// https://syzkaller.appspot.com/bug?id=9053b7f3bbef2f835af6e4a2cfa72af5df3f390a
// 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 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_mprotect
#define __NR_mprotect 226
#endif
#ifndef __NR_open_by_handle_at
#define __NR_open_by_handle_at 265
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_quotactl
#define __NR_quotactl 60
#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=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*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 32 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {e9 1f 71 89 59 1e 92 33 61 4b 00} (length 0xb)
  //    }
  //    flags: mount_flags = 0x3 (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 = 0xfc (1 bytes)
  //    size: len = 0x562 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x562)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x20000040, "ext2\000", 5));
  NONFAILING(memcpy((void*)0x20000140, "\351\037q\211Y\036\2223aK\000", 11));
  NONFAILING(*(uint8_t*)0x20000000 = 0);
  NONFAILING(memcpy(
      (void*)0x20000780,
      "\x78\x9c\xec\xdd\xef\x6f\x1b\x67\x1d\x00\xf0\xef\x39\x76\x9a\xb4\x81\x04"
      "\xd8\x8b\x81\xb4\x51\xb1\x49\xed\x04\xb5\x9b\x95\x6d\x11\x42\x6b\x91\x10"
      "\xef\x26\x81\x06\xaf\x4b\x94\xba\x51\x54\x27\xae\x62\x67\x6b\xa2\x09\xa5"
      "\xe2\x0f\x40\x42\x08\x26\xf1\x06\x5e\xf1\x06\x89\x3f\x00\x09\xf5\x4f\x98"
      "\x90\x26\xb1\xf7\x88\x21\x50\x05\x1d\x48\xec\x05\xec\xd0\xfd\x70\xdb\x64"
      "\xf6\xe2\x76\xb1\x5d\x39\x9f\x8f\xf4\xf8\xce\xf7\xdc\xdd\xf7\xfb\xd8\xce"
      "\x73\xe7\xbb\x73\x2e\x80\x13\xeb\x6c\x44\x5c\x89\x88\x99\x88\x78\x21\x22"
      "\x16\xcb\xe9\x95\xb2\xc4\x7e\x51\xb2\xf9\x3e\xb8\xf7\xd6\x5a\x56\x92\x48"
      "\xd3\xd7\xff\x91\x44\x52\x4e\xcb\x66\x4b\xca\x92\x39\x53\x2e\x36\x57\x0c"
      "\x0e\x9a\x2f\x06\x9d\xdd\xbd\x1b\xab\xad\x56\x73\xbb\x9c\xdc\xe8\x6e\xde"
      "\x6c\x74\x76\xf7\x2e\x6c\x6c\xae\xae\x37\xd7\x9b\x5b\x97\x2e\x2d\xbf\xbc"
      "\xf2\xca\xca\x4b\x2b\x17\x8f\xa5\x9d\x59\xbb\x5e\xfd\xf6\x5f\x7f\xfe\x93"
      "\xdf\x7c\xe7\xd5\x3f\x7c\xed\xcd\x3f\x5f\xfd\xfb\xf9\x1f\x65\xf9\x2e\x94"
      "\xf5\xbd\x76\x1c\xb7\xe2\x35\xa9\x65\xaf\xc5\x7d\xd5\x88\xd8\x1e\x45\xb0"
      "\x09\x98\x29\xdb\x53\x8b\xde\x03\x00\x00\x4f\xb2\x6c\x1f\xff\xf3\x11\xf1"
      "\x95\x7c\xff\x7f\x31\x66\xf2\xbd\xb9\xc1\x66\x1f\x1a\x4f\x46\x9e\x1d\x00"
      "\x00\x00\x70\x1c\xd2\xcb\x0b\xf1\xdf\x24\x22\x05\x00\x00\x00\xa6\x56\x25"
      "\xbf\x06\x36\xa9\xd4\xcb\x6b\x01\x16\xa2\x52\xa9\xd7\x8b\x6b\x78\x9f\x8a"
      "\xd3\x95\x56\xbb\xd3\xfd\xea\xf5\xf6\xce\xd6\xb5\xe2\x5a\xd9\xa5\xa8\x55"
      "\xae\x6f\xb4\x9a\x17\xcb\x6b\x6a\x97\xa2\x96\x64\xcf\x97\xef\x1f\x51\x28"
      "\x9e\xbf\x98\xd7\x65\x25\x39\x70\x0d\xf0\xcf\x16\xe7\xf3\xfa\xfa\x5a\xbb"
