Re: [kbuild-all] 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

From: Chen, Rong A
Date: Wed Mar 16 2022 - 04:12:04 EST




On 3/15/2022 1:02 AM, dai.ngo@xxxxxxxxxx wrote:
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@xxxxxxxxx/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@xxxxxxxxx>

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?

Hi Dai,

Thanks for the response, please ignore the report, the warning is not first introduced by the commit as you can see the other warnings in below lines:

Best Regards,
Rong Chen


    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

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