// https://syzkaller.appspot.com/bug?id=47ca2ff42f9c5d5d353149ecc97f29de7828bbfd
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/vhci.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <pwd.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef SYS_dup3
#define SYS_dup3 454
#endif
#ifndef SYS_fchownat
#define SYS_fchownat 464
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_openat
#define SYS_openat 468
#endif
#ifndef SYS_semctl
#define SYS_semctl 442
#endif
#ifndef SYS_semget
#define SYS_semget 221
#endif

static unsigned long long procid;

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

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);
}

typedef struct {
  pthread_mutex_t mu;
  pthread_cond_t cv;
  int state;
} event_t;

static void event_init(event_t* ev)
{
  if (pthread_mutex_init(&ev->mu, 0))
    exit(1);
  if (pthread_cond_init(&ev->cv, 0))
    exit(1);
  ev->state = 0;
}

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

static void event_set(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  if (ev->state)
    exit(1);
  ev->state = 1;
  pthread_mutex_unlock(&ev->mu);
  pthread_cond_broadcast(&ev->cv);
}

static void event_wait(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  while (!ev->state)
    pthread_cond_wait(&ev->cv, &ev->mu);
  pthread_mutex_unlock(&ev->mu);
}

static int event_isset(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  int res = ev->state;
  pthread_mutex_unlock(&ev->mu);
  return res;
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  pthread_mutex_lock(&ev->mu);
  for (;;) {
    if (ev->state)
      break;
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    pthread_cond_timedwait(&ev->cv, &ev->mu, &ts);
    now = current_time_ms();
    if (now - start > timeout)
      break;
  }
  int res = ev->state;
  pthread_mutex_unlock(&ev->mu);
  return res;
}

#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))))

struct usb_endpoint_descriptor {
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint8_t bEndpointAddress;
  uint8_t bmAttributes;
  uint16_t wMaxPacketSize;
  uint8_t bInterval;
  uint8_t bRefresh;
  uint8_t bSynchAddress;
} __attribute__((packed));

struct usb_device_descriptor {
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint16_t bcdUSB;
  uint8_t bDeviceClass;
  uint8_t bDeviceSubClass;
  uint8_t bDeviceProtocol;
  uint8_t bMaxPacketSize0;
  uint16_t idVendor;
  uint16_t idProduct;
  uint16_t bcdDevice;
  uint8_t iManufacturer;
  uint8_t iProduct;
  uint8_t iSerialNumber;
  uint8_t bNumConfigurations;
} __attribute__((packed));

struct usb_config_descriptor {
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint16_t wTotalLength;
  uint8_t bNumInterfaces;
  uint8_t bConfigurationValue;
  uint8_t iConfiguration;
  uint8_t bmAttributes;
  uint8_t bMaxPower;
} __attribute__((packed));

struct usb_interface_descriptor {
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint8_t bInterfaceNumber;
  uint8_t bAlternateSetting;
  uint8_t bNumEndpoints;
  uint8_t bInterfaceClass;
  uint8_t bInterfaceSubClass;
  uint8_t bInterfaceProtocol;
  uint8_t iInterface;
} __attribute__((packed));

struct usb_ctrlrequest {
  uint8_t bRequestType;
  uint8_t bRequest;
  uint16_t wValue;
  uint16_t wIndex;
  uint16_t wLength;
} __attribute__((packed));

struct usb_qualifier_descriptor {
  uint8_t bLength;
  uint8_t bDescriptorType;
  uint16_t bcdUSB;
  uint8_t bDeviceClass;
  uint8_t bDeviceSubClass;
  uint8_t bDeviceProtocol;
  uint8_t bMaxPacketSize0;
  uint8_t bNumConfigurations;
  uint8_t bRESERVED;
} __attribute__((packed));

#define USB_TYPE_MASK (0x03 << 5)
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)

#define USB_DT_DEVICE 0x01
#define USB_DT_CONFIG 0x02
#define USB_DT_STRING 0x03
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
#define USB_DT_DEVICE_QUALIFIER 0x06
#define USB_DT_OTHER_SPEED_CONFIG 0x07
#define USB_DT_INTERFACE_POWER 0x08
#define USB_DT_OTG 0x09
#define USB_DT_DEBUG 0x0a
#define USB_DT_INTERFACE_ASSOCIATION 0x0b
#define USB_DT_SECURITY 0x0c
#define USB_DT_KEY 0x0d
#define USB_DT_ENCRYPTION_TYPE 0x0e
#define USB_DT_BOS 0x0f
#define USB_DT_DEVICE_CAPABILITY 0x10
#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11
#define USB_DT_WIRE_ADAPTER 0x21
#define USB_DT_RPIPE 0x22
#define USB_DT_CS_RADIO_CONTROL 0x23
#define USB_DT_PIPE_USAGE 0x24
#define USB_DT_SS_ENDPOINT_COMP 0x30
#define USB_DT_SSP_ISOC_ENDPOINT_COMP 0x31

#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03
#define USB_REQ_SET_ADDRESS 0x05
#define USB_REQ_GET_DESCRIPTOR 0x06
#define USB_REQ_SET_DESCRIPTOR 0x07
#define USB_REQ_GET_CONFIGURATION 0x08
#define USB_REQ_SET_CONFIGURATION 0x09
#define USB_REQ_GET_INTERFACE 0x0A
#define USB_REQ_SET_INTERFACE 0x0B
#define USB_REQ_SYNCH_FRAME 0x0C
#define USB_REQ_SET_SEL 0x30
#define USB_REQ_SET_ISOCH_DELAY 0x31

#define USB_REQ_SET_ENCRYPTION 0x0D
#define USB_REQ_GET_ENCRYPTION 0x0E
#define USB_REQ_RPIPE_ABORT 0x0E
#define USB_REQ_SET_HANDSHAKE 0x0F
#define USB_REQ_RPIPE_RESET 0x0F
#define USB_REQ_GET_HANDSHAKE 0x10
#define USB_REQ_SET_CONNECTION 0x11
#define USB_REQ_SET_SECURITY_DATA 0x12
#define USB_REQ_GET_SECURITY_DATA 0x13
#define USB_REQ_SET_WUSB_DATA 0x14
#define USB_REQ_LOOPBACK_DATA_WRITE 0x15
#define USB_REQ_LOOPBACK_DATA_READ 0x16
#define USB_REQ_SET_INTERFACE_DS 0x17

#define USB_REQ_GET_PARTNER_PDO 20
#define USB_REQ_GET_BATTERY_STATUS 21
#define USB_REQ_SET_PDO 22
#define USB_REQ_GET_VDM 23
#define USB_REQ_SEND_VDM 24

