// https://syzkaller.appspot.com/bug?id=397d1592985684e5782d0da8908fe7db442eb825
// 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 <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/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_memfd_create
#define __NR_memfd_create 319
#endif
#ifndef __NR_renameat2
#define __NR_renameat2 316
#endif

static unsigned long long procid;

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

static void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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, 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 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)) {
  }
}

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);
}

static void setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
  }
  write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
  write_file("/proc/sys/fs/binfmt_misc/register",
             ":syz1:M:1:\x02::./file0:POC");
}

uint64_t r[1] = {0xffffffffffffffff};

void loop(void)
{
  intptr_t res = 0;
  NONFAILING(memcpy((void*)0x20000000, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x20000500, "./file0\000", 8));
  NONFAILING(memcpy(
      (void*)0x20000540,
      "\x78\x9c\xec\xdd\x5d\x6b\x63\x69\x1d\x00\xf0\xff\x49\x93\x76\x5e\xaa\xad"
      "\xba\x17\xab\xb0\xeb\xe0\xae\x74\x16\x9d\xa4\xdd\xba\xbb\xc5\x8b\xed\x0a"
      "\xe2\xdd\x82\xb2\xde\x8f\xa5\x4d\x4b\x69\xda\x94\x26\xdd\x9d\x96\x45\x3a"
      "\xf8\x01\x04\x11\x5d\xf0\xca\x2b\x6f\x04\x3f\x80\x20\xfb\x11\x44\x58\xd0"
      "\x7b\x51\x51\x06\x9d\xd5\x8b\xbd\x50\x8f\x9c\xe4\xa4\x2f\x31\x99\x76\x66"
      "\x9a\x64\x48\x7f\x3f\x78\x72\x9e\xf3\xfa\x7f\x9e\xd3\xe4\xc9\x79\x79\xd2"
      "\x13\xc0\x95\x75\x2b\x22\xde\x8a\x88\x89\x88\x78\x25\x22\x66\xf2\xe9\x85"
      "\x3c\xc5\x51\x3b\x65\xcb\x7d\xfc\xf0\xfd\xd5\x2c\x25\x91\xa6\xef\xfc\x3d"
      "\x89\x24\x9f\x96\x2d\x96\xe4\x29\x73\x33\x5f\xed\x5a\x7b\xd0\x53\xe3\xe0"
      "\x70\x6b\xa5\x56\xab\xee\xe5\xe3\x95\xe6\xf6\x6e\xa5\x71\x70\x78\x67\x73"
      "\x7b\x65\xa3\xba\x51\xdd\x59\x5c\x5c\x78\x7d\xe9\x8d\xa5\xd7\x96\xe6\x2f"
      "\xa5\x9e\x59\xbd\xde\xfc\xe6\x5f\x7e\xf2\xc3\x5f\x7c\xeb\xcd\xdf\x7c\xf5"
      "\xbd\x3f\xde\xfd\xdb\xed\xef\x67\xe5\x9d\xce\xe7\x77\xea\x71\xd9\xda\xfb"
      "\xa4\x94\xed\x8b\x63\xc5\x88\xd8\x1b\x44\xb0\x11\x98\xc8\xeb\x53\x8a\xce"
      "\x0b\x00\x00\xcf\xb2\xec\x18\xff\xb3\x11\xf1\xa5\xd6\xf1\xff\x4c\x4c\xb4"
      "\x8e\xe6\xfa\x9b\x3c\x95\x4f\x06\x5e\x3a\x00\x00\x00\xe0\x32\xa4\xcb\xd3"
