// https://syzkaller.appspot.com/bug?id=a804169bb1a5b3ed9fcee2914b4d733f16528cff
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <setjmp.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/ioctl.h>
#include <sys/mman.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/futex.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

static void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

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;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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 reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

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

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 8; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 7 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    //  ioctl$KVM_SET_MSRS arguments: [
    //    fd: fd_kvmcpu (resource)
    //    cmd: const = 0x4008ae89 (4 bytes)
    //    arg: ptr[in, kvm_msrs] {
    //      kvm_msrs {
    //        nmsrs: len = 0x1 (4 bytes)
    //        pad: const = 0x0 (4 bytes)
    //        entries: array[kvm_msr_entry] {
    //          kvm_msr_entry {
    //            index: msr_index = 0x4000009c (4 bytes)
    //            reserv: const = 0x0 (4 bytes)
    //            data: int64 = 0x0 (8 bytes)
    //          }
    //        }
    //      }
    //    }
    //  ]
    *(uint32_t*)0x200000000200 = 1;
    *(uint32_t*)0x200000000204 = 0;
    *(uint32_t*)0x200000000208 = 0x4000009c;
    *(uint32_t*)0x20000000020c = 0;
    *(uint64_t*)0x200000000210 = 0;
    syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0x4008ae89,
            /*arg=*/0x200000000200ul);
    break;
  case 1:
    //  socket$inet6 arguments: [
    //    domain: const = 0xa (8 bytes)
    //    type: socket_type = 0x80002 (8 bytes)
    //    proto: int32 = 0x0 (4 bytes)
    //  ]
    //  returns sock_in6
    res = syscall(__NR_socket, /*domain=*/0xaul,
                  /*type=SOCK_CLOEXEC|SOCK_DGRAM*/ 0x80002ul, /*proto=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    //  setsockopt$sock_linger arguments: [
    //    fd: sock (resource)
    //    level: const = 0x1 (4 bytes)
    //    optname: const = 0x3c (4 bytes)
    //    optval: nil
    //    optlen: len = 0x0 (8 bytes)
    //  ]
    syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/1, /*optname=*/0x3c,
            /*optval=*/0ul, /*optlen=*/0ul);
    break;
  case 3:
    //  mkdirat arguments: [
    //    fd: fd_dir (resource)
    //    path: ptr[in, buffer] {
    //      buffer: {2e 2f 73 79 73 00} (length 0x6)
