// https://syzkaller.appspot.com/bug?id=f9bcb80bc835a89fec5612cd071ce4991640eb71
// 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*)0x20000040, "udf\000", 4);
  memcpy((void*)0x20000100,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         256);
  memcpy(
      (void*)0x20001540,
      "\x78\x9c\xec\xdb\x4b\x6c\x5c\xd7\x79\x07\xf0\xef\xcc\x25\xad\xa1\x9c\x26"
      "\xb4\xe2\x28\xb6\xe3\x3a\x13\xc4\x30\x54\x3a\x31\xa8\x87\x25\xda\x6a\x01"
      "\xa9\x62\x88\xc4\x65\x6c\x21\x14\x9d\x6a\x53\x68\x28\x52\xf2\xc0\xe4\x90"
      "\x21\xa9\x40\x4e\x8b\x94\x45\x0b\x04\x06\x52\x40\x08\xd0\x2c\x9a\xa2\xf0"
      "\xa6\x8b\x02\x5d\xa8\x8b\xa2\x40\xbb\x31\xba\x28\x0a\x04\x2d\x84\x2e\x8a"
      "\xa0\x41\x52\xd6\x69\x5c\x67\xc7\xa0\x0f\xaf\x5a\x06\x77\xe6\x0c\x39\xa4"
      "\x28\x8b\xb6\x1e\xa4\xe4\xdf\xcf\x90\xff\x33\x77\xbe\x3b\x73\x1e\xc3\x3b"
      "\x8f\x33\x37\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x88"
      "\x5f\xff\xc2\xc9\xc1\x83\x69\xa7\x5b\x01\x00\xdc\x4d\x2f\x8e\x7d\x65\xf0"
      "\xb0\xd7\x7f\x00\xf8\x50\x39\xe3\xf3\x3f\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xec\x76\x29\x8a\xf8\xde\x1f\x8e\xc6\x2b\x3f\x5a\x49\xe7\x5a"
      "\xd7\xdb\xaa\xa3\x8d\xe6\xa5\xcb\xe3\xc3\x23\x5b\xef\xd6\x97\x22\x45\x25"
      "\x8a\x56\x7d\xf9\xaf\x7a\xf0\xd0\xe1\x23\xcf\x1e\x3d\x36\xd4\xc9\xf7\xde"
      "\xff\x76\x7b\x34\x5e\x1a\x3b\x73\xb2\x76\x6a\x76\x66\x6e\x7e\x6a\x61\x61"
      "\x6a\xb2\x36\xde\x6c\x9c\x9f\x9d\x9c\xda\xf6\x3d\xdc\xea\xfe\x9b\x0d\xb4"
      "\x06\xa0\x36\xf3\xea\xa5\xc9\x0b\x17\x16\x6a\x87\x9e\x39\xbc\xe1\xe6\xcb"
      "\xfd\x6f\xef\x79\x70\x7f\xff\xf1\x63\x2f\x9c\xdd\xd7\xa9\x1d\x1f\x1e\x19"
      "\x19\xeb\xaa\xe9\xe9\xfd\xc0\x8f\x7e\x9d\x1b\x9d\xe1\xf1\x40\x14\xf1\x93"
      "\x48\x51\xfd\xd6\x3b\xa9\x1e\x11\x95\xb8\xf5\xb1\xb8\xc9\x73\xe7\x4e\x58"
      "\xed\xba\xdc\xd7\xea\xc4\x40\xab\x13\xe3\xc3\x23\xad\x8e\x4c\x37\xea\xcd"
      "\xc5\xf2\xc6\x54\xc9\x55\x95\x88\xfe\xae\x9d\x4e\x74\xc6\xe8\x2e\xcc\xc5"
      "\x2d\xa9\x45\x2c\x95\xcd\x2f\x1b\x3c\x50\x76\x6f\x6c\xae\x3e\x5f\x9f\x98"
      "\x9e\xaa\x9d\xae\xcf\x2f\x36\x16\x1b\xb3\xcd\x54\x69\xb7\xb6\xec\x4f\x7f"
