// https://syzkaller.appspot.com/bug?id=73ff4940670bf26f0db626f686188dc04c3f40b3
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.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/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 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, 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 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, loopfd = -1, 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) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    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");
  }
  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) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  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;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW))
        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, MNT_DETACH | UMOUNT_NOFOLLOW))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

static int inject_fault(int nth)
{
  int fd;
  fd = open("/proc/thread-self/fail-nth", O_RDWR);
  if (fd == -1)
    exit(1);
  char buf[16];
  sprintf(buf, "%d", nth);
  if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
    exit(1);
  return fd;
}

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")) {
  }
}

static void setup_fault()
{
  static struct {
    const char* file;
    const char* val;
    bool fatal;
  } files[] = {
      {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true},
      {"/sys/kernel/debug/fail_futex/ignore-private", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false},
  };
  unsigned i;
  for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].file, files[i].val)) {
      if (files[i].fatal)
        exit(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 (;;) {
      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;
    }
    remove_dir(cwdbuf);
  }
}

void execute_one(void)
{
  memcpy((void*)0x200004c0, "udf\000", 4);
  memcpy((void*)0x20000500, "./file0\000", 8);
  memcpy(
      (void*)0x20000c40,
      "\x6c\x6f\x6e\x67\x61\x64\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\x31\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\x36\x2c\x00\x24\xca\x92\x81\xbf\xdd"
      "\x9f\x8b\x8b\x70\xaf\x28\x7b\x11\xce\x52\x54\x91\x25\xc6\x50\x21\x9e\x7c"
      "\xaa\x53\x83\x83\xdf\x45\x0c\x32\x77\x2a\x35\xd1\x6d\xbf\xc7\xcf\xd1\x75"