#define USB_MAX_IFACE_NUM 4
#define USB_MAX_EP_NUM 32
#define USB_MAX_FDS 6

struct usb_endpoint_index {
  struct usb_endpoint_descriptor desc;
  int handle;
};

struct usb_iface_index {
  struct usb_interface_descriptor* iface;
  uint8_t bInterfaceNumber;
  uint8_t bAlternateSetting;
  uint8_t bInterfaceClass;
  struct usb_endpoint_index eps[USB_MAX_EP_NUM];
  int eps_num;
};

struct usb_device_index {
  struct usb_device_descriptor* dev;
  struct usb_config_descriptor* config;
  uint8_t bDeviceClass;
  uint8_t bMaxPower;
  int config_length;
  struct usb_iface_index ifaces[USB_MAX_IFACE_NUM];
  int ifaces_num;
  int iface_cur;
};

struct usb_info {
  int fd;
  struct usb_device_index index;
};

static struct usb_info usb_devices[USB_MAX_FDS];
static int usb_devices_num;

static bool parse_usb_descriptor(const char* buffer, size_t length,
                                 struct usb_device_index* index)
{
  if (length < sizeof(*index->dev) + sizeof(*index->config))
    return false;
  memset(index, 0, sizeof(*index));
  index->dev = (struct usb_device_descriptor*)buffer;
  index->config = (struct usb_config_descriptor*)(buffer + sizeof(*index->dev));
  index->bDeviceClass = index->dev->bDeviceClass;
  index->bMaxPower = index->config->bMaxPower;
  index->config_length = length - sizeof(*index->dev);
  index->iface_cur = -1;
  size_t offset = 0;
  while (true) {
    if (offset + 1 >= length)
      break;
    uint8_t desc_length = buffer[offset];
    uint8_t desc_type = buffer[offset + 1];
    if (desc_length <= 2)
      break;
    if (offset + desc_length > length)
      break;
    if (desc_type == USB_DT_INTERFACE &&
        index->ifaces_num < USB_MAX_IFACE_NUM) {
      struct usb_interface_descriptor* iface =
          (struct usb_interface_descriptor*)(buffer + offset);
      index->ifaces[index->ifaces_num].iface = iface;
      index->ifaces[index->ifaces_num].bInterfaceNumber =
          iface->bInterfaceNumber;
      index->ifaces[index->ifaces_num].bAlternateSetting =
          iface->bAlternateSetting;
      index->ifaces[index->ifaces_num].bInterfaceClass = iface->bInterfaceClass;
      index->ifaces_num++;
    }
    if (desc_type == USB_DT_ENDPOINT && index->ifaces_num > 0) {
      struct usb_iface_index* iface = &index->ifaces[index->ifaces_num - 1];
      if (iface->eps_num < USB_MAX_EP_NUM) {
        memcpy(&iface->eps[iface->eps_num].desc, buffer + offset,
               sizeof(iface->eps[iface->eps_num].desc));
        iface->eps_num++;
      }
    }
    offset += desc_length;
  }
  return true;
}

static struct usb_device_index* add_usb_index(int fd, const char* dev,
                                              size_t dev_len)
{
  int i = __atomic_fetch_add(&usb_devices_num, 1, __ATOMIC_RELAXED);
  if (i >= USB_MAX_FDS)
    return NULL;
  if (!parse_usb_descriptor(dev, dev_len, &usb_devices[i].index))
    return NULL;
  __atomic_store_n(&usb_devices[i].fd, fd, __ATOMIC_RELEASE);
  return &usb_devices[i].index;
}

static struct usb_device_index* lookup_usb_index(int fd)
{
  for (int i = 0; i < USB_MAX_FDS; i++) {
    if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd)
      return &usb_devices[i].index;
  }
  return NULL;
}

struct vusb_connect_string_descriptor {
  uint32_t len;
  char* str;
} __attribute__((packed));

struct vusb_connect_descriptors {
  uint32_t qual_len;
  char* qual;
  uint32_t bos_len;
  char* bos;
  uint32_t strs_len;
  struct vusb_connect_string_descriptor strs[0];
} __attribute__((packed));

static const char default_string[] = {8, USB_DT_STRING, 's', 0, 'y', 0, 'z', 0};

static const char default_lang_id[] = {4, USB_DT_STRING, 0x09, 0x04};

static bool
lookup_connect_response_in(int fd, const struct vusb_connect_descriptors* descs,
                           const struct usb_ctrlrequest* ctrl,
                           char** response_data, uint32_t* response_length)
{
  struct usb_device_index* index = lookup_usb_index(fd);
  uint8_t str_idx;
  if (!index)
    return false;
  switch (ctrl->bRequestType & USB_TYPE_MASK) {
  case USB_TYPE_STANDARD:
    switch (ctrl->bRequest) {
    case USB_REQ_GET_DESCRIPTOR:
      switch (ctrl->wValue >> 8) {
      case USB_DT_DEVICE:
        *response_data = (char*)index->dev;
        *response_length = sizeof(*index->dev);
        return true;
      case USB_DT_CONFIG:
        *response_data = (char*)index->config;
        *response_length = index->config_length;
        return true;
      case USB_DT_STRING:
        str_idx = (uint8_t)ctrl->wValue;
        if (descs && str_idx < descs->strs_len) {
          *response_data = descs->strs[str_idx].str;
          *response_length = descs->strs[str_idx].len;
          return true;
        }
        if (str_idx == 0) {
          *response_data = (char*)&default_lang_id[0];
          *response_length = default_lang_id[0];
          return true;
        }
        *response_data = (char*)&default_string[0];
        *response_length = default_string[0];
        return true;
      case USB_DT_BOS:
        *response_data = descs->bos;
        *response_length = descs->bos_len;
        return true;
      case USB_DT_DEVICE_QUALIFIER:
        if (!descs->qual) {
          struct usb_qualifier_descriptor* qual =
              (struct usb_qualifier_descriptor*)response_data;
          qual->bLength = sizeof(*qual);
          qual->bDescriptorType = USB_DT_DEVICE_QUALIFIER;
          qual->bcdUSB = index->dev->bcdUSB;
          qual->bDeviceClass = index->dev->bDeviceClass;
          qual->bDeviceSubClass = index->dev->bDeviceSubClass;
          qual->bDeviceProtocol = index->dev->bDeviceProtocol;
          qual->bMaxPacketSize0 = index->dev->bMaxPacketSize0;
          qual->bNumConfigurations = index->dev->bNumConfigurations;
          qual->bRESERVED = 0;
          *response_length = sizeof(*qual);
          return true;
        }
        *response_data = descs->qual;
        *response_length = descs->qual_len;
        return true;
      default:
        break;
      }
      break;
    default:
      break;
    }
    break;
  default:
    break;
  }
  return false;
}

typedef bool (*lookup_connect_out_response_t)(
    int fd, const struct vusb_connect_descriptors* descs,
    const struct usb_ctrlrequest* ctrl, bool* done);

static bool lookup_connect_response_out_generic(
    int fd, const struct vusb_connect_descriptors* descs,
    const struct usb_ctrlrequest* ctrl, bool* done)
{
  switch (ctrl->bRequestType & USB_TYPE_MASK) {
  case USB_TYPE_STANDARD:
    switch (ctrl->bRequest) {
    case USB_REQ_SET_CONFIGURATION:
      *done = true;
      return true;
    default:
      break;
    }
    break;
  }
  return false;
}

