// https://syzkaller.appspot.com/bug?id=39db5889c098f50312f103309ba80b2c56b9b6e4
// 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_openat
#define __NR_openat 56
#endif
#ifndef __NR_pwrite64
#define __NR_pwrite64 68
#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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

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;
  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: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x8 (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 {
  //              user_xattr: buffer: {75 73 65 72 5f 78 61 74 74 72} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x45 (1 bytes)
  //    size: len = 0x47c (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x47c)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x20000040, "ext2\000", 5));
  NONFAILING(memcpy((void*)0x20000240, "./file0\000", 8));
  NONFAILING(memcpy((void*)0x20000500, "user_xattr", 10));
  NONFAILING(*(uint8_t*)0x2000050a = 0x2c);
  NONFAILING(*(uint8_t*)0x2000050b = 0);
  NONFAILING(memcpy(
      (void*)0x20000fc0,
      "\x78\x9c\xec\xdc\xcf\x6f\x14\x55\x1c\x00\xf0\xef\x4c\x7f\xf0\xdb\x56\xc4"
      "\x1f\x20\x60\x15\x8d\xc4\x1f\x2d\xad\x80\x1c\xbc\x68\x34\xf1\xa0\x89\x46"
      "\x0f\x10\x4f\xb5\x2d\x04\x29\xd4\xd0\x92\xd8\x86\x68\xf5\x80\x47\x43\xe2"
      "\xdd\x78\x34\xf1\x2f\xf0\xa4\x17\x13\x3d\x99\x78\xd5\xbb\x21\x21\x84\x0b"
      "\x88\x31\x59\x33\xbb\x33\xb0\xdd\xce\xd6\x02\x5b\xa6\x61\x3f\x9f\x64\xe0"
      "\xbd\x79\xb3\xfb\xde\x77\xdf\xbc\xe1\xcd\xbc\x5d\x02\xe8\x5a\x43\xd9\x1f"
      "\x49\xc4\xd6\x88\xf8\x23\x22\x06\x1a\xd9\xa5\x07\x0c\x35\xfe\xba\x7e\xf5"
      "\xfc\xc4\xdf\x57\xcf\x4f\x24\x51\xab\xbd\x77\x25\xa9\x1f\x77\xed\xea\xf9"
      "\x89\xe2\xd0\xe2\x75\x5b\x1a\x99\x5a\x2d\xcf\x6f\x28\xa9\xf7\xc2\x07\x11"
      "\xe3\xd3\xd3\x53\x67\xf3\xfc\xc8\xdc\xe9\x8f\x47\x66\xe7\x17\x5e\x3c\x79"
      "\x7a\xfc\xc4\xd4\x89\xa9\x33\x63\x47\x8e\x1c\x7c\x69\x4f\xff\xe1\xb1\x43"
      "\x1d\x89\x33\x8b\xeb\xda\xae\x4f\x67\x76\xef\x7c\xf3\xd8\xc5\xb7\x27\x8e"
      "\x5e\xfc\xf0\x97\xef\xb3\xf6\x6e\xcd\xcb\x9b\xe3\xe8\x94\xa1\xc6\xa7\x5b"
      "\xea\x99\x4e\x57\x56\xb1\x6d\x4d\xe9\xa4\xb7\xc2\x86\x70\x5b\xfe\x8d\x88"
      "\xac\xbb\xfa\xea\xe3\x7f\x20\x7a\x62\xd3\xcd\xb2\x81\x78\xe3\x8b\x4a\x1b"
      "\x07\xac\xa9\x5a\xad\x56\xdb\x70\xa5\x6d\xf1\x62\x0d\xb8\x8f\x25\x51\x75"
      "\x0b\x80\x6a\x14\xff\xd0\x67\xf7\xbf\xc5\x76\xaf\xe6\x1e\xeb\xc1\xe5\x57"
      "\x1b\x37\x40\x59\xdc\xd7\xf3\xad\x51\xd2\x1b\x69\x44\x6c\xcc\xef\x8d\xb6"
      "\xad\x51\xfd\x43\x11\x71\x74\xf1\xc6\x37\xd9\x16\x6b\xf4\x1c\x02\x00\xa0"
      "\xd9\x8f\xd9\xfc\xe7\x85\xb2\xf9\x5f\x1a\x8f\x34\x1d\xf7\x40\xbe\x86\x32"
      "\x18\x11\x0f\x46\xc4\xf6\x88\x78\x28\x22\x76\x44\xc4\xc3\x11\xf5\x63\x1f"
