// https://syzkaller.appspot.com/bug?id=0518799fc2250353125d212fc510c44adbde73c3
// 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,
                           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);

#define ATH9K_FIRMWARE_DOWNLOAD 0x30
#define ATH9K_FIRMWARE_DOWNLOAD_COMP 0x31

static bool lookup_connect_response_out_ath9k(
    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:
      return true;
    default:
      break;
    }
    break;
  case USB_TYPE_VENDOR:
    switch (ctrl->bRequest) {
    case ATH9K_FIRMWARE_DOWNLOAD:
      return true;
    case ATH9K_FIRMWARE_DOWNLOAD_COMP:
      *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_write(int fd, struct usb_raw_ep_io* io)
{
  return ioctl(fd, USB_RAW_IOCTL_EP_WRITE, 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 int lookup_endpoint(int fd, uint8_t bEndpointAddress)
{
  struct usb_device_index* index = lookup_usb_index(fd);
  if (!index)
    return -1;
  if (index->iface_cur < 0)
    return -1;
  for (int ep = 0; index->ifaces[index->iface_cur].eps_num; ep++)
    if (index->ifaces[index->iface_cur].eps[ep].desc.bEndpointAddress ==
        bEndpointAddress)
      return index->ifaces[index->iface_cur].eps[ep].handle;
  return -1;
}

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;
    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_ath9k(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_ath9k);
}

static volatile long syz_usb_ep_write(volatile long a0, volatile long a1,
                                      volatile long a2, volatile long a3)
{
  int fd = a0;
  uint8_t ep = a1;
  uint32_t len = a2;
  char* data = (char*)a3;
  int ep_handle = lookup_endpoint(fd, ep);
  if (ep_handle < 0) {
    return -1;
  }
  struct usb_raw_ep_io_data io_data;
  io_data.inner.ep = ep_handle;
  io_data.inner.flags = 0;
  if (len > sizeof(io_data.data))
    len = sizeof(io_data.data);
  io_data.inner.length = len;
  memcpy(&io_data.data[0], data, len);
  int rv = usb_raw_ep_write(fd, (struct usb_raw_ep_io*)&io_data);
  if (rv < 0) {
    return rv;
  }
  sleep_ms(200);
  return 0;
}

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");
}

#define KMEMLEAK_FILE "/sys/kernel/debug/kmemleak"

