Error: failed to load BTF from vmlinux: No such file or directory

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   625acffd7ae2c52898d249e6c5c39f348db0d8df
commit: 4bba4c4bb09ad4a2b70836725e08439c86d8f9e4 tools headers: Get tools's linux/compiler.h closer to the kernel's
date:   6 months ago
config: x86_64-rhel-8.3-kselftests+CONFIG_DEBUG_INFO_REDUCED (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4bba4c4bb09ad4a2b70836725e08439c86d8f9e4
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4bba4c4bb09ad4a2b70836725e08439c86d8f9e4
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> Error: failed to load BTF from vmlinux: No such file or directory

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip