diff --git a/libc/kernel/uapi/linux/bpf.h b/libc/kernel/uapi/linux/bpf.h
index 641ac55..807884a 100644
--- a/libc/kernel/uapi/linux/bpf.h
+++ b/libc/kernel/uapi/linux/bpf.h
@@ -74,10 +74,27 @@
   __u64 cgroup_inode_id;
   __u32 attach_type;
 };
+enum bpf_cgroup_iter_order {
+  BPF_CGROUP_ITER_ORDER_UNSPEC = 0,
+  BPF_CGROUP_ITER_SELF_ONLY,
+  BPF_CGROUP_ITER_DESCENDANTS_PRE,
+  BPF_CGROUP_ITER_DESCENDANTS_POST,
+  BPF_CGROUP_ITER_ANCESTORS_UP,
+};
 union bpf_iter_link_info {
   struct {
     __u32 map_fd;
   } map;
+  struct {
+    enum bpf_cgroup_iter_order order;
+    __u32 cgroup_fd;
+    __u64 cgroup_id;
+  } cgroup;
+  struct {
+    __u32 tid;
+    __u32 pid;
+    __u32 pid_fd;
+  } task;
 };
 enum bpf_cmd {
   BPF_MAP_CREATE,
@@ -150,6 +167,7 @@
   BPF_MAP_TYPE_INODE_STORAGE,
   BPF_MAP_TYPE_TASK_STORAGE,
   BPF_MAP_TYPE_BLOOM_FILTER,
+  BPF_MAP_TYPE_USER_RINGBUF,
 };
 enum bpf_prog_type {
   BPF_PROG_TYPE_UNSPEC,
@@ -500,7 +518,7 @@
     __u32 flags;
   } prog_bind_map;
 } __attribute__((aligned(8)));
-#define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), FN(probe_read_str), FN(get_socket_cookie), FN(get_socket_uid), FN(set_hash), FN(setsockopt), FN(skb_adjust_room), FN(redirect_map), FN(sk_redirect_map), FN(sock_map_update), FN(xdp_adjust_meta), FN(perf_event_read_value), FN(perf_prog_read_value), FN(getsockopt), FN(override_return), FN(sock_ops_cb_flags_set), FN(msg_redirect_map), FN(msg_apply_bytes), FN(msg_cork_bytes), FN(msg_pull_data), FN(bind), FN(xdp_adjust_tail), FN(skb_get_xfrm_state), FN(get_stack), FN(skb_load_bytes_relative), FN(fib_lookup), FN(sock_hash_update), FN(msg_redirect_hash), FN(sk_redirect_hash), FN(lwt_push_encap), FN(lwt_seg6_store_bytes), FN(lwt_seg6_adjust_srh), FN(lwt_seg6_action), FN(rc_repeat), FN(rc_keydown), FN(skb_cgroup_id), FN(get_current_cgroup_id), FN(get_local_storage), FN(sk_select_reuseport), FN(skb_ancestor_cgroup_id), FN(sk_lookup_tcp), FN(sk_lookup_udp), FN(sk_release), FN(map_push_elem), FN(map_pop_elem), FN(map_peek_elem), FN(msg_push_data), FN(msg_pop_data), FN(rc_pointer_rel), FN(spin_lock), FN(spin_unlock), FN(sk_fullsock), FN(tcp_sock), FN(skb_ecn_set_ce), FN(get_listener_sock), FN(skc_lookup_tcp), FN(tcp_check_syncookie), FN(sysctl_get_name), FN(sysctl_get_current_value), FN(sysctl_get_new_value), FN(sysctl_set_new_value), FN(strtol), FN(strtoul), FN(sk_storage_get), FN(sk_storage_delete), FN(send_signal), FN(tcp_gen_syncookie), FN(skb_output), FN(probe_read_user), FN(probe_read_kernel), FN(probe_read_user_str), FN(probe_read_kernel_str), FN(tcp_send_ack), FN(send_signal_thread), FN(jiffies64), FN(read_branch_records), FN(get_ns_current_pid_tgid), FN(xdp_output), FN(get_netns_cookie), FN(get_current_ancestor_cgroup_id), FN(sk_assign), FN(ktime_get_boot_ns), FN(seq_printf), FN(seq_write), FN(sk_cgroup_id), FN(sk_ancestor_cgroup_id), FN(ringbuf_output), FN(ringbuf_reserve), FN(ringbuf_submit), FN(ringbuf_discard), FN(ringbuf_query), FN(csum_level), FN(skc_to_tcp6_sock), FN(skc_to_tcp_sock), FN