diff --git a/libc/kernel/uapi/asm-generic/mman-common.h b/libc/kernel/uapi/asm-generic/mman-common.h
index 8e6a57f..00075c7 100644
--- a/libc/kernel/uapi/asm-generic/mman-common.h
+++ b/libc/kernel/uapi/asm-generic/mman-common.h
@@ -34,32 +34,33 @@
 #define MAP_FIXED 0x10
 #define MAP_ANONYMOUS 0x20
 #define MAP_UNINITIALIZED 0x0
-#define MS_ASYNC 1
+#define MLOCK_ONFAULT 0x01
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MS_ASYNC 1
 #define MS_INVALIDATE 2
 #define MS_SYNC 4
 #define MADV_NORMAL 0
-#define MADV_RANDOM 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MADV_RANDOM 1
 #define MADV_SEQUENTIAL 2
 #define MADV_WILLNEED 3
 #define MADV_DONTNEED 4
-#define MADV_REMOVE 9
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MADV_REMOVE 9
 #define MADV_DONTFORK 10
 #define MADV_DOFORK 11
 #define MADV_HWPOISON 100
-#define MADV_SOFT_OFFLINE 101
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MADV_SOFT_OFFLINE 101
 #define MADV_MERGEABLE 12
 #define MADV_UNMERGEABLE 13
 #define MADV_HUGEPAGE 14
-#define MADV_NOHUGEPAGE 15
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MADV_NOHUGEPAGE 15
 #define MADV_DONTDUMP 16
 #define MADV_DODUMP 17
 #define MAP_FILE 0
-#define MAP_HUGE_SHIFT 26
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MAP_HUGE_SHIFT 26
 #define MAP_HUGE_MASK 0x3f
 #endif
diff --git a/libc/kernel/uapi/asm-generic/mman.h b/libc/kernel/uapi/asm-generic/mman.h
index 5a0242a..5db0e52 100644
--- a/libc/kernel/uapi/asm-generic/mman.h
+++ b/libc/kernel/uapi/asm-generic/mman.h
@@ -33,4 +33,6 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MCL_CURRENT 1
 #define MCL_FUTURE 2
+#define MCL_ONFAULT 4
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/uapi/asm-generic/siginfo.h b/libc/kernel/uapi/asm-generic/siginfo.h
index 2083fa1..ad54529 100644
--- a/libc/kernel/uapi/asm-generic/siginfo.h
+++ b/libc/kernel/uapi/asm-generic/siginfo.h
@@ -94,6 +94,11 @@
       int _trapno;
 #endif
       short _addr_lsb;
+      struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+        void __user * _lower;
+        void __user * _upper;
+      } _addr_bnd;
     } _sigfault;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     struct {
@@ -132,129 +137,133 @@
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_addr_lsb _sifields._sigfault._addr_lsb
+#define si_lower _sifields._sigfault._addr_bnd._lower
+#define si_upper _sifields._sigfault._addr_bnd._upper
 #define si_band _sifields._sigpoll._band
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_fd _sifields._sigpoll._fd
 #ifdef __ARCH_SIGSYS
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_call_addr _sifields._sigsys._call_addr
 #define si_syscall _sifields._sigsys._syscall
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_arch _sifields._sigsys._arch
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_KILL 0
 #define __SI_TIMER 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_POLL 0
 #define __SI_FAULT 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_CHLD 0
 #define __SI_RT 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_MESGQ 0
 #define __SI_SYS 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_CODE(T,N) (N)
 #define SI_USER 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_KERNEL 0x80
 #define SI_QUEUE - 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_TIMER __SI_CODE(__SI_TIMER, - 2)
 #define SI_MESGQ __SI_CODE(__SI_MESGQ, - 3)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_ASYNCIO - 4
 #define SI_SIGIO - 5
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_TKILL - 6
 #define SI_DETHREAD - 7
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
 #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_ILLOPC (__SI_FAULT | 1)
 #define ILL_ILLOPN (__SI_FAULT | 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_ILLADR (__SI_FAULT | 3)
 #define ILL_ILLTRP (__SI_FAULT | 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_PRVOPC (__SI_FAULT | 5)
 #define ILL_PRVREG (__SI_FAULT | 6)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_COPROC (__SI_FAULT | 7)
 #define ILL_BADSTK (__SI_FAULT | 8)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSIGILL 8
 #define FPE_INTDIV (__SI_FAULT | 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_INTOVF (__SI_FAULT | 2)
 #define FPE_FLTDIV (__SI_FAULT | 3)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_FLTOVF (__SI_FAULT | 4)
 #define FPE_FLTUND (__SI_FAULT | 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_FLTRES (__SI_FAULT | 6)
 #define FPE_FLTINV (__SI_FAULT | 7)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_FLTSUB (__SI_FAULT | 8)
 #define NSIGFPE 8
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEGV_MAPERR (__SI_FAULT | 1)
 #define SEGV_ACCERR (__SI_FAULT | 2)
+#define SEGV_BNDERR (__SI_FAULT | 3)
+#define NSIGSEGV 3
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define NSIGSEGV 2
 #define BUS_ADRALN (__SI_FAULT | 1)
 #define BUS_ADRERR (__SI_FAULT | 2)
