// https://syzkaller.appspot.com/bug?id=f86606dfb403cc9435c0ed5f17e1d80c110cddef
// 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");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  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)) {
  }
  //  syz_mount_image$hfsplus arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 70 6c 75 73 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x2000444 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x695 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x695)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000100, "hfsplus\000", 8);
  memcpy((void*)0x200000000000, "./file1\000", 8);
  memcpy(
      (void*)0x2000000026c0,
      "\x78\x9c\xec\xdd\x4d\x6c\x1c\x67\xfd\x07\xf0\xef\x6e\xbc\x6b\x6f\xfe\x7f"
      "\xa5\x4e\x9b\xa4\x01\x55\x22\x6a\xa4\x82\x88\x48\x9c\x58\x49\x31\x97\x06"
      "\x84\x50\x24\x2a\x54\x95\x03\xe2\x68\x25\x4e\x63\x65\xe3\x56\xb6\x8b\x9c"
      "\x08\x41\x78\x3f\x70\xe1\xd0\x3b\x45\xc2\x37\x2e\x20\x71\x0f\x2a\x67\xe0"
      "\xd4\xab\x8f\x95\x90\xb8\xf4\x14\x40\x62\xd1\xcc\xce\xda\xeb\x97\xd8\xbb"
      "\x4e\xe2\xb5\xc5\xe7\x13\xcd\xcc\x33\xf3\xbc\xcc\xf3\xfc\x66\x66\x67\x67"
      "\x56\x91\x03\xfc\xcf\xba\x71\x21\x63\x8f\x52\xcb\x8d\x0b\x6f\xae\x14\xeb"
      "\x6b\xab\xd3\xed\xb5\xd5\xe9\x7b\xbd\x74\x92\xf1\x24\xf5\x64\xac\xbb\x48"
      "\x6d\x21\xa9\x7d\x94\x5c\x4f\x77\xca\x67\x8a\x8d\x55\x73\xb5\x27\xed\xe7"
      "\x83\xf9\x99\xb7\x3f\xfe\x74\xed\x93\xb4\x7a\x5b\xc6\x7a\xe5\xeb\xbb\xd5"
      "\xdb\xe6\x5a\x7d\x87\x8d\x0f\xab\x29\xe7\x92\x1c\xab\x96\x4f\x61\x53\x7b"
      "\x37\xb7\xb4\xd7\x1c\xba\xb9\xda\xfa\x08\x8b\x80\x9d\xef\x05\x0e\x46\xad"
      "\x91\xa4\xb3\xc9\x77\xcf\x6c\xe4\xec\x69\xf0\xeb\x16\x38\xb4\x6a\xdd\xfb"
      "\xe6\xb6\x0b\x7a\x32\x39\x9e\x64\xa2\xfa\x1e\xd0\xbd\x2b\x76\xef\xd9\x47"
      "\xda\xc3\x51\x77\x00\x00\x00\x00\x0e\xc0\x0b\xbf\x2c\x1f\xe1\x4f\x8c\xba"
      "\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x94\x54\x7f\xff\xbf\x56\x4d"
      "\xf5\x5e\xfa\x5c\x6a\xbd\xbf\xff\xdf\xac\xb6\xa5\x4a\x1f\x69\x8f\x46\xdd"
      "\x01\x00\x00\x00\x00\x00\x00\x00\x18\xde\x37\xff\x7f\xcb\x86\xcf\x3d\xce"
      "\xe3\xac\xe4\x44\x6f\xbd\x53\x2b\x7f\xf3\x7f\xb5\x5c\x39\x55\xce\xff\x2f"
      "\xef\x67\x29\x73\x59\xcc\xc5\xac\x64\x36\xcb\x59\xce\x62\x2e\x27\x99\x2c"
      "\xf3\x1b\xe5\xbc\xb9\x32\xbb\xbc\xbc\x78\x79\x80\x9a\x57\xd6\x6b\xa6\xaf"