      "\x75\x6d\x12\x07\x3c\x00\x00\x00\xe0\x04\x3a\x73\xe8\xfb\xff\xbf\x17\x8b"
      "\xef\xff\x00\x00\x00\xc0\x94\x59\x2a\x87\xa7\x27\x9c\x07\x00\x00\x00\x30"
      "\x3a\x4b\x93\x4e\x00\x00\x00\x00\x18\xb9\xc7\xf8\xfe\x3f\x3b\x8a\x3c\x00"
      "\x00\x00\x80\x91\xf8\xee\x6b\xaf\x65\x25\xed\xdd\xff\xfa\xda\x1b\xbb\x3b"
      "\x37\xda\x6f\x5c\xb8\xd6\xec\xdc\xa8\x6f\xee\xac\xd5\xd7\xda\xdb\x37\xeb"
      "\xeb\xed\xf6\x7a\x2b\x3d\x15\xb1\x79\xd4\xfa\x5a\xed\xf6\xcd\xaf\xc7\xd6"
      "\xce\xad\x46\xb7\xd9\xe9\x36\x3a\xbb\x7b\x57\x37\xdb\x3b\x5b\xdd\xab\x1b"
      "\x07\x6e\x81\x0d\x00\x00\x00\x8c\xd1\xe7\xbe\x7c\xe7\xbd\x24\x22\xf6\xbf"
      "\x31\x9f\x97\xe8\x9d\xdb\x9f\x19\xb0\x80\xdf\x0a\xc0\xd4\xa8\x0c\x39\x5f"
      "\x9a\x3d\xbc\x3f\xda\x5c\x80\xf1\x1a\xb4\x99\x07\xa6\x5f\xf5\x93\xab\x5d"
      "\xe6\x0b\x53\xac\x56\x0c\x92\x49\xe7\x01\x4c\xce\x51\x1d\xc0\xdc\xa0\x39"
      "\xde\x19\x45\x36\x00\x00\xc0\x28\x9c\xfb\xe2\x9d\xf7\xd2\xe4\xe3\xe7\xff"
      "\xab\x0f\x8e\x0d\x00\x53\x6a\xd8\xf3\xff\xc0\xf4\x19\x70\xfe\x3f\x5d\x1c"
      "\x77\x22\xc0\xd8\x1d\x71\xfe\x1f\x98\x62\x35\x57\x00\xc2\x89\x77\xf4\xf9"
      "\xff\x01\xde\xc9\xab\xae\x1c\x1d\x21\x4d\x8f\x5c\x17\x00\x00\x30\x52\x0b"
      "\x79\x49\x2a\xf5\xf2\x5c\xe0\x42\x54\x3e\x4c\x0b\xb1\x14\xb5\xe4\xfa\x46"
      "\xab\x79\x31\x22\x3e\x1b\x11\x7f\x5a\xac\x9d\xca\x9e\x2f\xe7\x4b\x26\x7e"
      "\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x43\x4a\xd3\x24\xd2\xc7\x50\x7d\xac\xa5\x00\x00\x00\x80\x49"
      "\x88\xa8\xfc\x2d\x29\xef\xff\x75\x6e\xf1\xf9\x85\xc3\xc7\x07\x66\x93\x0f"
      "\xf3\x5b\x01\x7f\x94\xa6\xe9\x9b\xbf\x7c\xfd\x17\xb7\x56\xbb\xdd\xed\xe5"
      "\x6c\xfa\x3f\xf3\xe9\xb3\x11\xd1\x7d\xbb\x9c\xfe\xe2\x24\x8e\x60\x00\x00"
      "\x00\x00\x3d\xbd\xbb\xfc\x17\xdf\xd3\x6b\x13\xce\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\x80\x69\xf5\xc1\xbd"
      "\xb7\xd6\x7a\x65\x9c\x71\xef\x7e\x2b\x22\x96\xfa\xc5\xaf\xc6\x5c\x3e\x9c"
      "\x8b\x5a\x44\x9c\xfe\x57\x12\xd5\x87\x96\x4b\x22\x62\xe6\x18\xe2\xef\xdf"
      "\x8e\x88\xa7\xfb\xc5\x4f\xb2\xb4\x62\xa9\xcc\xe2\x70\xfc\x4a\x44\xcc\xe7"
      "\x59\x8c\x3c\xfe\x33\x69\x9a\xf6\x8d\x7f\xe6\x53\x47\x87\x93\xed\x4e\xd6"
      "\xff\x5c\xe9\xf7\xf7\x57\x89\xb3\xf9\xb0\xff\xdf\x7f\xb5\x28\x97\x3f\x6d"
      "\xfc\xc1\xfd\x5f\xe5\x7e\xff\x37\x73\x38\x7e\xb5\xe8\xff\x3e\x33\x64\x8c"
      "\x2f\xbd\xfb\xbb\xc6\x43\x4f\x7f\xf0\x60\xf4\x54\x51\x5f\xed\xdf\xff\xf4"
      "\xe2\x27\x03\xfa\xdf\xe7\xfa\x05\xab\x7e\x7c\xd2\x0f\xbf\xbf\xb7\x37\x28"
      "\xb7\xf4\xd7\x11\xe7\xfa\x6e\x7f\x92\x03\xb1\x1a\xdd\xcd\x9b\x8d\xce\xee"
      "\xde\x85\x8d\xcd\xd5\xf5\xe6\x7a\x73\xeb\xd2\xa5\xe5\x97\x57\x5e\x59\x79"
      "\x69\xe5\x62\xe3\xfa\x46\xab\x59\x3e\xf6\x8d\xf1\xd3\x67\x7e\xff\xd1\xa0"