static void setup_leak()
{
  if (!write_file(KMEMLEAK_FILE, "scan"))
    exit(1);
  sleep(5);
  if (!write_file(KMEMLEAK_FILE, "scan"))
    exit(1);
  if (!write_file(KMEMLEAK_FILE, "clear"))
    exit(1);
}

static void check_leaks(void)
{
  int fd = open(KMEMLEAK_FILE, O_RDWR);
  if (fd == -1)
    exit(1);
  uint64_t start = current_time_ms();
  if (write(fd, "scan", 4) != 4)
    exit(1);
  sleep(1);
  while (current_time_ms() - start < 4 * 1000)
    sleep(1);
  if (write(fd, "scan", 4) != 4)
    exit(1);
  static char buf[128 << 10];
  ssize_t n = read(fd, buf, sizeof(buf) - 1);
  if (n < 0)
    exit(1);
  int nleaks = 0;
  if (n != 0) {
    sleep(1);
    if (write(fd, "scan", 4) != 4)
      exit(1);
    if (lseek(fd, 0, SEEK_SET) < 0)
      exit(1);
    n = read(fd, buf, sizeof(buf) - 1);
    if (n < 0)
      exit(1);
    buf[n] = 0;
    char* pos = buf;
    char* end = buf + n;
    while (pos < end) {
      char* next = strstr(pos + 1, "unreferenced object");
      if (!next)
        next = end;
      char prev = *next;
      *next = 0;
      fprintf(stderr, "BUG: memory leak\n%s\n", pos);
      *next = prev;
      pos = next;
      nleaks++;
    }
  }
  if (write(fd, "clear", 5) != 5)
    exit(1);
  close(fd);
  if (nleaks)
    exit(1);
}

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;
    }
    check_leaks();
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  *(uint8_t*)0x20000180 = 0x12;
  *(uint8_t*)0x20000181 = 1;
  *(uint16_t*)0x20000182 = 0x200;
  *(uint8_t*)0x20000184 = -1;
  *(uint8_t*)0x20000185 = -1;
  *(uint8_t*)0x20000186 = -1;
  *(uint8_t*)0x20000187 = 0x40;
  *(uint16_t*)0x20000188 = 0xcf3;
  *(uint16_t*)0x2000018a = 0x9271;
  *(uint16_t*)0x2000018c = 0x108;
  *(uint8_t*)0x2000018e = 1;
  *(uint8_t*)0x2000018f = 2;
  *(uint8_t*)0x20000190 = 3;
  *(uint8_t*)0x20000191 = 1;
  *(uint8_t*)0x20000192 = 9;
  *(uint8_t*)0x20000193 = 2;
  *(uint16_t*)0x20000194 = 0x48;
  *(uint8_t*)0x20000196 = 1;
  *(uint8_t*)0x20000197 = 1;
  *(uint8_t*)0x20000198 = 0;
  *(uint8_t*)0x20000199 = 0x80;
  *(uint8_t*)0x2000019a = 0xfa;
  *(uint8_t*)0x2000019b = 9;
  *(uint8_t*)0x2000019c = 4;
  *(uint8_t*)0x2000019d = 0;
