// https://syzkaller.appspot.com/bug?id=3570cacb1ec6009b2dad0c6989806d9d4f89bb6c
// 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 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;
}

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;
}

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,
                           struct usb_qualifier_descriptor* qual,
                           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) {
          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_data = (char*)qual;
          *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_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_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_event_fetch(int fd, struct usb_raw_event* event)
{
  return ioctl(fd, USB_RAW_IOCTL_EVENT_FETCH, event);
}

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_ep0_stall(int fd)
{
  return ioctl(fd, USB_RAW_IOCTL_EP0_STALL, 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 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;
}

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;
    struct usb_qualifier_descriptor qual;
    if (event.ctrl.bRequestType & USB_DIR_IN) {
      if (!lookup_connect_response_in(fd, descs, &event.ctrl, &qual,
                                      &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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

void execute_one(void)
{
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x80084504, /*arg=*/0ul);
  *(uint8_t*)0x20001240 = 0x12;
  *(uint8_t*)0x20001241 = 1;
  *(uint16_t*)0x20001242 = 0x200;
  *(uint8_t*)0x20001244 = 0xe6;
  *(uint8_t*)0x20001245 = 0x6b;
  *(uint8_t*)0x20001246 = 0xf;
  *(uint8_t*)0x20001247 = 0x40;
  *(uint16_t*)0x20001248 = 0x5c6;
  *(uint16_t*)0x2000124a = 0x920b;
  *(uint16_t*)0x2000124c = 0x8e8a;
  *(uint8_t*)0x2000124e = 1;
  *(uint8_t*)0x2000124f = 2;
  *(uint8_t*)0x20001250 = 3;
  *(uint8_t*)0x20001251 = 1;
  *(uint8_t*)0x20001252 = 9;
  *(uint8_t*)0x20001253 = 2;
  *(uint16_t*)0x20001254 = 0x321;
  *(uint8_t*)0x20001256 = 2;
  *(uint8_t*)0x20001257 = 2;
  *(uint8_t*)0x20001258 = 3;
  *(uint8_t*)0x20001259 = 0x40;
  *(uint8_t*)0x2000125a = 0x40;
  *(uint8_t*)0x2000125b = 9;
  *(uint8_t*)0x2000125c = 4;
  *(uint8_t*)0x2000125d = 0;
  *(uint8_t*)0x2000125e = 2;
  *(uint8_t*)0x2000125f = 0xd;
