// https://syzkaller.appspot.com/bug?id=76bcaf9c3aa61e36e7d81c40cf27599a6311fead
// 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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.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);
  if (pthread_create(&th, &attr, fn, arg))
    exit(1);
  pthread_attr_destroy(&attr);
}

#define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1)

#define BITMASK_LEN_OFF(type, bf_off, bf_len)                                  \
  (type)(BITMASK_LEN(type, (bf_len)) << (bf_off))

#define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len)                      \
  if ((bf_off) == 0 && (bf_len) == 0) {                                        \
    *(type*)(addr) = (type)(val);                                              \
  } else {                                                                     \
    type new_val = *(type*)(addr);                                             \
    new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len));                     \
    new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off);          \
    *(type*)(addr) = new_val;                                                  \
  }

struct csum_inet {
  uint32_t acc;
};

static void csum_inet_init(struct csum_inet* csum)
{
  csum->acc = 0;
}

static void csum_inet_update(struct csum_inet* csum, const uint8_t* data,
                             size_t length)
{
  if (length == 0)
    return;
  size_t i;
  for (i = 0; i < length - 1; i += 2)
    csum->acc += *(uint16_t*)&data[i];
  if (length & 1)
    csum->acc += (uint16_t)data[length - 1];
  while (csum->acc > 0xffff)
    csum->acc = (csum->acc & 0xffff) + (csum->acc >> 16);
}

static uint16_t csum_inet_digest(struct csum_inet* csum)
{
  return ~csum->acc;
}

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);
}

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_RELAXED))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

static long syz_open_dev(long a0, long a1, long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static long syz_init_net_socket(long domain, long type, long proto)
{
  return syscall(__NR_socket, domain, type, proto);
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (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) {
  }
}

#define SYZ_HAVE_SETUP_TEST 1
static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
}

#define SYZ_HAVE_RESET_TEST 1
static void reset_test()
{
  int fd;
  for (fd = 3; fd < 30; fd++)
    close(fd);
}

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)
{
  int i, call, thread;
  for (call = 0; call < 67; 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, 45);
      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;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      reset_test();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}
#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_sched_getattr
#define __NR_sched_getattr 315
#endif

uint64_t r[18] = {0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0x0,
                  0x0,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0xffffffffffffffff,
                  0x0,
                  0xffffffffffffffff};