      "\x54\x62\x28\x45\xcc\x45\xc4\x4a\x71\xfd\xdd\xf5\x46\x11\xff\x16\x29\xbe"
      "\xfd\xee\x4a\x9a\x88\x88\xa2\x33\x0e\x4f\xb7\x4e\x0c\xbe\x79\x7b\x2a\xef"
      "\xa3\xed\xa3\xff\x33\xfb\xd7\xdf\x6b\x7e\xfa\xc9\xf7\xb1\xcb\x8d\xf4\x94"
      "\x7d\x2b\x22\xae\xc5\x3d\x30\x67\xbb\xd8\x9e\x28\xe2\xf5\x48\xf1\x9d\xb3"
      "\x83\x71\x3e\x8f\x6b\x6b\xd8\x9e\x8a\xf8\x72\x99\x4f\x44\x7c\xad\xcc\xe5"
      "\x88\x2b\xf9\x7a\x2a\x9f\x20\x8f\x47\xfc\x7c\x8b\xe7\x13\xf7\x96\x9e\x28"
      "\xe2\x1f\x23\xc5\x6c\x5a\x49\x93\x9d\xb9\x6f\x1d\x57\x46\x5f\xae\x7d\xa9"
      "\x79\x61\xb6\xab\xb6\x73\x5c\xb9\x07\x5f\x1f\xba\xf5\xdd\xc5\xc7\x7a\xf8"
      "\xed\x5d\x7e\x6c\xaa\x46\x11\x13\xad\x23\xfe\x4a\xda\x30\x81\xa9\x67\xe7"
      "\x1a\x05\x00\x00\x00\x00\xc0\x6d\x50\xc4\xdf\x44\x8a\xab\x33\x07\xd2\x5c"
      "\x74\xaf\x29\x36\x9a\x17\x6b\x67\xea\x13\xd3\xed\x6f\x85\x3b\xdf\xfd\xd7"
      "\xf2\x5e\xab\xab\xab\xab\xfd\xa9\x9d\xb5\x9c\x83\x39\x4f\xe4\x3c\x9d\xf3"
      "\x5c\xce\xb9\x9c\x4b\x39\xaf\xe4\x7c\x23\xe7\xd5\x9c\x6f\xe6\xbc\x96\x73"
      "\x39\xe7\x4a\xce\xa8\xe4\xc7\xcf\x59\xcb\x39\x98\xf3\x44\xce\xd3\x39\xcf"
      "\xe5\x9c\xcb\xb9\x94\xf3\x4a\xce\x37\x72\x5e\xcd\xf9\x66\xce\x6b\x39\x97"
      "\x73\xae\xe4\x0c\xeb\x5e\x00\x00\x00\x00\x00\x00\x00\xec\x32\x7d\x51\xc4"
      "\x0f\x23\xc5\x67\xff\xea\xeb\xad\xf3\x8a\xa3\x75\x5e\xfa\xc7\x8e\x0f\x1d"
      "\xf8\xe2\x93\xdd\xe7\x8c\x7f\xf2\x26\xf7\x53\xd6\x3e\x13\x11\x57\x63\x7b"
      "\xe7\xe4\xf6\xe6\x53\x87\x53\xa5\xfc\xef\xf6\xf7\x8b\xed\xa9\x46\x11\xdf"
      "\xcc\xe7\xff\xfd\xde\x4e\x37\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x51"
      "\x95\x28\xe2\x93\x91\xe2\xbb\xaf\xaf\xa4\x48\x11\x51\x8b\x38\x17\xed\x5c"
      "\x2e\x76\xba\x75\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\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\x07\x51\x4d\x45"
      "\x9c\x8a\x14\x3f\xfb\x42\xb5\x75\xfd\x5a\x44\x3c\x16\x11\xff\xbf\x5a\xfe"
      "\x17\x11\xcb\xab\x9b\xec\x74\x8b\x01\x00\x00\x00\x00\x00\x00\x80\xeb\xa4"
      "\x22\x06\x23\xc5\x43\x8f\xae\xa4\xfe\x88\xb8\xdc\xff\xf6\x9e\x07\xf7\xf7"
      "\x1f\x3f\xf6\xc2\xd9\x7d\x45\x14\x91\xca\x92\xee\xfa\x97\xc6\xce\x9c\xac"
