// https://syzkaller.appspot.com/bug?id=416a58dce9f16ea8e68f9f58cb06bc0f4869ada8
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <signal.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/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.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>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 211
#endif
#ifndef __NR_socket
#define __NR_socket 198
#endif

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

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 kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void setup_sysctl()
{
  int cad_pid = fork();
  if (cad_pid < 0)
    exit(1);
  if (cad_pid == 0) {
    for (;;)
      sleep(100);
  }
  char tmppid[32];
  snprintf(tmppid, sizeof(tmppid), "%d", cad_pid);
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", tmppid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data)) {
    }
  }
  kill(cad_pid, SIGKILL);
  while (waitpid(cad_pid, NULL, 0) != cad_pid)
    ;
}

#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;
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  openat$tun arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2f 64 65 76 2f 6e 65 74 2f 74 75 6e 00} (length 0xd)
  //    }
  //    flags: open_flags = 0x1c1341 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd_tun
  memcpy((void*)0x20000040, "/dev/net/tun\000", 13);
  res =
      syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000040ul,
              /*flags=O_TRUNC|O_SYNC|O_NOCTTY|O_NOATIME|O_CREAT|O_CLOEXEC|0x1*/
              0x1c1341, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  ioctl$TUNSETIFF arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x400454ca (4 bytes)
  //    arg: ptr[in, ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]]] {
  //      ifreq_dev_t[devnames, flags[tun_setiff_flags, int16]] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: tun_setiff_flags = 0x84aebfbd6349b7f2 (2 bytes)
  //        pad = 0x0 (22 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x200000c0, "syzkaller0\000\000\000\000\000\000", 16);
  *(uint16_t*)0x200000d0 = 0xb7f2;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x400454ca, /*arg=*/0x200000c0ul);
  //  socket$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x5 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_unix
  res = syscall(__NR_socket, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul,
                /*proto=*/0);
  if (res != -1)
    r[1] = res;
  //  ioctl$sock_SIOCGIFINDEX arguments: [
  //    fd: sock (resource)
  //    cmd: const = 0x8933 (4 bytes)
  //    arg: ptr[out, ifreq_dev_t[devnames, ifindex]] {
  //      ifreq_dev_t[devnames, ifindex] {
  //        ifr_ifrn: buffer: {73 79 7a 6b 61 6c 6c 65 72 30 00 00 00 00 00 00}
  //        (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes)
  //      }
  //    }
  //  ]
  memcpy((void*)0x20000100, "syzkaller0\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x20000100ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x20000110;
  //  socket arguments: [
  //    domain: socket_domain = 0x10 (8 bytes)
  //    type: socket_type = 0x3 (8 bytes)
  //    proto: int32 = 0x0 (4 bytes)
  //  ]
  //  returns sock
  res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10ul,
                /*type=SOCK_RAW*/ 3ul, /*proto=*/0);
  if (res != -1)
    r[3] = res;
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] {
  //      msghdr_netlink[netlink_msg_route_sched] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_route_sched]] {
  //          iovec[in, netlink_msg_route_sched] {
  //            addr: ptr[in, netlink_msg_route_sched] {
  //              union netlink_msg_route_sched {
  //                newqdisc: netlink_msg_t[const[RTM_NEWQDISC, int16],
  //                tcmsg[AF_UNSPEC], rtm_tca_policy] {
  //                  len: len = 0x88 (4 bytes)
  //                  type: const = 0x24 (2 bytes)
  //                  flags: netlink_msg_flags = 0xf0b (2 bytes)
  //                  seq: int32 = 0x70bd26 (4 bytes)
  //                  pid: int32 = 0x0 (4 bytes)
  //                  payload: tcmsg[AF_UNSPEC] {
  //                    family: const = 0x0 (1 bytes)
  //                    tcm__pad1: const = 0x0 (1 bytes)
  //                    tcm__pad2: const = 0x0 (2 bytes)
  //                    ifindex: ifindex (resource)
  //                    tcm_handle: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_parent: tcm_handle {
  //                      minor: tcm_handle_offsets = 0xffff (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_info: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x0 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[rtm_tca_policy] {
  //                    union rtm_tca_policy {
