// https://syzkaller.appspot.com/bug?id=c47ed0a4b977a008f22dd3431efd59987d2813fd
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.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/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>

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;
}

static void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

#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))))

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

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;
}

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");
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 6; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

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[4] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    //  socket$unix arguments: [
    //    domain: const = 0x1 (8 bytes)
    //    type: unix_socket_type = 0x5 (8 bytes)
    //    proto: const = 0x0 (4 bytes)
    //  ]
    //  returns sock_unix
    res = syscall(__NR_socket, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul,
                  /*proto=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    //  ioctl$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: {76 65 74 68 30 5f 6d 61 63 76 74 61 70 00 00
    //        00} (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes)
    //      }
    //    }
    //  ]
    memcpy((void*)0x2000000000c0, "veth0_macvtap\000\000\000", 16);
    res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8933,
                  /*arg=*/0x2000000000c0ul);
    if (res != -1)
      r[1] = *(uint32_t*)0x2000000000d0;
    break;
  case 2:
    //  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[2] = res;
    break;
  case 3:
    //  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*)0x200000000200 = 0;
    *(uint32_t*)0x200000000208 = 0;
    *(uint64_t*)0x200000000210 = 0x200000000000;
    *(uint64_t*)0x200000000000 = 0x200000000300;
    *(uint32_t*)0x200000000300 = 0x88;
    *(uint16_t*)0x200000000304 = 0x24;
    *(uint16_t*)0x200000000306 = 0xf0b;
    *(uint32_t*)0x200000000308 = 0x70bd26;
    *(uint32_t*)0x20000000030c = 0;
    *(uint8_t*)0x200000000310 = 0;
    *(uint8_t*)0x200000000311 = 0;
    *(uint16_t*)0x200000000312 = 0;
    *(uint32_t*)0x200000000314 = r[1];
    *(uint16_t*)0x200000000318 = 0;
    *(uint16_t*)0x20000000031a = -1;
    *(uint16_t*)0x20000000031c = -1;
    *(uint16_t*)0x20000000031e = -1;
    *(uint16_t*)0x200000000320 = 0;
    *(uint16_t*)0x200000000322 = 0;
    *(uint16_t*)0x200000000324 = 0xb;
    *(uint16_t*)0x200000000326 = 1;
    memcpy((void*)0x200000000328, "mqprio\000", 7);
    *(uint16_t*)0x200000000330 = 0x58;
    *(uint16_t*)0x200000000332 = 2;
    *(uint8_t*)0x200000000334 = 1;
    *(uint8_t*)0x200000000335 = 0;
    *(uint8_t*)0x200000000336 = 0;
    *(uint8_t*)0x200000000337 = 0;
    *(uint8_t*)0x200000000338 = 0;
    *(uint8_t*)0x200000000339 = 0;
    *(uint8_t*)0x20000000033a = 0;
    *(uint8_t*)0x20000000033b = 0;
    *(uint8_t*)0x20000000033c = 0;
    *(uint8_t*)0x20000000033d = 0;
    *(uint8_t*)0x20000000033e = 0;
    *(uint8_t*)0x20000000033f = 0;
    *(uint8_t*)0x200000000340 = 0;
    *(uint8_t*)0x200000000341 = 0;
    *(uint8_t*)0x200000000342 = 0;
    *(uint8_t*)0x200000000343 = 0;
    *(uint8_t*)0x200000000344 = 0;
    *(uint8_t*)0x200000000345 = 0;
    *(uint16_t*)0x200000000346 = 1;
    *(uint16_t*)0x200000000348 = 2;
    *(uint16_t*)0x20000000034a = 0xfffe;
    *(uint16_t*)0x20000000034c = 0;
    *(uint16_t*)0x20000000034e = 0;
    *(uint16_t*)0x200000000350 = 0;
    *(uint16_t*)0x200000000352 = 0;
    *(uint16_t*)0x200000000354 = 8;
    *(uint16_t*)0x200000000356 = 0;
    *(uint16_t*)0x200000000358 = 0x5c4;
    *(uint16_t*)0x20000000035a = 0x8000;
    *(uint16_t*)0x20000000035c = 0;
    *(uint16_t*)0x20000000035e = 0;
    *(uint16_t*)0x200000000360 = 0x3dc;
    *(uint16_t*)0x200000000362 = 0;
    *(uint16_t*)0x200000000364 = 0;
    *(uint16_t*)0x200000000366 = 0;
    *(uint16_t*)0x200000000368 = 4;
    *(uint16_t*)0x20000000036a = 0;
    *(uint16_t*)0x20000000036c = 0;
    *(uint16_t*)0x20000000036e = 0;
    *(uint16_t*)0x200000000370 = 0;
    *(uint16_t*)0x200000000372 = 0;
    *(uint16_t*)0x200000000374 = 0;
    *(uint16_t*)0x200000000376 = 0;
    *(uint16_t*)0x200000000378 = 0;
    *(uint16_t*)0x20000000037a = 0;
    *(uint16_t*)0x20000000037c = 0;
    *(uint16_t*)0x20000000037e = 0;
    *(uint16_t*)0x200000000380 = 0;
    *(uint16_t*)0x200000000382 = 0;
    *(uint16_t*)0x200000000384 = 0x1000;
    *(uint64_t*)0x200000000008 = 0x88;
    *(uint64_t*)0x200000000218 = 1;
    *(uint64_t*)0x200000000220 = 0;
    *(uint64_t*)0x200000000228 = 0;
    *(uint32_t*)0x200000000230 = 0;
    syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x200000000200ul,
            /*f=MSG_FASTOPEN*/ 0x20000000ul);
    break;
  case 4:
    //  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[3] = res;
    break;
  case 5:
    //  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 = 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 = 0x34 (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$taprio]]]] {
    //                                  nla_len: offsetof = 0x28 (2 bytes)
    //                                  nla_type: const = 0x2 (1 bytes)
    //                                  NLA_F_NET_BYTEORDER: const = 0x0 (0
    //                                  bytes) NLA_F_NESTED: const = 0x1 (1
    //                                  bytes) payload:
    //                                  array[nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
    //                                  int16:14], 0, 1,
    //                                  array[entry_policy$taprio]]] {
    //                                    nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
    //                                    int16:14], 0, 1,
    //                                    array[entry_policy$taprio]] {
    //                                      nla_len: offsetof = 0x24 (2 bytes)
    //                                      nla_type: const = 0x1 (1 bytes)
    //                                      NLA_F_NET_BYTEORDER: const = 0x0 (0
    //                                      bytes) NLA_F_NESTED: const = 0x1 (1
    //                                      bytes) payload:
    //                                      array[entry_policy$taprio] {
    //                                        union entry_policy$taprio {
    //                                          TCA_TAPRIO_SCHED_ENTRY_INTERVAL:
    //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
    //                                          int16], int32] {
    //                                            nla_len: offsetof = 0x8 (2
    //                                            bytes) nla_type: const = 0x4
    //                                            (2 bytes) payload: int32 =
    //                                            0x8001 (4 bytes) size: buffer:
    //                                            {} (length 0x0)
    //                                          }
    //                                        }
    //                                        union entry_policy$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 =
    //                                            0x36 (4 bytes) size: buffer:
    //                                            {} (length 0x0)
    //                                          }
    //                                        }
    //                                        union entry_policy$taprio {
    //                                          TCA_TAPRIO_SCHED_ENTRY_GATE_MASK:
    //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_GATE_MASK,
    //                                          int16], int32] {
    //                                            nla_len: offsetof = 0x8 (2
    //                                            bytes) nla_type: const = 0x3
    //                                            (2 bytes) payload: int32 =
    //                                            0x7fffffff (4 bytes) size:
    //                                            buffer: {} (length 0x0)
    //                                          }
    //                                        }
    //                                        union entry_policy$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 =
    //                                            0xffffffff (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 = 0x0 (4 bytes)
    //                                  size: buffer: {} (length 0x0)
    //                                }
    //                              }
    //                            }
    //                            size: buffer: {} (length 0x0)
    //                          }
    //                        }
    //                      }
    //                    }
    //                    union rtm_tca_policy {
    //                      TCA_STAB: nlattr_tt[const[TCA_STAB, int16:14], 0, 1,
    //                      array[stab_policy]] {
    //                        nla_len: offsetof = 0x24 (2 bytes)
    //                        nla_type: const = 0x8 (1 bytes)
    //                        NLA_F_NET_BYTEORDER: const = 0x0 (0 bytes)
    //                        NLA_F_NESTED: const = 0x1 (1 bytes)
    //                        payload: array[stab_policy] {
    //                          stab_policy {
