// https://syzkaller.appspot.com/bug?id=c460ff5b3449df3262fc61daa98049537831ce37
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#include <linux/usb/ch9.h>

static unsigned long long procid;

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

#define MAX_FDS 30

#define USB_MAX_IFACE_NUM 4
#define USB_MAX_EP_NUM 32

struct usb_iface_index {
  struct usb_interface_descriptor* iface;
  uint8_t bInterfaceNumber;
  uint8_t bAlternateSetting;
  uint8_t bInterfaceClass;
  struct usb_endpoint_descriptor 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;
};

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], buffer + offset,
               sizeof(iface->eps[iface->eps_num]));
        iface->eps_num++;
      }
    }
    offset += desc_length;
  }
  return true;
}

#define UDC_NAME_LENGTH_MAX 128

struct usb_raw_init {
  __u8 driver_name[UDC_NAME_LENGTH_MAX];
  __u8 device_name[UDC_NAME_LENGTH_MAX];
  __u8 speed;
};

enum usb_raw_event_type {
  USB_RAW_EVENT_INVALID = 0,
  USB_RAW_EVENT_CONNECT = 1,
  USB_RAW_EVENT_CONTROL = 2,
};

struct usb_raw_event {
  __u32 type;
  __u32 length;
  __u8 data[0];
};

struct usb_raw_ep_io {
  __u16 ep;
  __u16 flags;
  __u32 length;
  __u8 data[0];
};

#define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init)
#define USB_RAW_IOCTL_RUN _IO('U', 1)
#define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event)
#define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io)
#define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io)
#define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor)
#define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32)
#define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io)
#define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io)
#define USB_RAW_IOCTL_CONFIGURE _IO('U', 9)
#define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32)

static int usb_raw_open()
{
  return open("/dev/raw-gadget", O_RDWR);
}

static int usb_raw_init(int fd, uint32_t speed, const char* driver,
                        const char* device)
{
  struct usb_raw_init arg;
  strncpy((char*)&arg.driver_name[0], driver, sizeof(arg.driver_name));
  strncpy((char*)&arg.device_name[0], device, sizeof(arg.device_name));
  arg.speed = speed;
  return ioctl(fd, USB_RAW_IOCTL_INIT, &arg);
}

static int usb_raw_run(int fd)
{
  return ioctl(fd, USB_RAW_IOCTL_RUN, 0);
}

static int usb_raw_event_fetch(int fd, struct usb_raw_event* event)
{
  return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event);
}

static int usb_raw_ep0_write(int fd, struct usb_raw_ep_io* io)
{
  return ioctl(fd, USB_RAW_IOCTL_EP0_WRITE, io);
}

static int usb_raw_ep0_read(int fd, struct usb_raw_ep_io* io)
{
  return ioctl(fd, USB_RAW_IOCTL_EP0_READ, io);
}

static int usb_raw_ep_enable(int fd, struct usb_endpoint_descriptor* desc)
{
  return ioctl(fd, USB_RAW_IOCTL_EP_ENABLE, desc);
}

static int usb_raw_ep_disable(int fd, int ep)
{
  return ioctl(fd, USB_RAW_IOCTL_EP_DISABLE, ep);
}

static int usb_raw_configure(int fd)
{
  return ioctl(fd, USB_RAW_IOCTL_CONFIGURE, 0);
}

static int usb_raw_vbus_draw(int fd, uint32_t power)
{
  return ioctl(fd, USB_RAW_IOCTL_VBUS_DRAW, power);
}

#define MAX_USB_FDS 6

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

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

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 >= MAX_USB_FDS)
    return NULL;
  int rv = 0;
  rv = parse_usb_descriptor(dev, dev_len, &usb_devices[i].index);
  if (!rv)
    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)
{
  int i;
  for (i = 0; i < MAX_USB_FDS; i++) {
    if (__atomic_load_n(&usb_devices[i].fd, __ATOMIC_ACQUIRE) == fd) {
      return &usb_devices[i].index;
    }
  }
  return NULL;
}

static void set_interface(int fd, int n)
{
  struct usb_device_index* index = lookup_usb_index(fd);
  int ep;
  if (!index)
    return;
  if (index->iface_cur >= 0 && index->iface_cur < index->ifaces_num) {
    for (ep = 0; ep < index->ifaces[index->iface_cur].eps_num; ep++) {
      int rv = usb_raw_ep_disable(fd, ep);
      if (rv < 0) {
      } else {
      }
    }
  }
  if (n >= 0 && n < index->ifaces_num) {
    for (ep = 0; ep < index->ifaces[n].eps_num; ep++) {
      int rv = usb_raw_ep_enable(fd, &index->ifaces[n].eps[ep]);
      if (rv < 0) {
      } else {
      }
    }
    index->iface_cur = n;
  }
}

static int configure_device(int fd)
{
  struct usb_device_index* index = lookup_usb_index(fd);
  if (!index)
    return -1;
  int rv = usb_raw_vbus_draw(fd, index->bMaxPower);
  if (rv < 0) {
    return rv;
  }
  rv = usb_raw_configure(fd);
  if (rv < 0) {
    return rv;
  }
  set_interface(fd, 0);
  return 0;
}

