// https://syzkaller.appspot.com/bug?id=411e5e9b60179d6150b0f928c95b1ac64c2e1158
// 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 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_pwritev2
#define __NR_pwritev2 287
#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");
  } 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")) {
  }
}

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)) {
  }
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x400 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x2 (1 bytes)
  //    size: len = 0x786 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x786)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x20000140, "ext4\000", 5);
  memcpy((void*)0x20000040, "./file1\000", 8);
  *(uint8_t*)0x20000180 = 0;
  memcpy(
      (void*)0x20000f80,
      "\x78\x9c\xec\xdd\xcf\x6b\x1c\x65\x1f\x00\xf0\xef\x6c\xb3\x49\xdf\xb4\xef"
      "\xdb\xbc\xf0\xc2\x6b\x3d\x05\x04\x0d\x94\x6e\x4c\x8d\xad\x82\x87\x8a\x07"
      "\x11\x2c\x14\xf4\x6c\xbb\x6c\xb6\xa1\x66\x93\x2d\xd9\x4d\x69\x42\x40\x8b"
      "\x08\x5e\x04\x15\x0f\x82\x5e\x7a\xb6\x5a\x6f\x5e\xfd\x71\xd5\x3f\xc0\xbb"
      "\x07\x69\xa9\x9a\x16\x23\x1e\x24\x32\x9b\xdd\x74\xdb\xec\xa6\x9b\x34\x9b"
      "\x6d\xd9\xcf\x07\x26\x79\x9e\x99\xd9\x7c\xe7\x3b\xcf\xcc\x3c\x4f\x76\x86"
      "\xdd\x00\xfa\xd6\x68\xfa\x23\x13\x71\x38\x22\x3e\x48\x22\x0e\xd5\xe7\x27"
      "\x11\x91\xad\x95\x06\x22\x4e\xae\xaf\xb7\xba\xb2\x5c\x48\xa7\x24\xd6\xd6"
      "\x5e\xfb\x2d\xa9\xad\x73\x7b\x65\xb9\x10\x4d\xaf\x49\x1d\xa8\x57\x1e\x8b"
      "\x88\xef\xde\x8d\x38\x92\xd9\x1c\xb7\xb2\xb8\x34\x93\x2f\x95\x8a\xf3\xf5"
      "\xfa\x78\x75\xf6\xc2\x78\x65\x71\xe9\xe8\xf9\xd9\xfc\x74\x71\xba\x38\x77"
      "\x7c\x62\x72\xf2\xd8\x89\x67\x4f\x1c\xdf\xbd\x5c\xff\xf8\x71\xe9\xe0\x8d"
      "\x0f\x5f\x7e\xea\xcb\x93\x7f\xbd\xf3\xff\x6b\xef\x7f\x9f\xc4\xc9\x38\x58"
      "\x5f\xd6\x9c\xc7\x6e\x19\x8d\xd1\xfa\x3e\xc9\xa6\xbb\xf0\x2e\x2f\xc5\x5b"
      "\xbb\x1d\xae\xa7\x92\x5e\x6f\x00\x3b\x92\x9e\x9a\xfb\xd6\xcf\xf2\x38\x9c"
      "\xa4\xe5\x81\x5e\x6f\x12\x00\xd0\x65\xe9\x28\x74\x0d\x00\xe8\x33\x89\xfe"
      "\x1f\x00\xfa\x4c\xe3\x7d\x80\xdb\x2b\xcb\x85\xc6\xd4\xdb\x77\x24\xf6\xd6"
      "\xcd\x17\x23\x62\xff\x7a\xfe\x8d\xfb\x9b\xeb\x4b\x06\xea\xf7\xec\xf6\xd7"
      "\xee\x83\x0e\xdf\x4e\xee\xba\x33\x92\x44\xc4\xc8\x2e\xc4\x1f\x8d\x88\xcf"
      "\xbe\x7e\xe3\x6a\x3a\x45\x97\xee\x43\x02\xb4\xf2\xf6\xe5\x88\x38\x3b\x32"
      "\xba\xf9\xfa\x9f\x6c\x7a\x66\x61\xbb\x9e\xee\x60\x9d\xd1\x7b\xea\x1b\xf1"
      "\x7f\xca\x3e\x60\x74\xe0\x7e\xbe\x49\xc7\x3f\xcf\xb5\x1a\xff\x65\x36\xc6"
      "\x3f\xd1\x62\xfc\x33\xd4\xe2\xdc\xdd\x89\xb6\xe7\xff\x86\xcc\xf5\x5d\x08"
