel-hardening] " PaX Team
2015-11-25 11:14 ` PaX Team
2015-11-26 15:23 ` [kernel-hardening] " Daniel Micay
2015-11-25 11:05 ` PaX Team
2015-11-25 11:05 ` PaX Team
2015-11-26 8:54 ` [kernel-hardening] " Ingo Molnar
2015-11-26 9:57 ` PaX Team
2015-11-26 9:57 ` PaX Team
2015-11-26 10:42 ` [kernel-hardening] " Ingo Molnar
2015-11-26 12:14 ` PaX Team
2015-11-26 12:14 ` PaX Team
2015-11-27 8:05 ` [kernel-hardening] " Ingo Molnar
2015-11-27 8:05 ` Ingo Molnar
2015-11-27 15:29 ` [kernel-hardening] " PaX Team
2015-11-27 15:29 ` PaX Team
2015-11-27 16:30 ` [kernel-hardening] " Andy Lutomirski
2015-11-29 8:08 ` Ingo Molnar
2015-11-29 11:15 ` PaX Team
2015-11-29 11:15 ` PaX Team
2015-11-29 15:39 ` [kernel-hardening] " Ingo Molnar
2015-11-29 18:05 ` Mathias Krause
2015-11-29 18:05 ` Mathias Krause
2015-11-30 8:01 ` [kernel-hardening] " Ingo Molnar
2015-11-30 8:01 ` Ingo Molnar
2015-11-26 16:11 ` [kernel-hardening] " Andy Lutomirski
2015-11-26 16:11 ` Andy Lutomirski
2015-11-27 7:59 ` [kernel-hardening] " Ingo Molnar
2015-11-27 7:59 ` Ingo Molnar
2015-11-27 18:00 ` [kernel-hardening] " Linus Torvalds
2015-11-27 18:03 ` Linus Torvalds
2015-11-27 18:03 ` Linus Torvalds
2015-11-27 20:03 ` [kernel-hardening] " Kees Cook
2015-11-27 20:03 ` Kees Cook
2015-11-27 20:09 ` [kernel-hardening] " Andy Lutomirski
2015-11-29 8:05 ` Ingo Molnar
2015-11-30 21:14 ` H. Peter Anvin
2015-11-30 21:14 ` H. Peter Anvin
2015-11-30 21:33 ` [kernel-hardening] " Kees Cook
2015-11-30 21:38 ` Andy Lutomirski
2015-11-30 21:43 ` H. Peter Anvin
2015-11-30 21:43 ` H. Peter Anvin
2015-11-25 17:26 ` [kernel-hardening] " Kees Cook
2015-11-25 17:26 ` Kees Cook
2015-11-25 17:31 ` [kernel-hardening] " H. Peter Anvin
2015-11-25 17:31 ` H. Peter Anvin
2015-11-25 18:54 ` [kernel-hardening] " Kees Cook
2015-11-25 19:06 ` H. Peter Anvin
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