3829 static int bpf_copy_to_user(char __user *ubuf, const char *buf, u32 ulen,  in bpf_copy_to_user()  argument
3832 	if (ulen >= len + 1) {  in bpf_copy_to_user()
3838 		if (copy_to_user(ubuf, buf, ulen - 1))  in bpf_copy_to_user()
3840 		if (put_user(zero, ubuf + ulen - 1))  in bpf_copy_to_user()
3855 	u32 ulen = info->raw_tracepoint.tp_name_len;  in bpf_raw_tp_link_fill_link_info()  local
3858 	if (!ulen ^ !ubuf)  in bpf_raw_tp_link_fill_link_info()
3867 	return bpf_copy_to_user(ubuf, tp_name, ulen, tp_len);  in bpf_raw_tp_link_fill_link_info()
3905 	u32 prog_id, ulen;  in bpf_perf_link_fill_common()  local
3909 	ulen = *ulenp;  in bpf_perf_link_fill_common()
3910 	if (!ulen ^ !uname)  in bpf_perf_link_fill_common()
3928 		err = bpf_copy_to_user(uname, buf, ulen, len);  in bpf_perf_link_fill_common()
3947 	u32 ulen, type;  in bpf_perf_link_fill_kprobe()  local
3951 	ulen = info->perf_event.kprobe.name_len;  in bpf_perf_link_fill_kprobe()
3952 	err = bpf_perf_link_fill_common(event, uname, &ulen, &offset, &addr,  in bpf_perf_link_fill_kprobe()
3960 	info->perf_event.kprobe.name_len = ulen;  in bpf_perf_link_fill_kprobe()
4003 	u32 ulen, type;  in bpf_perf_link_fill_uprobe()  local
4007 	ulen = info->perf_event.uprobe.name_len;  in bpf_perf_link_fill_uprobe()
4008 	err = bpf_perf_link_fill_common(event, uname, &ulen, &offset, &ref_ctr_offset,  in bpf_perf_link_fill_uprobe()
4017 	info->perf_event.uprobe.name_len = ulen;  in bpf_perf_link_fill_uprobe()
4068 	u32 ulen;  in bpf_perf_link_fill_tracepoint()  local
4072 	ulen = info->perf_event.tracepoint.name_len;  in bpf_perf_link_fill_tracepoint()
4073 	err = bpf_perf_link_fill_common(event, uname, &ulen, NULL, NULL, NULL, NULL);  in bpf_perf_link_fill_tracepoint()
4078 	info->perf_event.tracepoint.name_len = ulen;  in bpf_perf_link_fill_tracepoint()
5022 	u32 ulen;  in bpf_prog_get_info_by_fd()  local
5045 	ulen = info.nr_map_ids;  in bpf_prog_get_info_by_fd()
5047 	ulen = min_t(u32, info.nr_map_ids, ulen);  in bpf_prog_get_info_by_fd()
5048 	if (ulen) {  in bpf_prog_get_info_by_fd()
5052 		for (i = 0; i < ulen; i++)  in bpf_prog_get_info_by_fd()
5085 	ulen = info.xlated_prog_len;  in bpf_prog_get_info_by_fd()
5087 	if (info.xlated_prog_len && ulen) {  in bpf_prog_get_info_by_fd()
5096 			ulen = min_t(u32, info.xlated_prog_len, ulen);  in bpf_prog_get_info_by_fd()
5097 			fault = copy_to_user(uinsns, insns_sanitized, ulen);  in bpf_prog_get_info_by_fd()
5117 	ulen = info.jited_prog_len;  in bpf_prog_get_info_by_fd()
5128 	if (info.jited_prog_len && ulen) {  in bpf_prog_get_info_by_fd()
5131 			ulen = min_t(u32, info.jited_prog_len, ulen);  in bpf_prog_get_info_by_fd()
5140 				free = ulen;  in bpf_prog_get_info_by_fd()
5153 				if (copy_to_user(uinsns, prog->bpf_func, ulen))  in bpf_prog_get_info_by_fd()
5161 	ulen = info.nr_jited_ksyms;  in bpf_prog_get_info_by_fd()
5163 	if (ulen) {  in bpf_prog_get_info_by_fd()
5172 			ulen = min_t(u32, info.nr_jited_ksyms, ulen);  in bpf_prog_get_info_by_fd()
5175 				for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
5192 	ulen = info.nr_jited_func_lens;  in bpf_prog_get_info_by_fd()
5194 	if (ulen) {  in bpf_prog_get_info_by_fd()
5200 			ulen = min_t(u32, info.nr_jited_func_lens, ulen);  in bpf_prog_get_info_by_fd()
5203 				for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
5223 	ulen = info.nr_func_info;  in bpf_prog_get_info_by_fd()
5225 	if (info.nr_func_info && ulen) {  in bpf_prog_get_info_by_fd()
5229 		ulen = min_t(u32, info.nr_func_info, ulen);  in bpf_prog_get_info_by_fd()
5231 				 info.func_info_rec_size * ulen))  in bpf_prog_get_info_by_fd()
5235 	ulen = info.nr_line_info;  in bpf_prog_get_info_by_fd()
5237 	if (info.nr_line_info && ulen) {  in bpf_prog_get_info_by_fd()
5241 		ulen = min_t(u32, info.nr_line_info, ulen);  in bpf_prog_get_info_by_fd()
5243 				 info.line_info_rec_size * ulen))  in bpf_prog_get_info_by_fd()
5247 	ulen = info.nr_jited_line_info;  in bpf_prog_get_info_by_fd()
5252 	if (info.nr_jited_line_info && ulen) {  in bpf_prog_get_info_by_fd()
5259 			ulen = min_t(u32, info.nr_jited_line_info, ulen);  in bpf_prog_get_info_by_fd()
5260 			for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
5270 	ulen = info.nr_prog_tags;  in bpf_prog_get_info_by_fd()
5272 	if (ulen) {  in bpf_prog_get_info_by_fd()
5277 		ulen = min_t(u32, info.nr_prog_tags, ulen);  in bpf_prog_get_info_by_fd()
5279 			for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()