// 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 <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/resource.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef SYS_mmap
#define SYS_mmap 197
#endif

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;
}

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;
}

static void sandbox_common()
{
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = 8 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
}

static void loop();

static int do_sandbox_none(void)
{
  sandbox_common();
  loop();
  return 0;
}

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 < 3; 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)
        break;
      event_timedwait(&th->done, 50 + (call == 0 ? 3000 : 0) +
                                     (call == 1 ? 3000 : 0) +
                                     (call == 2 ? 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;
    }
  }
}

void execute_call(int call)
{
  switch (call) {
  case 0:
    *(uint8_t*)0x20000000 = 0x12;
    *(uint8_t*)0x20000001 = 1;
    *(uint16_t*)0x20000002 = 0x110;
    *(uint8_t*)0x20000004 = 2;
    *(uint8_t*)0x20000005 = 0;
    *(uint8_t*)0x20000006 = 0;
    *(uint8_t*)0x20000007 = 0x20;
    *(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 = 0x48;
    *(uint8_t*)0x20000016 = 1;
    *(uint8_t*)0x20000017 = 1;
    *(uint8_t*)0x20000018 = 6;
    *(uint8_t*)0x20000019 = 0x10;
    *(uint8_t*)0x2000001a = 7;
    *(uint8_t*)0x2000001b = 9;
    *(uint8_t*)0x2000001c = 4;
    *(uint8_t*)0x2000001d = 0;
    *(uint8_t*)0x2000001e = 8;
    *(uint8_t*)0x2000001f = 2;
    *(uint8_t*)0x20000020 = 2;
    *(uint8_t*)0x20000021 = 6;
    *(uint8_t*)0x20000022 = 0;
    *(uint8_t*)0x20000023 = 0x1f;
    *(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 = 9;
    *(uint8_t*)0x2000002e = 0xd;
    *(uint8_t*)0x2000002f = 0x24;
    *(uint8_t*)0x20000030 = 0xf;
    *(uint8_t*)0x20000031 = 1;
    *(uint32_t*)0x20000032 = 0;
    *(uint16_t*)0x20000036 = 4;
    *(uint16_t*)0x20000038 = 5;
    *(uint8_t*)0x2000003a = 0x80;
    *(uint8_t*)0x2000003b = 7;
    *(uint8_t*)0x2000003c = 0x24;
    *(uint8_t*)0x2000003d = 0xa;
    *(uint8_t*)0x2000003e = 6;
    *(uint8_t*)0x2000003f = 0;
    *(uint8_t*)0x20000040 = 8;
    *(uint8_t*)0x20000041 = 7;
    *(uint8_t*)0x20000042 = 6;
    *(uint8_t*)0x20000043 = 0x24;
    *(uint8_t*)0x20000044 = 0x1a;
    *(uint16_t*)0x20000045 = 0x464;
    *(uint8_t*)0x20000047 = 0x14;
    *(uint8_t*)0x20000048 = 9;
    *(uint8_t*)0x20000049 = 5;
    *(uint8_t*)0x2000004a = 0x82;
    *(uint8_t*)0x2000004b = 2;