      "\xf8\x77\xcf\x46\x9c\x2e\xe3\xcf\xf6\x72\x2a\x37\x2c\x4b\xc5\xe0\x9b\x49"
      "\x9f\x6e\x3e\x9b\xf4\x7c\x36\x52\x1b\xb4\xe6\x07\xfe\xf7\xee\xad\x7b\x5f"
      "\x28\x46\x6b\x87\x56\x11\x77\x6f\x47\x9c\x7f\xae\xff\xfb\xff\x74\x3e\xec"
      "\xfb\xfa\xff\xea\x3f\x69\x2e\xdf\x0e\x64\xf5\xe7\xca\x6d\x42\xb2\x5f\x8c"
      "\x47\x94\x1f\xdf\x88\x78\xf6\xb7\x7f\x7c\x76\x60\xfb\x6f\xcf\x95\x63\x8f"
      "\xfe\xfe\x9f\x3f\xba\xe9\xb9\x17\xbe\xf7\xe3\xbf\x0c\x39\x2b\x00\x30\x06"
      "\x9d\xdd\xbd\x1b\xab\xad\x56\x73\x7b\xe4\x23\x6f\xa7\x69\x3a\xdc\xcc\xd9"
      "\x5e\xe9\xf0\x6b\x4e\x22\xf6\x0f\x57\x65\x3b\x70\xc7\xdc\x8a\xf9\x88\x18"
      "\x50\x75\x30\xd6\x7c\xf9\xaa\xc6\xb0\x6b\x7e\x6a\x60\xaa\xef\xcf\x47\x8c"
      "\xe9\xdd\x79\xd4\x91\xcb\x8f\x32\x73\x7a\xea\x91\x3e\x6c\xc9\xfe\x13\xd0"
      "\xc0\x13\x3c\x32\x9b\x7f\x20\x27\xdd\x33\x01\x00\x00\xc7\xed\xc1\xde\xff"
      "\xa4\x33\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80"
      "\x93\x6b\x1c\xff\x57\xec\x70\xcc\xfd\xc9\x34\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x13"
      "\xfd\x3f\x00\x00\xff\xff\xbf\x68\xd2\x77",
      1378));
  NONFAILING(syz_mount_image(
      /*fs=*/0x20000040, /*dir=*/0x20000140, /*flags=MS_RDONLY|MS_NOSUID*/ 3,
      /*opts=*/0x20000000, /*chdir=*/0xfc, /*size=*/0x562, /*img=*/0x20000780));
  //  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*)0x20000180, "/dev/loop", 9));
  NONFAILING(*(uint8_t*)0x20000189 = 0x30);
  NONFAILING(*(uint8_t*)0x2000018a = 0);
  syscall(__NR_quotactl, /*cmd=Q_QUOTAON_GRP*/ 0xffffffff80000201ul,
          /*special=*/0x20000180ul, /*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=*/0x20000000ul, /*len=*/0x3000ul,
          /*prot=PROT_SEM|PROT_READ*/ 9ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {68 75 67 65 74 6c 62 2e 31 47 42 2e 75 73 61 67 65 5f 69 6e
  //      5f 62 79 74 65 73 00} (length 0x1b)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x20000180, "hugetlb.1GB.usage_in_bytes\000", 27));
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x20000180ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (8 bytes)
  //    prot: mmap_prot = 0xa (8 bytes)
  //    flags: mmap_flags = 0x28011 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul,
          /*prot=PROT_SEM|PROT_WRITE*/ 0xaul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[0], /*offset=*/0ul);
  //  syz_mount_image$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 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x2000050 (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 {
  //              nodiscard: buffer: {6e 6f 64 69 73 63 61 72 64} (length 0x9)
  //            }
  //            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 {
  //              init_itable: buffer: {69 6e 69 74 5f 69 74 61 62 6c 65}
