// https://syzkaller.appspot.com/bug?id=c6df36580be23cc63665fb67389d6c301e8bdb02
// 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 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, loopfd = -1, 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) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    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) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  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*)0x200001c0, "/dev/loop#\000", 11);
  res = -1;
  res = syz_open_dev(/*dev=*/0x200001c0, /*id=*/0, /*flags=*/0x4801);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000080 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x127d, /*arg=*/0x20000080ul);
  memcpy((void*)0x20000040, "ext4\000", 5);
  memcpy((void*)0x20000000, "./file1\000", 8);
  memcpy((void*)0x20000140, "nolazytime", 10);
  *(uint8_t*)0x2000014a = 0x2c;
  memcpy((void*)0x2000014b, "resuid", 6);
  *(uint8_t*)0x20000151 = 0x3d;
  sprintf((char*)0x20000152, "0x%016llx", (long long)0xee00);
  *(uint8_t*)0x20000164 = 0x2c;
  memcpy((void*)0x20000165, "inode_readahead_blks", 20);
  *(uint8_t*)0x20000179 = 0x3d;
  sprintf((char*)0x2000017a, "0x%016llx", (long long)2);
  *(uint8_t*)0x2000018c = 0x2c;
  memcpy((void*)0x2000018d, "acl", 3);
  *(uint8_t*)0x20000190 = 0x2c;
  memcpy((void*)0x20000191, "commit", 6);
  *(uint8_t*)0x20000197 = 0x3d;
  sprintf((char*)0x20000198, "0x%016llx", (long long)5);
  *(uint8_t*)0x200001aa = 0x2c;
  memcpy((void*)0x200001ab, "jqfmt=vfsold", 12);
  *(uint8_t*)0x200001b7 = 0x2c;
  memcpy((void*)0x200001b8, "nodiscard", 9);
  *(uint8_t*)0x200001c1 = 0x2c;
  memcpy((void*)0x200001c2, "errors=continue", 15);
  *(uint8_t*)0x200001d1 = 0x2c;
  memcpy((void*)0x200001d2, "usrquota", 8);
  *(uint8_t*)0x200001da = 0x2c;
  *(uint8_t*)0x200001db = 0;
  memcpy(
      (void*)0x20000540,
      "\x78\x9c\xec\xdd\xcd\x6b\x1c\x7d\x1d\x00\xf0\xef\x4c\xb2\x35\x69\xa3\x49"
      "\xad\x07\x2d\xb6\x8a\xad\xa4\x45\xbb\x9b\x34\xb6\x0d\x1e\x6a\x05\xb5\xa7"
      "\x82\x5a\xef\x35\x26\x9b\x10\xb2\xc9\x86\xec\xa6\x6d\x42\x91\x14\xff\x00"
      "\x51\xc4\x17\x3c\x79\xf2\x22\xe8\x5d\x90\xfe\x09\x22\x14\xf4\x2e\x2a\x8a"
      "\x68\xab\x82\x87\xe7\x79\xf6\x61\x76\x27\x69\x9a\x6c\x9a\x7d\xda\x4d\xb6"
      "\x24\x9f\x0f\x4c\xf6\xf7\x32\x33\xdf\xef\x2f\xcb\xce\xce\x1b\xb3\x01\x1c"