    *(uint16_t*)0x2000004c = 0x20;
    *(uint8_t*)0x2000004e = 0xcf;
    *(uint8_t*)0x2000004f = 9;
    *(uint8_t*)0x20000050 = 0xb7;
    *(uint8_t*)0x20000051 = 9;
    *(uint8_t*)0x20000052 = 5;
    *(uint8_t*)0x20000053 = 3;
    *(uint8_t*)0x20000054 = 2;
    *(uint16_t*)0x20000055 = 0x400;
    *(uint8_t*)0x20000057 = 1;
    *(uint8_t*)0x20000058 = 0x20;
    *(uint8_t*)0x20000059 = 0x20;
    *(uint32_t*)0x20000180 = 0;
    *(uint64_t*)0x20000184 = 0;
    *(uint32_t*)0x2000018c = 0x1a;
    *(uint64_t*)0x20000190 = 0x200000c0;
    *(uint8_t*)0x200000c0 = 5;
    *(uint8_t*)0x200000c1 = 0xf;
    *(uint16_t*)0x200000c2 = 0x1a;
    *(uint8_t*)0x200000c4 = 2;
    *(uint8_t*)0x200000c5 = 0xb;
    *(uint8_t*)0x200000c6 = 0x10;
    *(uint8_t*)0x200000c7 = 1;
    *(uint8_t*)0x200000c8 = 2;
    *(uint16_t*)0x200000c9 = 0;
    *(uint8_t*)0x200000cb = 3;
    *(uint8_t*)0x200000cc = 6;
    *(uint16_t*)0x200000cd = 0x401;
    *(uint8_t*)0x200000cf = -1;
    *(uint8_t*)0x200000d0 = 0xa;
    *(uint8_t*)0x200000d1 = 0x10;
    *(uint8_t*)0x200000d2 = 3;
    *(uint8_t*)0x200000d3 = 0;
    *(uint16_t*)0x200000d4 = 0xa;
    *(uint8_t*)0x200000d6 = 0x87;
    *(uint8_t*)0x200000d7 = -1;
    *(uint16_t*)0x200000d8 = 0x8001;
    *(uint32_t*)0x20000198 = 2;
    *(uint32_t*)0x2000019c = 4;
    *(uint64_t*)0x200001a0 = 0x20000100;
    *(uint8_t*)0x20000100 = 4;
    *(uint8_t*)0x20000101 = 3;
    *(uint16_t*)0x20000102 = 0x437;
    *(uint32_t*)0x200001a8 = 4;
    *(uint64_t*)0x200001ac = 0x20000140;
    *(uint8_t*)0x20000140 = 4;
    *(uint8_t*)0x20000141 = 3;
    *(uint16_t*)0x20000142 = 0x860;
    syz_usb_connect(0, 0x5a, 0x20000000, 0x20000180);
    break;
  case 1:
    *(uint8_t*)0x20001a40 = 0x12;
    *(uint8_t*)0x20001a41 = 1;
    *(uint16_t*)0x20001a42 = 0x201;
    *(uint8_t*)0x20001a44 = 0;
    *(uint8_t*)0x20001a45 = 0;
    *(uint8_t*)0x20001a46 = 0;
    *(uint8_t*)0x20001a47 = -1;
    *(uint16_t*)0x20001a48 = 0x525;
    *(uint16_t*)0x20001a4a = 0xa4a8;
    *(uint16_t*)0x20001a4c = 0x40;
    *(uint8_t*)0x20001a4e = 1;
    *(uint8_t*)0x20001a4f = 2;
    *(uint8_t*)0x20001a50 = 3;
    *(uint8_t*)0x20001a51 = 1;
    *(uint8_t*)0x20001a52 = 9;
    *(uint8_t*)0x20001a53 = 2;
    *(uint16_t*)0x20001a54 = 0x24;
    *(uint8_t*)0x20001a56 = 1;
    *(uint8_t*)0x20001a57 = 1;
    *(uint8_t*)0x20001a58 = 0x7f;
    *(uint8_t*)0x20001a59 = 0x40;
    *(uint8_t*)0x20001a5a = 6;
    *(uint8_t*)0x20001a5b = 9;
    *(uint8_t*)0x20001a5c = 4;
    *(uint8_t*)0x20001a5d = 0;
    *(uint8_t*)0x20001a5e = 0x1f;
    *(uint8_t*)0x20001a5f = 1;
    *(uint8_t*)0x20001a60 = 7;
