// https://syzkaller.appspot.com/bug?id=336d0d6a49a60210954b3df4cc926e5fc7697e68
// 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;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x2000000004c0, "./file1\000", 8);
  memcpy(
      (void*)0x200000000d00,
      "\x78\x9c\xec\xdd\xcd\x6f\x1c\x67\x1d\x07\xf0\xef\xac\x37\x76\x36\x6d\x43"
      "\x92\x26\x6d\x40\x95\x6a\x35\x12\x20\x22\x12\x27\x56\x5a\xcc\x85\x80\x10"
      "\xca\xa1\xaa\xaa\x72\xe0\x6c\x25\x4e\x63\xc5\x49\x8b\xe3\x22\xb7\x42\xc4"
      "\xe1\xf5\xda\x43\xff\x80\x72\xc8\x05\x71\x42\xe2\xc4\x25\x52\xe1\xc0\x85"
      "\xde\x7a\x43\x3e\x22\x21\x71\x29\x07\xc2\x85\x45\x33\x3b\x6b\xaf\xd7\xeb"
      "\xcd\xba\x4d\xbc\x36\x7c\x3e\xd1\xec\xf3\x3a\xcf\x3c\xf3\x9b\x97\x7d\xb1"
      "\xa2\x09\xf0\x7f\xeb\xca\xd9\x34\x1f\xa4\xc8\x95\xb3\xaf\xae\x96\xe5\xf5"
      "\xfb\xb3\x4b\xeb\xf7\x67\x6f\x75\xf2\xaf\x35\x93\x4c\x25\x59\x4b\xca\x6c"
      "\x23\x49\xf1\xaf\x76\xbb\xfd\x51\x72\x39\x29\x36\x86\x29\xfa\xd2\x6d\x3e"
      "\x58\x9c\x7b\xe3\x93\x4f\xd7\xff\xd6\x29\x35\xeb\xa5\xea\xdf\x18\xb6\x5e"
      "\x9f\xba\xdf\x5a\x5f\xf5\x5a\xb7\x6e\x3a\xc9\x44\x9d\x7e\x0e\x5b\xc6\xbb"
      "\xfa\xb9\xc7\x2b\x36\x66\x7e\x39\xc9\x99\x3a\x85\xb1\x3b\x94\xa4\xbd\xc5"
      "\x0f\xff\xfc\xf4\x46\x4b\x8f\xd6\xa0\xb5\x0f\xef\xc9\x1c\x81\x27\xab\xe8"
      "\xbc\x6f\x3e\xd3\x5f\x7f\x2c\x39\x52\x5f\xe8\xe5\xe7\x80\xee\x3b\x6f\x63"
      "\xef\x67\x38\x9a\xa9\x11\xfb\xf5\x7f\x82\x00\x00\x00\x80\x83\xa6\xfa\x0e"
      "\xdc\xdc\x56\xbd\xa5\xe6\x0b\x0f\xf3\x30\xab\xc5\xd1\x3d\x9c\x16\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x1c\x68\x6b\x9b\xcf\xff\x2f\xea\xa5\xd1\xcd"
      "\x4f\xa7\xe8\x3e\xff\x7f\xb2\xae\x4b\x9d\xdf\x5f\x5e\xdc\x5d\xf7\x07\x4f"
      "\x6a\x1e\x00\x00\x00\x00\x00\x00\x00\xb0\x87\x5e\x7c\x98\x87\x59\xcd\xd1"
      "\x6e\xb9\x5d\x54\x7f\xf3\x7f\xa9\x2a\x9c\xac\x5e\x9f\xca\x3b\xb9\x93\x85"
      "\x2c\xe7\x5c\x56\x33\x9f\x95\xac\x64\x39\x17\x92\x1c\xeb\x19\x68\x72\x75"
      "\x7e\x65\x65\xaa\x5b\x1a\xb6\xe6\xc5\x41\x6b\x2e\x5f\x7c\xc4\x44\xbb\x43"
      "\xb7\x1e\xc3\x4e\x03\x00\x00\x00\x00\x00\x00\xc0\xff\x9e\x9f\xe6\xca\xe6"
      "\xdf\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x3f\x28\x92\x89"
