// https://syzkaller.appspot.com/bug?id=e87124bc3a3c38bf883f562cc8cc06e3a8afd44a
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.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/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

//% 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;
}

uint64_t r[1] = {0xffffffffffffffff};

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;
  install_segv_handler();
  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 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x28107dd (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 {
  //              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 {
  //              noblock_validity: buffer: {6e 6f 62 6c 6f 63 6b 5f 76 61 6c 69
  //              64 69 74 79} (length 0x10)
  //            }
  //            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 {
  //              test_dummy_encryption: buffer: {74 65 73 74 5f 64 75 6d 6d 79
  //              5f 65 6e 63 72 79 70 74 69 6f 6e} (length 0x15)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          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 = 0x0 (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              jqfmt_vfsv1: buffer: {6a 71 66 6d 74 3d 76 66 73 76 31}
  //              (length 0xb)
  //            }
  //            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 {
  //              auto_da_alloc_val: fs_opt["auto_da_alloc", fmt[hex, int32]] {
  //                name: buffer: {61 75 74 6f 5f 64 61 5f 61 6c 6c 6f 63}
  //                (length 0xd) eq: const = 0x3d (1 bytes) val: int32 = 0x853
  //                (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              journal_path: fs_opt["journal_path", stringnoz[filename]] {
  //                name: buffer: {6a 6f 75 72 6e 61 6c 5f 70 61 74 68} (length
  //                0xc) eq: const = 0x3d (1 bytes) val: buffer: {2e 2f 66 69 6c
  //                65 30} (length 0x7)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpjquota_path: fs_opt["grpjquota", stringnoz[filename]] {
  //                name: buffer: {67 72 70 6a 71 75 6f 74 61} (length 0x9)
  //                eq: const = 0x3d (1 bytes)
  //                val: buffer: {2e 2f 66 69 6c 65 30} (length 0x7)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              usrjquota: buffer: {75 73 72 6a 71 75 6f 74 61 3d} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nolazytime: buffer: {6e 6f 6c 61 7a 79 74 69 6d 65} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              bsdgroups: buffer: {62 73 64 67 72 6f 75 70 73} (length 0x9)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              norecovery: buffer: {6e 6f 72 65 63 6f 76 65 72 79} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nobarrier: buffer: {6e 6f 62 61 72 72 69 65 72} (length 0x9)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              max_dir_size_kb: fs_opt["max_dir_size_kb", fmt[hex, int32]] {