    //    }
    //    mode: open_mode = 0x1ff (8 bytes)
    //  ]
    memcpy((void*)0x200000000000, "./sys\000", 6);
    syscall(
        __NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000000ul,
        /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
        0x1fful);
    break;
  case 4:
    //  mount arguments: [
    //    src: nil
    //    dst: ptr[in, buffer] {
    //      buffer: {2e 2f 73 79 73 00} (length 0x6)
    //    }
    //    type: ptr[in, buffer] {
    //      buffer: {73 79 73 66 73 00} (length 0x6)
    //    }
    //    flags: mount_flags = 0x0 (8 bytes)
    //    data: nil
    //  ]
    memcpy((void*)0x200000000000, "./sys\000", 6);
    memcpy((void*)0x200000000100, "sysfs\000", 6);
    syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000000ul,
            /*type=*/0x200000000100ul, /*flags=*/0ul, /*data=*/0ul);
    break;
  case 5:
    //  openat arguments: [
    //    fd: fd_dir (resource)
    //    file: ptr[in, buffer] {
    //      buffer: {2e 2f 73 79 73 2f 62 75 73 2f 70 6c 61 74 66 6f 72 6d 2f 64
    //      72 69 76 65 72 73 2f 76 68 63 69 5f 68 63 64 2f 75 6e 62 69 6e 64
    //      00} (length 0x2b)
    //    }
    //    flags: open_flags = 0x1 (4 bytes)
    //    mode: open_mode = 0x0 (2 bytes)
    //  ]
    //  returns fd
    memcpy((void*)0x200000000200,
           "./sys/bus/platform/drivers/vhci_hcd/unbind\000", 43);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000200ul,
                  /*flags=O_WRONLY*/ 1, /*mode=*/0);
    if (res != -1)
      r[1] = res;
    break;
  case 6:
    //  write arguments: [
    //    fd: fd (resource)
    //    buf: ptr[in, buffer] {
    //      buffer: {76 68 63 69 5f 68 63 64 2e 30} (length 0xa)
    //    }
    //    count: len = 0xa (8 bytes)
    //  ]
    memcpy((void*)0x200000000300, "vhci_hcd.0", 10);
    syscall(__NR_write, /*fd=*/r[1], /*buf=*/0x200000000300ul, /*count=*/0xaul);
    break;
  case 7:
    //  syz_mount_image$udf arguments: [
    //    fs: ptr[in, buffer] {
    //      buffer: {75 64 66 00} (length 0x4)
    //    }
    //    dir: ptr[in, buffer] {
    //      buffer: {2e 2f 62 75 73 00} (length 0x6)
    //    }
    //    flags: mount_flags = 0x0 (8 bytes)
    //    opts: ptr[inout, array[ANYUNION]] {
    //      array[ANYUNION] {
    //        union ANYUNION {
    //          ANYBLOB: buffer: {73 68 6f 72 74 61 64 2c 75 6e 64 65 6c 65 74
    //          65 2c 73 65 73 73 69 6f 6e 3d 30 30 30 30 00 08 00 00 30 30 30
    //          30 30 30 30 30 30 31 39 30 2c 6d 6f 64 65 3d 30 30 30 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 35 2c 72 6f 6f
