// https://syzkaller.appspot.com/bug?id=ac9ffc93c2c8d15e8f7f5bab6455585b8e60145d
// 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 < 4; 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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    //  socket$nl_route arguments: [
    //    domain: const = 0x10 (8 bytes)
    //    type: const = 0x3 (8 bytes)
    //    proto: const = 0x0 (4 bytes)
    //  ]
    //  returns sock_nl_route
    res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    //  socket$inet arguments: [
    //    domain: const = 0x2 (8 bytes)
    //    type: socket_type = 0x2 (8 bytes)
    //    proto: int32 = 0x0 (4 bytes)
    //  ]
    //  returns sock_in
    res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM*/ 2ul,
                  /*proto=*/0);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    //  ioctl$sock_SIOCGIFINDEX arguments: [
    //    fd: sock (resource)
    //    cmd: const = 0x8933 (4 bytes)
    //    arg: ptr[out, ifreq_dev_t[devnames, ifindex]] {
    //      ifreq_dev_t[devnames, ifindex] {
    //        ifr_ifrn: buffer: {76 65 74 68 30 00 00 00 00 00 00 00 00 00 00
    //        00} (length 0x10) elem: ifindex (resource) pad = 0x0 (20 bytes)
    //      }
    //    }
    //  ]
    memcpy((void*)0x200000000300,
           "veth0\000\000\000\000\000\000\000\000\000\000\000", 16);
    res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933,
                  /*arg=*/0x200000000300ul);
    if (res != -1)
      r[2] = *(uint32_t*)0x200000000310;
    break;
  case 3:
    //  sendmsg$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 = 0xc0 (4 bytes)
    //                  type: const = 0x24 (2 bytes)
    //                  flags: netlink_msg_flags = 0x601 (2 bytes)
    //                  seq: int32 = 0x0 (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 = 0x0 (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_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 = 0x90 (2 bytes)
    //                            nla_type: const = 0x2 (2 bytes)
    //                            payload: array[taprio_policy] {
    //                              union taprio_policy {
    //                                TCA_TAPRIO_ATTR_PRIOMAP:
    //                                nlattr_t[const[TCA_TAPRIO_ATTR_PRIOMAP,
    //                                int16], tc_mqprio_qopt] {
    //                                  nla_len: offsetof = 0x56 (2 bytes)
    //                                  nla_type: const = 0x1 (2 bytes)
    //                                  payload: 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 = 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 = 0x0 (2 bytes)
    //                                      int16 = 0x0 (2 bytes)
    //                                    }
    //                                    offset: array[int16] {
    //                                      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 = 0x0 (2 bytes)
    //                                      int16 = 0x0 (2 bytes)
    //                                      int16 = 0x0 (2 bytes)
    //                                    }
    //                                  }
    //                                  size: buffer: {} (length 0x0)
    //                                  pad = 0x0 (2 bytes)
    //                                }
    //                              }
    //                              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$taprio]]]] {
    //                                  nla_len: offsetof = 0x20 (2 bytes)
    //                                  nla_type: const = 0x2 (1 bytes)
    //                                  NLA_F_NET_BYTEORDER: const = 0x0 (0
    //                                  bytes) NLA_F_NESTED: const = 0x1 (1