  *(uint8_t*)0x2000019e = 0;
  *(uint8_t*)0x2000019f = 6;
  *(uint8_t*)0x200001a0 = -1;
  *(uint8_t*)0x200001a1 = 0;
  *(uint8_t*)0x200001a2 = 0;
  *(uint8_t*)0x200001a3 = 0;
  *(uint8_t*)0x200001a4 = 9;
  *(uint8_t*)0x200001a5 = 5;
  *(uint8_t*)0x200001a6 = 1;
  *(uint8_t*)0x200001a7 = 2;
  *(uint16_t*)0x200001a8 = 0x200;
  *(uint8_t*)0x200001aa = 0;
  *(uint8_t*)0x200001ab = 0;
  *(uint8_t*)0x200001ac = 0;
  *(uint8_t*)0x200001ad = 9;
  *(uint8_t*)0x200001ae = 5;
  *(uint8_t*)0x200001af = 0x82;
  *(uint8_t*)0x200001b0 = 2;
  *(uint16_t*)0x200001b1 = 0x200;
  *(uint8_t*)0x200001b3 = 0;
  *(uint8_t*)0x200001b4 = 0;
  *(uint8_t*)0x200001b5 = 0;
  *(uint8_t*)0x200001b6 = 9;
  *(uint8_t*)0x200001b7 = 5;
  *(uint8_t*)0x200001b8 = 0x83;
  *(uint8_t*)0x200001b9 = 3;
  *(uint16_t*)0x200001ba = 0x40;
  *(uint8_t*)0x200001bc = 1;
  *(uint8_t*)0x200001bd = 0;
  *(uint8_t*)0x200001be = 0;
  *(uint8_t*)0x200001bf = 9;
  *(uint8_t*)0x200001c0 = 5;
  *(uint8_t*)0x200001c1 = 4;
  *(uint8_t*)0x200001c2 = 3;
  *(uint16_t*)0x200001c3 = 0x40;
  *(uint8_t*)0x200001c5 = 1;
  *(uint8_t*)0x200001c6 = 0;
  *(uint8_t*)0x200001c7 = 0;
  *(uint8_t*)0x200001c8 = 9;
  *(uint8_t*)0x200001c9 = 5;
  *(uint8_t*)0x200001ca = 5;
  *(uint8_t*)0x200001cb = 2;
  *(uint16_t*)0x200001cc = 0x200;
  *(uint8_t*)0x200001ce = 0;
  *(uint8_t*)0x200001cf = 0;
  *(uint8_t*)0x200001d0 = 0;
  *(uint8_t*)0x200001d1 = 9;
  *(uint8_t*)0x200001d2 = 5;
  *(uint8_t*)0x200001d3 = 6;
  *(uint8_t*)0x200001d4 = 2;
  *(uint16_t*)0x200001d5 = 0x200;
  *(uint8_t*)0x200001d7 = 0;
  *(uint8_t*)0x200001d8 = 0;
  *(uint8_t*)0x200001d9 = 0;
  res = -1;
  res = syz_usb_connect_ath9k(3, 0x5a, 0x20000180, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000200 = 0;
  *(uint16_t*)0x20000202 = 0x4e00;
  *(uint16_t*)0x20000204 = 0x7ca;
  *(uint16_t*)0x20000206 = 0x4e00;
  memcpy(
      (void*)0x20000208,
      "\x0b\xdc\x97\xf9\x33\xba\xc9\xe9\xc7\xd8\x83\x45\x6b\x95\xba\x2f\x17\xf2"
      "\x8e\xa5\xa0\x4b\x04\x68\x15\xc5\x75\xd9\x28\x50\xb3\x7c\x3b\xb6\xad\x92"
      "\x8c\xc1\x86\xf9\x24\x57\xe2\xd4\xda\x05\x3f\x3c\xe2\x2a\x2b\x09\xce\x0f"
      "\x87\xdd\x9c\xb9\x7c\xbb\x62\x65\xe5\xb5\x17\x29\x99\x00\xa1\x42\x37\xa1"