#define USB_MAX_PACKET_SIZE 4096

struct usb_raw_control_event {
  struct usb_raw_event inner;
  struct usb_ctrlrequest ctrl;
  char data[USB_MAX_PACKET_SIZE];
};

struct usb_raw_ep_io_data {
  struct usb_raw_ep_io inner;
  char data[USB_MAX_PACKET_SIZE];
};

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;
  }
  exit(1);
  return false;
}

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;
  }
  exit(1);
  return false;
}

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

static volatile long
syz_usb_connect_impl(uint64_t speed, uint64_t dev_len, const char* dev,
                     const struct vusb_connect_descriptors* descs,
                     lookup_connect_response_t lookup_connect_response_out)
{
  if (!dev) {
    return -1;
  }
  int fd = usb_raw_open();
  if (fd < 0) {
    return fd;
  }
  if (fd >= MAX_FDS) {
    close(fd);
    return -1;
  }
  struct usb_device_index* index = add_usb_index(fd, dev, dev_len);
  if (!index) {
    return -1;
  }
  char device[32];
  sprintf(&device[0], "dummy_udc.%llu", procid);
  int rv = usb_raw_init(fd, speed, "dummy_udc", &device[0]);
  if (rv < 0) {
    return rv;
  }
  rv = usb_raw_run(fd);
  if (rv < 0) {
    return rv;
  }
  bool done = false;
  while (!done) {
    struct usb_raw_control_event event;
    event.inner.type = 0;
    event.inner.length = sizeof(event.ctrl);
    rv = usb_raw_event_fetch(fd, (struct usb_raw_event*)&event);
    if (rv < 0) {
      return rv;
    }
    if (event.inner.type != USB_RAW_EVENT_CONTROL)
      continue;
    char* response_data = NULL;
    uint32_t response_length = 0;
    if (event.ctrl.bRequestType & USB_DIR_IN) {
      bool response_found = false;
      response_found = lookup_connect_response_in(
          fd, descs, &event.ctrl, &response_data, &response_length);
      if (!response_found) {
        return -1;
      }
    } else {
      if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) {
        return -1;
      }
      response_data = NULL;
      response_length = event.ctrl.wLength;
    }
    if ((event.ctrl.bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD &&
        event.ctrl.bRequest == USB_REQ_SET_CONFIGURATION) {
      rv = configure_device(fd);
      if (rv < 0) {
        return rv;
      }
    }
    struct usb_raw_ep_io_data response;
    response.inner.ep = 0;
    response.inner.flags = 0;
    if (response_length > sizeof(response.data))
      response_length = 0;
    if (event.ctrl.wLength < response_length)
      response_length = event.ctrl.wLength;
    response.inner.length = response_length;
    if (response_data)
      memcpy(&response.data[0], response_data, response_length);
    else
      memset(&response.data[0], 0, response_length);
    if (event.ctrl.bRequestType & USB_DIR_IN) {
      rv = usb_raw_ep0_write(fd, (struct usb_raw_ep_io*)&response);
    } else {
      rv = usb_raw_ep0_read(fd, (struct usb_raw_ep_io*)&response);
    }
    if (rv < 0) {
      return rv;
    }
  }
  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;
  return syz_usb_connect_impl(speed, dev_len, dev, descs,
                              &lookup_connect_response_out_generic);
}

int main(void)
{
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0ul);