  *(uint8_t*)0x20001260 = 0xf1;
  *(uint8_t*)0x20001261 = 0x60;
  *(uint8_t*)0x20001262 = 2;
  *(uint8_t*)0x20001263 = 1;
  *(uint8_t*)0x20001264 = 9;
  *(uint8_t*)0x20001265 = 5;
  *(uint8_t*)0x20001266 = 6;
  *(uint8_t*)0x20001267 = 0;
  *(uint16_t*)0x20001268 = 0x400;
  *(uint8_t*)0x2000126a = 1;
  *(uint8_t*)0x2000126b = 1;
  *(uint8_t*)0x2000126c = 4;
  *(uint8_t*)0x2000126d = 2;
  *(uint8_t*)0x2000126e = 0x30;
  *(uint8_t*)0x2000126f = 9;
  *(uint8_t*)0x20001270 = 5;
  *(uint8_t*)0x20001271 = 0;
  *(uint8_t*)0x20001272 = 0;
  *(uint16_t*)0x20001273 = 0x20;
  *(uint8_t*)0x20001275 = 0x40;
  *(uint8_t*)0x20001276 = 0x81;
  *(uint8_t*)0x20001277 = 7;
  *(uint8_t*)0x20001278 = 7;
  *(uint8_t*)0x20001279 = 0x25;
  *(uint8_t*)0x2000127a = 1;
  *(uint8_t*)0x2000127b = 2;
  *(uint8_t*)0x2000127c = 5;
  *(uint16_t*)0x2000127d = 0x16a8;
  *(uint8_t*)0x2000127f = 9;
  *(uint8_t*)0x20001280 = 5;
  *(uint8_t*)0x20001281 = 6;
  *(uint8_t*)0x20001282 = 0x10;
  *(uint16_t*)0x20001283 = 0x5b0d;
  *(uint8_t*)0x20001285 = 5;
  *(uint8_t*)0x20001286 = 6;
  *(uint8_t*)0x20001287 = 6;
  *(uint8_t*)0x20001288 = 9;
  *(uint8_t*)0x20001289 = 5;
  *(uint8_t*)0x2000128a = 5;
  *(uint8_t*)0x2000128b = 1;
  *(uint16_t*)0x2000128c = 0x3ff;
  *(uint8_t*)0x2000128e = 0x1f;
  *(uint8_t*)0x2000128f = 1;
  *(uint8_t*)0x20001290 = -1;
  *(uint8_t*)0x20001291 = 7;
  *(uint8_t*)0x20001292 = 0x25;
  *(uint8_t*)0x20001293 = 1;
  *(uint8_t*)0x20001294 = 1;
  *(uint8_t*)0x20001295 = 0x40;
  *(uint16_t*)0x20001296 = 0x81;
  *(uint8_t*)0x20001298 = 7;
  *(uint8_t*)0x20001299 = 0x25;
  *(uint8_t*)0x2000129a = 1;
  *(uint8_t*)0x2000129b = 0;
  *(uint8_t*)0x2000129c = 0x20;
  *(uint16_t*)0x2000129d = 0x81;
  *(uint8_t*)0x2000129f = 9;
  *(uint8_t*)0x200012a0 = 5;
  *(uint8_t*)0x200012a1 = 3;
  *(uint8_t*)0x200012a2 = 4;
  *(uint16_t*)0x200012a3 = 8;
  *(uint8_t*)0x200012a5 = 8;
  *(uint8_t*)0x200012a6 = 5;
  *(uint8_t*)0x200012a7 = 2;
  *(uint8_t*)0x200012a8 = 2;
  *(uint8_t*)0x200012a9 = 0xc;
  *(uint8_t*)0x200012aa = 2;
  *(uint8_t*)0x200012ab = 0xa;
  *(uint8_t*)0x200012ac = 9;
  *(uint8_t*)0x200012ad = 5;
  *(uint8_t*)0x200012ae = 0xb;
  *(uint8_t*)0x200012af = 0xc;
  *(uint16_t*)0x200012b0 = 0x20;
  *(uint8_t*)0x200012b2 = 2;
  *(uint8_t*)0x200012b3 = 0x7f;
  *(uint8_t*)0x200012b4 = 0x12;
  *(uint8_t*)0x200012b5 = 2;
  *(uint8_t*)0x200012b6 = 1;
  *(uint8_t*)0x200012b7 = 0x94;
