// https://syzkaller.appspot.com/bug?id=d4a58de9696a60f9c0d79531cdc0d622e474e786
// 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, 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");
  }
  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")) {
  }
}

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[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000000300, "hfs\000", 4);
  memcpy((void*)0x200000000880,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         252);
  memcpy(
      (void*)0x200000000980,
      "\x78\x9c\xec\xdd\xbb\x4f\x14\x41\x1c\xc0\xf1\xdf\xec\xdd\xc1\x21\x04\x57"
      "\xc0\x90\x58\xa2\x24\x56\x46\xb1\x31\x36\x18\xc3\xdf\x60\x2c\xd4\x88\xdc"
      "\x99\x10\x2e\x98\x00\x26\x62\x23\xb1\x36\xc6\xce\x47\x67\x61\x67\x6d\x6c"
      "\x2c\xed\x89\xd6\x46\x2b\x63\x61\x0f\xdd\x9a\x79\x2c\xb7\x78\xbb\xb3\xf7"
      "\xe0\x6e\x39\xfd\x7e\x12\x2e\xeb\xed\xcc\xec\x6f\x76\x67\x67\x67\x2e\x59"
      "\x47\x00\xfc\xb7\xae\x2f\x7d\x7f\x77\xf9\xa7\xfe\x53\x22\x25\x29\x89\xc8"
      "\x55\x91\x40\x44\xaa\x22\x65\x11\x39\x2d\xb3\xd5\x87\xeb\x5b\xab\x5b\x8d"
      "\x7a\xcd\x57\x50\xc9\xe4\xd0\x7f\x4a\x6c\x4e\xd5\x92\x66\x65\xbd\x9e\x96"
      "\x55\xe7\x33\x39\x9c\x50\xff\xab\x2c\x13\xc9\xef\xd0\x1f\x51\x14\x45\x3f"
      "\xbe\x96\xfc\x69\x4e\x0e\x2c\x1c\x14\xc4\xdc\xfd\x51\x6b\x3b\x08\x44\x46"
      "\xdd\xdd\x69\x76\x56\x8b\x08\xae\x0f\x76\x8a\x0e\xa0\x60\x6a\x5f\xf6\xe5"
      "\x91\x4c\x16\x1d\x07\x00\xa0\x58\xfa\xf9\x5f\xb1\x03\x7f\xfd\x9c\x9f\x70"
      "\xe3\xf7\x20\x10\x99\x77\x8f\xfd\x21\x7b\xfe\xfb\x47\xad\xfb\x83\x0b\xe4"
      "\x58\x4a\x3c\xff\xcd\x2c\x2b\x52\xfa\xfa\x9a\x53\xa6\x9a\xf3\x3d\x33\x85"
      "\xd3\xfb\x83\x78\x96\xe8\x29\x31\x73\xcf\x88\xd8\x81\xe4\xa1\xd1\xa5\xca"
      "\x9b\x55\x9a\x58\x82\xb1\xfb\xab\x8d\xfa\x85\x95\x07\x8d\x5a\x20\x4f\x65"
      "\xd1\x49\x24\x9b\x31\x9f\x35\xdb\x74\x63\x39\xd1\xce\x79\x82\x4d\x91\x5f"
      "\xf7\x2c\xa6\xc6\x41\x45\xd7\x61\x21\x23\xfe\xe9\x6e\x8e\xf8\xb2\xf3\x50"
      "\x0e\xec\x45\x6a\x57\xdd\x51\xa1\xbc\x91\xda\xc1\xf8\xaf\x1c\x99\x33\x62"
      "\xae\x54\x68\xe2\x0e\x0f\x32\xd8\xf8\x2f\x9a\xed\x1b\x95\x94\x12\xc7\xf5"
      "\x87\x52\x26\x55\x46\x2d\x4f\x99\x83\x9c\x71\x47\x90\x8f\xef\xdb\xa8\x65"
      "\x55\x32\xa7\xa5\x23\xae\x4c\xdb\x74\x9f\xd8\x2f\xc3\x38\xce\x17\x23\x9e"