    //                                  bytes) payload:
    //                                  array[nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
    //                                  int16:14], 0, 1,
    //                                  array[entry_policy$taprio]]] {
    //                                    nlattr_tt[const[TCA_TAPRIO_SCHED_ENTRY,
    //                                    int16:14], 0, 1,
    //                                    array[entry_policy$taprio]] {
    //                                      nla_len: offsetof = 0x1c (2 bytes)
    //                                      nla_type: const = 0x1 (1 bytes)
    //                                      NLA_F_NET_BYTEORDER: const = 0x0 (0
    //                                      bytes) NLA_F_NESTED: const = 0x1 (1
    //                                      bytes) payload:
    //                                      array[entry_policy$taprio] {
    //                                        union entry_policy$taprio {
    //                                          TCA_TAPRIO_SCHED_ENTRY_CMD:
    //                                          nlattr_t[const[TCA_TAPRIO_SCHED_ENTRY_CMD,
    //                                          int16], int8] {
    //                                            nla_len: offsetof = 0x5 (2
    //                                            bytes) nla_type: const = 0x2
    //                                            (2 bytes) payload: int8 = 0x0
    //                                            (1 bytes) size: buffer: {}
    //                                            (length 0x0) pad = 0x0 (3
    //                                            bytes)
    //                                          }
    //                                        }
    //                                        union entry_policy$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 = 0x1
    //                                            (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 =
    //                                            0x3e8 (4 bytes) size: buffer:
    //                                            {} (length 0x0)
    //                                          }
    //                                        }
    //                                      }
    //                                      size: buffer: {} (length 0x0)
    //                                    }
    //                                  }
    //                                  size: buffer: {} (length 0x0)
    //                                }
    //                              }
    //                              union taprio_policy {
    //                                TCA_TAPRIO_ATTR_SCHED_BASE_TIME:
    //                                nlattr_t[const[TCA_TAPRIO_ATTR_SCHED_BASE_TIME,
    //                                int16], int64] {
    //                                  nla_len: offsetof = 0xc (2 bytes)
    //                                  nla_type: const = 0x3 (2 bytes)
    //                                  payload: int64 = 0xffffffffc4653600 (8
    //                                  bytes) 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)
    //                          }
    //                        }
    //                      }
    //                    }
    //                  }
    //                }
    //              }
    //            }
    //            len: len = 0xc0 (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*)0x2000000001c0 = 0;
    *(uint32_t*)0x2000000001c8 = 0;
    *(uint64_t*)0x2000000001d0 = 0x200000000200;
    *(uint64_t*)0x200000000200 = 0x200000000240;
    *(uint32_t*)0x200000000240 = 0xc0;
    *(uint16_t*)0x200000000244 = 0x24;
    *(uint16_t*)0x200000000246 = 0x601;
    *(uint32_t*)0x200000000248 = 0;
