// https://syzkaller.appspot.com/bug?id=e2c78e97a0d34e40a28e588b476faa964bcfe1af
// 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;
  }
  int rv = vhci_setport(fd, 1);
  if (rv != 0) {
    exit(1);
  }
  rv = vhci_usb_attach(fd);
  if (rv != 0) {
    return -1;
  }
  bool done = false;
  while (!done) {
    vhci_request_t req;
    rv = vhci_usb_recv(fd, &req, sizeof(req));
    if (rv != 0) {
      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);
    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 < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

#ifndef SYS_fork
#define SYS_fork 2
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif

void execute_one(void)
{
  *(uint8_t*)0x20000000 = 0x12;
  *(uint8_t*)0x20000001 = 1;
  *(uint16_t*)0x20000002 = 0;
  *(uint8_t*)0x20000004 = 2;
  *(uint8_t*)0x20000005 = 0;
  *(uint8_t*)0x20000006 = 0;
  *(uint8_t*)0x20000007 = 0;
  *(uint16_t*)0x20000008 = 0x525;
  *(uint16_t*)0x2000000a = 0xa4a1;
  *(uint16_t*)0x2000000c = 0x40;
  *(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 = 0x24e;
  *(uint8_t*)0x20000016 = 1;
  *(uint8_t*)0x20000017 = 1;
  *(uint8_t*)0x20000018 = 0;
  *(uint8_t*)0x20000019 = 0;
  *(uint8_t*)0x2000001a = 0;
  *(uint8_t*)0x2000001b = 9;
  *(uint8_t*)0x2000001c = 4;
  *(uint8_t*)0x2000001d = 0;
  *(uint8_t*)0x2000001e = 0;
  *(uint8_t*)0x2000001f = 0;
  *(uint8_t*)0x20000020 = 2;
  *(uint8_t*)0x20000021 = 6;
  *(uint8_t*)0x20000022 = 0;
  *(uint8_t*)0x20000023 = 0;
  *(uint8_t*)0x20000024 = 5;
  *(uint8_t*)0x20000025 = 0x24;
  *(uint8_t*)0x20000026 = 6;
  *(uint8_t*)0x20000027 = 0;
  *(uint8_t*)0x20000028 = 0;
  *(uint8_t*)0x20000029 = 5;
  *(uint8_t*)0x2000002a = 0x24;
  *(uint8_t*)0x2000002b = 0;
  *(uint16_t*)0x2000002c = 0;
  *(uint8_t*)0x2000002e = 0xd;
  *(uint8_t*)0x2000002f = 0x24;
  *(uint8_t*)0x20000030 = 0xf;
  *(uint8_t*)0x20000031 = 1;
  *(uint32_t*)0x20000032 = 0;
  *(uint16_t*)0x20000036 = 0;
  *(uint16_t*)0x20000038 = 0;
  *(uint8_t*)0x2000003a = 0;
  *(uint8_t*)0x2000003b = 0xf5;
  *(uint8_t*)0x2000003c = 0x24;
  *(uint8_t*)0x2000003d = 0x13;
  *(uint8_t*)0x2000003e = 0;
  memcpy((void*)0x2000003f,
         "\x39\xd7\x98\x97\x1d\x96\xe7\x83\xc6\x76\x2c\x39\x63\x4d\xbd\x43\x03"