      "\x8d\x88\xc7\x6e\xb3\xfe\xd6\x15\x92\xe5\xf3\x9f\xf4\xd2\x1d\x05\xb6\x4a"
      "\xd9\xfc\xef\x95\x7c\x6d\x6b\xe9\xfc\x2f\x2d\x0e\x19\xec\xc9\x73\xdb\xea"
      "\xf1\xf7\x25\xc7\x4f\x4e\x4f\x1d\xc8\x3f\x93\xfd\xd1\xb7\x21\xcb\x8f\xae"
      "\x50\xc7\x4f\xaf\xff\xfe\x55\xbb\xb2\xe6\xf9\x5f\xb6\x65\xf5\x17\x73\xc1"
      "\xbc\x1d\x97\x7a\x5b\x16\xd0\x26\xc7\xe7\xc6\xef\x26\xe6\x66\x97\x3f\x8f"
      "\xd8\xd5\x5b\x16\x7f\x12\xc5\x32\x4e\x12\x11\x3b\x23\x62\xd7\x1d\xd6\x71"
      "\xf2\xb9\xef\x76\xb7\x2b\x6b\x89\x3f\xfb\x98\x5b\xe2\x5f\x41\x07\xd6\x99"
      "\x6a\xdf\x46\x3c\xdb\xe8\xff\xc5\x68\x89\xbf\x90\xb4\x5d\x9f\x1c\x7d\xf9"
      "\xf0\xd8\xa1\x91\x8d\x31\x3d\x75\x60\xa4\x38\x2b\x96\xfb\xf5\xb7\x0b\xef"
      "\x2c\xdf\xdb\x78\xff\xff\xef\xff\xb5\x95\xf5\xff\xe6\xd2\xf3\xbf\xd1\xbe"
      "\xbe\x88\xc1\x64\x63\xc4\xec\xfc\xc2\xa9\xfa\x7a\xed\xec\x6a\xde\x75\xc9"
      "\x0a\x72\x5c\xf8\xf3\xcb\xb6\xf7\x34\xb7\xe2\xef\x8d\xdb\x39\xff\xfb\x93"
      "\xf7\xeb\xe9\xfe\x7c\xdf\x27\xe3\x73\x73\x67\x47\x23\xfa\x93\xb7\x96\xef"
      "\x1f\xbb\xf5\xda\x22\x5f\x1c\x9f\xc5\xbf\x7f\x5f\xf9\xf8\xdf\xde\x14\xcd"
      "\xe3\x11\x91\x9d\xc4\x7b\x22\x62\x6f\x44\x3c\x91\xb7\xfd\xc9\x88\x78\x2a"
      "\x22\xf6\x95\x05\x77\x23\xbf\xc9\x7e\xed\xe9\x8f\xda\xad\x04\x97\xf7\xff"
      "\xa6\x36\xab\xe6\x9d\x97\xc5\x3f\xb9\x42\xff\x67\x97\xbc\x2c\x75\xab\xff"
      "\x5b\x4f\x84\xc5\x92\xa2\xa5\x89\x9e\x53\x3f\xff\x50\x52\xf5\xb1\x7f\x56"
      "\x7d\xfd\x3b\x58\x4f\xed\xcf\xf7\xd4\xaf\x7f\xef\xae\x1c\xd7\x0a\xcd\x29"
      "\x0b\x02\x00\x00\x00\xee\x6b\x69\xfd\x3b\xf0\x49\x3a\x7c\x33\x9d\xa6\xc3"
      "\xc3\x8d\xef\xf0\xef\x88\xcd\xe9\xf4\xcc\xec\xdc\xf3\xc7\x67\xce\x9d\x99"
      "\x6c\x7c\x57\x7e\x30\xfa\xd2\xe2\x49\xd7\x40\xd3\xf3\xd0\xd1\xfc\xd9\x70"
      "\x91\x1f\x6b\xc9\x0f\xe5\xcf\x8d\xbf\xee\xd9\x54\xcf\x0f\x4f\xcc\x4c\x4f"
      "\x56\x1d\x3c\x74\xb9\x2d\x6d\xc6\x7f\xe6\xaf\x9e\xaa\x5b\x07\xac\x39\xbf"
      "\xd7\x82\xee\x65\xfc\x43\xf7\x32\xfe\xa1\x7b\x19\xff\xd0\xbd\x8c\x7f\xe8"
      "\x5e\x65\xe3\xff\xb3\x0a\xda\x01\xdc\x7b\xf5\xf1\x9f\x56\xdd\x0a\xa0\x0a"
      "\xf5\xf1\x7f\x6e\x6f\xd5\xcd\x00\x2a\xe0\xfe\x1f\xba\x97\xf1\x0f\x5d\xa9"
      "\xed\x6f\xe3\xd3\xf6\x45\x12\x12\xf3\x0b\x91\xae\x8b\x66\xac\xb7\x44\x2c"
      "\x46\x74\xee\x0d\x63\x7e\xe1\x54\xef\xaa\xff\x33\x8b\x3b\x4b\x24\x51\x5a"
      "\xb4\xf2\x75\x23\xb9\x57\x17\x28\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\xbb\xf4\x5f\x00\x00\x00\xff\xff\x64\x6e\xe4\xc7",
      1148));
  res = -1;
  NONFAILING(res = syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000240,
                                   /*flags=MS_NOEXEC*/ 8, /*opts=*/0x20000500,
                                   /*chdir=*/0x45, /*size=*/0x47c,
                                   /*img=*/0x20000fc0));
  if (res != -1)
    r[0] = res;