      "\x5c\x53\x72\xf8\x67\x05\x5b\xbb\x4b\x59\x47\x72\xb9\xa6\x53\x73\x2d\xe4"
      "\xe4\x9a\x69\xe6\xfa\x15\xf7\x9c\xae\x35\x67\xe7\xec\x5e\x46\xb5\xff\xa2"
      "\x9e\xab\x9b\x6a\x4e\x7e\xcb\x07\x59\x4a\x8c\xff\x03\x7d\xb6\xe7\x4d\x82"
      "\xf8\xb4\x7b\x82\x54\x26\xa5\x6b\x19\xde\xfa\x94\x4d\xca\xb0\x8d\xc0\x82"
      "\xb6\xc2\x47\xbb\xd2\x6e\xd5\xa6\x67\x72\x4f\xae\xc8\xe4\xe6\xf6\xe3\xb5"
      "\xe5\x46\xa3\xbe\xd1\xee\xc6\xa7\x6f\x1d\x24\x3e\xaa\x8d\xd7\x6f\xed\x46"
      "\xa9\x97\x72\xe2\x9a\xb7\xec\x2a\x4b\xaf\x11\x46\xa3\xb6\xe8\x7e\x9d\x84"
      "\x2e\x23\xd4\x5d\x4e\x07\xb9\xe2\x06\xd3\xef\x6b\x2a\x22\x3b\xee\x9b\xf8"
      "\x9a\x64\x26\x8e\xfb\xb4\xb4\x72\x54\xeb\xa5\x1c\x96\x0d\xe9\xb9\x9c\x92"
      "\x8c\xca\x5a\xdc\x67\x1e\x59\x60\xee\x6c\xef\xac\x2d\x37\xec\x56\xfa\x40"
      "\x69\xac\xdb\x3e\x09\xc7\x4c\xa2\x7b\x9c\xbd\x95\x9f\x3c\x1a\x44\x4c\x18"
      "\x28\xdd\x87\x28\x3b\xff\x33\x23\x79\x3b\xaa\xbb\x66\xf6\xe9\xdb\x3f\x34"
      "\xe3\xf4\x8a\xa4\x8d\xd3\x73\xdb\x83\x29\xf1\xd5\xed\x5d\x3b\x7d\x48\xcc"
      "\x0d\x9a\x83\xd5\x29\xf3\x79\xa2\xa3\x19\xdc\x78\xf6\x0c\x2e\x51\x07\xef"
      "\x9c\xeb\xec\x79\x91\x73\x9e\x23\x7e\x3e\x5c\x6c\xe8\xe2\xfc\x47\xa8\x25"
      "\xf9\x22\x77\xf9\xfd\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x60\xd8\xe4\xbe\x18\xb0\x17\x6d\x6c\x6e\xbb\xd7\x5b\xba\x7c\x33"
      "\xa4\xe0\x2a\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x30\xf4\x7c\xeb\xff\x9a\x35\x32\x73\xd6\xff\x8d\xdf\x0c\xc8\x5e"
      "\xff\x37\xf1\xbf\x7a\xe7\xaf\xff\xbb\xa8\x0b\xca\x58\xff\xd7\xbf\x48\x2d"
      "\x80\x8e\xfd\x09\x00\x00\xff\xff\xc3\xeb\x6b\x52",
      768);
  syz_mount_image(/*fs=*/0x200000000300, /*dir=*/0x200000000880,
                  /*flags=MS_SYNCHRONOUS|MS_NODIRATIME|MS_NOATIME*/ 0xc10,
                  /*opts=*/0x200000000180, /*chdir=*/3, /*size=*/0x300,
                  /*img=*/0x200000000980);
  memcpy((void*)0x2000000001c0, "hfs\000", 4);
  memcpy((void*)0x200000000000, "./file2\000", 8);
  memcpy(
      (void*)0x200000000680,
      "\x78\x9c\xec\xdd\x4f\x6b\x13\x41\x18\xc7\xf1\xdf\x6c\xd2\x26\xb5\xb1\xa6"
      "\x7f\x44\xf0\x58\x2d\xe8\x45\xb4\x5e\xc4\x4b\x44\xf2\x16\x04\xf1\x20\xda"
      "\x36\x42\x31\x54\xd4\x0a\xea\xc5\x54\x3c\x89\xe8\xdd\xbb\x6f\xc1\x17\xe1"