  *(uint8_t*)0x200012b8 = 4;
  memcpy((void*)0x200012b9,
         "\x81\x32\xf7\xda\x7f\x1c\x50\x7a\xc2\xb3\x34\x00\xe0\x4f\x9c\x57\xc2"
         "\x52\x20\xbe\x9b\xcd\xec\xd1\xb6\x0a\x70\x53\xa0\x83\x95\xd4\x16\x06"
         "\x88\x0e\x7e\xd8\x52\xa0\x04\x8d\x7b\x2a\xa5\x86\xb6\x58\x15\x5b\xd4"
         "\x4e\xc4\xd9\x02\x72\x5a\xca\x93\x2d\xcc\x65\x30\xd4\xe0\xda\xb1\x72"
         "\xc4\xe9\x91\x9b\xbd\x54\xcb\x5c\xfa\x0e\xb3\x96\x46\x26\x3a\xa8\xae"
         "\x6c\x45\x22\xdd\xae\x3c\x7c\x3e\x55\xc5\xfa\x65\xaf\x58\xbf\xeb\x83"
         "\x16\xe0\x64\xa1\xa5\x22\xc7\xb5\x4b\xda\x57\x2e\x9d\x66\x8e\x37\x25"
         "\xec\x33\x50\x34\x88\x52\x54\x60\xca\xed\x6e\x14\xf2\x52\x0c\x47\x6c"
         "\x18\x8f\x8e\x57\xb4\x50\xcd\x2f\xf0\x88",
         146);
  *(uint8_t*)0x2000134b = 9;
  *(uint8_t*)0x2000134c = 5;
  *(uint8_t*)0x2000134d = 0xf;
  *(uint8_t*)0x2000134e = 0x10;
  *(uint16_t*)0x2000134f = 0x3ef;
  *(uint8_t*)0x20001351 = 0xaf;
  *(uint8_t*)0x20001352 = 4;
  *(uint8_t*)0x20001353 = 0x7f;
  *(uint8_t*)0x20001354 = 9;
  *(uint8_t*)0x20001355 = 5;
  *(uint8_t*)0x20001356 = 9;
  *(uint8_t*)0x20001357 = 0;
  *(uint16_t*)0x20001358 = 0x3ff;
  *(uint8_t*)0x2000135a = 0x6b;
  *(uint8_t*)0x2000135b = 0xfe;
  *(uint8_t*)0x2000135c = 2;
  *(uint8_t*)0x2000135d = 9;
  *(uint8_t*)0x2000135e = 5;
  *(uint8_t*)0x2000135f = 0x84;
  *(uint8_t*)0x20001360 = 4;
  *(uint16_t*)0x20001361 = 0x10;
  *(uint8_t*)0x20001363 = 9;
  *(uint8_t*)0x20001364 = 8;
  *(uint8_t*)0x20001365 = 3;
  *(uint8_t*)0x20001366 = 2;
  *(uint8_t*)0x20001367 = 7;
  *(uint8_t*)0x20001368 = 9;
  *(uint8_t*)0x20001369 = 5;
  *(uint8_t*)0x2000136a = 0xa;
  *(uint8_t*)0x2000136b = 0x10;
  *(uint16_t*)0x2000136c = 0x20;
  *(uint8_t*)0x2000136e = 0x81;
  *(uint8_t*)0x2000136f = 0x20;
  *(uint8_t*)0x20001370 = 1;
  *(uint8_t*)0x20001371 = 7;
  *(uint8_t*)0x20001372 = 0x25;
  *(uint8_t*)0x20001373 = 1;
  *(uint8_t*)0x20001374 = 0x83;
  *(uint8_t*)0x20001375 = -1;
  *(uint16_t*)0x20001376 = 0x4b;
  *(uint8_t*)0x20001378 = 9;
  *(uint8_t*)0x20001379 = 5;
  *(uint8_t*)0x2000137a = 4;
  *(uint8_t*)0x2000137b = 0x10;
  *(uint16_t*)0x2000137c = 0x52b2;
  *(uint8_t*)0x2000137e = 0;
  *(uint8_t*)0x2000137f = 0x3f;
  *(uint8_t*)0x20001380 = 1;
  *(uint8_t*)0x20001381 = 7;
  *(uint8_t*)0x20001382 = 0x25;
  *(uint8_t*)0x20001383 = 1;
  *(uint8_t*)0x20001384 = 0x83;