      "\x25\xe3\x82\x08\x7e\x04\xa7\xe2\x2d\x39\xcf\x93\xd3\x46\xc3\xf0\x45\x4b"
      "\xbc\x98\xec\x8b\xc1\xf9\x6a\x24\xc5\x53\x40\x74\x40\x32\xbe\x1b\xdd\xd7"
      "\xbb\x4a\xa3\xc3\x64\x74\x62\x81\x0c\xf6\x53\x6f\x61\x48\x7c\x46\xe6\x68"
      "\xc7\xfd\xc5\xcf\x01\x1d\x69\x70\x0f\xc4\x69\x29\x01\x10\xc8\x54\xf1\xfd"
      "\xc9\xf1\x96\xfe\x17\x3e\xcd\x51\x17\x53\x9c\x8f\x84\xe0\x81\x51\x55\x49"
      "\x6a\x5c\x17\x32\x06\xae\x9b\x26\xfc\x47\x8f\xe2\xf1\xb1\x18\x04\x0d\x14"
      "\x1d\xe1\xc4\xd7\x46\xdf\xa2\x17\xad\x15\x12\x6a\xda\xd3\x2f\x68\x37\x48"
      "\xcd\x4f\x60\xfe\x47\xa8\xf2\x62\xd2\x12\xd9\xaa\xda\x3e\xf4\x7a\xec\xbd"
      "\x9a\x70\x6e\x9e\xe0\x85\x6b\x8c\xde\xf5\x78\x53\x33\xba\x6f\x65\x17\x9b"
      "\xa9\xd5\x52\x6e\xd1\x3b\x9b\xcb\x74\x38\xab\x12\x4c\xf0\xa1\x3a\x4b\x60"
      "\xa6\x08\x76\x39\x63\xe5\x2a\xce\xd3\xd8\xf5\x1f\x00\xc3\x84\xb2\x9c\x9e"
      "\x1d\xbd\xd8\x24\xf9\x7e\xff\x93\x37\x61\x9b\x54\xe8\x12\x4c\x7f\x93\xdc"
      "\x52\x51\xfc\x0d\x2a\x67\x36\xae\x54\x80\x6a\xcb\x5f\x82\xba\x90\xf9\xc5"
      "\x3e\xc5\xac\x2a\x8f\xfe\x60\xd5\xa6\x2f\x95\x77\x1f\xd6\x1b\xe9\xa6\xa4"
      "\x6f\x5e\x06\xbc\xd5\x56\x8d\x6f\x6d\x53\x4f\xb9\xbf\x9b\xbc\x80\x13\x77"
      "\xdd\xc6\xcb\xca\xc4\xf9\x2c\x3b\x24\x32\xa1\x76\x7b\x8a\xa7\xff\x64\x0f"
      "\xb3\x07\x18\x6d\x52\xb0\x7a\x6d\x24\x0a\xce\x6d\x95\xd3\x27\xf4\x06\xd1"
      "\xa9\xff\x7c\x37\x0f\xe3\xfa\x71\x41\xe6\xc3\xf6\x6f\x38\xc7\x9b\x1a\x1a"
      "\x27\xb9\x72\xcc\x6e\xe7\x66\xbb\xe5\x73\x47\x06\xde\xd3\xab\x8f\x6d\x04"
      "\x87\x56\x6a\x01\xdb\xa7\xaf\xf3\x4d\x1d\x99\x3f\x3d\xab\x25\xd7\x29\x41"
      "\xb5\xa6\xfa\xee\xdf\x07\xd1\xb0\xbd\x13\x2f\x14\xbb\xac\x01\xea\x2d\x8b"
      "\xb3\x14\xf7\x51\xbe\x06\x39\x18\x89\xea\x68\x33\x70\x92\x4e\x89\x3b\x0b"
      "\x0f\x3a\xc2\xfc\x93\x05\xda\xc6\x8d\x21\x39\x66\xd4\x30\x68\xf6\x8d\x00"
      "\x58\xca\xda\x23\xc0\xaa\xf2\xea\x8d\xd7\x88\x26\xe7\x98\x79\xf9\x1c\x99"
      "\x20\x64\xf9\x49\x20\x01\x2d\x51\x11\xfe\x21\x5c\x08\x1d\xfa\x28\x0a\x39"
      "\xac\x60\x28\x00\x4d\x57\xe5\xa5\xb0\xd2\x30\x64\xfd\xbc\xa4\x98\xfa\x6c"
      "\x7e\x21\xff\x0f\x96\x68\x0b\x83\x7e\x13\x0c\x88\x58\xaa\x82\x13\xfa\x04"