    //          74 64 69 72 3d 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30
    //          30 30 30 35 2c 64 6d 6f 64 65 3d 30 30 30 30 30 30 30 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 30 30 36 2c 69 6f 63 68 61 72 73
    //          65 74 3d 63 70 31 32 35 31 2c 69 6f 63 68 61 72 73 65 74 3d 6b
    //          6f 69 38 2d 72 2c 6e 6f 76 72 73 2c 00 84 f5 b2 3d 82 aa cb ef
    //          d1 de 1d aa b7 39 4a 9b 46 96 46 1d a9 ab 46 f2 d7 1c 89 5d 8c}
    //          (length 0xcc)
    //        }
    //        union ANYUNION {
    //          ANYRESOCT: ANYRES64 (resource)
    //        }
    //      }
    //    }
    //    chdir: int8 = 0x9 (1 bytes)
    //    size: len = 0xc41 (8 bytes)
    //    img: ptr[in, buffer] {
    //      buffer: (compressed buffer with length 0xc41)
    //    }
    //  ]
    //  returns fd_dir
    memcpy((void*)0x200000000f00, "udf\000", 4);
    memcpy((void*)0x200000000000, "./bus\000", 6);
    memcpy(
        (void*)0x200000001500,
        "\x73\x68\x6f\x72\x74\x61\x64\x2c\x75\x6e\x64\x65\x6c\x65\x74\x65\x2c"
        "\x73\x65\x73\x73\x69\x6f\x6e\x3d\x30\x30\x30\x30\x00\x08\x00\x00\x30"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x31\x39\x30\x2c\x6d\x6f\x64\x65\x3d"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
        "\x30\x30\x30\x30\x30\x35\x2c\x72\x6f\x6f\x74\x64\x69\x72\x3d\x30\x30"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
        "\x35\x2c\x64\x6d\x6f\x64\x65\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x36\x2c\x69\x6f"
        "\x63\x68\x61\x72\x73\x65\x74\x3d\x63\x70\x31\x32\x35\x31\x2c\x69\x6f"
        "\x63\x68\x61\x72\x73\x65\x74\x3d\x6b\x6f\x69\x38\x2d\x72\x2c\x6e\x6f"
        "\x76\x72\x73\x2c\x00\x84\xf5\xb2\x3d\x82\xaa\xcb\xef\xd1\xde\x1d\xaa"
        "\xb7\x39\x4a\x9b\x46\x96\x46\x1d\xa9\xab\x46\xf2\xd7\x1c\x89\x5d\x8c",
        204);
    sprintf((char*)0x2000000015cc, "%023llo", (long long)-1);
    memcpy(
        (void*)0x200000001b80,
        "\x78\x9c\xec\xdd\x4f\x6c\x1c\xd7\x7d\x07\xf0\xdf\x1b\x91\xe2\xd2\x6e"
        "\x2b\xc6\x76\x14\x27\x8d\x8b\x4d\x5b\xa4\xb2\x62\xb9\xfa\x17\x53\xb1"
        "\x0a\x77\x55\xd3\x6c\x03\xc8\x32\x11\x8a\xb9\x05\xe0\x8a\xa4\xd4\x85"
        "\x29\x92\x20\xa9\x46\x36\xd2\x82\xee\xa5\x87\x1e\x02\x14\x45\x0f\x39"
        "\x11\x68\x8d\x02\x29\x1a\x18\x4d\x11\xf4\xc8\xb4\x2e\x90\x5c\x7c\x28"
        "\x72\xea\x89\x68\x61\x23\x28\x7a\x60\x8b\x00\x39\x05\x0c\x66\xf6\xad"
        "\xb8\xa4\x49\x9b\x36\xff\x88\xb2\x3e\x1f\x9b\xfa\xee\xce\xbc\x37\xf3"