void execute_call(int call)
{
  long res;
  switch (call) {
  case 0:
    memcpy((void*)0x20027000, "./file0", 8);
    syscall(__NR_mkdir, 0x20027000, 0);
    break;
  case 1:
    memcpy((void*)0x20000040, "[d::]:/llb:", 12);
    memcpy((void*)0x20000080, "./file0", 8);
    memcpy((void*)0x20000100, "ceph", 5);
    memcpy((void*)0x20000140, "", 1);
    syscall(__NR_mount, 0x20000040, 0x20000080, 0x20000100, 0, 0x20000140);
    break;
  case 2:
    syscall(__NR_sched_getattr, 0, 0x200000c0, 0x30, 0);
    break;
  case 3:
    syscall(__NR_keyctl, 0x12);
    break;
  case 4:
    syscall(__NR_socket, 0x10, 3, 0xc);
    break;
  case 5:
    memcpy((void*)0x200001c0, "/dev/sequencer2", 16);
    syscall(__NR_openat, 0xffffffffffffff9c, 0x200001c0, 0, 0);
    break;
  case 6:
    res = syz_init_net_socket(0x1a, 1, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 7:
    *(uint16_t*)0x200012c0 = 0x1a;
    *(uint16_t*)0x200012c2 = 0x304;
    *(uint8_t*)0x200012c4 = 0;
    *(uint8_t*)0x200012c5 = 0;
    *(uint8_t*)0x200012c6 = 0;
    *(uint8_t*)0x200012c7 = 0;
    *(uint8_t*)0x200012c8 = -1;
    *(uint8_t*)0x200012c9 = -1;
    *(uint8_t*)0x200012ca = -1;
    *(uint8_t*)0x200012cb = -1;
    *(uint8_t*)0x200012cc = -1;
    *(uint8_t*)0x200012cd = -1;
    syscall(__NR_sendto, r[0], 0x20001240, 0x2d3, 0, 0x200012c0, 0x10);
    break;
  case 8:
    *(uint64_t*)0x20000280 = 0;
    *(uint64_t*)0x20000288 = 0x7530;
    syscall(__NR_setsockopt, r[0], 1, 0x15, 0x20000280, 0x2c5);
    break;
  case 9:
    memcpy((void*)0x200000c0, "/dev/dsp", 9);
    res = syscall(__NR_openat, 0xffffffffffffff9c, 0x200000c0, 0x404000002, 0);
    if (res != -1)
      r[1] = res;
    break;
  case 10:
    *(uint64_t*)0x200004c0 = 0;
    syscall(__NR_ioctl, r[1], 0x8000008010500c, 0x200004c0);
    break;
  case 11:
    syscall(__NR_ioctl, -1, 0x8912, 0x400200);
    break;
  case 12:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, -1, 0x20000240, 1);
    break;
  case 13:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[2] = res;
    break;
  case 14:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[2], 0x20000240, 1);
    break;
  case 15:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[3] = res;
    break;
  case 16:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[3], 0x20000240, 1);
    break;
  case 17:
    res = syscall(__NR_socketpair, 1, 5, 0, 0x20000100);
    if (res != -1)
      r[4] = *(uint32_t*)0x20000104;
    break;
  case 18:
    syscall(__NR_ioctl, r[4], 0x8912, 0x400200);
    break;
  case 19:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[5] = res;
    break;
  case 20:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[5], 0x20000240, 1);
    break;
  case 21:
    res = syscall(__NR_socketpair, 1, 5, 0, 0x20000100);
    if (res != -1)
      r[6] = *(uint32_t*)0x20000104;
    break;
  case 22:
    syscall(__NR_ioctl, r[6], 0x8912, 0x400200);
    break;
  case 23:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[7] = res;
    break;
  case 24:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[7], 0x20000240, 1);
    break;
  case 25:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[8] = res;
    break;
  case 26:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[8], 0x20000240, 1);
    break;
  case 27:
    *(uint32_t*)0x20000700 = 0x16;
    *(uint16_t*)0x20000704 = 0x98;
    *(uint16_t*)0x20000706 = 0xfa00;
    *(uint64_t*)0x20000708 = 0x20000340;
    *(uint64_t*)0x20000710 = 2;
    *(uint32_t*)0x20000718 = -1;
    *(uint16_t*)0x2000071c = 0;
    *(uint16_t*)0x2000071e = 0;
    *(uint16_t*)0x20000720 = 0x1b;
