// https://syzkaller.appspot.com/bug?id=41b2c3317a7387d913c029075d26f4c4fa0d1cb3
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sched.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

struct nlmsg {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[4096];
};

static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
                         const void* data, int size)
{
  memset(nlmsg, 0, sizeof(*nlmsg));
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_type = typ;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
  memcpy(hdr + 1, data, size);
  nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}

static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
                         int size)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_len = sizeof(*attr) + size;
  attr->nla_type = typ;
  if (size > 0)
    memcpy(attr + 1, data, size);
  nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}

static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_type = typ;
  nlmsg->pos += sizeof(*attr);
  nlmsg->nested[nlmsg->nesting++] = attr;
}

static void netlink_done(struct nlmsg* nlmsg)
{
  struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
  attr->nla_len = nlmsg->pos - (char*)attr;
}

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len, bool dofail)
{
  if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                     (struct sockaddr*)&addr, sizeof(addr));
  if (n != (ssize_t)hdr->nlmsg_len) {
    if (dofail)
      exit(1);
    return -1;
  }
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (reply_len)
    *reply_len = 0;
  if (n < 0) {
    if (dofail)
      exit(1);
    return -1;
  }
  if (n < (ssize_t)sizeof(struct nlmsghdr)) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type != NLMSG_ERROR) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  errno = -((struct nlmsgerr*)(hdr + 1))->error;
  return -errno;
}

static int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL, true);
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name, bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = CTRL_CMD_GETFAMILY;
  netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
               strnlen(family_name, GENL_NAMSIZ - 1) + 1);
  int n = 0;
  int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail);
  if (err < 0) {
    return -1;
  }
  uint16_t id = 0;
  struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
                                         NLMSG_ALIGN(sizeof(genlhdr)));
  for (; (char*)attr < nlmsg->buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
      id = *(uint16_t*)(attr + 1);
      break;
    }
  }
  if (!id) {
    errno = EINVAL;
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

static unsigned int queue_count = 2;

static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
                                    const char* name, bool up)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  if (name)
    netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
  netlink_attr(nlmsg, IFLA_NUM_TX_QUEUES, &queue_count, sizeof(queue_count));
  netlink_attr(nlmsg, IFLA_NUM_RX_QUEUES, &queue_count, sizeof(queue_count));
  netlink_nest(nlmsg, IFLA_LINKINFO);
  netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}

static void netlink_device_change(struct nlmsg* nlmsg, int sock,
                                  const char* name, bool up, const char* master,
                                  const void* mac, int macsize,
                                  const char* new_name)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  hdr.ifi_index = if_nametoindex(name);
  netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
  if (new_name)
    netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
  if (master) {
    int ifindex = if_nametoindex(master);
    netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
  }
  if (macsize)
    netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static struct nlmsg nlmsg;

static void setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

static void setup_fusectl()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  if (getppid() == 1)
    exit(1);
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  sandbox_common_mount_tmpfs();
  loop();
  exit(1);
}

#define NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static const char* setup_802154()
{
  const char* error = NULL;
  int sock_generic = -1;
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) failed";
    goto fail;
  }
  sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed";
    goto fail;
  }
  {
    int nl802154_family_id =
        netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
    if (nl802154_family_id < 0) {
      error = "netlink_query_family_id failed";
      goto fail;
    }
    for (int i = 0; i < 2; i++) {
      char devname[] = "wpan0";
      devname[strlen(devname) - 1] += i;
      uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8);
      uint16_t shortaddr = 0xaaa0 + i;
      int ifindex = if_nametoindex(devname);
      struct genlmsghdr genlhdr;
      memset(&genlhdr, 0, sizeof(genlhdr));
      genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR;
      netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr));
      netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
      netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr,
                   sizeof(shortaddr));
      if (netlink_send(&nlmsg, sock_generic) < 0) {
        error = "NL802154_CMD_SET_SHORT_ADDR failed";
        goto fail;
      }
      netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr,
                            sizeof(hwaddr), 0);
      if (i == 0) {
        netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false);
        netlink_done(&nlmsg);
        netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
        if (netlink_send(&nlmsg, sock_route) < 0) {
          error = "netlink: adding device lowpan0 type lowpan link wpan0";
          goto fail;
        }
      }
    }
  }
fail:
  close(sock_route);
  close(sock_generic);
  return error;
}