 #define BUS_OBJERR (__SI_FAULT | 3)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BUS_MCEERR_AR (__SI_FAULT | 4)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BUS_MCEERR_AO (__SI_FAULT | 5)
 #define NSIGBUS 5
 #define TRAP_BRKPT (__SI_FAULT | 1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TRAP_TRACE (__SI_FAULT | 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TRAP_BRANCH (__SI_FAULT | 3)
 #define TRAP_HWBKPT (__SI_FAULT | 4)
 #define NSIGTRAP 4
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_EXITED (__SI_CHLD | 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_KILLED (__SI_CHLD | 2)
 #define CLD_DUMPED (__SI_CHLD | 3)
 #define CLD_TRAPPED (__SI_CHLD | 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_STOPPED (__SI_CHLD | 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_CONTINUED (__SI_CHLD | 6)
 #define NSIGCHLD 6
 #define POLL_IN (__SI_POLL | 1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLL_OUT (__SI_POLL | 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLL_MSG (__SI_POLL | 3)
 #define POLL_ERR (__SI_POLL | 4)
 #define POLL_PRI (__SI_POLL | 5)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLL_HUP (__SI_POLL | 6)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSIGPOLL 6
 #define SYS_SECCOMP (__SI_SYS | 1)
 #define NSIGSYS 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIGEV_SIGNAL 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIGEV_NONE 1
 #define SIGEV_THREAD 2
 #define SIGEV_THREAD_ID 4
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __ARCH_SIGEV_PREAMBLE_SIZE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t))
 #endif
 #define SIGEV_MAX_SIZE 64
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE) / sizeof(int))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct sigevent {
   sigval_t sigev_value;
   int sigev_signo;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   int sigev_notify;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   union {
     int _pad[SIGEV_PAD_SIZE];
     int _tid;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       void(* _function) (sigval_t);
       void * _attribute;
     } _sigev_thread;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   } _sigev_un;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } sigevent_t;
 #define sigev_notify_function _sigev_un._sigev_thread._function
 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define sigev_notify_thread_id _sigev_un._tid
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/uapi/asm-generic/signal.h b/libc/kernel/uapi/asm-generic/signal.h
index 30188cb..d63fd3e 100644
--- a/libc/kernel/uapi/asm-generic/signal.h
+++ b/libc/kernel/uapi/asm-generic/signal.h
@@ -82,35 +82,38 @@
 #define SA_NOMASK SA_NODEFER
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SA_ONESHOT SA_RESETHAND
+#if !defined(MINSIGSTKSZ) || !defined(SIGSTKSZ)
 #define MINSIGSTKSZ 2048
 #define SIGSTKSZ 8192
-#ifndef __ASSEMBLY__
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif
+#ifndef __ASSEMBLY__
 typedef struct {
   unsigned long sig[_NSIG_WORDS];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } sigset_t;
 typedef unsigned long old_sigset_t;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm-generic/signal-defs.h>
 #ifdef SA_RESTORER
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __ARCH_HAS_SA_RESTORER
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct sigaction {
   __sighandler_t sa_handler;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   unsigned long sa_flags;
 #ifdef SA_RESTORER
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __sigrestore_t sa_restorer;
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   sigset_t sa_mask;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct sigaltstack {
   void __user * ss_sp;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   int ss_flags;
   size_t ss_size;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } stack_t;
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/uapi/asm-generic/socket.h b/libc/kernel/uapi/asm-generic/socket.h
index 93daf83..ec38e2c 100644
--- a/libc/kernel/uapi/asm-generic/socket.h
+++ b/libc/kernel/uapi/asm-generic/socket.h
@@ -89,5 +89,8 @@
 #define SO_BUSY_POLL 46
 #define SO_MAX_PACING_RATE 47
 #define SO_BPF_EXTENSIONS 48
-#endif
+#define SO_INCOMING_CPU 49
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SO_ATTACH_BPF 50
+#define SO_DETACH_BPF SO_DETACH_FILTER
+#endif
diff --git a/libc/kernel/uapi/asm-generic/unistd.h b/libc/kernel/uapi/asm-generic/unistd.h
index d7ac6c2..635a123 100644
--- a/libc/kernel/uapi/asm-generic/unistd.h
+++ b/libc/kernel/uapi/asm-generic/unistd.h
@@ -377,8 +377,13 @@
 #define __NR_memfd_create 279
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __NR_bpf 280
+#define __NR_execveat 281
+#define __NR_userfaultfd 282
+#define __NR_membarrier 283
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define __NR_mlock2 284
 #undef __NR_syscalls
-#define __NR_syscalls 281
+#define __NR_syscalls 285
 #ifdef __ARCH_WANT_SYSCALL_NO_AT
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __NR_open 1024