[linux-next:master 9918/9925] powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'

[linux-next:master 9918/9925] powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   39676dfe52331dba909c617f213fdb21015c8d10
commit: c6aa10bc7b8bfcfaca4311ac5f39b4d6eb5b1ccf [9918/9925] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git
config: powerpc64-randconfig-r035-20211208 (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312230642.EBF6kiYY-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'
   powerpc64-linux-ld: warning: discarding dynamic section .glink
   powerpc64-linux-ld: warning: discarding dynamic section .plt
   powerpc64-linux-ld: linkage table error against `flush_module_init_free_work'
   powerpc64-linux-ld: stubs don't match calculated size
   powerpc64-linux-ld: can not build stubs: bad value
   powerpc64-linux-ld: init/main.o: in function `kernel_init':
   main.c:(.ref.text+0x224): undefined reference to `flush_module_init_free_work'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Re: [linux-next:master 9918/9925] powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'

[Yury Norov]

On Sat, Dec 23, 2023 at 06:15:23AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   39676dfe52331dba909c617f213fdb21015c8d10
> commit: c6aa10bc7b8bfcfaca4311ac5f39b4d6eb5b1ccf [9918/9925] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git
> config: powerpc64-randconfig-r035-20211208 (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/config)
> compiler: powerpc64-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202312230642.EBF6kiYY-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
> >> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'
>    powerpc64-linux-ld: warning: discarding dynamic section .glink
>    powerpc64-linux-ld: warning: discarding dynamic section .plt
>    powerpc64-linux-ld: linkage table error against `flush_module_init_free_work'
>    powerpc64-linux-ld: stubs don't match calculated size
>    powerpc64-linux-ld: can not build stubs: bad value
>    powerpc64-linux-ld: init/main.o: in function `kernel_init':
>    main.c:(.ref.text+0x224): undefined reference to `flush_module_init_free_work'

+ Stephen Rothwell, Changbin Du

So, it looks misattributed, and already fixed in 9a63d5058dd3545?

Thanks,
Yury

Re: [linux-next:master 9918/9925] powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'

[Changbin Du]

On Mon, Dec 25, 2023 at 09:19:19AM -0800, Yury Norov wrote:
> On Sat, Dec 23, 2023 at 06:15:23AM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   39676dfe52331dba909c617f213fdb21015c8d10
> > commit: c6aa10bc7b8bfcfaca4311ac5f39b4d6eb5b1ccf [9918/9925] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git
> > config: powerpc64-randconfig-r035-20211208 (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/config)
> > compiler: powerpc64-linux-gcc (GCC) 13.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312230642.EBF6kiYY-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202312230642.EBF6kiYY-lkp@intel.com/
> > 
> > All warnings (new ones prefixed by >>):
> > 
> > >> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data794' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data794'
> >    powerpc64-linux-ld: warning: discarding dynamic section .glink
> >    powerpc64-linux-ld: warning: discarding dynamic section .plt
> >    powerpc64-linux-ld: linkage table error against `flush_module_init_free_work'
> >    powerpc64-linux-ld: stubs don't match calculated size
> >    powerpc64-linux-ld: can not build stubs: bad value
> >    powerpc64-linux-ld: init/main.o: in function `kernel_init':
> >    main.c:(.ref.text+0x224): undefined reference to `flush_module_init_free_work'
> 
> + Stephen Rothwell, Changbin Du
> 
> So, it looks misattributed, and already fixed in 9a63d5058dd3545?
>
This is introuced by my patch V1 and fixed in V2. The version 2 is here (which
adds dummy definition for no CONFIG_MODULES):
https://lore.kernel.org/all/20231225061513.2984575-1-changbin.du@huawei.com/

Sorry for the trouble.

+ Morton

--
Cheers,
Changbin Du