      "\xd3\x56\x3a\xfe\x7b\xa1\xe9\xd9\xb6\xd5\xa6\xfc\xeb\x46\xf6\xd5\x6b\xff"
      "\xae\x8d\xf9\xb2\xc9\xb9\xf3\xa5\x62\x7a\x6d\xfb\x4f\x44\x8c\x45\x76\x28"
      "\xad\x4f\x6c\x11\x63\xec\xd6\xdf\xb7\xda\x2d\x6b\x1e\xff\xfd\xfe\xd1\x9b"
      "\x9f\xa7\xf1\xd3\xdf\x77\xd6\xc8\x5c\x1f\x18\xba\xfb\x35\x53\xf9\x6a\xfe"
      "\x41\x72\x6e\x76\xf3\x72\xc4\xe3\x03\xad\xf2\x4f\x36\xda\x3f\x69\x33\xfe"
      "\x3d\xdd\x61\x8c\x57\x9e\x7f\xef\xd3\x76\xcb\xd2\xfc\xd3\x7c\x1b\xd3\xe6"
      "\xfc\xbb\x6b\xed\x4a\xc4\x93\x2d\xdb\xff\xce\x13\x6d\xc9\x96\xcf\x27\x8e"
      "\xd7\x0e\x87\xf1\xc6\x41\xd1\xc2\x57\x3f\x7f\x32\xdc\x2e\x7e\x73\xfb\xa7"
      "\xd3\xea\xca\xf2\x5a\x12\x71\x75\xf7\x33\x6d\x2d\x6d\xff\xe1\xad\xf3\x1f"
      "\x49\x9a\x9f\xd7\xac\x6c\x3f\xc6\x0f\x57\x0e\x7d\xdb\x6e\x59\x8b\xfc\x0b"
      "\x8d\xff\x85\xd6\xb5\x3e\xfe\x07\x93\xd7\x6b\xe5\xc1\xfa\xbc\x4b\xf9\x6a"
      "\x75\x7e\x22\x62\x30\x79\x75\xf3\xfc\x63\x77\x5e\xdb\xa8\x37\xd6\x4f\xf3"
      "\x1f\x7b\xa2\xf5\xf9\xbf\xd5\xf1\x9f\x8e\x4e\xce\x76\x98\xff\xc0\x8d\x5f"
      "\xbf\xd8\x79\xfe\xdd\x95\xe6\x3f\xb5\xad\xf6\xdf\x7e\xe1\xda\xea\xcc\xbe"
      "\x76\xf1\x3b\x6b\xff\xc9\x5a\x69\xac\x3e\xa7\x93\xeb\x5f\xa7\x1b\xf8\x20"
      "\xfb\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x3a\x95\x89\x88\x83\x91\x64\x72\x1b\xe5\x4c\x26\x97\x5b\xff"
      "\x0e\xef\xff\xc5\x70\xa6\x54\xae\x54\x8f\x9c\x2b\x2f\xcc\x4d\x45\xed\xbb"
      "\xb2\x47\x22\x9b\x69\x7c\xd4\xe5\xa1\xa6\xcf\x43\x9d\xa8\x7f\x1e\x7e\xa3"
      "\x7e\xec\x9e\xfa\x33\x11\xf1\xdf\x88\xf8\x78\xe8\x5f\xb5\x7a\xae\x50\x2e"
      "\x4d\xf5\x3a\x79\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa8"
      "\x3b\xd0\xe6\xfb\xff\x53\xbf\x0c\xf5\x7a\xeb\x00\x80\xae\xd9\xdf\xeb\x0d"
      "\x00\x00\xf6\x9c\xfe\x1f\x00\xfa\x8f\xfe\x1f\x00\xfa\x8f\xfe\x1f\x00\xfa"
      "\x8f\xfe\x1f\x00\xfa\x8f\xfe\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x2e\x3b\x7d\xea\x54\x3a\xad\xfd\xb9\xb2\x5c\x48\xeb"
      "\x53\x17\x17\x17\x66\xca\x17\x8f\x4e\x15\x2b\x33\xb9\xd9\x85\x42\xae\x50"
      "\x9e\xbf\x90\x9b\x2e\x97\xa7\x4b\xc5\x5c\xa1\x3c\x7b\xbf\xbf\x57\x2a\x97"
      "\x2f\x4c\xc6\xdc\xc2\xa5\xf1\x6a\xb1\x52\x1d\xaf\x2c\x2e\x9d\x99\x2d\x2f"
      "\xcc\x55\xcf\x9c\x9f\xcd\x4f\x17\xcf\x14\xb3\x7b\x92\x15\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6c\x4f\x65\x71\x69\x26\x5f\x2a\x15"
      "\xe7\x15\x1e\x81\xc2\x40\xbd\xd5\x1e\x96\xed\xd9\x51\x21\xd3\x48\x62\xaf"
      "\x82\x0e\x76\x2b\x8b\x87\x60\x67\x76\xaf\xd0\xc3\x8b\x12\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x23\xe4\x9f\x00\x00\x00\xff\xff\xd6\xa3\x21"
      "\x5e",
      1926);
