// https://syzkaller.appspot.com/bug?id=c3661bea11c68528ec23d72e3978497a2cfb301b
// 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>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 211
#endif
#ifndef __NR_setsockopt
#define __NR_setsockopt 208
#endif
#ifndef __NR_socket
#define __NR_socket 198
#endif
#ifndef __NR_timer_settime
#define __NR_timer_settime 110
#endif

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 (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 15000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  syscall(__NR_timer_settime, /*timerid=*/0, /*flags=TIMER_ABSTIME*/ 1ul,
          /*new=*/0ul, /*old=*/0ul);
  res = syscall(__NR_socket, /*domain=*/0xaul, /*type=*/2ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x8933, /*arg=*/0ul);
  *(uint8_t*)0x20000140 = 0x12;
  *(uint8_t*)0x20000141 = 1;
  *(uint16_t*)0x20000142 = 0x300;
  *(uint8_t*)0x20000144 = 0x3c;
  *(uint8_t*)0x20000145 = 0x3b;
  *(uint8_t*)0x20000146 = 0xa8;
  *(uint8_t*)0x20000147 = 0x20;
  *(uint16_t*)0x20000148 = 0x424;
  *(uint16_t*)0x2000014a = 0xcf30;
  *(uint16_t*)0x2000014c = 0xcff0;
  *(uint8_t*)0x2000014e = 1;
  *(uint8_t*)0x2000014f = 2;
  *(uint8_t*)0x20000150 = 3;
  *(uint8_t*)0x20000151 = 1;
  *(uint8_t*)0x20000152 = 9;
  *(uint8_t*)0x20000153 = 2;
  *(uint16_t*)0x20000154 = 0x380;
  *(uint8_t*)0x20000156 = 1;
  *(uint8_t*)0x20000157 = 2;
  *(uint8_t*)0x20000158 = 7;
  *(uint8_t*)0x20000159 = 0x90;
  *(uint8_t*)0x2000015a = 0x75;
  *(uint8_t*)0x2000015b = 9;
  *(uint8_t*)0x2000015c = 4;
  *(uint8_t*)0x2000015d = 0xf0;
  *(uint8_t*)0x2000015e = 0x39;
  *(uint8_t*)0x2000015f = 0xc;
  *(uint8_t*)0x20000160 = 0xb5;
  *(uint8_t*)0x20000161 = 0x9d;
  *(uint8_t*)0x20000162 = 0x1f;
  *(uint8_t*)0x20000163 = 0xe;
  *(uint8_t*)0x20000164 = 0xa;
  *(uint8_t*)0x20000165 = 0x24;
  *(uint8_t*)0x20000166 = 1;
  *(uint16_t*)0x20000167 = 5;
  *(uint8_t*)0x20000169 = 8;
  *(uint8_t*)0x2000016a = 2;
  *(uint8_t*)0x2000016b = 1;
  *(uint8_t*)0x2000016c = 2;
  *(uint8_t*)0x2000016d = 5;
  *(uint8_t*)0x2000016e = 0x24;
  *(uint8_t*)0x2000016f = 6;
  *(uint8_t*)0x20000170 = 0;
  *(uint8_t*)0x20000171 = 1;
  *(uint8_t*)0x20000172 = 5;
  *(uint8_t*)0x20000173 = 0x24;
  *(uint8_t*)0x20000174 = 0;
  *(uint16_t*)0x20000175 = 3;
  *(uint8_t*)0x20000177 = 0xd;
