With bug 1903279 fixed, this test still cannot be built on F-oem-5.10 (5.10.0-1002-oem), build failed with:
Error: failed to load BTF from format: No such file or directory
$ sudo make
MKDIR include
MKDIR libbpf
HOSTCC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep.o
HOSTLD /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep-in.o
LINK /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/bpf_helper_defs.h
MKDIR /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/bpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/nlattr.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf_errno.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/str_error.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/netlink.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/bpf_prog_linfo.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf_probes.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/xsk.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/hashmap.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_dump.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/ringbuf.o
LD /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf-in.o
LINK /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.a
Warning: Kernel ABI header at 'tools/include/uapi/linux/netlink.h' differs from latest version at 'include/uapi/linux/netlink.h'
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_link.h' differs from latest version at 'include/uapi/linux/if_link.h'
MKDIR /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/bpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/nlattr.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf_errno.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/str_error.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/netlink.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/bpf_prog_linfo.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf_probes.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/xsk.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/hashmap.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_dump.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/ringbuf.o
LD /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o
LINK /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so.0.2.0
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.pc
INSTALL headers
CC test_stub.o
BINARY test_verifier
BINARY test_tag
MKDIR bpftool
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/map_perf_ring.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/xlated_dumper.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/iter.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/btf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/tracelog.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/perf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/common.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/btf_dumper.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/net.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/struct_ops.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/netlink_dumper.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/link.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/cgroup.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/prog.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/gen.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/main.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/json_writer.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/cfg.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/map.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pids.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/feature.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/disasm.o
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/bpf_helper_defs.h
MKDIR /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/bpf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/nlattr.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/btf.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf_errno.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/str_error.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/netlink.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/bpf_prog_linfo.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf_probes.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/xsk.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/hashmap.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/btf_dump.o
CC /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/ringbuf.o
LD /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf-in.o
LINK /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/libbpf.a
LINK /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bpftool
INSTALL bpftool
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-perf.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-map.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-link.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-iter.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-net.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-struct_ops.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-feature.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-prog.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-gen.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-cgroup.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-btf.8
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpf-helpers.rst
GEN /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpf-helpers.7
INSTALL eBPF_helpers-manpage
INSTALL Documentation-man
GEN vmlinux.h
Error: failed to load BTF from format: No such file or directory
make: *** [Makefile:199: /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/vmlinux.h] Error 2
make: *** Deleting file '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/vmlinux.h'