    //                            TCA_STAB_BASE: nlattr_t[const[TCA_STAB_BASE,
    //                            int16], tc_sizespec] {
    //                              nla_len: offsetof = 0x1c (2 bytes)
    //                              nla_type: const = 0x1 (2 bytes)
    //                              payload: tc_sizespec {
    //                                cell_log: int8 = 0x1 (1 bytes)
    //                                size_log: int8 = 0x6 (1 bytes)
    //                                cell_align: int16 = 0x5 (2 bytes)
    //                                overhead: int32 = 0x4 (4 bytes)
    //                                linklayer: linklayer = 0x0 (4 bytes)
    //                                mpu: int32 = 0x8 (4 bytes)
    //                                mtu: int32 = 0xa5b4 (4 bytes)
    //                                tsize: len = 0x0 (4 bytes)
    //                              }
    //                              size: buffer: {} (length 0x0)
    //                            }
    //                            TCA_STAB_DATA: nlattr_t[const[TCA_STAB_DATA,
    //                            int16], array[int16]] {
    //                              nla_len: offsetof = 0x4 (2 bytes)
    //                              nla_type: const = 0x2 (2 bytes)
    //                              payload: array[int16] {
    //                              }
    //                              size: buffer: {} (length 0x0)
    //                            }
    //                          }
    //                        }
    //                        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 = 0x40001 (4 bytes)
    //        pad = 0x0 (4 bytes)
    //      }
    //    }
    //    f: send_flags = 0x10 (8 bytes)
    //  ]
    *(uint64_t*)0x2000000012c0 = 0;
    *(uint32_t*)0x2000000012c8 = 0;
    *(uint64_t*)0x2000000012d0 = 0x200000000080;
    *(uint64_t*)0x200000000080 = 0x200000000480;
    *(uint32_t*)0x200000000480 = 0x88;
    *(uint16_t*)0x200000000484 = 0x24;
    *(uint16_t*)0x200000000486 = 0x6541;
    *(uint32_t*)0x200000000488 = 0x70bd29;
    *(uint32_t*)0x20000000048c = 0xfffbffff;
    *(uint8_t*)0x200000000490 = 0;
    *(uint8_t*)0x200000000491 = 0;
    *(uint16_t*)0x200000000492 = 0;
    *(uint32_t*)0x200000000494 = r[1];
    *(uint16_t*)0x200000000498 = 0;
    *(uint16_t*)0x20000000049a = 8;
    *(uint16_t*)0x20000000049c = -1;
    *(uint16_t*)0x20000000049e = -1;
    *(uint16_t*)0x2000000004a0 = 0xc;
    *(uint16_t*)0x2000000004a2 = 0xfff3;
    *(uint16_t*)0x2000000004a4 = 0xb;
    *(uint16_t*)0x2000000004a6 = 1;
    memcpy((void*)0x2000000004a8, "taprio\000", 7);
    *(uint16_t*)0x2000000004b0 = 0x34;
    *(uint16_t*)0x2000000004b2 = 2;
    *(uint16_t*)0x2000000004b4 = 0x28;
    STORE_BY_BITMASK(uint16_t, , 0x2000000004b6, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004b7, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004b7, 1, 7, 1);
    *(uint16_t*)0x2000000004b8 = 0x24;
    STORE_BY_BITMASK(uint16_t, , 0x2000000004ba, 1, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004bb, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004bb, 1, 7, 1);
    *(uint16_t*)0x2000000004bc = 8;
    *(uint16_t*)0x2000000004be = 4;
    *(uint32_t*)0x2000000004c0 = 0x8001;
    *(uint16_t*)0x2000000004c4 = 8;
    *(uint16_t*)0x2000000004c6 = 4;
    *(uint32_t*)0x2000000004c8 = 0x36;
    *(uint16_t*)0x2000000004cc = 8;
    *(uint16_t*)0x2000000004ce = 3;
    *(uint32_t*)0x2000000004d0 = 0x7fffffff;
    *(uint16_t*)0x2000000004d4 = 8;
    *(uint16_t*)0x2000000004d6 = 3;
    *(uint32_t*)0x2000000004d8 = -1;
    *(uint16_t*)0x2000000004dc = 8;
    *(uint16_t*)0x2000000004de = 5;
    *(uint32_t*)0x2000000004e0 = 0;
    *(uint16_t*)0x2000000004e4 = 0x24;
    STORE_BY_BITMASK(uint16_t, , 0x2000000004e6, 8, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004e7, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000000004e7, 1, 7, 1);
    *(uint16_t*)0x2000000004e8 = 0x1c;
    *(uint16_t*)0x2000000004ea = 1;
    *(uint8_t*)0x2000000004ec = 1;
    *(uint8_t*)0x2000000004ed = 6;
    *(uint16_t*)0x2000000004ee = 5;
    *(uint32_t*)0x2000000004f0 = 4;
    *(uint32_t*)0x2000000004f4 = 0;
    *(uint32_t*)0x2000000004f8 = 8;
    *(uint32_t*)0x2000000004fc = 0xa5b4;
    *(uint32_t*)0x200000000500 = 0;
    *(uint16_t*)0x200000000504 = 4;
    *(uint16_t*)0x200000000506 = 2;
    *(uint64_t*)0x200000000088 = 0x88;
    *(uint64_t*)0x2000000012d8 = 1;
    *(uint64_t*)0x2000000012e0 = 0;
    *(uint64_t*)0x2000000012e8 = 0;
    *(uint32_t*)0x2000000012f0 = 0x40001;
    syscall(__NR_sendmsg, /*fd=*/r[3], /*msg=*/0x2000000012c0ul,
            /*f=MSG_PROBE*/ 0x10ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}