uint64_t r[1] = {0xffffffffffffffff};

void loop(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  socket$nl_xfrm arguments: [
  //    domain: const = 0x10 (8 bytes)
  //    type: const = 0x3 (8 bytes)
  //    proto: const = 0x6 (4 bytes)
  //  ]
  //  returns sock_nl_xfrm
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/6);
  if (res != -1)
    r[0] = res;
  //  sendmsg$nl_xfrm arguments: [
  //    fd: sock_nl_xfrm (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_xfrm]] {
  //      msghdr_netlink[netlink_msg_xfrm] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_xfrm]] {
  //          iovec[in, netlink_msg_xfrm] {
  //            addr: ptr[in, netlink_msg_xfrm] {
  //              union netlink_msg_xfrm {
  //                newsa: netlink_msg_t[const[XFRM_MSG_NEWSA, int16],
  //                xfrm_usersa_info, xfrma_policy] {
  //                  len: len = 0x150 (4 bytes)
  //                  type: const = 0x10 (2 bytes)
  //                  flags: netlink_msg_flags = 0x1 (2 bytes)
  //                  seq: int32 = 0x0 (4 bytes)
  //                  pid: int32 = 0x0 (4 bytes)
  //                  payload: xfrm_usersa_info {
  //                    sel: xfrm_selector {
  //                      daddr: union xfrm_address_t {
  //                        in: union ipv4_addr {
  //                          loopback: const = 0x7f000001 (4 bytes)
  //                        }
  //                      }
  //                      saddr: union xfrm_address_t {
  //                        in: union ipv4_addr {
  //                          loopback: const = 0x7f000001 (4 bytes)
  //                        }
  //                      }
  //                      dport: int16be = 0x0 (2 bytes)
  //                      dport_mask: int16be = 0x0 (2 bytes)
  //                      sport: int16be = 0x0 (2 bytes)
  //                      sport_mask: int16be = 0x0 (2 bytes)
  //                      family: xfrm_family = 0x2 (2 bytes)
  //                      prefixlen_d: xfrm_prefixlens = 0x20 (1 bytes)
  //                      prefixlen_s: xfrm_prefixlens = 0x20 (1 bytes)
  //                      proto: ipv6_types = 0x0 (1 bytes)
  //                      pad = 0x0 (3 bytes)
  //                      ifindex: ifindex (resource)
  //                      user: uid (resource)
  //                    }
  //                    id: xfrm_id {
  //                      daddr: union xfrm_address_t {
  //                        in: union ipv4_addr {
  //                          loopback: const = 0x7f000001 (4 bytes)
  //                        }
  //                      }
  //                      spi: int32be = 0xbe3412 (4 bytes)
  //                      proto: xfrm_proto = 0x32 (1 bytes)
  //                      pad = 0x0 (3 bytes)
  //                    }
  //                    saddr: union xfrm_address_t {
  //                      in: union ipv4_addr {
  //                        loopback: const = 0x7f000001 (4 bytes)
  //                      }
  //                    }
  //                    lft: xfrm_lifetime_cfg {
  //                      soft_byte_limit: int64 = 0x0 (8 bytes)
  //                      hard_byte_limit: int64 = 0x0 (8 bytes)
  //                      soft_packet_limit: int64 = 0x0 (8 bytes)
  //                      hard_packet_limit: int64 = 0x0 (8 bytes)
  //                      soft_add_expires_seconds: int64 = 0x0 (8 bytes)
  //                      hard_add_expires_seconds: int64 = 0x0 (8 bytes)
  //                      soft_use_expires_seconds: int64 = 0x0 (8 bytes)
