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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Clear (ClamAV 1.0.7/27692/Mon Jul 7 10:35:53 2025) On 7/7/25 9:17 AM, Saket Kumar Bhaskar wrote: > BPF selftest fails to build with below error: > > CLNG-BPF [test_progs] lsm_cgroup.bpf.o > progs/lsm_cgroup.c:105:21: error: variable has incomplete type 'struct sockaddr_ll' > 105 | struct sockaddr_ll sa = {}; > | ^ > progs/lsm_cgroup.c:105:9: note: forward declaration of 'struct sockaddr_ll' > 105 | struct sockaddr_ll sa = {}; > | ^ > 1 error generated. > > lsm_cgroup selftest requires sockaddr_ll structure which is not there > in vmlinux.h when the kernel is built with CONFIG_PACKET=m. > > Enabling CONFIG_PACKET=y ensures that sockaddr_ll is available in vmlinux, > allowing it to be captured in the generated vmlinux.h for bpf selftests. > > Reported-by: Sachin P Bappalige > Signed-off-by: Saket Kumar Bhaskar Acked-by: Daniel Borkmann