      "\x66\x1f\x58\xb9\xfb\x61\x59\x7e\xf9\x71\x69\x13\xe4\xd2\x6b\x22\x7d\x85"
      "\xb3\x8d\x6b\x7f\xad\x97\x22\xe1\xac\x12\x6c\x11\x63\x18\x9a\xe1\xaf\xa7"
      "\x71\xd7\xca\xf7\xa3\x5a\x7f\x50\xef\x5f\xaf\x0c\xe9\xc3\x2c\x52\xa8\xb0"
      "\x44\xd6\xeb\xed\x67\x95\xeb\x5e\xe7\x39\x9f\xd7\xee\xe9\x84\x5d\x70\x71"
      "\x67\x50\x58\xa1\xb6\x09\xf7\x8d\x58\x0f\xd3\x39\x62\xe5\xf3\x9a\x35\xc3"
      "\x20\xbb\xca\xfc\xf1\x71\x01\xc8\xca\x13\x8f\xb7\xee\xcd\x81\x65\x25\x7a"
      "\xf9\x06\x8c\xc2\xbc\x0f\x4b\xc7\x4f\xb6\xe2\x29\x9a\xef\x43\xd9\xb4\x42"
      "\x64\x2b\x60\x8c\x99\x0c\x04\xb2\x61\x64\xb6\x01\xce\xf0\xa0\xdd\x76\xa3"
      "\xb7\x44\xff\xd3\xef\xce\xc0\x5c\x83\x5f\xc6\x00\x00\x00\x00\xc7\x74\x45"
      "\xb1\xeb\x4e\xa5\x39\x21\x1f\xbd\x2f\x39\xc1\xde\x8e\xdf\x87\xcd\x20\xb0"
      "\x7b\x25\x81\xd9\xb2\x6b\xc1\xc6\x1a\x9c\x81\x37\x3f\x33\x79\xb2\xdb\x33"
      "\xfa\xf1\x9b\xc7\x06\x21\x47\xa6\x4e\x50\xff\x99\xf1\x37\x08\x47\x9d\xf5"
      "\x33\x81\xcb\x83\x68\x80\xd1\x01\xb0\x46\x89\xe3\xe5\x51\x93\xa7\xa5\x02"
      "\x4f\x6b\xd0\xb2\xf0\x9c\x8e\x53\x96\xe9\x08\xc0\x35\x91\xd9\xf3\x20\xf4"
      "\x35\x73\x63\x86\xc6\xdf\x25\xba\x04\x79\x72\xc8\x0d\x0d\x84\x75\x71\x5e"
      "\x9d\x90\x89\xb9\x27\x0f\xce\x28\x77\x60\xe2\x32\x74\x80\x7b\xb9\xe8\x18"
      "\x59\xd9\x23\xeb\x70\xe8\x82\x6e\xb1\x83\xf5\xa1\x6b\x0e\x3e\x5a\xb7\xe5"
      "\xc2\x7c\x4b\xca\x6d\xc2\x07\x91\x0d\x02\xea\xfe\x81\xec\x5a\x1c\x53\x58"
      "\x42\x8e\x10\x53\xa7\xa3\x5d\x82\x9b\x88\xde\x4b\x70\x44\xea\x81\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
      464);
  memcpy(
      (void*)0x20000580,
      "\x78\x9c\xec\xdb\x4d\x6f\x1b\x45\x1c\xc7\xf1\xdf\x6c\x62\x77\xe3\x16\x70"
      "\x9f\xdc\x82\x2a\x61\x09\x89\xa2\x22\x4a\xec\xb4\xa4\x4f\x20\x85\x96\xb4"
      "\x48\x7d\xa0\x6d\x82\x40\x28\x41\x21\x71\x82\xd5\xc4\x89\xe2\xb4\x6a\x2a"
      "\x68\x2b\x71\xe8\x11\x28\x12\x08\x89\x03\x1c\x7a\x41\xa8\x0a\x12\x5c\xe0"
      "\xc0\x01\x6e\xbc\x03\x2e\xdc\x7a\xe0\x82\x39\x71\x02\xa1\xdd\xcc\x7a\xd7"
      "\x8e\xdb\xa4\xf8\x21\x71\xf2\xfd\x48\x89\x27\xbb\xff\xdd\x9d\x9d\x99\x9d"
      "\x9d\xcd\x8e\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\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa4\x97\x5f"
      "\xe9\xeb\xce\x98\xd5\xce\x05\x00\x00\x68\xa5\xb3\x17\x2f\x74\x67\xb9\xff"
      "\x03\x00\xb0\xa1\x0c\xf0\xfc\x0f\x00\x00\xb0\x91\x18\x39\xfa\x44\x46\x3f"