  //                      hard_use_expires_seconds: int64 = 0x0 (8 bytes)
  //                    }
  //                    curlft: xfrm_lifetime_cur {
  //                      bytes: int64 = 0x0 (8 bytes)
  //                      packets: int64 = 0x0 (8 bytes)
  //                      add_time: int64 = 0x0 (8 bytes)
  //                      use_time: int64 = 0x0 (8 bytes)
  //                    }
  //                    stats: xfrm_stats {
  //                      replay_window: int32 = 0x0 (4 bytes)
  //                      replay: int32 = 0x0 (4 bytes)
  //                      integrity_failed: int32 = 0x0 (4 bytes)
  //                    }
  //                    seq: int32 = 0x0 (4 bytes)
  //                    reqid: int32 = 0x1 (4 bytes)
  //                    family: xfrm_family = 0x2 (2 bytes)
  //                    mode: xfrm_mode = 0x0 (1 bytes)
  //                    replay_window: int8 = 0x0 (1 bytes)
  //                    flags: xfrm_state = 0x0 (1 bytes)
  //                    pad = 0x0 (7 bytes)
  //                  }
  //                  attrs: array[xfrma_policy] {
  //                    union xfrma_policy {
  //                      algo_aead: nlattr_t[const[XFRMA_ALG_AEAD, int16],
  //                      xfrm_algo_aead] {
  //                        nla_len: offsetof = 0x60 (2 bytes)
  //                        nla_type: const = 0x12 (2 bytes)
  //                        payload: xfrm_algo_aead {
  //                          alg_name: alg_aead_name {
  //                            name: buffer: {72 66 63 34 31 30 36 28 67 63 6d
  //                            28 61 65 73 29 29 00 00 00 00 00 00 00 00 00 00
  //                            00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //                            00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //                            00 00 00 00 00} (length 0x40)
  //                          }
  //                          alg_key_len: bitsize = 0xa0 (4 bytes)
  //                          alg_icv_len: xfrm_algo_truncbits = 0x60 (4 bytes)
  //                          alg_key: buffer: {21 04 66 d3 85 47 aa 14 0d b9 a2
  //                          00 00 00 00 c5 38 c7 cb 7a} (length 0x14)
  //                        }
  //                        size: buffer: {} (length 0x0)
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x150 (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x2000000003c0 = 0;
  *(uint32_t*)0x2000000003c8 = 0;
  *(uint64_t*)0x2000000003d0 = 0x200000000380;
  *(uint64_t*)0x200000000380 = 0x200000000000;
  *(uint32_t*)0x200000000000 = 0x150;
  *(uint16_t*)0x200000000004 = 0x10;
  *(uint16_t*)0x200000000006 = 1;
  *(uint32_t*)0x200000000008 = 0;
  *(uint32_t*)0x20000000000c = 0;
  *(uint32_t*)0x200000000010 = htobe32(0x7f000001);
  *(uint32_t*)0x200000000020 = htobe32(0x7f000001);
  *(uint16_t*)0x200000000030 = htobe16(0);
  *(uint16_t*)0x200000000032 = htobe16(0);
  *(uint16_t*)0x200000000034 = htobe16(0);
  *(uint16_t*)0x200000000036 = htobe16(0);
  *(uint16_t*)0x200000000038 = 2;
  *(uint8_t*)0x20000000003a = 0x20;
  *(uint8_t*)0x20000000003b = 0x20;
  *(uint8_t*)0x20000000003c = 0;
  *(uint32_t*)0x200000000040 = 0;
  *(uint32_t*)0x200000000044 = 0;
  *(uint32_t*)0x200000000048 = htobe32(0x7f000001);
  *(uint32_t*)0x200000000058 = htobe32(0xbe3412);
  *(uint8_t*)0x20000000005c = 0x32;
  *(uint32_t*)0x200000000060 = htobe32(0x7f000001);
  *(uint64_t*)0x200000000070 = 0;
  *(uint64_t*)0x200000000078 = 0;
  *(uint64_t*)0x200000000080 = 0;
  *(uint64_t*)0x200000000088 = 0;