static int vhci_open(void)
{
  char path[1024];
  snprintf(path, sizeof(path), "/dev/vhci%llu", procid);
  return open(path, O_RDWR);
}

static int vhci_setport(int fd, u_int port)
{
  struct vhci_ioc_set_port args;
  args.port = port;
  return ioctl(fd, VHCI_IOC_SET_PORT, &args);
}

static int vhci_usb_attach(int fd)
{
  return ioctl(fd, VHCI_IOC_USB_ATTACH, NULL);
}

static int vhci_usb_recv(int fd, void* buf, size_t size)
{
  uint8_t* ptr = (uint8_t*)buf;
  while (1) {
    ssize_t done = read(fd, ptr, size);
    if (done < 0)
      return -1;
    if ((size_t)done == size)
      return 0;
    size -= done;
    ptr += done;
  }
}

static int vhci_usb_send(int fd, void* buf, size_t size)
{
  uint8_t* ptr = (uint8_t*)buf;
  while (1) {
    ssize_t done = write(fd, ptr, size);
    if (done <= 0)
      return -1;
    if ((size_t)done == size)
      return 0;
    size -= done;
    ptr += done;
  }
}

static volatile long
syz_usb_connect_impl(int fd, uint64_t speed, uint64_t dev_len, const char* dev,
                     const struct vusb_connect_descriptors* descs,
                     lookup_connect_out_response_t lookup_connect_response_out)
{
  struct usb_device_index* index = add_usb_index(fd, dev, dev_len);
  if (!index) {
    return -1;
  }
  if (vhci_setport(fd, 1))
    exit(1);
  if (vhci_usb_attach(fd)) {
    return -1;
  }
  bool done = false;
  while (!done) {
    vhci_request_t req;
    if (vhci_usb_recv(fd, &req, sizeof(req))) {
      return -1;
    }
    if (req.type != VHCI_REQ_CTRL) {
      return -1;
    }
    char* response_data = NULL;
    uint32_t response_length = 0;
    char data[4096];
    if (req.u.ctrl.bmRequestType & UE_DIR_IN) {
      if (!lookup_connect_response_in(
              fd, descs, (const struct usb_ctrlrequest*)&req.u.ctrl,
              &response_data, &response_length)) {
        return -1;
      }
    } else {
      if (!lookup_connect_response_out(
              fd, descs, (const struct usb_ctrlrequest*)&req.u.ctrl, &done)) {
        return -1;
      }
      response_data = NULL;
      response_length = UGETW(req.u.ctrl.wLength);
    }
    if ((req.u.ctrl.bmRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD &&
        req.u.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) {
    }
    if (response_length > sizeof(data))
      response_length = 0;
    if ((uint32_t)UGETW(req.u.ctrl.wLength) < response_length)
      response_length = UGETW(req.u.ctrl.wLength);
    if (response_data)
      memcpy(data, response_data, response_length);
    else
      memset(data, 0, response_length);
    int rv = 0;
    if (req.u.ctrl.bmRequestType & UE_DIR_IN) {
      if (response_length > 0) {
        vhci_response_t res;
        res.size = response_length;
        rv = vhci_usb_send(fd, &res, sizeof(res));
        if (rv == 0)
          rv = vhci_usb_send(fd, data, response_length);
      }
    } else {
      rv = vhci_usb_recv(fd, data, response_length);
    }
    if (rv < 0) {
      return -1;
    }
  }
  sleep_ms(200);
  return fd;
}

static volatile long syz_usb_connect(volatile long a0, volatile long a1,
                                     volatile long a2, volatile long a3)
{
  uint64_t speed = a0;
  uint64_t dev_len = a1;
  const char* dev = (const char*)a2;
  const struct vusb_connect_descriptors* descs =
      (const struct vusb_connect_descriptors*)a3;
  if (!dev) {
    return -1;
  }
  int fd = vhci_open();
  if (fd < 0)
    exit(1);
  long res = syz_usb_connect_impl(fd, speed, dev_len, dev, descs,
                                  &lookup_connect_response_out_generic);
  close(fd);
  return res;
}

