// https://syzkaller.appspot.com/bug?id=4af73c50b55e80c610efa6cab1a536d83b094a75
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.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/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/usb/ch9.h>

static unsigned long long procid;

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 bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

#define MAX_FDS 30

#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;
}

#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_EPS_NUM_MAX 30
#define USB_RAW_EP_NAME_MAX 16
#define USB_RAW_EP_ADDR_ANY 0xff

struct usb_raw_ep_caps {
  __u32 type_control : 1;
  __u32 type_iso : 1;
  __u32 type_bulk : 1;
  __u32 type_int : 1;
  __u32 dir_in : 1;
  __u32 dir_out : 1;
};

struct usb_raw_ep_limits {
  __u16 maxpacket_limit;
  __u16 max_streams;
  __u32 reserved;
};

struct usb_raw_ep_info {
  __u8 name[USB_RAW_EP_NAME_MAX];
  __u32 addr;
  struct usb_raw_ep_caps caps;
  struct usb_raw_ep_limits limits;
};

struct usb_raw_eps_info {
  struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX];
};

#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)
#define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info)
#define USB_RAW_IOCTL_EP0_STALL _IO('U', 12)
#define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32)
#define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32)
#define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __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);
}

static int usb_raw_ep0_stall(int fd)
{
  return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 0);
}

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

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_out_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) {
      if (!lookup_connect_response_in(fd, descs, &event.ctrl, &response_data,
                                      &response_length)) {
        usb_raw_ep0_stall(fd);
        continue;
      }
    } else {
      if (!lookup_connect_response_out(fd, descs, &event.ctrl, &done)) {
        usb_raw_ep0_stall(fd);
        continue;
      }
      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);
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      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;
    }
  }
}