    *(uint16_t*)0x20000722 = htobe16(0x3f);
    *(uint32_t*)0x20000724 = htobe32(0);
    memcpy((void*)0x20000728,
           "\x6d\x3a\x03\xa2\x2a\xd1\x38\x04\x23\x8c\x25\x80\x6c\xdd\x75\xac",
           16);
    *(uint64_t*)0x20000738 = htobe64(0x800);
    *(uint64_t*)0x20000740 = htobe64(0);
    *(uint64_t*)0x20000748 = 0;
    syscall(__NR_write, -1, 0x20000700, 0xa0);
    break;
  case 28:
    memcpy((void*)0x20000b40, "./file0", 8);
    syscall(__NR_fchmodat, -1, 0x20000b40, 0);
    break;
  case 29:
    memcpy((void*)0x20000640, "/dev/midi#", 11);
    res = syz_open_dev(0x20000640, 7, 0x200);
    if (res != -1)
      r[9] = res;
    break;
  case 30:
    *(uint32_t*)0x200008c0 = 4;
    syscall(__NR_getsockopt, r[9], 0x84, 0x14, 0x200006c0, 0x200008c0);
    break;
  case 31:
    *(uint32_t*)0x2001d000 = 1;
    *(uint32_t*)0x2001d004 = 0x70;
    *(uint8_t*)0x2001d008 = 0;
    *(uint8_t*)0x2001d009 = 0;
    *(uint8_t*)0x2001d00a = 0;
    *(uint8_t*)0x2001d00b = 0;
    *(uint32_t*)0x2001d00c = 0;
    *(uint64_t*)0x2001d010 = 0x7f;
    *(uint64_t*)0x2001d018 = 0;
    *(uint64_t*)0x2001d020 = 0;
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 0, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 1, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 2, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 3, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 4, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 3, 5, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 6, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 7, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 8, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 9, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 10, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 11, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 12, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 13, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 14, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 15, 2);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 17, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 18, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 19, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 20, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 21, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 22, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 23, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 24, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 25, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 26, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 27, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 28, 1);
    STORE_BY_BITMASK(uint64_t, 0x2001d028, 0, 29, 35);
    *(uint32_t*)0x2001d030 = 0;
    *(uint32_t*)0x2001d034 = 0;
    *(uint64_t*)0x2001d038 = 0;
    *(uint64_t*)0x2001d040 = 0;
    *(uint64_t*)0x2001d048 = 0;
    *(uint64_t*)0x2001d050 = 0;
    *(uint32_t*)0x2001d058 = 0;
    *(uint32_t*)0x2001d05c = 0;
    *(uint64_t*)0x2001d060 = 0;
    *(uint32_t*)0x2001d068 = 0;
    *(uint16_t*)0x2001d06c = 0;
    *(uint16_t*)0x2001d06e = 0;
    syscall(__NR_perf_event_open, 0x2001d000, 0, -1, -1, 0);
    break;
  case 32:
    *(uint32_t*)0x20000200 = 0xe8;
    res = syscall(__NR_getsockopt, -1, 0x29, 0x22, 0x20000380, 0x20000200);
    if (res != -1)
      r[10] = *(uint32_t*)0x200003b0;
    break;
  case 33:
    memcpy((void*)0x20000600, "./file0", 8);
    res = syscall(__NR_stat, 0x20000600, 0x200007c0);
    if (res != -1)
      r[11] = *(uint32_t*)0x200007d0;
    break;
  case 34:
    memcpy((void*)0x20000480, "./file0", 8);