  syz_mount_image(/*fs=*/0x20000140, /*dir=*/0x20000040,
                  /*flags=MS_NOATIME*/ 0x400, /*opts=*/0x20000180, /*chdir=*/2,
                  /*size=*/0x786, /*img=*/0x20000f80);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x42 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x20000040, "./file1\000", 8);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul,
                /*flags=O_CREAT|O_RDWR*/ 0x42, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  pwritev2 arguments: [
  //    fd: fd (resource)
  //    vec: ptr[in, array[iovec[in, array[int8]]]] {
  //      array[iovec[in, array[int8]]] {
  //        iovec[in, array[int8]] {
  //          addr: ptr[in, buffer] {
  //            buffer: {fc 9b 89 77 2a 82 a4 51 f8 94 5d 83 04 44 90 d7 04 cc
  //            a9 59 86 da 02 b6 71 d2 cc dc 52 7e c2 64 f7 83 4f 35 ed 4c fc
  //            b2 59 af 8d 90 77 f6 a6 87 18 70 58 8b 5e aa 41 97 87 ac ae ba
  //            0d 7c 1a df 18 17 d5 bb 2b 56 76 38 17 b8 6a c2 cb 7a ca e8 0a
  //            0c 69 8d 64 34 39 25 a6 7e c0 9d dc cc 25 d5 c0 69 c0 2d 5b 1d
  //            47 cc fa 55 a1 08 ce 53 fa 9a 8f 4e 03 66 46 59 6a ff d5 08 cc
  //            6d 9e 64 19 76 c5 ef 02 f0 fa 60 16 f0 b4 63 12 78 19 4a 79 49
  //            ff 56 59 86 44 ec 32 73 79 60 23 01 27 81 c8 82 0f aa 1e 10 b5
  //            d4 c3 dd 75 f7 0d 6c e2 34 f1 73 24 a7 e7 5c 2a 1b f0 1e 2b ba}
  //            (length 0xba)
  //          }
  //          len: len = 0xba (8 bytes)
  //        }
  //        iovec[in, array[int8]] {
  //          addr: nil
  //          len: len = 0x0 (8 bytes)
  //        }
  //        iovec[in, array[int8]] {
  //          addr: nil
  //          len: len = 0x0 (8 bytes)
  //        }
  //        iovec[in, array[int8]] {
  //          addr: nil
  //          len: len = 0x0 (8 bytes)
  //        }
  //        iovec[in, array[int8]] {
  //          addr: nil
  //          len: len = 0x0 (8 bytes)
  //        }
  //      }
  //    }
  //    vlen: len = 0x5 (8 bytes)
  //    off_low: int32 = 0xb (4 bytes)
  //    off_high: int32 = 0xaecc (4 bytes)
  //    flags: rwf_flags = 0x2 (8 bytes)
  //  ]
  *(uint64_t*)0x20002940 = 0x20000240;
  memcpy((void*)0x20000240,
         "\xfc\x9b\x89\x77\x2a\x82\xa4\x51\xf8\x94\x5d\x83\x04\x44\x90\xd7\x04"
         "\xcc\xa9\x59\x86\xda\x02\xb6\x71\xd2\xcc\xdc\x52\x7e\xc2\x64\xf7\x83"
         "\x4f\x35\xed\x4c\xfc\xb2\x59\xaf\x8d\x90\x77\xf6\xa6\x87\x18\x70\x58"
         "\x8b\x5e\xaa\x41\x97\x87\xac\xae\xba\x0d\x7c\x1a\xdf\x18\x17\xd5\xbb"
         "\x2b\x56\x76\x38\x17\xb8\x6a\xc2\xcb\x7a\xca\xe8\x0a\x0c\x69\x8d\x64"
