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[ Upstream commit5ca681a86e] When redirecting the split BTF to the vmlinux base BTF, we need to mark the distilled base struct/union members of split BTF structs/unions in id_map with BTF_IS_EMBEDDED. This indicates that these types must match both name and size later. Therefore, we need to traverse the entire split BTF, which involves traversing type IDs from nr_dist_base_types to nr_types. However, the current implementation uses an incorrect traversal end type ID, so let's correct it. Fixes:19e00c897d("libbpf: Split BTF relocation") Signed-off-by: Pu Lehui <pulehui@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20250115100241.4171581-3-pulehui@huaweicloud.com Signed-off-by: Sasha Levin <sashal@kernel.org>