void execute_one(void)
{
  *(uint8_t*)0x20002b40 = 0x12;
  *(uint8_t*)0x20002b41 = 1;
  *(uint16_t*)0x20002b42 = 0x110;
  *(uint8_t*)0x20002b44 = 0x12;
  *(uint8_t*)0x20002b45 = 0xda;
  *(uint8_t*)0x20002b46 = 0x83;
  *(uint8_t*)0x20002b47 = 8;
  *(uint16_t*)0x20002b48 = 0x9022;
  *(uint16_t*)0x20002b4a = 0xd632;
  *(uint16_t*)0x20002b4c = 0xfa6d;
  *(uint8_t*)0x20002b4e = 1;
  *(uint8_t*)0x20002b4f = 2;
  *(uint8_t*)0x20002b50 = 3;
  *(uint8_t*)0x20002b51 = 1;
  *(uint8_t*)0x20002b52 = 9;
  *(uint8_t*)0x20002b53 = 2;
  *(uint16_t*)0x20002b54 = 0x1e3;
  *(uint8_t*)0x20002b56 = 3;
  *(uint8_t*)0x20002b57 = 0x87;
  *(uint8_t*)0x20002b58 = 0x87;
  *(uint8_t*)0x20002b59 = 0xd0;
  *(uint8_t*)0x20002b5a = 2;
  *(uint8_t*)0x20002b5b = 9;
  *(uint8_t*)0x20002b5c = 4;
  *(uint8_t*)0x20002b5d = 0x61;
  *(uint8_t*)0x20002b5e = 8;
  *(uint8_t*)0x20002b5f = 0xc;
  *(uint8_t*)0x20002b60 = 0xd2;
  *(uint8_t*)0x20002b61 = 0x30;
  *(uint8_t*)0x20002b62 = 0x90;
  *(uint8_t*)0x20002b63 = 2;
  *(uint8_t*)0x20002b64 = 9;
  *(uint8_t*)0x20002b65 = 5;
  *(uint8_t*)0x20002b66 = 6;
  *(uint8_t*)0x20002b67 = 0x10;
  *(uint16_t*)0x20002b68 = 0x400;
  *(uint8_t*)0x20002b6a = 3;
  *(uint8_t*)0x20002b6b = 7;
  *(uint8_t*)0x20002b6c = 0;
  *(uint8_t*)0x20002b6d = 9;
  *(uint8_t*)0x20002b6e = 5;
  *(uint8_t*)0x20002b6f = 1;
  *(uint8_t*)0x20002b70 = 1;
  *(uint16_t*)0x20002b71 = 0x3ff;
  *(uint8_t*)0x20002b73 = 0x48;
  *(uint8_t*)0x20002b74 = 0x6b;
  *(uint8_t*)0x20002b75 = 0x20;
  *(uint8_t*)0x20002b76 = 7;
  *(uint8_t*)0x20002b77 = 0x25;
  *(uint8_t*)0x20002b78 = 1;
  *(uint8_t*)0x20002b79 = 0x81;
  *(uint8_t*)0x20002b7a = 0x85;
  *(uint16_t*)0x20002b7b = 0xae;
  *(uint8_t*)0x20002b7d = 2;
  *(uint8_t*)0x20002b7e = 6;
  *(uint8_t*)0x20002b7f = 9;
  *(uint8_t*)0x20002b80 = 5;
  *(uint8_t*)0x20002b81 = 6;
  *(uint8_t*)0x20002b82 = 0xc;
  *(uint16_t*)0x20002b83 = 0x200;
  *(uint8_t*)0x20002b85 = 0x95;
  *(uint8_t*)0x20002b86 = 0xb9;
  *(uint8_t*)0x20002b87 = 0;
  *(uint8_t*)0x20002b88 = 7;
  *(uint8_t*)0x20002b89 = 0x25;
  *(uint8_t*)0x20002b8a = 1;
  *(uint8_t*)0x20002b8b = 0x80;
  *(uint8_t*)0x20002b8c = 2;
  *(uint16_t*)0x20002b8d = 9;
  *(uint8_t*)0x20002b8f = 9;
  *(uint8_t*)0x20002b90 = 5;
  *(uint8_t*)0x20002b91 = 0xe;
  *(uint8_t*)0x20002b92 = 2;
  *(uint16_t*)0x20002b93 = 0x10;
  *(uint8_t*)0x20002b95 = 3;
  *(uint8_t*)0x20002b96 = 0x20;
  *(uint8_t*)0x20002b97 = 0x20;
  *(uint8_t*)0x20002b98 = 7;
  *(uint8_t*)0x20002b99 = 0x25;
  *(uint8_t*)0x20002b9a = 1;
  *(uint8_t*)0x20002b9b = 0;
  *(uint8_t*)0x20002b9c = 0x80;
  *(uint16_t*)0x20002b9d = 0x648;