  //                name: buffer: {6d 61 78 5f 64 69 72 5f 73 69 7a 65 5f 6b 62}
  //                (length 0xf) eq: const = 0x3d (1 bytes) val: int32 = 0x5 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              resgid: fs_opt["resgid", fmt[hex, gid]] {
  //                name: buffer: {72 65 73 67 69 64} (length 0x6)
  //                eq: const = 0x3d (1 bytes)
  //                val: gid (resource)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              journal_ioprio: fs_opt["journal_ioprio", fmt[hex, int32[0:7]]]
  //              {
  //                name: buffer: {6a 6f 75 72 6e 61 6c 5f 69 6f 70 72 69 6f}
  //                (length 0xe) eq: const = 0x3d (1 bytes) val: int32 = 0x0 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //          fs_opt_elem[fs_options_common] {
  //            elem: union fs_options_common {
  //              audit: buffer: {61 75 64 69 74} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[fs_options_common] {
  //            elem: union fs_options_common {
  //              rootcontext: fs_opt["rootcontext",
  //              stringnoz[selinux_user_context]] {
  //                name: buffer: {72 6f 6f 74 63 6f 6e 74 65 78 74} (length
  //                0xb) eq: const = 0x3d (1 bytes) val: buffer: {73 79 73 74 65
  //                6d 5f 75} (length 0x8)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        null: const = 0x2c (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x2 (1 bytes)
  //    size: len = 0x4f8 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x4f8)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000000, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x200000000080, "./file0\000", 8));
  NONFAILING(memcpy((void*)0x200000001380, "errors=remount-ro", 17));
  NONFAILING(*(uint8_t*)0x200000001391 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001392, "noblock_validity", 16));
  NONFAILING(*(uint8_t*)0x2000000013a2 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000013a3, "noquota", 7));
  NONFAILING(*(uint8_t*)0x2000000013aa = 0x2c);
  NONFAILING(memcpy((void*)0x2000000013ab, "test_dummy_encryption", 21));
  NONFAILING(*(uint8_t*)0x2000000013c0 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000013c1, "data_err=ignore", 15));
  NONFAILING(*(uint8_t*)0x2000000013d0 = 0);
  NONFAILING(memcpy((void*)0x2000000013d1, "jqfmt=vfsv1", 11));
  NONFAILING(*(uint8_t*)0x2000000013dc = 0x2c);
  NONFAILING(memcpy((void*)0x2000000013dd, "noload", 6));
  NONFAILING(*(uint8_t*)0x2000000013e3 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000013e4, "auto_da_alloc", 13));
  NONFAILING(*(uint8_t*)0x2000000013f1 = 0x3d);
  NONFAILING(sprintf((char*)0x2000000013f2, "0x%016llx", (long long)0x853));