  *(uint8_t*)0x20000000 = 0x12;
  *(uint8_t*)0x20000001 = 1;
  *(uint16_t*)0x20000002 = 0x201;
  *(uint8_t*)0x20000004 = 0x29;
  *(uint8_t*)0x20000005 = 0x5e;
  *(uint8_t*)0x20000006 = 0xa0;
  *(uint8_t*)0x20000007 = 0x40;
  *(uint16_t*)0x20000008 = 0x4bb;
  *(uint16_t*)0x2000000a = 0xa0e;
  *(uint16_t*)0x2000000c = 0x7344;
  *(uint8_t*)0x2000000e = 1;
  *(uint8_t*)0x2000000f = 2;
  *(uint8_t*)0x20000010 = 3;
  *(uint8_t*)0x20000011 = 1;
  *(uint8_t*)0x20000012 = 9;
  *(uint8_t*)0x20000013 = 2;
  *(uint16_t*)0x20000014 = 0x49e;
  *(uint8_t*)0x20000016 = 4;
  *(uint8_t*)0x20000017 = 0x1f;
  *(uint8_t*)0x20000018 = 9;
  *(uint8_t*)0x20000019 = 0x20;
  *(uint8_t*)0x2000001a = 3;
  *(uint8_t*)0x2000001b = 9;
  *(uint8_t*)0x2000001c = 4;
  *(uint8_t*)0x2000001d = 0x44;
  *(uint8_t*)0x2000001e = 3;
  *(uint8_t*)0x2000001f = 0;
  *(uint8_t*)0x20000020 = 0x68;
  *(uint8_t*)0x20000021 = 0x80;
  *(uint8_t*)0x20000022 = 0xfe;
  *(uint8_t*)0x20000023 = 0xf7;
  *(uint8_t*)0x20000024 = 9;
  *(uint8_t*)0x20000025 = 4;
  *(uint8_t*)0x20000026 = 0xa3;
  *(uint8_t*)0x20000027 = 3;
  *(uint8_t*)0x20000028 = 4;
  *(uint8_t*)0x20000029 = 0xef;
  *(uint8_t*)0x2000002a = 6;
  *(uint8_t*)0x2000002b = 0xb7;
  *(uint8_t*)0x2000002c = 0x9a;
  *(uint8_t*)0x2000002d = 9;
  *(uint8_t*)0x2000002e = 5;
  *(uint8_t*)0x2000002f = 4;
  *(uint8_t*)0x20000030 = 0xc;
  *(uint16_t*)0x20000031 = 0;
  *(uint8_t*)0x20000033 = 3;
  *(uint8_t*)0x20000034 = 0;
  *(uint8_t*)0x20000035 = 2;
  *(uint8_t*)0x20000036 = 7;
  *(uint8_t*)0x20000037 = 0x25;
  *(uint8_t*)0x20000038 = 1;
  *(uint8_t*)0x20000039 = 0x83;
  *(uint8_t*)0x2000003a = 0x6a;
  *(uint16_t*)0x2000003b = 6;
  *(uint8_t*)0x2000003d = 2;
  *(uint8_t*)0x2000003e = 4;
  *(uint8_t*)0x2000003f = 9;
  *(uint8_t*)0x20000040 = 5;
  *(uint8_t*)0x20000041 = 0xe;
  *(uint8_t*)0x20000042 = 8;
  *(uint16_t*)0x20000043 = 0x10;
  *(uint8_t*)0x20000045 = 2;
  *(uint8_t*)0x20000046 = 6;
  *(uint8_t*)0x20000047 = 0x3f;
  *(uint8_t*)0x20000048 = 2;
  *(uint8_t*)0x20000049 = 0x10;
  *(uint8_t*)0x2000004a = 9;
  *(uint8_t*)0x2000004b = 5;
  *(uint8_t*)0x2000004c = 0xf;
  *(uint8_t*)0x2000004d = 0;
  *(uint16_t*)0x2000004e = 0x400;
  *(uint8_t*)0x20000050 = 0x1f;
  *(uint8_t*)0x20000051 = 0x1f;
  *(uint8_t*)0x20000052 = 1;
  *(uint8_t*)0x20000053 = 7;
  *(uint8_t*)0x20000054 = 0x25;
  *(uint8_t*)0x20000055 = 1;
  *(uint8_t*)0x20000056 = 0;
  *(uint8_t*)0x20000057 = -1;
  *(uint16_t*)0x20000058 = 5;
  *(uint8_t*)0x2000005a = 9;
  *(uint8_t*)0x2000005b = 5;
  *(uint8_t*)0x2000005c = 0xe;
  *(uint8_t*)0x2000005d = 0;
  *(uint16_t*)0x2000005e = 0x10;
  *(uint8_t*)0x20000060 = 0xb;
  *(uint8_t*)0x20000061 = 0xa3;
  *(uint8_t*)0x20000062 = 1;
  *(uint8_t*)0x20000063 = 0x86;
  *(uint8_t*)0x20000064 = 0x21;
  memcpy((void*)0x20000065,
         "\xd5\xdb\x3e\x8f\x02\xef\x1f\x08\x22\xd6\x72\x7d\xae\x82\x65\xe6\xcd"
         "\xcd\x3c\xbe\xf0\x6f\x1c\xdb\xa3\x6b\x20\x5a\xf7\x2f\x0d\x80\x95\x36"
