selftests/bpf: verifier precise tests

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Use BPF_F_TEST_STATE_FREQ flag to check that precision
tracking works as expected by comparing every step it takes.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Alexei Starovoitov 2019-08-22 22:52:14 -07:00 • committed by Daniel Borkmann

parent 0fc2e0b84b

commit e8c13c4d9b

2 changed files with 174 additions and 11 deletions

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68

tools/testing/selftests/bpf/test_verifier.c

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117

tools/testing/selftests/bpf/verifier/precise.c

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