From: Kees Cook <keescook@chromium.org>
To: Emese Revfy <re.emese@gmail.com>
Cc: "kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Josh Triplett <josh@joshtriplett.org>,
PaX Team <pageexec@freemail.hu>,
Brad Spengler <spender@grsecurity.net>,
Michal Marek <mmarek@suse.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kbuild <linux-kbuild@vger.kernel.org>,
minipli@ld-linux.so, Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
David Brown <david.brown@linaro.org>,
"benh@kernel.crashing.org" <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Jeff Layton <jlayton@poochiereds.net>,
Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH v4 0/4] Introduce the initify gcc plugin
Date: Wed, 18 Jan 2017 17:22:18 -0800 [thread overview]
Message-ID: <CAGXu5jK0Twn62qiKe1Z2aeSBr_XiYJwn=W3csQvFMaEiyLq7ow@mail.gmail.com> (raw)
In-Reply-To: <20170117213143.5bf385546454ac0424238686@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 982 bytes --]
On Tue, Jan 17, 2017 at 12:31 PM, Emese Revfy <re.emese@gmail.com> wrote:
> On Thu, 12 Jan 2017 15:40:41 -0800
> Kees Cook <keescook@chromium.org> wrote:
>
>> WARNING: drivers/clk/bcm/built-in.o(.text+0xec2): Section mismatch in
>> reference from the function clk_gate() to the variable
>> .init.rodata.str:__func__.29708
>> The function clk_gate() references
>> the variable __initconst __func__.29708.
>> This is often because clk_gate lacks a __initconst
>> annotation or the annotation of __func__.29708 is wrong.
>>
>> I used my initify v5 development tree, with the following patch, with
>> "make allyesconfig":
>>
>> http://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/log/?h=for-next/gcc-plugin/initify
>
> Hi,
>
> I can't reproduce this mismatch with allyesconfig. Could you please send me your .config?
Sure, attached. (Though note this requires the patch from my earlier
email to allow allyesconfig to work with the plugins.)
-Kees
--
Kees Cook
Nexus Security
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 57197 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Emese Revfy <re.emese@gmail.com>
Cc: "kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Josh Triplett <josh@joshtriplett.org>,
PaX Team <pageexec@freemail.hu>,
Brad Spengler <spender@grsecurity.net>,
Michal Marek <mmarek@suse.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kbuild <linux-kbuild@vger.kernel.org>,
minipli@ld-linux.so, Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
David Brown <david.brown@linaro.org>,
"benh@kernel.crashing.org" <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Jeff Layton <jlayton@poochiereds.net>,
Sam Ravnborg <sam@ravnborg.org>
Subject: [kernel-hardening] Re: [PATCH v4 0/4] Introduce the initify gcc plugin
Date: Wed, 18 Jan 2017 17:22:18 -0800 [thread overview]
Message-ID: <CAGXu5jK0Twn62qiKe1Z2aeSBr_XiYJwn=W3csQvFMaEiyLq7ow@mail.gmail.com> (raw)
In-Reply-To: <20170117213143.5bf385546454ac0424238686@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 982 bytes --]
On Tue, Jan 17, 2017 at 12:31 PM, Emese Revfy <re.emese@gmail.com> wrote:
> On Thu, 12 Jan 2017 15:40:41 -0800
> Kees Cook <keescook@chromium.org> wrote:
>
>> WARNING: drivers/clk/bcm/built-in.o(.text+0xec2): Section mismatch in
>> reference from the function clk_gate() to the variable
>> .init.rodata.str:__func__.29708
>> The function clk_gate() references
>> the variable __initconst __func__.29708.
>> This is often because clk_gate lacks a __initconst
>> annotation or the annotation of __func__.29708 is wrong.
>>
>> I used my initify v5 development tree, with the following patch, with
>> "make allyesconfig":
>>
>> http://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/log/?h=for-next/gcc-plugin/initify
>
> Hi,
>
> I can't reproduce this mismatch with allyesconfig. Could you please send me your .config?
Sure, attached. (Though note this requires the patch from my earlier
email to allow allyesconfig to work with the plugins.)
