./include/linux/sched/signal.h:83:28: error: field 'dumpable' has incomplete type

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

BCC: [email protected]
CC: [email protected]
TO: "Eric W. Biederman" <[email protected]>
CC: 0day robot <[email protected]>

tree:   https://github.com/intel-lab-lkp/linux/commits/Eric-W-Biederman/signal-Generalize-posixtimer_queue_sigqueue-into-enqueue_signal/20260815-092530
head:   abc0c99c9e0b38872512681cc481b9b3e90b46ca
commit: 4ac29929e23ac8ad0a07a62755058da989a62f5f signal: Use the thread killing in get_signal for coredumps
date:   2 days ago
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260816/[email protected]/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/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/r/[email protected]/

All errors (new ones prefixed by >>):

   In file included from ./include/linux/ptrace.h:7,
                    from ./include/linux/audit.h:13,
                    from kernel/capability.c:13:
>> ./include/linux/sched/signal.h:83:28: error: field 'dumpable' has incomplete type
      83 |         enum task_dumpable dumpable;
         |                            ^~~~~~~~


vim +/dumpable +83 ./include/linux/sched/signal.h

0258b5fd7c7124 Eric W. Biederman 2021-09-22  80  
0258b5fd7c7124 Eric W. Biederman 2021-09-22  81  struct core_state {
0258b5fd7c7124 Eric W. Biederman 2021-09-22  82  	atomic_t nr_threads;
4ac29929e23ac8 Eric W. Biederman 2026-07-03 @83  	enum task_dumpable dumpable;
0258b5fd7c7124 Eric W. Biederman 2021-09-22  84  	struct core_thread dumper;
0258b5fd7c7124 Eric W. Biederman 2021-09-22  85  	struct completion startup;
0258b5fd7c7124 Eric W. Biederman 2021-09-22  86  };
0258b5fd7c7124 Eric W. Biederman 2021-09-22  87  

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