      "\xf1\xef\x24\x22\x05\x00\x00\x00\xc6\x56\xa1\xd5\x07\x36\x29\x94\xf3\xbe"
      "\x00\xd3\x51\x28\x94\xcb\xed\x3e\xbc\xcf\xc5\x8d\x42\xad\xde\x68\x7e\x65"
      "\xbd\xbe\xbf\xb3\xd6\xee\x2b\x3b\x1b\xa5\xc2\xfa\x66\xad\x3a\x9f\xf7\xa9"
      "\x9d\x8d\x52\x92\x8d\x2f\xb4\xf2\x27\xe3\xaf\x1e\x8f\x27\x67\xfa\x00\xff"
      "\x78\xe6\x7a\x6b\x7e\x79\xb5\x5e\x5b\x1b\xdd\x65\x0f\x00\x00\x00\xb8\x52"
      "\x6e\x76\x9d\xff\xff\x6b\xa6\x7d\xfe\x0f\x00\x00\x00\x8c\x99\xd9\x51\x17"
      "\x00\x00\x00\x00\x18\x38\xe7\xff\x00\x00\x00\x30\xfe\x9e\xe0\xfc\x7f\x72"
      "\x10\xe5\x00\x00\x00\x00\x06\xe2\xdb\x6f\xbf\x9d\xa5\xb4\xf3\xfc\xeb\xb5"
      "\x77\x0f\xf6\xb7\xea\xef\xde\x59\xab\x36\xb6\xca\xdb\xfb\xab\xe5\xd5\xfa"
      "\xde\x6e\x79\xa3\x5e\xdf\xa8\xa5\x53\x11\xdb\xe7\x6d\xaf\x56\xaf\xef\x7e"
      "\x2d\x76\xf6\xef\x55\x9a\xd5\x46\xb3\xd2\x38\x38\xbc\xbb\x5d\xdf\xdf\x69"
      "\xde\xdd\x3c\xf3\x08\x6c\x00\x00\x00\x60\x88\x3e\xf3\xc5\x0f\xff\x90\x44"
      "\xc4\xd1\xd7\xaf\xb7\x52\x74\xee\xed\x4f\xf4\x59\xc1\x6f\x05\x60\x6c\x14"
      "\x2e\xb8\x5c\x9a\xbd\xfc\x79\xb0\x65\x01\x86\xab\xdf\xd7\x3c\x30\xfe\x8a"
      "\x8f\x9e\xad\x9b\x2f\x8c\xb1\x52\x7b\x90\x8c\xba\x1c\xc0\xe8\x9c\xd7\x00"
      "\xf4\xed\xbc\xf3\xdb\xcb\x2f\x0b\x00\x00\x30\x18\x73\x9f\xef\x7d\xff\xbf"
      "\x78\x72\x6d\x00\x18\x53\x17\xbd\xff\x0f\x8c\x9f\x3e\xf7\xff\xd3\x99\x61"
      "\x17\x04\x18\xba\x73\xee\xff\x03\x63\xac\xa4\x07\x20\x5c\x79\x83\xbf\xff"
      "\x9f\xa6\xe7\x6e\x0b\x00\x00\x18\xa8\xe9\x56\x4a\x0a\xe5\xfc\x5e\xe0\x74"
      "\x14\x3e\x49\xdb\x62\x36\x4a\xc9\xfa\x66\xad\x3a\x1f\x11\x9f\x8e\x88\xdf"
      "\xcf\x94\xa6\xb2\xf1\x85\xd6\x9a\x89\x1f\x0d\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x05\xa5\x69\x12\x29"
      "\x00\x00\x00\x30\xd6\x22\x0a\x7f\x4d\xf2\xe7\x7f\xcd\xcd\xbc\x3c\xdd\x7d"
      "\x7d\x60\x32\xf9\xa4\xf5\x28\xe0\xc9\x88\x78\xef\x67\xef\xfc\xf4\xde\x4a"
      "\xb3\xb9\xb7\x90\x4d\xff\xc7\xf1\xf4\xe6\x07\xf9\xf4\x57\x47\x71\x05\x03"
      "\x00\x00\x00\xe8\xd6\x39\x4f\xef\x9c\xc7\x03\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\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\x65\xfa\xf8\xe1\xfb\xab"
      "\x9d\x34\xcc\xb8\x0f\xbe\x11\x11\xb3\xbd\xe2\x17\xe3\x5a\x6b\x78\x2d\x4a"
      "\x11\x71\xe3\x9f\x49\x14\x4f\xad\x97\x44\xc4\xc4\x25\xc4\x3f\xba\x1f\x11"
      "\xcf\xf7\x8a\x9f\x64\xc5\x8a\xd9\xbc\x14\xdd\xf1\x0b\x11\x71\xbd\x55\x8a"