  //                      qdisc_kind_options: union qdisc_kind_options {
  //                        q_mqprio: tca_kind_options_t["mqprio",
  //                        tc_mqprio_message] {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["mqprio"]] {
  //                            nla_len: offsetof = 0xb (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {6d 71 70 72 69 6f 00} (length
  //                            0x7) size: buffer: {} (length 0x0) pad = 0x0 (1
  //                            bytes)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          tc_mqprio_message] {
  //                            nla_len: offsetof = 0x58 (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: tc_mqprio_message {
  //                              qopt: tc_mqprio_qopt {
  //                                num_tc: int8 = 0x1 (1 bytes)
  //                                prio_tc_map: array[int8] {
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                  int8 = 0x0 (1 bytes)
  //                                }
  //                                hw: int8 = 0x0 (1 bytes)
  //                                count: array[int16] {
  //                                  int16 = 0x1 (2 bytes)
  //                                  int16 = 0x2 (2 bytes)
  //                                  int16 = 0xfffe (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x8 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x5c4 (2 bytes)
  //                                  int16 = 0x8000 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x3dc (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                }
  //                                offset: array[int16] {
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x4 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x0 (2 bytes)
  //                                  int16 = 0x1000 (2 bytes)
  //                                }
  //                              }
  //                              pad = 0x0 (2 bytes)
  //                              attrs: array[mqprio_policy] {
  //                              }
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x88 (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 = 0x20000000 (8 bytes)
  //  ]
  *(uint64_t*)0x20000200 = 0;
  *(uint32_t*)0x20000208 = 0;
  *(uint64_t*)0x20000210 = 0x20000000;
  *(uint64_t*)0x20000000 = 0x20000300;
  *(uint32_t*)0x20000300 = 0x88;
  *(uint16_t*)0x20000304 = 0x24;
  *(uint16_t*)0x20000306 = 0xf0b;
  *(uint32_t*)0x20000308 = 0x70bd26;
  *(uint32_t*)0x2000030c = 0;
  *(uint8_t*)0x20000310 = 0;
  *(uint8_t*)0x20000311 = 0;
  *(uint16_t*)0x20000312 = 0;
  *(uint32_t*)0x20000314 = r[2];
  *(uint16_t*)0x20000318 = 0;
  *(uint16_t*)0x2000031a = -1;
  *(uint16_t*)0x2000031c = -1;
  *(uint16_t*)0x2000031e = -1;
  *(uint16_t*)0x20000320 = 0;
  *(uint16_t*)0x20000322 = 0;
  *(uint16_t*)0x20000324 = 0xb;
  *(uint16_t*)0x20000326 = 1;
  memcpy((void*)0x20000328, "mqprio\000", 7);
  *(uint16_t*)0x20000330 = 0x58;
  *(uint16_t*)0x20000332 = 2;
  *(uint8_t*)0x20000334 = 1;
  *(uint8_t*)0x20000335 = 0;
  *(uint8_t*)0x20000336 = 0;
  *(uint8_t*)0x20000337 = 0;
  *(uint8_t*)0x20000338 = 0;
  *(uint8_t*)0x20000339 = 0;
  *(uint8_t*)0x2000033a = 0;
  *(uint8_t*)0x2000033b = 0;
  *(uint8_t*)0x2000033c = 0;
  *(uint8_t*)0x2000033d = 0;
  *(uint8_t*)0x2000033e = 0;
  *(uint8_t*)0x2000033f = 0;
  *(uint8_t*)0x20000340 = 0;
  *(uint8_t*)0x20000341 = 0;
  *(uint8_t*)0x20000342 = 0;
  *(uint8_t*)0x20000343 = 0;
  *(uint8_t*)0x20000344 = 0;
  *(uint8_t*)0x20000345 = 0;
  *(uint16_t*)0x20000346 = 1;
  *(uint16_t*)0x20000348 = 2;
  *(uint16_t*)0x2000034a = 0xfffe;
  *(uint16_t*)0x2000034c = 0;
  *(uint16_t*)0x2000034e = 0;
  *(uint16_t*)0x20000350 = 0;
  *(uint16_t*)0x20000352 = 0;
  *(uint16_t*)0x20000354 = 8;
  *(uint16_t*)0x20000356 = 0;
  *(uint16_t*)0x20000358 = 0x5c4;
  *(uint16_t*)0x2000035a = 0x8000;
  *(uint16_t*)0x2000035c = 0;
  *(uint16_t*)0x2000035e = 0;
  *(uint16_t*)0x20000360 = 0x3dc;
  *(uint16_t*)0x20000362 = 0;
  *(uint16_t*)0x20000364 = 0;
  *(uint16_t*)0x20000366 = 0;
  *(uint16_t*)0x20000368 = 4;
  *(uint16_t*)0x2000036a = 0;
  *(uint16_t*)0x2000036c = 0;
  *(uint16_t*)0x2000036e = 0;
  *(uint16_t*)0x20000370 = 0;
  *(uint16_t*)0x20000372 = 0;
  *(uint16_t*)0x20000374 = 0;
  *(uint16_t*)0x20000376 = 0;
  *(uint16_t*)0x20000378 = 0;
  *(uint16_t*)0x2000037a = 0;
  *(uint16_t*)0x2000037c = 0;
  *(uint16_t*)0x2000037e = 0;
  *(uint16_t*)0x20000380 = 0;
  *(uint16_t*)0x20000382 = 0;
  *(uint16_t*)0x20000384 = 0x1000;
  *(uint64_t*)0x20000008 = 0x88;
  *(uint64_t*)0x20000218 = 1;
  *(uint64_t*)0x20000220 = 0;
  *(uint64_t*)0x20000228 = 0;
  *(uint32_t*)0x20000230 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[3], /*msg=*/0x20000200ul,
          /*f=MSG_FASTOPEN*/ 0x20000000ul);
  //  socket arguments: [