      "\x4e\x92\xe2\x5e\x4f\xf5\xb1\x34\x9a\x49\x0e\x27\x99\x2c\x2b\xd6\x92\x8f"
      "\xbb\xf9\x83\xec\xc1\xb8\x27\x00\x00\x00\x00\x7b\x60\x2a\x79\x98\xd5\x1c"
      "\xed\x96\xdb\x45\x4e\x26\x79\xae\xfa\x0d\xe0\x70\xde\xc9\xed\xac\x64\x31"
      "\x2b\x59\xca\x42\xae\x55\xbf\x0b\x74\xbe\xf5\x37\xd6\xef\xcf\x2e\xad\xdf"
      "\x9f\xbd\x55\x2e\xdb\xc7\xfd\xf6\x3f\x76\x35\x8d\x6a\xc4\x74\x7e\x7b\x18"
      "\xbc\xe5\xd3\x55\x8f\x56\xae\x67\xb1\xaa\x39\x97\xab\x79\x2b\x4b\xb9\x96"
      "\x46\xb5\x66\xe9\x74\x3d\x9f\xee\xa8\x7d\xf3\xba\x57\xce\xa9\xf8\x56\xed"
      "\x95\xd1\x66\x76\xad\x4e\xcb\x3d\x7f\xbf\x4e\xb7\xb9\xbb\xab\x9d\xdd\xc9"
      "\x2e\x7f\x4c\x39\x56\x45\xe4\x50\x27\x22\x13\xc9\x4c\x3d\xb7\x32\x1a\xc7"
      "\xbb\x47\x66\xf0\x11\xda\xe5\xd1\xd9\xb2\xa5\x2c\xe4\x42\x1a\x1b\x93\x3d"
      "\xd9\xb7\xa5\xc9\xad\x3b\xb3\x35\xe6\x9b\x43\x36\x86\x6d\xef\x48\x9d\x96"
      "\xfb\xf3\xcb\x9d\x62\x3e\x16\x9d\x48\xfc\xa7\xdd\xb1\x90\x8b\x3d\x67\xdf"
      "\x73\xc3\x63\x9e\x7c\xe5\xf7\xbf\xfd\xc1\x4c\x9d\xdf\x3f\xbb\x34\x9a\x89"
      "\x3a\x6d\x57\xaf\xad\xed\xe7\xc4\x6c\x4f\x24\x9e\x1f\x25\x12\x37\x96\x6e"
      "\xdf\xbc\x71\xfd\xce\xd9\x83\x16\x89\x6d\x66\xaa\x48\x9c\xda\x28\x5f\xc9"
      "\xf7\xf2\xfd\x9c\xcd\x74\x5e\xcf\x72\x16\xf3\xa3\xcc\x67\x25\x0b\x99\xce"
      "\x77\xab\xdc\x7c\x7d\xf0\x8b\x9e\x4b\x7e\x87\x48\x5d\xde\x52\x7a\xfd\x51"
      "\x33\x99\xac\xcf\xd0\xce\xc1\xda\xdd\x9c\x5e\xaa\xd6\x3d\x9a\xc5\xbc\x96"
      "\xb7\x72\x2d\x0b\x79\xb9\xfa\x77\x31\x17\xf2\x4a\x2e\xe5\x52\xe6\x7a\x8e"
      "\xf0\xa9\xe1\x47\xb8\xba\xea\x1b\xdb\xaf\xfa\x4a\xfb\x99\x81\x93\x3f\xf3"
      "\xd5\x3a\xd3\x4a\xf2\xab\x3a\xdd\x1f\xca\xb8\x1e\xef\x89\xeb\xe6\x59\x3f"
      "\x53\xc5\xfb\xf8\x96\x9a\xcd\x28\x9d\x18\x21\x4a\x03\xee\x8d\xc3\x34\xbf"
      "\x54\x67\xca\x6d\xfc\xec\x51\x37\xd2\x3d\xd5\x1f\x89\x0b\x3d\x91\x78\x76"
      "\x78\x24\x7e\x5d\xdd\x56\xee\x2c\xdd\xbe\xb9\x7c\x63\xfe\xed\xd1\x36\x77"
      "\xe2\xfd\x3a\x53\x5e\x47\xbf\x48\xa6\xf7\xcf\x8d\xa4\x3c\x5f\x4e\x94\x07"
      "\xab\x2a\x4d\x6d\x39\x3b\xca\xb6\x67\x37\xda\xb6\xc6\xab\x6c\x3b\xb9\xd1"
      "\xd6\xd8\xd6\x76\x2a\x7f\x48\xb3\xd9\xdd\xca\x62\xd6\x76\xbc\x52\x27\xeb"
      "\xcf\x70\xdb\x47\xba\x58\xb5\x3d\x3f\xb0\x6d\xb6\x6a\x3b\xdd\xd3\x36\xe8"