      "\xad\x75\x0c\x91\x83\x43\x00\x45\x11\xe9\xa1\x5f\x10\xde\x4e\x6b\xb7\xd3"
      "\x06\x81\x23\xf3\xc2\xab\x63\x98\xbb\xe3\x95\xa0\xf2\xec\x9a\x46\x23\x42"
      "\xb6\xce\x33\x6d\x95\xd4\x36\x62\x95\x47\x73\x70\x94\x5a\x95\x56\x95\xef"
      "\x3b\xdd\x60\xa5\x9f\x4e\x10\x2f\x8e\xe6\x6b\x3b\x24\x2f\x1c\x1c\xd6\xab"
      "\x67\x7a\xd5\x29\xe0\x40\xbe\x05\x2c\xb5\x23\xd1\x9c\x5a\x2e\x1c\xcc\x4c"
      "\x4b\xe9\xa5\x83\x04\xbc\x74\xf1\x0e\x25\x7b\x10\xf5\x4a\xd4\x0c\xf1\x44"
      "\x57\x7d\x7f\x0d\x6f\x89\xf6\x07\xe7\x08\xfe\x1c\x15\x6c\xe9\x60\xdc\x2a"
      "\x93\x14\xe7\xb5\x90\x3a\x94\xae\xee\x72\xe3\x93\x68\x55\xd7\x2a\x37\xe6"
      "\xd1\x94\x66\x7b\xf9\x3b\x62\x1f\x3a\x90\xcb\x9a\xeb\xea\x5e\x5e\x6f\x66"
      "\x5e\x8f\x0c\xc0\x0a\x4a\xc1\x20\x4f\xb6\x5f\x6f\x53\x2f\x30\x36\x62\x4f"
      "\xa6\xa4\x7b\x1f\xff\x2b\x25\x94\x16\xa2\x1a\x7e\x1e\x02\x58\x6b\x2e\x7f"
      "\x35\x5b\x51\x70\x1e\x77\xb3\x44\x8a\x74\x3c\xe2\x20\xf2\x83\xfe\xca\x7f"
      "\xa8\xb8\xc0\x1c\xab\x88\x2b\x12\xb2\x45\x55\x1e\x12\x3f\x3d\xcc\xf4\x41"
      "\x07\xad\x51\x5a\x76\x3a\x6a\x28\x2b\x15\x0d\xe7\x1b\xfe\xb3\x5e\xba\xeb"
      "\x41\xed\xcf\x51\x33\xd8\xba\x70\xa7\xff\xfe\x6b\xd1\xa7\xf9\xc6\x49\x62"
      "\x99\x66\x91\x8c\x6b\x84\xe5\xb6\xfe\x70\xaa\x28\x84\x4a\x34\x63\x4d\x1f"
      "\xa6\x53\x9e\x7a\xb9\xcf\x05\x0f\x9b\x05\xd2\x07\x43\x3b\xa9\x69\x25\xfe"
      "\x2c\x4d\x11\x8a\xa6\x28\x8c\x96\x98\xbb\x14\x32\xe5\x90\x2e\x6c\x7e\x8e"
      "\xd5\x94\x82\x73\x3e\xfb\xf9\x87\x61\x5c\xaf\x22\xc2\xbd\x8d\x21\x3c\x46"
      "\x83\x0c\x59\xbc\xfb\x40\xf4\x40\xc3\x78\x95\x25\x7a\x62\x96\x49\x85\xbe"
      "\x1a\x2c\x22\xf2\x19\x3a\xfa\x23\x92\x8f\xdb\xb4\xca\xea\x6e\xfb\x07\xaa"
      "\x62\x7e\xb3\xc5\xd1\xcf\xc6\x2e\x24\xb2\x87\xfb\x7f\xdb\xe2\xe0\x37\xae"
      "\x5a\x08\x65\xb8\x47\x88\x2c\x0b\xc4\x3c\xae\x53\x82\x97\x9a\x81\xc3\x2a"
      "\xda\xb1\x53\xf5\x9e\x34\xe8\x8f\x0e\x8a\x13\x41\x61\x75\x9a\x68\x22\x6d"
      "\x42\x69\xd8\xa0\x75\xd0\xb6\x7a\x82\x88\xbc\x6a\xd0\x86\x29\xc5\xfb\x9e"
      "\x1d\xc8\x0b\x8b\x18\xc3\x26\xdd\xff\xd1\x24\x83\xa7\xa2\xd5\x89\x04\x33"
      "\x13\xdd\x73\x82\x79\xeb\xaf\x5b\x22\xd8\x1c\xb4\xb6\xf2\x88\x1b\xe0\x62"
      "\x06\x9b\x2f\x65\xcc\xef\x30\x66\x34\x2d\xfc\xdf\xd0\x09\x32\x09\x90\xfc"
