// https://syzkaller.appspot.com/bug?id=e893981207a4ac5946d0b93f8827c8ef261533d9
// 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 <fcntl.h>
#include <pwd.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>

static unsigned long long procid;

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;
}

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;
}

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;
    }
  }
}

#ifndef SYS_mmap
#define SYS_mmap 197
#endif

void execute_one(void)
{
  memcpy(
      (void*)0x200007c0,
      "\x12\x01\x00\x00\x02\x00\x00\x08\x25\x05\xa1\xa4\x40\x00\x01\x02\x03\x01"
      "\x09\x02\x58\x00\x01\x01\x20\x00\x00\x09\x04\x00\x04\x03\x02\x02\x00\x02"
      "\x05\x24\x06\x00\x00\x05\x24\x00\x00\x00\x0d\x1e\x07\x01\x00\x00\x00\x00"
      "\x09\x00\x00\x00\x00\x08\x24\x1c\x00\x00\x00\x00\x00\x05\x24\x01\x00\x00"
      "\x07\x24\x14\x00\x00\x00\x00\x09\x05\x81\x03\x00\x02\x00\x00\x04\x09\x05"
      "\x82\x02\x20\x00\x00\x00\x00\x09\x05\x03\x02\x00\x02",
      103);
  syz_usb_connect(0, 0x6a, 0x200007c0, 0);
  *(uint8_t*)0x20000640 = 0x12;
  *(uint8_t*)0x20000641 = 1;
  *(uint16_t*)0x20000642 = 0;
  *(uint8_t*)0x20000644 = 0;
  *(uint8_t*)0x20000645 = 0;
  *(uint8_t*)0x20000646 = 0;
  *(uint8_t*)0x20000647 = 0x40;
  *(uint16_t*)0x20000648 = 0x1d6b;
  *(uint16_t*)0x2000064a = 0x101;
  *(uint16_t*)0x2000064c = 0x40;
  *(uint8_t*)0x2000064e = 1;
  *(uint8_t*)0x2000064f = 2;
  *(uint8_t*)0x20000650 = 3;
  *(uint8_t*)0x20000651 = 1;
  *(uint8_t*)0x20000652 = 9;
  *(uint8_t*)0x20000653 = 2;
  *(uint16_t*)0x20000654 = 0xc3;
  *(uint8_t*)0x20000656 = 3;
  *(uint8_t*)0x20000657 = 1;
  *(uint8_t*)0x20000658 = 1;
  *(uint8_t*)0x20000659 = 0x20;
  *(uint8_t*)0x2000065a = 5;
  *(uint8_t*)0x2000065b = 9;
  *(uint8_t*)0x2000065c = 4;
  *(uint8_t*)0x2000065d = 0;
  *(uint8_t*)0x2000065e = 0;
  *(uint8_t*)0x2000065f = 0;
  *(uint8_t*)0x20000660 = 1;
  *(uint8_t*)0x20000661 = 1;
  *(uint8_t*)0x20000662 = 0;
  *(uint8_t*)0x20000663 = 0;
  *(uint8_t*)0x20000664 = 0xa;
  *(uint8_t*)0x20000665 = 0x24;
  *(uint8_t*)0x20000666 = 1;
  *(uint16_t*)0x20000667 = 0x27;
  *(uint8_t*)0x20000669 = 0xb4;
  *(uint8_t*)0x2000066a = 2;
  *(uint8_t*)0x2000066b = 1;
  *(uint8_t*)0x2000066c = 2;
  *(uint8_t*)0x2000066d = 9;
  *(uint8_t*)0x2000066e = 0x24;
