seccomp_ret_trace_x0_bypass.c:58:28: error: array type has incomplete element type 'struct sock_filter'

seccomp_ret_trace_x0_bypass.c:58:28: error: array type has incomplete element type 'struct sock_filter'

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Jinjie Ruan <ruanjinjie@huawei.com>
CC: 0day robot <lkp@intel.com>

tree:   https://github.com/intel-lab-lkp/linux/commits/Jinjie-Ruan/kselftest-arm64-Add-seccomp-ptrace-x0-bypass-test/20260813-111613
head:   d4a8c9b264683748947dd76ad85fa460ff2eb070
commit: d4a8c9b264683748947dd76ad85fa460ff2eb070 kselftest/arm64: Add SECCOMP_RET_TRACE x0 bypass test
date:   3 days ago
:::::: branch date: 3 days ago
:::::: commit date: 3 days ago
config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260816/202608160426.grUFLFRc-lkp@intel.com/config)
compiler: aarch64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260816/202608160426.grUFLFRc-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/r/202608160426.grUFLFRc-lkp@intel.com/

All errors (new ones prefixed by >>):

   seccomp_ret_trace_x0_bypass.c: In function 'do_child':
>> seccomp_ret_trace_x0_bypass.c:58:28: error: array type has incomplete element type 'struct sock_filter'
      58 |         struct sock_filter filter[] = {
         |                            ^~~~~~
>> seccomp_ret_trace_x0_bypass.c:59:17: error: implicit declaration of function 'BPF_STMT'; did you mean 'BPF_STX'? [-Wimplicit-function-declaration]
      59 |                 BPF_STMT(BPF_LD | BPF_W | BPF_ABS, 0),                  /* syscall nr */
         |                 ^~~~~~~~
         |                 BPF_STX
>> seccomp_ret_trace_x0_bypass.c:60:17: error: implicit declaration of function 'BPF_JUMP'; did you mean 'BPF_JMP'? [-Wimplicit-function-declaration]
      60 |                 BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, __NR_write, 0, 1),
         |                 ^~~~~~~~
         |                 BPF_JMP
>> seccomp_ret_trace_x0_bypass.c:64:16: error: variable 'prog' has initializer but incomplete type
      64 |         struct sock_fprog prog = {
         |                ^~~~~~~~~~
>> seccomp_ret_trace_x0_bypass.c:65:18: error: 'struct sock_fprog' has no member named 'len'
      65 |                 .len = ARRAY_SIZE(filter),
         |                  ^~~
   In file included from seccomp_ret_trace_x0_bypass.c:31:
   tools/testing/selftests/kselftest.h:64:25: warning: excess elements in struct initializer
      64 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
         |                         ^
   seccomp_ret_trace_x0_bypass.c:65:24: note: in expansion of macro 'ARRAY_SIZE'
      65 |                 .len = ARRAY_SIZE(filter),
         |                        ^~~~~~~~~~
   tools/testing/selftests/kselftest.h:64:25: note: (near initialization for 'prog')
      64 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
         |                         ^
   seccomp_ret_trace_x0_bypass.c:65:24: note: in expansion of macro 'ARRAY_SIZE'
      65 |                 .len = ARRAY_SIZE(filter),
         |                        ^~~~~~~~~~
>> seccomp_ret_trace_x0_bypass.c:66:18: error: 'struct sock_fprog' has no member named 'filter'
      66 |                 .filter = filter,
         |                  ^~~~~~
   seccomp_ret_trace_x0_bypass.c:66:27: warning: excess elements in struct initializer
      66 |                 .filter = filter,
         |                           ^~~~~~
   seccomp_ret_trace_x0_bypass.c:66:27: note: (near initialization for 'prog')
>> seccomp_ret_trace_x0_bypass.c:64:27: error: storage size of 'prog' isn't known
      64 |         struct sock_fprog prog = {
         |                           ^~~~
   seccomp_ret_trace_x0_bypass.c:64:27: warning: unused variable 'prog' [-Wunused-variable]
   seccomp_ret_trace_x0_bypass.c:58:28: warning: unused variable 'filter' [-Wunused-variable]
      58 |         struct sock_filter filter[] = {
         |                            ^~~~~~

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