  *(uint8_t*)0x20002b9f = 9;
  *(uint8_t*)0x20002ba0 = 5;
  *(uint8_t*)0x20002ba1 = 0;
  *(uint8_t*)0x20002ba2 = 0;
  *(uint16_t*)0x20002ba3 = 0x200;
  *(uint8_t*)0x20002ba5 = 6;
  *(uint8_t*)0x20002ba6 = 0x9e;
  *(uint8_t*)0x20002ba7 = 4;
  *(uint8_t*)0x20002ba8 = 2;
  *(uint8_t*)0x20002ba9 = 7;
  *(uint8_t*)0x20002baa = 2;
  *(uint8_t*)0x20002bab = 9;
  *(uint8_t*)0x20002bac = 9;
  *(uint8_t*)0x20002bad = 5;
  *(uint8_t*)0x20002bae = 8;
  *(uint8_t*)0x20002baf = 0xc;
  *(uint16_t*)0x20002bb0 = 0x400;
  *(uint8_t*)0x20002bb2 = 0x1e;
  *(uint8_t*)0x20002bb3 = 8;
  *(uint8_t*)0x20002bb4 = 3;
  *(uint8_t*)0x20002bb5 = 2;
  *(uint8_t*)0x20002bb6 = 0x24;
  *(uint8_t*)0x20002bb7 = 2;
  *(uint8_t*)0x20002bb8 = 0xf;
  *(uint8_t*)0x20002bb9 = 9;
  *(uint8_t*)0x20002bba = 5;
  *(uint8_t*)0x20002bbb = 5;
  *(uint8_t*)0x20002bbc = 4;
  *(uint16_t*)0x20002bbd = 0x40;
  *(uint8_t*)0x20002bbf = 0;
  *(uint8_t*)0x20002bc0 = 2;
  *(uint8_t*)0x20002bc1 = 0;
  *(uint8_t*)0x20002bc2 = 9;
  *(uint8_t*)0x20002bc3 = 5;
  *(uint8_t*)0x20002bc4 = 0xf;
  *(uint8_t*)0x20002bc5 = 3;
  *(uint16_t*)0x20002bc6 = 0x20;
  *(uint8_t*)0x20002bc8 = -1;
  *(uint8_t*)0x20002bc9 = 0;
  *(uint8_t*)0x20002bca = 0;
  *(uint8_t*)0x20002bcb = 7;
  *(uint8_t*)0x20002bcc = 0x25;
  *(uint8_t*)0x20002bcd = 1;
  *(uint8_t*)0x20002bce = 0x81;
  *(uint8_t*)0x20002bcf = 8;
  *(uint16_t*)0x20002bd0 = 5;
  *(uint8_t*)0x20002bd2 = 9;
  *(uint8_t*)0x20002bd3 = 5;
  *(uint8_t*)0x20002bd4 = 0x80;
  *(uint8_t*)0x20002bd5 = 0x10;
  *(uint16_t*)0x20002bd6 = 8;
  *(uint8_t*)0x20002bd8 = 0x20;
  *(uint8_t*)0x20002bd9 = 0;
  *(uint8_t*)0x20002bda = 0;
  *(uint8_t*)0x20002bdb = 7;
  *(uint8_t*)0x20002bdc = 0x25;
  *(uint8_t*)0x20002bdd = 1;
  *(uint8_t*)0x20002bde = 1;
  *(uint8_t*)0x20002bdf = 4;
  *(uint16_t*)0x20002be0 = 0x1000;
  *(uint8_t*)0x20002be2 = 9;
  *(uint8_t*)0x20002be3 = 5;
  *(uint8_t*)0x20002be4 = 3;
  *(uint8_t*)0x20002be5 = 1;
  *(uint16_t*)0x20002be6 = 0;
  *(uint8_t*)0x20002be8 = -1;
  *(uint8_t*)0x20002be9 = -1;
  *(uint8_t*)0x20002bea = 8;
  *(uint8_t*)0x20002beb = 9;
  *(uint8_t*)0x20002bec = 5;
  *(uint8_t*)0x20002bed = 0xb;
  *(uint8_t*)0x20002bee = 2;
  *(uint16_t*)0x20002bef = 8;
  *(uint8_t*)0x20002bf1 = 0x4d;
  *(uint8_t*)0x20002bf2 = 5;
  *(uint8_t*)0x20002bf3 = 1;
  *(uint8_t*)0x20002bf4 = 2;
  *(uint8_t*)0x20002bf5 = 0x24;
  *(uint8_t*)0x20002bf6 = 9;
  *(uint8_t*)0x20002bf7 = 5;
  *(uint8_t*)0x20002bf8 = 0;
  *(uint8_t*)0x20002bf9 = 3;
  *(uint16_t*)0x20002bfa = 0x40;
  *(uint8_t*)0x20002bfc = 0x7f;
  *(uint8_t*)0x20002bfd = 0x28;
  *(uint8_t*)0x20002bfe = 0x20;
