Re: [PATCH RFC 3/3] coredump: support AF_UNIX sockets

[kernel test robot <lkp@intel.com>]

Hi Christian,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on 80e14080a00bc429a4ee440d17746a49867df663]

url:    https://github.com/intel-lab-lkp/linux/commits/Christian-Brauner/coredump-massage-format_corname/20250430-191417
base:   80e14080a00bc429a4ee440d17746a49867df663
patch link:    https://lore.kernel.org/r/20250430-work-coredump-socket-v1-3-2faf027dbb47%40kernel.org
patch subject: [PATCH RFC 3/3] coredump: support AF_UNIX sockets
config: csky-randconfig-001-20250501 (https://download.01.org/0day-ci/archive/20250502/202505020158.k0MgUz2u-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250502/202505020158.k0MgUz2u-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/202505020158.k0MgUz2u-lkp@intel.com/

All errors (new ones prefixed by >>):

   csky-linux-ld: fs/coredump.o: in function `do_coredump':
   fs/coredump.c:851:(.text+0x1338): undefined reference to `__sys_socket_file'
>> csky-linux-ld: fs/coredump.c:870:(.text+0x1352): undefined reference to `__sys_connect_file'
>> csky-linux-ld: fs/coredump.c:875:(.text+0x135e): undefined reference to `sock_from_file'
>> csky-linux-ld: fs/coredump.c:875:(.text+0x1364): undefined reference to `__sys_shutdown_sock'
   csky-linux-ld: fs/coredump.o: in function `do_coredump':
>> arch/csky/include/asm/irqflags.h:38:(.text+0x1488): undefined reference to `__sys_socket_file'
>> csky-linux-ld: arch/csky/include/asm/irqflags.h:38:(.text+0x148c): undefined reference to `__sys_connect_file'
>> csky-linux-ld: arch/csky/include/asm/irqflags.h:38:(.text+0x1490): undefined reference to `sock_from_file'
>> csky-linux-ld: arch/csky/include/asm/irqflags.h:38:(.text+0x1494): undefined reference to `__sys_shutdown_sock'
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/rio_cm.o: defined in discarded section `.exit.text' of drivers/rapidio/rio_cm.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/rio_cm.o: defined in discarded section `.exit.text' of drivers/rapidio/rio_cm.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/rapidio/switches/idt_gen2.o: defined in discarded section `.exit.text' of drivers/rapidio/switches/idt_gen2.o
   `.exit.text' referenced in section `__jump_table' of drivers/misc/phantom.o: defined in discarded section `.exit.text' of drivers/misc/phantom.o
   `.exit.text' referenced in section `__jump_table' of drivers/misc/phantom.o: defined in discarded section `.exit.text' of drivers/misc/phantom.o

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