         "\x16\xd3\xc9\x81\x35\xf3\x72\xc7\x89\x82\x73\xac\x74\xa1\x72\xa3\x41"
         "\x85\xa8\xc4\xa5\xe0\xaa\xd2\x9f\xb8\xc8\xbe\x5a\xa6\x93\x53\xc8\xbc"
         "\x39\x30\x81\xbf\x5e\x88\xd5\xf7\x81\x29\x04\x8f\x2b\xaa\x1e\x8d\xd5"
         "\xcb\x2a\x45\x7d\x80\x41\xd1\x19\x11\x5b\x6b\xb7\x38\x90\xc8\x8e\xa2"
         "\x9a\xc4\x7f\xe8\xe9\x2d\xca\x38\xe0\xc1\x29\x08\x4c\x4e\xb5\xb6\x8a"
         "\x93\x74\x32\x2f\x7c\x5e\xdf\x9f\x72\xf9\x7d\xbc\xab",
         132);
  *(uint8_t*)0x200000e9 = 2;
  *(uint8_t*)0x200000ea = 9;
  *(uint8_t*)0x200000eb = 9;
  *(uint8_t*)0x200000ec = 4;
  *(uint8_t*)0x200000ed = 0x25;
  *(uint8_t*)0x200000ee = 8;
  *(uint8_t*)0x200000ef = 0xd;
  *(uint8_t*)0x200000f0 = 0xe0;
  *(uint8_t*)0x200000f1 = 2;
  *(uint8_t*)0x200000f2 = 1;
  *(uint8_t*)0x200000f3 = 0x40;
  *(uint8_t*)0x200000f4 = 8;
  *(uint8_t*)0x200000f5 = 0x24;
  *(uint8_t*)0x200000f6 = 2;
  *(uint8_t*)0x200000f7 = 1;
  *(uint8_t*)0x200000f8 = 4;
  *(uint8_t*)0x200000f9 = 3;
  *(uint8_t*)0x200000fa = 5;
  *(uint8_t*)0x200000fb = 4;
  *(uint8_t*)0x200000fc = 8;
  *(uint8_t*)0x200000fd = 0x24;
  *(uint8_t*)0x200000fe = 2;
  *(uint8_t*)0x200000ff = 1;
  *(uint8_t*)0x20000100 = 0xf7;
  *(uint8_t*)0x20000101 = 1;
  *(uint8_t*)0x20000102 = 4;
  *(uint8_t*)0x20000103 = 0x1f;
  *(uint8_t*)0x20000104 = 7;
  *(uint8_t*)0x20000105 = 0x24;
  *(uint8_t*)0x20000106 = 1;
  *(uint8_t*)0x20000107 = 0x28;
  *(uint8_t*)0x20000108 = 5;
  *(uint16_t*)0x20000109 = 4;
  *(uint8_t*)0x2000010b = 9;
  *(uint8_t*)0x2000010c = 5;
  *(uint8_t*)0x2000010d = 8;
  *(uint8_t*)0x2000010e = 0;
  *(uint16_t*)0x2000010f = 0x10;
  *(uint8_t*)0x20000111 = 5;
  *(uint8_t*)0x20000112 = 7;
  *(uint8_t*)0x20000113 = 1;
  *(uint8_t*)0x20000114 = 0x42;
  *(uint8_t*)0x20000115 = 0xc;
  memcpy((void*)0x20000116,
         "\x95\x03\x12\x81\xea\xcd\x13\x9c\x1a\xef\x62\xd7\x0f\xc2\xd0\xb7\xa9"
         "\x14\xc8\x69\x78\x6c\xce\x8d\x99\x8e\xc8\x4d\x88\xc3\xb6\x15\x61\x53"
         "\xfb\x8b\xbc\xe3\xb9\x4f\xf2\x48\xd6\x92\x47\xbc\x2b\xa2\x23\xa8\x29"
         "\xca\xe0\xfc\xb7\x20\x62\x24\x85\x49\x9b\x74\xad\x68",
         64);
  *(uint8_t*)0x20000156 = 9;
  *(uint8_t*)0x20000157 = 5;
  *(uint8_t*)0x20000158 = 0xc;
  *(uint8_t*)0x20000159 = 0x10;
  *(uint16_t*)0x2000015a = 0x3ff;
  *(uint8_t*)0x2000015c = 0;
  *(uint8_t*)0x2000015d = 0x80;
  *(uint8_t*)0x2000015e = 6;
  *(uint8_t*)0x2000015f = 9;
  *(uint8_t*)0x20000160 = 5;
  *(uint8_t*)0x20000161 = 8;
  *(uint8_t*)0x20000162 = 0x10;
  *(uint16_t*)0x20000163 = 0x10;
  *(uint8_t*)0x20000165 = 9;
  *(uint8_t*)0x20000166 = 1;
  *(uint8_t*)0x20000167 = 0;
  *(uint8_t*)0x20000168 = 7;
  *(uint8_t*)0x20000169 = 0x25;
  *(uint8_t*)0x2000016a = 1;
  *(uint8_t*)0x2000016b = 0x80;
  *(uint8_t*)0x2000016c = 9;
  *(uint16_t*)0x2000016d = 0x800;
  *(uint8_t*)0x2000016f = 2;
  *(uint8_t*)0x20000170 = 0xe7;
  *(uint8_t*)0x20000171 = 9;