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 < 8; 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);
      if (call == 1 || call == 2 || call == 3)
        break;
      event_timedwait(&th->done, 50 + (call == 0 ? 3000 : 0) +
                                     (call == 1 ? 3000 : 0) +
                                     (call == 3 ? 3000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execute_one();
      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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0x0};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(*(uint8_t*)0x20000000 = 0x12);
    NONFAILING(*(uint8_t*)0x20000001 = 1);
    NONFAILING(*(uint16_t*)0x20000002 = 0x300);
    NONFAILING(*(uint8_t*)0x20000004 = 0);
    NONFAILING(*(uint8_t*)0x20000005 = 0);
    NONFAILING(*(uint8_t*)0x20000006 = 0);
    NONFAILING(*(uint8_t*)0x20000007 = -1);
    NONFAILING(*(uint16_t*)0x20000008 = 0);
    NONFAILING(*(uint16_t*)0x2000000a = 0);
    NONFAILING(*(uint16_t*)0x2000000c = 0x40);
    NONFAILING(*(uint8_t*)0x2000000e = 1);
    NONFAILING(*(uint8_t*)0x2000000f = 2);
    NONFAILING(*(uint8_t*)0x20000010 = 3);
    NONFAILING(*(uint8_t*)0x20000011 = 1);
    NONFAILING(*(uint8_t*)0x20000012 = 9);
    NONFAILING(*(uint8_t*)0x20000013 = 2);
    NONFAILING(*(uint16_t*)0x20000014 = 0x2d);
    NONFAILING(*(uint8_t*)0x20000016 = 1);
    NONFAILING(*(uint8_t*)0x20000017 = 1);
    NONFAILING(*(uint8_t*)0x20000018 = 0x40);
    NONFAILING(*(uint8_t*)0x20000019 = 0x40);
    NONFAILING(*(uint8_t*)0x2000001a = 0x82);
    NONFAILING(*(uint8_t*)0x2000001b = 9);
    NONFAILING(*(uint8_t*)0x2000001c = 4);
    NONFAILING(*(uint8_t*)0x2000001d = 0);
    NONFAILING(*(uint8_t*)0x2000001e = 3);
    NONFAILING(*(uint8_t*)0x2000001f = 1);
    NONFAILING(*(uint8_t*)0x20000020 = 3);
    NONFAILING(*(uint8_t*)0x20000021 = 1);
    NONFAILING(*(uint8_t*)0x20000022 = 2);
    NONFAILING(*(uint8_t*)0x20000023 = 0x7f);
    NONFAILING(*(uint8_t*)0x20000024 = 9);
    NONFAILING(*(uint8_t*)0x20000025 = 0x21);
    NONFAILING(*(uint16_t*)0x20000026 = 1);
    NONFAILING(*(uint8_t*)0x20000028 = 8);
    NONFAILING(*(uint8_t*)0x20000029 = 1);
    NONFAILING(*(uint8_t*)0x2000002a = 0x22);
    NONFAILING(*(uint16_t*)0x2000002b = 0x29b);
    NONFAILING(*(uint8_t*)0x2000002d = 9);
    NONFAILING(*(uint8_t*)0x2000002e = 5);
    NONFAILING(*(uint8_t*)0x2000002f = 0x81);
    NONFAILING(*(uint8_t*)0x20000030 = 3);
    NONFAILING(*(uint16_t*)0x20000031 = 8);
    NONFAILING(*(uint8_t*)0x20000033 = 0xb3);
    NONFAILING(*(uint8_t*)0x20000034 = 5);
    NONFAILING(*(uint8_t*)0x20000035 = 0x6c);
    NONFAILING(*(uint8_t*)0x20000036 = 9);
    NONFAILING(*(uint8_t*)0x20000037 = 5);
    NONFAILING(*(uint8_t*)0x20000038 = 2);
    NONFAILING(*(uint8_t*)0x20000039 = 3);
    NONFAILING(*(uint16_t*)0x2000003a = 0x40);
    NONFAILING(*(uint8_t*)0x2000003c = 0xc1);
    NONFAILING(*(uint8_t*)0x2000003d = 0x81);
    NONFAILING(*(uint8_t*)0x2000003e = 8);
    res = -1;
    NONFAILING(res = syz_usb_connect(3, 0x3f, 0x20000000, 0));
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    NONFAILING(*(uint8_t*)0x200005c0 = 0x12);
    NONFAILING(*(uint8_t*)0x200005c1 = 1);
    NONFAILING(*(uint16_t*)0x200005c2 = 0x300);
    NONFAILING(*(uint8_t*)0x200005c4 = 2);
    NONFAILING(*(uint8_t*)0x200005c5 = 0);
    NONFAILING(*(uint8_t*)0x200005c6 = 0);
    NONFAILING(*(uint8_t*)0x200005c7 = -1);
    NONFAILING(*(uint16_t*)0x200005c8 = 0x525);
    NONFAILING(*(uint16_t*)0x200005ca = 0xa4a1);
    NONFAILING(*(uint16_t*)0x200005cc = 0x40);
    NONFAILING(*(uint8_t*)0x200005ce = 1);
    NONFAILING(*(uint8_t*)0x200005cf = 2);
    NONFAILING(*(uint8_t*)0x200005d0 = 3);
    NONFAILING(*(uint8_t*)0x200005d1 = 1);
    NONFAILING(*(uint8_t*)0x200005d2 = 9);
    NONFAILING(*(uint8_t*)0x200005d3 = 2);
    NONFAILING(*(uint16_t*)0x200005d4 = 0x5c);
    NONFAILING(*(uint8_t*)0x200005d6 = 2);
    NONFAILING(*(uint8_t*)0x200005d7 = 1);
    NONFAILING(*(uint8_t*)0x200005d8 = 0x80);
    NONFAILING(*(uint8_t*)0x200005d9 = 0);
    NONFAILING(*(uint8_t*)0x200005da = 0x3f);
    NONFAILING(*(uint8_t*)0x200005db = 9);
    NONFAILING(*(uint8_t*)0x200005dc = 4);
    NONFAILING(*(uint8_t*)0x200005dd = 0);
    NONFAILING(*(uint8_t*)0x200005de = 0);
    NONFAILING(*(uint8_t*)0x200005df = 1);
    NONFAILING(*(uint8_t*)0x200005e0 = 2);
    NONFAILING(*(uint8_t*)0x200005e1 = 0xd);
    NONFAILING(*(uint8_t*)0x200005e2 = 0);
    NONFAILING(*(uint8_t*)0x200005e3 = 0);
    NONFAILING(*(uint8_t*)0x200005e4 = 5);
    NONFAILING(*(uint8_t*)0x200005e5 = 0x24);
    NONFAILING(*(uint8_t*)0x200005e6 = 6);
    NONFAILING(*(uint8_t*)0x200005e7 = 0);
    NONFAILING(*(uint8_t*)0x200005e8 = 1);