        "\xde\xcc\x72\x46\x22\xf8\xe6\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x10\xf1\x07\x2f\x5d\x39\x7b\x2e\xdd\xef\x56\x00"
        "\x00\x87\xe9\xda\xe8\xd7\xce\x9e\x77\xff\x07\x80\x87\xca\x75\xff\xfe"
        "\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xa3\x2e\x45\x11\x8f"
        "\x47\x8a\xb9\x6b\x6b\x69\xbc\x7a\xdf\x56\xbb\xda\xea\xbd\x73\x77\x6c"
        "\x68\x78\xfb\x6a\xfd\xa9\xaa\x79\xac\x2a\x5f\x7e\xd5\xce\x9d\xbf\x70"
        "\xf1\xcb\xcf\x0d\x5e\xea\xe4\xd5\xd6\xcc\x07\xd4\xdf\x6f\x9f\x8b\x57"
        "\x46\xaf\x5f\xa9\xbf\x38\x7b\x7b\x6e\x7e\x6a\x61\x61\x6a\xb2\x3e\x36"
        "\xd3\x9a\x98\x9d\x9c\xda\xf5\x16\xf6\x5a\x7f\xab\xd3\xd5\x01\xa8\xdf"
        "\x7e\xf5\xce\xe4\xcd\x9b\x0b\xf5\xf3\xcf\x5e\xd8\xb4\xfa\xee\xc0\x7b"
        "\x7d\x8f\x9e\x1c\xb8\x3c\xf8\xf4\x99\xa7\x3a\x65\xc7\x86\x86\x87\x47"
        "\x37\x8a\xd4\xba\xcb\xf7\x7c\xec\x86\xb4\xed\x34\xc2\xe3\x78\x14\x71"
        "\x26\x52\x3c\xf3\xbd\x9f\xa6\x66\x44\x14\xb1\xf7\x63\x51\x3b\xdc\x73"
        "\xbf\x55\x7f\xd5\x89\xd3\x55\x27\xc6\x86\x86\xab\x8e\x4c\xb7\x9a\x33"
        "\x8b\xe5\xca\x91\xce\x81\x28\x22\xea\x5d\x95\x1a\x9d\x63\xb4\xfd\xb9"
        "\x88\x9e\xde\x43\xed\xc3\xce\x1a\x11\x4b\x65\xf3\xcb\x06\x9f\x2e\xbb"
        "\x37\x3a\xd7\x9c\x6f\xde\x98\x9e\xaa\x8f\x34\xe7\x17\x5b\x8b\xad\xd9"
        "\x99\x91\xd4\x6e\x6d\xd9\x9f\x7a\x14\x71\x29\x45\x2c\x47\xc4\x6a\xdf"
        "\xfb\x37\xd7\x1b\x45\xf4\x44\x8a\xef\x9c\x58\x4b\x37\x22\xe2\x58\xe7"
        "\x38\x7c\xa9\x1a\x18\xbc\x73\x3b\x8a\x03\xec\xe3\x2e\x94\xed\xac\xf7"
        "\x46\x2c\x17\x0f\xc0\x39\x3b\xc2\xfa\xa2\x88\x97\x23\xc5\xcf\xde\x3e"
        "\x15\x13\xf9\x3a\x53\x5d\x6b\xbe\x18\xf1\x72\x99\x3f\x88\x78\xb3\xcc"
        "\x17\x22\x52\xf9\xc1\xb8\x18\xf1\xee\x36\x9f\x23\x1e\x4c\x3d\x51\xc4"
        "\x5f\x96\xe7\xff\xf2\x5a\x9a\xac\xae\x07\x9d\xeb\xca\xd5\xaf\xd7\xbf"
        "\x3a\x73\x73\xb6\xab\x6c\xe7\xba\xf2\x11\xef\x0f\xef\xbb\x52\xdc\xa7"
        "\xfb\x43\xff\x96\x3c\x1c\x47\xfc\xda\x54\x8b\x22\x9a\xd5\x15\x7f\x2d"
        "\x7d\xfc\xbf\xec\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\xb0\xdf\xfa\xa3\x88\xcf\x46\x8a\x97\xfe\xe3\x4f\xaa\x71\xc5\x51\x8d"
        "\x4b\x3f\x71\x79\xf0\x0f\x07\x7e\xb5\x7b\xcc\xf8\x93\x1f\xb2\x9d\xb2"
        "\xec\xb3\x11\xb1\x54\xec\x6e\x4c\xee\xf1\x3c\x30\x70\x24\x8d\xa4\x74"
        "\x9f\xc7\x12\x3f\xcc\x6a\x51\xc4\x9f\xe6\xf1\x7f\x6f\xdc\xef\xc6\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3c\xd4\x8a"
        "\xf8\x49\xa4\x78\xfe\x9d\x53\x69\x39\xba\xe7\x14\x6f\xcd\xdc\xaa\x5f"