  //              (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 {
  //              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 {
  //              sysvgroups: buffer: {73 79 73 76 67 72 6f 75 70 73} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              delalloc: buffer: {64 65 6c 61 6c 6c 6f 63} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              quota: buffer: {71 75 6f 74 61} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x10 (1 bytes)
  //    size: len = 0x4e0 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x4e0)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x20000000, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x20000140, "./file1\000", 8));
  NONFAILING(memcpy((void*)0x20000340, "errors=remount-ro", 17));
  NONFAILING(*(uint8_t*)0x20000351 = 0x2c);
  NONFAILING(memcpy((void*)0x20000352, "nodiscard", 9));
  NONFAILING(*(uint8_t*)0x2000035b = 0x2c);
  NONFAILING(memcpy((void*)0x2000035c, "noquota", 7));
  NONFAILING(*(uint8_t*)0x20000363 = 0x2c);
  NONFAILING(memcpy((void*)0x20000364, "init_itable", 11));
  NONFAILING(*(uint8_t*)0x2000036f = 0x2c);
  NONFAILING(memcpy((void*)0x20000370, "jqfmt=vfsv0", 11));
  NONFAILING(*(uint8_t*)0x2000037b = 0x2c);
  NONFAILING(memcpy((void*)0x2000037c, "resgid", 6));
  NONFAILING(*(uint8_t*)0x20000382 = 0x3d);
  NONFAILING(sprintf((char*)0x20000383, "0x%016llx", (long long)0));
  NONFAILING(*(uint8_t*)0x20000395 = 0x2c);
  NONFAILING(memcpy((void*)0x20000396, "sysvgroups", 10));
  NONFAILING(*(uint8_t*)0x200003a0 = 0x2c);
  NONFAILING(memcpy((void*)0x200003a1, "delalloc", 8));
  NONFAILING(*(uint8_t*)0x200003a9 = 0x2c);
  NONFAILING(memcpy((void*)0x200003aa, "quota", 5));
  NONFAILING(*(uint8_t*)0x200003af = 0x2c);
  NONFAILING(*(uint8_t*)0x200003b0 = 0);
  NONFAILING(memcpy(
      (void*)0x20000400,
      "\x78\x9c\xec\xdd\xdf\x6b\x1c\x5b\x1d\x00\xf0\xef\x4c\xb2\xb7\xbf\x72\x4d"
      "\xae\xfa\x70\xbd\xe0\xbd\x17\x6f\x25\x2d\xda\xdd\xa4\xb1\x6d\xf0\xa1\x56"
      "\x10\xfb\x54\xb0\xd6\xf7\x1a\x93\x4d\x08\xd9\x64\x43\x76\xd3\x36\xa1\x48"
      "\x8a\xef\x0a\x22\x2a\xf8\xe4\x93\x2f\x82\x7f\x80\x20\xfd\x13\x44\x28\xe8"
      "\xbb\x54\x51\x44\x5b\x7d\xf0\x41\x5d\xd9\xd9\xd9\xda\xc6\xdd\x6c\x4a\xb7"
      "\x3b\x25\xf9\x7c\x60\x3a\x67\xe6\x6c\xe6\xfb\x3d\x0d\x39\x33\x67\xe6\xb0"
      "\x13\xc0\xb1\xf5\x61\x44\x5c\x8b\x88\xb1\x88\x38\x1f\x11\x93\xf9\xfe\x34"
      "\x5f\xae\xb7\xeb\x6f\x76\x3e\xf7\xf4\xc9\xfd\xc5\xf6\x92\x44\xab\x75\xeb"
      "\xaf\x49\x24\xf9\xbe\xee\xb1\x92\x7c\x7d\x26\x22\xf6\x22\xe2\x64\x44\x7c"
      "\xfd\x7a\xc4\xb7\x92\xff\x8f\xdb\xd8\xd9\x5d\x5b\xa8\xd5\xaa\x5b\xf9\x76"
      "\xa5\xb9\xbe\x59\x69\xec\xec\x5e\x58\x5d\x5f\x58\xa9\xae\x54\x37\xe6\xe6"
