// https://syzkaller.appspot.com/bug?id=91822e3c907d6f153c79d131ce1787dc1870d7c2
// 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_getegid
#define __NR_getegid 177
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_setxattr
#define __NR_setxattr 5
#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;
}

//% 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;
  res = syscall(__NR_getegid);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x200002c0, "ext4\000", 5);
  memcpy((void*)0x20000080, "./file1\000", 8);
  *(uint64_t*)0x20000300 = r[0];
  *(uint8_t*)0x20000308 = -1;
  sprintf((char*)0x20000309, "%020llu", (long long)r[0]);
  *(uint32_t*)0x2000031d = r[0];
  *(uint16_t*)0x20000321 = r[0];
  memcpy(
      (void*)0x20000880,
      "\x78\x9c\xec\xdd\xcf\x6f\x23\x57\x1d\x00\xf0\xef\x8c\xe3\x6d\x76\x37\xc5"
      "\x2e\x20\x04\x95\x68\x2b\x5a\x94\xad\x60\xed\xa4\xa1\x6d\x84\x10\x94\x0b"
      "\x9c\x2a\x01\xe5\x1e\x42\xe2\x44\x51\xec\x38\x8a\x9d\xb2\x89\x2a\x48\xc5"
      "\x7f\x80\x90\x40\xe2\xc4\x89\x0b\x12\x7f\x00\x52\xd5\x03\x7f\x00\xaa\x54"
      "\x09\x2e\x88\x03\x02\x04\x42\xb0\x85\x03\x12\xd0\x41\xb6\xc7\xbb\x59\xc7"
      "\x4e\x02\x9b\xc4\xd9\xf8\xf3\x91\x5e\xfc\xde\xcc\x78\xbe\xef\x8d\xe5\xe7"
      "\xf9\xf1\x32\x13\xc0\xc4\x7a\x26\x22\x5e\x89\x88\x42\x44\x3c\x1f\x11\xa5"
      "\x7c\x7a\x9a\xa7\xa5\x4e\xe1\xa0\xb7\xdc\x7b\x77\xdf\x58\xe9\xa4\x24\xb2"
      "\xec\xb5\xbf\x26\x91\xe4\xd3\xfa\xeb\xea\x94\xa7\x22\xe2\x66\xef\x2d\x31"
      "\x1d\x11\x5f\xfb\x72\xc4\x37\x93\xa3\x71\x5b\x7b\xfb\x9b\xcb\xf5\x7a\x6d"
      "\x27\x2f\x57\xdb\x8d\xed\x6a\x6b\x6f\xff\xf6\x46\x63\x79\xbd\xb6\x5e\xdb"
      "\x5a\x58\x98\x7f\x69\xf1\xe5\xc5\x17\x17\xe7\xb2\xdc\x43\xb5\xb3\xdc\xcf"
      "\xfc\xe4\x4b\x9f\x7f\xeb\xd3\xdf\xfa\xdd\xd2\x9f\x6f\x7d\xbb\x53\xad\xcf"
      "\x7d\x24\x8a\x31\xd0\x8e\xb3\xd4\x6b\x7a\xb1\xbb\x2d\xfa\x3a\xdb\x68\xe7"
      "\x3c\x82\x8d\x41\x21\x6f\x4f\x71\xdc\x15\x01\x00\xe0\x54\x3a\xfb\xf8\x1f"
      "\x8c\x88\x4f\x74\xf7\xff\x4b\x51\xe8\xee\xcd\x0d\x28\x8c\xa3\x66\x00\x00"
      "\x00\xc0\x59\xc9\xbe\x30\x13\xff\x4e\x22\x32\x00\x00\x00\xe0\xca\x4a\x23"
      "\x62\x26\x92\xb4\x92\x8f\x05\x98\x89\x34\xbd\x96\x9f\x1b\xf8\x70\xdc\x48"
      "\xeb\xcd\x56\xfb\x53\x6b\xcd\xdd\xad\xd5\xce\xbc\x88\x72\x14\xd3\xb5\x8d"
