canonical-ubuntu-qa team mailing list archive

Thread
Date
[Bug 2122634] [NEW] ubuntu_bpf failed to build on N-6.17 variant (error: call to undeclared function 'bpf_copy_from_user_task_str')

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Po-Hsu Lin <2122634@xxxxxxxxxxxxxxxxxx>
Date: Fri, 12 Sep 2025 05:51:39 -0000
Reply-to: Bug 2122634 <2122634@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

Issue found on N/oem-6.17 6.17.0-1002.2, I believe this is affecting
other Noble 6.17 variants as well.

Build log:
 make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests'
 make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
   CLEAN    
   CLEAN   eBPF_helpers-manpage
   CLEAN   eBPF_syscall-manpage
 make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
 make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
 
 Auto-detecting system features:
 ...                                    llvm: [ ␛[32mon␛[m  ]
 
   MKDIR    libbpf
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/bpf_helper_defs.h
   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/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
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/strset.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/linker.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/gen_loader.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/relo_core.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/usdt.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/zip.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/elf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/features.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_iter.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_relocate.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
   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/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
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/strset.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/linker.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/gen_loader.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/relo_core.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/usdt.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/zip.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/elf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/features.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_iter.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_relocate.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.1.7.0
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.pc
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/btf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_common.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_legacy.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helpers.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_tracing.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_endian.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_core_read.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/skel_internal.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_version.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/usdt.bpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helper_defs.h
   INSTALL libbpf_headers
   TEST-HDR [test_progs] tests.h
   EXT-OBJ  [test_progs] testing_helpers.o
   EXT-OBJ  [test_progs] cap_helpers.o
   EXT-OBJ  [test_progs] unpriv_helpers.o
   BINARY   test_verifier
   BINARY   test_tag
   MKDIR    bpftool
 
