bpf: fix max call depth check

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fix off by one error in max call depth check
and add a test

Fixes: f4d7e40a5b ("bpf: introduce function calls (verification)")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Alexei Starovoitov 2017-12-25 13:15:42 -08:00 • committed by Daniel Borkmann

parent 6b86c4217c

commit aada9ce644

2 changed files with 37 additions and 2 deletions

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4

kernel/bpf/verifier.c

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35

tools/testing/selftests/bpf/test_verifier.c

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