      "\x7a\x6d\x2e\x1f\x2b\x5c\x8e\x62\xd2\x29\xcf\xe7\x63\x6c\xfb\xe5\x17\x06"
      "\xca\x0b\x11\xf1\x44\x44\x7c\xbf\x74\xbd\x5b\xae\xac\x34\xeb\xab\x63\x3e"
      "\xf7\x01\x00\x00\x00\x93\xe2\xe6\xc0\xf1\xff\x3f\x4a\x69\x37\x7f\xb2\x21"
      "\xff\x27\x00\x00\x00\x00\x5c\x5e\xe5\x91\x05\x00\x00\x00\xe0\xaa\x70\xc8"
      "\x0f\x00\x00\x00\x57\xdf\xe0\xf1\xff\x5b\x63\xaa\x07\x00\x00\x00\x70\x2e"
      "\xbe\xf2\xea\xab\x9d\x94\xf5\x9f\x7f\xbd\xfa\xfa\xde\xee\x66\xf3\xf5\xdb"
      "\xab\xb5\xd6\x66\xa5\xb1\xbb\x52\x59\x69\xee\x6c\x57\xd6\x9b\xcd\xf5\xee"
      "\x3d\xfb\x1a\x27\xad\xaf\xde\x6c\x6e\x7f\x26\xb6\x76\xef\x54\xdb\xb5\x56"
      "\xbb\xda\xda\xdb\x5f\x6a\x34\x77\xb7\xda\x4b\x1b\x0f\x3c\x02\x1b\x00\x00"
      "\x00\xb8\x40\x4f\x3c\xfd\xf6\xaf\x93\x88\x38\xf8\xec\xf5\x6e\x8a\xfc\x3e"
      "\x80\x00\x0f\xf8\xc3\xb8\x2b\x00\x9c\xa5\xc2\xb8\x2b\x00\x8c\x8d\xbb\x78"
      "\xc3\xe4\x2a\x8e\xbb\x02\xc0\xd8\x25\x27\xcc\x37\x78\x07\x00\x00\x1e\x7d"
      "\xb3\x1f\x3b\x7a\xfd\xbf\xff\xfc\x7f\xe7\x06\xe0\x6a\x33\xd6\x07\x00\x26"
      "\x8f\xeb\xff\x30\xb9\x8a\x46\x00\xc2\x44\x4b\x23\xe2\x03\xbd\xec\x63\xa3"
      "\x96\x19\x79\xfd\xff\x97\xa7\x8d\x92\x65\x11\xef\x94\x0e\x4f\x71\x7e\x11"
      "\x00\x00\x2e\xd6\x4c\x37\x25\x69\x25\x3f\x0e\x98\x89\x34\xad\x54\x22\x1e"
      "\x8f\x48\xcb\x51\x4c\xd6\x36\xea\xb5\xb9\xfc\xf8\xe0\x57\xa5\xe2\x63\x9d"
      "\xf2\x7c\xf7\x9d\xc9\x89\x63\x86\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x9e\x2c\x4b\x22\x03\x00\x00\x00"
      "\xae\xb4\x88\xf4\x4f\x49\xf7\x6e\xfe\x11\xb3\xa5\xe7\x66\x06\xcf\x0f\x5c"
      "\x4b\xfe\x59\x8a\x3f\xe6\x85\x1f\xbd\xf6\x83\x3b\xcb\xed\xf6\xce\x7c\x67"
      "\xfa\xdf\xba\xcf\xf2\xba\x16\x11\xed\x1f\xe6\xd3\x5f\x18\xf9\xf8\x30\x00"
      "\x00\x00\xe0\xac\x25\x07\x23\x67\xf5\x8e\xd3\xf3\xd7\xf9\x0b\xad\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"
      "\x13\xe0\xbd\xbb\x6f\xac\xf4\xd3\x45\xc6\xfd\xcb\x17\x23\xa2\x3c\x2c\xfe"
      "\x54\x4c\x77\x5f\xa7\xa3\x18\x11\x37\xfe\x9e\xc4\xd4\xa1\xf7\x25\x11\x51"
      "\x38\x83\xf8\x07\x6f\x46\xc4\x47\x87\xc5\x4f\xe2\xfd\x2c\xcb\xca\x79\x2d"
      "\x86\xc5\xbf\x7e\xce\xf1\xcb\xdd\x4d\x33\x3c\x7e\x1a\x11\x37\xcf\x20\x3e"