      "\xd3\x2d\x5a\x90\x98\xb9\x8d\xe7\xcd\xb8\xb1\x66\x21\x1d\x22\xdd\xfa\x47"
      "\x63\x95\xb1\xce\x0e\x08\xb8\x08\x08\x22\x67\x35\xff\x56\x36\xab\xcb\xb9"
      "\x71\x3b\x4d\x26\x3d\x19\xb2\x52\x1c\x5e\xb0\x1b\x0a\xcb\x8c\x7e\x93\x55"
      "\x64\x7a\x71\xb8\x52\xc0\xd7\xc2\xec\x00\x37\xa6\x3e\x7f\x67\x6b\x3b\xf7"
      "\xc1\x0b\xa3\xdc\x1f\x42\xee\xa4\xe5\x30\x2e\x93\x27\x93\x54\xe5\xa0\xc5"
      "\xd5\x8a\x12\x54\xa8\x8f\xfc\x97\xa6\x7b\x9a\x5b\x61\x5d\x97\xce\x4f\x10"
      "\x64\x3d\x8b\x95\xf5\xfb\x1c\x0b\x1f\x43\xab\x7b\x4b\x9c\xa7\x9e\x55\x59"
      "\xf4\xe8\x56\xd5\x0f\xb7\x93\x0c\x27\x95\x6a\xb5\xd2\x92\x82\xfd\x58\x03"
      "\xd0\x3d\x0c\xf8\xc5\x27\x36\x65\x2a\x5b\x85\xba\xa1\xc3\xd8\xe0\x80\x81"
      "\x2f\x48\xde\xe8\xef\xd0\xf3\x6c\xb7\x48\x28\x9a\xe7\x15\xcd\x57\xc0\x7a"
      "\xc2\x81\x2f\x07\x67\x77\xc7\x3a\x8f\x17\xab\xda\xd7\x5f\x2a\x06\xf8\x9f"
      "\x24\x96\x5e\x51\x8f\x53\xb0\x6b\x1a\x8b\x86\x73\xcc\x13\xe8\x50\x93\x98"
      "\x4f\xf2\xa6\x05\xd0\x09\xa7\x2d\x30\x0f\x3e\xdb\xfb\xb8\x98\x8f\x58\x65"
      "\xc3\x98\xe1\x02\x4f\x57\x15\xe2\x41\x87\x85\x59\xbe\xed\x48\x1c\x6d\x82"
      "\x56\x43\x81\x40\x2b\xfb\xff\xb8\xd9\x8f\xc5\xa4\x93\x5b\x6f\xdd\xc9\x3c"
      "\x53\x52\x1d\x23\xe4\xb9\x00\xeb\xe9\xbe\x1d\x2f\x08\x58\x0a\x9c\x3d\x22"
      "\x09\x1f\xdb\x79\x38\xcc\x4d\x2d\x0b\x10\x74\x37\xa2\x9c\x91\x51\xc7\x54"
      "\x22\x7e\xfe\xfc\xaf\x89\x09\x5d\x0c\x36\x50\xe7\xde\x58\xd3\xca\xe7\x37"
      "\x06\xbf\x67\x17\xc0\xc7\xd6\x64\xff\x15\x8f\xe0\x42\x3f\x54\x8f\xd9\xde"
      "\xa6\xa6\x1f\xec\x20\xb1\xc4\x3a\x40\xa2\x02\xa0\x1c\x70\x80\xf7\xe4\x88"
      "\xbd\x5a\x35\x7d\x8a\x11\xc0\x79\x36\xf5\x5d\xef\xde\x34\xc1\xf2\xe9\x03"
      "\x53\x34\xc7\x63\xae\x36\xbe\x7a\x45\x50\x6f\x6d\x63\x52\xcf\xea\x16\x61"
      "\x6d\x5a\x69\x90\xed\x29\xdc\x53\xf3\x3d\x75\x4d\x94\x96\x02\xe4\x1c\x29"
      "\x26\xe5\x99\x69\xf8\x21\x2b\xab\xb7\x64\xd2\xa8\xea\x5b\x4f\x24\x37\x17"
      "\xdc\x79\x08\x90\xa4\x8d\x0a\xb2\x8e\x81\x8d\xf4\x8e\xab\xa7\x41\xd2\xc8"
      "\x98\xb5\xba\x85\xf9\xc5\x2d\xe2\xd9\x5e\x84\x14\xd5\xc5\x06\xf9\x52\x43"
      "\x41\xf3\xc2\xb7\x26\x3a\x06\x5a\x3e\x1e\x67\x21\x35\xe9\xf2\x80\xd8\xb9"