      "\xe6\x95\x01\x47\xd0\xda\xff\xe0\x01\x00\x00\x00\x00\x00\x00\xe0\xa8\x18"
      "\x1b\xbe\xca\x8f\x73\x63\xe3\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\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x38\x0c\x6a\xc9\xb1\xee\xa2\x9c\x4e\xf5\xd2\x93\xa9\x8f\x25\x99"
      "\x48\xd2\x2c\xca\x3d\x4c\xfe\xda\x4b\x1f\x4a\xbf\xfe\x53\xff\x5a\xe7\xdf"
      "\x9d\xd2\xb6\x62\x8f\x0e\xb2\x4f\x00\x00\x00\x30\x22\x2f\x3c\xce\xe3\xac"
      "\xe4\x44\x6f\xbd\x53\x2b\x9f\xf9\xcf\x94\xcf\xfd\x13\x79\x3f\x0b\x59\xce"
      "\x7c\x96\xd3\xce\x5c\x6e\x95\xef\x02\xba\x4f\xfd\xf5\xb5\xd5\xe9\xf6\xda"
      "\xea\xf4\xbd\x62\xda\xde\xee\x57\xff\x31\x54\x37\xca\x16\xd3\x7d\xf7\xb0"
      "\xf3\x9e\xcf\x96\x25\x5a\xb9\x9d\xf9\x72\xcb\xc5\xdc\xcc\xbb\x69\xe7\x56"
      "\xea\x65\xcd\xc2\xd9\x5e\x7f\x76\xee\xd7\x8f\x8a\x3e\xd5\xde\xa8\x0c\xd8"
      "\xb3\x5b\xd5\xb2\x18\xf9\xaf\xd2\x18\x6a\x54\xfb\x51\x1b\xb8\xe4\x64\x19"
      "\x91\xa2\x47\xdd\x88\x4c\x55\x75\x8b\x68\x9c\xdc\x3d\x12\x43\x1e\x9d\xc9"
      "\xd3\xbd\x54\x77\x4f\x97\x53\x5f\x7f\xf3\x73\xea\x59\xc6\x7c\xa5\xbb\x78"
      "\xfd\xb7\xdd\x65\x31\x9e\x9f\x0f\x15\x93\xe7\xad\x17\xf3\xde\x59\x78\xa5"
      "\xef\xec\x3b\xb3\x7b\x24\x92\xcf\xff\xf1\x77\xdf\xb9\xd3\x5e\xb8\x3b\x7e"
      "\x7b\xe9\xc2\xe1\x19\xd2\x10\xc6\xfb\xde\xa0\x6d\x8d\xc4\x74\x5f\x24\x5e"
      "\x1e\x34\x12\x77\x8e\x6a\x24\xfa\x4d\x95\x91\x58\xbf\x44\x72\x23\xdf\xc8"
      "\xb7\x73\x21\xe7\xf2\x56\x16\x33\x9f\xef\x65\x36\xcb\x99\xcb\xb9\x7c\x3d"
      "\xb3\x39\x96\xd9\xea\x7c\x2e\xe6\x93\xbb\x47\xea\xfa\xa6\xb5\xb7\xf6\xea"
      "\x49\xb3\x3c\x2e\x8d\xea\x53\x74\xf0\x3e\x2d\x67\x36\xaf\x96\x75\x4f\x64"
      "\x3e\xdf\xca\xbb\xb9\x95\xb9\x5c\x2b\xff\x5d\xc9\xe5\xbc\x9e\xab\xb9\x9a"
      "\x99\xbe\x23\x7c\x7a\x80\xab\xbe\xbe\xe7\x55\x5f\xef\x5f\x39\xff\x85\xbe"
      "\x97\xc9\xbf\x48\xd2\xda\x6b\xb8\x07\xa6\xe8\xd8\xc9\xf5\xbb\x53\xff\x59"
      "\x3f\x55\x5e\x07\x27\x37\x6d\xd9\x88\xd2\x8b\xcf\xfe\x7e\x34\xf6\xd9\x2a"
      "\x51\xec\xe3\x27\x5b\x63\x38\x52\x5b\x23\x71\xb9\x2f\x12\x2f\xed\x1e\x89"
      "\xdf\x94\x1f\x2b\x4b\xed\x85\xbb\x8b\x77\x66\xdf\x1b\x70\x7f\xaf\x55\xcb"
      "\xe2\x3a\xfa\xd9\xa1\xba\x4b\x14\xe7\xcb\x8b\xc5\xc1\x2a\xd7\x36\x9f\x1d"
      "\x45\xde\x4b\x5b\xf3\x26\xba\xf1\x6a\x56\xbf\xb8\x74\xf3\xea\x9b\x62\x59"
      "\xe4\x9d\x5e\xcf\xdb\xeb\x4a\x6d\x56\xdf\xe1\xb6\xb7\x74\xa5\xcc\x7b\x79"
      "\xc7\xbc\xe9\x32\xef\x6c\x5f\xde\xa6\xef\x5b\xd7\xbb\xdf\xb7\x00\x38\xf4"