  NONFAILING(*(uint8_t*)0x200000001404 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001405, "journal_path", 12));
  NONFAILING(*(uint8_t*)0x200000001411 = 0x3d);
  NONFAILING(memcpy((void*)0x200000001412, "./file0", 7));
  NONFAILING(*(uint8_t*)0x200000001419 = 0x2c);
  NONFAILING(memcpy((void*)0x20000000141a, "grpjquota", 9));
  NONFAILING(*(uint8_t*)0x200000001423 = 0x3d);
  NONFAILING(memcpy((void*)0x200000001424, "./file0", 7));
  NONFAILING(*(uint8_t*)0x20000000142b = 0x2c);
  NONFAILING(memcpy((void*)0x20000000142c, "usrjquota=", 10));
  NONFAILING(*(uint8_t*)0x200000001436 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001437, "nolazytime", 10));
  NONFAILING(*(uint8_t*)0x200000001441 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001442, "bsdgroups", 9));
  NONFAILING(*(uint8_t*)0x20000000144b = 0x2c);
  NONFAILING(memcpy((void*)0x20000000144c, "norecovery", 10));
  NONFAILING(*(uint8_t*)0x200000001456 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001457, "nobarrier", 9));
  NONFAILING(*(uint8_t*)0x200000001460 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001461, "max_dir_size_kb", 15));
  NONFAILING(*(uint8_t*)0x200000001470 = 0x3d);
  NONFAILING(sprintf((char*)0x200000001471, "0x%016llx", (long long)5));
  NONFAILING(*(uint8_t*)0x200000001483 = 0x2c);
  NONFAILING(memcpy((void*)0x200000001484, "resgid", 6));
  NONFAILING(*(uint8_t*)0x20000000148a = 0x3d);
  NONFAILING(sprintf((char*)0x20000000148b, "0x%016llx", (long long)0));
  NONFAILING(*(uint8_t*)0x20000000149d = 0x2c);
  NONFAILING(memcpy((void*)0x20000000149e, "journal_ioprio", 14));
  NONFAILING(*(uint8_t*)0x2000000014ac = 0x3d);
  NONFAILING(sprintf((char*)0x2000000014ad, "0x%016llx", (long long)0));
  NONFAILING(*(uint8_t*)0x2000000014bf = 0x2c);
  NONFAILING(memcpy((void*)0x2000000014c0, "audit", 5));
  NONFAILING(*(uint8_t*)0x2000000014c5 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000014c6, "rootcontext", 11));
  NONFAILING(*(uint8_t*)0x2000000014d1 = 0x3d);
  NONFAILING(memcpy((void*)0x2000000014d2, "system_u", 8));
  NONFAILING(*(uint8_t*)0x2000000014da = 0x2c);
  NONFAILING(*(uint8_t*)0x2000000014db = 0x2c);
  NONFAILING(memcpy(
      (void*)0x200000000700,
      "\x78\x9c\xec\xdc\x4b\x6f\x54\x65\x1f\x00\xf0\xff\x99\xb6\x94\xbe\xd0\xb7"
      "\x7d\x79\xbd\x71\x51\x46\xd1\xd8\x68\xa4\xb4\x5c\x17\x2e\x80\x68\xc2\xc6"
      "\xc4\x44\x63\x70\x59\xdb\x42\x90\x02\x86\xd6\x04\x48\x23\xc5\x18\x48\x5c"
      "\x68\xf8\x04\x5e\x76\x26\x7e\x02\x57\xba\x31\x6a\x5c\x68\xdc\x4a\xdc\x1a"
      "\x13\x62\xba\x01\x5d\x98\x63\xce\xcc\x99\x3a\xed\xe9\xf4\xc6\xb4\x63\xe9"
      "\xef\x97\xcc\xf0\x9c\xdb\x3c\xcf\xff\x9c\xf3\x30\xcf\x65\x4e\x03\xd8\xb0"
      "\xca\xd9\x5b\x12\xb1\x35\x22\x7e\x8e\x88\x9e\xea\xe2\xec\x1d\xca\xd5\x7f"
      "\xee\x4e\x4f\x0e\xff\x31\x3d\x39\x9c\x44\x9a\xbe\xf2\x7b\x52\xd9\xef\xce"
      "\xf4\xe4\x70\x6d\xd7\xda\x71\x5b\xf2\x85\xbe\x52\x44\xe9\xbd\x24\x76\x16"