      "\x81\xc7\x7f\x21\x4d\xd3\x9e\xf1\x6f\x3e\x75\x74\xb8\xda\x3e\xcc\xda\x9f"
      "\xb7\x7a\x7d\xfe\x0a\x71\xab\x35\xec\xfd\xf9\x2f\xb6\xd3\xf2\xd3\xc6\xef"
      "\xdf\xfe\x15\x8e\xdb\xbf\x89\xee\xf8\xc5\x76\xfb\xf7\xa9\x0b\xc6\xf8\xc2"
      "\x47\xbf\xaa\xf4\x9e\x33\xd5\x9e\x5f\xec\xdd\xfe\x74\xe2\x27\x7d\xda\xdf"
      "\x97\x7a\x6d\xb2\xf8\xff\x93\xbe\xf7\xdd\xc3\xc3\x7e\x65\x4b\x7f\x1e\x31"
      "\xd7\xf3\xfb\x27\x39\x13\xab\xd2\xdc\xde\xad\x34\x0e\x0e\xef\x6c\x6e\xaf"
      "\x6c\x54\x37\xaa\x3b\x8b\x8b\x0b\xaf\x2f\xbd\xb1\xf4\xda\xd2\x7c\x65\x7d"
      "\xb3\x56\xcd\x5f\x7b\xc6\xf8\xd1\x0b\xbf\xfe\x6f\xbf\xf8\x0f\x6e\x45\xdc"
      "\xc8\xe3\x4f\x9e\x9e\xb1\xdc\x6e\x7f\x4f\xd5\x7f\xa5\xbb\xfe\x2f\x67\x99"
      "\x52\xbf\x2d\x9f\xf8\xcf\x47\xf7\x1e\x7e\xae\x9d\x2d\x75\x6d\x22\x1e\xdc"
      "\x8f\xb8\xfd\x52\xef\xbf\xff\xf3\x67\xe3\x9f\xd9\xb5\xd9\x7b\xe2\xcb\xf9"
      "\xf7\x40\x36\x7f\xae\x93\x3f\x6a\xe7\x4f\x7b\xf1\x97\xbf\x7b\xb1\x6f\xfd"
      "\xef\x47\xac\xf5\xd9\xff\xe7\xfd\xfd\x6f\x9f\x5f\xf5\x96\x57\xbe\xf3\x83"
      "\x3f\x5d\x70\x51\x00\x60\x08\x1a\x07\x87\x5b\x2b\xb5\x5a\x75\x6f\xe0\x99"
      "\x0f\xd2\x34\xbd\xd8\xc2\xd9\x51\xe9\xd3\xc5\xca\x8e\x8e\x86\x55\xaf\x7e"
      "\x99\xb8\xe8\xc2\xcf\x8d\xbc\xa8\x4f\x90\x59\x7e\x9c\x85\xd3\xa9\xc7\x7a"
      "\xb3\x25\x47\xcf\x40\x05\xaf\x7c\x66\xd4\x2d\x13\x00\x00\x70\xd9\x4e\x0e"
      "\xfa\x47\x5d\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\xb8\xba\x86\xf1\xef\xc4\xba\x63\x1e\x8d\xa6\xaa\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x8f\xf4\xbf\x00\x00\x00\xff\xff\x07\x53\xd3\xc0",
      1308));
  NONFAILING(syz_mount_image(0x20000000, 0x20000500, 0, 0x200001c0, 1, 0x51c,
                             0x20000540));
  NONFAILING(memcpy((void*)0x20000040, ".\000", 2));
  res = syscall(__NR_openat, 0xffffff9c, 0x20000040ul, 0ul, 0ul);
  if (res != -1)
    r[0] = res;
  NONFAILING(memcpy((void*)0x20000180, "./bus\000", 6));
  syscall(__NR_mkdir, 0x20000180ul, 0ul);
  NONFAILING(memcpy((void*)0x200000c0, "./file0\000", 8));
  syscall(__NR_chdir, 0x200000c0ul);
  NONFAILING(memcpy((void*)0x20000180, "./bus\000", 6));
  syscall(__NR_mkdir, 0x20000180ul, 0ul);
  NONFAILING(memcpy((void*)0x20000240, "./bus\000", 6));
  NONFAILING(memcpy((void*)0x20000000, "./file0\000", 8));
  syscall(__NR_renameat2, r[0], 0x20000240ul, r[0], 0x20000000ul, 2ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  setup_binfmt_misc();
  install_segv_handler();
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}