  *(uint8_t*)0x20000172 = 5;
  *(uint8_t*)0x20000173 = 1;
  *(uint8_t*)0x20000174 = 0x10;
  *(uint16_t*)0x20000175 = 0x10;
  *(uint8_t*)0x20000177 = 4;
  *(uint8_t*)0x20000178 = 0xd8;
  *(uint8_t*)0x20000179 = 1;
  *(uint8_t*)0x2000017a = 9;
  *(uint8_t*)0x2000017b = 5;
  *(uint8_t*)0x2000017c = 1;
  *(uint8_t*)0x2000017d = 1;
  *(uint16_t*)0x2000017e = 0x40;
  *(uint8_t*)0x20000180 = 0x20;
  *(uint8_t*)0x20000181 = 4;
  *(uint8_t*)0x20000182 = 4;
  *(uint8_t*)0x20000183 = 7;
  *(uint8_t*)0x20000184 = 0x25;
  *(uint8_t*)0x20000185 = 1;
  *(uint8_t*)0x20000186 = 0x82;
  *(uint8_t*)0x20000187 = 0;
  *(uint16_t*)0x20000188 = 0x81;
  *(uint8_t*)0x2000018a = 2;
  *(uint8_t*)0x2000018b = 0x24;
  *(uint8_t*)0x2000018c = 9;
  *(uint8_t*)0x2000018d = 5;
  *(uint8_t*)0x2000018e = 2;
  *(uint8_t*)0x2000018f = 0;
  *(uint16_t*)0x20000190 = 0x10;
  *(uint8_t*)0x20000192 = 0x80;
  *(uint8_t*)0x20000193 = 0;
  *(uint8_t*)0x20000194 = 8;
  *(uint8_t*)0x20000195 = 7;
  *(uint8_t*)0x20000196 = 0x25;
  *(uint8_t*)0x20000197 = 1;
  *(uint8_t*)0x20000198 = 2;
  *(uint8_t*)0x20000199 = 4;
  *(uint16_t*)0x2000019a = 9;
  *(uint8_t*)0x2000019c = 7;
  *(uint8_t*)0x2000019d = 0x25;
  *(uint8_t*)0x2000019e = 1;
  *(uint8_t*)0x2000019f = 2;
  *(uint8_t*)0x200001a0 = 0x7f;
  *(uint16_t*)0x200001a1 = 0x40;
  *(uint8_t*)0x200001a3 = 9;
  *(uint8_t*)0x200001a4 = 5;
  *(uint8_t*)0x200001a5 = 0xf;
  *(uint8_t*)0x200001a6 = 1;
  *(uint16_t*)0x200001a7 = 0x400;
  *(uint8_t*)0x200001a9 = -1;
  *(uint8_t*)0x200001aa = 0;
  *(uint8_t*)0x200001ab = 5;
  *(uint8_t*)0x200001ac = 9;
  *(uint8_t*)0x200001ad = 5;
  *(uint8_t*)0x200001ae = 2;
  *(uint8_t*)0x200001af = 8;
  *(uint16_t*)0x200001b0 = 0x3ff;
  *(uint8_t*)0x200001b2 = 8;
  *(uint8_t*)0x200001b3 = 6;
  *(uint8_t*)0x200001b4 = 7;
  *(uint8_t*)0x200001b5 = 0x86;
  *(uint8_t*)0x200001b6 = 9;
  memcpy((void*)0x200001b7,
         "\x2c\x43\x78\x1a\x3e\xf1\x11\x1f\x93\x96\x70\x87\xdb\xe3\x69\xf7\x45"
         "\xd3\x74\x6e\x9e\x9c\x8a\x54\xe0\x0b\xe1\x6e\xc4\x12\x09\x63\xb7\x75"
         "\x44\x22\x29\x36\x30\xd4\x08\x25\xdd\x33\x38\x6a\x71\x1b\xe8\xf7\x92"
         "\x1c\x75\x0a\xe8\x5e\xf4\x19\xdb\xf0\xcc\x6e\x44\x3e\x05\x6a\x7b\xb4"
         "\x93\xb5\xfd\x02\x33\xbc\x42\x56\xc9\xed\x5f\x4d\xd3\x7e\x9a\x25\xe7"
         "\x5f\x85\x3c\x57\x7d\xd4\x99\x7b\xc3\x4c\x63\xbb\x78\x30\xa5\x36\x55"
         "\xa6\x68\x64\x10\xdd\x59\x1d\x48\xc5\x23\xa7\x97\x59\xe5\xb5\x03\x1c"
         "\x18\x5f\x48\xc3\x67\x73\x46\x8b\x49\x39\xce\xf9\x88",
         132);
  *(uint8_t*)0x2000023b = 0xb5;
  *(uint8_t*)0x2000023c = 0xd;
  memcpy((void*)0x2000023d,
         "\x85\x41\x91\x0e\xa0\x6c\x91\xc0\xd7\xc6\x2d\x15\x13\xc8\x85\xde\x82"
         "\xac\xb9\x87\xc0\xf6\xf2\xd4\x0b\x8c\x6c\xd1\xb1\xa7\x7d\xe0\x72\x72"
         "\xb8\x48\x41\x95\x35\x1e\xf3\x37\x22\xe8\x52\x49\x5e\x50\x1d\x45\xe9"
         "\x67\x87\x1c\x87\x2a\x5e\x4f\x14\x2e\xa7\xe3\x8b\xb4\x43\x91\xd5\x30"