         "\x34\x39\x25\xa6\x7e\xc0\x9d\xdc\xcc\x25\xd5\xc0\x69\xc0\x2d\x5b\x1d"
         "\x47\xcc\xfa\x55\xa1\x08\xce\x53\xfa\x9a\x8f\x4e\x03\x66\x46\x59\x6a"
         "\xff\xd5\x08\xcc\x6d\x9e\x64\x19\x76\xc5\xef\x02\xf0\xfa\x60\x16\xf0"
         "\xb4\x63\x12\x78\x19\x4a\x79\x49\xff\x56\x59\x86\x44\xec\x32\x73\x79"
         "\x60\x23\x01\x27\x81\xc8\x82\x0f\xaa\x1e\x10\xb5\xd4\xc3\xdd\x75\xf7"
         "\x0d\x6c\xe2\x34\xf1\x73\x24\xa7\xe7\x5c\x2a\x1b\xf0\x1e\x2b\xba",
         186);
  *(uint64_t*)0x20002948 = 0xba;
  *(uint64_t*)0x20002950 = 0;
  *(uint64_t*)0x20002958 = 0;
  *(uint64_t*)0x20002960 = 0;
  *(uint64_t*)0x20002968 = 0;
  *(uint64_t*)0x20002970 = 0;
  *(uint64_t*)0x20002978 = 0;
  *(uint64_t*)0x20002980 = 0;
  *(uint64_t*)0x20002988 = 0;
  syscall(__NR_pwritev2, /*fd=*/r[0], /*vec=*/0x20002940ul, /*vlen=*/5ul,
          /*off_low=*/0xb, /*off_high=*/0xaecc, /*flags=RWF_DSYNC*/ 2ul);
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              data_err_ignore: buffer: {64 61 74 61 5f 65 72 72 3d 69 67 6e
  //              6f 72 65} (length 0xf)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              noload: buffer: {6e 6f 6c 6f 61 64} (length 0x6)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              debug_want_extra_isize: fs_opt["debug_want_extra_isize",
  //              fmt[hex, int32]] {
  //                name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72
  //                61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1
  //                bytes) val: int32 = 0x5a (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              errors_remount: buffer: {65 72 72 6f 72 73 3d 72 65 6d 6f 75
  //              6e 74 2d 72 6f} (length 0x11)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpid: buffer: {67 72 70 69 64} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              noquota: buffer: {6e 6f 71 75 6f 74 61} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              min_batch_time: fs_opt["min_batch_time", fmt[hex, int32]] {
  //                name: buffer: {6d 69 6e 5f 62 61 74 63 68 5f 74 69 6d 65}
  //                (length 0xe) eq: const = 0x3d (1 bytes) val: int32 = 0x3 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              jqfmt_vfsold: buffer: {6a 71 66 6d 74 3d 76 66 73 6f 6c 64}
  //              (length 0xc)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x47a (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x47a)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x20000240, "ext4\000", 5);
  memcpy((void*)0x20000000, "./file1\000", 8);
  memcpy((void*)0x20000300, "data_err=ignore", 15);
  *(uint8_t*)0x2000030f = 0x2c;