  //    domain: socket_domain = 0x400000000010 (8 bytes)
  //    type: socket_type = 0x3 (8 bytes)
  //    proto: int32 = 0x0 (4 bytes)
  //  ]
  //  returns sock
  res = syscall(__NR_socket,
                /*domain=AF_NETLINK|0x400000000000*/ 0x400000000010ul,
                /*type=SOCK_RAW*/ 3ul, /*proto=*/0);
  if (res != -1)
    r[4] = res;
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_route_sched]] {
  //      msghdr_netlink[netlink_msg_route_sched] {
  //        addr: nil
  //        addrlen: len = 0x0 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: ptr[in, iovec[in, netlink_msg_route_sched]] {
  //          iovec[in, netlink_msg_route_sched] {
  //            addr: ptr[in, netlink_msg_route_sched] {
  //              union netlink_msg_route_sched {
  //                newqdisc: netlink_msg_t[const[RTM_NEWQDISC, int16],
  //                tcmsg[AF_UNSPEC], rtm_tca_policy] {
  //                  len: len = 0x8c (4 bytes)
  //                  type: const = 0x24 (2 bytes)
  //                  flags: netlink_msg_flags = 0x4ee4e6a52ff56541 (2 bytes)
  //                  seq: int32 = 0x70bd29 (4 bytes)
  //                  pid: int32 = 0xfffbffff (4 bytes)
  //                  payload: tcmsg[AF_UNSPEC] {
  //                    family: const = 0x0 (1 bytes)
  //                    tcm__pad1: const = 0x0 (1 bytes)
  //                    tcm__pad2: const = 0x0 (2 bytes)
  //                    ifindex: ifindex (resource)
  //                    tcm_handle: tcm_handle {
  //                      minor: tcm_handle_offsets = 0x0 (2 bytes)
  //                      major: tcm_handle_offsets = 0x8 (2 bytes)
  //                    }
  //                    tcm_parent: tcm_handle {
  //                      minor: tcm_handle_offsets = 0xffff (2 bytes)
  //                      major: tcm_handle_offsets = 0xffff (2 bytes)
  //                    }
  //                    tcm_info: tcm_handle {
  //                      minor: tcm_handle_offsets = 0xc (2 bytes)
  //                      major: tcm_handle_offsets = 0xfff3 (2 bytes)
  //                    }
  //                  }
  //                  attrs: array[rtm_tca_policy] {
  //                    union rtm_tca_policy {
  //                      qdisc_kind_options: union qdisc_kind_options {
  //                        q_taprio: tca_kind_options_t["taprio",
  //                        array[taprio_policy]] {
  //                          TCA_KIND: nlattr_t[const[TCA_KIND, int16],
  //                          string["taprio"]] {
  //                            nla_len: offsetof = 0xb (2 bytes)
  //                            nla_type: const = 0x1 (2 bytes)
  //                            payload: buffer: {74 61 70 72 69 6f 00} (length
  //                            0x7) size: buffer: {} (length 0x0) pad = 0x0 (1
  //                            bytes)
  //                          }
  //                          TCA_OPTIONS: nlattr_t[const[TCA_OPTIONS, int16],
  //                          array[taprio_policy]] {
  //                            nla_len: offsetof = 0x5c (2 bytes)
  //                            nla_type: const = 0x2 (2 bytes)
  //                            payload: array[taprio_policy] {
  //                              union taprio_policy {
  //                                TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST:
  //                                nlattr_tt[const[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST,
  //                                int16:14], 0, 1,
  //                                array[nlnest[TCA_TAPRIO_SCHED_ENTRY,
  //                                array[entry_policy$taprio]]]] {
  //                                  nla_len: offsetof = 0x50 (2 bytes)
  //                                  nla_type: const = 0x2 (1 bytes)
  //                                  NLA_F_NET_BYTEORDER: const = 0x0 (0 bytes)
  //                                  NLA_F_NESTED: const = 0x1 (1 bytes)
  //                                  payload:
  //                                  array[nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
  //                                  int16:14], 0, 1,
  //                                  array[entry_policy$taprio]]] {
  //                                    nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
  //                                    int16:14], 0, 1,
  //                                    array[entry_policy$taprio]] {
  //                                      nla_len: offsetof = 0x4c (2 bytes)
  //                                      nla_type: const = 0x1 (1 bytes)
  //                                      NLA_F_NET_BYTEORDER: const = 0x0 (0
  //                                      bytes) NLA_F_NESTED: const = 0x1 (1