         "\xd7\x54\xc2\x6f\xd2\x66\x9d\x03\x7e\xc5\xaa\x73\x67\xc6\xff\x14\x59"
         "\xd8\xb1\x08\xa5\x18\x02\xad\x37\xbb\x4c\x76\xa3\x2a\x5e\x36\x3c\x9b"
         "\xb4\x7c\x9a\x07\x7a\x11\x8e\xec\x92\x9a\xbe\x42\x96\xf3\xd9\x79\x5d"
         "\x64\x04\xc9\xad\x30\xdd\x93\xb0\xc9\xa4\xc0\x4f\x62\x89\x0b\xbb\xa2"
         "\xe0\x71\x13\x38\x9d\xd5\xac\x40\x40\xe5\x70\xab\xfe\xb8\x1d\x5e\x80"
         "\x11\xfe\x25\x0d\x8b\x0a\xd3\x38\x7d\xfd\x2f\xfa\x6d\x3a\xe6\xf8\x9e"
         "\x10\x1b\x6f\x11\x44\x3b\x77\xb5\x19",
         179);
  *(uint8_t*)0x200002f0 = 9;
  *(uint8_t*)0x200002f1 = 5;
  *(uint8_t*)0x200002f2 = 2;
  *(uint8_t*)0x200002f3 = 0x10;
  *(uint16_t*)0x200002f4 = 0x20;
  *(uint8_t*)0x200002f6 = 5;
  *(uint8_t*)0x200002f7 = 8;
  *(uint8_t*)0x200002f8 = 0x80;
  *(uint8_t*)0x200002f9 = 7;
  *(uint8_t*)0x200002fa = 0x25;
  *(uint8_t*)0x200002fb = 1;
  *(uint8_t*)0x200002fc = 0x86;
  *(uint8_t*)0x200002fd = 0x81;
  *(uint16_t*)0x200002fe = 0xfff9;
  *(uint8_t*)0x20000300 = 7;
  *(uint8_t*)0x20000301 = 0x25;
  *(uint8_t*)0x20000302 = 1;
  *(uint8_t*)0x20000303 = 2;
  *(uint8_t*)0x20000304 = 8;
  *(uint16_t*)0x20000305 = 0x80;
  *(uint8_t*)0x20000307 = 9;
  *(uint8_t*)0x20000308 = 5;
  *(uint8_t*)0x20000309 = 0xc;
  *(uint8_t*)0x2000030a = 2;
  *(uint16_t*)0x2000030b = 0x20;
  *(uint8_t*)0x2000030d = 4;
  *(uint8_t*)0x2000030e = 7;
  *(uint8_t*)0x2000030f = 8;
  *(uint8_t*)0x20000310 = 0xd6;
  *(uint8_t*)0x20000311 = 0x11;
  memcpy((void*)0x20000312,
         "\xe2\x8e\x25\xeb\x5b\xb1\xfb\xb2\xf0\xf2\x40\x80\x98\x81\x30\xfc\xcc"
         "\xd8\x83\xf7\xa9\xd6\x2c\xa5\xd1\x40\x8b\xcb\x14\x14\x1e\x26\x17\xed"
         "\x89\x22\xba\xcf\x91\x9d\x43\xe9\xcc\x41\x2b\xad\x91\xbc\x83\x81\x79"
         "\x98\xad\xcf\xc2\x0f\x31\x19\xec\xcb\xfa\x94\xfa\xce\x69\x38\x71\x95"
         "\xb3\x33\x58\x82\x91\xbe\x79\xb7\xe2\x41\x9c\x77\x72\xc0\xc9\xd0\xc2"
         "\x31\xc4\x0c\xa2\xcb\x39\x61\x4b\x5a\xc1\x3c\x0f\x77\x61\xe8\x37\x8a"
         "\x04\xf9\x09\x8f\x11\x76\xde\x8a\x55\x93\x0d\xd9\x5f\x93\x60\x0d\x8e"
         "\x1d\x3a\xf2\x69\xcf\x6a\x38\xf8\x9d\x76\xe0\xab\x46\x0d\xbe\x17\xed"
         "\xbc\x54\xaa\x90\x7f\x17\xdb\x24\x62\x7d\x89\xef\x75\x3b\x04\xd9\xb2"
         "\xb1\x24\x52\x0c\xe1\x64\x1d\x36\xb2\x71\x7b\x18\x4b\xcf\x68\xe1\xe2"
         "\x62\xdd\xf3\x07\xa9\x6b\xa0\x27\xb7\x0e\x3b\x01\xf8\x2b\x3f\x9a\x4b"
         "\x1b\x63\x62\x74\xea\x3a\x7d\x47\xaf\xe5\xbe\x59\x3c\x97\x83\xef\xfe"
         "\x62\xb4\xa6\x37\x1f\xf3\xbb\x48",
         212);
  *(uint8_t*)0x200003e6 = 7;
  *(uint8_t*)0x200003e7 = 0x25;
  *(uint8_t*)0x200003e8 = 1;
  *(uint8_t*)0x200003e9 = 0;
  *(uint8_t*)0x200003ea = 9;
  *(uint16_t*)0x200003eb = 0xb2f;
  *(uint8_t*)0x200003ed = 9;
  *(uint8_t*)0x200003ee = 5;
  *(uint8_t*)0x200003ef = 0xf;
  *(uint8_t*)0x200003f0 = 0;
  *(uint16_t*)0x200003f1 = 0x40;
  *(uint8_t*)0x200003f3 = 0x1f;