      "\x66\x2f\xcf\x5f\x99\xbf\x34\x3f\x33\x94\x76\x4e\x45\xc4\xd5\xaf\xfc\xf1"
      "\x87\xdf\xfb\xd9\x57\xaf\xfe\xea\xf3\x77\x7f\x7f\xfb\xcf\xe7\xbe\xdd\x4e"
      "\x6b\x22\xaf\x7f\xbe\x1d\x03\xf5\x68\xcf\xc1\x1f\x2d\x65\xff\x17\x5d\xe3"
      "\x11\xb1\x75\xf8\x43\xbc\xd1\xc6\xf2\x75\xa9\x4f\xfd\x77\xc7\x46\x98\x0c"
      "\x00\x00\x03\xb5\xaf\xf1\x3f\x1e\x11\x9f\xc9\xae\xff\x27\x63\x2c\xbb\x3a"
      "\x05\x00\x00\x00\x8e\x92\xd6\x97\x26\xe2\x5f\x49\x44\x0b\x00\x00\x00\x38"
      "\xb2\xd2\x6c\x0e\x6c\x92\x96\xf3\xb9\x00\x13\x91\xa6\xe5\x72\x67\x0e\xef"
      "\x27\xe3\x74\x5a\xab\x37\x9a\x9f\x5b\xae\x6f\x6f\x2c\x75\xe6\xca\x4e\x45"
      "\x29\x5d\x5e\xad\x55\x67\xf2\xb9\xc2\x53\x51\x4a\xda\xdb\xb3\xf9\x1c\xdb"
      "\xee\xf6\xc5\x7d\xdb\x73\x11\xf1\x4e\x44\xfc\x60\xf2\x54\xb6\x5d\x5e\xac"
      "\xd7\x96\x8a\xbe\xf9\x01\x00\x00\x00\xc7\xc4\x99\x7d\xe3\xff\x7f\x4c\x66"
      "\xe3\xff\x13\x45\xe7\x05\x00\x00\x00\x0c\xd9\x54\xd1\x09\x00\x00\x00\x00"
      "\xaf\x9d\xf1\x3f\x00\x00\x00\x1c\x7d\xc6\xff\x00\x00\x00\x70\xa4\x7d\xed"
      "\xc6\x8d\xf6\xd2\xea\xbe\xff\x7a\xe9\xce\xce\xf6\x5a\xfd\xce\x85\xa5\x6a"
      "\x63\xad\xbc\xbe\xbd\x58\x5e\xac\x6f\x6d\x96\x57\xea\xf5\x95\xec\x3b\xfb"
      "\xd6\x07\x1d\xaf\x56\xaf\x6f\x7e\x21\x36\xb6\xef\x55\x9a\xd5\x46\xb3\xd2"
      "\xd8\xd9\xbd\xbd\x5e\xdf\xde\x68\xde\x5e\x7d\xe1\x15\xd8\x00\x00\x00\xc0"
      "\x08\xbd\xf3\xc1\xc3\xdf\x25\x11\xb1\xf7\xc5\x53\xd9\xd2\xf6\x56\xd1\x49"
      "\x01\x23\x91\x0c\xa8\xcf\x5e\x12\xf2\x38\xdf\xf8\xc3\x08\x12\x02\x46\x66"
      "\xac\xe8\x04\x80\xc2\x8c\x17\x9d\x00\x50\x98\x52\xd1\x09\x00\x85\x1b\x74"
      "\x1f\xa0\xef\xe4\x9d\x5f\x0f\x3f\x17\x00\x00\xe0\xf5\x98\xfe\x54\xff\xe7"
      "\xff\xee\x0d\xc0\xd1\x96\x16\x9d\x00\x00\x30\x72\x9e\xff\xc3\xf1\x55\x7a"
      "\x71\x06\xe0\xa5\xe2\x32\x01\x8a\xf2\xb1\x01\xf5\xaf\xfe\xfc\xbf\xd5\x7a"
      "\xa9\x84\x00\x00\x80\xa1\x9b\xc8\x96\x24\x2d\xe7\xcf\x02\x27\x22\x4d\xcb"
      "\xe5\x88\xb7\xb3\xd7\x02\x94\x92\xe5\xd5\x5a\x75\x26\x1f\x1f\xfc\x76\xb2"
      "\x74\xa2\xbd\x3d\x9b\xfd\x64\x32\x70\xce\x30\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd0\xd1\x6a\x25\xd1\x02"
      "\x00\x00\x00\x8e\xb4\x88\xf4\x4f\x49\xf6\x6d\xfe\x11\xd3\x93\x67\x27\xf6"
      "\xdf\x1f\x78\x2b\xf9\xe7\x64\xb6\x8e\x88\xbb\x3f\xb9\xf5\xa3\x7b\x0b\xcd"
      "\xe6\xd6\x6c\x7b\xff\xdf\x9e\xed\x6f\xfe\x38\xdf\x7f\xb1\x88\x3b\x18\x00"
      "\x00\x00\xc0\x7e\xdd\x71\x7a\x77\x1c\x0f\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc3\xf4\xf4\xc9\xfd\xc5\xee"
      "\x32\xca\xb8\x7f\xf9\x72\x44\x4c\xf5\x8c\xff\xc1\xc9\x6c\x75\x32\x4a\x11"
      "\x71\xfa\xef\x49\x8c\x3f\xf7\x73\x49\x44\x8c\x0d\x21\xfe\xde\x83\x88\x78"
      "\xb7\x57\xfc\xa4\x9d\x56\x4c\x45\x27\x8b\x5e\xf1\x4f\x15\x18\x3f\x8d\x88"
      "\x33\x43\x88\x0f\xc7\xd9\xc3\x76\xff\x73\xad\xd7\xdf\x5f\x1a\x1f\x66\xeb"