  //                                      bytes) payload:
  //                                      array[entry_policy$taprio] {
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_INTERVAL:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
  //                                          int16], int32] {
  //                                            nla_len: offsetof = 0x8 (2
  //                                            bytes) nla_type: const = 0x4 (2
  //                                            bytes) payload: int32 = 0x7 (4
  //                                            bytes) size: buffer: {} (length
  //                                            0x0)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_CMD:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_CMD,
  //                                          int16], int8] {
  //                                            nla_len: offsetof = 0x5 (2
  //                                            bytes) nla_type: const = 0x2 (2
  //                                            bytes) payload: int8 = 0x8 (1
  //                                            bytes) size: buffer: {} (length
  //                                            0x0) pad = 0x0 (3 bytes)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_CMD:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_CMD,
  //                                          int16], int8] {
  //                                            nla_len: offsetof = 0x5 (2
  //                                            bytes) nla_type: const = 0x2 (2
  //                                            bytes) payload: int8 = 0x5 (1
  //                                            bytes) size: buffer: {} (length
  //                                            0x0) pad = 0x0 (3 bytes)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_INTERVAL:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
  //                                          int16], int32] {
  //                                            nla_len: offsetof = 0x8 (2
  //                                            bytes) nla_type: const = 0x4 (2
  //                                            bytes) payload: int32 = 0x0 (4
  //                                            bytes) size: buffer: {} (length
  //                                            0x0)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_INTERVAL:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
  //                                          int16], int32] {
  //                                            nla_len: offsetof = 0x8 (2
  //                                            bytes) nla_type: const = 0x4 (2
  //                                            bytes) payload: int32 = 0x5 (4
  //                                            bytes) size: buffer: {} (length
  //                                            0x0)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_CMD:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_CMD,
  //                                          int16], int8] {
  //                                            nla_len: offsetof = 0x5 (2
  //                                            bytes) nla_type: const = 0x2 (2
  //                                            bytes) payload: int8 = 0x0 (1
  //                                            bytes) size: buffer: {} (length
  //                                            0x0) pad = 0x0 (3 bytes)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_GATE_MASK:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_GATE_MASK,
  //                                          int16], int32] {
  //                                            nla_len: offsetof = 0x8 (2
  //                                            bytes) nla_type: const = 0x3 (2
  //                                            bytes) payload: int32 = 0x4 (4
  //                                            bytes) size: buffer: {} (length
  //                                            0x0)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_CMD:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_CMD,
  //                                          int16], int8] {
  //                                            nla_len: offsetof = 0x5 (2
  //                                            bytes) nla_type: const = 0x2 (2
  //                                            bytes) payload: int8 = 0x20 (1
  //                                            bytes) size: buffer: {} (length
  //                                            0x0) pad = 0x0 (3 bytes)
  //                                          }
  //                                        }
  //                                        union entry_policy$taprio {
  //                                          TCA_TAPRIO_SCHED_ENTRY_INTERVAL:
  //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
  //                                          int16], int32] {
  //                                            nla_len: offsetof = 0x8 (2
  //                                            bytes) nla_type: const = 0x4 (2
  //                                            bytes) payload: int32 = 0x9b (4
  //                                            bytes) size: buffer: {} (length
  //                                            0x0)
  //                                          }
  //                                        }
  //                                      }
  //                                      size: buffer: {} (length 0x0)
  //                                    }
  //                                  }
  //                                  size: buffer: {} (length 0x0)
  //                                }
  //                              }
  //                              union taprio_policy {
  //                                TCA_TAPRIO_ATTR_SCHED_CLOCKID:
  //                                nlattr_t[const[TCA_TAPRIO_ATTR_SCHED_CLOCKID,
  //                                int16], int32] {
  //                                  nla_len: offsetof = 0x8 (2 bytes)
  //                                  nla_type: const = 0x5 (2 bytes)
  //                                  payload: int32 = 0x1 (4 bytes)
  //                                  size: buffer: {} (length 0x0)
  //                                }
  //                              }
  //                            }
  //                            size: buffer: {} (length 0x0)
  //                          }
  //                        }
  //                      }
  //                    }
  //                  }
  //                }
  //              }
  //            }
  //            len: len = 0x8c (8 bytes)
  //          }
  //        }
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x40001 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x10 (8 bytes)
  //  ]
  *(uint64_t*)0x200012c0 = 0;
  *(uint32_t*)0x200012c8 = 0;
  *(uint64_t*)0x200012d0 = 0x20000080;
  *(uint64_t*)0x20000080 = 0x20000140;
  *(uint32_t*)0x20000140 = 0x8c;
  *(uint16_t*)0x20000144 = 0x24;
  *(uint16_t*)0x20000146 = 0x6541;
  *(uint32_t*)0x20000148 = 0x70bd29;
  *(uint32_t*)0x2000014c = 0xfffbffff;
  *(uint8_t*)0x20000150 = 0;
  *(uint8_t*)0x20000151 = 0;
  *(uint16_t*)0x20000152 = 0;
  *(uint32_t*)0x20000154 = r[2];
  *(uint16_t*)0x20000158 = 0;
  *(uint16_t*)0x2000015a = 8;
  *(uint16_t*)0x2000015c = -1;
  *(uint16_t*)0x2000015e = -1;
  *(uint16_t*)0x20000160 = 0xc;
  *(uint16_t*)0x20000162 = 0xfff3;
  *(uint16_t*)0x20000164 = 0xb;
  *(uint16_t*)0x20000166 = 1;
  memcpy((void*)0x20000168, "taprio\000", 7);
  *(uint16_t*)0x20000170 = 0x5c;
  *(uint16_t*)0x20000172 = 2;
  *(uint16_t*)0x20000174 = 0x50;
  STORE_BY_BITMASK(uint16_t, , 0x20000176, 2, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000177, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000177, 1, 7, 1);
  *(uint16_t*)0x20000178 = 0x4c;
  STORE_BY_BITMASK(uint16_t, , 0x2000017a, 1, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000017b, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000017b, 1, 7, 1);
  *(uint16_t*)0x2000017c = 8;
  *(uint16_t*)0x2000017e = 4;
  *(uint32_t*)0x20000180 = 7;
  *(uint16_t*)0x20000184 = 5;
  *(uint16_t*)0x20000186 = 2;
  *(uint8_t*)0x20000188 = 8;
  *(uint16_t*)0x2000018c = 5;
  *(uint16_t*)0x2000018e = 2;
  *(uint8_t*)0x20000190 = 5;
  *(uint16_t*)0x20000194 = 8;
  *(uint16_t*)0x20000196 = 4;
  *(uint32_t*)0x20000198 = 0;
  *(uint16_t*)0x2000019c = 8;
  *(uint16_t*)0x2000019e = 4;
  *(uint32_t*)0x200001a0 = 5;
  *(uint16_t*)0x200001a4 = 5;
  *(uint16_t*)0x200001a6 = 2;
  *(uint8_t*)0x200001a8 = 0;
  *(uint16_t*)0x200001ac = 8;
  *(uint16_t*)0x200001ae = 3;
  *(uint32_t*)0x200001b0 = 4;
  *(uint16_t*)0x200001b4 = 5;
  *(uint16_t*)0x200001b6 = 2;
  *(uint8_t*)0x200001b8 = 0x20;
  *(uint16_t*)0x200001bc = 8;
  *(uint16_t*)0x200001be = 4;
  *(uint32_t*)0x200001c0 = 0x9b;
  *(uint16_t*)0x200001c4 = 8;
  *(uint16_t*)0x200001c6 = 5;
  *(uint32_t*)0x200001c8 = 1;
  *(uint64_t*)0x20000088 = 0x8c;
  *(uint64_t*)0x200012d8 = 1;
  *(uint64_t*)0x200012e0 = 0;
  *(uint64_t*)0x200012e8 = 0;
  *(uint32_t*)0x200012f0 = 0x40001;
  syscall(__NR_sendmsg, /*fd=*/r[4], /*msg=*/0x200012c0ul,
          /*f=MSG_PROBE*/ 0x10ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*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=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  setup_sysctl();
  const char* reason;
  (void)reason;
  if ((reason = setup_802154()))
    printf("the reproducer may not work as expected: 802154 injection setup "
           "failed: %s\n",
           reason);
  loop();
  return 0;
}