    syscall(__NR_chown, 0x20000480, 0, r[11]);
    break;
  case 35:
    *(uint8_t*)0x20000980 = 7;
    *(uint8_t*)0x20000981 = 2;
    *(uint8_t*)0x20000982 = 9;
    *(uint8_t*)0x20000983 = 0;
    *(uint32_t*)0x20000984 = 8;
    *(uint32_t*)0x20000988 = 4;
    *(uint8_t*)0x2000098c = 1;
    *(uint8_t*)0x2000098d = 0;
    *(uint8_t*)0x2000098e = 0;
    *(uint8_t*)0x2000098f = 0;
    *(uint8_t*)0x20000990 = 0;
    *(uint8_t*)0x20000991 = 0;
    *(uint8_t*)0x20000992 = 0;
    *(uint8_t*)0x20000993 = 0;
    *(uint8_t*)0x20000994 = 0;
    *(uint8_t*)0x20000995 = 0;
    *(uint8_t*)0x20000996 = 0;
    *(uint8_t*)0x20000997 = 0;
    *(uint8_t*)0x20000998 = 0;
    *(uint8_t*)0x20000999 = 0;
    *(uint8_t*)0x2000099a = 0;
    *(uint8_t*)0x2000099b = 0;
    *(uint8_t*)0x2000099c = 0;
    *(uint8_t*)0x2000099d = 0;
    *(uint8_t*)0x2000099e = 0;
    *(uint8_t*)0x2000099f = 0;
    *(uint8_t*)0x200009a0 = 0;
    *(uint8_t*)0x200009a1 = 0;
    *(uint8_t*)0x200009a2 = 0;
    *(uint8_t*)0x200009a3 = 0;
    *(uint8_t*)0x200009a4 = 0;
    *(uint8_t*)0x200009a5 = 0;
    *(uint8_t*)0x200009a6 = 0;
    *(uint8_t*)0x200009a7 = 0;
    *(uint8_t*)0x200009a8 = 0;
    *(uint8_t*)0x200009a9 = 0;
    *(uint8_t*)0x200009aa = 0;
    *(uint8_t*)0x200009ab = 0;
    *(uint8_t*)0x200009ac = 0;
    *(uint8_t*)0x200009ad = 0;
    *(uint8_t*)0x200009ae = 0;
    *(uint8_t*)0x200009af = 0;
    *(uint8_t*)0x200009b0 = 0;
    *(uint8_t*)0x200009b1 = 0;
    *(uint8_t*)0x200009b2 = 0;
    *(uint8_t*)0x200009b3 = 0;
    *(uint8_t*)0x200009b4 = 0;
    *(uint8_t*)0x200009b5 = 0;
    *(uint8_t*)0x200009b6 = 0;
    *(uint8_t*)0x200009b7 = 0;
    *(uint8_t*)0x200009b8 = 0;
    *(uint8_t*)0x200009b9 = 0;
    *(uint8_t*)0x200009ba = 0;
    *(uint8_t*)0x200009bb = 0;
    *(uint8_t*)0x200009bc = 0;
    *(uint8_t*)0x200009bd = 0;
    *(uint8_t*)0x200009be = 0;
    *(uint8_t*)0x200009bf = 0;
    *(uint8_t*)0x200009c0 = 0;
    *(uint8_t*)0x200009c1 = 0;
    *(uint8_t*)0x200009c2 = 0;
    *(uint8_t*)0x200009c3 = 0;
    *(uint8_t*)0x200009c4 = 0;
    *(uint8_t*)0x200009c5 = 0;
    *(uint8_t*)0x200009c6 = 0;
    *(uint8_t*)0x200009c7 = 0;
    *(uint8_t*)0x200009c8 = 0;
    *(uint8_t*)0x200009c9 = 0;
    *(uint8_t*)0x200009ca = 0;
    *(uint8_t*)0x200009cb = 0;
    *(uint8_t*)0x200009cc = 0;
    *(uint8_t*)0x200009cd = 0;
    *(uint8_t*)0x200009ce = 0;
    *(uint8_t*)0x200009cf = 0;
    syscall(__NR_ioctl, r[9], 0x40505330, 0x20000980);
    break;
  case 36:
    memcpy((void*)0x20000680, "/dev/input/mouse#", 18);
    res = syz_open_dev(0x20000680, 0, 0);
    if (res != -1)
      r[12] = res;
    break;
  case 37:
    syscall(__NR_getrusage, 1, 0x20000240);
    break;
  case 38:
    syscall(__NR_setsockopt, r[12], 0, 0x40, 0x200011c0, 1);
    break;
  case 39:
    *(uint32_t*)0x20000900 = 3;
    *(uint32_t*)0x20000904 = 0xaf;
    *(uint32_t*)0x20000908 = 7;
    *(uint32_t*)0x2000090c = 0xd23a;
    *(uint32_t*)0x20000910 = 3;
    *(uint32_t*)0x20000914 = 0;
    syscall(__NR_setsockopt, r[9], 6, 0x16, 0x20000900, 3);
    break;
  case 40:
    *(uint32_t*)0x200005c0 = 0xffffff9c;
    *(uint32_t*)0x200005c4 = 0x50;
    *(uint64_t*)0x200005c8 = 0x20000540;
    syscall(__NR_bpf, 0xf, 0x200005c0, 0x10);
    break;
  case 41:
    syscall(__NR_clone, 0, 0, 0x9999999999999999, 0x20000040, -1);
    break;
  case 42:
    memcpy((void*)0x200001c0, "./file0", 8);
    syscall(__NR_mkdir, 0x200001c0, 0);
    break;
  case 43:
    *(uint32_t*)0x20000000 = 5;
    *(uint32_t*)0x20000004 = 0x70;
    *(uint8_t*)0x20000008 = 0;
    *(uint8_t*)0x20000009 = 0;
    *(uint8_t*)0x2000000a = 0;
    *(uint8_t*)0x2000000b = 0;