  *(uint8_t*)0x20000178 = 0x24;
  *(uint8_t*)0x20000179 = 0xf;
  *(uint8_t*)0x2000017a = 1;
  *(uint32_t*)0x2000017b = 0;
  *(uint16_t*)0x2000017f = 1;
  *(uint16_t*)0x20000181 = 2;
  *(uint8_t*)0x20000183 = 8;
  *(uint8_t*)0x20000184 = 6;
  *(uint8_t*)0x20000185 = 0x24;
  *(uint8_t*)0x20000186 = 0x1a;
  *(uint16_t*)0x20000187 = 4;
  *(uint8_t*)0x20000189 = 0x12;
  *(uint8_t*)0x2000018a = 9;
  *(uint8_t*)0x2000018b = 5;
  *(uint8_t*)0x2000018c = 4;
  *(uint8_t*)0x2000018d = 0;
  *(uint16_t*)0x2000018e = 0x200;
  *(uint8_t*)0x20000190 = 0;
  *(uint8_t*)0x20000191 = 5;
  *(uint8_t*)0x20000192 = 0xf7;
  *(uint8_t*)0x20000193 = 2;
  *(uint8_t*)0x20000194 = 9;
  *(uint8_t*)0x20000195 = 9;
  *(uint8_t*)0x20000196 = 5;
  *(uint8_t*)0x20000197 = 0xb;
  *(uint8_t*)0x20000198 = 0;
  *(uint16_t*)0x20000199 = 0x200;
  *(uint8_t*)0x2000019b = 0x29;
  *(uint8_t*)0x2000019c = 0x12;
  *(uint8_t*)0x2000019d = 9;
  *(uint8_t*)0x2000019e = 7;
  *(uint8_t*)0x2000019f = 0x25;
  *(uint8_t*)0x200001a0 = 1;
  *(uint8_t*)0x200001a1 = 2;
  *(uint8_t*)0x200001a2 = 0xf8;
  *(uint16_t*)0x200001a3 = 1;
  *(uint8_t*)0x200001a5 = 9;
  *(uint8_t*)0x200001a6 = 5;
  *(uint8_t*)0x200001a7 = 0;
  *(uint8_t*)0x200001a8 = 3;
  *(uint16_t*)0x200001a9 = 8;
  *(uint8_t*)0x200001ab = 5;
  *(uint8_t*)0x200001ac = 4;
  *(uint8_t*)0x200001ad = 0;
  *(uint8_t*)0x200001ae = 7;
  *(uint8_t*)0x200001af = 0x25;
  *(uint8_t*)0x200001b0 = 1;
  *(uint8_t*)0x200001b1 = 0;
  *(uint8_t*)0x200001b2 = 0xe;
  *(uint16_t*)0x200001b3 = 0;
  *(uint8_t*)0x200001b5 = 0x70;
  *(uint8_t*)0x200001b6 = 0x21;
  memcpy((void*)0x200001b7,
         "\x15\x41\x2c\xb3\x21\xb2\xf0\x3c\xb3\xac\xf2\xbd\x9c\x46\x33\xcb\x01"
         "\xe4\x8e\x21\x26\x00\x6a\x2e\x30\x4d\xbb\x9f\x13\x44\xb2\xdd\xff\x3a"
         "\xf0\xc0\xc6\x0a\x70\x09\x5c\x6b\x86\x1d\x9e\x66\xa3\x42\xf9\x5b\x49"
         "\x43\xa5\x42\x5b\x84\xb8\xc4\x22\x4f\x51\x69\x78\x91\xda\x4f\x2b\x92"
         "\x11\xc0\xa8\x9e\xa3\xc0\xae\xfb\x12\x13\x40\xd8\x3b\xc2\x09\x4f\xfb"
         "\x68\xd2\xfd\xb5\xb8\x82\xd3\xeb\x5a\x4a\x64\x36\xde\xfe\x97\x83\x52"
         "\x21\x2e\x31\x9a\x31\x0e\x99\x54",
         110);
  *(uint8_t*)0x20000225 = 9;
  *(uint8_t*)0x20000226 = 5;
  *(uint8_t*)0x20000227 = 9;
  *(uint8_t*)0x20000228 = 1;
  *(uint16_t*)0x20000229 = 0x20;