      "\x5b\x9f\x8e\x88\x5b\x11\xd1\x17\x11\x97\x23\xe2\x5c\xde\x9e\xe6\xd3\xed"
      "\xac\xb2\xd1\x9a\xef\xf9\xb3\x47\xd3\xd9\x94\x44\xa3\x71\xf7\x5f\xc9\x56"
      "\xdb\xce\x75\x9e\xca\xfe\xf4\x47\x44\x25\xe2\x9b\xb7\x23\xbe\x93\xbc\xd4"
      "\x9d\xad\x36\x6a\x6b\xeb\x0b\x53\x95\x4a\x79\x25\x6f\x2c\xd5\x17\x97\x4b"
      "\xb5\xb5\xf5\x2b\xf3\x8b\x53\x73\xe5\xb9\xf2\xd2\xc4\xc4\xf8\xf5\xc9\x1b"
      "\x93\xd7\x26\xc7\xba\x32\xce\x2c\xa7\x9b\x5f\xf9\xdb\x8f\xbf\xff\xcb\xaf"
      "\xdd\xfc\xdd\xe7\x1f\xfc\xf9\xde\x3f\x2e\x7d\xb7\x99\x56\x9e\x5b\xbb\x71"
      "\x74\x43\x6b\xf5\x85\x18\xd8\xd6\x96\xfd\x6b\x56\x0e\x22\x58\x0f\xf4\xe5"
      "\xaf\x85\x1e\xe7\x01\x00\x40\x67\xce\x44\xc4\x47\x23\xe2\x33\xcd\xfd\xff"
      "\xe1\xe8\x6b\xee\x9d\x6e\x1a\xe8\x61\x66\x00\x00\x00\x40\xb7\x34\xbe\x34"
      "\x14\xef\x24\x11\x0d\x00\x00\x00\xe0\xc8\x4a\x23\x62\x28\x92\xb4\x98\xdf"
      "\x98\x3b\x14\x69\x5a\x2c\xb6\xee\x97\xfd\x58\x9c\x4c\x2b\xd5\x5a\xfd\x73"
      "\xb3\xd5\xd5\xa5\x99\xac\x2f\x62\x24\x0a\xe9\xec\x7c\xa5\x3c\x16\x11\xc3"
      "\xad\x7a\x92\xd5\xc7\x9b\xe5\x17\xf5\xab\x3b\xea\x13\x11\x71\x3a\x22\x7e"
      "\x34\x3c\xd8\xac\x17\xa7\xab\x95\x99\x5e\x9f\xfc\x00\x00\x00\x80\x63\xe2"
      "\xd4\x8e\xe3\xff\xff\x0e\xcf\x47\x76\xfc\x0f\x00\x00\x00\x1c\x31\x23\xbd"
      "\x4e\x00\x00\x00\x00\x38\x70\x1e\xf3\x07\x00\x00\x00\x47\x9f\xeb\xff\x00"
      "\x00\x00\x70\xa4\x7d\xfd\xce\x9d\x6c\x6a\x6c\xfe\xfe\xf5\xcc\xfd\xb5\xd5"
      "\x85\xea\xfd\x2b\x33\xe5\xda\x42\x71\x71\x75\xba\x38\x5d\x5d\x59\x2e\xce"
      "\x55\xab\x73\xcd\x67\xf6\x2d\xee\xb7\xbe\x4a\xb5\xba\xfc\x85\x58\x5a\x7d"
      "\x58\xaa\x97\x6b\xf5\x52\x6d\x6d\xfd\xde\x62\x75\x75\xa9\x7e\x6f\xde\x5d"
      "\x06\x00\x00\x00\xd0\x2b\xa7\x3f\xf5\xe4\x4f\x49\x44\x6c\x7c\x71\xb0\x39"
      "\x65\x92\x5e\x27\x05\xbc\x7d\xfe\xda\xeb\x04\x80\x6e\xea\xeb\x75\x02\x40"
      "\xcf\xf4\x1f\xca\x22\xc0\xdb\xa8\xd0\xeb\x04\x80\x9e\xdb\xef\x9c\xdf\x9e"
      "\x37\xef\xfc\xbe\xfb\xb9\x00\x00\x00\x07\x63\xf4\x13\xbb\xaf\xff\x9f\xc8"
      "\xfb\x9c\x1b\x80\xa3\x2d\x7d\xfd\x45\x7f\xd6\xcd\x3c\x00\x80\xc3\xe3\x62"
      "\x3e\x1c\x5f\x05\x77\x00\xc2\xb1\xf7\x91\x7d\xfa\xdf\xfc\xfa\x7f\xa3\xb1"
      "\xbb\x6d\xb0\xd3\x85\x01\x00\x80\x2e\x18\x6a\x4e\x49\x5a\xcc\xaf\x05\x0e"
      "\x45\x9a\x16\x8b\x11\x1f\x6e\xfe\x2c\x40\x21\x99\x9d\xaf\x94\xc7\xf2\xe3"