  *(uint8_t*)0x2000066f = 6;
  *(uint8_t*)0x20000670 = 2;
  *(uint8_t*)0x20000671 = 6;
  *(uint8_t*)0x20000672 = 1;
  *(uint16_t*)0x20000673 = 4;
  *(uint8_t*)0x20000675 = 0;
  *(uint8_t*)0x20000676 = 0xc;
  *(uint8_t*)0x20000677 = 0x24;
  *(uint8_t*)0x20000678 = 2;
  *(uint8_t*)0x20000679 = 5;
  *(uint16_t*)0x2000067a = 0x205;
  *(uint8_t*)0x2000067c = 5;
  *(uint8_t*)0x2000067d = 0xc1;
  *(uint16_t*)0x2000067e = 0;
  *(uint8_t*)0x20000680 = 0x1f;
  *(uint8_t*)0x20000681 = 3;
  *(uint8_t*)0x20000682 = 9;
  *(uint8_t*)0x20000683 = 4;
  *(uint8_t*)0x20000684 = 1;
  *(uint8_t*)0x20000685 = 0;
  *(uint8_t*)0x20000686 = 0;
  *(uint8_t*)0x20000687 = 1;
  *(uint8_t*)0x20000688 = 2;
  *(uint8_t*)0x20000689 = 0;
  *(uint8_t*)0x2000068a = 0;
  *(uint8_t*)0x2000068b = 9;
  *(uint8_t*)0x2000068c = 4;
  *(uint8_t*)0x2000068d = 1;
  *(uint8_t*)0x2000068e = 1;
  *(uint8_t*)0x2000068f = 1;
  *(uint8_t*)0x20000690 = 1;
  *(uint8_t*)0x20000691 = 2;
  *(uint8_t*)0x20000692 = 0;
  *(uint8_t*)0x20000693 = 0;
  *(uint8_t*)0x20000694 = 9;
  *(uint8_t*)0x20000695 = 0x24;
  *(uint8_t*)0x20000696 = 2;
  *(uint8_t*)0x20000697 = 2;
  *(uint16_t*)0x20000698 = 0x200;
  *(uint16_t*)0x2000069a = 1;
  *(uint8_t*)0x2000069c = 0;
  *(uint8_t*)0x2000069d = 8;
  *(uint8_t*)0x2000069e = 0x24;
  *(uint8_t*)0x2000069f = 2;
  *(uint8_t*)0x200006a0 = 1;
  *(uint8_t*)0x200006a1 = 3;
  *(uint8_t*)0x200006a2 = 4;
  *(uint8_t*)0x200006a3 = 9;
  *(uint8_t*)0x200006a4 = 0x3c;
  *(uint8_t*)0x200006a5 = 9;
  *(uint8_t*)0x200006a6 = 0x24;
  *(uint8_t*)0x200006a7 = 2;
  *(uint8_t*)0x200006a8 = 2;
  *(uint16_t*)0x200006a9 = 4;
  *(uint16_t*)0x200006ab = 0x400;
  *(uint8_t*)0x200006ad = 9;
  *(uint8_t*)0x200006ae = 8;
  *(uint8_t*)0x200006af = 0x24;
  *(uint8_t*)0x200006b0 = 2;
  *(uint8_t*)0x200006b1 = 1;
  *(uint8_t*)0x200006b2 = 6;
  *(uint8_t*)0x200006b3 = 3;
  *(uint8_t*)0x200006b4 = 5;
  *(uint8_t*)0x200006b5 = 5;
  *(uint8_t*)0x200006b6 = 7;
  *(uint8_t*)0x200006b7 = 0x24;
  *(uint8_t*)0x200006b8 = 1;
  *(uint8_t*)0x200006b9 = 0x10;
  *(uint8_t*)0x200006ba = 1;
  *(uint16_t*)0x200006bb = 5;
  *(uint8_t*)0x200006bd = 9;
  *(uint8_t*)0x200006be = 5;
  *(uint8_t*)0x200006bf = 1;
  *(uint8_t*)0x200006c0 = 9;
  *(uint16_t*)0x200006c1 = 0;
  *(uint8_t*)0x200006c3 = 1;
  *(uint8_t*)0x200006c4 = 0x80;
  *(uint8_t*)0x200006c5 = 9;