  *(uint8_t*)0x20001385 = 0x80;
  *(uint16_t*)0x20001386 = 0x80;
  *(uint8_t*)0x20001388 = 2;
  *(uint8_t*)0x20001389 = 0xd;
  *(uint8_t*)0x2000138a = 9;
  *(uint8_t*)0x2000138b = 5;
  *(uint8_t*)0x2000138c = 4;
  *(uint8_t*)0x2000138d = 0x10;
  *(uint16_t*)0x2000138e = 0x40;
  *(uint8_t*)0x20001390 = 8;
  *(uint8_t*)0x20001391 = 0x7f;
  *(uint8_t*)0x20001392 = 8;
  *(uint8_t*)0x20001393 = 2;
  *(uint8_t*)0x20001394 = 0x22;
  *(uint8_t*)0x20001395 = 7;
  *(uint8_t*)0x20001396 = 0x25;
  *(uint8_t*)0x20001397 = 1;
  *(uint8_t*)0x20001398 = 0x42;
  *(uint8_t*)0x20001399 = 8;
  *(uint16_t*)0x2000139a = 0x8001;
  *(uint8_t*)0x2000139c = 9;
  *(uint8_t*)0x2000139d = 5;
  *(uint8_t*)0x2000139e = 8;
  *(uint8_t*)0x2000139f = 3;
  *(uint16_t*)0x200013a0 = 0x200;
  *(uint8_t*)0x200013a2 = 6;
  *(uint8_t*)0x200013a3 = -1;
  *(uint8_t*)0x200013a4 = 7;
  *(uint8_t*)0x200013a5 = 9;
  *(uint8_t*)0x200013a6 = 4;
  *(uint8_t*)0x200013a7 = 0x11;
  *(uint8_t*)0x200013a8 = 7;
  *(uint8_t*)0x200013a9 = 0xd;
  *(uint8_t*)0x200013aa = 3;
  *(uint8_t*)0x200013ab = 0;
  *(uint8_t*)0x200013ac = 0;
  *(uint8_t*)0x200013ad = 0x40;
  *(uint8_t*)0x200013ae = 5;
  *(uint8_t*)0x200013af = 0x24;
  *(uint8_t*)0x200013b0 = 6;
  *(uint8_t*)0x200013b1 = 0;
  *(uint8_t*)0x200013b2 = 0;
  *(uint8_t*)0x200013b3 = 5;
  *(uint8_t*)0x200013b4 = 0x24;
  *(uint8_t*)0x200013b5 = 0;
  *(uint16_t*)0x200013b6 = 0x1ed4;
  *(uint8_t*)0x200013b8 = 0xd;
  *(uint8_t*)0x200013b9 = 0x24;
  *(uint8_t*)0x200013ba = 0xf;
  *(uint8_t*)0x200013bb = 1;
  *(uint32_t*)0x200013bc = 1;
  *(uint16_t*)0x200013c0 = 0x40;
  *(uint16_t*)0x200013c2 = 4;
  *(uint8_t*)0x200013c4 = 0x20;
  *(uint8_t*)0x200013c5 = 4;
  *(uint8_t*)0x200013c6 = 0x24;
  *(uint8_t*)0x200013c7 = 0x13;
  *(uint8_t*)0x200013c8 = 0;
  *(uint8_t*)0x200013c9 = 0xa;
  *(uint8_t*)0x200013ca = 0x24;
  *(uint8_t*)0x200013cb = 1;
  *(uint16_t*)0x200013cc = 0;
  *(uint8_t*)0x200013ce = 6;
  *(uint8_t*)0x200013cf = 2;
  *(uint8_t*)0x200013d0 = 1;
  *(uint8_t*)0x200013d1 = 2;
  *(uint8_t*)0x200013d2 = 9;
  *(uint8_t*)0x200013d3 = 0x24;
  *(uint8_t*)0x200013d4 = 6;
  *(uint8_t*)0x200013d5 = 2;
  *(uint8_t*)0x200013d6 = 2;
  *(uint8_t*)0x200013d7 = 1;
  *(uint16_t*)0x200013d8 = 5;
  *(uint8_t*)0x200013da = 6;
  *(uint8_t*)0x200013db = 6;
  *(uint8_t*)0x200013dc = 0x24;
  *(uint8_t*)0x200013dd = 4;
  *(uint8_t*)0x200013de = 5;