      "\x45\xf1\x0d\xe8\xc9\x83\xf8\x02\xda\xd3\xca\xcc\xfe\x49\x36\xd9\xcd\xa6"
      "\xb1\x49\x1a\xfc\x7e\x40\xdd\x6c\xe6\xd9\x79\x26\x9b\xdd\x7d\x26\x20\x23"
      "\x00\xff\xad\x9b\xf5\x1f\x9f\xae\xfe\xb2\x7f\x8c\x54\x50\x41\x7a\x7b\x5d"
      "\xf2\x24\x95\xa5\xa2\xa4\xd3\x3a\x53\x7e\xb6\xb3\xbb\xbd\xdb\x6c\x6c\xf5"
      "\x3b\x50\xc1\x45\xe8\xc0\x97\x51\x10\x69\x7a\xda\x6c\xee\x34\xdc\xbf\x7b"
      "\xc9\xdd\x36\xce\x45\x84\xaa\xf6\x55\x51\x95\xce\x7d\x18\x0d\xdf\xf7\x6f"
      "\xfc\xec\xda\xf7\xdb\x9b\x50\x32\x98\x18\x77\xf5\xa7\xf0\xa4\x52\x78\x75"
      "\xba\xf7\xcb\x63\xcf\xac\xbf\xbd\x21\xe3\x5a\x47\x9c\xc7\xb4\x31\xfb\xda"
      "\xd7\x73\x2d\x4c\x3a\x0f\x00\xc0\xa4\x04\x8f\x7d\xfb\xfc\xdf\x0b\x0a\x7f"
      "\xbb\xa3\x12\xd6\xef\x9e\x27\xad\x85\x8f\xfd\x63\xf9\xfc\x1f\xd6\xfe\xa4"
      "\x13\x18\x39\xbf\xef\xbb\x1d\xcf\x7f\x37\xcb\xf2\x8d\x3d\xbf\xa7\xdc\x5b"
      "\xed\xf9\x9e\x9b\xc2\xd9\xf7\xbd\x68\x96\x38\x48\xcf\x33\x5d\xaf\x67\x15"
      "\x14\x92\x89\x02\xd3\xe4\xcd\x2a\x5d\x2e\xde\xdc\x83\xed\x66\xe3\xd2\xe6"
      "\xa3\xe6\x96\xa7\xd7\xaa\x85\x3a\x9a\xad\xc4\x3d\x84\xec\x37\x34\x27\xdb"
      "\xd5\x94\xb9\x69\x1f\x03\x8c\xdd\xa4\x56\x94\x41\x5a\xde\x8c\x1d\xc3\x7a"
      "\x46\xfe\xcb\x43\xf6\xd8\x47\xcf\xf4\x2d\x71\x42\xcc\x17\xf3\xcd\xdc\x35"
      "\x55\x7d\xd4\x56\x5c\xff\x15\x7d\x63\xb3\x75\x09\x57\xbb\xce\x54\x90\xff"
      "\xe5\xec\xfe\xe6\x5d\x94\x6d\xa5\xf0\xb6\x51\xab\xd5\x3c\x77\xa0\xc8\xa2"
      "\xeb\xe4\x6c\xf2\x4c\xe5\x8c\xb2\x9c\x3e\x23\x51\xf4\xc1\x2e\x2a\xf9\x03"
      "\x41\x35\x2f\x4f\x17\xb5\xd4\x15\x15\x8c\xee\x4a\x6a\x40\x29\x8e\x5a\x4e"
      "\x8d\x5a\x8f\x5e\x65\xf4\xb5\x92\x88\xb2\xa3\x89\xbf\xcd\xd9\x59\x8e\x9a"
      "\x79\x6f\x6e\x9b\x55\xfd\xd1\x67\xd5\x3b\xea\x7f\xcf\xe6\xb7\xe6\x1a\x78"
      "\x59\x57\x66\xfb\xaa\x31\x6b\xc1\x85\xe6\x3e\xf1\x60\x3c\xb3\xe9\xdd\x15"
      "\xdd\x31\xab\x3d\x4f\x8e\x96\xee\x54\x92\x7b\xe2\x4f\xb1\x94\x95\xfa\x41"
      "\xff\x7b\x1a\x06\x10\x9d\xc3\x77\xda\xd0\x35\x2d\x3c\x7d\xf1\xf2\x61\xa1"
      "\xd9\x6c\x3c\xb1\x1b\xf7\x53\x36\x1e\x57\xe2\x3d\x33\x6f\xa4\xd4\x36\xff"
      "\xbe\x61\x8a\xd2\xd0\xe1\x6a\xb5\xf7\x94\xe4\x3b\x3d\x8d\xa3\x7b\xe0\x08"
      "\x92\xcf\xdc\xb8\x78\xa4\x07\xb4\xf7\x8f\xdc\xc6\xf6\x2a\x1b\xcb\x00\x47"
      "\xf5\x4d\x70\x1b\xf2\xc6\x79\x9a\x0e\xbf\x51\xff\x3a\xaa\x2f\x92\x5f\x3a"