      "\x83\x3f\x0e\x17\x3e\x94\xd5\xc7\x9b\x4b\x26\x9e\x13\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1d\x6a\x34"
      "\x92\x68\x00\x00\x00\x00\x47\x5a\x44\xfa\xf7\xa4\xf9\x34\xff\x88\xd1\xe1"
      "\x8b\x43\x3b\xcf\x0f\x9c\x48\xfe\x3f\xdc\x7c\x8d\x88\x07\x3f\xbf\xfb\x93"
      "\x87\x53\xf5\xfa\xca\x78\xd6\xfe\xef\xad\xf6\xfa\x4f\xf3\xf6\xab\xbd\x38"
      "\x83\x01\x00\x00\x00\xec\xb4\x79\x9c\xbe\x79\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\xdd\xf4\xfc\xd9"
      "\xa3\xe9\xcd\xe9\x30\xe3\xfe\xf3\xcb\x11\x31\xd2\x2e\x7e\x7f\x0c\x34\x5f"
      "\x07\xa2\x10\x11\x27\xff\x93\x44\xff\xb6\xe5\x92\x88\xe8\xeb\x42\xfc\x8d"
      "\xc7\xcd\x50\x6d\xe2\x27\x59\x5a\x31\x92\x67\xd1\x2e\xfe\x60\xb7\xe2\x7f"
      "\xf2\x83\xc7\x4f\x23\xe2\x54\x17\xe2\xc3\x71\xf6\x24\xdb\xfe\xdc\xda\xfd"
      "\xf9\xfb\xea\xd6\x1c\xed\x3f\x7f\xfd\xf9\xf4\xa6\x76\x6e\xff\x92\x88\x8d"
      "\x56\x4f\xba\xb5\xfd\xeb\xdb\x1d\xff\xc5\x6c\x1d\x38\xfb\xf4\xd7\xa5\x3d"
      "\xe3\x3f\x8e\x38\xbb\xc7\xf6\x6f\x33\x7e\xb2\xc7\xf6\xef\x42\x87\xf1\xbf"
      "\xfd\xad\xf5\xf5\xbd\xfa\x1a\xbf\x88\x18\x6d\xfb\xfd\x93\xbc\x14\xab\x54"
      "\x5f\x5c\x2e\xd5\xd6\xd6\xaf\xcc\x2f\x4e\xcd\x95\xe7\xca\x4b\x13\x13\xe3"
      "\xd7\x27\x6f\x4c\x5e\x9b\x1c\x2b\xcd\xce\x57\xca\xf9\xdf\xb6\x31\x7e\x78"
      "\xee\xb7\xef\xbd\x6a\xfc\x27\xf7\x88\x3f\xb2\x6b\xfc\x3f\x78\x29\xa7\x8b"
      "\x1d\x8e\xff\xdd\xa7\x0f\x9f\x9d\x69\x15\x0b\xed\xe2\x5f\xba\xd0\xfe\xfb"
      "\xf7\xe3\xbb\xe2\xb7\xa4\xf9\x77\xdf\x67\xf3\x72\xd6\x3f\xba\x59\xde\x68"
      "\x95\xb7\x3b\xff\xab\x3f\x9c\x7f\xd5\xf8\x67\xf6\x18\xff\x7e\xef\xff\xa5"
      "\x0e\xc7\x7f\xf9\x1b\xdf\xfb\x4b\xc4\x89\x0e\xe7\x06\x00\x0e\x5a\x6d\x6d"
      "\x7d\x61\xaa\x52\x29\xaf\x74\xb3\x90\xad\x78\x5b\xcb\xc0\xfe\x4b\x35\xe2"
      "\xcd\xa3\xa7\xb1\xdf\x3c\xd9\xde\x57\x77\x47\xaa\xf0\x1a\x85\xdf\xfc\x2f"
      "\xba\xf0\x76\x1f\xa7\x42\x92\xef\x71\x1f\x66\xd0\x5e\x6f\x99\x00\x00\x80"
      "\x6e\x7b\xb1\xd3\xdf\xeb\x4c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\xe0\xf8\x3a\x8c\xc7\x89\xed\x8c\xd9\xf9\x93\xab\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\xcf\xfb\x01\x00\x00\xff\xff\x64\x8c\xcc\xe3",
      1257);
  syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000000, /*flags=*/0x204102,
                  /*opts=*/0x20000140, /*chdir=*/3, /*size=*/0x4ee,
                  /*img=*/0x20000540);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}