  //  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=*/0, /*addr=*/0ul);
  //  mprotect arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x3000 (8 bytes)
  //    prot: mmap_prot = 0x1 (8 bytes)
  //  ]
  syscall(__NR_mprotect, /*addr=*/0x20000000ul, /*len=*/0x3000ul,
          /*prot=PROT_READ*/ 1ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 65 6d 6f 72 79 2e 63 75 72 72 65 6e 74 00} (length 0xf)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x20000180, "memory.current\000", 15));
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x20000180ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[1] = res;
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (4 bytes)
  //    prot: mmap_prot = 0xa (8 bytes)
  //    flags: mmap_flags = 0x28011 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000,
          /*prot=PROT_SEM|PROT_WRITE*/ 0xaul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[1], /*offset=*/0ul);
  //  syz_mount_image$hfs arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 00} (length 0x4)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x80001 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x30c (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x30c)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x20000040, "hfs\000", 4));
  NONFAILING(memcpy((void*)0x20000000, "./file1\000", 8));
  NONFAILING(*(uint32_t*)0x20000440 = r[0]);
  NONFAILING(memcpy(
      (void*)0x20000100,
      "\x78\x9c\xec\xdd\x3f\x6f\x13\x49\x18\xc7\xf1\xdf\xac\xed\xc4\xb9\x44\x39"
      "\x5f\x92\xd3\x49\xd7\xdc\x29\x77\x91\xee\x9a\xe8\x72\x50\x20\x1a\x10\x72"
      "\x4b\x4f\x85\x80\xd8\x91\x22\xac\x20\x92\x20\x01\x0d\x26\xa2\x44\xbc\x00"
      "\x7a\xde\x02\x2f\x82\x06\xc4\x1b\x00\x1a\x2a\x3a\x9a\x74\x8b\x66\x76\x76"
      "\xbd\xb6\xc7\xeb\x18\xc5\xd9\x24\x7c\x3f\x52\xa2\xdd\xd9\x99\x9d\x67\xd8"
      "\x7f\xcf\xac\x44\x56\x00\x7e\x58\xd7\x9a\x1f\x5e\x5d\xf8\x6c\x7f\x8c\x54"
      "\x51\x45\xd2\x65\x29\x92\x54\x97\xaa\x92\x7e\xd5\x6f\xf5\x07\x3b\xfb\xdb"
      "\xfb\x9d\x76\xab\x68\x47\x15\xd7\xc2\xfe\x18\x25\x2d\xcd\x50\x9d\xcd\x9d"
      "\x76\xa8\xa9\x6d\xe7\x5a\x78\x0d\xbb\x56\xd5\x42\xbe\x0c\xd3\x11\xc7\xf1"
      "\xd5\x8f\x65\x07\x81\xd2\xb9\xab\x3f\x20\x92\x66\xfd\x75\xe8\xb6\xd7\x4f"
      "\x38\xae\xe3\xe2\x07\x37\x9b\xae\x77\xa5\x3f\x4a\x0c\xa7\x14\xf9\x03\x6c"
      "\x0e\x75\xa8\x87\x5a\x2c\x31\x1c\x00\xc0\x29\xe0\x9f\xff\x91\x7f\x4c\x2c"
      "\xb8\x22\xa3\x28\x92\xd6\xfc\x63\xff\x4c\x3f\xff\x07\x1d\x96\x1d\xc0\xf1"
      "\xba\xd8\x19\x2a\x8a\x0b\x1b\xe4\x9e\xff\x2e\xbb\x8b\x8d\x3d\xbe\x3f\xbb"
      "\x4d\xbd\xf9\x9e\x9b\xc2\xd9\xed\x51\x3a\x4b\x3c\x4a\x30\xb5\x81\xf5\x19"
      "\x25\x67\x56\x5f\x82\x69\xc2\xb3\xca\x4f\x71\xc2\xc7\x12\xcd\x6d\x6d\x57"
      "\xb5\xbe\xf9\x54\xad\x48\x07\xba\xe2\xe5\x1a\xac\xb8\xdf\xad\xe4\xd4\x4d"
