linux-kernel - Re: [PATCH v3 2/2] modules:capabilities: add a per-task modules autoload restriction

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Message-ID: <201704200933.WfNVZLFx%fengguang.wu@intel.com>
Date:   Thu, 20 Apr 2017 09:57:52 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Djalal Harouni <tixxdz@...il.com>
Cc:     kbuild-all@...org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>, serge@...lyn.com,
        kernel-hardening@...ts.openwall.com,
        linux-security-module@...r.kernel.org,
        Linux API <linux-api@...r.kernel.org>,
        Dongsu Park <dpark@...teo.net>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <james.l.morris@...cle.com>,
        Paul Moore <paul@...l-moore.com>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>, Jessica Yu <jeyu@...hat.com>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, zendyani@...il.com,
        Peter Zijlstra <peterz@...radead.org>,
        Djalal Harouni <tixxdz@...il.com>
Subject: Re: [PATCH v3 2/2] modules:capabilities: add a per-task modules
 autoload restriction

Hi Djalal,

[auto build test ERROR on security/next]
[also build test ERROR on next-20170419]
[cannot apply to linus/master v4.11-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Djalal-Harouni/modules-capabilities-automatic-module-loading-restrictions/20170420-093603
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next
config: x86_64-randconfig-x017-201716 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from include/net/scm.h:7:0,
                    from include/linux/netlink.h:8,
                    from include/uapi/linux/neighbour.h:5,
                    from include/linux/netdevice.h:51,
                    from include/net/sock.h:51,
                    from fs//ocfs2/cluster/tcp.h:32,
                    from fs//ocfs2/cluster/heartbeat.c:41:
   include/linux/security.h: In function 'security_task_alloc':
>> include/linux/security.h:869:9: error: implicit declaration of function 'cap_task_alloc' [-Werror=implicit-function-declaration]
     return cap_task_alloc(task, clone_flags);
            ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/cap_task_alloc +869 include/linux/security.h

   863		return 0;
   864	}
   865	
   866	static inline int security_task_alloc(struct task_struct *task,
   867					      unsigned long clone_flags)
   868	{
 > 869		return cap_task_alloc(task, clone_flags);
   870	}
   871	
   872	static inline void security_task_free(struct task_struct *task)

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