         "\xe8\xba\x0d\x89\x51\x31\x12\x22\x1b\x40\x47\x3e\x3e\x36\x99\xb7\xe7"
         "\x77\x53\xe6\xa2\xd1\x3a\xf6\x50\xdc\xf4\xae\x59\xe6\x90\xb1\x80\xe2"
         "\xe2\x8e\x7b\x11\xc2\xf9\x57\xa3\xf8\x01\xec\xa5\x90\x65\x48\x2f\xfd"
         "\x51\xf5\xd6\xfe\x73\x3c\xa9\x0d\x73\x6f\xe1\xe1\xae\x30\xee\xf2\x4b"
         "\x29\xb9\xbb\x20\x1a\xef\xd4\xbc\xc0\x5d\xea\xcf\x85\x22\x16\xc1\x76"
         "\x61\xa3\x0f\xd2\xfa\x35\xec\x18\x92\x19\xcf\x30\x99\xef\x84\x05\x3c"
         "\xce\x4f\xd8\xb6\x1f\x22\x77\x33\x83\xfa\xb3\x53\xcd\x36\x25\x31\x53"
         "\x81\x55\xf4\x84\xee\x93\x8b\x18\xb6\xbc\x00\xd2\x3c\x95\x42\xc7\x19"
         "\x61\xe9\x5d\x7b\x1c\x00\xd8\x39\x92\x3b\xd1\x5b\xf5\xf7\x43\xe7\xe0"
         "\xe8\xcc\xcb\xe4\xcd\xde\x9c\xf8\x00\x45\x9f\xa9\x08\xdb\xcf\x7a\x3f"
         "\x25\x7b\xb1\x71\x7e\x54\xed\xb0\x00\xa4\x25\x8c\x97\x72\xc3\xf4\x39"
         "\x91\xb4\x9c\x26\x7e\x06\x2f\x2f\xf0\xac\x1f\x80\xef\xcf\xf3\x66\xcb"
         "\x93\xc5\x0d\x24\x4c\xc1\x1d\x1d\x88\x3c\xe9\xe8\xd6\x0f\x2e\x7a\x0c"
         "\xdb\xba\x8a",
         241);
  *(uint8_t*)0x20000130 = 0x5b;
  *(uint8_t*)0x20000131 = 0x24;
  *(uint8_t*)0x20000132 = 0x13;
  *(uint8_t*)0x20000133 = 0x3f;
  memcpy((void*)0x20000134,
         "\x69\x85\xeb\x3b\xa5\x0a\x01\x82\xd3\x7c\xed\xfe\x7b\x0d\x0d\x3d\xab"
         "\xed\xd4\x12\x14\x07\x2a\xae\xa5\x52\x06\x19\x43\xa5\x17\x67\x08\x81"
         "\x69\x8c\x94\x95\xf7\xea\x4e\x78\xde\x59\xd4\x62\x66\xc3\xff\xe8\xb3"
         "\x21\xb1\xc4\x21\xe5\xff\x69\x9c\x98\x2e\x80\x8e\xbb\x69\xe1\xf0\xd2"
         "\x36\xde\x71\x05\xea\xd4\x76\x58\x70\xfe\x0a\x9f\x27\x64\x75\xe0\xb4"
         "\x31\x30",
         87);
  *(uint8_t*)0x2000018b = 6;
  *(uint8_t*)0x2000018c = 0x24;
  *(uint8_t*)0x2000018d = 0x1a;
  *(uint16_t*)0x2000018e = 0x7f;
  *(uint8_t*)0x20000190 = 0x11;
  *(uint8_t*)0x20000191 = 0xb9;
  *(uint8_t*)0x20000192 = 0x24;
  *(uint8_t*)0x20000193 = 0x13;
  *(uint8_t*)0x20000194 = 0xbd;
  memcpy((void*)0x20000195,
         "\xea\x4f\xde\x2e\x7e\x59\xbd\xe6\x9b\x77\xdf\xdf\x38\x9e\x89\x9e\x1a"
         "\xf9\x29\xbb\x6e\xb0\x62\xdd\x22\x88\xd1\x6a\xb4\x84\x05\xa5\xfc\xd4"
         "\xa5\x34\x3e\xbb\x52\x72\x1b\x39\xde\xac\x73\x85\xf8\x42\xb8\x69\xf7"