      "\xde\x7f\x7f\xe3\xf9\xf2\xaa\xfa\xf7\x7f\x69\x74\xfb\xbf\xb1\x3e\xfd\xcf"
      "\xdb\x87\x8c\xf1\xde\xa3\x5f\x54\xfa\xc6\x7f\x10\xf1\xde\x78\xef\xfe\xa7"
      "\x1b\x3f\xe9\x13\xff\xa3\x43\xc6\xff\xe6\x37\x76\x77\xfb\xd5\xb5\x7e\x1a"
      "\x31\xdd\xf3\xfc\x93\xbc\x10\xab\xd2\x5c\xdf\xac\x34\x76\x76\x2f\xac\xae"
      "\x2f\xac\x54\x57\xaa\x1b\x73\x73\xb3\x97\xe7\xaf\xcc\x5f\x9a\x9f\xa9\x2c"
      "\xaf\xd6\xaa\xf9\xbf\x3d\x63\x7c\xff\xd3\xbf\xfc\xcf\x41\xed\x3f\xdd\x27"
      "\xfe\xd4\x80\xf6\x9f\x3d\x64\xfb\xff\xfd\xe8\xde\x93\x4f\x74\x8a\xa5\x5e"
      "\xf1\xcf\x7d\xd4\xfb\xfc\xfb\x6e\x9f\xf8\x69\x7e\xee\xfb\x6c\x5e\x6e\xd7"
      "\x4f\x77\xcb\x7b\x9d\xf2\xf3\xde\xff\xf9\x6f\xde\x3f\xa8\xfd\x4b\x7d\xda"
      "\xff\xec\xf7\xdf\xe3\x44\xdb\x8e\x79\xee\x90\xed\x3f\x7f\xf3\x3b\x8f\x0f"
      "\xf9\x51\x00\x60\x04\x1a\x3b\xbb\x6b\x0b\xb5\x5a\x75\xeb\x95\x0a\xc3\x3a"
      "\xce\x4b\x16\xd2\x28\x20\xa8\xc2\x6b\x2a\x9c\x78\x33\xd2\x50\xe8\x14\x0e"
      "\xea\x35\x92\xd1\x75\x50\x00\x00\xc0\xd0\xfc\xef\xa2\xbf\xe8\x4c\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xf8\x1a\xc5\xd7"
      "\x89\xed\x8f\xb9\x57\x4c\x53\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0e\xf4\xdf\x00\x00\x00"
      "\xff\xff\xed\x4f\xd8\xa5",
      1248));
  NONFAILING(syz_mount_image(
      /*fs=*/0x20000000, /*dir=*/0x20000140,
      /*flags=MS_LAZYTIME|MS_SYNCHRONOUS|MS_MANDLOCK*/ 0x2000050,
      /*opts=*/0x20000340, /*chdir=*/0x10, /*size=*/0x4e0, /*img=*/0x20000400));
  //  syz_mount_image$vfat arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {76 66 61 74 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 00} (length 0xfd)
  //    }
  //    flags: mount_flags = 0x200010 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {64 65 62 75 67 2c 75 74 66 38 3d 31 2c 75 74 66
  //          38 3d 30 2c 75 74 66 38 3d 31 2c 73 68 6f 72 74 6e 61 6d 65 3d 77
  //          69 6e 39 35 2c 63 68 65 63 6b 3d 73 74 72 69 63 74 2c 73 68 6f 72
  //          74 6e 61 6d 65 3d 77 69 6e 6e 74 2c 73 68 6f 72 74 6e 61 6d 65 3d
  //          6c 6f 77 65 72 2c 00 2b c0 8d 8c ca 74 e8 ec af b4 84 37 09 4f e1
  //          a4 a2 38 3b d9 d8 5b ff 65 1d 11 01 fd 72 2e 01 b9 b5 d2 2f 08 b5
  //          fc 0a c7 cb f3 3f b5 53 a9 0a e4 d0 1d 71 dd ee b0 89 f5 17 ae aa
  //          a2 71 89 92 87 d5 b8 94 9b 22 b2 3c 28 07 b7 d8 17 14 b8 9e 96 82
  //          f6 c3 fa a6 10 77 33 a7 7a 4c f9 85 56 0e d6 4e c2 4e 25 5d ee 36
  //          54 aa 2b a5 5b e4 bf 3a e2 57 ad ba 34 be d8 e3 2e 41 22 bb 46 aa
  //          57 a7 5d ab 02 88 09 8e 42 f8 86 f0 9b df 63 53 7d b2 8a 45 4b 02
  //          a4 20 4a 7e 7d ac 3c 30 a6 d4 b5 c8 14 91 6b 02} (length 0xfc)
  //        }
  //        union ANYUNION {