      "\xf3\x16\x00\xfb\xde\x91\xaf\x1d\x99\x6c\xfd\xbd\xf5\x97\xd6\x87\xad\x9f"
      "\xb7\x6e\xb4\x5e\x3d\xfc\x9d\xa9\x6f\x4c\xbd\x30\x99\x43\x7f\x3c\xf4\xcd"
      "\xe6\xcc\xc4\x97\x1b\x2f\x14\xbf\xcb\x87\xf9\xc9\xe6\xf7\x7f\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xe0\xb3\xbb\xf3\xee\x7b\x37\xe7\x97\x96\x16\x96\xfb\x32\xed\x76"
      "\xfb\xee\xc7\x83\x9b\x46\xcc\x74\x9f\x57\xf3\x19\x57\xef\xcf\x74\x9f\x0a"
      "\x35\x42\xe7\x4c\xff\xf5\xa9\xb2\xeb\x80\xa6\x89\xb4\xef\xee\xd0\xf4\xa4"
      "\x32\x5f\x7c\x3a\xd9\xab\x6d\xed\xdf\xcc\xbf\xdb\xed\x76\x5d\x53\xec\xd0"
      "\xe7\x37\x7f\xea\x0f\xd4\x54\xc6\x14\xba\xfa\x39\x7f\xed\x7d\x11\xba\x31"
      "\x65\xc6\x76\x4b\x02\xf6\xc8\xf9\x95\x5b\x6f\x9f\xbf\xf3\xee\x7b\x5f\x5f"
      "\xbc\x35\xff\xe6\xc2\x9b\x0b\xb7\xe7\x2e\x5d\x9a\x9b\x99\xbb\xf4\xf2\xec"
      "\xf9\xeb\x8b\x4b\x0b\x33\x9d\xd7\x71\xcf\x12\x78\x12\x36\xdf\xf4\xc7\x3d"
      "\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x54\x8f\xf9\xff\x0c\xac\x0d"
      "\x6a\x1a\xf7\x3e\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x07\xdb\x95\xb3\x69\x3e\x48\x91\x0b\x33"
      "\xe7\x66\xca\xf2\xfa\xfd\xd9\xa5\x72\xe9\xe6\x37\x7b\x36\x93\x34\x92\x14"
      "\x3f\x4e\x8a\x8f\x92\xcb\xe9\x2c\x39\xd6\x33\x5c\xb1\xd3\x76\x3e\x58\x9c"
      "\x7b\xe3\x93\x4f\xd7\xff\xd9\xee\xa8\xc7\xab\xfa\x37\x86\xad\x37\x9a\xb5"
      "\x7a\xc9\x74\x92\x89\x4e\x7a\xef\x71\x8d\x77\xb5\x4e\x87\x2a\x86\xed\x42"
      "\xb1\xb1\x87\x65\xc0\xce\x74\x03\x07\xe3\xf6\xdf\x00\x00\x00\xff\xff\xe2"
      "\x05\x10\x28",
      1695);
  syz_mount_image(
      /*fs=*/0x200000000000, /*dir=*/0x2000000004c0,
      /*flags=MS_I_VERSION|MS_REC|MS_SYNCHRONOUS|MS_STRICTATIME|MS_NODIRATIME*/
      0x1804810, /*opts=*/0x200000000140, /*chdir=*/0xfa, /*size=*/0x69f,
      /*img=*/0x200000000d00);
  memcpy((void*)0x200000000040, "./file1\000", 8);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
                /*flags=O_SYNC|O_RDWR*/ 0x101002, /*mode=S_IXGRP*/ 8);
  if (res != -1)
    r[0] = res;
  memset((void*)0x200000000140, 51, 1);
  syscall(__NR_pwrite64, /*fd=*/r[0], /*buf=*/0x200000000140ul, /*count=*/1ul,
          /*pos=*/0xfecaul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}