// https://syzkaller.appspot.com/bug?id=73a4263f057243fb32c83d1f55ba7d69a58286f6
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

//% 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");
  }
  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;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000000, "hfsplus\000", 8);
  memcpy((void*)0x20000100, "./file0\000", 8);
  memcpy((void*)0x20000240, "gid", 3);
  *(uint8_t*)0x20000243 = 0x3d;
  sprintf((char*)0x20000244, "0x%016llx", (long long)0);
  *(uint8_t*)0x20000256 = 0x2c;
  memcpy((void*)0x20000257, "gid", 3);
  *(uint8_t*)0x2000025a = 0x3d;
  sprintf((char*)0x2000025b, "0x%016llx", (long long)0xee00);
  *(uint8_t*)0x2000026d = 0x2c;
  memcpy((void*)0x2000026e, "nls", 3);
  *(uint8_t*)0x20000271 = 0x3d;
  memcpy((void*)0x20000272, "cp862", 5);
  *(uint8_t*)0x20000277 = 0x2c;
  memcpy((void*)0x20000278, "nodecompose", 11);
  *(uint8_t*)0x20000283 = 0x2c;
  memcpy((void*)0x20000284, "umask", 5);
  *(uint8_t*)0x20000289 = 0x3d;
  sprintf((char*)0x2000028a, "%023llo", (long long)2);
  *(uint8_t*)0x200002a1 = 0x2c;
  memcpy((void*)0x200002a2, "umask", 5);
  *(uint8_t*)0x200002a7 = 0x3d;
  sprintf((char*)0x200002a8, "%023llo", (long long)4);
  *(uint8_t*)0x200002bf = 0x2c;
  *(uint8_t*)0x200002c0 = 0;
  memcpy(
      (void*)0x200009c0,
      "\x78\x9c\xec\xdd\xcd\x6b\x1c\xe7\x1d\x07\xf0\xef\xac\x56\x6b\xc9\x0d\xae"
      "\x92\xd8\x89\x29\x81\x0a\x1b\xd2\x82\xa8\xad\x17\x94\x56\xbd\xd4\x2d\xa5"
      "\xe8\x10\x4a\x48\x0f\x3d\x0b\x5b\x8e\x85\xd7\x72\x90\x94\xa2\x84\x52\xd4"
      "\xf7\x53\xa1\x87\xfc\x01\x69\x41\xb7\x9e\x0a\xbd\xbb\xb8\xe7\xf4\x96\xab"
      "\x8e\x81\x42\x2f\xa1\x07\xdf\x5c\x66\x76\xd6\x5a\x49\x2b\x47\xd6\xdb\x4a"
      "\xed\xe7\x63\x66\x9f\x67\xf6\x79\xe6\x99\xdf\xfc\x76\x5e\x76\x76\x2d\x36"
      "\xc0\xff\xad\xf9\x89\x34\x1f\xa5\xc8\xfc\xc4\xdb\xeb\xe5\xfc\xd6\xe6\x4c"
      "\x7b\x6b\x73\xe6\x42\xdd\xdc\x4e\x52\xd6\x1b\x49\xb3\x53\xa4\x58\x4e\x8a"
      "\xc7\xc9\xad\xb2\xbd\xe8\x99\xd2\x53\xee\xf1\xf1\xd2\xdc\xbb\x9f\x7d\xb1"
      "\xf5\x79\x67\xae\x59\x4f\x55\xff\xc6\xf3\x96\x3b\x98\x8d\x7a\xca\x78\x92"
      "\xa1\xba\xdc\x6b\xf8\x50\xe3\xdd\x4e\xf2\xd2\x9e\x2e\xad\x83\x8e\xb5\xa3"
      "\x63\x99\xb4\xeb\x75\x09\x03\xf7\x74\x8f\x8d\x17\x59\xfc\x88\xc7\x2d\x30"
      "\x48\xdd\xab\x53\xd1\xb9\x6e\xee\x31\x96\x5c\x4c\x32\x52\xbf\x0f\x48\x7d"
      "\x76\x68\x9c\x5e\x84\x27\xe3\x85\xce\x72\x00\x00\x00\x70\x4e\x7d\xfa\x70"