  //          ANYRES8: ANYRES8 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESHEX: ANYRES64 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x27c (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x27c)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x20000040, "vfat\000", 5));
  NONFAILING(
      memcpy((void*)0x20000080,
             "./"
             "file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
             "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
             "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
             "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
             253));
  NONFAILING(memcpy(
      (void*)0x200004c0,
      "\x64\x65\x62\x75\x67\x2c\x75\x74\x66\x38\x3d\x31\x2c\x75\x74\x66\x38\x3d"
      "\x30\x2c\x75\x74\x66\x38\x3d\x31\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65"
      "\x3d\x77\x69\x6e\x39\x35\x2c\x63\x68\x65\x63\x6b\x3d\x73\x74\x72\x69\x63"
      "\x74\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65\x3d\x77\x69\x6e\x6e\x74\x2c"
      "\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65\x3d\x6c\x6f\x77\x65\x72\x2c\x00\x2b"
      "\xc0\x8d\x8c\xca\x74\xe8\xec\xaf\xb4\x84\x37\x09\x4f\xe1\xa4\xa2\x38\x3b"
      "\xd9\xd8\x5b\xff\x65\x1d\x11\x01\xfd\x72\x2e\x01\xb9\xb5\xd2\x2f\x08\xb5"
      "\xfc\x0a\xc7\xcb\xf3\x3f\xb5\x53\xa9\x0a\xe4\xd0\x1d\x71\xdd\xee\xb0\x89"
      "\xf5\x17\xae\xaa\xa2\x71\x89\x92\x87\xd5\xb8\x94\x9b\x22\xb2\x3c\x28\x07"
      "\xb7\xd8\x17\x14\xb8\x9e\x96\x82\xf6\xc3\xfa\xa6\x10\x77\x33\xa7\x7a\x4c"
      "\xf9\x85\x56\x0e\xd6\x4e\xc2\x4e\x25\x5d\xee\x36\x54\xaa\x2b\xa5\x5b\xe4"
      "\xbf\x3a\xe2\x57\xad\xba\x34\xbe\xd8\xe3\x2e\x41\x22\xbb\x46\xaa\x57\xa7"
      "\x5d\xab\x02\x88\x09\x8e\x42\xf8\x86\xf0\x9b\xdf\x63\x53\x7d\xb2\x8a\x45"
      "\x4b\x02\xa4\x20\x4a\x7e\x7d\xac\x3c\x30\xa6\xd4\xb5\xc8\x14\x91\x6b"
      "\x02",
      252));
  NONFAILING(*(uint8_t*)0x200005bc = 0);
  NONFAILING(sprintf((char*)0x200005bd, "0x%016llx", (long long)-1));
  NONFAILING(memcpy(
      (void*)0x20000600,
      "\x78\x9c\xec\xda\xcf\x6b\x23\x65\x18\x07\xf0\x67\xba\xab\x4d\x76\xe9\xa6"
      "\xe2\x2f\x76\x41\x7c\xd1\x83\x7a\x19\xb6\x3d\x7b\xd8\x45\x2a\x88\x05\x45"
      "\xad\xb0\x0a\xb2\xb3\x36\x75\x63\xc7\xa4\x74\x42\x21\x22\xb6\x27\xbd\xfa"
      "\x27\x78\x16\x8f\xde\x04\xd9\xa3\x97\x5e\xfc\x0b\x3c\x78\xdb\x4b\x8f\x7b"
      "\x10\x23\xd3\xa4\x35\x5b\x8a\xd6\x45\xd3\x52\x3e\x9f\x43\xf2\x30\x33\xdf"
      "\x99\x77\xde\x49\x5e\x9e\x40\x2e\xbc\xfa\xcd\x67\xeb\x6b\x55\xbe\x56\xf4"
      "\x63\x26\xcb\x62\xe6\x46\xec\xc4\x83\x2c\xe6\x63\x26\x0e\xec\xc4\x2b\x2f"
      "\xdd\xfa\xf9\xb9\x77\x6f\x7d\xf0\xe6\xcd\xe5\xe5\xc6\x78\xeb\x62\x4a\xe9"
      "\xca\xf3\x3f\x7d\xf8\xc5\xf7\x2f\xdc\xeb\x5f\x7e\xff\x87\x2b\x3f\xce\xc6"