  *(uint64_t*)0x200000000090 = 0;
  *(uint64_t*)0x200000000098 = 0;
  *(uint64_t*)0x2000000000a0 = 0;
  *(uint64_t*)0x2000000000a8 = 0;
  *(uint64_t*)0x2000000000b0 = 0;
  *(uint64_t*)0x2000000000b8 = 0;
  *(uint64_t*)0x2000000000c0 = 0;
  *(uint64_t*)0x2000000000c8 = 0;
  *(uint32_t*)0x2000000000d0 = 0;
  *(uint32_t*)0x2000000000d4 = 0;
  *(uint32_t*)0x2000000000d8 = 0;
  *(uint32_t*)0x2000000000dc = 0;
  *(uint32_t*)0x2000000000e0 = 1;
  *(uint16_t*)0x2000000000e4 = 2;
  *(uint8_t*)0x2000000000e6 = 0;
  *(uint8_t*)0x2000000000e7 = 0;
  *(uint8_t*)0x2000000000e8 = 0;
  *(uint16_t*)0x2000000000f0 = 0x60;
  *(uint16_t*)0x2000000000f2 = 0x12;
  memcpy((void*)0x2000000000f4,
         "rfc4106(gcm(aes))"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000\000\000\000\000\000\000\000\000\000\000\000\000",
         64);
  *(uint32_t*)0x200000000134 = 0xa0;
  *(uint32_t*)0x200000000138 = 0x60;
  memcpy((void*)0x20000000013c,
         "\x21\x04\x66\xd3\x85\x47\xaa\x14\x0d\xb9\xa2\x00\x00\x00\x00\xc5\x38"
         "\xc7\xcb\x7a",
         20);
  *(uint64_t*)0x200000000388 = 0x150;
  *(uint64_t*)0x2000000003d8 = 1;
  *(uint64_t*)0x2000000003e0 = 0;
  *(uint64_t*)0x2000000003e8 = 0;
  *(uint32_t*)0x2000000003f0 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000003c0ul, /*f=*/0ul);
  //  sendmsg$nl_xfrm arguments: [
  //    fd: sock_nl_xfrm (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_xfrm]] {
  //      msghdr_netlink[netlink_msg_xfrm] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_xfrm]] {
  //          iovec[in, netlink_msg_xfrm] {
  //            addr: ptr[inout, array[ANYUNION]] {
  //              array[ANYUNION] {
  //                union ANYUNION {
  //                  ANYBLOB: buffer: {94 00 00 00 29 00 01 00 00 00 00 00 00
  //                  00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00
  //                  00 be 34 12 02 00 32 00 7f 00 00 02 00 00 00 00 00 00 00
  //                  00 00 00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00 00 00
  //                  00 00 00 00 00 00 00 00 00 00 7f 00 00 01 00 00 00 00 00
  //                  00 00 00 00 00 00 00 7f 00 00 01 00 00 00 00 00 00 00 00
  //                  00 00 00 00 00 00 00 00 00 00 00 00 02 00 20 20 00 00 00
  //                  00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 02 00
  //                  00 00} (length 0x94)
  //                }
  //              }
  //            }
  //            len: len = 0x94 (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  *(uint64_t*)0x200000000500 = 0;
  *(uint32_t*)0x200000000508 = 0;
  *(uint64_t*)0x200000000510 = 0x200000000400;
  *(uint64_t*)0x200000000400 = 0x200000000000;
  memcpy((void*)0x200000000000,
         "\x94\x00\x00\x00\x29\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f"
         "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbe"
         "\x34\x12\x02\x00\x32\x00\x7f\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7f\x00\x00\x01\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x02\x00\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00",
         148);
  *(uint64_t*)0x200000000408 = 0x94;
  *(uint64_t*)0x200000000518 = 1;
  *(uint64_t*)0x200000000520 = 0;
  *(uint64_t*)0x200000000528 = 0;
  *(uint32_t*)0x200000000530 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000500ul, /*f=*/0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  if ((reason = setup_802154())) {
    fprintf(stderr, "reproducer setup failed: 802154 injection: %s\n", reason);
    exit(1);
  }
  do_sandbox_none();
  return 0;
}