// https://syzkaller.appspot.com/bug?id=f5b30c5511e9f91516bef7d4ff05cda5c6677f03
// 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;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

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

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x400000000000, "hfsplus\000", 8);
  memcpy((void*)0x400000000080, "./file0\000", 8);
  memcpy((void*)0x400000002440,
         "\x66\x6f\x72\x63\x65\x2c\x6e\x6c\x73\x3d\x65\x75\x63\x2d\x6a\x70\x2c"
         "\x62\x61\x72\x72\x69\x65\x72\x2c\x74\x79\x70\x65\x3d\x88\x3b\x7f\x38"
         "\x2c\x75\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
         "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x36\x2c\x66\x6f\x72"
         "\x63\x65\x2c\x62\x61\x72\x72\x69\x65\x72\x2c\x74\x79\x70\x65\x3d\x49"
         "\xd3\x88\x24\x2c\x67\x69\x64\x3d",
         93);
  sprintf((char*)0x40000000249d, "0x%016llx", (long long)0);
  memcpy((void*)0x4000000024af,
         "\x2c\x00\x5d\xc1\x5e\x24\x6d\x93\x0a\x23\xb5\xf4\x09\x37\x07\xc1\x02"
         "\x26\xaf\xb2\x8f\x3e\x28\x38\xbb\x91\x78\x86\xa2\x7a\xfe\xce\x1c\xbc"
         "\xf9\xae\x2d\x32\xc2\xc3\xf5\xbf\x4b\xb6\xfc\xd7\x3d\x5c\x59\xe4\x63"
         "\xcd\x17\x3c\x18\x8e\x1e\xef\xab\xa6\xfc\xea\xeb\x58\x40\xcb\xeb\x14"
         "\x5a\x56\xad\x67\x4e\x7f\x2f\x8c\x49\xea\xf5\xb1\xc6\x5e\xb6\xd7\x62"
         "\x30\x0b\x8c\x5c\x2f\xf6\x96\x71\xe6\xb2\x09\x00\x00\x00",
         99);
  memcpy(
      (void*)0x400000000c80,
      "\x78\x9c\xec\xdd\x4b\x68\x1c\xe7\x1d\x00\xf0\xff\xac\x56\xab\x5d\x15\x1c"
      "\x39\xf1\x23\x2d\x81\x2c\x31\xa4\xa5\xa2\xb6\x64\xa1\xb4\xea\xa5\x6e\x29"
      "\x45\x87\x50\x42\x7a\xe8\x79\xb1\xe5\x58\x78\x2d\x07\x49\x29\xb2\x29\xb5"
      "\xd2\xc7\xbd\x87\x9c\x7a\x4a\x0f\xba\x85\x1e\x4a\x7a\x37\xb4\xe7\x86\x40"
      "\xf1\x55\xc7\x40\x21\x97\x9c\x74\x53\x99\xd9\x99\xd5\x48\xbb\xda\x5d\xd9"
      "\x7a\x25\xfd\xfd\xc4\xcc\x7c\x33\xdf\x73\xfe\xb3\x33\xb3\x0f\xc4\x04\xf0"
      "\x7f\x6b\x71\x3a\xaa\x4f\x23\x89\xc5\xe9\xb7\x37\xd2\xf5\xed\xad\xb9\xf6"
      "\xd8\xd6\xdc\x44\x9e\xdd\x8e\x88\x5a\x44\x54\x22\xaa\x9d\x45\x24\x2b\x91"
      "\xe5\xde\xca\xa7\xf8\x76\xba\x31\x2f\x9f\xc4\x78\xff\x7e\x3e\x5a\x5e\x78"
      "\xf7\xd9\x57\xdb\x5f\x74\xd6\xaa\xf9\x94\xd5\xab\x94\xea\x8f\xa2\xd6\xbb"
      "\x69\x33\x9f\xa2\x19\x11\x63\xf9\xb2\xd7\x21\x63\x8b\x4f\x0f\x76\xbf\xaf"
      "\xbd\xdb\x87\xb6\x37\xaa\xa4\xbb\x87\x69\xc0\xae\x15\x81\x8b\xbf\xbc\x50"
      "\xab\xf0\xc2\x76\x7b\x6c\x76\xf3\x3e\xf9\x4f\x36\x1f\x54\xfd\x28\xe7\x2d"
      "\x70\x4e\x25\x9d\xfb\x66\x8f\xa9\x88\xc9\x88\xa8\x47\x74\xee\xfa\xf9\xd5"
      "\xa1\x72\xba\xa3\x3b\x7e\x9b\x67\x3d\x00\x00\x00\x00\x38\xaa\xc6\xd1\xab"