      "\x9d\x9a\x9d\x99\x9b\x9f\x5a\x58\x98\x9a\xac\x8d\x37\x1b\xe7\x67\x27\xa7"
      "\xb6\xfb\x70\xd5\xd1\x46\xf3\xd2\xe5\xf1\xe1\x91\x3b\xd2\x99\x9b\xea\xbb"
      "\xc3\xed\xef\xab\x9e\x9a\x9d\x7b\x6d\xbe\x71\xf1\x95\xc5\x2d\x6f\xdf\x5b"
      "\x3d\x39\xb1\xb0\x38\x5f\x3f\xbf\xf5\xcd\xd1\x17\x95\x88\xc1\xee\x2d\x03"
      "\xad\x06\x8f\x0f\x8f\xb4\x1a\x3d\xdd\xa8\x37\x5b\xbb\xa6\xca\x0d\x1a\x58"
      "\x89\xa8\x6d\xb7\x33\x00\x00\x00\x00\x00\x00\x00\xdc\x37\xf6\xa6\x22\x9e"
      "\x8d\x14\xaf\x34\x8e\xa4\xce\xba\x71\x4f\x7b\xcd\xff\x97\xda\xd7\x8a\xb5"
      "\xda\x3f\xfb\x9d\xf5\xdf\x02\x4c\x6f\xca\x8e\xee\xdf\x0f\x6c\xe7\x72\xda"
      "\x6e\x43\x07\x5a\x0b\xef\xb5\xf1\xe1\x91\x91\xb1\xae\xcd\x3d\xbd\xd7\x97"
      "\x96\x6d\x4a\xa9\x88\xbf\x8c\x14\x9f\xfa\xcd\x47\x5a\xeb\xe1\x29\xf6\x6e"
      "\xb9\x36\x5e\xd6\x3d\x10\x29\x8e\x7e\xfd\x48\xae\xeb\xff\x54\x59\x77\x62"
      "\x43\x55\x75\x60\x7c\x78\xa4\xf6\xe2\x6c\xf3\xf3\x27\xa7\xa7\x67\xcf\xd7"
      "\x17\xeb\x13\xd3\x53\xb5\xb1\xb9\xfa\xf9\x6d\xff\x70\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xee\xa0\xbd\xa9\x88\x3f\x8d\x14\xbf\x35\x78\x2d\x75\xce\x3b"
      "\xcf\xeb\xff\x3d\xed\x6b\x5d\xeb\xff\xbf\xda\x5a\x42\x6f\xa9\xa6\x8d\xb9"
      "\xa6\xb5\xb6\xff\xd1\xd6\xda\x7e\xfb\xf2\xc7\x8e\x0f\xd5\x46\x3e\x7d\xa3"
      "\xed\x77\x62\xfd\xbf\x6c\x53\x4a\x45\xfc\x6b\xa4\x78\xe8\xb7\x1f\x69\x9d"
      "\x4f\xdf\x59\xff\x1f\xdc\x54\x5b\xd6\xfd\x57\xa4\xf8\x97\xef\x3f\x9e\xeb"
      "\x2a\x0f\x94\x75\x07\x3b\xdd\x69\xdf\xe3\x85\xc6\xf4\xd4\x60\xca\x63\xf5"
      "\x99\xa7\x3b\xb5\xd1\xaa\x3d\x96\x6b\x3f\xbe\x5e\x7b\xb0\xac\xfd\x4c\xa4"
      "\xf8\xf3\xa7\x36\xd6\x0e\xe5\xda\x87\xd7\x6b\x0f\x95\xb5\x7f\x10\x29\xfe"
      "\xef\xd9\xad\x6b\x3f\xb1\x5e\x7b\xb8\xac\xfd\xfd\x48\xf1\x1b\x6f\xd5\x3a"
      "\xb5\x7b\xcb\xda\xd1\x5c\xbb\x7f\xbd\xf6\x99\xf3\xb3\xd3\x93\x37\x1b\xd6"
      "\x72\xfe\xff\x2e\x52\x9c\xfe\xd9\x17\x53\xa7\xcf\x37\x9c\xff\xae\xdf\x7f"
      "\x2c\x6d\xca\x35\xd7\xcd\xf9\xf5\x97\x97\xfe\xf6\xfb\x5f\xbd\xdd\xf3\xdf"
      "\xdf\xb5\x6d\x29\xcf\xeb\x0f\xf3\xfc\x1f\xbc\xc9\xfc\xff\x7d\xa4\xf8\xa3"
      "\x1f\x3f\x9e\xeb\xda\x63\x7f\x28\xdf\xfe\x50\xeb\xff\xeb\xf3\xff\xd5\x48"