      "\xd0\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\xf9\x53\xff\xfe\x7f\x51"
      "\x4f\x8d\xba\xcc\x78\x8a\xee\xef\xff\xb7\xba\xcf\xd5\xf5\x73\xed\xd1\xa0"
      "\x03\x00\x00\x00\x00\x00\x00\x00\x80\x63\xf0\xf5\x27\x79\x92\xf5\x5c\xea"
      "\xce\x3f\x2d\xaa\xef\xfc\xaf\x55\x33\x97\xab\xc7\xaf\xe4\x83\xac\x66\x31"
      "\x2b\xb9\x91\xf5\x2c\x64\x2d\x6b\x59\xc9\x54\x92\xb1\x9e\x81\x5a\xeb\x0b"
      "\x6b\x6b\x2b\x53\x07\x58\x72\xba\xef\x92\xd3\xa7\xb3\xbd\x00\x00\x00\x00"
      "\x00\x00\x00\xf0\x3f\xea\x57\x99\xdf\xfe\xfe\x1f\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xce\x82\x22\x19\xea\x14\xd5\x74\xb9\x5b\x1f\x4b\xa3"
      "\x99\x4e\x5b\xab\xec\xb7\x91\xfc\xb3\x5b\x3f\x27\x8a\x7e\x4f\x3e\x3a\xfd"
      "\x38\x00\x00\x00\xe0\x48\x46\x0e\xb1\xcc\x57\x9f\xe4\x49\xd6\x73\xa9\x3b"
      "\xff\xb4\xa8\xee\xf9\x5f\xab\xee\x97\x47\xf2\x41\x96\xb3\x96\xa5\xac\xa5"
      "\x9d\xc5\xdc\xa9\xef\xa1\xcb\xbb\xfe\xc6\xd6\xe6\x4c\x7b\x6b\x73\xe6\x41"
      "\x39\xed\x1d\xf7\xfb\xff\x7e\xa1\x30\xaa\x11\xeb\xcf\x17\xfa\xaf\xf9\x6a"
      "\xd5\x63\x34\x77\xb3\x54\x3d\x73\x23\xb7\xab\x60\xee\xa4\x51\x2d\x59\xba"
      "\xda\x8d\xa7\x7f\x5c\xbf\x2c\x63\x2a\xbe\x57\x3b\x60\x64\xcd\xba\x2c\x57"
      "\xf6\xc7\xfd\x3e\x45\x18\x88\xb1\x3a\xb8\x6e\x46\x26\xeb\xd8\xca\x6c\xbc"
      "\xdc\xc9\x40\x51\x7d\x50\x93\xec\xce\xc4\x97\xbe\x3a\xcd\xdd\x6b\x4a\x23"
      "\xc3\xcf\xd6\x34\x95\xc6\xb3\x4f\x7e\x2e\x9f\x40\xce\x2f\xd6\x65\xb9\x3d"
      "\xbf\x3b\x6b\x39\xef\x64\xa2\x91\x2a\x13\xd3\x3d\x7b\xdf\x6b\xcf\xcf\x44"
      "\xf2\x8d\xbf\xfd\xe5\xa7\xf7\xda\xcb\xf7\xef\xdd\x5d\x9d\x38\x3b\x9b\x74"
      "\x48\xbb\xf7\x89\x99\x9e\x4c\xbc\x7e\xae\x33\xd1\x7c\xc1\xfe\x93\x55\x26"
      "\xae\x3c\x9b\x9f\xcf\x8f\xf2\x93\x4c\x64\x3c\xef\x64\x25\x4b\xf9\x59\x16"
      "\xb2\x96\xc5\x3c\xad\xdb\x17\xea\xfd\xb9\x7c\x1c\x7b\x7e\xa6\x6e\xed\x98"
      "\x7b\xe7\xcb\x22\x69\xd5\xaf\x4b\xe7\x2c\x7a\x90\x98\xc6\xf3\xc3\xaa\xb6"
      "\x90\x6b\xd5\xb2\x97\xb2\x94\x22\x0f\x73\x27\x8b\x79\xab\xfa\x37\x9d\xa9"
      "\x7c\x3b\xb3\x99\xcd\x5c\xcf\x2b\x7c\x65\xdf\xb8\xab\x6d\xab\x8e\xfa\xc6"
      "\x7e\x47\xfd\xdf\xfb\x06\x7f\xfd\x9b\x75\x65\x34\xc9\xef\xeb\x72\xd0\x3a"
      "\x97\xd4\x32\xaf\x2f\xf7\xe4\x75\xb8\xe7\x9c\x3b\x56\xb5\xf5\x3e\xb3\x9d"
      "\xa5\x57\xba\xd9\x19\xee\x3b\xf8\x61\xce\x8d\xcd\xaf\xd5\x95\x72\x1d\xbf"
      "\xae\xcb\xb3\x61\x77\x26\xa6\x7a\x32\xf1\xea\xf3\xf7\xf3\x3f\x55\xc7\xc6"