        "\x6f\xde\x98\x6e\xcf\x0a\xdb\x99\xfb\xb7\x33\x67\xfa\xfa\xfa\xfa\x7a"
        "\x3d\xb5\xb3\x91\x73\x3c\xe7\x52\xce\xe5\x9c\x2b\x39\x57\x73\x46\x91"
        "\xeb\xe7\x6c\xe4\x1c\xcf\xb9\x94\x73\x39\xe7\x4a\xce\xd5\x9c\x71\x2c"
        "\xd7\xcf\xd9\xc8\x39\x9e\x73\x29\xe7\x72\xce\x95\x9c\xab\x39\xa3\x27"
        "\xd7\xcf\xd9\xc8\x39\x9e\x73\x29\xe7\x72\xce\x95\x9c\xab\x39\xe3\x88"
        "\xcc\xdd\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0\x49"
        "\x52\x44\x11\xbf\x88\x14\xdf\xfe\xe6\x5a\x8a\x14\x11\x8d\x88\xf1\x68"
        "\xe7\x4a\xdf\xfd\x6e\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x50\xea\x4b\x45\x7c\x3f\x52\xd4\xff\xa8\x71\x6f\x59\x4f\x44"
        "\xa4\xea\xff\xb6\x53\xe5\x1f\x17\xa3\x71\xbc\xcc\xc7\xa2\x31\x58\xe6"
        "\x0b\xd1\xb8\x92\xb3\x59\x65\x4f\xe3\x8d\xfb\xd0\x7e\xf6\xa6\x37\x15"
        "\xf1\xe3\x48\xd1\x57\x7b\x2b\x52\x4f\x7b\x59\x3e\xff\xbd\xed\x77\xf7"
        "\x3e\x06\xf1\xe6\xb7\x36\xde\x7d\x2e\x97\x3d\xd6\x59\x39\xf0\x5e\xdf"
        "\xa3\x27\x4f\x5c\x1e\x1c\xfe\x8d\x27\x77\x7a\x9d\xb6\x6b\xc0\xe9\xab"
        "\xad\x99\x3b\x77\xeb\x63\x43\xc3\xc3\xa3\x5d\x8b\x7b\xf2\xde\x1f\xeb"
        "\x5a\x36\x90\xf7\x5b\xec\x53\xdf\x89\x58\x78\xed\xf5\x57\x9b\xd3\xd3"
        "\x53\xf3\x1f\xff\x45\xf9\x11\xd8\x43\xf5\x07\xe8\x45\xf9\x0d\x72\x04"
        "\x9a\xe1\xc5\x61\xbd\x88\x9e\x23\xd1\x8c\xfb\xd3\x77\x1e\x02\xe5\xfd"
        "\xff\xdd\x48\xf1\xbb\xef\xfc\x67\xe7\x86\xdf\xbe\xff\xd7\xe2\x57\xda"
        "\xef\xee\xdd\xe1\xe3\xe7\x7f\xb6\x71\xff\x7f\x7e\xeb\x86\x76\x79\xff"
        "\xef\xd9\x5a\x2f\xdf\xff\xcb\x7b\xfa\x76\xf7\xff\xc7\xbb\x96\x3d\x9f"
        "\xff\x36\xd2\xdb\x13\x51\x5b\xbc\x3d\xd7\x7b\x32\xa2\xb6\xf0\xda\xeb"
        "\x67\x5a\xb7\x9b\xb7\xa6\x6e\x4d\xcd\x5c\x3c\x7b\xf6\x2b\x83\x83\x5f"
        "\xb9\x70\xb6\xf7\x78\x44\xed\x66\x6b\x7a\xaa\xeb\xd5\xbe\x1c\x2e\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xc3\x93\x8a\xf8\xfd"
        "\x48\xd1\xfc\xf1\x5a\xaa\x47\xc4\xdd\x6a\xbc\xd6\xc0\xe5\xc1\xa7\xcf"
        "\x3c\x75\x2c\x8e\x55\xe3\xad\x36\x8d\xdb\x7e\x65\xf4\xfa\x95\xfa\x8b"
        "\xb3\xb7\xe7\xe6\xa7\x16\x16\xa6\x26\xeb\x63\x33\xad\x89\xd9\xc9\xa9"
        "\xdd\xee\xae\x56\x0d\xf7\x1a\x1b\x1a\x3e\x90\xce\x7c\xa8\xfe\x03\x6e"
        "\x7f\x7f\xed\xc5\xd9\xb9\xd7\xe6\x5b\xb7\xfe\x78\x71\xdb\xf5\x8f\xd4"
        "\xae\xdc\x58\x58\x9c\x6f\x4e\x6c\xbf\x3a\xfa\xa3\x88\x68\x74\x2f\x39"
        "\x5d\x35\x78\x6c\x68\xb8\x6a\xf4\x74\xab\x39\x53\x55\x1d\xd9\x76\x30"
        "\xfd\x47\xd7\x9b\x8a\xf8\xaf\x48\x31\x71\xb1\x9e\xbe\x90\x97\xe5\xf1"
        "\xff\x5b\x47\xf8\x6f\x1a\xff\xbf\xb4\x75\x43\x07\x34\xfe\xff\x53\x5d"