  *(uint8_t*)0x200013df = 0x43;
  memset((void*)0x200013e0, 78, 1);
  *(uint8_t*)0x200013e1 = 7;
  *(uint8_t*)0x200013e2 = 0x24;
  *(uint8_t*)0x200013e3 = 8;
  *(uint8_t*)0x200013e4 = 6;
  *(uint16_t*)0x200013e5 = 0x1000;
  *(uint8_t*)0x200013e7 = 0xef;
  *(uint8_t*)0x200013e8 = 0xc;
  *(uint8_t*)0x200013e9 = 0x24;
  *(uint8_t*)0x200013ea = 2;
  *(uint8_t*)0x200013eb = 1;
  *(uint16_t*)0x200013ec = 0x100;
  *(uint8_t*)0x200013ee = 3;
  *(uint8_t*)0x200013ef = 0;
  *(uint16_t*)0x200013f0 = 6;
  *(uint8_t*)0x200013f2 = 5;
  *(uint8_t*)0x200013f3 = 1;
  *(uint8_t*)0x200013f4 = 5;
  *(uint8_t*)0x200013f5 = 0x24;
  *(uint8_t*)0x200013f6 = 5;
  *(uint8_t*)0x200013f7 = 3;
  *(uint8_t*)0x200013f8 = 0x2d;
  *(uint8_t*)0x200013f9 = 9;
  *(uint8_t*)0x200013fa = 5;
  *(uint8_t*)0x200013fb = 5;
  *(uint8_t*)0x200013fc = 3;
  *(uint16_t*)0x200013fd = 0x20;
  *(uint8_t*)0x200013ff = 3;
  *(uint8_t*)0x20001400 = 9;
  *(uint8_t*)0x20001401 = 0x56;
  *(uint8_t*)0x20001402 = 2;
  *(uint8_t*)0x20001403 = 0xd;
  *(uint8_t*)0x20001404 = 2;
  *(uint8_t*)0x20001405 = 0xa;
  *(uint8_t*)0x20001406 = 9;
  *(uint8_t*)0x20001407 = 5;
  *(uint8_t*)0x20001408 = 5;
  *(uint8_t*)0x20001409 = 2;
  *(uint16_t*)0x2000140a = 0x10;
  *(uint8_t*)0x2000140c = 0xfd;
  *(uint8_t*)0x2000140d = 0x40;
  *(uint8_t*)0x2000140e = 8;
  *(uint8_t*)0x2000140f = 7;
  *(uint8_t*)0x20001410 = 0x25;
  *(uint8_t*)0x20001411 = 1;
  *(uint8_t*)0x20001412 = 2;
  *(uint8_t*)0x20001413 = 3;
  *(uint16_t*)0x20001414 = 3;
  *(uint8_t*)0x20001416 = 9;
  *(uint8_t*)0x20001417 = 5;
  *(uint8_t*)0x20001418 = 8;
  *(uint8_t*)0x20001419 = 3;
  *(uint16_t*)0x2000141a = 8;
  *(uint8_t*)0x2000141c = 8;
  *(uint8_t*)0x2000141d = 0x7f;
  *(uint8_t*)0x2000141e = 0x3f;
  *(uint8_t*)0x2000141f = 2;
  *(uint8_t*)0x20001420 = 0xb;
  *(uint8_t*)0x20001421 = 2;
  *(uint8_t*)0x20001422 = 0x31;
  *(uint8_t*)0x20001423 = 9;
  *(uint8_t*)0x20001424 = 5;
  *(uint8_t*)0x20001425 = 7;
  *(uint8_t*)0x20001426 = 0;
  *(uint16_t*)0x20001427 = 0x10;
  *(uint8_t*)0x20001429 = 0x3f;
  *(uint8_t*)0x2000142a = 4;
  *(uint8_t*)0x2000142b = 2;
  *(uint8_t*)0x2000142c = 7;
  *(uint8_t*)0x2000142d = 0x25;
  *(uint8_t*)0x2000142e = 1;
  *(uint8_t*)0x2000142f = 0x80;
  *(uint8_t*)0x20001430 = -1;
  *(uint16_t*)0x20001431 = 0xf30;
  *(uint8_t*)0x20001433 = 0x5a;
  *(uint8_t*)0x20001434 = 0x21;
  memcpy(
      (void*)0x20001435,
