23050 			    const struct bpf_prog *tgt_prog,  in bpf_check_attach_target()  argument
23071 	btf = tgt_prog ? tgt_prog->aux->btf : prog->aux->attach_btf;  in bpf_check_attach_target()
23087 	if (tgt_prog) {  in bpf_check_attach_target()
23088 		struct bpf_prog_aux *aux = tgt_prog->aux;  in bpf_check_attach_target()
23093 		    !bpf_prog_dev_bound_match(prog, tgt_prog)) {  in bpf_check_attach_target()
23143 		if (!tgt_prog->jited) {  in bpf_check_attach_target()
23157 		} else if (tgt_prog->type == prog->type) {  in bpf_check_attach_target()
23166 		if (tgt_prog->type == BPF_PROG_TYPE_TRACING &&  in bpf_check_attach_target()
23168 		    (tgt_prog->expected_attach_type == BPF_TRACE_FENTRY ||  in bpf_check_attach_target()
23169 		     tgt_prog->expected_attach_type == BPF_TRACE_FEXIT)) {  in bpf_check_attach_target()
23196 		if (tgt_prog) {  in bpf_check_attach_target()
23281 		    (!tgt_prog || prog->aux->saved_dst_prog_type != tgt_prog->type ||  in bpf_check_attach_target()
23282 		     prog->aux->saved_dst_attach_type != tgt_prog->expected_attach_type))  in bpf_check_attach_target()
23285 		if (tgt_prog && conservative)  in bpf_check_attach_target()
23292 		if (tgt_prog) {  in bpf_check_attach_target()
23294 				addr = (long) tgt_prog->bpf_func;  in bpf_check_attach_target()
23296 				addr = (long) tgt_prog->aux->func[subprog]->bpf_func;  in bpf_check_attach_target()
23354 			if (tgt_prog) {  in bpf_check_attach_target()
23446 	struct bpf_prog *tgt_prog = prog->aux->dst_prog;  in check_attach_btf_id()  local
23474 	ret = bpf_check_attach_target(&env->log, prog, tgt_prog, btf_id, &tgt_info);  in check_attach_btf_id()
23478 	if (tgt_prog && prog->type == BPF_PROG_TYPE_EXT) {  in check_attach_btf_id()
23483 		env->ops = bpf_verifier_ops[tgt_prog->type];  in check_attach_btf_id()
23484 		prog->expected_attach_type = tgt_prog->expected_attach_type;  in check_attach_btf_id()
23492 	if (tgt_prog) {  in check_attach_btf_id()
23493 		prog->aux->saved_dst_prog_type = tgt_prog->type;  in check_attach_btf_id()
23494 		prog->aux->saved_dst_attach_type = tgt_prog->expected_attach_type;  in check_attach_btf_id()
23518 	key = bpf_trampoline_compute_key(tgt_prog, prog->aux->attach_btf, btf_id);  in check_attach_btf_id()
23523 	if (tgt_prog && tgt_prog->aux->tail_call_reachable)  in check_attach_btf_id()