      "\x0e\x03\x3c\x39\xc1\x1b\x14\xc6\xa9\x7d\xd2\x87\x0a\xef\x2e\xf5\x31\x7d"
      "\x6c\xdd\x65\x82\xf9\x9f\xab\xe4\xc3\x7a\xdf\x15\x0a\xf6\xaf\x5b\xa5\xec"
      "\x3a\x3d\x2a\xc8\xd2\x4a\x36\x57\xbd\x87\x47\xf4\x6d\x8d\x1d\xcf\x80\xca"
      "\x89\xf8\x25\xb7\x75\x22\x59\x46\xe7\xcc\x0d\xe6\xc3\x3a\x26\x65\x1e\xd7"
      "\xd2\x60\x73\xae\x73\x17\xa4\xf3\x83\xf7\x58\x0d\xf3\x9c\x0e\xfe\xab\x9c"
      "\x06\xa6\xae\xef\xba\xc7\xef\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xd3\xe6\xf0\xff\x43\x60\xee\xd0\x51\x93\x1e\x23\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd3\x2e"
      "\x5e\xff\x57\xd1\xfa\xbf\x1a\x6c\xfd\xdf\xee\xa5\x58\xc2\xf5\x7f\xcb\xca"
      "\x59\xff\x77\xa3\x37\x87\x9e\xf5\x7f\x3f\xec\xc8\xb4\x24\xd6\xff\x05\x46"
      "\xeb\x6f\x00\x00\x00\xff\xff\xe4\x51\x7e\xe4",
      767);
  syz_mount_image(/*fs=*/0x2000000001c0, /*dir=*/0x200000000000,
                  /*flags=MS_MANDLOCK*/ 0x40, /*opts=*/0x200000000280,
                  /*chdir=*/0x11, /*size=*/0x2ff, /*img=*/0x200000000680);
  memcpy((void*)0x2000000000c0, "./bus\000", 6);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000000c0ul,
                /*flags=O_SYNC|O_CREAT|O_APPEND|O_RDWR*/ 0x101442, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  memset((void*)0x200000000140, 50, 1);
  syscall(__NR_pwrite64, /*fd=*/r[0], /*buf=*/0x200000000140ul,
          /*count=*/0xfdeful, /*pos=*/0xfeccul);
  memcpy((void*)0x200000000140, "./file1\000", 8);
  syscall(__NR_open, /*file=*/0x200000000140ul,
          /*flags=O_NONBLOCK|O_NOFOLLOW|O_NOATIME|O_DIRECT|O_CREAT|0x2002*/
          0x66842ul, /*mode=S_IXOTH|S_IRGRP*/ 0x21ul);
  memcpy((void*)0x200000000040, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
          /*flags=O_SYNC|O_CREAT|O_RDWR*/ 0x101042,
          /*mode=S_IXOTH|S_IROTH|S_IWGRP*/ 0x15);
  memcpy((void*)0x200000000300, "./file1\000", 8);
  syscall(
      __NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000300ul,
      /*flags=O_NOATIME|O_DIRECT|O_CREAT|O_CLOEXEC|0x2*/ 0xc4042,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/
      0x1ff);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*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=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  use_temporary_dir();
  loop();
  return 0;
}