      "\xb3\xed\x1c\xbf\x7c\xe5\xec\xd0\xd8\xd8\xe8\xc5\x7c\x45\xff\x44\x29\x4f"
      "\x9d\x1b\x3a\x3d\x7a\x7a\xf4\xfc\xe0\x91\x23\x07\xf6\x77\x1d\x3e\x34\x78"
      "\xb0\x29\x71\x66\x65\xba\xb3\xe3\x9d\x0b\xbb\xb6\x9f\x78\xfd\xe6\x4b\xc3"
      "\x27\x6f\xbe\xf1\xed\xe7\x59\x79\xd3\x7c\x7b\x7d\x1c\x55\xbd\x95\xf7\x4d"
      "\x4b\xce\xa1\xad\xb0\xa6\x1c\xe5\xd9\xe7\xb2\xce\x53\x4b\x2f\xfa\xba\xd0"
      "\x5d\x97\x4e\xda\xb3\xf7\x52\xeb\x0a\xc3\x92\x65\x77\x6d\x76\xb9\x3a\x2a"
      "\xf5\xbf\x27\xda\x2a\x4b\x55\x3d\xf1\xe2\xbb\x2d\x2d\x1c\xb0\xaa\xd2\x34"
      "\x4d\x3b\x0b\x6b\x67\xbe\xcb\xa6\xd2\x7a\x49\x52\x3d\x20\x4d\xaf\xa5\xc0"
      "\x7d\x20\x89\x56\x97\x00\x68\x8d\xda\x17\xfd\x9d\xe9\xac\xa7\x3a\x39\x5c"
      "\xec\x07\xdf\xdf\x6e\x1f\x8b\x4a\x0f\x28\x8b\xfb\x6e\xfe\xaa\x6e\x69\xaf"
      "\xf4\x60\xcb\xbd\xd5\xbe\x51\xc7\x2a\xe5\xff\x40\x44\x9c\x9c\xfa\xf3\xa3"
      "\xec\x15\xf3\x8e\x43\x00\x00\x34\xd7\x97\xc7\x22\x6e\x1c\xaf\xb6\x3b\x6a"
      "\xaf\xea\x96\x52\x3c\x54\xb7\xdf\x7f\xf3\xb9\xa1\xde\x88\xf8\x5f\x44\x6c"
      "\x8b\x88\xff\xe7\xed\x97\x07\x23\x2a\xfb\x3e\x1c\x11\x8f\xd4\x1d\xd3\xbd"
      "\x84\x59\x80\xf2\x9c\xe5\x62\xfb\xe7\xc7\xae\x3c\x51\xdf\x5c\x6d\x9a\xac"
      "\xfd\xf7\x7c\x3e\xb7\x35\xbb\xfd\x37\x53\xf2\xde\xb6\x7c\xa9\xbb\x12\x7f"
      "\x47\x72\xea\xcc\xd8\xe8\xbe\xfc\x9c\xf4\x45\x47\x67\xb6\x3c\x50\xfc\xe8"
      "\x99\x61\xb5\xaf\x5e\xf8\xe9\xc3\x46\xf9\x97\xeb\xda\x7f\xd9\x2b\xcb\xbf"
      "\xd6\x16\xcc\xcb\xf1\x5b\xfb\x9c\x01\xba\x91\xa1\x89\xa1\x7b\x8d\xbb\xe6"
      "\xf6\xb5\xca\x89\xbd\x5a\x8c\x3f\x89\xf6\xa4\x96\x8a\xd8\x1e\x11\x3b\x56"
      "\xf0\xf9\xd9\x39\x3b\xf3\xcc\x67\xbb\x1a\x6d\x9f\x15\x7f\x16\x67\x21\xfe"
      "\x0f\x1a\x7f\x78\xfb\x0a\x0a\x34\x47\xfa\x49\xc4\xd3\xd5\xeb\x3f\x15\x73"
      "\xe2\x8f\x7c\xfe\x2f\xa9\xcc\x4f\x9e\x7b\xab\x7f\xfc\xf2\x95\xe7\xce\xd4"
      "\xcf\x4f\x0e\x1c\x3e\x34\x78\xb0\x7f\x73\x8c\x8d\xee\xeb\xaf\xdd\x15\x45"
      "\xdf\xfd\x70\xfd\xe5\x3c\x59\xe8\x46\x2c\x70\xfd\x6b\x55\x63\x55\x27\xd2"
      "\xb2\xeb\xff\x9f\x79\xef\xff\x99\x99\xcb\xde\x2c\x35\x33\x5f\x3b\xbe\xfc"
      "\x3c\xae\xdf\xba\xd1\xb0\x4f\xb3\xd2\xfb\x7f\x53\xf2\x6a\x25\x5d\x9b\x9f"
      "\xbd\x34\x34\x31\x71\x71\x20\x62\x53\x32\x55\x5c\x3f\xf8\xcf\xb1\x97\x86"
      "\xba\x66\xed\x9f\xc5\xdf\xb7\x67\xfe\xfa\xbf\x2d\xe2\xaf\x8f\xf3\xe3\x76"
      "\x46\x44\x76\x13\x3f\x1a\x11\x8f\x45\xc4\xee\xbc\xec\x8f\x47\xc4\x13\x11"
      "\xb1\x67\x81\xf8\xbf\x39\xfe\xe4\x9b\x8d\xba\x90\x8b\xc7\xbf\xba\xb2\xf8"
      "\x47\x96\x75\xfd\x1b\x25\x8e\x7e\x1f\x31\xff\xa6\xb6\xb3\x5f\x7f\x51\xc8"
      "\xf8\xfd\x72\x21\xfe\x8e\x68\x74\xfd\x0f\x54\x52\x7d\xf9\x9a\x91\xa1\x89"
      "\xcd\x8b\xc5\xb5\x50\x49\xeb\x13\xf7\x7c\x02\x01\x00\x00\x60\x1d\xd8\x1d"
      "\x11\x5b\x23\x29\xed\xcd\x07\x9a\xb6\x46\xa9\xb4\x77\x6f\xc4\x96\x99\x11"
      "\x94\xf1\x89\x67\x4f\x5d\x78\xfb\xfc\x48\xf5\x19\x81\xde\xe8\x28\xd5\x46"