         "\x5c\xa4\x64\x67\x0c\x64\xbf\xe7\x2e\x30\x4d\x78\x18\xa3\xa4\x59\x6a"
         "\x6f\x09\xa2\x88\xae\x58\xd9\xc2\x51\x8b\x4b\x2f\xd0\x4a\x95\x59\x68"
         "\x83\x17\x03\x33\x4b\xea\x82\x7a\x11\xf9\x67\x09\xd4\x72\x17\xc5\xe9"
         "\x82\x43\xbd\xa3\x28\x8a\x20\xe2\x3c\xf6\x9c\x81\xde\xaa\xb5\x30\xec"
         "\x86\x54\x09\x54\xa6\x7e\x21\x01\x10\x29\x19\x99\x7b\xfb\x7b\x66\x2d"
         "\x29\x6b\xae\xeb\x03\xf1\xaf\xaa\xb5\xab\x20\x1a\x12\x2b\xe1\xcc\x7f"
         "\x95\x51\x38\xf6\x2e\xc0\xe5\x88\x8c\x95\xae\x88\xc5\x6a\xd9\xe7\xdc"
         "\xf7\x27\x02\x91\x1d\x6c\xaf\x0d\x1c\x9d\x60",
         181);
  *(uint8_t*)0x2000024a = 0;
  *(uint8_t*)0x2000024b = 0x24;
  *(uint8_t*)0x2000024c = 2;
  *(uint8_t*)0x2000024d = 1;
  *(uint8_t*)0x2000024e = 9;
  *(uint8_t*)0x2000024f = 5;
  *(uint8_t*)0x20000250 = 0x82;
  *(uint8_t*)0x20000251 = 2;
  *(uint16_t*)0x20000252 = 0;
  *(uint8_t*)0x20000254 = 0;
  *(uint8_t*)0x20000255 = 0;
  *(uint8_t*)0x20000256 = 0;
  *(uint8_t*)0x20000257 = 9;
  *(uint8_t*)0x20000258 = 5;
  *(uint8_t*)0x20000259 = 3;
  *(uint8_t*)0x2000025a = 2;
  *(uint16_t*)0x2000025b = 0x400;
  *(uint8_t*)0x2000025d = 0;
  *(uint8_t*)0x2000025e = 0;
  *(uint8_t*)0x2000025f = 0;
  syz_usb_connect(4, 0x260, 0x20000000, 0);
  *(uint8_t*)0x20001c80 = 0x12;
  *(uint8_t*)0x20001c81 = 1;
  *(uint16_t*)0x20001c82 = 0;
  *(uint8_t*)0x20001c84 = 0;
  *(uint8_t*)0x20001c85 = 0;
  *(uint8_t*)0x20001c86 = 0;
  *(uint8_t*)0x20001c87 = 0;
  *(uint16_t*)0x20001c88 = 0x1d6b;
  *(uint16_t*)0x20001c8a = 0x101;
  *(uint16_t*)0x20001c8c = 0x40;
  *(uint8_t*)0x20001c8e = 1;
  *(uint8_t*)0x20001c8f = 2;
  *(uint8_t*)0x20001c90 = 3;
  *(uint8_t*)0x20001c91 = 1;
  *(uint8_t*)0x20001c92 = 9;
  *(uint8_t*)0x20001c93 = 2;
  *(uint16_t*)0x20001c94 = 0x5f;
  *(uint8_t*)0x20001c96 = 3;
  *(uint8_t*)0x20001c97 = 1;
  *(uint8_t*)0x20001c98 = 0;
  *(uint8_t*)0x20001c99 = 0xb0;
  *(uint8_t*)0x20001c9a = 0;
  *(uint8_t*)0x20001c9b = 9;
  *(uint8_t*)0x20001c9c = 4;
  *(uint8_t*)0x20001c9d = 0;
  *(uint8_t*)0x20001c9e = 0;
  *(uint8_t*)0x20001c9f = 0;
  *(uint8_t*)0x20001ca0 = 1;
  *(uint8_t*)0x20001ca1 = 1;
  *(uint8_t*)0x20001ca2 = 0;
  *(uint8_t*)0x20001ca3 = 0;