  memcpy((void*)0x20000310, "noload", 6);
  *(uint8_t*)0x20000316 = 0x2c;
  memcpy((void*)0x20000317, "debug_want_extra_isize", 22);
  *(uint8_t*)0x2000032d = 0x3d;
  sprintf((char*)0x2000032e, "0x%016llx", (long long)0x5a);
  *(uint8_t*)0x20000340 = 0x2c;
  memcpy((void*)0x20000341, "errors=remount-ro", 17);
  *(uint8_t*)0x20000352 = 0x2c;
  memcpy((void*)0x20000353, "grpid", 5);
  *(uint8_t*)0x20000358 = 0x2c;
  memcpy((void*)0x20000359, "noquota", 7);
  *(uint8_t*)0x20000360 = 0x2c;
  memcpy((void*)0x20000361, "min_batch_time", 14);
  *(uint8_t*)0x2000036f = 0x3d;
  sprintf((char*)0x20000370, "0x%016llx", (long long)3);
  *(uint8_t*)0x20000382 = 0x2c;
  memcpy((void*)0x20000383, "jqfmt=vfsold", 12);
  *(uint8_t*)0x2000038f = 0x2c;
  *(uint8_t*)0x20000390 = 0;
  memcpy(
      (void*)0x200006c0,
      "\x78\x9c\xec\xdb\xcb\x8f\x14\xc5\x1f\x00\xf0\x6f\xf7\x3e\x80\x1f\x8f\xe5"
      "\x87\xf8\x00\x51\x57\x89\xc9\x46\xe3\x2e\xbb\xa0\x72\xf0\xa2\xd1\xc4\x18"
      "\x8c\x26\x7a\xc0\xe3\x3a\x3b\x90\x0d\x03\x6b\xd8\xd5\x08\x12\x59\x8c\xf1"
      "\x64\x62\x48\xf4\x4c\x3c\x1a\xfd\x0b\xbc\x19\x13\xa3\x9e\x4c\xb8\x7a\xf2"
      "\x64\x48\x88\x72\x01\x3c\xad\xe9\x9e\x6e\x98\x1d\x66\x78\xb8\x33\xcc\xb2"
      "\xf3\xf9\x24\x3d\x53\xd5\x5d\x3d\x55\x35\xd5\x8f\xea\xaa\x99\x00\xfa\xd6"
      "\x68\xf6\x92\x44\x6c\x8a\x88\xdf\x23\x62\xa4\x1e\x5d\x9e\x60\xb4\xfe\x76"
      "\xe5\xd2\xa9\xca\xd5\x4b\xa7\x2a\x49\x2c\x2d\xbd\xf5\x57\x92\xa7\xbb\x7c"
      "\xe9\x54\xa5\x4c\x5a\xee\xb7\xb1\x88\x8c\xa5\x11\xe9\xa7\x49\x91\xc9\x72"
      "\xf3\x27\x4e\x1e\x99\xae\xd5\xaa\xc7\x8b\xf8\xc4\xc2\xd1\xf7\x26\xe6\x4f"
      "\x9c\x7c\xe6\x83\xa3\xd3\x87\xab\x87\xab\xc7\xa6\xf6\xef\xdf\xb7\x77\xf2"
      "\xf9\xe7\xa6\x9e\xed\x48\x3d\xb3\x7a\x5d\xde\xf9\xf1\xdc\xae\x1d\xaf\xbe"
      "\x73\xf6\xf5\xca\xc1\xb3\xef\xfe\xf2\x5d\x56\xde\x4d\xc5\xf6\xc6\x7a\x74"
      "\xca\x68\x56\xf1\xbf\x97\x72\xcd\xdb\x9e\xec\x74\x66\x3d\xb6\xb9\x21\x9c"
      "\x0c\xf6\xb0\x20\xdc\x91\x81\x88\xc8\x9a\x6b\x28\x3f\xff\x47\x62\x20\xae"
      "\x37\xde\x48\xbc\xf2\x49\x4f\x0b\x07\x74\x55\x76\x6f\x5a\xd7\x7e\xf3\xe2"
      "\x12\xb0\x86\x25\xd1\xeb\x12\x00\xbd\x51\xde\xe8\xb3\xe7\xdf\x72\xb9\x4b"
      "\x5d\x8f\x55\xe1\xe2\x8b\xf5\x07\xa0\xac\xde\x57\x8a\xa5\xbe\x65\x30\xd2"
      "\x22\xcd\x50\xd3\xf3\x6d\x27\x8d\x46\xc4\xc1\xc5\x7f\xce\x65\x4b\x74\x69"
      "\x1c\x02\x00\xa0\xd1\xe7\x95\xaf\x0e\x0c\x47\xc4\x47\x57\xbf\x7d\x2d\xeb"
      "\x7b\x8c\x44\x44\x39\x1e\xf4\x40\xfe\xfa\x47\xfe\xba\xa5\x98\x43\xd9\x1a"
      "\x11\xff\x8f\x88\x6d\x11\x71\x5f\x44\x6c\x8f\x88\xfb\x8b\xb4\x0f\x46\xc4"
      "\x43\x2b\x2c\xcf\x8d\xfd\x9f\xf4\xc2\x0a\x3f\xf2\xa6\xb2\xfe\xdf\x0b\xc5"
