3657 static int bpf_copy_to_user(char __user *ubuf, const char *buf, u32 ulen,  in bpf_copy_to_user()  argument
3660 	if (ulen >= len + 1) {  in bpf_copy_to_user()
3666 		if (copy_to_user(ubuf, buf, ulen - 1))  in bpf_copy_to_user()
3668 		if (put_user(zero, ubuf + ulen - 1))  in bpf_copy_to_user()
3683 	u32 ulen = info->raw_tracepoint.tp_name_len;  in bpf_raw_tp_link_fill_link_info()  local
3686 	if (!ulen ^ !ubuf)  in bpf_raw_tp_link_fill_link_info()
3694 	return bpf_copy_to_user(ubuf, tp_name, ulen, tp_len);  in bpf_raw_tp_link_fill_link_info()
3732 	u32 prog_id, ulen;  in bpf_perf_link_fill_common()  local
3736 	ulen = *ulenp;  in bpf_perf_link_fill_common()
3737 	if (!ulen ^ !uname)  in bpf_perf_link_fill_common()
3755 		err = bpf_copy_to_user(uname, buf, ulen, len);  in bpf_perf_link_fill_common()
3774 	u32 ulen, type;  in bpf_perf_link_fill_kprobe()  local
3778 	ulen = info->perf_event.kprobe.name_len;  in bpf_perf_link_fill_kprobe()
3779 	err = bpf_perf_link_fill_common(event, uname, &ulen, &offset, &addr,  in bpf_perf_link_fill_kprobe()
3787 	info->perf_event.kprobe.name_len = ulen;  in bpf_perf_link_fill_kprobe()
3804 	u32 ulen, type;  in bpf_perf_link_fill_uprobe()  local
3808 	ulen = info->perf_event.uprobe.name_len;  in bpf_perf_link_fill_uprobe()
3809 	err = bpf_perf_link_fill_common(event, uname, &ulen, &offset, &addr,  in bpf_perf_link_fill_uprobe()
3818 	info->perf_event.uprobe.name_len = ulen;  in bpf_perf_link_fill_uprobe()
3843 	u32 ulen;  in bpf_perf_link_fill_tracepoint()  local
3847 	ulen = info->perf_event.tracepoint.name_len;  in bpf_perf_link_fill_tracepoint()
3848 	err = bpf_perf_link_fill_common(event, uname, &ulen, NULL, NULL, NULL, NULL);  in bpf_perf_link_fill_tracepoint()
3853 	info->perf_event.tracepoint.name_len = ulen;  in bpf_perf_link_fill_tracepoint()
4707 	u32 ulen;  in bpf_prog_get_info_by_fd()  local
4730 	ulen = info.nr_map_ids;  in bpf_prog_get_info_by_fd()
4732 	ulen = min_t(u32, info.nr_map_ids, ulen);  in bpf_prog_get_info_by_fd()
4733 	if (ulen) {  in bpf_prog_get_info_by_fd()
4737 		for (i = 0; i < ulen; i++)  in bpf_prog_get_info_by_fd()
4770 	ulen = info.xlated_prog_len;  in bpf_prog_get_info_by_fd()
4772 	if (info.xlated_prog_len && ulen) {  in bpf_prog_get_info_by_fd()
4784 		ulen = min_t(u32, info.xlated_prog_len, ulen);  in bpf_prog_get_info_by_fd()
4785 		fault = copy_to_user(uinsns, insns_sanitized, ulen);  in bpf_prog_get_info_by_fd()
4802 	ulen = info.jited_prog_len;  in bpf_prog_get_info_by_fd()
4813 	if (info.jited_prog_len && ulen) {  in bpf_prog_get_info_by_fd()
4816 			ulen = min_t(u32, info.jited_prog_len, ulen);  in bpf_prog_get_info_by_fd()
4825 				free = ulen;  in bpf_prog_get_info_by_fd()
4838 				if (copy_to_user(uinsns, prog->bpf_func, ulen))  in bpf_prog_get_info_by_fd()
4846 	ulen = info.nr_jited_ksyms;  in bpf_prog_get_info_by_fd()
4848 	if (ulen) {  in bpf_prog_get_info_by_fd()
4857 			ulen = min_t(u32, info.nr_jited_ksyms, ulen);  in bpf_prog_get_info_by_fd()
4860 				for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
4877 	ulen = info.nr_jited_func_lens;  in bpf_prog_get_info_by_fd()
4879 	if (ulen) {  in bpf_prog_get_info_by_fd()
4885 			ulen = min_t(u32, info.nr_jited_func_lens, ulen);  in bpf_prog_get_info_by_fd()
4888 				for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
4908 	ulen = info.nr_func_info;  in bpf_prog_get_info_by_fd()
4910 	if (info.nr_func_info && ulen) {  in bpf_prog_get_info_by_fd()
4914 		ulen = min_t(u32, info.nr_func_info, ulen);  in bpf_prog_get_info_by_fd()
4916 				 info.func_info_rec_size * ulen))  in bpf_prog_get_info_by_fd()
4920 	ulen = info.nr_line_info;  in bpf_prog_get_info_by_fd()
4922 	if (info.nr_line_info && ulen) {  in bpf_prog_get_info_by_fd()
4926 		ulen = min_t(u32, info.nr_line_info, ulen);  in bpf_prog_get_info_by_fd()
4928 				 info.line_info_rec_size * ulen))  in bpf_prog_get_info_by_fd()
4932 	ulen = info.nr_jited_line_info;  in bpf_prog_get_info_by_fd()
4937 	if (info.nr_jited_line_info && ulen) {  in bpf_prog_get_info_by_fd()
4944 			ulen = min_t(u32, info.nr_jited_line_info, ulen);  in bpf_prog_get_info_by_fd()
4945 			for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()
4955 	ulen = info.nr_prog_tags;  in bpf_prog_get_info_by_fd()
4957 	if (ulen) {  in bpf_prog_get_info_by_fd()
4962 		ulen = min_t(u32, info.nr_prog_tags, ulen);  in bpf_prog_get_info_by_fd()
4964 			for (i = 0; i < ulen; i++) {  in bpf_prog_get_info_by_fd()