    *(uint8_t*)0x20001a61 = 1;
    *(uint8_t*)0x20001a62 = 3;
    *(uint8_t*)0x20001a63 = 4;
    *(uint8_t*)0x20001a64 = 9;
    *(uint8_t*)0x20001a65 = 5;
    *(uint8_t*)0x20001a66 = 1;
    *(uint8_t*)0x20001a67 = 2;
    *(uint16_t*)0x20001a68 = 8;
    *(uint8_t*)0x20001a6a = 0;
    *(uint8_t*)0x20001a6b = 3;
    *(uint8_t*)0x20001a6c = 3;
    *(uint8_t*)0x20001a6d = 9;
    *(uint8_t*)0x20001a6e = 5;
    *(uint8_t*)0x20001a6f = 0x82;
    *(uint8_t*)0x20001a70 = 2;
    *(uint16_t*)0x20001a71 = 0x200;
    *(uint8_t*)0x20001a73 = 0x1f;
    *(uint8_t*)0x20001a74 = 6;
    *(uint8_t*)0x20001a75 = 0;
    *(uint32_t*)0x20001bc0 = 0xa;
    *(uint64_t*)0x20001bc4 = 0x20001a80;
    *(uint8_t*)0x20001a80 = 0xa;
    *(uint8_t*)0x20001a81 = 6;
    *(uint16_t*)0x20001a82 = 0x201;
    *(uint8_t*)0x20001a84 = 6;
    *(uint8_t*)0x20001a85 = 8;
    *(uint8_t*)0x20001a86 = 0x3f;
    *(uint8_t*)0x20001a87 = -1;
    *(uint8_t*)0x20001a88 = 0x88;
    *(uint8_t*)0x20001a89 = 0;
    *(uint32_t*)0x20001bcc = 0;
    *(uint64_t*)0x20001bd0 = 0;
    *(uint32_t*)0x20001bd8 = 1;
    *(uint32_t*)0x20001bdc = 2;
    *(uint64_t*)0x20001be0 = 0x20001b00;
    *(uint8_t*)0x20001b00 = 2;
    *(uint8_t*)0x20001b01 = 3;
    syz_usb_connect(5, 0x36, 0x20001a40, 0x20001bc0);
    break;
  case 2:
    *(uint8_t*)0x200001c0 = 0x12;
    *(uint8_t*)0x200001c1 = 1;
    *(uint16_t*)0x200001c2 = 0x201;
    *(uint8_t*)0x200001c4 = 0;
    *(uint8_t*)0x200001c5 = 0;
    *(uint8_t*)0x200001c6 = 0;
    *(uint8_t*)0x200001c7 = 0x20;
    *(uint16_t*)0x200001c8 = 0;
    *(uint16_t*)0x200001ca = 0;
    *(uint16_t*)0x200001cc = 0x40;
    *(uint8_t*)0x200001ce = 1;
    *(uint8_t*)0x200001cf = 2;
    *(uint8_t*)0x200001d0 = 3;
    *(uint8_t*)0x200001d1 = 1;
    *(uint8_t*)0x200001d2 = 9;
    *(uint8_t*)0x200001d3 = 2;
    *(uint16_t*)0x200001d4 = 0x24;
    *(uint8_t*)0x200001d6 = 1;
    *(uint8_t*)0x200001d7 = 1;
    *(uint8_t*)0x200001d8 = 0x3f;
    *(uint8_t*)0x200001d9 = 0xb0;
    *(uint8_t*)0x200001da = 3;
    *(uint8_t*)0x200001db = 9;
    *(uint8_t*)0x200001dc = 4;
    *(uint8_t*)0x200001dd = 0;
    *(uint8_t*)0x200001de = 3;
    *(uint8_t*)0x200001df = 2;
    *(uint8_t*)0x200001e0 = 3;
    *(uint8_t*)0x200001e1 = 1;
    *(uint8_t*)0x200001e2 = 0;
    *(uint8_t*)0x200001e3 = 2;
    *(uint8_t*)0x200001e4 = 9;
    *(uint8_t*)0x200001e5 = 0x21;
    *(uint16_t*)0x200001e6 = 0x6cb;
    *(uint8_t*)0x200001e8 = 2;
    *(uint8_t*)0x200001e9 = 1;
    *(uint8_t*)0x200001ea = 0x22;
    *(uint16_t*)0x200001eb = 0xf73;
    *(uint8_t*)0x200001ed = 9;
    *(uint8_t*)0x200001ee = 5;
    *(uint8_t*)0x200001ef = 0x81;
