// https://syzkaller.appspot.com/bug?id=33303ef2c4a5a2fa19266b5a45f65555cc04aa94
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <setjmp.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/resource.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/loop.h>

#ifndef __NR_execveat
#define __NR_execveat 322
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif
#ifndef __NR_open_tree
#define __NR_open_tree 428
#endif

static unsigned long long procid;

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 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 setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  setup_binderfs();
  loop();
  exit(1);
}

uint64_t r[1] = {0xffffffffffffffff};

void loop(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000040, "ext4\000", 5);
  memcpy((void*)0x20000200, "./file1\000", 8);
  memcpy((void*)0x20000300, "user_xattr", 10);
  *(uint8_t*)0x2000030a = 0x2c;
  memcpy((void*)0x2000030b, "nombcache", 9);
  *(uint8_t*)0x20000314 = 0x2c;
  memcpy((void*)0x20000315, "dioread_lock", 12);
  *(uint8_t*)0x20000321 = 0x2c;
  memcpy((void*)0x20000322, "norecovery", 10);
  *(uint8_t*)0x2000032c = 0x2c;
  memcpy((void*)0x2000032d, "debug_want_extra_isize", 22);
  *(uint8_t*)0x20000343 = 0x3d;
  sprintf((char*)0x20000344, "0x%016llx", (long long)0x7e);
  *(uint8_t*)0x20000356 = 0x2c;
  memcpy((void*)0x20000357, "lazytime", 8);
  *(uint8_t*)0x2000035f = 0x2c;
  memcpy((void*)0x20000360, "init_itable", 11);
  *(uint8_t*)0x2000036b = 0x3d;
  sprintf((char*)0x2000036c, "0x%016llx", (long long)5);
  *(uint8_t*)0x2000037e = 0x2c;
  memcpy((void*)0x2000037f, "usrquota", 8);
  *(uint8_t*)0x20000387 = 0x2c;
  memcpy((void*)0x20000388, "errors=continue", 15);
  *(uint8_t*)0x20000397 = 0x2c;
  *(uint8_t*)0x20000398 = 0;
  memcpy(
      (void*)0x20000980,
      "\x78\x9c\xec\xdd\xdf\x6b\x5b\x55\x1c\x00\xf0\xef\x4d\x7f\xec\xa7\xae\x83"
      "\x31\xd4\x07\x29\xec\xc1\xc9\x5c\xba\xb6\xfe\x98\xe0\xc3\x7c\x14\x1d\x0e"
      "\xf4\x7d\x86\xf6\xae\x8c\xa6\xcb\x68\xd2\xb1\xd6\x81\xdb\x83\x7b\xd9\x8b"
      "\x0c\x41\xc4\x81\xf8\x07\xf8\xee\xe3\xf0\x1f\xf0\xaf\x18\xe8\x60\xc8\x28"
      "\xfa\xe0\x4b\xe5\xa6\x37\x5d\xb6\x26\x6d\x96\x65\x4b\x34\x9f\x0f\xdc\xed"
      "\x9c\xfb\xa3\xe7\x9c\x9c\x7b\x4e\xce\xc9\x49\xb8\x01\x0c\xad\xc9\xec\x9f"
      "\x42\xc4\xab\x11\xf1\x4d\x12\x71\xa8\xe9\xd8\x68\xe4\x07\x27\x37\xcf\x5b"
      "\x7f\x78\x6d\x2e\xdb\x92\xd8\xd8\xf8\xec\xcf\x24\x92\x7c\x5f\xe3\xfc\x24"