  *(uint8_t*)0x200006c6 = 7;
  *(uint8_t*)0x200006c7 = 0x25;
  *(uint8_t*)0x200006c8 = 1;
  *(uint8_t*)0x200006c9 = 2;
  *(uint8_t*)0x200006ca = 0xa8;
  *(uint16_t*)0x200006cb = 6;
  *(uint8_t*)0x200006cd = 9;
  *(uint8_t*)0x200006ce = 4;
  *(uint8_t*)0x200006cf = 2;
  *(uint8_t*)0x200006d0 = 0;
  *(uint8_t*)0x200006d1 = 0;
  *(uint8_t*)0x200006d2 = 1;
  *(uint8_t*)0x200006d3 = 2;
  *(uint8_t*)0x200006d4 = 0;
  *(uint8_t*)0x200006d5 = 0;
  *(uint8_t*)0x200006d6 = 9;
  *(uint8_t*)0x200006d7 = 4;
  *(uint8_t*)0x200006d8 = 2;
  *(uint8_t*)0x200006d9 = 1;
  *(uint8_t*)0x200006da = 1;
  *(uint8_t*)0x200006db = 1;
  *(uint8_t*)0x200006dc = 2;
  *(uint8_t*)0x200006dd = 0;
  *(uint8_t*)0x200006de = 0;
  *(uint8_t*)0x200006df = 7;
  *(uint8_t*)0x200006e0 = 0x24;
  *(uint8_t*)0x200006e1 = 1;
  *(uint8_t*)0x200006e2 = 6;
  *(uint8_t*)0x200006e3 = 0xf7;
  *(uint16_t*)0x200006e4 = 5;
  *(uint8_t*)0x200006e6 = 8;
  *(uint8_t*)0x200006e7 = 0x24;
  *(uint8_t*)0x200006e8 = 2;
  *(uint8_t*)0x200006e9 = 1;
  *(uint8_t*)0x200006ea = 3;
  *(uint8_t*)0x200006eb = 1;
  *(uint8_t*)0x200006ec = 0;
  *(uint8_t*)0x200006ed = 0x81;
  *(uint8_t*)0x200006ee = 7;
  *(uint8_t*)0x200006ef = 0x24;
  *(uint8_t*)0x200006f0 = 1;
  *(uint8_t*)0x200006f1 = 0xa9;
  *(uint8_t*)0x200006f2 = 3;
  *(uint16_t*)0x200006f3 = 5;
  *(uint8_t*)0x200006f5 = 8;
  *(uint8_t*)0x200006f6 = 0x24;
  *(uint8_t*)0x200006f7 = 2;
  *(uint8_t*)0x200006f8 = 1;
  *(uint8_t*)0x200006f9 = 7;
  *(uint8_t*)0x200006fa = 4;
  *(uint8_t*)0x200006fb = 0x80;
  *(uint8_t*)0x200006fc = 3;
  *(uint8_t*)0x200006fd = 8;
  *(uint8_t*)0x200006fe = 0x24;
  *(uint8_t*)0x200006ff = 2;
  *(uint8_t*)0x20000700 = 1;
  *(uint8_t*)0x20000701 = 5;
  *(uint8_t*)0x20000702 = 3;
  *(uint8_t*)0x20000703 = 0xca;
  *(uint8_t*)0x20000704 = 6;
  *(uint8_t*)0x20000705 = 9;
  *(uint8_t*)0x20000706 = 5;
  *(uint8_t*)0x20000707 = 0x82;
  *(uint8_t*)0x20000708 = 9;
  *(uint16_t*)0x20000709 = 8;
  *(uint8_t*)0x2000070b = 9;
  *(uint8_t*)0x2000070c = 0x20;
  *(uint8_t*)0x2000070d = 9;
  *(uint8_t*)0x2000070e = 7;
  *(uint8_t*)0x2000070f = 0x25;
  *(uint8_t*)0x20000710 = 1;
  *(uint8_t*)0x20000711 = 2;
  *(uint8_t*)0x20000712 = 4;
  *(uint16_t*)0x20000713 = 9;
  syz_usb_connect(3, 0xd5, 0x20000640, 0);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}