      "\xba\x7a\xea\xc6\x43\x07\xf2\xb1\xe1\x6c\x39\x3b\x6a\xb0\x6e\x39\xdb\xbe"
      "\xbf\x32\x6e\x9c\xa6\x69\xda\x95\x2d\x67\xfd\xf7\xb1\xee\xd6\x86\x0e\x1b"
      "\xde\x96\x06\xf5\x3f\xf3\x6b\xf1\x91\x16\xe0\x7e\xb3\xac\x79\xb4\x46\x4f"
      "\xb4\x01\xeb\xd2\xdc\xfa\x7f\x6b\xc9\x47\x36\xff\x07\x19\xc0\xda\x6a\xc2"
      "\xef\x68\x80\x75\x4a\xfd\x87\x8d\x6b\xc9\xf5\x7f\xb5\x9e\x82\x03\x5a\x66"
      "\xbe\xfa\x7f\x35\xe2\x6e\x0b\x8a\x02\xac\xb1\xf9\xea\xff\x6b\x85\x35\x47"
      "\xd7\xa4\x2c\xc0\xda\xd2\xff\x87\x8d\x6b\xe5\xf5\xdf\x8f\x01\x60\xbd\xf3"
      "\xfd\x0f\x1b\xd2\x92\x1e\x92\x5f\x41\x62\xdb\x89\x05\xf6\x49\xda\x57\x27"
      "\xd3\xc6\x89\x52\x2c\xfc\x57\x00\x7a\x23\x6a\x6b\x6a\x6d\x9a\x85\x3f\xf0"
      "\x97\x52\x44\x73\x4a\xd8\xd6\xd4\x48\xbb\x66\x5d\xd3\xd2\xbc\xfb\x6c\x8e"
      "\x66\xe4\x15\xa5\x45\xf7\x69\x5f\xc6\x1f\x62\x58\xdb\x44\xe9\xdf\x51\x8c"
      "\x6a\xa2\x33\x22\x16\xb9\x7b\x67\x6e\xb6\xab\xb5\xc4\x95\xd5\x2e\x58\xa5"
      "\x12\x7c\xda\xda\xff\x9d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\xee\xdd\xdf\x01\x00\x00\xff\xff\xed\x51\xd3\xeb",
      1272));
  NONFAILING(syz_mount_image(
      /*fs=*/0x200000000000, /*dir=*/0x200000000080,
      /*flags=MS_LAZYTIME|MS_I_VERSION|MS_POSIXACL|MS_SYNCHRONOUS|MS_RDONLY|MS_NOEXEC|0x7c4*/
      0x28107dd, /*opts=*/0x200000001380, /*chdir=*/2, /*size=*/0x4f8,
      /*img=*/0x200000000700));
  //  quotactl$Q_QUOTAON arguments: [
  //    cmd: quota_cmd_quota_on = 0xffffffff80000201 (8 bytes)
  //    special: ptr[in, blockdev_filename] {
  //      union blockdev_filename {
  //        loop: loop_filename {
  //          prefix: buffer: {2f 64 65 76 2f 6c 6f 6f 70} (length 0x9)
  //          id: proc = 0x0 (1 bytes)
  //          z: const = 0x0 (1 bytes)
  //        }
  //      }
  //    }
  //    id: uid (resource)
  //    addr: nil
  //  ]
  NONFAILING(memcpy((void*)0x200000000180, "/dev/loop", 9));
  NONFAILING(*(uint8_t*)0x200000000189 = 0x30);
  NONFAILING(*(uint8_t*)0x20000000018a = 0);
  syscall(__NR_quotactl, /*cmd=Q_QUOTAON_GRP*/ 0xffffffff80000201ul,
          /*special=*/0x200000000180ul, /*id=*/(intptr_t)-1, /*addr=*/0ul);
  //  mprotect arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x3000 (8 bytes)
  //    prot: mmap_prot = 0x9 (8 bytes)
  //  ]
  syscall(__NR_mprotect, /*addr=*/0x200000000000ul, /*len=*/0x3000ul,
          /*prot=PROT_SEM|PROT_READ*/ 9ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {68 75 67 65 74 6c 62 2e 31 47 42 2e 75 73 61 67 65 5f 69 6e
  //      5f 62 79 74 65 73 00} (length 0x1b)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(
      memcpy((void*)0x200000000180, "hugetlb.1GB.usage_in_bytes\000", 27));
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x200000000180ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (8 bytes)
  //    prot: mmap_prot = 0xa (8 bytes)
  //    flags: mmap_flags = 0x28011 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000ul,