(skc_to_tcp_timewait_sock), FN(skc_to_tcp_request_sock), FN(skc_to_udp6_sock), FN(get_task_stack), FN(load_hdr_opt), FN(store_hdr_opt), FN(reserve_hdr_opt), FN(inode_storage_get), FN(inode_storage_delete), FN(d_path), FN(copy_from_user), FN(snprintf_btf), FN(seq_printf_btf), FN(skb_cgroup_classid), FN(redirect_neigh), FN(per_cpu_ptr), FN(this_cpu_ptr), FN(redirect_peer), FN(task_storage_get), FN(task_storage_delete), FN(get_current_task_btf), FN(bprm_opts_set), FN(ktime_get_coarse_ns), FN(ima_inode_hash), FN(sock_from_file), FN(check_mtu), FN(for_each_map_elem), FN(snprintf), FN(sys_bpf), FN(btf_find_by_name_kind), FN(sys_close), FN(timer_init), FN(timer_set_callback), FN(timer_start), FN(timer_cancel), FN(get_func_ip), FN(get_attach_cookie), FN(task_pt_regs), FN(get_branch_snapshot), FN(trace_vprintk), FN(skc_to_unix_sock), FN(kallsyms_lookup_name), FN(find_vma), FN(loop), FN(strncmp), FN(get_func_arg), FN(get_func_ret), FN(get_func_arg_cnt), FN(get_retval), FN(set_retval), FN(xdp_get_buff_len), FN(xdp_load_bytes), FN(xdp_store_bytes), FN(copy_from_user_task), FN(skb_set_tstamp), FN(ima_file_hash), FN(kptr_xchg), FN(map_lookup_percpu_elem), FN(skc_to_mptcp_sock), FN(dynptr_from_mem), FN(ringbuf_reserve_dynptr), FN(ringbuf_submit_dynptr), FN(ringbuf_discard_dynptr), FN(dynptr_read), FN(dynptr_write), FN(dynptr_data), FN(tcp_raw_gen_syncookie_ipv4), FN(tcp_raw_gen_syncookie_ipv6), FN(tcp_raw_check_syncookie_ipv4), FN(tcp_raw_check_syncookie_ipv6),
+#define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), FN(probe_read_str), FN(get_socket_cookie), FN(get_socket_uid), FN(set_hash), FN(setsockopt), FN(skb_adjust_room), FN(redirect_map), FN(sk_redirect_map), FN(sock_map_update), FN(xdp_adjust_meta), FN(perf_event_read_value), FN(perf_prog_read_value), FN(getsockopt), FN(override_return), FN(sock_ops_cb_flags_set), FN(msg_redirect_map), FN(msg_apply_bytes), FN(msg_cork_bytes), FN(msg_pull_data), FN(bind), FN(xdp_adjust_tail), FN(skb_get_xfrm_state), FN(get_stack), FN(skb_load_bytes_relative), FN(fib_lookup), FN(sock_hash_update), FN(msg_redirect_hash), FN(sk_redirect_hash), FN(lwt_push_encap), FN(lwt_seg6_store_bytes), FN(lwt_seg6_adjust_srh), FN(lwt_seg6_action), FN(rc_repeat), FN(rc_keydown), FN(skb_cgroup_id), FN(get_current_cgroup_id), FN(get_local_storage), FN(sk_select_reuseport), FN(skb_ancestor_cgroup_id), FN(sk_lookup_tcp), FN(sk_lookup_udp), FN(sk_release), FN(map_push_elem), FN(map_pop_elem), FN(map_peek_elem), FN(msg_push_data), FN(msg_pop_data), FN(rc_pointer_rel), FN(spin_lock), FN(spin_unlock), FN(sk_fullsock), FN(tcp_sock), FN(skb_ecn_set_ce), FN(get_listener_sock), FN(skc_lookup_tcp), FN(tcp_check_syncookie), FN(sysctl_get_name), FN(sysctl_get_current_value), FN(sysctl_get_new_value), FN(sysctl_set_new_value), FN(strtol), FN(strtoul), FN(sk_storage_get), FN(sk_storage_delete), FN(send_signal), FN(tcp_gen_syncookie), FN(skb_output), FN(probe_read_user), FN(probe_read_kernel), FN(probe_read_user_str), FN(probe_read_kernel_str), FN(tcp_send_ack