  *(uint8_t*)0x20002bff = 9;
  *(uint8_t*)0x20002c00 = 4;
  *(uint8_t*)0x20002c01 = 0x28;
  *(uint8_t*)0x20002c02 = 6;
  *(uint8_t*)0x20002c03 = 0xa;
  *(uint8_t*)0x20002c04 = 0x83;
  *(uint8_t*)0x20002c05 = 0x29;
  *(uint8_t*)0x20002c06 = 0x37;
  *(uint8_t*)0x20002c07 = 0x46;
  *(uint8_t*)0x20002c08 = 5;
  *(uint8_t*)0x20002c09 = 0x24;
  *(uint8_t*)0x20002c0a = 6;
  *(uint8_t*)0x20002c0b = 0;
  *(uint8_t*)0x20002c0c = 1;
  *(uint8_t*)0x20002c0d = 5;
  *(uint8_t*)0x20002c0e = 0x24;
  *(uint8_t*)0x20002c0f = 0;
  *(uint16_t*)0x20002c10 = -1;
  *(uint8_t*)0x20002c12 = 0xd;
  *(uint8_t*)0x20002c13 = 0x24;
  *(uint8_t*)0x20002c14 = 0xf;
  *(uint8_t*)0x20002c15 = 1;
  *(uint32_t*)0x20002c16 = 1;
  *(uint16_t*)0x20002c1a = 7;
  *(uint16_t*)0x20002c1c = 0x7fff;
  *(uint8_t*)0x20002c1e = 5;
  *(uint8_t*)0x20002c1f = 6;
  *(uint8_t*)0x20002c20 = 0x24;
  *(uint8_t*)0x20002c21 = 0x1a;
  *(uint16_t*)0x20002c22 = 3;
  *(uint8_t*)0x20002c24 = 0x20;
  *(uint8_t*)0x20002c25 = 8;
  *(uint8_t*)0x20002c26 = 0x24;
  *(uint8_t*)0x20002c27 = 0x1c;
  *(uint16_t*)0x20002c28 = 0xf801;
  *(uint8_t*)0x20002c2a = 0x7f;
  *(uint16_t*)0x20002c2b = 0xfc01;
  *(uint8_t*)0x20002c2d = 6;
  *(uint8_t*)0x20002c2e = 0x24;
  *(uint8_t*)0x20002c2f = 7;
  *(uint8_t*)0x20002c30 = 0xfa;
  *(uint16_t*)0x20002c31 = 0x8000;
  *(uint8_t*)0x20002c33 = 0x15;
  *(uint8_t*)0x20002c34 = 0x24;
  *(uint8_t*)0x20002c35 = 0x12;
  *(uint16_t*)0x20002c36 = 0x7ff;
  *(uint64_t*)0x20002c38 = 0x14f5e048ba817a3;
  *(uint64_t*)0x20002c40 = 0x2a397ecbffc007a6;
  *(uint8_t*)0x20002c48 = 0x15;
  *(uint8_t*)0x20002c49 = 0x24;
  *(uint8_t*)0x20002c4a = 0x12;
  *(uint16_t*)0x20002c4b = 0;
  *(uint64_t*)0x20002c4d = 0x14f5e048ba817a3;
  *(uint64_t*)0x20002c55 = 0x2a397ecbffc007a6;
  *(uint8_t*)0x20002c5d = 4;
  *(uint8_t*)0x20002c5e = 0x24;
  *(uint8_t*)0x20002c5f = 0x13;
  *(uint8_t*)0x20002c60 = 0x72;
  *(uint8_t*)0x20002c61 = 9;
  *(uint8_t*)0x20002c62 = 5;
  *(uint8_t*)0x20002c63 = 0xd;
  *(uint8_t*)0x20002c64 = 0x12;
  *(uint16_t*)0x20002c65 = 0x10;
  *(uint8_t*)0x20002c67 = 3;
  *(uint8_t*)0x20002c68 = 2;
  *(uint8_t*)0x20002c69 = 0x9d;
  *(uint8_t*)0x20002c6a = 2;
  *(uint8_t*)0x20002c6b = 0x30;
  *(uint8_t*)0x20002c6c = 7;
  *(uint8_t*)0x20002c6d = 0x25;
  *(uint8_t*)0x20002c6e = 1;
  *(uint8_t*)0x20002c6f = 1;
  *(uint8_t*)0x20002c70 = 4;
  *(uint16_t*)0x20002c71 = 0x408;
  *(uint8_t*)0x20002c73 = 9;
  *(uint8_t*)0x20002c74 = 5;
  *(uint8_t*)0x20002c75 = 1;
  *(uint8_t*)0x20002c76 = 0;
  *(uint16_t*)0x20002c77 = 0x3ff;
  *(uint8_t*)0x20002c79 = 9;
  *(uint8_t*)0x20002c7a = 2;