          /*prot=PROT_SEM|PROT_WRITE*/ 0xaul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[0], /*offset=*/0ul);
  //  syz_mount_image$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 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x14711 (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 {
  //              lazytime: buffer: {6c 61 7a 79 74 69 6d 65} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              inlinecrypt: buffer: {69 6e 6c 69 6e 65 63 72 79 70 74}
  //              (length 0xb)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              jqfmt_vfsv0: buffer: {6a 71 66 6d 74 3d 76 66 73 76 30}
  //              (length 0xb)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              abort: buffer: {61 62 6f 72 74} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              mblk_io_submit: buffer: {6d 62 6c 6b 5f 69 6f 5f 73 75 62 6d
  //              69 74} (length 0xe)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              dioread_nolock: buffer: {64 69 6f 72 65 61 64 5f 6e 6f 6c 6f
  //              63 6b} (length 0xe)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              max_dir_size_kb: fs_opt["max_dir_size_kb", fmt[hex, int32]] {
  //                name: buffer: {6d 61 78 5f 64 69 72 5f 73 69 7a 65 5f 6b 62}
  //                (length 0xf) eq: const = 0x3d (1 bytes) val: int32 = 0x222a
  //                (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nouid32: buffer: {6e 6f 75 69 64 33 32} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              test_dummy_encryption: buffer: {74 65 73 74 5f 64 75 6d 6d 79
  //              5f 65 6e 63 72 79 70 74 69 6f 6e} (length 0x15)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              bsdgroups: buffer: {62 73 64 67 72 6f 75 70 73} (length 0x9)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x3 (1 bytes)
  //    size: len = 0x453 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x453)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000280, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x2000000000c0, "./file0\000", 8));
  NONFAILING(memcpy((void*)0x2000000003c0, "lazytime", 8));
  NONFAILING(*(uint8_t*)0x2000000003c8 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000003c9, "inlinecrypt", 11));
  NONFAILING(*(uint8_t*)0x2000000003d4 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000003d5, "jqfmt=vfsv0", 11));
  NONFAILING(*(uint8_t*)0x2000000003e0 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000003e1, "abort", 5));
  NONFAILING(*(uint8_t*)0x2000000003e6 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000003e7, "mblk_io_submit", 14));
  NONFAILING(*(uint8_t*)0x2000000003f5 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000003f6, "dioread_nolock", 14));