      "\xff\xff\x40\x1e\x79\x25\x22\x7e\xfd\x3a\xe2\x44\x61\x7b\xba\xd5\xd5\xb5"
      "\xc5\x52\xb9\x9c\x2e\xe7\xf1\xa9\xda\xd2\xe5\xa9\xea\xea\xda\xc9\x8b\x4b"
      "\xa5\x85\x74\x21\xbd\x34\x33\x3b\x7b\xfa\x9d\xd9\x99\xf7\xdf\x7b\xb7\x67"
      "\x65\x7d\xf3\xdc\xdf\xdf\x7f\x7a\xf7\xa3\xd3\xb7\x8e\xad\x7f\xf7\xf3\xfd"
      "\xc3\xb7\x93\x38\x13\x07\xf3\x63\xcd\xe5\x78\x06\xd7\x9b\x23\x93\x31\x99"
      "\xbf\x26\x63\x71\xe6\x89\x13\xa7\x7b\x90\xd8\x20\x49\xfa\x9d\x01\xba\x32"
      "\x92\xb7\xf3\xb1\xc8\xfa\x80\x43\x31\x92\xb7\x7a\xe0\xff\xef\xab\x88\xd8"
      "\x00\x86\x54\xa2\xfd\xc3\x90\x6a\x8c\x03\x1a\x73\xfb\x1e\xcd\x83\xff\x33"
      "\x1e\x7c\xb8\x39\x01\xda\x5e\xfe\xd1\xcd\xcf\x46\x62\x6f\x7d\x6e\xb4\x7f"
      "\x3d\x79\x6c\x66\x94\xcd\x77\x27\x7a\x90\x7e\x96\xc6\x2f\x7f\xdc\xb9\x9d"
      "\x6d\xd1\xbb\xcf\x21\x00\x76\x75\xfd\x46\x44\x9c\x1a\x1d\xdd\xde\xff\x25"
      "\x79\xff\xd7\xbd\x53\x1d\x9c\xf3\x64\x1a\xfa\x3f\x78\x71\xee\x66\xe3\x9f"
      "\xb7\x5a\x8d\x7f\x0a\x5b\xe3\x9f\x68\x31\xfe\x39\xd0\xa2\xed\x76\x63\xf7"
      "\xf6\x5f\xb8\xdf\xe2\xb2\xa4\x57\x9f\x52\x67\xe3\xbf\x0f\x5a\x8e\x7f\xb7"
      "\x16\xad\x26\x46\xf2\xd8\x4b\xf5\x31\xdf\x58\x72\xe1\x62\x39\xcd\xfa\xb6"
      "\x97\x23\xe2\x78\x8c\xed\xc9\xe2\x3b\xad\xe7\x9c\x5e\xbf\xb7\xd1\xee\x58"
      "\xf3\xf8\x2f\xdb\xb2\xf4\x1b\x63\xc1\x3c\x1f\xf7\x47\xf7\x3c\x7e\xcd\x7c"
      "\xa9\x56\x7a\x96\x32\x37\x7b\x70\x23\xe2\xb5\x96\xe3\xdf\x64\xab\xfe\x93"
      "\x16\xf5\x9f\xbd\x1e\xe7\x3a\x4c\xe3\x68\x7a\xe7\xf5\x76\xc7\x76\x2f\xff"
      "\xf3\xb5\xf1\x53\xc4\x1b\x2d\xeb\xff\xd1\x8a\x56\xb2\xf3\xfa\xe4\x54\xfd"
      "\x7e\x98\x6a\xdc\x15\xdb\xfd\x75\xf3\xe8\x6f\xed\xd2\xef\x77\xf9\xb3\xfa"
      "\xdf\xbf\x73\xf9\x27\x92\xe6\xf5\xda\xea\xd3\xa7\xf1\xe3\xde\x7f\xd2\x76"
      "\xc7\xba\xbd\xff\xc7\x93\xcf\xeb\xe1\xf1\x7c\xdf\xd5\x52\xad\xb6\x3c\x1d"
      "\x31\x9e\x7c\xb2\x7d\xff\xcc\xa3\x6b\x1b\xf1\xc6\xf9\x59\xf9\x8f\x1f\xdb"
      "\xb9\xff\x6b\x75\xff\xef\x8b\x88\x2f\x3a\x2c\xff\xcd\x23\x37\xdb\x9e\x3a"
      "\x08\xf5\x3f\xff\x54\xf5\xff\xf4\x81\x7b\x1f\x7f\xf9\x43\xbb\xf4\x3b\xab"
      "\xff\xb7\xeb\xa1\xe3\xf9\x9e\x4e\xfa\xbf\x4e\x33\xf8\x2c\xaf\x1d\x00\x00"
      "\x00\x00\x00\x00\x0c\x9a\x42\x44\x1c\x8c\xa4\x50\xdc\x0a\x17\x0a\xc5\xe2"
      "\xe6\xf7\x3b\x8e\xc4\xfe\x42\xb9\x52\xad\x9d\xb8\x50\x59\xb9\x34\x1f\xf5"
      "\xdf\xca\x4e\xc4\x58\xa1\xb1\xd2\x7d\xa8\xe9\xfb\x10\xd3\xf9\xf7\x61\x1b"
