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Date: Tue, 3 Jan 2017 16:23:03 -0800
From: Kees Cook <keescook@...omium.org>
To: Emese Revfy <re.emese@...il.com>
Cc: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
LKML <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
Josh Triplett <josh@...htriplett.org>, PaX Team <pageexec@...email.hu>,
Brad Spengler <spender@...ecurity.net>, Michal Marek <mmarek@...e.com>,
Masahiro Yamada <yamada.masahiro@...ionext.com>, linux-kbuild <linux-kbuild@...r.kernel.org>,
minipli@...linux.so, Russell King <linux@...linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>, Rasmus Villemoes <linux@...musvillemoes.dk>,
David Brown <david.brown@...aro.org>,
"benh@...nel.crashing.org" <benh@...nel.crashing.org>, Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>, Jeff Layton <jlayton@...chiereds.net>,
Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH v4 0/4] Introduce the initify gcc plugin
On Mon, Dec 19, 2016 at 3:10 AM, Emese Revfy <re.emese@...il.com> wrote:
> On Fri, 16 Dec 2016 14:19:10 -0800
> Kees Cook <keescook@...omium.org> wrote:
>
>> FWIW, it still seems to me that these aren't false positives:
>>
>> WARNING: vmlinux.o(.text.unlikely+0x1b1): Section mismatch in
>> reference from the function uncore_pci_exit.part.22() to the function
>> .init.text:uncore_free_pcibus_map()
>> The function uncore_pci_exit.part.22() references
>> the function __init uncore_free_pcibus_map().
>> This is often because uncore_pci_exit.part.22 lacks a __init
>> annotation or the annotation of uncore_free_pcibus_map is wrong.
>
> Hi,
>
> I can't reproduce this section mismatch. Could you please send me your .config?
Attached.
> Which gcc version did you use?
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
> I used this tree: git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git initify-v4
Yup, that's what I was building from.
-Kees
--
Kees Cook
Nexus Security
Download attachment ".config.gz" of type "application/gzip" (28007 bytes)
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