Message-ID: <3d22ac50-f13c-c2db-f5b7-dc229c3709f1@oracle.com>
Date:   Mon, 14 Mar 2022 10:02:01 -0700
From:   dai.ngo@...cle.com
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [cel:nfsd-courteous-server 29/39] do_mounts.c:(.text+0x66):
 multiple definition of `locks_owner_has_blockers';
 init/main.o:main.c:(.text+0x0): first defined here

Hi,

On 3/12/22 3:38 PM, kernel test robot wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux nfsd-courteous-server
> head:   ca4d8c00bb753707519f438e5286b2349af53054
> commit: 3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa [29/39] fs/lock: add helper locks_owner_has_blockers to check for blockers
> config: m68k-randconfig-r031-20220313 (https://download.01.org/0day-ci/archive/20220313/202203130709.dYmfXVEC-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa
>          git remote add cel git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
>          git fetch --no-tags cel nfsd-courteous-server
>          git checkout 3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa
>          # save the config file to linux build tree
>          mkdir build_dir
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
>     m68k-linux-ld: init/do_mounts.o: in function `locks_owner_has_blockers':
>>> do_mounts.c:(.text+0x66): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here

I looked through all the functions listed as having multiple
definition of `locks_owner_has_blockers' such as init/main.o:main.c,
arch/x86/kernel/head32.c, init/do_mounts_rd.c and many others.
None of these functions has 'locks_owner_has_blockers' defined.
I think there is a problem with the tools that detects this
error, can you help to verify?

Thanks,
-Dai

>     m68k-linux-ld: init/do_mounts_rd.o: in function `locks_owner_has_blockers':
>     do_mounts_rd.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: init/do_mounts_initrd.o: in function `locks_owner_has_blockers':
>     do_mounts_initrd.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: init/initramfs.o: in function `locks_owner_has_blockers':
>     initramfs.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: init/init_task.o: in function `locks_owner_has_blockers':
>     init_task.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/irq.o: in function `locks_owner_has_blockers':
>     irq.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/module.o: in function `locks_owner_has_blockers':
>     module.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/process.o: in function `locks_owner_has_blockers':
>     process.c:(.text+0xe): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/ptrace.o: in function `locks_owner_has_blockers':
>     ptrace.c:(.text+0x182): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/setup.o: in function `locks_owner_has_blockers':
>     setup.c:(.text+0x102): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/signal.o: in function `locks_owner_has_blockers':
>     signal.c:(.text+0x3a0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/sys_m68k.o: in function `locks_owner_has_blockers':
>     sys_m68k.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/time.o: in function `locks_owner_has_blockers':
>     time.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/traps.o: in function `locks_owner_has_blockers':
>     traps.c:(.text+0x12): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/kernel/dma.o: in function `locks_owner_has_blockers':
>     dma.c:(.text+0x62): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/mm/init.o: in function `locks_owner_has_blockers':
>     init.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/device.o: in function `locks_owner_has_blockers':
>     device.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/vectors.o: in function `locks_owner_has_blockers':
>     vectors.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/m5206.o: in function `locks_owner_has_blockers':
>     m5206.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/reset.o: in function `locks_owner_has_blockers':
>     reset.c:(.text+0x14): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/timers.o: in function `locks_owner_has_blockers':
>     timers.c:(.text+0x56): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: arch/m68k/coldfire/gpio.o: in function `locks_owner_has_blockers':
>     gpio.c:(.text+0x26): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/fork.o: in function `locks_owner_has_blockers':
>     fork.c:(.text+0x6b4): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/exec_domain.o: in function `locks_owner_has_blockers':
>     exec_domain.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/panic.o: in function `locks_owner_has_blockers':
>     panic.c:(.text+0x1d6): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/cpu.o: in function `locks_owner_has_blockers':
>     cpu.c:(.text+0x296): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/exit.o: in function `locks_owner_has_blockers':
>     exit.c:(.text+0x948): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/softirq.o: in function `locks_owner_has_blockers':
>     softirq.c:(.text+0x12e): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/resource.o: in function `locks_owner_has_blockers':
>     resource.c:(.text+0x6de): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sysctl.o: in function `locks_owner_has_blockers':
>     sysctl.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/capability.o: in function `locks_owner_has_blockers':
>     capability.c:(.text+0x288): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/ptrace.o: in function `locks_owner_has_blockers':
>     ptrace.c:(.text+0x474): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/signal.o: in function `locks_owner_has_blockers':
>     signal.c:(.text+0x9cc): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sys.o: in function `locks_owner_has_blockers':
>     sys.c:(.text+0xdd4): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/umh.o: in function `locks_owner_has_blockers':
>     umh.c:(.text+0x47a): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/workqueue.o: in function `locks_owner_has_blockers':
>     workqueue.c:(.text+0x1e40): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/pid.o: in function `locks_owner_has_blockers':
>     pid.c:(.text+0xc6): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/task_work.o: in function `locks_owner_has_blockers':
>     task_work.c:(.text+0x24): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/extable.o: in function `locks_owner_has_blockers':
>     extable.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/params.o: in function `locks_owner_has_blockers':
>     params.c:(.text+0x998): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/kthread.o: in function `locks_owner_has_blockers':
>     kthread.c:(.text+0x6c0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/nsproxy.o: in function `locks_owner_has_blockers':
>     nsproxy.c:(.text+0x1fc): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/notifier.o: in function `locks_owner_has_blockers':
>     notifier.c:(.text+0x12c): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/ksysfs.o: in function `locks_owner_has_blockers':
>     ksysfs.c:(.text+0x180): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/cred.o: in function `locks_owner_has_blockers':
>     cred.c:(.text+0x11a): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/reboot.o: in function `locks_owner_has_blockers':
>     reboot.c:(.text+0x1d2): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/groups.o: in function `locks_owner_has_blockers':
>     groups.c:(.text+0x32): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sched/core.o: in function `locks_owner_has_blockers':
>     core.c:(.text+0x918): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sched/loadavg.o: in function `locks_owner_has_blockers':
>     loadavg.c:(.text+0x38): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sched/clock.o: in function `locks_owner_has_blockers':
>     clock.c:(.text+0x0): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>     m68k-linux-ld: kernel/sched/cputime.o: in function `locks_owner_has_blockers':
>     cputime.c:(.text+0x76): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here
>
> ---
> 0-DAY CI Kernel Test Service
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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