    *(uint32_t*)0x2000000c = 0;
    *(uint64_t*)0x20000010 = 0;
    *(uint64_t*)0x20000018 = 0;
    *(uint64_t*)0x20000020 = 0;
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 0, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 1, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 2, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 3, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 4, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 5, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 6, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 7, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 8, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 9, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 10, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 11, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 12, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 13, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 14, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 15, 2);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 17, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 18, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 19, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 20, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 21, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 22, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 23, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 24, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 25, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 26, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 27, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 28, 1);
    STORE_BY_BITMASK(uint64_t, 0x20000028, 0, 29, 35);
    *(uint32_t*)0x20000030 = 0;
    *(uint32_t*)0x20000034 = 0;
    *(uint64_t*)0x20000038 = 0x20000080;
    *(uint64_t*)0x20000040 = 0;
    *(uint64_t*)0x20000048 = 0x200000000;
    *(uint64_t*)0x20000050 = 2;
    *(uint32_t*)0x20000058 = 0;
    *(uint32_t*)0x2000005c = 0;
    *(uint64_t*)0x20000060 = 0;
    *(uint32_t*)0x20000068 = 0;
    *(uint16_t*)0x2000006c = 0;
    *(uint16_t*)0x2000006e = 0;
    syscall(__NR_perf_event_open, 0x20000000, 0, 0, -1, 0);
    break;
  case 44:
    memcpy((void*)0x20000180, "./file0", 8);
    memcpy((void*)0x20000100, "nfs", 4);
    syscall(__NR_mount, 0x20000240, 0x20000180, 0x20000100, 0, 0x20000000);
    break;
  case 45:
    syscall(__NR_socketpair, 0x11, 0, 0x300, 0x20000140);
    break;
  case 46:
    syscall(__NR_clone, 0, 0, 0x9999999999999999, 0x200002c0, -1);
    break;
  case 47:
    memcpy((void*)0x200000c0,
           "\x74\x65\x61\x6d\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           16);
    *(uint32_t*)0x200000d0 = r[10];
    syscall(__NR_ioctl, r[12], 0x8933, 0x200000c0);
    break;
  case 48:
    *(uint32_t*)0x20000040 = 0;
    syscall(__NR_sched_setscheduler, 0, 5, 0x20000040);
    break;
  case 49:
    res = syscall(__NR_socketpair, 1, 5, 0, 0x20000100);
    if (res != -1)
      r[13] = *(uint32_t*)0x20000104;
    break;
  case 50:
    syscall(__NR_ioctl, r[13], 0x8912, 0x400200);
    break;
  case 51:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[14] = res;
    break;
  case 52:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[14], 0x20000240, 1);
    break;
  case 53:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, -1, 0x20000240, 1);
    break;
  case 54:
    *(uint8_t*)0x203f3fd5 = 1;
    *(uint8_t*)0x203f3fd6 = 0x80;
    *(uint8_t*)0x203f3fd7 = 0xc2;
    *(uint8_t*)0x203f3fd8 = 0;
    *(uint8_t*)0x203f3fd9 = 0;