    NONFAILING(*(uint8_t*)0x200005e9 = 5);
    NONFAILING(*(uint8_t*)0x200005ea = 0x24);
    NONFAILING(*(uint8_t*)0x200005eb = 0);
    NONFAILING(*(uint16_t*)0x200005ec = 3);
    NONFAILING(*(uint8_t*)0x200005ee = 0xd);
    NONFAILING(*(uint8_t*)0x200005ef = 0x24);
    NONFAILING(*(uint8_t*)0x200005f0 = 0xf);
    NONFAILING(*(uint8_t*)0x200005f1 = 1);
    NONFAILING(*(uint32_t*)0x200005f2 = 1);
    NONFAILING(*(uint16_t*)0x200005f6 = 3);
    NONFAILING(*(uint16_t*)0x200005f8 = 0);
    NONFAILING(*(uint8_t*)0x200005fa = 4);
    NONFAILING(*(uint8_t*)0x200005fb = 6);
    NONFAILING(*(uint8_t*)0x200005fc = 0x24);
    NONFAILING(*(uint8_t*)0x200005fd = 0x1a);
    NONFAILING(*(uint16_t*)0x200005fe = 0x7fff);
    NONFAILING(*(uint8_t*)0x20000600 = 0x2a);
    NONFAILING(*(uint8_t*)0x20000601 = 9);
    NONFAILING(*(uint8_t*)0x20000602 = 5);
    NONFAILING(*(uint8_t*)0x20000603 = 0x81);
    NONFAILING(*(uint8_t*)0x20000604 = 3);
    NONFAILING(*(uint16_t*)0x20000605 = 0x20);
    NONFAILING(*(uint8_t*)0x20000607 = 0x1f);
    NONFAILING(*(uint8_t*)0x20000608 = 8);
    NONFAILING(*(uint8_t*)0x20000609 = 0x80);
    NONFAILING(*(uint8_t*)0x2000060a = 9);
    NONFAILING(*(uint8_t*)0x2000060b = 4);
    NONFAILING(*(uint8_t*)0x2000060c = 1);
    NONFAILING(*(uint8_t*)0x2000060d = 0);
    NONFAILING(*(uint8_t*)0x2000060e = 0);
    NONFAILING(*(uint8_t*)0x2000060f = 2);
    NONFAILING(*(uint8_t*)0x20000610 = 0xd);
    NONFAILING(*(uint8_t*)0x20000611 = 0);
    NONFAILING(*(uint8_t*)0x20000612 = 0);
    NONFAILING(*(uint8_t*)0x20000613 = 9);
    NONFAILING(*(uint8_t*)0x20000614 = 4);
    NONFAILING(*(uint8_t*)0x20000615 = 1);
    NONFAILING(*(uint8_t*)0x20000616 = 1);
    NONFAILING(*(uint8_t*)0x20000617 = 2);
    NONFAILING(*(uint8_t*)0x20000618 = 2);
    NONFAILING(*(uint8_t*)0x20000619 = 0xd);
    NONFAILING(*(uint8_t*)0x2000061a = 0);
    NONFAILING(*(uint8_t*)0x2000061b = 0);
    NONFAILING(*(uint8_t*)0x2000061c = 9);
    NONFAILING(*(uint8_t*)0x2000061d = 5);
    NONFAILING(*(uint8_t*)0x2000061e = 0x82);
    NONFAILING(*(uint8_t*)0x2000061f = 2);
    NONFAILING(*(uint16_t*)0x20000620 = 0x20);
    NONFAILING(*(uint8_t*)0x20000622 = 7);
    NONFAILING(*(uint8_t*)0x20000623 = 0x81);
    NONFAILING(*(uint8_t*)0x20000624 = 5);
    NONFAILING(*(uint8_t*)0x20000625 = 9);
    NONFAILING(*(uint8_t*)0x20000626 = 5);
    NONFAILING(*(uint8_t*)0x20000627 = 3);
    NONFAILING(*(uint8_t*)0x20000628 = 2);
    NONFAILING(*(uint16_t*)0x20000629 = 8);
    NONFAILING(*(uint8_t*)0x2000062b = 9);
    NONFAILING(*(uint8_t*)0x2000062c = 0x78);
    NONFAILING(*(uint8_t*)0x2000062d = 7);
    NONFAILING(syz_usb_connect(6, 0x6e, 0x200005c0, 0));
    break;
  case 2:
    syscall(SYS_openat, -1, 0ul, 0x200000ul, 0x10ul);
    break;
  case 3:
    NONFAILING(*(uint8_t*)0x20000b80 = 0x12);
    NONFAILING(*(uint8_t*)0x20000b81 = 1);
    NONFAILING(*(uint16_t*)0x20000b82 = 0x240);
    NONFAILING(*(uint8_t*)0x20000b84 = 0);
    NONFAILING(*(uint8_t*)0x20000b85 = 0);
    NONFAILING(*(uint8_t*)0x20000b86 = 0);
    NONFAILING(*(uint8_t*)0x20000b87 = 0x10);
    NONFAILING(*(uint16_t*)0x20000b88 = 0x1d6b);
    NONFAILING(*(uint16_t*)0x20000b8a = 0x101);
    NONFAILING(*(uint16_t*)0x20000b8c = 0x40);
    NONFAILING(*(uint8_t*)0x20000b8e = 1);
    NONFAILING(*(uint8_t*)0x20000b8f = 2);
    NONFAILING(*(uint8_t*)0x20000b90 = 3);
    NONFAILING(*(uint8_t*)0x20000b91 = 1);
    NONFAILING(*(uint8_t*)0x20000b92 = 9);
    NONFAILING(*(uint8_t*)0x20000b93 = 2);
    NONFAILING(*(uint16_t*)0x20000b94 = 0xd7);
    NONFAILING(*(uint8_t*)0x20000b96 = 3);
    NONFAILING(*(uint8_t*)0x20000b97 = 1);
    NONFAILING(*(uint8_t*)0x20000b98 = 0);
    NONFAILING(*(uint8_t*)0x20000b99 = 0x80);
    NONFAILING(*(uint8_t*)0x20000b9a = 7);
    NONFAILING(*(uint8_t*)0x20000b9b = 9);
    NONFAILING(*(uint8_t*)0x20000b9c = 4);
    NONFAILING(*(uint8_t*)0x20000b9d = 0);
    NONFAILING(*(uint8_t*)0x20000b9e = 0);
    NONFAILING(*(uint8_t*)0x20000b9f = 0);
    NONFAILING(*(uint8_t*)0x20000ba0 = 1);
    NONFAILING(*(uint8_t*)0x20000ba1 = 1);
    NONFAILING(*(uint8_t*)0x20000ba2 = 0);
    NONFAILING(*(uint8_t*)0x20000ba3 = 0);
    NONFAILING(*(uint8_t*)0x20000ba4 = 0xa);
    NONFAILING(*(uint8_t*)0x20000ba5 = 0x24);
    NONFAILING(*(uint8_t*)0x20000ba6 = 1);
    NONFAILING(*(uint16_t*)0x20000ba7 = 0x4b7);
    NONFAILING(*(uint8_t*)0x20000ba9 = 6);
    NONFAILING(*(uint8_t*)0x20000baa = 2);
    NONFAILING(*(uint8_t*)0x20000bab = 1);
    NONFAILING(*(uint8_t*)0x20000bac = 2);
    NONFAILING(*(uint8_t*)0x20000bad = 0x11);
    NONFAILING(*(uint8_t*)0x20000bae = 0x24);
    NONFAILING(*(uint8_t*)0x20000baf = 6);
    NONFAILING(*(uint8_t*)0x20000bb0 = 1);
    NONFAILING(*(uint8_t*)0x20000bb1 = 1);