-Kees
--
Kees Cook
Nexus Security
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 57197 bytes --]
next prev parent reply other threads:[~2017-01-19 1:22 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-16 22:06 [PATCH v4 0/4] Introduce the initify gcc plugin Kees Cook
2016-12-16 22:06 ` [kernel-hardening] " Kees Cook
2016-12-16 22:06 ` [PATCH v4 1/4] gcc-plugins: Add " Kees Cook
2016-12-16 22:06 ` [kernel-hardening] " Kees Cook
2016-12-16 22:45 ` PaX Team
2016-12-16 22:45 ` [kernel-hardening] " PaX Team
2016-12-16 22:45 ` PaX Team
2016-12-16 23:02 ` Kees Cook
2016-12-16 23:02 ` [kernel-hardening] " Kees Cook
2016-12-16 23:02 ` Kees Cook
2016-12-16 23:15 ` PaX Team
2016-12-16 23:15 ` [kernel-hardening] " PaX Team
2016-12-16 23:15 ` PaX Team
2016-12-16 22:06 ` [PATCH v4 2/4] util: Move type casts into is_kernel_rodata Kees Cook
2016-12-16 22:06 ` [kernel-hardening] " Kees Cook
2016-12-16 22:06 ` [PATCH v4 3/4] initify: Mark functions with the __nocapture attribute Kees Cook
2016-12-16 22:06 ` [kernel-hardening] " Kees Cook
2016-12-16 22:06 ` [PATCH v4 4/4] initify: Mark functions with the __unverified_nocapture attribute Kees Cook
2016-12-16 22:06 ` [kernel-hardening] " Kees Cook
2016-12-16 22:19 ` [PATCH v4 0/4] Introduce the initify gcc plugin Kees Cook
2016-12-16 22:19 ` [kernel-hardening] " Kees Cook
2016-12-16 22:19 ` Kees Cook
2016-12-19 11:10 ` Emese Revfy
2016-12-19 11:10 ` [kernel-hardening] " Emese Revfy
2016-12-19 11:10 ` Emese Revfy
2017-01-04 0:23 ` Kees Cook
2017-01-04 0:23 ` [kernel-hardening] " Kees Cook
2017-01-04 0:23 ` Kees Cook
2017-01-11 0:24 ` Emese Revfy
2017-01-11 0:24 ` [kernel-hardening] " Emese Revfy
2017-01-11 0:24 ` Emese Revfy
2017-01-11 1:09 ` Kees Cook
2017-01-11 1:09 ` [kernel-hardening] " Kees Cook
2017-01-11 1:09 ` Kees Cook
2017-01-12 21:41 ` Emese Revfy
2017-01-12 21:41 ` [kernel-hardening] " Emese Revfy
2017-01-12 21:41 ` Emese Revfy
2017-01-12 23:27 ` Kees Cook
2017-01-12 23:27 ` [kernel-hardening] " Kees Cook
2017-01-12 23:27 ` Kees Cook
2017-01-12 23:40 ` Kees Cook
2017-01-12 23:40 ` [kernel-hardening] " Kees Cook
2017-01-12 23:40 ` Kees Cook
2017-01-17 20:31 ` Emese Revfy
2017-01-17 20:31 ` [kernel-hardening] " Emese Revfy
2017-01-17 20:31 ` Emese Revfy
2017-01-19 1:22 ` Kees Cook [this message]
2017-01-19 1:22 ` [kernel-hardening] " Kees Cook
2017-01-19 1:22 ` Kees Cook
2017-02-15 0:23 ` Emese Revfy
2017-02-15 0:23 ` [kernel-hardening] " Emese Revfy
2017-02-15 0:23 ` Emese Revfy
2017-02-15 19:27 ` Kees Cook
2017-02-15 19:27 ` [kernel-hardening] " Kees Cook
2017-02-15 19:27 ` Kees Cook
2017-02-20 21:42 ` Emese Revfy
2017-02-20 21:42 ` [kernel-hardening] " Emese Revfy
2017-02-20 21:42 ` Emese Revfy
2016-12-19 18:24 ` Laura Abbott
2016-12-19 18:24 ` [kernel-hardening] " Laura Abbott
2017-01-04 0:23 ` Kees Cook
2017-01-04 0:23 ` [kernel-hardening] " Kees Cook
2017-01-04 0:23 ` Kees Cook
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