      "\xf1\x9f\xbf\xbc\xb1\xf6\x68\xae\xdd\xb7\x5e\x7b\x70\xbb\xdd\xda\x69\xe5"
      "\xfc\x7f\x2e\x52\x1c\xff\xc1\x0f\xd6\xfa\x9c\xe7\x3f\x8f\xec\xfa\x0c\x75"
      "\xcf\xff\x63\xd5\xae\xe2\xee\x67\xc9\x36\xe6\xff\x4e\xfc\xfd\x3f\xd4\xb5"
      "\xad\x7c\x2e\x3c\xd6\x13\x71\xf8\xfd\x0d\xc5\x87\xd2\xc2\x6b\xdf\x78\xb5"
      "\x3e\x3d\x3d\x35\xef\x82\x0b\xf7\xf6\x85\x3d\xf9\x29\xbd\x5b\xda\x73\x8f"
      "\x5f\xd8\xe1\x03\x13\x77\x45\xf9\xfa\xff\x4f\x91\xe2\xf9\xd1\x4a\xea\xbc"
      "\x8f\xc9\xaf\xff\x1f\x69\x5f\x5b\x7f\xff\xf7\xee\x37\xd7\x5f\xff\x9f\xdf"
      "\x94\x6b\x76\xe8\xf5\x7f\x5f\xd7\xb6\xe7\xf3\xbb\x96\xde\x9e\x88\xea\xe2"
      "\xcc\x5c\xef\xfe\x88\xea\xc2\x6b\xdf\xf8\x7c\x63\xa6\x7e\x71\xea\xe2\x54"
      "\x73\xe8\x7f\xff\xe4\xc8\x73\x43\x47\x8f\x3e\xd7\xfb\x40\xe7\xbd\xdd\xfa"
      "\xa5\x6d\x0f\xdd\x7d\xa1\x9c\xff\xd1\x48\xf1\xf2\x8f\xff\x79\xed\x73\xcc"
      "\xc6\xf7\x7f\x5b\xbf\xff\xdf\xbb\x29\xd7\xec\xd0\xfc\x7f\xbc\xbb\x4f\x1b"
      "\xde\xd7\x6c\x7b\x28\x3e\x94\xca\xf9\xbf\x12\x29\x7e\xf7\xad\x77\xd6\x3e"
      "\x6f\xbe\xd7\xfb\xff\xce\xe7\xff\x03\x9f\xdd\x98\x6b\x7f\x7f\x3b\x34\xff"
      "\x0f\x77\x6d\x6b\xfd\xc6\xff\xa3\x11\xcf\x75\x6d\x3b\xf0\x89\x88\x93\xdb"
      "\x7d\x2c\x00\x00\x00\xb8\xcf\xec\xcd\xeb\xe4\x7f\xfc\x2b\xff\xb0\x76\xce"
      "\xfb\xc6\xcf\xff\xf1\x64\xa7\xb6\xfb\xfb\x9f\x1b\xd9\x0d\xe7\xff\x03\x00"
      "\x00\x00\x00\xc0\x87\xdd\xde\x54\xc4\x5f\x44\x8a\xff\x1e\xfc\x5c\xea\x9c"
      "\x43\xb6\x9d\xdf\x7f\x4e\x6e\xca\x35\x3b\xf4\xfb\xbf\xfd\x5d\xdb\x26\xef"
      "\xd2\x79\x2d\xdb\x1e\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x5d"
      "\x28\x45\x11\x4f\x44\x8a\x57\x7e\xb4\x92\x96\x8b\xf2\x7a\x5b\x75\xb4\xd1"
      "\xbc\x74\x79\x7c\x78\x64\xeb\xdd\xfa\x52\xa4\xa8\x44\xd1\xaa\x2f\xff\x55"
      "\x0f\x1e\x3a\x7c\xe4\xd9\xa3\xc7\x86\x3a\xf9\xde\xfb\xdf\x6e\x8f\xc6\x4b"
      "\x63\x67\x4e\xd6\x4e\xcd\xce\xcc\xcd\x4f\x2d\x2c\x4c\x4d\xd6\xc6\x9b\x8d"
      "\xf3\xb3\x93\x53\xdb\xbe\x87\x5b\xdd\x7f\xb3\x81\xd6\x00\xd4\x66\x5e\xbd"
      "\x34\x79\xe1\xc2\x42\xed\xd0\x33\x87\x37\xdc\x7c\xb9\xff\xed\x3d\x0f\xee"
      "\xef\x3f\x7e\xec\x85\xb3\xfb\x3a\xb5\xe3\xc3\x23\x23\x63\x5d\x35\x3d\xbd"