      "\xdc\xd6\xf2\xfe\x5f\xd9\xfb\x8b\xad\x03\x45\x6c\x73\x5e\xff\xa1\xe4\xd0"
      "\x6c\xad\xba\x27\xd6\xe5\xdf\xc9\x58\x0c\xad\xcb\xe2\x93\x37\xc9\xe3\x87"
      "\x97\xcf\x7f\xd1\x6e\x5b\x63\xff\x2f\x5b\xb2\xfc\xcb\xbe\x60\x51\x8e\x0b"
      "\x83\x4d\x03\x74\x33\xd3\x0b\xd3\x79\xa7\xb4\x03\x2e\x9e\x89\xd8\x39\xd8"
      "\xaa\xfe\xc9\xb5\x99\x80\x24\x22\x76\x44\xc4\xce\x3b\xfb\xe8\x2d\x65\x60"
      "\xf6\xa9\x6f\x76\xb5\x4b\xd4\xba\xfe\x97\xcf\xdd\x56\x0e\x1d\x98\x67\x5a"
      "\xfa\x3a\xab\xde\x62\x56\xff\xc5\x68\xaa\x7f\x29\x69\x9c\x9f\x9c\xbd\x61"
      "\x7e\x72\x62\x7d\xd4\xaa\x7b\x26\xea\x47\x45\x2b\xbf\xfe\xf6\xd9\x9b\xed"
      "\xf2\xbf\x75\xfb\x77\xd7\xc5\x6a\xfd\xbd\xa1\xfd\x9b\x93\x6c\x4d\x1a\xe7"
      "\x6b\xe7\x3b\x9b\xff\x7f\x3c\xfe\xd3\xe1\xe4\xed\x7c\x9e\x79\xb8\x58\xf7"
      "\xe1\xf4\xc2\xc2\xf1\xc9\x88\xe1\xe4\x40\x1e\x5f\xb6\x7e\xea\xfa\xbe\x65"
      "\xbc\x4c\x9f\x1d\xff\x63\xbb\x5b\x9f\xff\xdb\x8a\x7d\xb2\xfa\x3f\x1c\x11"
      "\xd9\x41\xfc\x48\x44\x3c\x1a\x11\x8f\x15\x65\x7f\x3c\x22\x9e\x88\x88\xdd"
      "\x37\xa9\xe3\xcf\x2f\xdd\xba\xfe\x91\xf6\xa8\xfd\xcf\x44\xcc\xb4\xbc\xfe"
      "\x5d\x3b\xfe\x9b\xda\xff\xce\x03\x03\x47\x7e\xfa\xbe\x5d\xfe\xb7\xd7\xfe"
      "\xfb\xf2\xd0\x58\xb1\x26\xbf\xfe\xdd\x42\xab\xe2\x64\x97\x8b\xe6\x02\xae"
      "\xe4\xbb\x03\x00\x00\x80\x7b\x45\x9a\xff\x06\x3e\x49\xc7\xaf\x85\xd3\x74"
      "\x7c\xbc\xfe\x1b\xfe\xed\xf1\xbf\xb4\x36\x37\xbf\xf0\xf4\xa1\xb9\xf7\x8f"
      "\xcd\xc4\xf9\x2d\xf5\xf1\xcf\xb4\x1c\xe9\x1a\x29\xc6\x43\x6b\xb3\xb5\xea"
      "\x64\xb2\x58\x7c\x62\x7d\x7c\x74\xaa\x18\x2b\x2e\xc7\x4b\xf7\x16\xe3\xc6"
      "\x5f\x0e\x6c\xc8\xe3\xe3\x95\xb9\xda\x4c\x8f\xeb\x0e\xfd\x6e\x63\x9b\xf3"
      "\x3f\xf3\xe7\x40\xaf\x4b\x07\x74\xd9\x86\x96\x6b\xa7\x86\xef\x7a\x41\x80"
      "\x1e\x68\x9e\x47\x4f\x97\x47\x4f\xbf\x11\x2e\x06\xb0\x56\xf9\xbf\x36\xf4"
      "\xaf\xf2\xfc\x6f\xf3\xbc\xdf\xf8\x3f\x18\x60\x8d\x71\xff\x87\xfe\xd5\xea"
      "\xfc\x3f\xdd\x14\x37\x17\x00\x6b\x93\xfb\x3f\xf4\x2f\xe7\x3f\xf4\xa9\xf4"
      "\xc7\x15\xec\xec\xa9\x00\xee\x75\xee\xff\xd0\x97\x56\xf2\xbf\xfe\x2e\x06"
      "\xd6\xaf\x8e\x62\xf4\x26\xb0\x5a\x1b\x25\x0f\x44\x94\x81\x74\x55\x94\x47"
      "\xa0\x4b\x81\x5e\x5f\x99\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x3a\xe3\xdf\x00\x00\x00\xff\xff\x8f\x73\xe7\x6a",
      1146);
  syz_mount_image(/*fs=*/0x20000240, /*dir=*/0x20000000, /*flags=*/0,
                  /*opts=*/0x20000300, /*chdir=*/1, /*size=*/0x47a,
                  /*img=*/0x200006c0);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*len=*/0x1000, /*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;
}