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selftests/bpf: Add re-attach test to lsm test
authorJiri Olsa <jolsa@kernel.org>
Wed, 14 Apr 2021 19:51:45 +0000 (21:51 +0200)
committerAlexei Starovoitov <ast@kernel.org>
Mon, 26 Apr 2021 04:09:02 +0000 (21:09 -0700)
commitcede72ad367a105852e814ef91717aac4383b853
treeb66026686d49fd3408cbd9f33d34ef6a07417dda
parent8caadc43f2019caebbf314f7a6ae2faed791e783
selftests/bpf: Add re-attach test to lsm test

Adding the test to re-attach (detach/attach again) lsm programs,
plus check that already linked program can't be attached again.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210414195147.1624932-6-jolsa@kernel.org
tools/testing/selftests/bpf/prog_tests/test_lsm.c