selftests/bpf: Verify no warning when close fexit link

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Add a test to verify that there's no WARNING when detaching fexit link by
following the repro steps of previous commit.

Without the fix, the WARNING could be triggered by this test.

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Reviewed-by: Pu Lehui <pulehui@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20260722151909.69142-3-leon.hwang@linux.dev
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

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Leon Hwang 2026-07-22 23:19:09 +08:00 • committed by Kumar Kartikeya Dwivedi

parent 61aaa8782b

commit 09e074666b

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

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