      "\x4c\xb2\xb7\x3b\xfd\xcf\x2b\xc3\xbe\x7f\x69\x3c\xd3\x7d\x1d\xfe\xfd\x9b"
      "\xca\xd3\xc3\x1a\xdd\xff\xa5\xf7\xfa\xbf\xc2\x88\xfe\xe7\xf1\x23\x6b\x6b"
      "\x0c\x8d\xf1\xe4\xbb\x3f\xab\x8e\x8c\xff\x66\xc4\x93\x53\xc3\xfb\x9f\x7e"
      "\xfc\x64\x44\xfc\x67\x8f\xac\xed\x5f\x59\x96\x1d\x8d\xf1\x8d\xaf\xef\xef"
      "\x8f\x8a\x9f\xfd\x38\x62\x76\xe8\xef\x4f\xf2\x40\xac\x6a\xbb\xb1\x5d\x6d"
      "\xed\xed\xdf\xde\x68\x2c\xaf\xd7\xd6\x6b\x5b\x0b\x0b\xf3\x2f\x2d\xbe\xbc"
      "\xf8\xe2\xe2\x5c\x75\x6d\xa3\x5e\xcb\xff\x0e\x8d\xf1\xbd\x8f\xff\xfc\xfd"
      "\xe3\xda\x7f\x63\x48\xfc\xdf\xfe\xa6\xd7\xff\x1e\xd7\xfe\xe7\x46\xad\x74"
      "\xc0\x7f\xde\xbd\x73\xf7\x43\xbd\x6c\x71\x58\xfc\x5b\xcf\x0e\xfd\xfd\x9d"
      "\x8e\x11\xf1\xd3\xfc\xb7\xef\x93\x79\xbe\x33\x7f\xb6\x9f\x3f\xe8\xe5\x0f"
      "\x7b\xea\xa7\xef\x3c\x75\x5c\xfb\x57\x47\x6c\xff\x93\x3e\xff\x5b\xa7\x6c"
      "\xff\xf3\x5f\xfd\xee\xef\x4f\xb9\x28\x00\x70\x01\x5a\x7b\xfb\x9b\xcb\xf5"
      "\x7a\x6d\xe7\x98\xcc\xf4\x29\x96\x79\x14\x33\xbf\x98\xbe\x14\xd5\xf8\x1f"
      "\x33\xd9\x77\x7a\x9f\xdc\x65\xa9\xcf\xff\x9b\xe9\xec\xad\xde\x9f\xd2\x6f"
      "\xd5\x25\xa8\xd8\xa1\x4c\x76\x31\xb1\x9e\x8e\xcd\x42\x5c\x92\x26\xdf\xcb"
      "\x8c\xb5\x5b\x02\x00\x00\xce\xc1\xfd\x9d\xfe\x71\xd7\x04\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x26\xd7\x45\xdc\x4e\x6c\x30"
      "\xe6\xc1\x78\x9a\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xac\xff\x06\x00\x00\xff\xff\xb9"
      "\xa7\xdf\x07",
      1299);
  syz_mount_image(/*fs=*/0x200002c0, /*dir=*/0x20000080, /*flags=*/0x3000010,
                  /*opts=*/0x20000300, /*chdir=*/1, /*size=*/0x513,
                  /*img=*/0x20000880);
  memcpy((void*)0x20000300, "./file0\000", 8);
  memcpy((void*)0x20000400, "trusted.overlay.upper\000", 22);
  syscall(__NR_setxattr, /*path=*/0x20000300ul, /*name=*/0x20000400ul,
          /*val=*/0ul, /*size=*/0ul, /*flags=*/0ul);
  memcpy((void*)0x200002c0, "./file0\000", 8);
  memcpy((void*)0x20000340, "user.incfs.size\000", 16);
  *(uint64_t*)0x20000380 = 0;
  syscall(__NR_setxattr, /*path=*/0x200002c0ul, /*name=*/0x20000340ul,
          /*val=*/0x20000380ul, /*size=*/0xffedul, /*flags=*/0ul);
}
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);
  loop();
  return 0;
}