      "\xbc\xb4\x13\x3b\xb1\x11\x17\x4e\x62\x38\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\xf0\x4d\x95\x3f\xff\x3f\xc9\xa7\x4a\x91\x6e\x46\x52\x3c\xff\xbf\x96"
      "\x6f\x8b\x3c\x7d\x0e\x0d\x7f\x10\xe2\xe7\x13\x9d\xe5\xd3\x93\x1f\x0c\x00"
      "\x00\x00\x00\x00\x00\x00\x9c\xb8\xd7\x77\x62\x27\x36\xe2\x42\xb1\xbe\x9b"
      "\x64\xbf\xf9\xbf\x51\xfa\x8d\xff\x5b\xf1\x41\xac\xc5\x52\xac\xc6\xf5\xd8"
      "\x88\x56\xac\xc7\x7a\xac\xc6\x6c\x44\x4c\x95\x1a\xaa\x6d\xb4\xd6\xd7\x57"
      "\x67\xb3\x9a\xd1\xb8\x34\xa0\xe6\xcd\xf8\xac\x4f\xcd\x9b\x87\x8f\xf1\xd6"
      "\x71\xef\x34\x00\x00\x00\x00\x00\x00\x00\x9c\x6f\xf5\x21\xf9\xf7\xc7\x7b"
      "\xb7\xfd\x3e\x16\xf7\x7e\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x80\xf3\x20\x89\x18\xeb\x2c\xb2\xe9\x52\x91\x9e\x8a\x4a\x35\x22\xea\x11"
      "\x51\x4b\xcb\x6d\x46\x7c\x56\xa4\xbf\x26\x92\x7e\x1b\x9f\x9e\xfe\x38\x00"
      "\x00\x00\xe0\x85\xd4\xf7\xaf\x26\xf5\x11\xea\xbc\xf4\x24\x76\x62\x23\x2e"
      "\x14\xeb\xbb\x49\xf6\x99\xff\x4a\xf6\x79\xb9\x1e\x1f\xc4\x4a\xac\xc7\x72"
      "\xac\x47\x3b\x96\xe2\x4e\xfe\x19\x3a\xfd\xd4\x5f\xd9\xde\x9a\x6b\x6f\x6f"
      "\xcd\x3d\x48\xa7\xde\x76\x7f\xfa\xe5\x91\x86\x9e\xb5\x18\x9d\xef\x1e\xfa"
      "\xf7\xfc\x6a\x56\xa2\x11\x77\x63\x39\xdb\x72\x3d\x6e\x47\x12\xbb\x99\x4a"
      "\xde\xca\xab\xdb\x5b\x73\xe9\xf2\x41\xff\x71\x7d\x98\x8e\x29\xf9\x49\x6e"
      "\xc0\x68\xc6\x4a\xe9\x3b\xe9\xec\xea\xa7\x59\xfa\xcf\xfb\xbf\x45\xa8\x1e"
      "\x69\x17\x9f\x53\xe5\xd0\x9c\xa9\x2c\x77\xbc\x1b\x91\x99\x7c\x6c\x69\x8d"
      "\x8b\x45\x04\xfa\x47\x62\xe8\xd1\xa9\x0e\xec\x69\x36\x2a\xdd\x6f\x7e\x2e"
      "\x0d\xee\xa9\x7f\xcc\x3f\x1c\xdc\xfb\xe4\x81\x52\x7d\xbf\xb9\x39\x13\x07"
      "\x23\x71\x33\x2a\xdd\x23\x74\x65\x70\x24\x22\xbe\xfb\x8f\x4f\x7e\x7d\xaf"
      "\xbd\x72\xff\xde\xdd\xb5\xe9\xf3\xb3\x4b\x7d\x3d\x19\x5a\xe2\x60\x24\xe6"
      "\x4a\x91\xb8\xfa\x0d\x8a\xc4\x70\x33\x59\x24\x2e\x77\xd7\x17\xe3\x17\xf1"
      "\xab\x98\x8e\x2f\x27\xde\x89\xd5\x58\x8e\xdf\x44\x2b\xd6\x63\xa9\x59\xe4"
      "\xb7\xf2\xd7\x73\x3a\x9f\x1a\x1c\xa9\xcf\x27\xcb\x6b\xef\x0c\x1b\x49\x7a"
      "\x4e\x36\xbb\xd7\xaf\x7e\x63\x6a\xc6\xbe\x31\x45\x33\x7e\x9e\xa5\x5a\xf1"
      "\x46\x76\x4c\x2f\xc4\x72\x24\xf1\x30\x22\x96\xe2\xad\xec\xef\x66\xcc\x76"
      "\xaf\x06\x7b\x47\xf8\xf2\x08\x67\x7d\x65\x84\x2b\x6d\xc9\xb5\xef\x65\x8b"
      "\x6e\x98\xa2\x71\x78\xd9\xbf\x8d\xd6\xe4\x71\x49\xe3\x7a\xb1\x14\xd7\xf2"
      "\x35\x77\x2a\xcb\x2b\x6f\xd9\x8b\xd2\xcb\x7d\xa3\x54\xdc\xeb\x46\xbf\x1f"
      "\x95\x54\xbf\x93\x27\xd2\x16\xfe\x30\xf0\xfe\x70\xda\x0e\x46\x62\xb6\x14"
      "\x89\x57\x0e\x7b\xbd\x74\x42\xfa\xd7\xdd\x74\xbe\xd6\x5e\xb9\xbf\x7a\xaf"
      "\xf5\xfe\x88\xfd\xbd\x99\x2f\xd3\xf3\xe8\x4f\xe7\xea\x2e\x91\x1e\xe1\x97"
