linux-kernel - Re: [PATCH bpf-next] bpf: add bpf_ct_lookup

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Date:   Sat, 18 Jan 2020 19:37:37 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Matthew Cover <werekraken@...il.com>
Cc:     kbuild-all@...ts.01.org, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Shuah Khan <shuah@...nel.org>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Jakub Sitnicki <jakub@...udflare.com>,
        Quentin Monnet <quentin.monnet@...ronome.com>,
        Matthew Cover <matthew.cover@...ckpath.com>,
        Stanislav Fomichev <sdf@...gle.com>,
        Andrey Ignatov <rdna@...com>,
        Lorenz Bauer <lmb@...udflare.com>,
        Jiong Wang <jiong.wang@...ronome.com>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next] bpf: add bpf_ct_lookup_{tcp,udp}() helpers

Hi Matthew,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]
[also build test ERROR on next-20200117]
[cannot apply to bpf/master net-next/master net/master linus/master sparc-next/master v5.5-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Matthew-Cover/bpf-add-bpf_ct_lookup_-tcp-udp-helpers/20200118-153032
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: i386-alldefconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   ld: init/do_mounts.o: in function `bpf_nf_conn_is_valid_access':
>> do_mounts.c:(.text+0x70): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: init/do_mounts.o: in function `bpf_nf_conn_convert_ctx_access':
>> do_mounts.c:(.text+0x80): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: init/noinitramfs.o: in function `bpf_nf_conn_is_valid_access':
   noinitramfs.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: init/noinitramfs.o: in function `bpf_nf_conn_convert_ctx_access':
   noinitramfs.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/entry/common.o: in function `bpf_nf_conn_is_valid_access':
   common.c:(.text+0x2b0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/entry/common.o: in function `bpf_nf_conn_convert_ctx_access':
   common.c:(.text+0x2c0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/core.o: in function `bpf_nf_conn_is_valid_access':
   core.c:(.text+0xbe0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/core.o: in function `bpf_nf_conn_convert_ctx_access':
   core.c:(.text+0xbf0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/amd/core.o: in function `bpf_nf_conn_is_valid_access':
   core.c:(.text+0x8f0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/amd/core.o: in function `bpf_nf_conn_convert_ctx_access':
   core.c:(.text+0x900): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/amd/uncore.o: in function `bpf_nf_conn_is_valid_access':
   uncore.c:(.text+0x8d0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/amd/uncore.o: in function `bpf_nf_conn_convert_ctx_access':
   uncore.c:(.text+0x8e0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/core.o: in function `bpf_nf_conn_is_valid_access':
   core.c:(.text+0x1d40): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/core.o: in function `bpf_nf_conn_convert_ctx_access':
   core.c:(.text+0x1d50): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/bts.o: in function `bpf_nf_conn_is_valid_access':
   bts.c:(.text+0x9c0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/bts.o: in function `bpf_nf_conn_convert_ctx_access':
   bts.c:(.text+0x9d0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/ds.o: in function `bpf_nf_conn_is_valid_access':
   ds.c:(.text+0x1920): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/ds.o: in function `bpf_nf_conn_convert_ctx_access':
   ds.c:(.text+0x1930): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/knc.o: in function `bpf_nf_conn_is_valid_access':
   knc.c:(.text+0x340): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/knc.o: in function `bpf_nf_conn_convert_ctx_access':
   knc.c:(.text+0x350): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/lbr.o: in function `bpf_nf_conn_is_valid_access':
   lbr.c:(.text+0x680): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/lbr.o: in function `bpf_nf_conn_convert_ctx_access':
   lbr.c:(.text+0x690): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/p4.o: in function `bpf_nf_conn_is_valid_access':
   p4.c:(.text+0x7d0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/p4.o: in function `bpf_nf_conn_convert_ctx_access':
   p4.c:(.text+0x7e0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/p6.o: in function `bpf_nf_conn_is_valid_access':
   p6.c:(.text+0x170): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/p6.o: in function `bpf_nf_conn_convert_ctx_access':
   p6.c:(.text+0x180): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/events/intel/pt.o: in function `bpf_nf_conn_is_valid_access':
   pt.c:(.text+0x1a70): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/events/intel/pt.o: in function `bpf_nf_conn_convert_ctx_access':
   pt.c:(.text+0x1a80): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/process_32.o: in function `bpf_nf_conn_is_valid_access':
   process_32.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/process_32.o: in function `bpf_nf_conn_convert_ctx_access':
   process_32.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/signal.o: in function `bpf_nf_conn_is_valid_access':
   signal.c:(.text+0x270): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/signal.o: in function `bpf_nf_conn_convert_ctx_access':
   signal.c:(.text+0x280): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/ioport.o: in function `bpf_nf_conn_is_valid_access':
   ioport.c:(.text+0x40): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/ioport.o: in function `bpf_nf_conn_convert_ctx_access':
   ioport.c:(.text+0x50): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/ldt.o: in function `bpf_nf_conn_is_valid_access':
   ldt.c:(.text+0x4c0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/ldt.o: in function `bpf_nf_conn_convert_ctx_access':
   ldt.c:(.text+0x4d0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/setup.o: in function `bpf_nf_conn_is_valid_access':
   setup.c:(.text+0x60): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/setup.o: in function `bpf_nf_conn_convert_ctx_access':
   setup.c:(.text+0x70): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/e820.o: in function `bpf_nf_conn_is_valid_access':
   e820.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/e820.o: in function `bpf_nf_conn_convert_ctx_access':
   e820.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/hw_breakpoint.o: in function `bpf_nf_conn_is_valid_access':
   hw_breakpoint.c:(.text+0x0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/hw_breakpoint.o: in function `bpf_nf_conn_convert_ctx_access':
   hw_breakpoint.c:(.text+0x10): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/process.o: in function `bpf_nf_conn_is_valid_access':
   process.c:(.text+0xe0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/process.o: in function `bpf_nf_conn_convert_ctx_access':
   process.c:(.text+0xf0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/ptrace.o: in function `bpf_nf_conn_is_valid_access':
   ptrace.c:(.text+0x690): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/ptrace.o: in function `bpf_nf_conn_convert_ctx_access':
   ptrace.c:(.text+0x6a0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/tls.o: in function `bpf_nf_conn_is_valid_access':
   tls.c:(.text+0x2b0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/tls.o: in function `bpf_nf_conn_convert_ctx_access':
   tls.c:(.text+0x2c0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/cpu/umwait.o: in function `bpf_nf_conn_is_valid_access':
   umwait.c:(.text+0x210): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/cpu/umwait.o: in function `bpf_nf_conn_convert_ctx_access':
   umwait.c:(.text+0x220): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/reboot.o: in function `bpf_nf_conn_is_valid_access':
   reboot.c:(.text+0xb0): multiple definition of `bpf_nf_conn_is_valid_access'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/reboot.o: in function `bpf_nf_conn_convert_ctx_access':
   reboot.c:(.text+0xc0): multiple definition of `bpf_nf_conn_convert_ctx_access'; init/main.o:main.c:(.text+0x90): first defined here

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