      "\xee\xfc\x47\xf7\xf7\x16\x7f\xdb\x7d\x66\xf7\xea\xfd\x3f\xde\xbb\xdb\xa9"
      "\x52\xa7\x4a\xdd\x5e\xbf\x3e\x57\xaf\xd7\x2f\xee\x94\xed\xb4\xda\xa9\xd6"
      "\xf3\x94\xde\x2e\xdb\x45\xd5\x4e\x9d\x6e\xd5\xde\xec\xa7\x22\xdd\x39\xd8"
      "\xbf\x56\xf6\x36\x36\x06\xa9\xe8\xae\xce\x5d\xda\xd8\x6c\x57\x55\x2a\xba"
      "\x83\xb4\xde\x1e\xa4\x7e\x2f\xf5\x37\x07\xa9\xf8\xa4\xe8\x74\x53\x9e\xe7"
      "\x69\xee\x52\xb0\xef\xee\xa3\xc5\x56\xbe\x7b\x30\x1c\xc6\xde\xf0\xb1\xdb"
      "\x31\x1c\x0e\x9b\xdf\xc6\xe5\x7b\x31\xf7\x6b\xb4\x22\x7b\x22\x65\x4f\xde"
      "\xc8\x9e\xbe\x9d\x3d\xbb\x93\x5d\xdd\x1b\x0e\x5b\x47\xa3\xcd\xff\x60\xd4"
      "\x9c\xba\x47\x7e\xfe\x9c\x0b\xe3\x45\x7d\xe9\x9d\x94\x1a\x11\xe5\xd7\x5b"
      "\x2b\x5b\x2b\xa3\xf7\x7a\x6f\x23\x6e\xae\x45\x27\xca\x68\xc7\xf5\x68\xc6"
      "\xef\x51\x7f\x4c\xc6\x46\xf5\xeb\x6f\x2c\x2f\x5d\x4f\xfb\xe6\xe3\xab\x72"
      "\x7b\x9c\xdf\xde\x5a\xb9\x10\x11\xb3\xf5\x49\x46\xf9\x85\x68\xc5\xfc\xf1"
      "\xf9\x85\x51\x3e\x1d\xe4\xeb\x54\xfd\x5a\xaf\xee\x87\xd7\x5f\x8c\x56\x3c"
      "\x75\x7c\x7e\xf1\x48\x7e\x74\xfd\x46\xbc\xfc\xe2\x44\x3e\x8f\x56\xfc\xf2"
      "\x71\xf4\xa2\x8c\xd5\xa8\xb3\xb1\x3d\x9e\x82\xa5\x2f\x17\x52\x7a\xed\xad"
      "\xe5\x23\xf9\x6b\xfb\xc7\x01\x00\x9c\x37\x79\x3a\x54\xf7\x6f\x75\xd3\x36"
      "\xd1\xbf\x45\xe4\xf9\x43\xfb\x27\xfa\xa3\x51\x7e\xa2\x3f\x6c\x4d\xf4\x87"
      "\x8f\x1f\xd3\x1f\x1e\xe9\xaf\x2e\xc6\xb5\x8b\xa7\x7b\xef\x44\x54\x83\xcf"
      "\xd7\x8b\xb2\x6c\x6f\xd6\x3f\xf0\xf6\x8b\xc3\x2d\x27\x28\x66\xc7\x67\xf9"
      "\x77\xa9\x33\x5e\x34\x27\xa7\xe5\x6f\x8b\x88\x6c\x72\x2e\xff\xbf\x81\xcd"
      "\x3c\xf4\xcc\xa6\x3c\x2d\x17\x4f\x38\x1b\x53\x2f\x9a\x67\x73\x60\xd9\xf9"
      "\xf8\x3a\x44\x7c\x3a\xcd\x85\x88\x53\xf1\xd7\x43\xff\xc7\x43\x1b\x53\x19"
      "\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x27\x32\x8d\xbf\x13\x9e\xf6\x3d"
      "\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x67\xdb\x9f\x01\x00\x00"
      "\xff\xff\x87\x21\xb4\x77",
      636));
  NONFAILING(syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000080,
                             /*flags=MS_SYNCHRONOUS|MS_RELATIME*/ 0x200010,
                             /*opts=*/0x200004c0, /*chdir=*/1, /*size=*/0x27c,
                             /*img=*/0x20000600));
  //  open_by_handle_at arguments: [
  //    mountdirfd: fd (resource)
  //    handle: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {20 00 00 00 02 00 00 00} (length 0x8)
  //        }
  //      }
  //    }
  //    flags: open_flags = 0x40000 (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000c0, "\x20\x00\x00\x00\x02\x00\x00\x00", 8));
  syscall(__NR_open_by_handle_at, /*mountdirfd=*/0xffffff9c,
          /*handle=*/0x200000c0ul, /*flags=O_NOATIME*/ 0x40000ul);
  return 0;
}