    NONFAILING(*(uint8_t*)0x20000bb2 = 5);
    NONFAILING(*(uint16_t*)0x20000bb3 = 0);
    NONFAILING(*(uint16_t*)0x20000bb5 = 9);
    NONFAILING(*(uint16_t*)0x20000bb7 = 3);
    NONFAILING(*(uint16_t*)0x20000bb9 = 0xa);
    NONFAILING(*(uint16_t*)0x20000bbb = 0xa);
    NONFAILING(*(uint8_t*)0x20000bbd = 4);
    NONFAILING(*(uint8_t*)0x20000bbe = 7);
    NONFAILING(*(uint8_t*)0x20000bbf = 0x24);
    NONFAILING(*(uint8_t*)0x20000bc0 = 8);
    NONFAILING(*(uint8_t*)0x20000bc1 = 6);
    NONFAILING(*(uint16_t*)0x20000bc2 = 0x101);
    NONFAILING(*(uint8_t*)0x20000bc4 = 0x35);
    NONFAILING(*(uint8_t*)0x20000bc5 = 0xb);
    NONFAILING(*(uint8_t*)0x20000bc6 = 0x24);
    NONFAILING(*(uint8_t*)0x20000bc7 = 7);
    NONFAILING(*(uint8_t*)0x20000bc8 = 5);
    NONFAILING(*(uint16_t*)0x20000bc9 = 5);
    NONFAILING(*(uint8_t*)0x20000bcb = 3);
    NONFAILING(memcpy((void*)0x20000bcc, "\x66\x3f\x03\x3a", 4));
    NONFAILING(*(uint8_t*)0x20000bd0 = 5);
    NONFAILING(*(uint8_t*)0x20000bd1 = 0x24);
    NONFAILING(*(uint8_t*)0x20000bd2 = 5);
    NONFAILING(*(uint8_t*)0x20000bd3 = 2);
    NONFAILING(*(uint8_t*)0x20000bd4 = 0x7f);
    NONFAILING(*(uint8_t*)0x20000bd5 = 9);
    NONFAILING(*(uint8_t*)0x20000bd6 = 4);
    NONFAILING(*(uint8_t*)0x20000bd7 = 1);
    NONFAILING(*(uint8_t*)0x20000bd8 = 0);
    NONFAILING(*(uint8_t*)0x20000bd9 = 0);
    NONFAILING(*(uint8_t*)0x20000bda = 1);
    NONFAILING(*(uint8_t*)0x20000bdb = 2);
    NONFAILING(*(uint8_t*)0x20000bdc = 0);
    NONFAILING(*(uint8_t*)0x20000bdd = 0);
    NONFAILING(*(uint8_t*)0x20000bde = 9);
    NONFAILING(*(uint8_t*)0x20000bdf = 4);
    NONFAILING(*(uint8_t*)0x20000be0 = 1);
    NONFAILING(*(uint8_t*)0x20000be1 = 1);
    NONFAILING(*(uint8_t*)0x20000be2 = 1);
    NONFAILING(*(uint8_t*)0x20000be3 = 1);
    NONFAILING(*(uint8_t*)0x20000be4 = 2);
    NONFAILING(*(uint8_t*)0x20000be5 = 0);
    NONFAILING(*(uint8_t*)0x20000be6 = 0);
    NONFAILING(*(uint8_t*)0x20000be7 = 7);
    NONFAILING(*(uint8_t*)0x20000be8 = 0x24);
    NONFAILING(*(uint8_t*)0x20000be9 = 1);
    NONFAILING(*(uint8_t*)0x20000bea = 2);
    NONFAILING(*(uint8_t*)0x20000beb = 0);
    NONFAILING(*(uint16_t*)0x20000bec = 1);
    NONFAILING(*(uint8_t*)0x20000bee = 9);
    NONFAILING(*(uint8_t*)0x20000bef = 0x24);
    NONFAILING(*(uint8_t*)0x20000bf0 = 2);
    NONFAILING(*(uint8_t*)0x20000bf1 = 1);
    NONFAILING(*(uint8_t*)0x20000bf2 = 5);
    NONFAILING(*(uint8_t*)0x20000bf3 = 4);
    NONFAILING(*(uint8_t*)0x20000bf4 = 0x80);
    NONFAILING(*(uint8_t*)0x20000bf5 = 0xe);
    NONFAILING(memset((void*)0x20000bf6, 90, 1));
    NONFAILING(*(uint8_t*)0x20000bf7 = 9);
    NONFAILING(*(uint8_t*)0x20000bf8 = 5);
    NONFAILING(*(uint8_t*)0x20000bf9 = 1);
    NONFAILING(*(uint8_t*)0x20000bfa = 9);
    NONFAILING(*(uint16_t*)0x20000bfb = 0x200);
    NONFAILING(*(uint8_t*)0x20000bfd = 0x19);
    NONFAILING(*(uint8_t*)0x20000bfe = 5);
    NONFAILING(*(uint8_t*)0x20000bff = 0xfe);
    NONFAILING(*(uint8_t*)0x20000c00 = 7);
    NONFAILING(*(uint8_t*)0x20000c01 = 0x25);
    NONFAILING(*(uint8_t*)0x20000c02 = 1);
    NONFAILING(*(uint8_t*)0x20000c03 = 1);
    NONFAILING(*(uint8_t*)0x20000c04 = 0xd7);
    NONFAILING(*(uint16_t*)0x20000c05 = 0x545e);
    NONFAILING(*(uint8_t*)0x20000c07 = 9);
    NONFAILING(*(uint8_t*)0x20000c08 = 4);
    NONFAILING(*(uint8_t*)0x20000c09 = 2);
    NONFAILING(*(uint8_t*)0x20000c0a = 0);
    NONFAILING(*(uint8_t*)0x20000c0b = 0);
    NONFAILING(*(uint8_t*)0x20000c0c = 1);
    NONFAILING(*(uint8_t*)0x20000c0d = 2);
    NONFAILING(*(uint8_t*)0x20000c0e = 0);
    NONFAILING(*(uint8_t*)0x20000c0f = 0);
    NONFAILING(*(uint8_t*)0x20000c10 = 9);
    NONFAILING(*(uint8_t*)0x20000c11 = 4);
    NONFAILING(*(uint8_t*)0x20000c12 = 2);
    NONFAILING(*(uint8_t*)0x20000c13 = 1);
    NONFAILING(*(uint8_t*)0x20000c14 = 1);
    NONFAILING(*(uint8_t*)0x20000c15 = 1);
    NONFAILING(*(uint8_t*)0x20000c16 = 2);
    NONFAILING(*(uint8_t*)0x20000c17 = 0);
    NONFAILING(*(uint8_t*)0x20000c18 = 0);
    NONFAILING(*(uint8_t*)0x20000c19 = 7);
    NONFAILING(*(uint8_t*)0x20000c1a = 0x24);
    NONFAILING(*(uint8_t*)0x20000c1b = 1);
    NONFAILING(*(uint8_t*)0x20000c1c = 0x3f);
    NONFAILING(*(uint8_t*)0x20000c1d = 0x24);
    NONFAILING(*(uint16_t*)0x20000c1e = 0x1000);
    NONFAILING(*(uint8_t*)0x20000c20 = 8);
    NONFAILING(*(uint8_t*)0x20000c21 = 0x24);
    NONFAILING(*(uint8_t*)0x20000c22 = 2);
    NONFAILING(*(uint8_t*)0x20000c23 = 1);
    NONFAILING(*(uint8_t*)0x20000c24 = 0xd9);
    NONFAILING(*(uint8_t*)0x20000c25 = 2);
    NONFAILING(*(uint8_t*)0x20000c26 = 2);
    NONFAILING(*(uint8_t*)0x20000c27 = 4);
    NONFAILING(*(uint8_t*)0x20000c28 = 0xf);
    NONFAILING(*(uint8_t*)0x20000c29 = 0x24);
    NONFAILING(*(uint8_t*)0x20000c2a = 2);