        "\xcb\xca\x7d\xa6\x54\xc4\xcf\x23\xc5\xef\xfc\xd5\x93\xf1\x85\xaa\x9d"
        "\x8f\xc4\xfb\x8e\x59\x2e\xf7\x77\x91\xe2\xf4\xa5\xcf\xe7\x72\x71\xbc"
        "\x2c\xd7\x69\xc3\x63\xd5\x43\x04\xda\x23\x03\xcb\xb2\xff\x17\x29\xfe"
        "\xe9\x17\x9b\xcb\x76\xc6\x43\xb6\xc7\x20\x56\x65\xcf\xed\xfe\xc8\x3e"
        "\x18\xca\xf3\x7f\x22\x52\x7c\xff\x2f\xbe\x1b\xbf\x99\x97\x6d\x7e\xfe"
        "\xc3\xf6\xe7\xff\x91\xad\x1b\x3a\xa0\xf3\xff\x44\xd7\xb2\x47\x36\x3d"
        "\xaf\x60\xcf\x5d\x27\x9f\xff\x33\x91\xe2\x85\xc7\xdf\x8a\xdf\xca\xcb"
        "\x3e\xe8\xf9\x1f\x9d\x67\x6f\x9c\xca\x85\xef\x3d\x9f\xe3\x80\xce\xff"
        "\xa7\xbb\x96\x0d\xe4\xfd\xfe\xf6\xfe\x74\x1d\x00\x00\x00\x00\x00\x00"
        "\x00\x00\xe0\x81\xd6\x9b\x8a\xf8\xfb\x48\xf1\xc3\xe1\x9e\xf4\x5c\x5e"
        "\xb6\x9b\xdf\xff\x9b\xdc\xba\xa1\x03\xfa\xfd\xaf\xcf\x74\x2d\x9b\xdc"
        "\x9f\xf9\x8a\x3e\xf4\xc5\x9e\x0f\x2a\x00\x00\x00\x00\x1c\x11\xbd\xa9"
        "\x88\x9f\x44\x8a\x5b\x8b\x6f\xdd\x1b\x43\xbd\x79\xfc\x77\xd7\xf8\xcf"
        "\xdf\xdb\x18\xff\x39\x94\xb6\xac\xad\x7e\xce\xf7\x6b\xd5\x73\x03\xf6"
        "\xf3\xe7\x7f\xdd\x06\xf2\x7e\xc7\xf7\xde\x6d\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\x52\x52\x2a\xe2\xb9\x3c\x9f"
        "\xfa\x78\x35\x9e\x7f\x72\xc7\xf9\xd4\x57\x22\xc5\x4b\xff\xf3\x4c\x2e"
        "\x97\x4e\x96\xe5\x3a\xf3\xc0\x0f\x54\x7f\xd6\xae\xcd\xce\x9c\xb9\x32"
        "\x3d\x3d\x3b\xd1\x5c\x6c\xde\x98\x9e\xaa\x8f\xce\x35\x27\xa6\xca\xba"
        "\x4f\x44\x8a\xb5\xbf\xfd\x7c\xae\x5b\x54\xf3\xab\x77\xe6\x9b\x6f\xcf"
        "\xf1\xbe\x31\x17\xfb\x7c\xa4\x18\xfe\x87\x4e\xd9\xf6\x5c\xec\x9d\xb9"
        "\xc9\x9f\xd8\x28\x7b\xae\x2c\xfb\xa9\x48\xf1\xdf\xff\x98\xcb\xae\xaf"
        "\x57\x65\x3b\xf3\x58\x7f\x7a\xa3\xec\xf9\xb2\xec\xdf\x44\x8a\x6f\xfc"
        "\xcb\xe6\xed\x76\xca\x9e\xdc\x28\x7b\xa1\x2c\xfb\xdd\x48\xf1\xa3\x6f"
        "\xd4\x3b\x65\x1f\x29\xcb\x76\x9e\x8f\xfa\x99\x8d\xb2\xcf\x4e\xcc\x16"
        "\x07\x70\x56\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x78\xd8\xf4\xa6\x22\xfe\x3c\x52\xfc\xef\xed\xe5\x7b\x63\xf9\xf3"
        "\xfc\xff\xbd\x5d\x6f\x2b\x6f\x7e\xab\x6b\xbe\xff\x2d\xee\x56\xf3\xfc"
        "\x0f\x54\xf3\xff\xef\xf4\xfa\xe3\xcc\xff\x5f\x3d\x57\x60\x69\xa7\xbd"
        "\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x27\x53"
        "\x8a\x22\x5e\x8f\x14\x73\xd7\xd6\xd2\x4a\x5f\xf9\xbe\xad\x76\xb5\x35"
        "\x73\xe7\xee\xd8\xd0\xf0\xf6\xd5\xfa\x53\x55\xf3\x58\x55\xbe\xfc\xaa"
        "\x9d\x3b\x7f\xe1\xe2\x97\x9f\x1b\xbc\xd4\xc9\x0f\xae\xbf\xdf\x3e\x1b"