      "\x1f\x59\xc7\x74\xa4\x2e\x00\x50\xe5\x8a\x0e\x67\xbe\x98\xe4\x61\x70\xe0"
      "\x18\x84\x71\x88\xd4\x90\x55\xd2\xee\xaf\x64\x04\xb1\x60\x0b\x12\xe3\xe6"
      "\x50\x55\x11\x64\xcd\x95\x81\x8c\x70\x9a\x21\xfc\xfc\x08\x0e\x6b\xfb\xe4"
      "\xad\x80\xb7\xd6\xda\xd9\x8d\xb4\x40\x29\xb0\xe5\x5d\x3a\xf8\x14\xe4\x23"
      "\x60\x63\x00\x08\xf0\x00\xfd\xdf\x6f\x23\xb6\x0f\x43\x88\x15\x15\x1e\x0a"
      "\x3d\x77\xb0\x45\x56\x1b\xb0\x66\x7b\x92\x78\xec\x98\x56\x82\x0d\xbd\xa0"
      "\xb9\x18\x9e\x3b\xec\x64\xf7\x90\xd0\x09\x6d\x90\x11\x62\x0e\x9c\xd0\xed"
      "\x49\x67\xc5\x73\x5f\xd1\x52\x41\xce\xe6\x17\x3b\xe9\x65\x35\xce\x3f\x8f"
      "\x00\x9c\x91\xc6\x7d\x9d\xb2\x8a\x67\xf6\x25\x01\xaf\xcf\x2b\x2b\x5a\xfe"
      "\x0c\x9c\x55\x70\x92\x77\x7e\xb8\x01\x4a\xf8\xd9\xa6\xd4\xe8\xd4\x0a\x21"
      "\xaa\xee\x23\x5a\x5b\xa1\x37\x2b\xa8\x44\xbe\x2f\x34\x36\x58\x38\x73\x21"
      "\x26\x0b\xce\x0c\x15\xc8\xfc\x20\xb4\x80\x90\x58\x2a\xa8\x33\xfc\xaf\xf7"
      "\xb3\x33\xae\x82\xf5\xa3\xec\x06\xeb\xa2\x81\xdd\x92\xf2\x32\x1a\x41\x9c"
      "\x3d\xee\xd4\xb8\xf8\x66\x01\x45\x61\xd5\x80\x2e\xb8\x78\xfc\x2c\x9b\x16"
      "\xb1\xe5\x4f\x69\x89\x2d\x6c\xf9\xcc\x89\x58\x96\x22\x38\x5f\x41\xe2\xb7"
      "\xa7\x0e\x1f\x4a\xb5\x4d\x2e\x45\xf1\xd9\x30\x65\x0b\x3d\xaf\x9c\x81\xd4"
      "\x32\x64\x4c\xd0\xcc\x99\x23\xbc\xa5\x22\x29\xae\x2a\x26\x85\xe1\x68\x72"
      "\x8a\xab\x21\xe0\x6d\xbd\x3f\xa4\xf5\xac\x93\x69\x39\x45\x93\x5b\x59\x9e"
      "\xbe\xac\x50\xc7\x0b\x3d\x49\xa7\xed\x76\x05\xd3\xc2\xff\xd7\x03\x3f\xc8"
      "\x1d\x8c\x50\x90\x73\x3e\xe4\xec\xb8\x96\x6e\xc7\x88\x7a\xa8\x25\x8a\x64"
      "\x6d\x34\xec\x7e\xfe\x35\x9f\x15\x09\xf9\x82\xe8\x15\xce\x30\x1a\x97\xad"
      "\x09\xbd\x58\x93\xa7\x63\xdf\x7f\xc0\x66\x6d\x9a\x46\xc1\xe2\x2f\x85\xf2"
      "\x56\xd0\xd8\x33\x25\xe2\xa3\x68\x29\x5d\xde\x0b\x09\x21\x5a\xc5\xdf\x6d"
      "\x9b\x8c\xbc\x0b\xad\x05\xfe\x1f\x39\x44\xdc\x2f\x4b\x47\x80\xad\xcb\xdb"
      "\xb4\x64\x5c\x18\xd2\xa6\x57\x70\xd0\x52\x83\xe9\x82\xff",
      1994);
  syz_usb_ep_write(r[0], 0x82, 0x7d4, 0x20000200);
}
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);
  setup_leak();
  loop();
  return 0;
}