  *(uint8_t*)0x200003f4 = 0x3f;
  *(uint8_t*)0x200003f5 = 5;
  *(uint8_t*)0x200003f6 = 7;
  *(uint8_t*)0x200003f7 = 0x25;
  *(uint8_t*)0x200003f8 = 1;
  *(uint8_t*)0x200003f9 = 1;
  *(uint8_t*)0x200003fa = 5;
  *(uint16_t*)0x200003fb = 0x7fff;
  *(uint8_t*)0x200003fd = 2;
  *(uint8_t*)0x200003fe = 1;
  *(uint8_t*)0x200003ff = 9;
  *(uint8_t*)0x20000400 = 5;
  *(uint8_t*)0x20000401 = 0xc;
  *(uint8_t*)0x20000402 = 0x10;
  *(uint16_t*)0x20000403 = 0x40;
  *(uint8_t*)0x20000405 = 0xc7;
  *(uint8_t*)0x20000406 = 0x81;
  *(uint8_t*)0x20000407 = 0xf9;
  *(uint8_t*)0x20000408 = 7;
  *(uint8_t*)0x20000409 = 0x25;
  *(uint8_t*)0x2000040a = 1;
  *(uint8_t*)0x2000040b = 1;
  *(uint8_t*)0x2000040c = 2;
  *(uint16_t*)0x2000040d = 0x1000;
  *(uint8_t*)0x2000040f = 7;
  *(uint8_t*)0x20000410 = 0x25;
  *(uint8_t*)0x20000411 = 1;
  *(uint8_t*)0x20000412 = 0;
  *(uint8_t*)0x20000413 = 0x81;
  *(uint16_t*)0x20000414 = 0xff80;
  *(uint8_t*)0x20000416 = 9;
  *(uint8_t*)0x20000417 = 5;
  *(uint8_t*)0x20000418 = 2;
  *(uint8_t*)0x20000419 = 1;
  *(uint16_t*)0x2000041a = 0x20;
  *(uint8_t*)0x2000041c = 4;
  *(uint8_t*)0x2000041d = 0;
  *(uint8_t*)0x2000041e = 5;
  *(uint8_t*)0x2000041f = 2;
  *(uint8_t*)0x20000420 = 6;
  *(uint8_t*)0x20000421 = 2;
  *(uint8_t*)0x20000422 = 0x21;
  *(uint8_t*)0x20000423 = 9;
  *(uint8_t*)0x20000424 = 4;
  *(uint8_t*)0x20000425 = 0x53;
  *(uint8_t*)0x20000426 = 2;
  *(uint8_t*)0x20000427 = 8;
  *(uint8_t*)0x20000428 = -1;
  *(uint8_t*)0x20000429 = 1;
  *(uint8_t*)0x2000042a = 0x3d;
  *(uint8_t*)0x2000042b = 0x1f;
  *(uint8_t*)0x2000042c = 8;
  *(uint8_t*)0x2000042d = 0x24;
  *(uint8_t*)0x2000042e = 2;
  *(uint8_t*)0x2000042f = 1;
  *(uint8_t*)0x20000430 = 3;
  *(uint8_t*)0x20000431 = 1;
  *(uint8_t*)0x20000432 = 9;
  *(uint8_t*)0x20000433 = 0x20;
  *(uint8_t*)0x20000434 = 8;
  *(uint8_t*)0x20000435 = 0x24;
  *(uint8_t*)0x20000436 = 2;
  *(uint8_t*)0x20000437 = 1;
  *(uint8_t*)0x20000438 = 2;
  *(uint8_t*)0x20000439 = 2;
  *(uint8_t*)0x2000043a = 5;
  *(uint8_t*)0x2000043b = 2;
  *(uint8_t*)0x2000043c = 7;
  *(uint8_t*)0x2000043d = 0x24;
  *(uint8_t*)0x2000043e = 1;
  *(uint8_t*)0x2000043f = 2;
  *(uint8_t*)0x20000440 = 0x91;
  *(uint16_t*)0x20000441 = 3;
  *(uint8_t*)0x20000443 = 8;
  *(uint8_t*)0x20000444 = 0x24;
  *(uint8_t*)0x20000445 = 2;
  *(uint8_t*)0x20000446 = 1;
  *(uint8_t*)0x20000447 = 5;
  *(uint8_t*)0x20000448 = 4;
  *(uint8_t*)0x20000449 = 0x40;
  *(uint8_t*)0x2000044a = 0x1f;
  *(uint8_t*)0x2000044b = 9;
  *(uint8_t*)0x2000044c = 0x21;
  *(uint16_t*)0x2000044d = 0x8be;
  *(uint8_t*)0x2000044f = 0x21;
  *(uint8_t*)0x20000450 = 1;
  *(uint8_t*)0x20000451 = 0x22;
  *(uint16_t*)0x20000452 = 0xe75;
  *(uint8_t*)0x20000454 = 9;
  *(uint8_t*)0x20000455 = 5;
  *(uint8_t*)0x20000456 = 1;
  *(uint8_t*)0x20000457 = 4;
  *(uint16_t*)0x20000458 = 8;
  *(uint8_t*)0x2000045a = 4;
  *(uint8_t*)0x2000045b = 0x80;
  *(uint8_t*)0x2000045c = 5;