      "\x7e\x5a\x32\x67\xfc\xbf\x17\xb9\xa7\xf3\x85\xcb\x57\x07\x4f\xf4\xd7\xde"
      "\xac\xcb\xf8\x5b\x76\xf8\xf1\xde\x8f\x9b\xc9\xf6\x1c\x38\xf8\x42\xef\xa1"
      "\xe0\xf3\xc1\xdb\x37\xda\xe3\x3a\x77\x71\xa0\x2f\x7d\x7c\x7a\x6a\x66\x36"
      "\x57\x2c\xe6\xc6\xd2\x83\x85\xfc\xe8\xf4\x58\x6e\xc5\x7b\xa8\x77\xfb\x6a"
      "\xfb\xfc\x02\x48\x4f\x5d\xba\x3c\x36\x3e\x5e\x4c\x67\xf7\xf7\x54\xac\xbe"
      "\x9a\xbc\xb7\x69\x73\x2a\x79\xb4\x37\x75\xec\xe9\x20\x76\xf0\x44\x7f\xff"
      "\xc5\x48\x4c\x67\xec\x7f\x1f\x7d\x89\xfb\x8d\xf0\xe3\x72\x74\x4b\x46\xa5"
      "\x8f\xef\x9a\xb3\x92\x1c\xd5\x5f\x16\xcb\xb4\x9d\x66\xeb\xf2\x4f\x62\x9f"
      "\x7f\x12\x83\x27\xfa\xfd\x13\x99\xcc\x8f\x14\xe6\xbc\x95\x26\x28\x08\xa7"
      "\xb2\x4c\xe2\x41\x19\xb5\xa0\x2e\xea\xb2\x43\xf2\xf2\x65\xe2\x8d\x79\x66"
      "\x8b\xc9\x51\x51\x46\x3b\x53\x25\x73\x4e\x52\x47\x50\x0e\xcf\xfa\xff\x18"
      "\x5e\x7e\x07\x4e\x43\xb2\xf1\xd0\xbc\x7c\x0e\x49\x4a\xab\x0d\xea\x6c\x0d"
      "\xdb\x24\x47\x07\x65\x74\xfb\x70\x52\xaf\x79\x65\x16\xd4\x7f\xa7\xf4\xfe"
      "\x6a\x67\x0e\x4d\xd7\x29\x47\x77\x65\xb4\xf7\xa5\x92\x39\xef\xf7\x07\xde"
      "\xf5\xe4\x75\x9b\xa7\x5f\x4f\xbf\x5a\x18\x9f\x8e\xc4\x1a\x63\xaf\xa8\x76"
      "\xbf\x3f\xb4\xd2\x1a\xef\x9b\x5c\x39\x3a\xeb\x5f\xf1\x25\x73\x61\xb5\x33"
      "\x83\x96\xf3\x06\x4b\x43\x32\x3a\x30\x70\xc5\x1f\x57\xc8\x1f\x97\x3e\x76"
      "\xb4\xf7\xe4\xa9\x81\xe8\x08\x63\xd7\x32\xfb\xf1\x62\xf7\xdb\xf4\x4a\xee"
      "\xc9\xb1\xc8\xd0\xc1\xac\xd2\x18\x02\x00\x00\x00\x00\x00\x00\x58\xef\x5c"
      "\xe3\x68\x58\x46\x9f\x7f\xeb\xfa\x7f\xa7\xed\x3b\x20\x6c\x10\xc6\xd1\xf3"
      "\x32\xfa\xeb\x54\xc9\x7f\x35\x1e\x9d\x97\xd0\x11\x99\xdf\x51\xd6\xee\xef"
      "\x7e\x9a\x9b\xff\x2e\xf7\xf8\xf4\xcc\xfc\x6c\x7e\xe2\xdd\xb9\x9a\xeb\x13"
      "\x6e\xdf\x3b\xc5\xb9\xd9\x91\xd1\xda\xab\xd5\xe5\x5d\x7c\x15\xff\x0e\x5f"
      "\x6e\x1e\x43\x9d\x62\xc6\xd1\x21\x19\xdd\xf8\x77\x21\x3c\x6e\xd2\x78\x69"
      "\xdb\x0d\x84\x07\xba\x73\x2c\xcc\x9b\x6b\xaa\xd6\xfa\xed\xe6\xd1\xc5\xf9"
      "\x2c\xc1\x3b\x84\x23\xfd\xbb\xa2\xe9\x9a\x59\x7e\x88\xf7\x63\x49\x7b\x5c"
      "\xfa\x27\xa0\x31\x8c\x71\xd4\x27\xa3\xf1\x1f\x76\xdb\xb9\x1f\x09\x2d\xe9"
      "\x83\x6c\xdc\x77\x32\xfa\xf3\xcb\x3d\x36\xce\x89\x7b\x41\xc1\x65\x9a\xf4"
      "\x7f\xbb\xe3\xf9\xc9\x5c\xb7\x17\xfb\xb3\x8c\xbe\xfa\x27\x88\xf5\xa7\x99"
      "\x69\xb3\x8d\xdd\x1e\xc6\x66\xbc\x58\x47\x46\x1f\x9d\xa9\x8c\xdd\x62\x63"