  NONFAILING(*(uint8_t*)0x200000000404 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000405, "max_dir_size_kb", 15));
  NONFAILING(*(uint8_t*)0x200000000414 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000415, "0x%016llx", (long long)0x222a));
  NONFAILING(*(uint8_t*)0x200000000427 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000428, "nouid32", 7));
  NONFAILING(*(uint8_t*)0x20000000042f = 0x2c);
  NONFAILING(memcpy((void*)0x200000000430, "test_dummy_encryption", 21));
  NONFAILING(*(uint8_t*)0x200000000445 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000446, "bsdgroups", 9));
  NONFAILING(*(uint8_t*)0x20000000044f = 0x2c);
  NONFAILING(*(uint8_t*)0x200000000450 = 0);
  NONFAILING(memcpy(
      (void*)0x200000000c40,
      "\x78\x9c\xec\xdb\xcd\x6f\x14\xe5\x1f\x00\xf0\xef\xcc\xb6\xf0\xfb\xf1\xd6"
      "\x8a\xf8\x02\xa2\x56\xd1\xd8\xf8\xd2\xd2\x82\xca\xc1\x8b\x46\x13\x0f\x9a"
      "\x98\xe8\x01\x8f\xb5\x2d\x04\x59\xa8\xa1\x35\x11\xd2\x68\x35\x06\x8f\x86"
      "\xc4\xbb\xf1\x68\xe2\x5f\xe0\x49\x2f\x46\x3d\x99\x78\xd5\xbb\x21\x21\xda"
      "\x0b\xe8\x69\xcd\xcc\xce\x94\xed\xb2\xbb\xb4\x74\xeb\x16\xf6\xf3\x49\x06"
      "\x9e\x67\xe6\xd9\x3e\xcf\xb7\xcf\x3c\x3b\xcf\xcc\x33\x0d\xa0\x6f\x8d\x64"
      "\xff\x24\x11\xbb\x22\xe2\xb7\x88\x18\xaa\x67\x57\x17\x18\xa9\xff\x77\x6d"
      "\x79\x71\xfa\xef\xe5\xc5\xe9\x24\x6a\xb5\x37\xff\x4c\xf2\x72\x57\x97\x17"
      "\xa7\xcb\xa2\xe5\xe7\x76\x16\x99\xd1\x34\x22\xfd\x34\x29\x2a\x59\x6d\xfe"
      "\xfc\x85\xd3\x53\xd5\xea\xec\xb9\x22\x3f\xbe\x70\xe6\xbd\xf1\xf9\xf3\x17"
      "\x9e\x39\x75\x66\xea\xe4\xec\xc9\xd9\xb3\x93\xc7\x8e\x1d\x3d\x32\xf1\xfc"
      "\x73\x93\xcf\xae\x3d\x98\x24\x69\x7b\x68\x77\xd6\xd6\x03\x1f\xce\x1d\xdc"
      "\xff\xea\xdb\x97\x5e\x9f\x3e\x7e\xe9\x9d\x9f\xbe\xc9\x4a\xef\x2a\x8e\x37"
      "\xc6\xb1\x11\x69\x43\x7a\x24\x0b\xfc\xaf\x5a\xae\xb9\xdc\xe3\xdd\xa8\x6c"
      "\x0b\xd9\xdd\x90\x4e\x06\x6e\x5e\x86\xad\xa1\x12\x11\x59\x77\x0d\xe6\xe3"
      "\x7f\x28\x2a\x71\xbd\xf3\x86\xe2\x95\x4f\x7a\xda\x38\x60\x53\x65\xd7\xa6"
      "\xed\xed\x0f\x2f\xd5\x5a\xa9\xb4\xdc\x0b\xdc\x76\x92\xe8\x75\x0b\x80\xde"
      "\x28\x2f\xf4\xd9\xfd\x6f\xb9\xfd\x47\x53\x8f\x2d\xe1\xca\x8b\xf5\x1b\xa0"
      "\xab\xc9\xe2\xf4\xb5\xe5\xfa\x56\x3f\x32\xb0\x72\x2f\x3f\xb8\x89\xf7\xae"
      "\x23\x11\x71\x7c\xe9\x9f\x2f\xb3\x2d\xba\xf8\x1c\x02\x00\xa0\x9d\xef\xb2"
      "\xf9\xcf\xd3\xad\xe6\x7f\x69\xdc\xdb\x50\x6e\x4f\xb1\x36\x34\x1c\x11\x77"
      "\x45\xc4\xde\x88\xb8\x3b\x22\xf6\x45\xc4\x3d\x11\x79\xd9\xfb\x22\xe2\xfe"
      "\x1b\x6a\x48\x3b\xd6\xdf\xbc\x34\x74\xe3\xfc\x27\xbd\x7c\xcb\xc1\xad\x41"
      "\x36\xff\x7b\xa1\x58\xdb\x5a\x3d\xff\x5b\x69\xf7\x70\xa5\xc8\xed\xce\xe3"
      "\x1f\x4c\x4e\x9c\xaa\xce\x1e\x2e\x7e\x27\xa3\x31\xb8\x3d\xcb\x4f\x74\xa8"
      "\xe3\xfb\x97\x7f\xfd\xbc\xdd\xb1\xc6\xf9\x5f\xb6\x65\xf5\x97\x73\xc1\xa2"
      "\x1d\x97\x07\x9a\x1e\xd0\xcd\x4c\x2d\x4c\xe5\x93\xd2\x2e\xb8\xf2\x71\xc4"