  *(uint8_t*)0x2000022b = 0x22;
  *(uint8_t*)0x2000022c = 0x9b;
  *(uint8_t*)0x2000022d = 4;
  *(uint8_t*)0x2000022e = 0x30;
  *(uint8_t*)0x2000022f = 0xf;
  memcpy((void*)0x20000230,
         "\x1f\xea\x84\xd7\x6e\x4e\xe6\x93\xd2\x20\x11\xf8\x69\x00\x63\x83\x54"
         "\xb1\x29\x4f\xef\xea\x27\x97\x60\x8f\x12\x63\x20\xa5\xd1\x86\xa1\xc4"
         "\x58\xa7\x75\xa0\x4d\x24\xe7\xd3\x37\xa4\xe3\xc7",
         46);
  *(uint8_t*)0x2000025e = 9;
  *(uint8_t*)0x2000025f = 5;
  *(uint8_t*)0x20000260 = 6;
  *(uint8_t*)0x20000261 = 0;
  *(uint16_t*)0x20000262 = 0x40;
  *(uint8_t*)0x20000264 = 0x80;
  *(uint8_t*)0x20000265 = 4;
  *(uint8_t*)0x20000266 = 6;
  *(uint8_t*)0x20000267 = 7;
  *(uint8_t*)0x20000268 = 0x25;
  *(uint8_t*)0x20000269 = 1;
  *(uint8_t*)0x2000026a = 0x82;
  *(uint8_t*)0x2000026b = 3;
  *(uint16_t*)0x2000026c = 3;
  *(uint8_t*)0x2000026e = 9;
  *(uint8_t*)0x2000026f = 5;
  *(uint8_t*)0x20000270 = 2;
  *(uint8_t*)0x20000271 = 0x10;
  *(uint16_t*)0x20000272 = 0x40;
  *(uint8_t*)0x20000274 = 0x3f;
  *(uint8_t*)0x20000275 = 5;
  *(uint8_t*)0x20000276 = 7;
  *(uint8_t*)0x20000277 = 7;
  *(uint8_t*)0x20000278 = 0x25;
  *(uint8_t*)0x20000279 = 1;
  *(uint8_t*)0x2000027a = 0x40;
  *(uint8_t*)0x2000027b = 4;
  *(uint16_t*)0x2000027c = 0x40;
  *(uint8_t*)0x2000027e = 0x51;
  *(uint8_t*)0x2000027f = 0xb;
  memcpy((void*)0x20000280,
         "\xcb\xf5\xed\x64\xf9\x85\x55\x19\x4c\x7d\x4a\xca\xc6\x8d\xa2\xc1\x45"
         "\x50\x3d\x6d\x6f\xb3\x9e\x6c\x58\x1f\x75\x9f\x82\xb3\x10\x20\x1d\x6a"
         "\xe4\x49\x2b\xe9\xa2\x5c\xf4\xbb\x7d\x1c\x7d\xb3\xeb\x1a\x54\x89\x60"
         "\xfd\x73\x89\x4b\xfe\xc0\xcf\x0c\x13\xd0\x7f\xda\x66\xaf\x35\xc6\xf5"
         "\x18\x66\xb9\xb2\x2d\x63\x5c\xa7\xb0\xcc\xe3",
         79);
  *(uint8_t*)0x200002cf = 9;
  *(uint8_t*)0x200002d0 = 5;
  *(uint8_t*)0x200002d1 = 6;
  *(uint8_t*)0x200002d2 = 4;
  *(uint16_t*)0x200002d3 = 0x10;
  *(uint8_t*)0x200002d5 = 6;
  *(uint8_t*)0x200002d6 = 4;
  *(uint8_t*)0x200002d7 = 9;
  *(uint8_t*)0x200002d8 = 9;
  *(uint8_t*)0x200002d9 = 5;
  *(uint8_t*)0x200002da = 0xb;
  *(uint8_t*)0x200002db = 0;
  *(uint16_t*)0x200002dc = 0x40;
  *(uint8_t*)0x200002de = 4;
  *(uint8_t*)0x200002df = 9;
  *(uint8_t*)0x200002e0 = 0x80;
  *(uint8_t*)0x200002e1 = 2;