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/hashmap.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/nlattr.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/relo_core.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_internal.h
   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/btf_dumper.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/cgroup.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/feature.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/iter.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/jit_disasm.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/link.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/map.o
   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/net.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/perf.o
   MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/hashmap.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/relo_core.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_internal.h
   MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/
   MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/bpf_helper_defs.h
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/bpf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/nlattr.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf_errno.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/str_error.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/netlink.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/bpf_prog_linfo.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf_probes.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/hashmap.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_dump.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/ringbuf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/strset.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/linker.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/gen_loader.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/relo_core.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/usdt.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/zip.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/elf.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/features.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_iter.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_relocate.o
   LD      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf-in.o
   LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/libbpf.a
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/btf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_common.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_legacy.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_helpers.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_tracing.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_endian.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_core_read.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/skel_internal.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_version.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/usdt.bpf.h
   INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_helper_defs.h
   INSTALL libbpf_headers
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/main.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/common.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/json_writer.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/gen.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/btf.o
   LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/bpftool
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/vmlinux.h
   CLANG   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.bpf.o
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.skel.h
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pids.o
   CLANG   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/profiler.bpf.o
   GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/profiler.skel.h
   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/struct_ops.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/xlated_dumper.o
   CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/disasm.o
   LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bpftool
   INSTALL bpftool
   GEN      vmlinux.h
   CLNG-BPF [test_progs] access_map_in_map.bpf.o
   GEN-SKEL [test_progs] access_map_in_map.skel.h
   CLNG-BPF [test_progs] arena_atomics.bpf.o
   GEN-SKEL [test_progs] arena_atomics.skel.h
   CLNG-BPF [test_progs] arena_htab.bpf.o
   GEN-SKEL [test_progs] arena_htab.skel.h
   CLNG-BPF [test_progs] arena_htab_asm.bpf.o
   GEN-SKEL [test_progs] arena_htab_asm.skel.h
   CLNG-BPF [test_progs] arena_list.bpf.o
   GEN-SKEL [test_progs] arena_list.skel.h
   CLNG-BPF [test_progs] arena_spin_lock.bpf.o
   GEN-SKEL [test_progs] arena_spin_lock.skel.h
   CLNG-BPF [test_progs] async_stack_depth.bpf.o
   GEN-SKEL [test_progs] async_stack_depth.skel.h
   CLNG-BPF [test_progs] atomic_bounds.bpf.o
   GEN-SKEL [test_progs] atomic_bounds.skel.h
   CLNG-BPF [test_progs] bad_struct_ops.bpf.o
   GEN-SKEL [test_progs] bad_struct_ops.skel.h
   CLNG-BPF [test_progs] bad_struct_ops2.bpf.o
   GEN-SKEL [test_progs] bad_struct_ops2.skel.h
   CLNG-BPF [test_progs] bench_local_storage_create.bpf.o
   GEN-SKEL [test_progs] bench_local_storage_create.skel.h
   CLNG-BPF [test_progs] bench_sockmap_prog.bpf.o
   GEN-SKEL [test_progs] bench_sockmap_prog.skel.h
   CLNG-BPF [test_progs] bind4_prog.bpf.o
   GEN-SKEL [test_progs] bind4_prog.skel.h
   CLNG-BPF [test_progs] bind6_prog.bpf.o
   GEN-SKEL [test_progs] bind6_prog.skel.h
   CLNG-BPF [test_progs] bind_perm.bpf.o
   GEN-SKEL [test_progs] bind_perm.skel.h
   CLNG-BPF [test_progs] bloom_filter_bench.bpf.o
   GEN-SKEL [test_progs] bloom_filter_bench.skel.h
   CLNG-BPF [test_progs] bloom_filter_map.bpf.o
   GEN-SKEL [test_progs] bloom_filter_map.skel.h
   CLNG-BPF [test_progs] bpf_cc_cubic.bpf.o
   GEN-SKEL [test_progs] bpf_cc_cubic.skel.h
   CLNG-BPF [test_progs] bpf_cubic.bpf.o
   GEN-SKEL [test_progs] bpf_cubic.skel.h
   CLNG-BPF [test_progs] bpf_dctcp.bpf.o
   GEN-SKEL [test_progs] bpf_dctcp.skel.h
   CLNG-BPF [test_progs] bpf_dctcp_release.bpf.o
   GEN-SKEL [test_progs] bpf_dctcp_release.skel.h
   CLNG-BPF [test_progs] bpf_flow.bpf.o
   GEN-SKEL [test_progs] bpf_flow.skel.h
   CLNG-BPF [test_progs] bpf_hashmap_full_update_bench.bpf.o
   GEN-SKEL [test_progs] bpf_hashmap_full_update_bench.skel.h
   CLNG-BPF [test_progs] bpf_hashmap_lookup.bpf.o
   GEN-SKEL [test_progs] bpf_hashmap_lookup.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_array_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_array_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_hash_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_hash_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_link.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_link.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_percpu_array_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_percpu_array_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_percpu_hash_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_percpu_hash_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_sk_storage_helpers.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_sk_storage_helpers.skel.h
   CLNG-BPF [test_progs] bpf_iter_bpf_sk_storage_map.bpf.o
   GEN-SKEL [test_progs] bpf_iter_bpf_sk_storage_map.skel.h
   CLNG-BPF [test_progs] bpf_iter_ipv6_route.bpf.o
   GEN-SKEL [test_progs] bpf_iter_ipv6_route.skel.h
   CLNG-BPF [test_progs] bpf_iter_ksym.bpf.o
   GEN-SKEL [test_progs] bpf_iter_ksym.skel.h
   CLNG-BPF [test_progs] bpf_iter_map_elem.bpf.o
   GEN-SKEL [test_progs] bpf_iter_map_elem.skel.h
   CLNG-BPF [test_progs] bpf_iter_netlink.bpf.o
   GEN-SKEL [test_progs] bpf_iter_netlink.skel.h
   CLNG-BPF [test_progs] bpf_iter_setsockopt.bpf.o
   GEN-SKEL [test_progs] bpf_iter_setsockopt.skel.h
   CLNG-BPF [test_progs] bpf_iter_setsockopt_unix.bpf.o
   GEN-SKEL [test_progs] bpf_iter_setsockopt_unix.skel.h
   CLNG-BPF [test_progs] bpf_iter_sockmap.bpf.o
   GEN-SKEL [test_progs] bpf_iter_sockmap.skel.h
   CLNG-BPF [test_progs] bpf_iter_task_btf.bpf.o
   GEN-SKEL [test_progs] bpf_iter_task_btf.skel.h
   CLNG-BPF [test_progs] bpf_iter_task_file.bpf.o
   GEN-SKEL [test_progs] bpf_iter_task_file.skel.h
   CLNG-BPF [test_progs] bpf_iter_task_stack.bpf.o
   GEN-SKEL [test_progs] bpf_iter_task_stack.skel.h
   CLNG-BPF [test_progs] bpf_iter_task_vmas.bpf.o
   GEN-SKEL [test_progs] bpf_iter_task_vmas.skel.h
   CLNG-BPF [test_progs] bpf_iter_tasks.bpf.o
 make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
 make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests'
 stderr:
 progs/bpf_iter_tasks.c:98:8: error: call to undeclared function 'bpf_copy_from_user_task_str'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    98 |         ret = bpf_copy_from_user_task_str((char *)task_str1, sizeof(task_str1), ptr, task, 0);
       |               ^
 1 error generated.
 make[1]: *** [Makefile:733: /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/bpf_iter_tasks.bpf.o] Error 1
 make: *** [Makefile:208: all] Error 2

