selftests/bpf: Cover 4-byte load from remote_port in bpf_sk_lookup

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Extend the context access tests for sk_lookup prog to cover the surprising
case of a 4-byte load from the remote_port field, where the expected value
is actually shifted by 16 bits.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220209184333.654927-3-jakub@cloudflare.com

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Jakub Sitnicki 2022-02-09 19:43:33 +01:00 • committed by Alexei Starovoitov

parent 9a69e2b385

commit 2ed0dc5937

2 changed files with 8 additions and 1 deletions

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3

tools/include/uapi/linux/bpf.h

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6

tools/testing/selftests/bpf/progs/test_sk_lookup.c

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