  *(uint8_t*)0x200002e2 = 0x22;
  *(uint8_t*)0x200002e3 = 9;
  *(uint8_t*)0x200002e4 = 5;
  *(uint8_t*)0x200002e5 = 7;
  *(uint8_t*)0x200002e6 = 0x10;
  *(uint16_t*)0x200002e7 = 0x10;
  *(uint8_t*)0x200002e9 = 0x10;
  *(uint8_t*)0x200002ea = 0xfb;
  *(uint8_t*)0x200002eb = 6;
  *(uint8_t*)0x200002ec = 7;
  *(uint8_t*)0x200002ed = 0x25;
  *(uint8_t*)0x200002ee = 1;
  *(uint8_t*)0x200002ef = 3;
  *(uint8_t*)0x200002f0 = 0;
  *(uint16_t*)0x200002f1 = 0xfbff;
  *(uint8_t*)0x200002f3 = 9;
  *(uint8_t*)0x200002f4 = 5;
  *(uint8_t*)0x200002f5 = 7;
  *(uint8_t*)0x200002f6 = 0;
  *(uint16_t*)0x200002f7 = 0x10;
  *(uint8_t*)0x200002f9 = 8;
  *(uint8_t*)0x200002fa = 8;
  *(uint8_t*)0x200002fb = 6;
  *(uint8_t*)0x200002fc = 0xce;
  *(uint8_t*)0x200002fd = 5;
  memcpy((void*)0x200002fe,
         "\x5c\xb7\xa1\xc6\xbc\x54\xf6\xc8\xd4\x78\xa5\x88\x04\x41\xbd\xe2\x0f"
         "\x2e\x3c\x8c\xa7\x48\x6d\x61\xa2\x53\xa3\x66\x00\x5c\xd0\x17\xd6\x06"
         "\xc8\x2f\xd6\x28\xf5\x9f\x0b\x3d\xa4\xb3\x55\x48\x85\xd7\x1c\x9c\x86"
         "\xce\xfe\xdb\xc0\x0a\xfc\xd3\x96\x8a\x4b\x6f\x0c\xa1\x4c\x13\xb7\xcd"
         "\x5d\xf4\x26\xbe\xa6\xeb\x56\x0f\x3f\x8e\xf7\x6b\x10\x39\x5b\xe5\x20"
         "\x93\x67\x26\x02\xac\x84\x5f\x76\x06\x7e\xcc\x8f\xd9\x0b\xf1\x56\x18"
         "\x99\xa8\xd5\xf9\x23\xea\x52\x54\xec\x46\x04\xb4\x55\x98\x65\x59\xf2"
         "\x3e\x8d\xe0\x4e\xef\x5a\x29\x7e\xf9\xe8\xdb\x48\x7b\xfc\x11\xbc\x82"
         "\xf0\x3b\x02\x67\x00\x40\xe0\x6b\x83\x92\xff\xff\xc8\x80\x7c\xe3\xbf"
         "\x24\x49\x3e\xb8\x5b\xcc\x95\x3c\xeb\x8b\x42\x2a\x1f\xfe\x7c\xa2\x8f"
         "\xb1\x90\x79\x99\x98\xa6\xb2\xa2\x18\x28\xbf\x05\x0f\xe9\x0d\x01\x50"
         "\xd8\xac\x5d\xfc\xbc\x6d\xb7\xb6\xcc\xc5\xd2\x3e\x7d\x05\x18\xc1\x2c",
         204);
  *(uint8_t*)0x200003ca = 9;
  *(uint8_t*)0x200003cb = 5;
  *(uint8_t*)0x200003cc = 9;
  *(uint8_t*)0x200003cd = 8;
  *(uint16_t*)0x200003ce = 0x10;
  *(uint8_t*)0x200003d0 = 6;
  *(uint8_t*)0x200003d1 = 4;
  *(uint8_t*)0x200003d2 = 1;
  *(uint8_t*)0x200003d3 = 9;
  *(uint8_t*)0x200003d4 = 5;
  *(uint8_t*)0x200003d5 = 0xc;
  *(uint8_t*)0x200003d6 = 0xc;
  *(uint16_t*)0x200003d7 = 0x40;
  *(uint8_t*)0x200003d9 = 0x80;
  *(uint8_t*)0x200003da = 4;
  *(uint8_t*)0x200003db = 0xf9;
  *(uint8_t*)0x200003dc = 0xf4;
  *(uint8_t*)0x200003dd = 6;
