From: Michal Hocko <mhocko@suse.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: Rik van Riel <riel@redhat.com>,
kbuild-all@01.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [memcg:since-4.11 538/546] arch/x86/include/asm/stackprotector.h:77:12: error: 'CANARY_MASK' undeclared
Date: Fri, 30 Jun 2017 14:15:06 +0200 [thread overview]
Message-ID: <20170630121505.GI22917@dhcp22.suse.cz> (raw)
In-Reply-To: <20170630115718.GH22917@dhcp22.suse.cz>
On Fri 30-06-17 13:57:18, Michal Hocko wrote:
> On Fri 30-06-17 19:45:31, Wu Fengguang wrote:
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-4.11
> > head: 7398359c52bfc0e6188552bc391c717910db1a22
> > commit: a76bbabc83c87148e249810efba03a1b7a5952d3 [538/546] x86: ascii armor the x86_64 boot init stack canary
> > config: x86_64-randconfig-x010-201726 (attached as .config)
> > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> > reproduce:
> > git checkout a76bbabc83c87148e249810efba03a1b7a5952d3
> > # save the attached .config to linux build tree
> > make ARCH=x86_64
> >
> > All errors (new ones prefixed by >>):
> >
> > In file included from include/linux/stackprotector.h:9:0,
> > from arch/x86/kernel/process.c:22:
> > arch/x86/include/asm/stackprotector.h: In function 'boot_init_stack_canary':
> > >> arch/x86/include/asm/stackprotector.h:77:12: error: 'CANARY_MASK' undeclared (first use in this function)
> > canary &= CANARY_MASK;
> > ^~~~~~~~~~~
>
> My fault. I've screwed applying
> randomstackprotect-introduce-get_random_canary-function.patch. Will fix
> that up and update my mmotm git tree. Sorry about that!
My build test batter hasn't caught it because all my configs use
CONFIG_CC_STACKPROTECTOR_NONE=y and allyesconfig seems to use the same.
I have added a config which enforces CONFIG_CC_STACKPROTECTOR=y to the
tested configs.
--
Michal Hocko
SUSE Labs
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prev parent reply other threads:[~2017-06-30 12:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 11:45 kbuild test robot
2017-06-30 11:57 ` Michal Hocko
2017-06-30 12:15 ` Michal Hocko [this message]
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