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux-oem-6.17 (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux-oem-6.17 (Ubuntu Noble)
     Importance: Undecided
         Status: New


** Tags: 6.17 noble ubuntu-bpf

** Tags added: 6.17 noble ubuntu-bpf

** Also affects: linux-oem-6.17 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.17 (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Changed in: linux-oem-6.17 (Ubuntu)
       Status: New => Invalid

-- 
You received this bug notification because you are a member of Canonical
Platform QA Team, which is subscribed to ubuntu-kernel-tests.
https://bugs.launchpad.net/bugs/2122634

Title:
  ubuntu_bpf failed to build on N-6.17 variant (error: call to
  undeclared function 'bpf_copy_from_user_task_str')

Status in ubuntu-kernel-tests:
  New
Status in linux-oem-6.17 package in Ubuntu:
  Invalid
Status in linux-oem-6.17 source package in Noble:
  New

Bug description:
  Issue found on N/oem-6.17 6.17.0-1002.2, I believe this is affecting
  other Noble 6.17 variants as well.

  Build log:
   make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests'
   make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
     CLEAN    
     CLEAN   eBPF_helpers-manpage
     CLEAN   eBPF_syscall-manpage
   make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
   make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
   
   Auto-detecting system features:
   ...                                    llvm: [ ␛[32mon␛[m  ]
   
     MKDIR    libbpf
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/bpf_helper_defs.h
     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/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
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/strset.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/linker.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/gen_loader.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/relo_core.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/usdt.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/zip.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/elf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/features.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_iter.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_relocate.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
     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/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
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/strset.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/linker.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/gen_loader.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/relo_core.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/usdt.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/zip.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/elf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/features.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_iter.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_relocate.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.1.7.0
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.pc
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/btf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_common.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_legacy.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helpers.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_tracing.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_endian.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_core_read.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/skel_internal.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_version.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/usdt.bpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helper_defs.h
     INSTALL libbpf_headers
     TEST-HDR [test_progs] tests.h
     EXT-OBJ  [test_progs] testing_helpers.o
     EXT-OBJ  [test_progs] cap_helpers.o
     EXT-OBJ  [test_progs] unpriv_helpers.o
     BINARY   test_verifier
     BINARY   test_tag
     MKDIR    bpftool
   