      "\x8e\x7f\xf1\x78\xb3\xf5\xf7\xd6\x5f\x5a\x1f\xb6\x7e\xda\xba\xd3\x7a\x73"
      "\xe2\x6b\xe3\x5f\x1e\x7f\xa5\x99\xc6\x9f\x1b\x5f\x19\x9b\x3a\xf6\x5a\xfd"
      "\x95\xda\x1f\xf2\x61\x7e\xb0\xf1\xfc\x0f\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xec\xdf\xd2"
      "\xfd\x07\x77\x67\xdb\xed\xb9\xc5\x2d\x89\x4e\xa7\xf3\xc3\x27\x64\x3d\xc7"
      "\x44\x2b\x49\x6f\x4b\xb2\x57\xad\x46\xf6\x2e\xf3\x7c\x12\xcd\x24\x65\x62"
      "\xac\x97\x18\xae\x9d\xf1\x81\x0a\x37\x37\x8e\xce\x1b\xbf\xdf\x5f\x57\x1b"
      "\xdd\x40\x0d\xdb\xc3\xe4\xe9\x03\xb5\xb6\x71\x92\xdd\x7f\x70\xf7\x9f\x9d"
      "\x4e\xe7\xc0\x0f\xd3\x0e\x89\xc6\x2e\xe7\xfc\x46\xa2\x53\xd9\x96\xd5\x19"
      "\xa8\xfa\xc8\x12\xff\xea\x3c\xbb\x06\x47\xf9\xa9\x04\x1c\x84\x4b\xcb\xf7"
      "\xde\xbb\xb4\x74\xff\xc1\x97\xe6\xef\xcd\xbe\x33\xf7\xce\xdc\xc2\xcc\xd5"
      "\xab\x33\x53\x33\x57\xaf\xfd\xed\xd2\xed\xf9\xf6\xdc\x54\x77\x3e\xea\x5e"
      "\x02\xcf\xc3\xc6\x4d\x7f\xd4\x3d\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x06\x75\x10\xff\x2d\xe1\x09\xbb\xfe\xcf\x01\x0f\x15\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\xa2"
      "\x6e\x5c\x18\xaf\x52\x17\xa7\x8a\xf9\xda\xea\x74\xbb\x98\x7a\xe9\xf5\x82"
      "\x65\xb1\x7a\x92\xda\xf7\x93\xda\x47\xc9\xf5\x74\xa7\x4c\xf6\x35\x57\x7b"
      "\xd2\x7e\x3e\x98\x9f\x79\xfb\xe3\x4f\xd7\x3e\xe9\xae\x8d\x55\x53\x59\xbe"
      "\xbe\xa9\x5e\x63\x3f\xa3\x78\x58\x4d\x39\x97\xe4\x58\xb5\xec\x37\xf1\x14"
      "\xed\xdd\xac\x96\xfb\xea\x59\xa9\xb6\x3e\xc2\x22\x60\xe7\x7b\x81\x83\x51"
      "\xfb\x6f\x00\x00\x00\xff\xff\x36\x86\x10\x50",
      1685);
  syz_mount_image(
      /*fs=*/0x200000000100, /*dir=*/0x200000000000,
      /*flags=MS_LAZYTIME|MS_NODEV|MS_NOATIME|MS_MANDLOCK*/ 0x2000444,
      /*opts=*/0x200000000140, /*chdir=*/1, /*size=*/0x695,
      /*img=*/0x2000000026c0);
  //  creat arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      00} (length 0xfb)
  //    }
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000300,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         251);
  syscall(__NR_creat, /*file=*/0x200000000300ul, /*mode=*/0ul);
  //  unlink arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      00} (length 0xfb)
  //    }
  //  ]
  memcpy((void*)0x200000000000,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         251);
  syscall(__NR_unlink, /*path=*/0x200000000000ul);
}
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;
}