    *(uint8_t*)0x200001f0 = 3;
    *(uint16_t*)0x200001f1 = 0x3ff;
    *(uint8_t*)0x200001f3 = 8;
    *(uint8_t*)0x200001f4 = 0x1f;
    *(uint8_t*)0x200001f5 = 0;
    *(uint32_t*)0x200006c0 = 0;
    *(uint64_t*)0x200006c4 = 0;
    *(uint32_t*)0x200006cc = 0x2f;
    *(uint64_t*)0x200006d0 = 0x20000240;
    *(uint8_t*)0x20000240 = 5;
    *(uint8_t*)0x20000241 = 0xf;
    *(uint16_t*)0x20000242 = 0x2f;
    *(uint8_t*)0x20000244 = 3;
    *(uint8_t*)0x20000245 = 7;
    *(uint8_t*)0x20000246 = 0x10;
    *(uint8_t*)0x20000247 = 2;
    STORE_BY_BITMASK(uint32_t, , 0x20000248, 4, 0, 8);
    STORE_BY_BITMASK(uint32_t, , 0x20000249, 2, 0, 4);
    STORE_BY_BITMASK(uint32_t, , 0x20000249, 1, 4, 4);
    STORE_BY_BITMASK(uint32_t, , 0x2000024a, 0xb1c8, 0, 16);
    *(uint8_t*)0x2000024c = 3;
    *(uint8_t*)0x2000024d = 0x10;
    *(uint8_t*)0x2000024e = 0xb;
    *(uint8_t*)0x2000024f = 0x20;
    *(uint8_t*)0x20000250 = 0x10;
    *(uint8_t*)0x20000251 = 0xa;
    *(uint8_t*)0x20000252 = 6;
    STORE_BY_BITMASK(uint32_t, , 0x20000253, 5, 0, 5);
    STORE_BY_BITMASK(uint32_t, , 0x20000253, 1, 5, 27);
    *(uint16_t*)0x20000257 = 0xf008;
    *(uint16_t*)0x20000259 = 0xa9d;
    *(uint32_t*)0x2000025b = 0xc030;
    *(uint32_t*)0x2000025f = 0x3f00;
    *(uint32_t*)0x20000263 = 0xff000f;
    *(uint32_t*)0x20000267 = 0xf;
    *(uint32_t*)0x2000026b = 0x3f00;
    *(uint32_t*)0x200006d8 = 0xa;
    *(uint32_t*)0x200006dc = 4;
    *(uint64_t*)0x200006e0 = 0x20000280;
    *(uint8_t*)0x20000280 = 4;
    *(uint8_t*)0x20000281 = 3;
    *(uint16_t*)0x20000282 = 0x421;
    *(uint32_t*)0x200006e8 = 4;
    *(uint64_t*)0x200006ec = 0x200002c0;
    *(uint8_t*)0x200002c0 = 4;
    *(uint8_t*)0x200002c1 = 3;
    *(uint16_t*)0x200002c2 = 0x827;
    *(uint32_t*)0x200006f4 = 0x59;
    *(uint64_t*)0x200006f8 = 0x20000300;
    *(uint8_t*)0x20000300 = 0x59;
    *(uint8_t*)0x20000301 = 3;
    memcpy((void*)0x20000302,
           "\x5a\x83\x9a\xfc\x3f\x2d\xeb\x29\x31\x4e\x9d\xfe\xe5\xd0\x66\xc5"
           "\x79\x84\x4d\x68\xab\xb4\xba\x74\xf5\x67\x2b\x9e\x94\x18\x1d\xac"
           "\xbc\x44\x45\x8e\x1f\xba\xc7\xec\x9d\xc2\x96\xb0\xce\xdf\xac\xad"
           "\x11\x0c\x6b\x3b\x2f\x33\x49\x8c\x3c\x9f\x09\xf8\xf1\x19\x49\xcb"
           "\xf5\xcc\x37\x78\xbe\xfc\xc4\xe3\x73\x07\x68\xe6\x08\x69\x24\xcc"
           "\x84\x5b\x2d\x29\x46\xb1\xcb",
           87);
    *(uint32_t*)0x20000700 = 4;
    *(uint64_t*)0x20000704 = 0x20000380;
    *(uint8_t*)0x20000380 = 4;
    *(uint8_t*)0x20000381 = 3;
    *(uint16_t*)0x20000382 = 0x401;
    *(uint32_t*)0x2000070c = 0x77;
    *(uint64_t*)0x20000710 = 0x200003c0;
