On Wed, Dec 29, 2021 at 06:29:05PM +0000, Tyler Wear wrote: > Unable to run any bpf tests do to errors below. These occur with and without the new patch. Is this a known issue? > Is the new test case required since bpf_skb_store_bytes() is already a tested function for other prog types? > > libbpf: failed to find BTF for extern 'bpf_testmod_invalid_mod_kfunc' [18] section: -2 > Error: failed to open BPF object file: No such file or directory > libbpf: failed to find BTF info for global/extern symbol 'my_tid' > Error: failed to link '/local/mnt/workspace/linux-stable/tools/testing/selftests/bpf/linked_funcs1.o': Unknown error -2 (-2) > libbpf: failed to find BTF for extern 'bpf_kfunc_call_test1' [27] section: -2 tools/testing/selftests/bpf/README.rst has details on these. Ensure the llvm and pahole are up to date. Also take a look at the "Testing patches" and "LLVM" section in Documentation/bpf/bpf_devel_QA.rst.