    NONFAILING(*(uint8_t*)0x20000c2b = 2);
    NONFAILING(*(uint16_t*)0x20000c2c = 0x81);
    NONFAILING(*(uint16_t*)0x20000c2e = 0x7fff);
    NONFAILING(*(uint8_t*)0x20000c30 = 0x1f);
    NONFAILING(memcpy((void*)0x20000c31, "\x7b\xb7\x6c\x5d\xbb\x60", 6));
    NONFAILING(*(uint8_t*)0x20000c37 = 0xd);
    NONFAILING(*(uint8_t*)0x20000c38 = 0x24);
    NONFAILING(*(uint8_t*)0x20000c39 = 2);
    NONFAILING(*(uint8_t*)0x20000c3a = 1);
    NONFAILING(*(uint8_t*)0x20000c3b = 9);
    NONFAILING(*(uint8_t*)0x20000c3c = 1);
    NONFAILING(*(uint8_t*)0x20000c3d = 1);
    NONFAILING(*(uint8_t*)0x20000c3e = 4);
    NONFAILING(memcpy((void*)0x20000c3f, "\xd6\x28", 2));
    NONFAILING(memcpy((void*)0x20000c41, "\x6c\x07\xa7", 3));
    NONFAILING(*(uint8_t*)0x20000c44 = 0xb);
    NONFAILING(*(uint8_t*)0x20000c45 = 0x24);
    NONFAILING(*(uint8_t*)0x20000c46 = 2);
    NONFAILING(*(uint8_t*)0x20000c47 = 1);
    NONFAILING(*(uint8_t*)0x20000c48 = 1);
    NONFAILING(*(uint8_t*)0x20000c49 = 2);
    NONFAILING(*(uint8_t*)0x20000c4a = 0x5b);
    NONFAILING(*(uint8_t*)0x20000c4b = 9);
    NONFAILING(memcpy((void*)0x20000c4c, "\x81\x22\x57", 3));
    NONFAILING(*(uint8_t*)0x20000c4f = 0xa);
    NONFAILING(*(uint8_t*)0x20000c50 = 0x24);
    NONFAILING(*(uint8_t*)0x20000c51 = 2);
    NONFAILING(*(uint8_t*)0x20000c52 = 1);
    NONFAILING(*(uint8_t*)0x20000c53 = 0x7f);
    NONFAILING(*(uint8_t*)0x20000c54 = 4);
    NONFAILING(*(uint8_t*)0x20000c55 = 7);
    NONFAILING(*(uint8_t*)0x20000c56 = 0x7f);
    NONFAILING(memcpy((void*)0x20000c57, "\xa8\x16", 2));
    NONFAILING(*(uint8_t*)0x20000c59 = 9);
    NONFAILING(*(uint8_t*)0x20000c5a = 5);
    NONFAILING(*(uint8_t*)0x20000c5b = 0x82);
    NONFAILING(*(uint8_t*)0x20000c5c = 9);
    NONFAILING(*(uint16_t*)0x20000c5d = 0x10);
    NONFAILING(*(uint8_t*)0x20000c5f = 8);
    NONFAILING(*(uint8_t*)0x20000c60 = 0x40);
    NONFAILING(*(uint8_t*)0x20000c61 = 0xd1);
    NONFAILING(*(uint8_t*)0x20000c62 = 7);
    NONFAILING(*(uint8_t*)0x20000c63 = 0x25);
    NONFAILING(*(uint8_t*)0x20000c64 = 1);
    NONFAILING(*(uint8_t*)0x20000c65 = 0x80);
    NONFAILING(*(uint8_t*)0x20000c66 = 0x8e);
    NONFAILING(*(uint16_t*)0x20000c67 = 0x400);
    NONFAILING(*(uint32_t*)0x20001300 = 0xa);
    NONFAILING(*(uint64_t*)0x20001304 = 0x20000c80);
    NONFAILING(*(uint8_t*)0x20000c80 = 0xa);
    NONFAILING(*(uint8_t*)0x20000c81 = 6);
    NONFAILING(*(uint16_t*)0x20000c82 = 0x310);
    NONFAILING(*(uint8_t*)0x20000c84 = 0x7f);
    NONFAILING(*(uint8_t*)0x20000c85 = 0x81);
    NONFAILING(*(uint8_t*)0x20000c86 = 0xce);
    NONFAILING(*(uint8_t*)0x20000c87 = 0x40);
    NONFAILING(*(uint8_t*)0x20000c88 = 6);
    NONFAILING(*(uint8_t*)0x20000c89 = 0);
    NONFAILING(*(uint32_t*)0x2000130c = 0x31);
    NONFAILING(*(uint64_t*)0x20001310 = 0x20000cc0);
    NONFAILING(*(uint8_t*)0x20000cc0 = 5);
    NONFAILING(*(uint8_t*)0x20000cc1 = 0xf);
    NONFAILING(*(uint16_t*)0x20000cc2 = 0x31);
    NONFAILING(*(uint8_t*)0x20000cc4 = 6);
    NONFAILING(*(uint8_t*)0x20000cc5 = 7);
    NONFAILING(*(uint8_t*)0x20000cc6 = 0x10);
    NONFAILING(*(uint8_t*)0x20000cc7 = 2);
    NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000cc8, 0x12, 0, 8));
    NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000cc9, 0, 0, 4));
    NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000cc9, 8, 4, 4));
    NONFAILING(STORE_BY_BITMASK(uint32_t, , 0x20000cca, 7, 0, 16));
    NONFAILING(*(uint8_t*)0x20000ccc = 3);
    NONFAILING(*(uint8_t*)0x20000ccd = 0x10);
    NONFAILING(*(uint8_t*)0x20000cce = 3);
    NONFAILING(*(uint8_t*)0x20000ccf = 0xa);
    NONFAILING(*(uint8_t*)0x20000cd0 = 0x10);
    NONFAILING(*(uint8_t*)0x20000cd1 = 3);
    NONFAILING(*(uint8_t*)0x20000cd2 = 0);
    NONFAILING(*(uint16_t*)0x20000cd3 = 6);
    NONFAILING(*(uint8_t*)0x20000cd5 = 1);
    NONFAILING(*(uint8_t*)0x20000cd6 = 4);
    NONFAILING(*(uint16_t*)0x20000cd7 = 3);
    NONFAILING(*(uint8_t*)0x20000cd9 = 3);
    NONFAILING(*(uint8_t*)0x20000cda = 0x10);
    NONFAILING(*(uint8_t*)0x20000cdb = 3);
    NONFAILING(*(uint8_t*)0x20000cdc = 0xa);
    NONFAILING(*(uint8_t*)0x20000cdd = 0x10);
    NONFAILING(*(uint8_t*)0x20000cde = 3);
    NONFAILING(*(uint8_t*)0x20000cdf = 0);
    NONFAILING(*(uint16_t*)0x20000ce0 = 9);
    NONFAILING(*(uint8_t*)0x20000ce2 = 6);
    NONFAILING(*(uint8_t*)0x20000ce3 = 0x20);
    NONFAILING(*(uint16_t*)0x20000ce4 = 2);
    NONFAILING(*(uint8_t*)0x20000ce6 = 0xb);
    NONFAILING(*(uint8_t*)0x20000ce7 = 0x10);
    NONFAILING(*(uint8_t*)0x20000ce8 = 1);
    NONFAILING(*(uint8_t*)0x20000ce9 = 0xc);
    NONFAILING(*(uint16_t*)0x20000cea = 0x84);
    NONFAILING(*(uint8_t*)0x20000cec = 0x35);
    NONFAILING(*(uint8_t*)0x20000ced = 7);