      "\xe2\x6c\x61\xef\xa9\x2c\x11\x2a\xe9\xb2\x9b\x8a\x22\x38\x81\xb0\xc3\x78"
      "\x8b\xe8\x3b\xca\x7b\x4d\x64\x26\xd2\x9d\xfc\x31\x7b\xa7\xf8\x58\x3f\xc7"
      "\x1e\x09\x7b\xf5\x1e\x7f\x15\x52\x37\xe2\xb9\x37\x97\xba\x0f\xe3\x05\x90"
      "\x5a\xf3\xb9\xdf\xae\xd5\x45\x89\x09\x2b\x2b\x8a\x71\xd4\x3a\x62\x22\x16"
      "\xd7\xa5\x23\xbf\x83\x1c\x67\x17\x14\x28\xfe\x18\xb5\x31\x95\x2c",
      88);
  *(uint8_t*)0x2000148d = 9;
  *(uint8_t*)0x2000148e = 5;
  *(uint8_t*)0x2000148f = 8;
  *(uint8_t*)0x20001490 = 4;
  *(uint16_t*)0x20001491 = 0x400;
  *(uint8_t*)0x20001493 = 0x1f;
  *(uint8_t*)0x20001494 = 8;
  *(uint8_t*)0x20001495 = 2;
  *(uint8_t*)0x20001496 = 2;
  *(uint8_t*)0x20001497 = 0x31;
  *(uint8_t*)0x20001498 = 7;
  *(uint8_t*)0x20001499 = 0x25;
  *(uint8_t*)0x2000149a = 1;
  *(uint8_t*)0x2000149b = 0x82;
  *(uint8_t*)0x2000149c = 0x32;
  *(uint16_t*)0x2000149d = 0;
  *(uint8_t*)0x2000149f = 9;
  *(uint8_t*)0x200014a0 = 5;
  *(uint8_t*)0x200014a1 = 0xe;
  *(uint8_t*)0x200014a2 = 2;
  *(uint16_t*)0x200014a3 = 0x3ff;
  *(uint8_t*)0x200014a5 = 9;
  *(uint8_t*)0x200014a6 = 0x81;
  *(uint8_t*)0x200014a7 = 0x81;
  *(uint8_t*)0x200014a8 = 0x6c;
  *(uint8_t*)0x200014a9 = 5;
  memcpy(
      (void*)0x200014aa,
      "\xf1\xa7\xb2\x55\x01\xde\x47\xd0\x65\xea\x64\x70\x3d\xf1\x95\x97\xd6\xc1"
      "\x3d\x31\x72\xf2\x56\x49\xf7\x1d\xde\x03\xc7\x7e\xe8\x8e\xcd\x7e\xad\xfe"
      "\xd1\xd3\x9a\x16\xc3\xbc\xf7\x99\x4c\x28\x9e\x4c\x0b\x1e\x6d\x9e\x6b\xfc"
      "\x2e\x4f\x5b\xc5\x84\xda\x85\x9a\xd6\x87\x85\x14\xa2\xf3\x11\x3e\x6c\x03"
      "\x4a\x16\x0b\x7d\x69\x77\xf3\x48\x2c\xea\x47\xdf\x63\x99\x1a\x5d\x84\x7d"
      "\x59\x7f\xce\x94\x15\xfd\xab\xa5\xd0\x7a\xb9\xad\x0f\x0a\x04\xfc",
      106);
  *(uint8_t*)0x20001514 = 9;
  *(uint8_t*)0x20001515 = 5;
  *(uint8_t*)0x20001516 = 0xc;
  *(uint8_t*)0x20001517 = 0;
  *(uint16_t*)0x20001518 = 0x200;
  *(uint8_t*)0x2000151a = 0xd9;
  *(uint8_t*)0x2000151b = 0x1f;
  *(uint8_t*)0x2000151c = 0;
  *(uint8_t*)0x2000151d = 7;
  *(uint8_t*)0x2000151e = 0x25;
  *(uint8_t*)0x2000151f = 1;
  *(uint8_t*)0x20001520 = 1;
  *(uint8_t*)0x20001521 = 2;
  *(uint16_t*)0x20001522 = 3;
  *(uint8_t*)0x20001524 = 7;
  *(uint8_t*)0x20001525 = 0x25;
  *(uint8_t*)0x20001526 = 1;
  *(uint8_t*)0x20001527 = 1;
  *(uint8_t*)0x20001528 = 2;
  *(uint16_t*)0x20001529 = -1;
  *(uint8_t*)0x2000152b = 9;