        "\xaf\x8c\x5e\xbf\x52\x7f\x71\xf6\xf6\xdc\xfc\xd4\xc2\xc2\xd4\x64\x7d"
        "\x6c\xa6\x35\x31\x3b\x39\xb5\xeb\x2d\xec\xb5\xfe\x56\xa7\xab\x03\x50"
        "\xbf\xfd\xea\x9d\xc9\x9b\x37\x17\xea\xe7\x9f\xbd\xb0\x69\xf5\xdd\x81"
        "\xf7\xfa\x1e\x3d\x39\x70\x79\xf0\xe9\x33\x4f\x75\xca\x8e\x0d\x0d\x0f"
        "\x8f\x76\x95\xe9\xe9\xfd\xa8\x3b\x7d\x63\xc7\x35\x69\x87\xe5\xc7\xa3"
        "\x88\xbf\x8e\x14\xcf\x7c\xef\xa7\xe9\x87\x7d\x11\x45\xec\xfd\x58\x6c"
        "\xfb\xd9\xe9\xdb\x7d\x2f\xf6\xa8\xbf\xea\xc4\xe9\xaa\x13\x63\x43\xc3"
        "\x55\x47\xa6\x5b\xcd\x99\xc5\x72\xe5\x48\xe7\x40\x14\x11\xf5\xae\x4a"
        "\x8d\xce\x31\xda\xb7\x73\x71\x40\x1a\x11\x4b\x65\xf3\xcb\x06\x9f\x2e"
        "\xbb\x37\x3a\xd7\x9c\x6f\xde\x98\x9e\xaa\x8f\x34\xe7\x17\x5b\x8b\xad"
        "\xd9\x99\x91\xd4\x6e\x6d\xd9\x9f\x7a\x14\x71\x29\x45\x2c\x47\xc4\xea"
        "\x36\xe7\xa0\x37\x8a\x78\x35\x52\x7c\xe7\xc4\x5a\xfa\xd7\xbe\x88\x63"
        "\x9d\xe3\xf0\xa5\x6b\xa3\x5f\x3b\x7b\x7e\xe7\x76\x14\x07\xd8\xc7\x5d"
        "\x28\xdb\x59\xef\x8d\x58\x2e\x1e\x80\x73\x76\x84\xf5\x45\x11\xff\x1c"
        "\x29\x7e\xf6\xf6\xa9\xf8\xb7\xbe\x88\x9e\x68\x7f\xc5\x17\x23\x5e\x2e"
        "\xf3\x07\x11\x6f\x46\xfb\x7c\xa7\xf2\x83\x71\x31\xe2\xdd\xc3\xfb\x5e"
        "\xe6\x80\xf5\x44\x11\xff\x5f\x9e\xff\xcb\x6b\xe9\xed\xbe\xf2\x7a\xd0"
        "\xb9\xae\x5c\xfd\x7a\xfd\xab\x33\x37\x67\xbb\xca\x76\xae\x2b\x07\x72"
        "\x7f\x38\x3c\xfd\x87\xba\xb7\x23\x7e\x6d\xaa\x45\x11\x3f\xaa\xae\xf8"
        "\x6b\xe9\xdf\x7d\x5f\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x1c\x21\x45\xfc\x7a\xa4\x78\xfe\x9d\x53\xa9\x1a\x1f\x7c\x6f\x4c"
        "\x71\x6b\xe6\x56\xfd\x7a\xf3\xc6\x74\x7b\x58\x5f\x67\xec\x5f\x67\xcc"
        "\xf4\xfa\xfa\xfa\x7a\x3d\xb5\xb3\x91\x73\x3c\xe7\x52\xce\xe5\x9c\x2b"
        "\x39\x57\x73\x46\x91\xeb\xe7\x6c\x94\x59\x5b\x5f\x1f\xcf\xef\x97\x72"
        "\x2e\xe7\x5c\xc9\xb9\x9a\x33\x8e\xe5\xfa\x39\x1b\x39\xc7\x73\x2e\xe5"
        "\x5c\xce\xb9\x92\x73\x35\x67\xf4\xe4\xfa\x39\x1b\x39\xc7\x73\x2e\xe5"
        "\x5c\xce\xb9\x92\x73\x35\x67\x1c\x91\xb1\x7b\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x27\x4b\x51\xfd\x97\xe2\xdb\xdf"
        "\x5c\x4b\xeb\x7d\xed\xf9\xa5\xc7\xa3\x9d\x2b\xe6\x03\xfd\xc4\xfb\x65"
        "\x00\x00\x00\xff\xff\x1b\x6d\xfb\x37",
        3137);
    syz_mount_image(/*fs=*/0x200000000f00, /*dir=*/0x200000000000, /*flags=*/0,
                    /*opts=*/0x200000001500, /*chdir=*/9, /*size=*/0xc41,
                    /*img=*/0x200000001b80);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}