    NONFAILING(*(uint16_t*)0x20000cee = 0x3f);
    NONFAILING(*(uint8_t*)0x20000cf0 = 5);
    NONFAILING(*(uint32_t*)0x20001318 = 0xa);
    NONFAILING(*(uint32_t*)0x2000131c = 4);
    NONFAILING(*(uint64_t*)0x20001320 = 0x20000e40);
    NONFAILING(*(uint8_t*)0x20000e40 = 4);
    NONFAILING(*(uint8_t*)0x20000e41 = 3);
    NONFAILING(*(uint16_t*)0x20000e42 = 0x401);
    NONFAILING(*(uint32_t*)0x20001328 = 4);
    NONFAILING(*(uint64_t*)0x2000132c = 0x20000e80);
    NONFAILING(*(uint8_t*)0x20000e80 = 4);
    NONFAILING(*(uint8_t*)0x20000e81 = 3);
    NONFAILING(*(uint16_t*)0x20000e82 = 0x41e);
    NONFAILING(*(uint32_t*)0x20001334 = 4);
    NONFAILING(*(uint64_t*)0x20001338 = 0x20000ec0);
    NONFAILING(*(uint8_t*)0x20000ec0 = 4);
    NONFAILING(*(uint8_t*)0x20000ec1 = 3);
    NONFAILING(*(uint16_t*)0x20000ec2 = 0x427);
    NONFAILING(*(uint32_t*)0x20001340 = 0);
    NONFAILING(*(uint64_t*)0x20001344 = 0);
    NONFAILING(*(uint32_t*)0x2000134c = 0xcd);
    NONFAILING(*(uint64_t*)0x20001350 = 0x20000f40);
    NONFAILING(*(uint8_t*)0x20000f40 = 0xcd);
    NONFAILING(*(uint8_t*)0x20000f41 = 3);
    NONFAILING(memcpy(
        (void*)0x20000f42,
        "\x09\x75\x1d\x4f\x10\x10\xbb\x72\x23\x47\x9d\x99\x9b\xa0\xd3\x64\x81"
        "\xd5\x1d\x58\x52\x7c\xdc\x4b\x30\x52\x47\xa9\x21\xe8\xcd\xe3\x5a\x35"
        "\xa6\x29\x1f\xdc\xc3\xd2\x5a\x25\x71\x02\xfd\x46\xfd\xa3\xdb\xef\xd7"
        "\x10\x4e\x2d\x75\xa6\x83\xa5\x50\xbc\x35\x41\xdc\x59\x10\x75\x38\x81"
        "\x71\x0a\xb5\x20\xe5\xd8\x32\x08\x54\xd5\xab\xc2\x3d\x28\x79\x70\x1c"
        "\x28\x0d\xcb\xd2\x0f\x0e\xd2\xc2\x77\xbb\x60\xe9\xe2\xe9\x83\x90\x06"
        "\xc2\xdf\xac\xf5\x25\xe9\x15\x11\x7b\x89\xed\x2d\x62\xd2\x43\x1e\x63"
        "\x7e\xfc\x5e\x25\xb8\x83\x3d\x10\x28\x9d\x56\xe8\x91\x9a\x1c\x68\x39"
        "\x8b\x06\xc0\xd9\xc0\x66\x68\xdf\x7f\x53\x5a\x8c\x09\xb3\x99\xbb\x78"
        "\x89\xf4\xc4\x8d\x67\x7a\xc8\x6b\x5f\x6a\xd2\x58\xfb\x94\xf1\x74\x8e"
        "\xb6\x57\x16\xd4\x9c\xd1\x60\x82\x4d\xa1\xa7\xca\xe1\x4e\xf9\x66\xa7"
        "\xa0\x19\xcc\x10\x51\x0b\x71\x15\x4a\x30\xb8\x44\x42\x69\x61\xcf",
        203));
    NONFAILING(*(uint32_t*)0x20001358 = 2);
    NONFAILING(*(uint64_t*)0x2000135c = 0x20001040);
    NONFAILING(*(uint8_t*)0x20001040 = 2);
    NONFAILING(*(uint8_t*)0x20001041 = 3);
    NONFAILING(*(uint32_t*)0x20001364 = 0x80);
    NONFAILING(*(uint64_t*)0x20001368 = 0x200010c0);
    NONFAILING(*(uint8_t*)0x200010c0 = 0x80);
    NONFAILING(*(uint8_t*)0x200010c1 = 3);
    NONFAILING(memcpy(
        (void*)0x200010c2,
        "\xa2\x9e\x6f\x11\x76\xad\x15\x15\x57\xb4\xcb\x54\xb0\xd3\x4e\xac\xaa"
        "\xb6\x75\x92\x43\x57\xac\x82\xeb\x6a\xb1\x52\xf7\xc3\x70\xa6\x94\x64"
        "\x66\x04\xf7\x6a\x09\x7f\xd6\x16\xc7\x8b\xdd\x4b\xcf\x35\x48\x25\xc9"
        "\xb1\xc4\x4c\xf4\xb4\xa5\x00\x22\x4a\x2a\x34\x4a\x43\x67\x7e\x68\xd7"
        "\x3e\xb1\xa6\x24\x51\x9d\x14\x24\xaf\x99\x0e\x44\x68\x1c\x3b\xd8\x2e"
        "\x7a\xa0\x67\x94\x9c\x22\x97\xcf\xf0\xfb\xf1\x22\x7f\x63\x2f\x58\xe2"
        "\x92\x03\x4c\x63\x57\xab\xa7\xf4\xc7\x20\x1f\xdb\x83\x26\xf6\x7f\x79"
        "\xcf\x48\xb3\xf9\xbd\xa4\x3a",
        126));
    NONFAILING(*(uint32_t*)0x20001370 = 0);
    NONFAILING(*(uint64_t*)0x20001374 = 0);
    NONFAILING(*(uint32_t*)0x2000137c = 2);
    NONFAILING(*(uint64_t*)0x20001380 = 0x20001180);
    NONFAILING(*(uint8_t*)0x20001180 = 2);
    NONFAILING(*(uint8_t*)0x20001181 = 3);
    NONFAILING(*(uint32_t*)0x20001388 = 0);
    NONFAILING(*(uint64_t*)0x2000138c = 0);
    NONFAILING(syz_usb_connect(4, 0xe9, 0x20000b80, 0x20001300));
    break;
  case 4:
    syscall(SYS_fchownat, r[0], 0ul, 0, 0, 0x200ul);
    break;
  case 5:
    syscall(SYS_dup3, r[0], r[0], 0x1000000ul);
    break;
  case 6:
    res = syscall(SYS_semget, 0ul, 2ul, 0x204ul);
    if (res != -1)
      r[1] = res;
    break;
  case 7:
    NONFAILING(*(uint32_t*)0x20001d80 = 8);
    NONFAILING(*(uint32_t*)0x20001d84 = 0);
    NONFAILING(*(uint32_t*)0x20001d88 = 0);
    NONFAILING(*(uint32_t*)0x20001d8c = 0);
    NONFAILING(*(uint32_t*)0x20001d90 = -1);
    NONFAILING(*(uint32_t*)0x20001d94 = 0x104);
    NONFAILING(*(uint16_t*)0x20001d98 = 0xff62);
    NONFAILING(*(uint16_t*)0x20001d9a = 0);
    NONFAILING(*(uint64_t*)0x20001da0 = 0);
    NONFAILING(*(uint64_t*)0x20001da8 = 0);
    NONFAILING(*(uint64_t*)0x20001db0 = 1);
    NONFAILING(*(uint64_t*)0x20001db8 = 4);
    NONFAILING(*(uint64_t*)0x20001dc0 = 8);
    NONFAILING(*(uint64_t*)0x20001dc8 = 0);
    NONFAILING(*(uint64_t*)0x20001dd0 = 0);
    syscall(SYS_semctl, r[1], 0ul, 1ul, 0x20001d80ul);
    break;
  }
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  install_segv_handler();
  loop();
  return 0;
}