      "\x8d\x89\x76\x35\x30\x37\x1d\xc5\x66\x8c\x23\xf7\x56\xd3\xf5\x9f\x92\xd1"
      "\xd8\x8c\x72\x6e\x70\x73\x1a\xd2\xd6\x76\xa7\xed\x32\xcf\x40\xfc\xcb\xa1"
      "\x4e\x27\xf9\xd7\x9e\x94\x79\x63\xde\x99\x9b\xa6\xae\x97\x6a\x65\xf9\x5f"
      "\x35\xfe\x6a\x0f\x93\x3b\x52\x8d\x81\x23\x15\xd5\x6c\xfc\xff\x8d\xde\xe3"
      "\xbc\x6b\x65\x6b\xd9\x21\x9b\x64\x9c\x51\x5f\x95\x5f\x5c\x27\xbf\xfb\x1e"
      "\xbc\x31\xa3\xac\x87\x67\x24\xf9\x7d\xa6\x2f\x08\xba\x59\x04\x81\x38\x0f"
      "\xd2\x05\xd7\xf7\x92\xfa\x5f\x2b\x24\xa3\xdb\x08\x75\x60\x7a\x3b\x5f\x0e"
      "\xb5\x6a\x64\x6b\xc3\x6d\x5d\x5f\x2b\x7d\xad\x2a\xfe\x4c\x58\xdf\xbc\xd7"
      "\x29\x7c\x95\x32\x1d\xe9\x10\xcd\x0b\x73\xc3\xac\xea\x8b\x5e\xab\x99\xcb"
      "\xff\x23\x1b\xdf\x9a\x72\x57\x66\xd1\xad\xde\xb8\x9a\xfe\xcc\x48\xc6\x33"
      "\x13\xae\x59\x75\x35\x1b\x43\x4f\x8e\x6e\xb6\xf4\x67\x16\x81\x37\x3b\xf1"
      "\xd8\x20\x4d\xf8\xb6\xec\xb9\xee\xe8\x92\x16\xf7\x1e\x3d\xbe\x5b\xe9\x74"
      "\xda\xbb\x76\xe1\x76\x60\xe1\xfe\xc2\xae\xf1\x25\xb5\x67\x52\xb0\xce\xf4"
      "\x17\x2a\x2a\xa8\xa3\x6e\xaf\xc4\x3d\x3c\x9e\xc4\xf1\x51\xf7\x1c\x4f\x33"
      "\xf8\x7f\xbf\xa3\xd5\xcc\xc8\x4d\xf6\xfe\x91\x95\xd8\xcb\x27\xd4\xdc\x5e"
      "\x65\x59\x49\x74\xd2\x87\xe9\xfc\x2d\x54\x15\xda\xd4\x7c\xab\xa2\x13\x72"
      "\xaa\x0b\x69\xea\x32\x61\xf3\x7a\x70\x93\x4d\xb4\x46\xb4\x9a\xca\x3d\x0a"
      "\xa7\xcc\x9e\x49\x0f\xba\x2f\x18\x4a\x62\x71\xce\xd9\xbc\xcb\x24\xf3\x3f"
      "\x97\xc9\xfb\xac\xce\xdd\x67\xec\xaf\x46\x41\x9e\x1e\x98\x64\x76\xfb\xd6"
      "\x72\x7b\xdc\xc8\x66\x70\xfd\xa9\xe0\x52\x28\x77\x19\x33\x37\x98\x1f\x3d"
      "\x83\xcb\xf5\xf8\xff\x88\x39\xa3\x9b\x73\xfd\xf5\x8f\xf4\x77\xae\xd0\xa8"
      "\xb0\xc7\x86\x8b\xf3\xdc\x30\x4d\xbd\xd7\x2d\xde\xff\x03\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9c\x35\x27\xf1\x3f\x16\xca\x1e"
      "\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x67\xdd\xd1\xbf\xff\x3b\xd7\xfb\x52\x53\xe8\x6f\xc4\xbb\xef\xff\x36\xc6"
      "\x7e\xff\xb7\xef\x03\xc0\xfe\x43\x51\x7c\xff\x17\x28\xc7\xb7\x00\x00\x00"
      "\xff\xff\x76\x15\x7d\x1e",
      780));
  NONFAILING(syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000000,
                             /*flags=MS_SLAVE|MS_RDONLY*/ 0x80001,
                             /*opts=*/0x20000440, /*chdir=*/1, /*size=*/0x30c,
                             /*img=*/0x20000100));
  //  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
  NONFAILING(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[2] = res;
  //  pwrite64 arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {32} (length 0x1)
  //    }
  //    count: len = 0x1 (8 bytes)
  //    pos: intptr = 0x8080c61 (8 bytes)
  //  ]
  NONFAILING(memset((void*)0x20000140, 50, 1));
  syscall(__NR_pwrite64, /*fd=*/r[2], /*buf=*/0x20000140ul, /*count=*/1ul,
          /*pos=*/0x8080c61ul);
  return 0;
}