  memcpy(
      (void*)0x200003de,
      "\xe3\xb5\x22\x6f\xd7\x5a\x86\x00\xfe\x57\x2c\x56\xf6\x62\x44\xe6\x72\xb1"
      "\x63\x57\x3b\x5b\x02\xb8\x10\x98\x94\x9a\xa8\xbb\x92\xb2\x28\xaa\x62\x06"
      "\x7b\x41\x69\xbe\x19\x01\x9e\x97\xd1\x79\x46\xb3\x34\xaf\xc4\xa4\x6d\x92"
      "\xc0\x35\x06\x90\x2f\xe1\x96\x8e\x54\xbc\xec\xb2\x56\x41\x5d\x71\x9b\xd2"
      "\x68\xd1\x19\xda\x3f\xf1\x85\x33\x8d\x17\x54\x8f\xcc\x65\xda\xc4\xd7\xc7"
      "\x3d\x40\x09\x06\xa9\xb6\xbd\xa5\x7d\xe1\xea\xc7\xf8\x78\x7c\x67\xe5\x11"
      "\x96\xb6\x25\x88\xe4\x3e\x3f\xdc\xb5\xe9\xba\x8e\x00\x54\x58\x35\x66\x05"
      "\x0e\x0d\xba\xb4\x9f\x8f\xf0\x74\x12\x4f\x95\xfa\xa9\x5f\x6e\x64\x33\xbd"
      "\x1e\x0c\xa5\xa6\x2d\xca\x75\xfe\x3b\x02\x8c\x9f\x57\x96\x57\x5e\xf2\xb1"
      "\x18\xc4\x3c\xab\x8e\x1a\x01\xcb\xa0\x0f\xeb\xa8\xa4\x25\x0f\x09\xc7\x07"
      "\x1b\x7a\x10\xef\xbe\x0d\xe4\x1f\x95\x57\xb4\xaa\x3a\x4b\x25\x0c\x14\xc9"
      "\x6b\x95\xd0\xc5\x23\xf6\xf2\xcd\x1c\x7e\x3b\xf9\xe9\x00\xb9\xa2\xa3\xf0"
      "\x9b\x86\xfe\xde\xc8\xdd\xf2\xfd\xef\x5a\xd1\x8a\xb4\x04\x03\xcd\x21\x4f"
      "\x0f\x88\xca\x70\x1d\xbd\x18\xfc",
      242);
  *(uint8_t*)0x200004d0 = 2;
  *(uint8_t*)0x200004d1 = 0xf;
  *(uint32_t*)0x20000740 = 0xa;
  *(uint64_t*)0x20000744 = 0x200006c0;
  *(uint8_t*)0x200006c0 = 0xa;
  *(uint8_t*)0x200006c1 = 6;
  *(uint16_t*)0x200006c2 = 0x200;
  *(uint8_t*)0x200006c4 = 2;
  *(uint8_t*)0x200006c5 = 0xb;
  *(uint8_t*)0x200006c6 = 8;
  *(uint8_t*)0x200006c7 = 0;
  *(uint8_t*)0x200006c8 = 0xa6;
  *(uint8_t*)0x200006c9 = 0;
  *(uint32_t*)0x2000074c = 5;
  *(uint64_t*)0x20000750 = 0x20000700;
  *(uint8_t*)0x20000700 = 5;
  *(uint8_t*)0x20000701 = 0xf;
  *(uint16_t*)0x20000702 = 5;
  *(uint8_t*)0x20000704 = 0;
  *(uint32_t*)0x20000758 = 0;
  syz_usb_connect(/*speed=USB_SPEED_HIGH*/ 3, /*dev_len=*/0x392,
                  /*dev=*/0x20000140, /*conn_descs=*/0x20000740);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x4b64, /*arg=*/0x200007c0ul);
  *(uint8_t*)0x20000800 = 0x12;
  *(uint8_t*)0x20000801 = 1;
  *(uint16_t*)0x20000802 = 0x110;
  *(uint8_t*)0x20000804 = 0;
  *(uint8_t*)0x20000805 = 0;
  *(uint8_t*)0x20000806 = 0;
  *(uint8_t*)0x20000807 = 0x10;
  *(uint16_t*)0x20000808 = 0x525;
  *(uint16_t*)0x2000080a = 0xa4a8;