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/hashmap.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/nlattr.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/relo_core.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/libbpf_internal.h
     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/btf_dumper.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/cgroup.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/feature.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/iter.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/jit_disasm.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/link.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/map.o
     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/net.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/perf.o
     MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/hashmap.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/relo_core.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_internal.h
     MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/
     MKDIR   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/bpf_helper_defs.h
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/bpf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/nlattr.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf_errno.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/str_error.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/netlink.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/bpf_prog_linfo.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf_probes.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/hashmap.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_dump.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/ringbuf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/strset.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/linker.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/gen_loader.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/relo_core.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/usdt.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/zip.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/elf.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/features.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_iter.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/btf_relocate.o
     LD      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/staticobjs/libbpf-in.o
     LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/libbpf.a
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/btf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_common.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_legacy.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_helpers.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_tracing.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_endian.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_core_read.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/skel_internal.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/libbpf_version.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/usdt.bpf.h
     INSTALL /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/libbpf/include/bpf/bpf_helper_defs.h
     INSTALL libbpf_headers
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/main.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/common.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/json_writer.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/gen.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/btf.o
     LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bootstrap/bpftool
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/vmlinux.h
     CLANG   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.bpf.o
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.skel.h
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pids.o
     CLANG   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/profiler.bpf.o
     GEN     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/profiler.skel.h
     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/struct_ops.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/xlated_dumper.o
     CC      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/disasm.o
     LINK    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bpftool
     INSTALL bpftool
     GEN      vmlinux.h
     CLNG-BPF [test_progs] access_map_in_map.bpf.o
     GEN-SKEL [test_progs] access_map_in_map.skel.h
     CLNG-BPF [test_progs] arena_atomics.bpf.o
     GEN-SKEL [test_progs] arena_atomics.skel.h
     CLNG-BPF [test_progs] arena_htab.bpf.o
     GEN-SKEL [test_progs] arena_htab.skel.h
     CLNG-BPF [test_progs] arena_htab_asm.bpf.o