  *(uint8_t*)0x2000152c = 5;
  *(uint8_t*)0x2000152d = 0xf;
  *(uint8_t*)0x2000152e = 0x10;
  *(uint16_t*)0x2000152f = 0x3ff;
  *(uint8_t*)0x20001531 = 8;
  *(uint8_t*)0x20001532 = 1;
  *(uint8_t*)0x20001533 = 3;
  *(uint8_t*)0x20001534 = 7;
  *(uint8_t*)0x20001535 = 0x25;
  *(uint8_t*)0x20001536 = 1;
  *(uint8_t*)0x20001537 = 2;
  *(uint8_t*)0x20001538 = 2;
  *(uint16_t*)0x20001539 = 0;
  *(uint8_t*)0x2000153b = 9;
  *(uint8_t*)0x2000153c = 5;
  *(uint8_t*)0x2000153d = 6;
  *(uint8_t*)0x2000153e = 4;
  *(uint16_t*)0x2000153f = 0x200;
  *(uint8_t*)0x20001541 = -1;
  *(uint8_t*)0x20001542 = 3;
  *(uint8_t*)0x20001543 = 1;
  *(uint8_t*)0x20001544 = 2;
  *(uint8_t*)0x20001545 = 0xe;
  *(uint8_t*)0x20001546 = 9;
  *(uint8_t*)0x20001547 = 5;
  *(uint8_t*)0x20001548 = 0xf;
  *(uint8_t*)0x20001549 = 0;
  *(uint16_t*)0x2000154a = 0x10;
  *(uint8_t*)0x2000154c = 0x36;
  *(uint8_t*)0x2000154d = -1;
  *(uint8_t*)0x2000154e = 1;
  *(uint8_t*)0x2000154f = 9;
  *(uint8_t*)0x20001550 = 5;
  *(uint8_t*)0x20001551 = 0xe;
  *(uint8_t*)0x20001552 = 3;
  *(uint16_t*)0x20001553 = 0x40;
  *(uint8_t*)0x20001555 = 0;
  *(uint8_t*)0x20001556 = 8;
  *(uint8_t*)0x20001557 = 0xf4;
  *(uint8_t*)0x20001558 = 2;
  *(uint8_t*)0x20001559 = 0xb;
  *(uint8_t*)0x2000155a = 7;
  *(uint8_t*)0x2000155b = 0x25;
  *(uint8_t*)0x2000155c = 1;
  *(uint8_t*)0x2000155d = 0x82;
  *(uint8_t*)0x2000155e = 0x40;
  *(uint16_t*)0x2000155f = 8;
  *(uint8_t*)0x20001561 = 9;
  *(uint8_t*)0x20001562 = 5;
  *(uint8_t*)0x20001563 = 3;
  *(uint8_t*)0x20001564 = 3;
  *(uint16_t*)0x20001565 = 0x40;
  *(uint8_t*)0x20001567 = 0x40;
  *(uint8_t*)0x20001568 = 1;
  *(uint8_t*)0x20001569 = 0;
  *(uint8_t*)0x2000156a = 9;
  *(uint8_t*)0x2000156b = 5;
  *(uint8_t*)0x2000156c = 7;
  *(uint8_t*)0x2000156d = 0;
  *(uint16_t*)0x2000156e = 8;
  *(uint8_t*)0x20001570 = 5;
  *(uint8_t*)0x20001571 = 5;
  *(uint8_t*)0x20001572 = 6;
  *(uint32_t*)0x20001f80 = 0;
  *(uint64_t*)0x20001f84 = 0;
  *(uint32_t*)0x20001f8c = 0;
  *(uint64_t*)0x20001f90 = 0;
  *(uint32_t*)0x20001f98 = 2;
  *(uint32_t*)0x20001f9c = 0;
  *(uint64_t*)0x20001fa0 = 0;
  *(uint32_t*)0x20001fa8 = 0;
  *(uint64_t*)0x20001fac = 0;
  syz_usb_connect(/*speed=USB_SPEED_FULL*/ 2, /*dev_len=*/0x333,
                  /*dev=*/0x20001240, /*conn_descs=*/0x20001f80);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  loop();
  return 0;
}