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This patch adds a pro/epilogue test when the main prog has a goto insn that goes back to the very first instruction of the prog. It is to test the correctness of the adjust_jmp_off(prog, 0, delta) after the verifier has applied the prologue and/or epilogue patch. Acked-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://lore.kernel.org/r/20240829210833.388152-9-martin.lau@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org>