      "\x81\x81\x56\xf1\x27\x2b\x2b\x01\x49\x44\xec\x8f\x88\x03\xeb\xfb\xd1\x7b"
      "\xca\xc4\xa9\x27\xbf\x3e\xd8\xae\xd0\xcd\xe3\xef\xa0\xcd\x3a\xd3\x7a\xd4"
      "\xbe\x8a\x78\x22\xeb\xff\x5a\xb2\x14\x4d\xf1\x97\x92\xce\xeb\x93\xe3\xff"
      "\x8b\xea\xec\xe1\xf1\xf2\xac\xb8\xd1\xcf\xbf\x5c\x7c\xa3\x5d\xfd\x1b\x8a"
      "\xbf\x0b\xb2\xfe\xdf\xb1\xfa\xfc\x6f\x2e\x32\x9c\x34\xae\xd7\xce\xaf\xbf"
      "\x8e\x8b\xbf\x7f\xd6\xf6\x9e\xe6\x56\xcf\xff\x6d\xc9\x5b\x79\xbf\x6c\x2b"
      "\xf6\x7d\x30\xb5\xb0\x70\x6e\x22\x62\x5b\xf2\x5a\x9e\x5f\xb5\x7f\xf2\xfa"
      "\x67\xcb\x7c\x59\x3e\x8b\x7f\xf4\x50\xeb\xf1\xbf\xb7\xf8\x4c\x56\xcf\x03"
      "\x11\x91\x9d\xc4\x0f\x46\xc4\x43\x11\xf1\x70\xd1\xf6\x47\x22\xe2\xd1\x88"
      "\x38\xd4\x21\xfe\x1f\x5f\x7a\xec\xdd\x5b\x8f\x7f\x73\x65\xf1\xcf\xb4\xfc"
      "\xfe\x5b\x39\xff\x9b\xfa\x7f\xfd\x89\xca\xe9\x1f\xbe\x6d\x57\xff\xda\xfa"
      "\xff\x68\x9e\x1a\x2d\xf6\xe4\xdf\x7f\x37\xb1\xd6\x06\x6e\xe4\x77\x07\x00"
      "\x00\x00\xb7\x8b\x34\x7f\x07\x3e\x49\xc7\x56\xd2\x69\x3a\x36\x56\x7f\x87"
      "\x7f\x5f\xec\x48\xab\x73\xf3\x0b\x4f\x9d\x98\x7b\xff\xec\x4c\xfd\x5d\xf9"
      "\xe1\x18\x4c\xcb\x27\x5d\x43\x0d\xcf\x43\x27\x92\xa5\xe2\x27\xd6\xf3\x93"
      "\xc5\xb3\xe2\xf2\xf8\x91\xe2\xb9\xf1\x17\x95\xff\xe7\xf9\xb1\xe9\xb9\xea"
      "\x4c\x8f\x63\x87\x7e\xb7\xb3\xcd\xf8\xcf\xfc\x51\xe9\x75\xeb\x80\x4d\xd7"
      "\x85\x75\x34\xe0\x36\xd5\x3c\xfe\x3b\xbf\xb2\x01\xdc\x49\x5c\xff\xa1\x7f"
      "\x19\xff\xd0\xbf\x8c\x7f\xe8\x5f\xad\xc6\xff\x47\x4d\x79\x6b\x01\x70\x67"
      "\x72\xfd\x87\xfe\x65\xfc\x43\xff\x32\xfe\xa1\x7f\x19\xff\xd0\x97\x36\xf2"
      "\x77\xfd\x12\xfd\x9c\x88\x74\x4b\x34\x63\x93\x12\x43\x5b\xa3\x19\x3d\x4c"
      "\xf4\xfa\x9b\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa0\x3b\xfe"
      "\x0d\x00\x00\xff\xff\x36\x99\xea\xd9",
      1107));
  NONFAILING(syz_mount_image(
      /*fs=*/0x200000000280, /*dir=*/0x2000000000c0,
      /*flags=MS_POSIXACL|MS_REC|MS_SYNCHRONOUS|MS_RDONLY|MS_NOATIME|0x300*/
      0x14711, /*opts=*/0x2000000003c0, /*chdir=*/3, /*size=*/0x453,
      /*img=*/0x200000000c40));
  //  syz_mount_image$msdos arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {6d 73 64 6f 73 00} (length 0x6)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 00} (length 0x2)
  //    }
  //    flags: mount_flags = 0x1b7a434 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x0 (1 bytes)
  //    size: len = 0x0 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x0)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000180, "msdos\000", 6));
  NONFAILING(memcpy((void*)0x200000000000, ".\000", 2));
  NONFAILING(syz_mount_image(
      /*fs=*/0x200000000180, /*dir=*/0x200000000000,
      /*flags=MS_I_VERSION|MS_SHARED|MS_PRIVATE|MS_UNBINDABLE|MS_POSIXACL|MS_SYNCHRONOUS|0x120a424*/
      0x1b7a434, /*opts=*/0x2000000003c0, /*chdir=*/0, /*size=*/0,
      /*img=*/0x200000000000));
  return 0;
}