      "\xf1\x99\x27\xe2\xb3\x11\x71\x38\x22\xbe\x1d\xd9\x57\x8f\x17\xe7\x2a\xe5"
      "\xf9\x7e\x17\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x06\xc4\x81\x36\xbf\xff\xcf\xfc\x3e\xd2\xf2\x92\xf1\x17\x9b\x43\xe0"
      "\xb9\xf2\xc8\x6f\x18\x5e\xbb\xb6\xff\x5e\x3c\xe9\x09\x18\x48\xde\xff\x61"
      "\x78\x75\xd5\xfe\xf7\xf5\x3e\x1f\xc0\x8b\xe7\xfd\x1f\x86\xd4\x58\xbf\x33"
      "\x00\xf4\x93\xf7\x7f\x18\x5e\xda\x3f\x0c\x2f\xed\x1f\x86\x97\xf6\x0f\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x3d\x75\xee\xec\xd9\x6c\xdb\x58\x7f\x78\x6d\x2e\x8b\xcf\x5f\x59"
      "\x5d\x59\xac\x5c\x39\x39\x9f\x56\x17\x8b\x4b\x2b\x73\xc5\xb9\xca\xf2\xe5"
      "\xe2\x42\xa5\xb2\x50\x4e\x8b\x73\x95\xa5\xdd\xfe\x5e\xb9\x52\xb9\x3c\x3d"
      "\x13\x2b\x57\xa7\x6a\x69\xb5\x36\x55\x5d\x5d\x3b\xbf\x54\x59\xb9\x54\x3b"
      "\x7f\x71\xa9\xb4\x90\x9e\x4f\x3d\x6d\x08\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xb6\xab\xae\xae\x2d\x96\xca\xe5\x74\x59\x40"
      "\xa0\xab\xc0\xe8\x60\x64\x43\xa0\x29\x70\xab\x07\xad\xbb\xcf\x1d\x13\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x34\xf9\x37\x00\x00\xff"
      "\xff\x4b\xa7\x35\xe9",
      1373);
  syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000200,
                  /*flags=MS_RELATIME*/ 0x200000, /*opts=*/0x20000300,
                  /*chdir=*/0xfe, /*size=*/0x55d, /*img=*/0x20000980);
  memcpy((void*)0x20000100, "./file1\000", 8);
  res = syscall(
      __NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000100ul,
      /*flags=O_CREAT|O_RDWR*/ 0x42ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR*/ 0x7ful);
  if (res != -1)
    r[0] = res;
  syscall(__NR_write, /*fd=*/r[0], /*data=*/0ul, /*len=*/0x2ful);
  syscall(__NR_close, /*fd=*/r[0]);
  memset((void*)0x20000640, 0, 1);
  syscall(
      __NR_open_tree, /*dfd=*/0xffffff9c, /*filename=*/0x20000640ul,
      /*flags=OPEN_TREE_CLOEXEC|OPEN_TREE_CLONE|AT_SYMLINK_NOFOLLOW|AT_RECURSIVE|AT_NO_AUTOMOUNT|AT_EMPTY_PATH*/
      0x89901ul);
  memcpy((void*)0x20000140, "./file1\000", 8);
  syscall(__NR_execveat, /*dirfd=*/r[0], /*file=*/0x20000140ul, /*argv=*/0ul,
          /*envp=*/0ul, /*flags=*/0ul);
  memcpy((void*)0x20000100, "./file1\000", 8);
  memcpy((void*)0x200002c0, "trusted.overlay.upper\000", 22);
  syscall(__NR_lsetxattr, /*path=*/0x20000100ul, /*name=*/0x200002c0ul,
          /*val=*/0x20001100ul, /*size=*/0x381ul, /*flags=*/0ul);
}
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);
  do_sandbox_none();
  return 0;
}