     GEN-SKEL [test_progs] arena_htab_asm.skel.h
     CLNG-BPF [test_progs] arena_list.bpf.o
     GEN-SKEL [test_progs] arena_list.skel.h
     CLNG-BPF [test_progs] arena_spin_lock.bpf.o
     GEN-SKEL [test_progs] arena_spin_lock.skel.h
     CLNG-BPF [test_progs] async_stack_depth.bpf.o
     GEN-SKEL [test_progs] async_stack_depth.skel.h
     CLNG-BPF [test_progs] atomic_bounds.bpf.o
     GEN-SKEL [test_progs] atomic_bounds.skel.h
     CLNG-BPF [test_progs] bad_struct_ops.bpf.o
     GEN-SKEL [test_progs] bad_struct_ops.skel.h
     CLNG-BPF [test_progs] bad_struct_ops2.bpf.o
     GEN-SKEL [test_progs] bad_struct_ops2.skel.h
     CLNG-BPF [test_progs] bench_local_storage_create.bpf.o
     GEN-SKEL [test_progs] bench_local_storage_create.skel.h
     CLNG-BPF [test_progs] bench_sockmap_prog.bpf.o
     GEN-SKEL [test_progs] bench_sockmap_prog.skel.h
     CLNG-BPF [test_progs] bind4_prog.bpf.o
     GEN-SKEL [test_progs] bind4_prog.skel.h
     CLNG-BPF [test_progs] bind6_prog.bpf.o
     GEN-SKEL [test_progs] bind6_prog.skel.h
     CLNG-BPF [test_progs] bind_perm.bpf.o
     GEN-SKEL [test_progs] bind_perm.skel.h
     CLNG-BPF [test_progs] bloom_filter_bench.bpf.o
     GEN-SKEL [test_progs] bloom_filter_bench.skel.h
     CLNG-BPF [test_progs] bloom_filter_map.bpf.o
     GEN-SKEL [test_progs] bloom_filter_map.skel.h
     CLNG-BPF [test_progs] bpf_cc_cubic.bpf.o
     GEN-SKEL [test_progs] bpf_cc_cubic.skel.h
     CLNG-BPF [test_progs] bpf_cubic.bpf.o
     GEN-SKEL [test_progs] bpf_cubic.skel.h
     CLNG-BPF [test_progs] bpf_dctcp.bpf.o
     GEN-SKEL [test_progs] bpf_dctcp.skel.h
     CLNG-BPF [test_progs] bpf_dctcp_release.bpf.o
     GEN-SKEL [test_progs] bpf_dctcp_release.skel.h
     CLNG-BPF [test_progs] bpf_flow.bpf.o
     GEN-SKEL [test_progs] bpf_flow.skel.h
     CLNG-BPF [test_progs] bpf_hashmap_full_update_bench.bpf.o
     GEN-SKEL [test_progs] bpf_hashmap_full_update_bench.skel.h
     CLNG-BPF [test_progs] bpf_hashmap_lookup.bpf.o
     GEN-SKEL [test_progs] bpf_hashmap_lookup.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_array_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_array_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_hash_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_hash_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_link.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_link.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_percpu_array_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_percpu_array_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_percpu_hash_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_percpu_hash_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_sk_storage_helpers.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_sk_storage_helpers.skel.h
     CLNG-BPF [test_progs] bpf_iter_bpf_sk_storage_map.bpf.o
     GEN-SKEL [test_progs] bpf_iter_bpf_sk_storage_map.skel.h
     CLNG-BPF [test_progs] bpf_iter_ipv6_route.bpf.o
     GEN-SKEL [test_progs] bpf_iter_ipv6_route.skel.h
     CLNG-BPF [test_progs] bpf_iter_ksym.bpf.o
     GEN-SKEL [test_progs] bpf_iter_ksym.skel.h
     CLNG-BPF [test_progs] bpf_iter_map_elem.bpf.o
     GEN-SKEL [test_progs] bpf_iter_map_elem.skel.h
     CLNG-BPF [test_progs] bpf_iter_netlink.bpf.o
     GEN-SKEL [test_progs] bpf_iter_netlink.skel.h
     CLNG-BPF [test_progs] bpf_iter_setsockopt.bpf.o
     GEN-SKEL [test_progs] bpf_iter_setsockopt.skel.h
     CLNG-BPF [test_progs] bpf_iter_setsockopt_unix.bpf.o
     GEN-SKEL [test_progs] bpf_iter_setsockopt_unix.skel.h
     CLNG-BPF [test_progs] bpf_iter_sockmap.bpf.o
     GEN-SKEL [test_progs] bpf_iter_sockmap.skel.h
     CLNG-BPF [test_progs] bpf_iter_task_btf.bpf.o
     GEN-SKEL [test_progs] bpf_iter_task_btf.skel.h
     CLNG-BPF [test_progs] bpf_iter_task_file.bpf.o
     GEN-SKEL [test_progs] bpf_iter_task_file.skel.h
     CLNG-BPF [test_progs] bpf_iter_task_stack.bpf.o
     GEN-SKEL [test_progs] bpf_iter_task_stack.skel.h
     CLNG-BPF [test_progs] bpf_iter_task_vmas.bpf.o
     GEN-SKEL [test_progs] bpf_iter_task_vmas.skel.h
     CLNG-BPF [test_progs] bpf_iter_tasks.bpf.o
   make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf'
   make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests'
   stderr:
   progs/bpf_iter_tasks.c:98:8: error: call to undeclared function 'bpf_copy_from_user_task_str'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      98 |         ret = bpf_copy_from_user_task_str((char *)task_str1, sizeof(task_str1), ptr, task, 0);
         |               ^
   1 error generated.
   make[1]: *** [Makefile:733: /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/bpf_iter_tasks.bpf.o] Error 1
   make: *** [Makefile:208: all] Error 2

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2122634/+subscriptions