      "\x6a\x7b\xf9\xfe\xca\xbd\x85\xf7\xf7\x19\x7f\x63\xd7\xfc\x9b\x75\x59\xee"
      "\x71\xbf\x3d\xf0\x55\xa2\xff\x4b\x71\xbc\xca\xfd\xe5\x95\x8c\xd4\x67\x92"
      "\x9d\x7b\x47\xd9\xf6\xea\xb3\xb3\xcc\xce\x7c\xb5\xea\x6f\x5c\x3a\x6d\x8d"
      "\x3d\x6d\x57\xaa\xb6\xa2\xe8\x1e\xa9\x3f\xde\xf7\x48\x6d\xd5\xef\xe1\xf6"
      "\x8e\x34\x5d\xb5\xbd\xde\xb7\x6d\xa6\x6a\xbb\xda\xd3\xb6\xe3\xfd\x56\x1e"
      "\xa6\x9d\x3b\xa7\x90\x3f\x00\x8e\x68\x2c\x17\x5b\xa3\xff\x1a\xfd\x74\xf4"
      "\x93\xd1\xdf\x8c\xde\x1b\x7d\x7b\xe4\x07\x17\xbe\x73\xe1\x8d\x56\x86\xff"
      "\x31\xfc\xdd\xe6\xe4\xd0\x9b\x8d\x37\x8a\xbf\xe6\x93\xfc\x62\xfb\xfe\x1f"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x38\xbc\xd5\x0f\x3f\xba\xbf\xd0\x6e\x2f\xae\xf4\xaf"
      "\x34\xf6\x6f\x3a\xde\x4a\x51\xff\x90\xcf\x69\xac\xeb\x34\x2a\x23\x49\xce"
      "\x40\x18\x67\xb4\xd2\xfd\x11\xc1\xfe\x7d\xfe\x70\xf0\x01\x6f\x9d\x89\xcd"
      "\x39\xd7\x95\xa1\x24\xfd\x9a\x06\x7c\x62\x02\x4e\xdc\xcd\xb5\x07\xef\xdf"
      "\x5c\xfd\xf0\xa3\x6f\x2d\x3d\x58\x78\x6f\xf1\xbd\xc5\xe5\xe1\xd9\xd9\xb9"
      "\xc9\xb9\xd9\xb7\x66\x6e\xde\x5d\x6a\x2f\x4e\x76\x1e\x07\x1d\x25\x70\x12"
      "\xb6\x2f\xfa\x83\x8e\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\xa8\x7e"
      "\x7f\x18\x70\xed\xa5\xe3\xf8\xdb\x95\x96\xff\x59\x08\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c\x8b"
      "\xf9\x89\x34\x1f\xa5\xc8\xd4\xe4\x8d\xc9\x72\x7e\x6b\x73\xa6\x5d\x4e\xdd"
      "\xfa\x76\xcf\x66\x92\x46\x23\x29\x7e\x9e\x14\x8f\x93\x5b\xe9\x4c\x19\xeb"
      "\x19\xae\xc8\x9f\x1f\xf7\x5d\xcf\xc7\x4b\x73\xef\x7e\xf6\xc5\xd6\xe7\xdb"
      "\x63\x35\x3b\xfd\x93\x46\x5d\x1e\xc1\x46\x3d\x65\x3c\xc9\x50\x5d\x1e\xd7"
      "\x78\xb7\x8f\x3c\x5e\xf1\x9f\xee\x16\x96\x09\xbb\xde\x4d\x1c\x0c\xda\x7f"
      "\x03\x00\x00\xff\xff\xc7\x23\xf8\x60",
      1611);
  syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000100,
                  /*flags=MS_I_VERSION*/ 0x800000, /*opts=*/0x20000240,
                  /*chdir=*/7, /*size=*/0x64b, /*img=*/0x200009c0);
  memcpy((void*)0x200001c0, "/dev/loop#\000", 11);
  res = -1;
  res = syz_open_dev(/*dev=*/0x200001c0, /*id=*/0, /*flags=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4c09, /*arg=*/0x800ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-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=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  loop();
  return 0;
}