      "\x77\x84\xb1\x59\x2f\xf6\xa4\x8c\x7e\x19\xae\x1d\xbb\x33\x8c\xed\xf1\x62"
      "\x3f\x90\xd1\xcc\x1f\xe9\x20\x36\xe1\xc5\x3e\x69\x63\x53\x61\xec\xfe\xd1"
      "\xe9\xc9\xb1\xa6\x15\xf0\x1a\xe7\xf5\xff\xd7\x65\xb4\xed\xc5\xb4\x09\xea"
      "\xd2\x96\x97\xed\x66\x3b\xca\xb1\x77\xde\x0b\xfb\xfb\x9b\xd5\x3b\xba\x4f"
      "\x9f\x5f\x6f\xff\x9f\x8c\x2c\xbb\x69\xdb\xe1\x3d\xaf\xbd\x0e\xef\xf6\xdb"
      "\x9e\xdf\x5e\x9d\xda\xed\xf5\x96\x8c\xbe\xf9\x7e\x8f\x8d\x5b\x6c\x2b\x71"
      "\xbb\x7e\xab\xff\x3b\x6c\xaf\x6f\xc8\x68\xe2\xd7\xca\xd8\x84\x8d\xdd\x16"
      "\xc6\x66\x56\x5c\xb0\x6d\xc2\xab\xff\xb7\x65\x94\x2d\x2c\x94\xcb\xc6\xd6"
      "\xbf\xad\x81\xc8\xfd\x3f\x52\xff\x4f\x54\xb7\x8e\x26\xd5\xff\xd6\xc8\xb2"
      "\xa4\x3d\xee\xa6\xc6\x9c\x3a\x24\x15\xe7\xaf\x5d\x1a\x99\x9c\xcc\xcd\x92"
      "\x20\x41\x82\x44\x39\xb1\xda\x3d\x13\x5a\xc1\xbb\xff\x7f\x26\xa3\x37\xcf"
      "\xff\x56\x1e\xef\xd8\xfb\xbf\x1d\x56\x87\xe3\xbf\xbf\xaf\x87\xf7\xff\x23"
      "\xd5\x3b\x6a\xd2\xfd\x7f\x5b\x64\xd9\x11\x3b\x1a\x89\x75\x4a\xee\xdc\xd4"
      "\x4c\x2c\x25\xb9\xc5\xf9\x6b\xcf\xe5\xa7\x46\x26\x72\x13\xb9\x42\x4f\x36"
      "\x73\xb8\xfb\xf0\x81\xde\x4c\x2c\x1e\x8c\xed\xc2\x54\xdd\x45\xb5\x2e\xc5"
      "\xec\xb3\xda\x95\x0f\xbf\x2e\x3f\x9f\x55\x8e\xff\x6a\x8f\xff\x13\xd5\x3b"
      "\x6a\x52\xfd\x6f\x8f\x2c\x4b\x54\x8c\x57\xea\x3e\x75\xd8\xfa\xff\x5d\x46"
      "\x6f\xfd\xb4\x50\x7e\x8e\x7e\xd0\xf8\x3f\x78\xce\x7a\xe6\xa9\xc5\xcf\xf2"
      "\xf5\xd9\xa4\xfa\xdf\x11\x59\x96\xb4\xc7\x7d\xa4\x31\xa7\x0e\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6d\x2d\x66\x1c\xdd\x96\x91\x3b"
      "\xd4\x69\x82\xef\x46\xad\x64\xfe\xdf\x92\x2f\x4c\x35\x69\xfe\x57\x2a\xb2"
      "\x6c\xac\x45\xdf\x57\xa8\xbb\x50\x01\xa0\x0d\x38\x72\xf4\x85\x8c\xf6\xaa"
      "\x64\x6e\x78\x0b\xb6\x48\x67\xa2\x9f\x58\xd7\xfe\x0b\x00\x00\xff\xff\x27"
      "\xf1\x20\xca",
      1155);
  syz_mount_image(0x200004c0, 0x20000500, 0x800000, 0x20000c40, 0, 0x483,
                  0x20000580);
  memcpy((void*)0x20000180, "./file0\000", 8);
  syscall(__NR_chdir, 0x20000180ul);
  memcpy((void*)0x200001c0, "./file0/file0\000", 14);
  memcpy((void*)0x20000200, "./bus\000", 6);
  inject_fault(26);
  syscall(__NR_rename, 0x200001c0ul, 0x20000200ul);
}
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_fault();
  use_temporary_dir();
  loop();
  return 0;
}