selftests/bpf: Negative test case for tail call map

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This patch adds a negative test case for the following verifier error.

    expected prog array map for tail call

Acked-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/aGu0i1X_jII-3aFa@mail.gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Paul Chaignon 2025-07-07 13:50:35 +02:00 • committed by Alexei Starovoitov

parent df4b1eebd8

commit 192e3aa145

2 changed files with 33 additions and 0 deletions

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2

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

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31

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

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