), FN(send_signal_thread), FN(jiffies64), FN(read_branch_records), FN(get_ns_current_pid_tgid), FN(xdp_output), FN(get_netns_cookie), FN(get_current_ancestor_cgroup_id), FN(sk_assign), FN(ktime_get_boot_ns), FN(seq_printf), FN(seq_write), FN(sk_cgroup_id), FN(sk_ancestor_cgroup_id), FN(ringbuf_output), FN(ringbuf_reserve), FN(ringbuf_submit), FN(ringbuf_discard), FN(ringbuf_query), FN(csum_level), FN(skc_to_tcp6_sock), FN(skc_to_tcp_sock), FN(skc_to_tcp_timewait_sock), FN(skc_to_tcp_request_sock), FN(skc_to_udp6_sock), FN(get_task_stack), FN(load_hdr_opt), FN(store_hdr_opt), FN(reserve_hdr_opt), FN(inode_storage_get), FN(inode_storage_delete), FN(d_path), FN(copy_from_user), FN(snprintf_btf), FN(seq_printf_btf), FN(skb_cgroup_classid), FN(redirect_neigh), FN(per_cpu_ptr), FN(this_cpu_ptr), FN(redirect_peer), FN(task_storage_get), FN(task_storage_delete), FN(get_current_task_btf), FN(bprm_opts_set), FN(ktime_get_coarse_ns), FN(ima_inode_hash), FN(sock_from_file), FN(check_mtu), FN(for_each_map_elem), FN(snprintf), FN(sys_bpf), FN(btf_find_by_name_kind), FN(sys_close), FN(timer_init), FN(timer_set_callback), FN(timer_start), FN(timer_cancel), FN(get_func_ip), FN(get_attach_cookie), FN(task_pt_regs), FN(get_branch_snapshot), FN(trace_vprintk), FN(skc_to_unix_sock), FN(kallsyms_lookup_name), FN(find_vma), FN(loop), FN(strncmp), FN(get_func_arg), FN(get_func_ret), FN(get_func_arg_cnt), FN(get_retval), FN(set_retval), FN(xdp_get_buff_len), FN(xdp_load_bytes), FN(xdp_store_bytes), FN(copy_from_user_task), FN(skb_set_tstamp), FN(ima_file_hash), FN(kptr_xchg), FN(map_lookup_percpu_elem), FN(skc_to_mptcp_sock), FN(dynptr_from_mem), FN(ringbuf_reserve_dynptr), FN(ringbuf_submit_dynptr), FN(ringbuf_discard_dynptr), FN(dynptr_read), FN(dynptr_write), FN(dynptr_data), FN(tcp_raw_gen_syncookie_ipv4), FN(tcp_raw_gen_syncookie_ipv6), FN(tcp_raw_check_syncookie_ipv4), FN(tcp_raw_check_syncookie_ipv6), FN(ktime_get_tai_ns), FN(user_ringbuf_drain),
 #define __BPF_ENUM_FN(x) BPF_FUNC_ ##x
 enum bpf_func_id {
   __BPF_FUNC_MAPPER(__BPF_ENUM_FN) __BPF_FUNC_MAX_ID,
@@ -537,6 +555,9 @@
   BPF_F_SEQ_NUMBER = (1ULL << 3),
 };
 enum {
+  BPF_F_TUNINFO_FLAGS = (1ULL << 4),
+};
+enum {
   BPF_F_INDEX_MASK = 0xffffffffULL,
   BPF_F_CURRENT_CPU = BPF_F_INDEX_MASK,
   BPF_F_CTXLEN_MASK = (0xfffffULL << 32),
@@ -664,7 +685,10 @@
   };
   __u8 tunnel_tos;
   __u8 tunnel_ttl;
-  __u16 tunnel_ext;
+  union {
+    __u16 tunnel_ext;
+    __be16 tunnel_flags;
+  };
   __u32 tunnel_label;
   union {
     __u32 local_ipv4;
@@ -686,6 +710,7 @@
   BPF_DROP = 2,
   BPF_REDIRECT = 7,
   BPF_LWT_REROUTE = 128,
+  BPF_FLOW_DISSECTOR_CONTINUE = 129,
 };
 struct bpf_sock {
   __u32 bound_dev_if;
@@ -903,6 +928,16 @@
           __u32 map_id;
         } map;
       };
+      union {
+        struct {
+          __u64 cgroup_id;
+          __u32 order;
+        } cgroup;
+        struct {
+          __u32 tid;
+          __u32 pid;
+        } task;
+      };
     } iter;
     struct {
       __u32 netns_ino;