      "\xa3\x9e\xef\xdc\xc5\x6c\x9e\x64\xe7\xd4\x4c\x96\xf7\x4a\xf7\x0e\xbb\x3f"
      "\x5e\xb5\xfc\x17\x97\x8e\x4a\x4f\xde\xe5\x6e\xbd\xce\x99\xfa\xcb\x78\x18"
      "\x77\xf6\x9d\xa9\x3f\x8c\xf9\x98\x8f\x85\xac\xf4\x95\xac\xf4\x78\xcf\x1d"
      "\x2b\xcd\xbb\xda\x6d\x69\xff\x35\x3c\xcd\x4b\xdf\x69\x55\xbb\x3f\xec\x94"
      "\xdf\x6f\x3d\x8c\x76\xe7\xfd\x10\x00\xe7\xdb\xe4\xf7\x27\x6b\x8d\xff\x36"
      "\xfe\xdd\xf8\xb8\xf1\xc7\xc6\xbd\xc6\xdb\xf5\x9f\x4d\xfc\x68\xe2\xb5\x5a"
      "\x8c\xff\x6b\xfc\xc7\xd5\x99\xb1\x37\x2b\xaf\x25\x7f\x8f\x8f\xe3\x77\x7b"
      "\x9f\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x80\xe7\xb7\xf6\xe8\xf1\xfd\x56\xbb\xbd\xb4"
      "\xda\x3f\x51\xe9\x9f\x95\x0c\xae\xd5\x6a\xef\x16\x0f\x12\x1b\x50\x66\x5f"
      "\x22\xc9\x1f\x95\x33\x42\xe1\x64\xed\xd1\xe3\xdd\xa1\x0d\x0e\x4e\x4c\xe4"
      "\xc3\x7b\xce\xea\xc7\x99\x28\x9e\xd6\x38\xbc\x70\xf3\x04\x87\x91\x6c\x1e"
      "\x3c\x5e\xf5\xe1\xc7\xa2\x78\xca\xd3\x08\x5d\x24\x3d\x01\x4f\x2b\x3f\xf7"
      "\x98\x8b\x9e\xf7\xb6\x8c\x9f\x83\x43\x79\x30\xd1\x1c\x52\x26\x89\x91\x1b"
      "\x2c\x5e\xb0\xa5\xac\xa3\xbf\x7a\x1b\xfd\x8e\xd7\x58\x44\xdf\x61\x0c\xb9"
      "\x70\x8c\x1d\xc7\xd5\x07\x38\x4b\x37\xd6\x1f\xbc\x7f\x63\xed\xd1\xe3\x1f"
      "\x2c\x3f\x68\xbd\xb7\xf4\xde\xd2\xca\xf8\xfc\xfc\xc2\xcc\xc2\xfc\x5b\x73"
      "\x37\xee\x2e\xb7\x97\x66\x3a\xf3\x52\x85\x53\x79\xf8\x2d\x70\x1a\xca\x6f"
      "\x27\xba\x6a\x11\xf1\xfa\xf0\xba\x03\x1e\xd4\x0a\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x9c\xa0\xd3\xf8\x5f\x88\xb3\xde\x47\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xeb\x6d"
      "\x71\x3a\xaa\x4f\x23\x89\xd9\x99\xeb\x33\xe9\xfa\xf6\xd6\x5c\x3b\x9d\x8a"
      "\xf4\x5e\xc9\x6a\x44\x54\x22\x22\xf9\x6d\x44\xf2\xcf\x88\x5b\xf1\xe4\xd9"
      "\xad\x34\x63\xaa\xd4\x5c\x72\x58\x3f\x1f\x2d\x2f\xbc\xfb\xec\xab\xed\x2f"
      "\xf6\xda\xaa\x16\xe5\x2b\x11\x9b\x87\xd6\x1b\xcd\x66\x3e\x45\x33\x22\xc6"
      "\xf2\xe5\x71\xb5\x77\x7b\x78\x7b\xb5\xbd\xe4\x44\x9f\xec\xa4\x1b\x99\x34"
      "\x60\xd7\xf2\x25\x9c\xb9\xff\x05\x00\x00\xff\xff\x18\xfd\xed\x14",
      1762);
  syz_mount_image(/*fs=*/0x400000000000, /*dir=*/0x400000000080,
                  /*flags=MS_I_VERSION|MS_NOEXEC|MS_NODEV*/ 0x80000c,
                  /*opts=*/0x400000002440, /*chdir=*/2, /*size=*/0x6e2,
                  /*img=*/0x400000000c80);
  memcpy((void*)0x400000000040, "./file1\000", 8);
  memcpy((void*)0x400000001300, "./file0/file0\000", 14);
  syscall(__NR_rename, /*old=*/0x400000000040ul, /*new=*/0x400000001300ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x3ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x400000000000ul, /*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=*/0x400001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}