  *(uint8_t*)0x2000045d = 2;
  *(uint8_t*)0x2000045e = 1;
  *(uint8_t*)0x2000045f = 9;
  *(uint8_t*)0x20000460 = 5;
  *(uint8_t*)0x20000461 = 0xa;
  *(uint8_t*)0x20000462 = 0;
  *(uint16_t*)0x20000463 = 0x58;
  *(uint8_t*)0x20000465 = 0x20;
  *(uint8_t*)0x20000466 = 7;
  *(uint8_t*)0x20000467 = 7;
  *(uint8_t*)0x20000468 = 7;
  *(uint8_t*)0x20000469 = 0x25;
  *(uint8_t*)0x2000046a = 1;
  *(uint8_t*)0x2000046b = 2;
  *(uint8_t*)0x2000046c = 2;
  *(uint16_t*)0x2000046d = 1;
  *(uint8_t*)0x2000046f = 7;
  *(uint8_t*)0x20000470 = 0x25;
  *(uint8_t*)0x20000471 = 1;
  *(uint8_t*)0x20000472 = 0x83;
  *(uint8_t*)0x20000473 = 6;
  *(uint16_t*)0x20000474 = 0x1f;
  *(uint8_t*)0x20000476 = 9;
  *(uint8_t*)0x20000477 = 5;
  *(uint8_t*)0x20000478 = 9;
  *(uint8_t*)0x20000479 = 0x10;
  *(uint16_t*)0x2000047a = 0x40;
  *(uint8_t*)0x2000047c = 9;
  *(uint8_t*)0x2000047d = 0x1f;
  *(uint8_t*)0x2000047e = 8;
  *(uint8_t*)0x2000047f = 9;
  *(uint8_t*)0x20000480 = 5;
  *(uint8_t*)0x20000481 = 0xb;
  *(uint8_t*)0x20000482 = 0x13;
  *(uint16_t*)0x20000483 = 0x200;
  *(uint8_t*)0x20000485 = 3;
  *(uint8_t*)0x20000486 = 0x3f;
  *(uint8_t*)0x20000487 = 0x3f;
  *(uint8_t*)0x20000488 = 9;
  *(uint8_t*)0x20000489 = 5;
  *(uint8_t*)0x2000048a = 0xa;
  *(uint8_t*)0x2000048b = 0xc;
  *(uint16_t*)0x2000048c = 0x660;
  *(uint8_t*)0x2000048e = 0x20;
  *(uint8_t*)0x2000048f = 0x3f;
  *(uint8_t*)0x20000490 = 3;
  *(uint8_t*)0x20000491 = 9;
  *(uint8_t*)0x20000492 = 5;
  *(uint8_t*)0x20000493 = 9;
  *(uint8_t*)0x20000494 = 8;
  *(uint16_t*)0x20000495 = 8;
  *(uint8_t*)0x20000497 = 8;
  *(uint8_t*)0x20000498 = 0xa5;
  *(uint8_t*)0x20000499 = 0x13;
  *(uint8_t*)0x2000049a = 9;
  *(uint8_t*)0x2000049b = 5;
  *(uint8_t*)0x2000049c = 6;
  *(uint8_t*)0x2000049d = 0x10;
  *(uint16_t*)0x2000049e = 8;
  *(uint8_t*)0x200004a0 = 9;
  *(uint8_t*)0x200004a1 = -1;
  *(uint8_t*)0x200004a2 = 0xd7;
  *(uint8_t*)0x200004a3 = 2;
  *(uint8_t*)0x200004a4 = 0x21;
  *(uint8_t*)0x200004a5 = 2;
  *(uint8_t*)0x200004a6 = 0x21;
  *(uint8_t*)0x200004a7 = 9;
  *(uint8_t*)0x200004a8 = 5;
  *(uint8_t*)0x200004a9 = 2;
  *(uint8_t*)0x200004aa = 2;
  *(uint16_t*)0x200004ab = 0x40;
  *(uint8_t*)0x200004ad = 5;
  *(uint8_t*)0x200004ae = 5;
  *(uint8_t*)0x200004af = 4;
  *(uint32_t*)0x20000a80 = 0xa;
  *(uint64_t*)0x20000a84 = 0x20000940;
  *(uint8_t*)0x20000940 = 0xa;
  *(uint8_t*)0x20000941 = 6;
  *(uint16_t*)0x20000942 = 0x310;
  *(uint8_t*)0x20000944 = 0;
  *(uint8_t*)0x20000945 = 5;
  *(uint8_t*)0x20000946 = 6;
  *(uint8_t*)0x20000947 = 0x10;
  *(uint8_t*)0x20000948 = 8;
  *(uint8_t*)0x20000949 = 0;
  *(uint32_t*)0x20000a8c = 0;
  *(uint64_t*)0x20000a90 = 0;
  *(uint32_t*)0x20000a98 = 3;
  *(uint32_t*)0x20000a9c = 0;
  *(uint64_t*)0x20000aa0 = 0;
  *(uint32_t*)0x20000aa8 = 0;
  *(uint64_t*)0x20000aac = 0;
  *(uint32_t*)0x20000ab4 = 0;
  *(uint64_t*)0x20000ab8 = 0;
  syz_usb_connect(2, 0x4b0, 0x20000000, 0x20000a80);
  return 0;
}