  *(uint8_t*)0x20002c7b = 0x36;
  *(uint8_t*)0x20002c7c = 7;
  *(uint8_t*)0x20002c7d = 0x25;
  *(uint8_t*)0x20002c7e = 1;
  *(uint8_t*)0x20002c7f = 0x80;
  *(uint8_t*)0x20002c80 = 0x20;
  *(uint16_t*)0x20002c81 = 1;
  *(uint8_t*)0x20002c83 = 7;
  *(uint8_t*)0x20002c84 = 0x25;
  *(uint8_t*)0x20002c85 = 1;
  *(uint8_t*)0x20002c86 = 2;
  *(uint8_t*)0x20002c87 = 1;
  *(uint16_t*)0x20002c88 = 3;
  *(uint8_t*)0x20002c8a = 9;
  *(uint8_t*)0x20002c8b = 5;
  *(uint8_t*)0x20002c8c = 0xd;
  *(uint8_t*)0x20002c8d = 2;
  *(uint16_t*)0x20002c8e = 0x3ff;
  *(uint8_t*)0x20002c90 = 3;
  *(uint8_t*)0x20002c91 = 1;
  *(uint8_t*)0x20002c92 = 2;
  *(uint8_t*)0x20002c93 = 7;
  *(uint8_t*)0x20002c94 = 0x25;
  *(uint8_t*)0x20002c95 = 1;
  *(uint8_t*)0x20002c96 = 0x83;
  *(uint8_t*)0x20002c97 = 1;
  *(uint16_t*)0x20002c98 = 0x8000;
  *(uint8_t*)0x20002c9a = 2;
  *(uint8_t*)0x20002c9b = 0x21;
  *(uint8_t*)0x20002c9c = 9;
  *(uint8_t*)0x20002c9d = 5;
  *(uint8_t*)0x20002c9e = 0xa;
  *(uint8_t*)0x20002c9f = 0;
  *(uint16_t*)0x20002ca0 = 0x20;
  *(uint8_t*)0x20002ca2 = 9;
  *(uint8_t*)0x20002ca3 = 0;
  *(uint8_t*)0x20002ca4 = 0xdb;
  *(uint8_t*)0x20002ca5 = 7;
  *(uint8_t*)0x20002ca6 = 0x25;
  *(uint8_t*)0x20002ca7 = 1;
  *(uint8_t*)0x20002ca8 = 0x80;
  *(uint8_t*)0x20002ca9 = 0x71;
  *(uint16_t*)0x20002caa = 1;
  *(uint8_t*)0x20002cac = 2;
  *(uint8_t*)0x20002cad = 8;
  *(uint8_t*)0x20002cae = 9;
  *(uint8_t*)0x20002caf = 5;
  *(uint8_t*)0x20002cb0 = 6;
  *(uint8_t*)0x20002cb1 = 1;
  *(uint16_t*)0x20002cb2 = 8;
  *(uint8_t*)0x20002cb4 = 3;
  *(uint8_t*)0x20002cb5 = 7;
  *(uint8_t*)0x20002cb6 = 1;
  *(uint8_t*)0x20002cb7 = 7;
  *(uint8_t*)0x20002cb8 = 0x25;
  *(uint8_t*)0x20002cb9 = 1;
  *(uint8_t*)0x20002cba = 1;
  *(uint8_t*)0x20002cbb = 0x3a;
  *(uint16_t*)0x20002cbc = 0;
  *(uint8_t*)0x20002cbe = 9;
  *(uint8_t*)0x20002cbf = 5;
  *(uint8_t*)0x20002cc0 = 1;
  *(uint8_t*)0x20002cc1 = 0;
  *(uint16_t*)0x20002cc2 = 0x20;
  *(uint8_t*)0x20002cc4 = 0;
  *(uint8_t*)0x20002cc5 = 9;
  *(uint8_t*)0x20002cc6 = -1;
  *(uint8_t*)0x20002cc7 = 9;
  *(uint8_t*)0x20002cc8 = 5;
  *(uint8_t*)0x20002cc9 = 0xe;
  *(uint8_t*)0x20002cca = 0x10;
  *(uint16_t*)0x20002ccb = 0x3c7;
  *(uint8_t*)0x20002ccd = 0x40;
  *(uint8_t*)0x20002cce = 0x57;
  *(uint8_t*)0x20002ccf = 0;
  *(uint8_t*)0x20002cd0 = 9;
  *(uint8_t*)0x20002cd1 = 5;
  *(uint8_t*)0x20002cd2 = 9;
  *(uint8_t*)0x20002cd3 = 0x10;
  *(uint16_t*)0x20002cd4 = 0x10;
  *(uint8_t*)0x20002cd6 = 0x7f;
  *(uint8_t*)0x20002cd7 = 9;
  *(uint8_t*)0x20002cd8 = 8;
  *(uint8_t*)0x20002cd9 = 7;
  *(uint8_t*)0x20002cda = 0x25;