  *(uint16_t*)0x2000080c = 0x40;
  *(uint8_t*)0x2000080e = 1;
  *(uint8_t*)0x2000080f = 2;
  *(uint8_t*)0x20000810 = 3;
  *(uint8_t*)0x20000811 = 1;
  *(uint8_t*)0x20000812 = 9;
  *(uint8_t*)0x20000813 = 2;
  *(uint16_t*)0x20000814 = 0x24;
  *(uint8_t*)0x20000816 = 1;
  *(uint8_t*)0x20000817 = 1;
  *(uint8_t*)0x20000818 = 6;
  *(uint8_t*)0x20000819 = 0x50;
  *(uint8_t*)0x2000081a = 0xea;
  *(uint8_t*)0x2000081b = 9;
  *(uint8_t*)0x2000081c = 4;
  *(uint8_t*)0x2000081d = 0;
  *(uint8_t*)0x2000081e = 0x7f;
  *(uint8_t*)0x2000081f = 5;
  *(uint8_t*)0x20000820 = 7;
  *(uint8_t*)0x20000821 = 1;
  *(uint8_t*)0x20000822 = 2;
  *(uint8_t*)0x20000823 = 0x34;
  *(uint8_t*)0x20000824 = 9;
  *(uint8_t*)0x20000825 = 5;
  *(uint8_t*)0x20000826 = 1;
  *(uint8_t*)0x20000827 = 2;
  *(uint16_t*)0x20000828 = 0x20;
  *(uint8_t*)0x2000082a = 0x10;
  *(uint8_t*)0x2000082b = 1;
  *(uint8_t*)0x2000082c = 0x80;
  *(uint8_t*)0x2000082d = 9;
  *(uint8_t*)0x2000082e = 5;
  *(uint8_t*)0x2000082f = 0x82;
  *(uint8_t*)0x20000830 = 2;
  *(uint16_t*)0x20000831 = 0x10;
  *(uint8_t*)0x20000833 = 9;
  *(uint8_t*)0x20000834 = 0;
  *(uint8_t*)0x20000835 = 0x28;
  *(uint32_t*)0x20000980 = 0;
  *(uint64_t*)0x20000984 = 0;
  *(uint32_t*)0x2000098c = 0;
  *(uint64_t*)0x20000990 = 0;
  *(uint32_t*)0x20000998 = 3;
  *(uint32_t*)0x2000099c = 0;
  *(uint64_t*)0x200009a0 = 0;
  *(uint32_t*)0x200009a8 = 0;
  *(uint64_t*)0x200009ac = 0;
  *(uint32_t*)0x200009b4 = 4;
  *(uint64_t*)0x200009b8 = 0x20000940;
  *(uint8_t*)0x20000940 = 4;
  *(uint8_t*)0x20000941 = 3;
  *(uint16_t*)0x20000942 = 0x1009;
  syz_usb_connect(/*speed=USB_SPEED_HIGH*/ 3, /*dev_len=*/0x36,
                  /*dev=*/0x20000800, /*conn_descs=*/0x20000980);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x4b3a, /*arg=*/1ul);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x4b65, /*arg=*/3ul);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x89f1, /*arg=*/0ul);
  memcpy((void*)0x20001080, "syztnl2\000\000\000\000\000\000\000\000\000", 16);
  *(uint64_t*)0x20001090 = 0x20001000;
  memcpy((void*)0x20001000, "syztnl2\000\000\000\000\000\000\000\000\000", 16);
  *(uint32_t*)0x20001010 = 0;
  *(uint8_t*)0x20001014 = 0x2f;
  *(uint8_t*)0x20001015 = 9;
  *(uint8_t*)0x20001016 = 9;
  *(uint32_t*)0x20001018 = htobe32(4);
