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[Po-Hsu Lin <2028932@xxxxxxxxxxxxxxxxxx>]

** Also affects: linux-oem-6.1 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.1 (Ubuntu Jammy)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2028932

Title:
  ubuntu_bpf failed to build with j-oem-6.1.0-1018.18

Status in ubuntu-kernel-tests:
  New
Status in linux-oem-6.1 package in Ubuntu:
  New
Status in linux-oem-6.1 source package in Jammy:
  New

Bug description:
  Issue found with J-oem-6.1.0-1018.18

  Test build failed with:
      CLNG-BPF [test_maps] test_check_mtu.bpf.o
      CLNG-BPF [test_maps] test_cls_redirect.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/test_cls_redirect.c:90:2: error: static_assert expression is not an integral constant expression 
            sizeof(flow_ports_t) !=
            ^~~~~~~~~~~~~~~~~~~~~~~
    progs/test_cls_redirect.c:91:3: note: cast that performs the conversions of a reinterpret_cast is not allowed in a constant expression
                    offsetofend(struct bpf_sock_tuple, ipv4.dport) -
                    ^
    progs/test_cls_redirect.c:32:3: note: expanded from macro 'offsetofend'
            (offsetof(TYPE, MEMBER) + sizeof((((TYPE *)0)->MEMBER)))
             ^
    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helpers.h:86:33: note: expanded from macro 'offsetof'
    #define offsetof(type, member)  ((unsigned long)&((type *)0)->member)
                                     ^
    progs/test_cls_redirect.c:95:2: error: static_assert expression is not an integral constant expression
            sizeof(flow_ports_t) !=
            ^~~~~~~~~~~~~~~~~~~~~~~ 
    progs/test_cls_redirect.c:96:3: note: cast that performs the conversions of a reinterpret_cast is not allowed in a constant expression
                    offsetofend(struct bpf_sock_tuple, ipv6.dport) -
                    ^
    progs/test_cls_redirect.c:32:3: note: expanded from macro 'offsetofend'
            (offsetof(TYPE, MEMBER) + sizeof((((TYPE *)0)->MEMBER)))
             ^
    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/bpf/bpf_helpers.h:86:33: note: expanded from macro 'offsetof'
    #define offsetof(type, member)  ((unsigned long)&((type *)0)->member)
                                     ^
    2 errors generated.
    make[1]: *** [Makefile:531: /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/test_cls_redirect.bpf.o] Error 1
    make: *** [Makefile:160: all] Error 2

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