    *(uint8_t*)0x200003c0 = 0x77;
    *(uint8_t*)0x200003c1 = 3;
    memcpy(
        (void*)0x200003c2,
        "\x94\xdd\x8e\x2a\xc5\xa5\x3d\x3b\xe2\x47\xba\xcf\x0e\x1b\xcc\x18\x7b"
        "\x9f\x05\x9c\x75\x34\xb9\xdc\x34\x06\x51\x51\x55\xcb\x12\xaa\x02\x99"
        "\x9e\x99\x8c\x30\xc4\xe0\x5a\x6f\x3b\x0b\xe9\x3d\xfb\x2c\x93\x50\x79"
        "\x79\x15\xe6\x6e\xfd\x94\x11\x6f\x19\xa8\x1f\xf1\x87\x99\x9e\x8b\x9c"
        "\xf6\x53\x1f\xa1\x04\xba\x50\xe6\x61\xae\xb4\x53\x76\xb4\xde\x5c\x6e"
        "\x9f\x24\x21\xdf\x01\x0a\xad\x0b\x36\xc3\xba\x87\x94\x29\x2c\x16\xb9"
        "\x7c\xf2\xbd\xcd\x38\x81\x9f\x97\x94\x80\xf6\x7b\xb3\x74\x60",
        117);
    *(uint32_t*)0x20000718 = 0x102;
    *(uint64_t*)0x2000071c = 0x20000440;
    *(uint8_t*)0x20000440 = 2;
    *(uint8_t*)0x20000441 = 3;
    memcpy((void*)0x20000442,
           "\x33\x90\xb2\xf1\xba\xfd\x9d\xaf\xcc\x19\xd9\xa9\xa4\xc2\xa8\x51"
           "\xbc\xb0\xfd\x65\x87\x0d\xc2\xb3\xd4\x6a\x54\xef\xeb\x35\x54\x63"
           "\x72\x3d\x85\xea\x49\xbe\x5f\x64\x18\x9e\x39\x8c\xa0\x37\xaf\x9b"
           "\xf0\x8f\x44\xbc\x36\x22\xaf\xb6\xfc\x1d\xba\xc2\xf1\xb2\x5d\x3b"
           "\x20\xdb\x7f\x3a\xa8\x6c\xd2\x31\x22\x54\x46\xac\x61\x63\xbf\xa7"
           "\x3a\xa4\x24\xfa\xd1\xa8\x1a\x39\xa5\x0b\xf6\x89\x62\xec\x5b\x00"
           "\xdf\x38\xb1\x1f\xeb\xd2\x2d\xe7\xeb\x74\xb7\x1c\x33\x77\x09\xcd"
           "\xb0\x3a\x3e\xf8\x88\x22\x13\x28\x34\x92\x97\xe2\x36\xe3\xa6\x85"
           "\xd5\xf4\xd5\x64\xab\x94\x22\x8b\x20\x4e\xda\x37\x30\xa8\x24\x65"
           "\x64\x2d\x18\x23\xb1\x17\x3d\xe8\xad\xa4\xb8\x9f\x6d\x1e\xaf\xfa"
           "\x62\xc0\xfc\x1a\xf1\x90\x58\x95\x14\xe6\xc3\xb9\xcc\x23\x20\xe9"
           "\xc3\x9e\xf8\x7a\x54\xd9\x3c\xf4\x3e\x86\x35\xe4\x92\x1b\xbd\x2d"
           "\xf9\x20\x53\x8d\xb7\x07\x9b\xe3\x50\xb9\x27\x47\xf7\x2d\x43\x69"
           "\x39\x55\xac\x79\x5e\x12\x72\xb7\x04\xb8\x35\x25\x3e\xa6\x9e\xd7"
           "\x5c\x35\xfe\xdd\x4d\x69\x9f\xb9\xc9\x19\x9d\xbe\x3f\x6c\x65\x63"
           "\xc9\x96\xde\x13\xb2\x55\x9e\x80\x9d\xf6\x94\x56\x74\xdf\x38\x96",
           256);
    *(uint32_t*)0x20000724 = 0;
    *(uint64_t*)0x20000728 = 0;
    *(uint32_t*)0x20000730 = 0;
    *(uint64_t*)0x20000734 = 0;
    *(uint32_t*)0x2000073c = 0;
    *(uint64_t*)0x20000740 = 0;
    *(uint32_t*)0x20000748 = 4;
    *(uint64_t*)0x2000074c = 0x20000680;
    *(uint8_t*)0x20000680 = 4;
    *(uint8_t*)0x20000681 = 3;
    *(uint16_t*)0x20000682 = 0xc1a;
    syz_usb_connect(7, 0x36, 0x200001c0, 0x200006c0);
    break;
  }
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}