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: Thu, 12 Jan 2017 15:27:22 -0800 [thread overview]
Message-ID: <CAGXu5jLB_ZxPcJDsBK0h-HTfb8G-GdC+BnD-1rTL5ePUvcwuzA@mail.gmail.com> (raw)
In-Reply-To: <20170112224116.680debbf6f5c288ba51a46c0@gmail.com>
On Thu, Jan 12, 2017 at 1:41 PM, Emese Revfy <re.emese@gmail.com> wrote:
> On Tue, 10 Jan 2017 17:09:31 -0800
> Kees Cook <keescook@chromium.org> wrote:
>
>> WARNING: vmlinux.o(.text+0x1087e7): Section mismatch in reference from
>> the function rebind_subsystems() to the variable
>> .init.rodata.str:__func__.4400
>> The function rebind_subsystems() references
>> the variable __initconst __func__.4400.
>> This is often because rebind_subsystems lacks a __initconst
>> annotation or the annotation of __func__.4400 is wrong.
>
> Thanks for the report, you can find the fix here:
> https://github.com/ephox-gcc-plugins/initify/commit/25f34834e3373e067133bc5d39d42c50a3592d56
Awesome! I can confirm, it builds without warnings now. Thanks!
-Kees
--
Kees Cook
Nexus Security
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: Thu, 12 Jan 2017 15:27:22 -0800 [thread overview]
Message-ID: <CAGXu5jLB_ZxPcJDsBK0h-HTfb8G-GdC+BnD-1rTL5ePUvcwuzA@mail.gmail.com> (raw)
In-Reply-To: <20170112224116.680debbf6f5c288ba51a46c0@gmail.com>
On Thu, Jan 12, 2017 at 1:41 PM, Emese Revfy <re.emese@gmail.com> wrote:
> On Tue, 10 Jan 2017 17:09:31 -0800
> Kees Cook <keescook@chromium.org> wrote:
>
>> WARNING: vmlinux.o(.text+0x1087e7): Section mismatch in reference from
>> the function rebind_subsystems() to the variable
>> .init.rodata.str:__func__.4400
>> The function rebind_subsystems() references
>> the variable __initconst __func__.4400.
>> This is often because rebind_subsystems lacks a __initconst
>> annotation or the annotation of __func__.4400 is wrong.
>
> Thanks for the report, you can find the fix here:
> https://github.com/ephox-gcc-plugins/initify/commit/25f34834e3373e067133bc5d39d42c50a3592d56
Awesome! I can confirm, it builds without warnings now. Thanks!
-Kees
--
Kees Cook
Nexus Security
next prev parent reply other threads:[~2017-01-12 23:27 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 [this message]
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
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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