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With CONFIG_CFI enabled, the kernel strictly enforces that indirect function calls use a function pointer type that matches the target function. As bpf_testmod_ctx_release() signature differs from the btf_dtor_kfunc_t pointer type used for the destructor calls in bpf_obj_free_fields(), add a stub function with the correct type to fix the type mismatch. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Acked-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20260110082548.113748-9-samitolvanen@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>