  *(uint32_t*)0x2000101c = 0x2c;
  *(uint8_t*)0x20001020 = 0xfc;
  *(uint8_t*)0x20001021 = 0;
  memset((void*)0x20001022, 0, 13);
  *(uint8_t*)0x2000102f = 0;
  *(uint8_t*)0x20001030 = 0xfe;
  *(uint8_t*)0x20001031 = 0x80;
  memset((void*)0x20001032, 0, 13);
  *(uint8_t*)0x2000103f = 0xaa;
  *(uint16_t*)0x20001040 = htobe16(0x20);
  *(uint16_t*)0x20001042 = htobe16(0x80);
  *(uint32_t*)0x20001044 = htobe32(4);
  *(uint32_t*)0x20001048 = htobe32(1);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x89f2, /*arg=*/0x20001080ul);
  syscall(__NR_socket, /*domain=*/2ul, /*type=*/1ul, /*proto=*/0);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x5410, /*arg=*/0ul);
  *(uint16_t*)0x20001140 = 2;
  *(uint16_t*)0x20001142 = 7;
  syscall(__NR_setsockopt, /*fd=*/-1, /*level=*/0x107, /*optname=*/0x12,
          /*optval=*/0x20001140ul, /*optlen=*/4ul);
  *(uint32_t*)0x200011c0 = 1;
  *(uint32_t*)0x200011c4 = 1;
  *(uint32_t*)0x200011c8 = 0x18;
  *(uint32_t*)0x200011cc = r[0];
  memcpy((void*)0x200011d8, "./file0\000", 8);
  res =
      syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0xc0189379, /*arg=*/0x200011c0ul);
  if (res != -1)
    r[1] = *(uint32_t*)0x200011cc;
  *(uint64_t*)0x200012c0 = 0;
  *(uint32_t*)0x200012c8 = 0;
  *(uint64_t*)0x200012d0 = 0x20001280;
  *(uint64_t*)0x20001280 = 0x20001240;
  *(uint32_t*)0x20001240 = 0x14;
  *(uint8_t*)0x20001244 = 4;
  *(uint8_t*)0x20001245 = 1;
  *(uint16_t*)0x20001246 = 0x101;
  *(uint32_t*)0x20001248 = 0;
  *(uint32_t*)0x2000124c = 0;
  *(uint8_t*)0x20001250 = 9;
  *(uint8_t*)0x20001251 = 0;
  *(uint16_t*)0x20001252 = htobe16(3);
  *(uint64_t*)0x20001288 = 0x14;
  *(uint64_t*)0x200012d8 = 1;
  *(uint64_t*)0x200012e0 = 0;
  *(uint64_t*)0x200012e8 = 0;
  *(uint32_t*)0x200012f0 = 0x44000;
  syscall(__NR_sendmsg, /*fd=*/r[1], /*msg=*/0x200012c0ul,
          /*f=MSG_OOB|MSG_MORE*/ 0x8001ul);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0ul,
                /*flags=O_LARGEFILE|O_DIRECT|O_APPEND*/ 0x30400, /*mode=*/0);
  if (res != -1)
    r[2] = res;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x127d, /*arg=*/0ul);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xae80, /*arg=*/0ul);
}
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);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}