From: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
To: pageexec@freemail.hu, Emese Revfy <re.emese@gmail.com>,
kernel-hardening@lists.openwall.com,
Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kbuild@vger.kernel.org, spender@grsecurity.net,
mmarek@suse.com, keescook@chromium.org, linux@rasmusvillemoes.dk,
fengguang.wu@intel.com, dvyukov@google.com,
linux-kernel@vger.kernel.org, david.brown@linaro.org,
yamada.masahiro@socionext.com,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Daniel Axtens <dja@axtens.net>
Subject: Re: [kernel-hardening] [PATCH v8 2/4] GCC plugin infrastructure
Date: Fri, 20 May 2016 16:22:03 +1000 [thread overview]
Message-ID: <573EAD0B.7090005@au1.ibm.com> (raw)
In-Reply-To: <573D782D.10392.75A275C@pageexec.freemail.hu>
On 19/05/16 18:24, PaX Team wrote:
> the earlier plugin capable gcc versions used to install gcc headers in a somewhat
> ad-hoc manner resulting in compile time breakage for plugins and since some of
> those potentially missing headers are target specific, each target arch should
> be verified before enabling plugin support on them. things have much improved with
> gcc 5 (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61176) though there's still
> an occasional missing header but with wider use of plugins they will hopefully be
> discovered earlier now. perhaps linux-arch should be cc'ed on the plugin infrastructure
> so that arch maintainers are aware of this?
Upon further testing it does seem we've got header issues as well as
hitting a segfault on 4.7.0. Looking into it further...
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com IBM Australia Limited
next prev parent reply other threads:[~2016-05-20 6:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 23:54 [PATCH v8 0/4] Introduce GCC plugin infrastructure Emese Revfy
2016-05-12 23:56 ` [PATCH v8 1/4] Shared library support Emese Revfy
2016-05-12 23:57 ` [PATCH v8 2/4] GCC plugin infrastructure Emese Revfy
2016-05-17 14:28 ` Michal Marek
2016-05-18 10:56 ` Emese Revfy
2016-05-18 8:51 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:33 ` Emese Revfy
2016-05-18 21:14 ` Andrew Donnellan
2016-05-19 6:22 ` Michael Ellerman
2016-05-19 6:30 ` Andrew Donnellan
2016-05-19 8:24 ` PaX Team
2016-05-20 6:22 ` Andrew Donnellan [this message]
2016-05-20 10:10 ` Michael Ellerman
2016-05-12 23:58 ` [PATCH v8 3/4] Add Cyclomatic complexity GCC plugin Emese Revfy
2016-05-18 8:25 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:53 ` Emese Revfy
2016-05-12 23:59 ` [PATCH v8 4/4] Add sancov plugin Emese Revfy
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