Hi David,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   f925116b24c0c42dc6d5ab5111c55fd7f74e8dc7
commit: fe147956fca4604b920e6be652abc9bea8ce8952 [7935/14039] bpf/selftests: Add selftests for new task kfuncs
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fe147956fca4604b920e6be652abc9bea8ce8952
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout fe147956fca4604b920e6be652abc9bea8ce8952
        make O=/tmp/kselftest headers
        make O=/tmp/kselftest -C tools/testing/selftests

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> progs/task_kfunc_failure.c:76:36: error: no member named 'last_wakee' in 'struct task_struct'
           acquired = bpf_task_acquire(task->last_wakee);
                                       ~~~~  ^
   1 error generated.

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