  *(uint8_t*)0x20001ca4 = 0xa;
  *(uint8_t*)0x20001ca5 = 0x24;
  *(uint8_t*)0x20001ca6 = 1;
  *(uint16_t*)0x20001ca7 = 0;
  *(uint8_t*)0x20001ca9 = 0;
  *(uint8_t*)0x20001caa = 2;
  *(uint8_t*)0x20001cab = 1;
  *(uint8_t*)0x20001cac = 2;
  *(uint8_t*)0x20001cad = 9;
  *(uint8_t*)0x20001cae = 4;
  *(uint8_t*)0x20001caf = 1;
  *(uint8_t*)0x20001cb0 = 0;
  *(uint8_t*)0x20001cb1 = 0;
  *(uint8_t*)0x20001cb2 = 1;
  *(uint8_t*)0x20001cb3 = 2;
  *(uint8_t*)0x20001cb4 = 0;
  *(uint8_t*)0x20001cb5 = 0;
  *(uint8_t*)0x20001cb6 = 9;
  *(uint8_t*)0x20001cb7 = 4;
  *(uint8_t*)0x20001cb8 = 1;
  *(uint8_t*)0x20001cb9 = 1;
  *(uint8_t*)0x20001cba = 1;
  *(uint8_t*)0x20001cbb = 1;
  *(uint8_t*)0x20001cbc = 2;
  *(uint8_t*)0x20001cbd = 0;
  *(uint8_t*)0x20001cbe = 0;
  *(uint8_t*)0x20001cbf = 9;
  *(uint8_t*)0x20001cc0 = 5;
  *(uint8_t*)0x20001cc1 = 1;
  *(uint8_t*)0x20001cc2 = 9;
  *(uint16_t*)0x20001cc3 = 0;
  *(uint8_t*)0x20001cc5 = 0;
  *(uint8_t*)0x20001cc6 = 0;
  *(uint8_t*)0x20001cc7 = 0;
  *(uint8_t*)0x20001cc8 = 7;
  *(uint8_t*)0x20001cc9 = 0x25;
  *(uint8_t*)0x20001cca = 1;
  *(uint8_t*)0x20001ccb = 0;
  *(uint8_t*)0x20001ccc = 0;
  *(uint16_t*)0x20001ccd = 0;
  *(uint8_t*)0x20001ccf = 9;
  *(uint8_t*)0x20001cd0 = 4;
  *(uint8_t*)0x20001cd1 = 2;
  *(uint8_t*)0x20001cd2 = 0;
  *(uint8_t*)0x20001cd3 = 0;
  *(uint8_t*)0x20001cd4 = 1;
  *(uint8_t*)0x20001cd5 = 2;
  *(uint8_t*)0x20001cd6 = 0;
  *(uint8_t*)0x20001cd7 = 0;
  *(uint8_t*)0x20001cd8 = 9;
  *(uint8_t*)0x20001cd9 = 4;
  *(uint8_t*)0x20001cda = 2;
  *(uint8_t*)0x20001cdb = 1;
  *(uint8_t*)0x20001cdc = 1;
  *(uint8_t*)0x20001cdd = 1;
  *(uint8_t*)0x20001cde = 2;
  *(uint8_t*)0x20001cdf = 0;
  *(uint8_t*)0x20001ce0 = 0;
  *(uint8_t*)0x20001ce1 = 9;
  *(uint8_t*)0x20001ce2 = 5;
  *(uint8_t*)0x20001ce3 = 0x82;
  *(uint8_t*)0x20001ce4 = 9;
  *(uint16_t*)0x20001ce5 = 0;
  *(uint8_t*)0x20001ce7 = -1;
  *(uint8_t*)0x20001ce8 = 0;
  *(uint8_t*)0x20001ce9 = 0;
  *(uint8_t*)0x20001cea = 7;
  *(uint8_t*)0x20001ceb = 0x25;
  *(uint8_t*)0x20001cec = 1;
  *(uint8_t*)0x20001ced = 0;
  *(uint8_t*)0x20001cee = 0;
  *(uint16_t*)0x20001cef = 0;
  syz_usb_connect(6, 0x71, 0x20001c80, 0);
  syscall(SYS_fork);
}
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;
}