selftests/bpf: Test duplicate bpf_refcount fields

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Add a raw BTF test with two bpf_refcount fields. The duplicate must be
rejected during BTF loading instead of reaching the duplicate-field
invariant in btf_parse_fields().

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://patch.msgid.link/20260719153634.2908692-6-memxor@gmail.com
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>

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Kumar Kartikeya Dwivedi 2026-07-19 17:36:32 +02:00 • committed by Eduard Zingerman

parent 9f2afb635c

commit 643bd5af85

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

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