selftests/bpf: add a test for overlapping packet range checks

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add simple C test case for llvm and verifier range check fix from
commit b1977682a3 ("bpf: improve verifier packet range checks")

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alexei Starovoitov 2017-03-30 21:45:41 -07:00 • committed by David S. Miller

parent dd26b7f54a

commit 6882804c91

3 changed files with 215 additions and 4 deletions

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17

tools/testing/selftests/bpf/Makefile

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64

tools/testing/selftests/bpf/test_pkt_access.c

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138

tools/testing/selftests/bpf/test_progs.c

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