tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   479174d402bcf60789106eedc4def3957c060bad
commit: 3ca2fb497440a3c8294f9df0ce7b2c3c9a1c5875 bpftool: Fix error message of strerror
date:   10 weeks ago
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3ca2fb497440a3c8294f9df0ce7b2c3c9a1c5875
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 3ca2fb497440a3c8294f9df0ce7b2c3c9a1c5875
        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 >>):

>> Error: failed to load BTF from vmlinux: No such file or directory
   make[3]: *** [Makefile:180: tools/bpf/bpftool/vmlinux.h] Error 254
   make[3]: *** Waiting for unfinished jobs....
   make[2]: *** [Makefile:113: bpftool] Error 2
   make[2]: *** Waiting for unfinished jobs....
>> Error: failed to load BTF from vmlinux: No such file or directory
   make[3]: *** [Makefile:76: tools/bpf/runqslower//vmlinux.h] Error 254
   make[3]: *** Deleting file 'tools/bpf/runqslower//vmlinux.h'
   make[2]: *** [Makefile:122: runqslower] Error 2
--
>> Error: failed to load BTF from vmlinux: No such file or directory

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