    *(uint8_t*)0x203f3fda = 0;
    *(uint8_t*)0x203f3fdb = 0;
    *(uint8_t*)0x203f3fdc = 0;
    *(uint8_t*)0x203f3fdd = 0x14;
    *(uint8_t*)0x203f3fde = 0;
    *(uint8_t*)0x203f3fdf = 0;
    *(uint8_t*)0x203f3fe0 = 0;
    *(uint16_t*)0x203f3fe1 = htobe16(0x800);
    STORE_BY_BITMASK(uint8_t, 0x203f3fe3, 5, 0, 4);
    STORE_BY_BITMASK(uint8_t, 0x203f3fe3, 4, 4, 4);
    STORE_BY_BITMASK(uint8_t, 0x203f3fe4, 0, 0, 2);
    STORE_BY_BITMASK(uint8_t, 0x203f3fe4, 0, 2, 6);
    *(uint16_t*)0x203f3fe5 = htobe16(0x1c);
    *(uint16_t*)0x203f3fe7 = htobe16(0);
    *(uint16_t*)0x203f3fe9 = htobe16(0);
    *(uint8_t*)0x203f3feb = 0;
    *(uint8_t*)0x203f3fec = 0x11;
    *(uint16_t*)0x203f3fed = htobe16(0);
    *(uint32_t*)0x203f3fef = htobe32(0);
    *(uint32_t*)0x203f3ff3 = htobe32(0xe0000001);
    *(uint16_t*)0x203f3ff7 = htobe16(0);
    *(uint16_t*)0x203f3ff9 = htobe16(0x4e21);
    *(uint16_t*)0x203f3ffb = htobe16(8);
    *(uint16_t*)0x203f3ffd = htobe16(0);
    struct csum_inet csum_1;
    csum_inet_init(&csum_1);
    csum_inet_update(&csum_1, (const uint8_t*)0x0, 4);
    csum_inet_update(&csum_1, (const uint8_t*)0x0, 4);
    uint16_t csum_1_chunk_2 = 0x1100;
    csum_inet_update(&csum_1, (const uint8_t*)&csum_1_chunk_2, 2);
    uint16_t csum_1_chunk_3 = 0x800;
    csum_inet_update(&csum_1, (const uint8_t*)&csum_1_chunk_3, 2);
    csum_inet_update(&csum_1, (const uint8_t*)0x0, 8);
    *(uint16_t*)0x203f3ffd = csum_inet_digest(&csum_1);
    struct csum_inet csum_2;
    csum_inet_init(&csum_2);
    csum_inet_update(&csum_2, (const uint8_t*)0x203f3fe3, 20);
    *(uint16_t*)0x203f3fed = csum_inet_digest(&csum_2);
    break;
  case 55:
    res = syscall(__NR_socket, 0x40000000015, 5, 0);
    if (res != -1)
      r[15] = res;
    break;
  case 56:
    *(uint16_t*)0x20000100 = 0x18;
    *(uint32_t*)0x20000102 = 2;
    *(uint16_t*)0x20000106 = htobe16(0);
    *(uint32_t*)0x2000010a = htobe32(0xe0000002);
    syscall(__NR_recvfrom, r[15], 0x20000040, 0x8d, 0, 0x20000100, 0x709000);
    break;
  case 57:
    res = syscall(__NR_gettid);
    if (res != -1)
      r[16] = res;
    break;
  case 58:
    *(uint64_t*)0x20044000 = 0;
    *(uint32_t*)0x20044008 = 0x12;
    *(uint32_t*)0x2004400c = 0;
    *(uint32_t*)0x20044010 = 0;
    syscall(__NR_timer_create, 0, 0x20044000, 0x20000040);
    break;
  case 59:
    *(uint64_t*)0x20000080 = 0;
    *(uint64_t*)0x20000088 = 0x989680;
    *(uint64_t*)0x20000090 = 0;
    *(uint64_t*)0x20000098 = 9;
    syscall(__NR_timer_settime, 0, 0, 0x20000080, 0x20040000);
    break;
  case 60:
    syscall(__NR_tkill, r[16], 0x13);
    break;
  case 61:
    *(uint16_t*)0x20000000 = 2;
    *(uint16_t*)0x20000002 = htobe16(0);
    *(uint32_t*)0x20000004 = htobe32(0x7f000001);
    *(uint8_t*)0x20000008 = 0;
    *(uint8_t*)0x20000009 = 0;
    *(uint8_t*)0x2000000a = 0;
    *(uint8_t*)0x2000000b = 0;
    *(uint8_t*)0x2000000c = 0;
    *(uint8_t*)0x2000000d = 0;
    *(uint8_t*)0x2000000e = 0;
    *(uint8_t*)0x2000000f = 0;
    syscall(__NR_bind, r[15], 0x20000000, 0x10);
    break;
  case 62:
    syscall(__NR_ioctl, -1, 0x8912, 0x400200);
    break;
  case 63:
    syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    break;
  case 64:
    res = syscall(__NR_socket, 0x10, 3, 0x4000000000000004);
    if (res != -1)
      r[17] = res;
    break;
  case 65:
    *(uint64_t*)0x20000240 = 0x20000080;
    *(uint64_t*)0x20000248 = 0;
    syscall(__NR_writev, r[17], 0x20000240, 1);
    break;
  case 66:
    memcpy((void*)0x200000c0, "/dev/video#", 12);
    syz_open_dev(0x200000c0, 3, 0);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}