    *(uint32_t*)0x20000000024c = 0;
    *(uint8_t*)0x200000000250 = 0;
    *(uint8_t*)0x200000000251 = 0;
    *(uint16_t*)0x200000000252 = 0;
    *(uint32_t*)0x200000000254 = r[2];
    *(uint16_t*)0x200000000258 = 0;
    *(uint16_t*)0x20000000025a = 0;
    *(uint16_t*)0x20000000025c = -1;
    *(uint16_t*)0x20000000025e = -1;
    *(uint16_t*)0x200000000260 = 0;
    *(uint16_t*)0x200000000262 = 0;
    *(uint16_t*)0x200000000264 = 0xb;
    *(uint16_t*)0x200000000266 = 1;
    memcpy((void*)0x200000000268, "taprio\000", 7);
    *(uint16_t*)0x200000000270 = 0x90;
    *(uint16_t*)0x200000000272 = 2;
    *(uint16_t*)0x200000000274 = 0x56;
    *(uint16_t*)0x200000000276 = 1;
    *(uint8_t*)0x200000000278 = 1;
    *(uint8_t*)0x200000000279 = 0;
    *(uint8_t*)0x20000000027a = 0;
    *(uint8_t*)0x20000000027b = 0;
    *(uint8_t*)0x20000000027c = 0;
    *(uint8_t*)0x20000000027d = 0;
    *(uint8_t*)0x20000000027e = 0;
    *(uint8_t*)0x20000000027f = 0;
    *(uint8_t*)0x200000000280 = 0;
    *(uint8_t*)0x200000000281 = 0;
    *(uint8_t*)0x200000000282 = 0;
    *(uint8_t*)0x200000000283 = 0;
    *(uint8_t*)0x200000000284 = 0;
    *(uint8_t*)0x200000000285 = 0;
    *(uint8_t*)0x200000000286 = 0;
    *(uint8_t*)0x200000000287 = 0;
    *(uint8_t*)0x200000000288 = 0;
    *(uint8_t*)0x200000000289 = 0;
    *(uint16_t*)0x20000000028a = 1;
    *(uint16_t*)0x20000000028c = 0;
    *(uint16_t*)0x20000000028e = 0;
    *(uint16_t*)0x200000000290 = 0;
    *(uint16_t*)0x200000000292 = 0;
    *(uint16_t*)0x200000000294 = 0;
    *(uint16_t*)0x200000000296 = 0;
    *(uint16_t*)0x200000000298 = 0;
    *(uint16_t*)0x20000000029a = 0;
    *(uint16_t*)0x20000000029c = 0;
    *(uint16_t*)0x20000000029e = 0;
    *(uint16_t*)0x2000000002a0 = 0;
    *(uint16_t*)0x2000000002a2 = 0;
    *(uint16_t*)0x2000000002a4 = 0;
    *(uint16_t*)0x2000000002a6 = 0;
    *(uint16_t*)0x2000000002a8 = 0;
    *(uint16_t*)0x2000000002aa = 0;
    *(uint16_t*)0x2000000002ac = 0;
    *(uint16_t*)0x2000000002ae = 0;
    *(uint16_t*)0x2000000002b0 = 0;
    *(uint16_t*)0x2000000002b2 = 0;
    *(uint16_t*)0x2000000002b4 = 0;
    *(uint16_t*)0x2000000002b6 = 0;
    *(uint16_t*)0x2000000002b8 = 0;
    *(uint16_t*)0x2000000002ba = 0;
    *(uint16_t*)0x2000000002bc = 0;
    *(uint16_t*)0x2000000002be = 0;
    *(uint16_t*)0x2000000002c0 = 0;
    *(uint16_t*)0x2000000002c2 = 0;
    *(uint16_t*)0x2000000002c4 = 0;
    *(uint16_t*)0x2000000002c6 = 0;
    *(uint16_t*)0x2000000002c8 = 0;
    *(uint16_t*)0x2000000002cc = 0x20;
    STORE_BY_BITMASK(uint16_t, , 0x2000000002ce, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000000002cf, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000000002cf, 1, 7, 1);
    *(uint16_t*)0x2000000002d0 = 0x1c;
    STORE_BY_BITMASK(uint16_t, , 0x2000000002d2, 1, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000000002d3, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000000002d3, 1, 7, 1);
    *(uint16_t*)0x2000000002d4 = 5;
    *(uint16_t*)0x2000000002d6 = 2;
    *(uint8_t*)0x2000000002d8 = 0;
    *(uint16_t*)0x2000000002dc = 8;
    *(uint16_t*)0x2000000002de = 3;
    *(uint32_t*)0x2000000002e0 = 1;
    *(uint16_t*)0x2000000002e4 = 8;
    *(uint16_t*)0x2000000002e6 = 4;
    *(uint32_t*)0x2000000002e8 = 0x3e8;
    *(uint16_t*)0x2000000002ec = 0xc;
    *(uint16_t*)0x2000000002ee = 3;
    *(uint64_t*)0x2000000002f0 = 0xffffffffc4653600;
    *(uint16_t*)0x2000000002f8 = 8;
    *(uint16_t*)0x2000000002fa = 5;
    *(uint32_t*)0x2000000002fc = 0;
    *(uint64_t*)0x200000000208 = 0xc0;
    *(uint64_t*)0x2000000001d8 = 1;
    *(uint64_t*)0x2000000001e0 = 0;
    *(uint64_t*)0x2000000001e8 = 0;
    *(uint32_t*)0x2000000001f0 = 0;
    syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000001c0ul, /*f=*/0ul);
    break;
  }
}
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;
  loop();
  return 0;
}