      "\x1f\xf8\xd1\xaf\x93\x6e\xb0\xfd\x81\x28\xe2\x42\xa4\xa8\x7e\xeb\x9d\xf4"
      "\xef\x45\x44\x25\x6e\x7d\x2c\x6e\xf2\xdc\xb9\xd3\xfa\x5a\x9d\x18\x68\x75"
      "\x62\x7c\x78\xa4\xd5\x91\xe9\x46\xbd\xb9\x58\xde\x98\x2a\xb9\xaa\x12\xd1"
      "\xdf\xb5\xd3\x89\xce\x18\xdd\x85\xb9\xb8\x25\xb5\x88\xa5\xb2\xf9\x65\x83"
      "\x07\xca\xee\x8d\xcd\xd5\xe7\xeb\x13\xd3\x53\xb5\xd3\xf5\xf9\xc5\xc6\x62"
      "\x63\xb6\x99\x2a\xed\xd6\x96\xfd\xe9\x8f\x4a\x0c\xa5\x88\xb9\x88\x58\x29"
      "\xae\xbf\xbb\xde\x28\x62\x22\x52\x7c\xfb\xdd\x95\xf4\x56\x11\x51\x74\xc6"
      "\xe1\xe9\x17\xc7\xbe\x32\x78\xf8\xe6\xed\xa9\xdc\x81\x3e\x6e\x43\x4f\xd9"
      "\xb7\x22\xe2\x5a\xdc\x03\x73\xb6\x8b\xed\x89\x22\x3e\x12\x29\xbe\x73\x76"
      "\x30\x7e\x52\xb4\xc7\xb5\x35\x6c\x4f\x45\x7c\xb9\xcc\x27\x22\xbe\x56\xe6"
      "\x72\xc4\x95\x7c\x3d\x95\x4f\x90\xc7\x23\x7e\xbe\xc5\xf3\x89\x7b\x4b\x4f"
      "\x14\x71\x3a\x52\xcc\xa6\x95\xf4\x1f\x45\x9e\xfb\xd6\x71\x65\xf4\xe5\xda"
      "\x97\x9a\x17\x66\xbb\x6a\x3b\xc7\x95\x7b\xfe\xf5\xe1\x6e\xda\xe5\xc7\xa6"
      "\x6a\x14\xf1\xd3\xd6\x11\x7f\x25\xfd\xd4\xdf\x33\x00\x00\x00\x00\xc0\x7d"
      "\xa4\x88\x5f\x8b\x14\x57\x67\x0e\xa4\xd6\xfa\xe0\xda\x9a\x62\xa3\x79\xb1"
      "\x76\xa6\x3e\x31\xdd\xfe\x5a\xbf\xf3\xdd\x7f\x2d\xef\xb5\xba\xba\xba\xda"
      "\x9f\xda\x59\xcb\x39\x98\xf3\x44\xce\xd3\x39\xcf\xe5\x9c\xcb\xb9\x94\xf3"
      "\x4a\xce\x37\x72\x5e\xcd\xf9\x66\xce\x6b\x39\x97\x73\xae\xe4\x8c\x4a\x7e"
      "\xfc\x9c\xb5\x9c\x83\x39\x4f\xe4\x3c\x9d\xf3\x5c\xce\xb9\x9c\x4b\x39\xaf"
      "\xe4\x7c\x23\xe7\xd5\x9c\x6f\xe6\xbc\x96\x73\x39\xe7\x4a\xce\xf0\x3d\x39"
      "\x00\x00\x00\x00\x00\x00\xb0\x0b\x55\xa2\x88\x47\x22\xc5\x77\x5f\x5f\x49"
      "\xab\x45\x7b\x81\xf7\x5c\xb4\x73\xd9\x3a\xe7\x7d\xef\x17\x01\x00\x00\xff"
      "\xff\x68\x0c\x43\x3b",
      2633);
  syz_mount_image(0x20000040, 0x20000100, 0x400, 0x20000480, 1, 0xa49,
                  0x20001540);
  memcpy((void*)0x20000200,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         256);
  inject_fault(14);
  syscall(__NR_mknod, 0x20000200ul, 0ul, 0x701);
}
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;
}