linux-kernel - Re: [PATCH 1/5] namespaces: move user_ns into ns

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Message-ID: <201607161638.Z2M1hf3C%fengguang.wu@intel.com>
Date:	Sat, 16 Jul 2016 16:21:58 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Andrey Vagin <avagin@...nvz.org>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, containers@...ts.linux-foundation.org,
	criu@...nvz.org, linux-fsdevel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	"W. Trevor King" <wking@...mily.us>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Andrey Vagin <avagin@...nvz.org>
Subject: Re: [PATCH 1/5] namespaces: move user_ns into ns_common

Hi,

[auto build test WARNING on net/master]
[also build test WARNING on v4.7-rc7]
[cannot apply to next-20160715]
[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/Andrey-Vagin/namespaces-move-user_ns-into-ns_common/20160716-093057
config: openrisc-allyesconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All warnings (new ones prefixed by >>):

   kernel/user.c:53:2: error: unknown field 'ns' specified in initializer
   kernel/user.c:53:2: warning: missing braces around initializer
   kernel/user.c:53:2: warning: (near initialization for 'init_user_ns.<anonymous>')
   kernel/user.c:53:2: error: incompatible types when initializing type 'struct user_namespace *' using type 'enum <anonymous>'
   kernel/user.c:55:2: error: unknown field 'ns' specified in initializer
>> kernel/user.c:55:2: warning: initialization makes integer from pointer without a cast

vim +55 kernel/user.c

f76d207a Eric W. Biederman 2012-08-30  47  			.count = 4294967295U,
f76d207a Eric W. Biederman 2012-08-30  48  		},
f76d207a Eric W. Biederman 2012-08-30  49  	},
c61a2810 Eric W. Biederman 2012-12-28  50  	.count = ATOMIC_INIT(3),
783291e6 Eric W. Biederman 2011-11-17  51  	.owner = GLOBAL_ROOT_UID,
783291e6 Eric W. Biederman 2011-11-17  52  	.group = GLOBAL_ROOT_GID,
435d5f4b Al Viro           2014-10-31 @53  	.ns.inum = PROC_USER_INIT_INO,
33c42940 Al Viro           2014-11-01  54  #ifdef CONFIG_USER_NS
33c42940 Al Viro           2014-11-01 @55  	.ns.ops = &userns_operations,
33c42940 Al Viro           2014-11-01  56  #endif
9cc46516 Eric W. Biederman 2014-12-02  57  	.flags = USERNS_INIT_FLAGS,
6bd364d8 Xiao Guangrong    2013-12-13  58  #ifdef CONFIG_PERSISTENT_KEYRINGS

:::::: The code at line 55 was first introduced by commit
:::::: 33c429405a2c8d9e42afb9fee88a63cfb2de1e98 copy address of proc_ns_ops into ns_common

:::::: TO: Al Viro <viro@...iv.linux.org.uk>
:::::: CC: Al Viro <viro@...iv.linux.org.uk>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (37947 bytes)