  *(uint8_t*)0x20002cdb = 1;
  *(uint8_t*)0x20002cdc = 0x80;
  *(uint8_t*)0x20002cdd = 1;
  *(uint16_t*)0x20002cde = 6;
  *(uint8_t*)0x20002ce0 = 2;
  *(uint8_t*)0x20002ce1 = 0x24;
  *(uint8_t*)0x20002ce2 = 9;
  *(uint8_t*)0x20002ce3 = 5;
  *(uint8_t*)0x20002ce4 = 0;
  *(uint8_t*)0x20002ce5 = 2;
  *(uint16_t*)0x20002ce6 = 0x400;
  *(uint8_t*)0x20002ce8 = 6;
  *(uint8_t*)0x20002ce9 = 3;
  *(uint8_t*)0x20002cea = 0x80;
  *(uint8_t*)0x20002ceb = 9;
  *(uint8_t*)0x20002cec = 5;
  *(uint8_t*)0x20002ced = 8;
  *(uint8_t*)0x20002cee = 5;
  *(uint16_t*)0x20002cef = 0x10;
  *(uint8_t*)0x20002cf1 = 0x1f;
  *(uint8_t*)0x20002cf2 = 8;
  *(uint8_t*)0x20002cf3 = 0x79;
  *(uint8_t*)0x20002cf4 = 9;
  *(uint8_t*)0x20002cf5 = 4;
  *(uint8_t*)0x20002cf6 = 0xbd;
  *(uint8_t*)0x20002cf7 = 1;
  *(uint8_t*)0x20002cf8 = 5;
  *(uint8_t*)0x20002cf9 = 0x48;
  *(uint8_t*)0x20002cfa = 0xfc;
  *(uint8_t*)0x20002cfb = 0x8c;
  *(uint8_t*)0x20002cfc = 5;
  *(uint8_t*)0x20002cfd = 9;
  *(uint8_t*)0x20002cfe = 5;
  *(uint8_t*)0x20002cff = 5;
  *(uint8_t*)0x20002d00 = 0x10;
  *(uint16_t*)0x20002d01 = 0x3ff;
  *(uint8_t*)0x20002d03 = 0x6e;
  *(uint8_t*)0x20002d04 = 1;
  *(uint8_t*)0x20002d05 = 7;
  *(uint8_t*)0x20002d06 = 2;
  *(uint8_t*)0x20002d07 = 5;
  *(uint8_t*)0x20002d08 = 2;
  *(uint8_t*)0x20002d09 = 2;
  *(uint8_t*)0x20002d0a = 9;
  *(uint8_t*)0x20002d0b = 5;
  *(uint8_t*)0x20002d0c = 0x8b;
  *(uint8_t*)0x20002d0d = 3;
  *(uint16_t*)0x20002d0e = 0x40;
  *(uint8_t*)0x20002d10 = 0x1f;
  *(uint8_t*)0x20002d11 = 3;
  *(uint8_t*)0x20002d12 = 5;
  *(uint8_t*)0x20002d13 = 9;
  *(uint8_t*)0x20002d14 = 5;
  *(uint8_t*)0x20002d15 = 5;
  *(uint8_t*)0x20002d16 = 0x10;
  *(uint16_t*)0x20002d17 = 0x20;
  *(uint8_t*)0x20002d19 = 0x81;
  *(uint8_t*)0x20002d1a = 0x40;
  *(uint8_t*)0x20002d1b = 4;
  *(uint8_t*)0x20002d1c = 9;
  *(uint8_t*)0x20002d1d = 5;
  *(uint8_t*)0x20002d1e = 0xc;
  *(uint8_t*)0x20002d1f = 4;
  *(uint16_t*)0x20002d20 = 0x10;
  *(uint8_t*)0x20002d22 = 0x20;
  *(uint8_t*)0x20002d23 = 9;
  *(uint8_t*)0x20002d24 = 0;
  *(uint8_t*)0x20002d25 = 9;
  *(uint8_t*)0x20002d26 = 5;
  *(uint8_t*)0x20002d27 = 0x80;
  *(uint8_t*)0x20002d28 = 0;
  *(uint16_t*)0x20002d29 = 0x20;
  *(uint8_t*)0x20002d2b = 0x20;
  *(uint8_t*)0x20002d2c = 0;
  *(uint8_t*)0x20002d2d = 0xc;
  *(uint8_t*)0x20002d2e = 7;
  *(uint8_t*)0x20002d2f = 0x25;
  *(uint8_t*)0x20002d30 = 1;
  *(uint8_t*)0x20002d31 = 2;
  *(uint8_t*)0x20002d32 = 8;
  *(uint16_t*)0x20002d33 = 0x8000;
  syz_usb_connect(3, 0x1f5, 0x20002b40, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  loop();
  return 0;
}