// https://syzkaller.appspot.com/bug?id=fabc0a3f16c71fe24ce72b6e95ae25803e0285a7
// 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 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, 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;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      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;
    }
    remove_dir(cwdbuf);
  }
}

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*)0x20000040, "squashfs\000", 9);
  memcpy((void*)0x20000000, "./file0\000", 8);
  *(uint16_t*)0x20000b00 = 0;
  sprintf((char*)0x20000b02, "0x%016llx", (long long)-1);
  sprintf((char*)0x20000b14, "0x%016llx", (long long)-1);
  *(uint32_t*)0x20000b26 = 0;
  sprintf((char*)0x20000b2a, "%020llu", (long long)0);
  *(uint64_t*)0x20000b3e = -1;
  memcpy(
      (void*)0x20000b46,
      "\x01\xce\x66\x71\xa3\xb3\x0f\x67\x31\x48\x67\x21\x00\x03\x8b\xbb\x44\x13"
      "\xea\x28\x4b\x89\x24\x38\xcd\xdd\xda\x3d\xa4\xc7\x8d\x94\x06\x55\xfb\xd6"
      "\x8a\x28\x60\x59\xc5\x76\x6f\x98\xf8\x5f\xb4\x13\x50\x3e\xaf\x8c\x90\xa2"
      "\x4d\xda\x1e\x09\xf6\x8c\xd7\x41\x16\x8d\x69\xda\xe5\x06\x52\xca\x7b\x67"
      "\xc5\xb0\xa2\x7a\xb8\x0f\xf9\xaf\xa5\x00\x04\x43\xde\x8c\x74\x8e\x1d\x5b"
      "\xea\xbe\xe7\xc1\x34\x6b\x21\x5f\x64\x1a\xe1\x90\xd5\x6e\xa4\xab\x81\xba"
      "\xcd\x90\x99\x29\xde\xb5\x75\x70\x40\xe8\xd5\xb2\x75\x2e\xa7\x79\xc3\x0f"
      "\x60\x0b\xd5\x16\xa6\x8d\x88\x1e\x7f\xc7\x28\x98\x26\xd4\x9e\x35\x13\x4a"
      "\x94\xe2\x7f\x11\x5c\x81\x95\xa0\xf1\x52\xcb\xd8\x40\xff\xdb\x00\x83\x56"
      "\xc7\x23\x19\xcc\xeb\x43\xcc\xb1\x28\x05\x56\xef\xdf\x0f\xdf\x58\x2f\xd3"
      "\xcf\xc8\x30\xdf\xf1\x78\x7f\x00\x00\x00\xb7\x40\x0f\x5a\xef\x57\xb6\xdc"
      "\xbf\xde\x7a\xf6\x01\x23\x83\xad\xb0\x85\xc4\x0e\x4c\x29\x5c\x2a\x3b\xe7"
      "\x50\xa4\x24\x00\xe5\x85\x23\xd2\x4b\x8e\xec\xd7\x5c\xaa\xbc\xee\x22\x34"
      "\x7b\xdb\x78\xb7\x2b\x40\x0d\x08\x0a\x04\x4e\xbd\xe5\xd3\x9a\xd9\x1f\xf0"
      "\xef\x75\xaa\x24\x43\x81\xcf\x00\xcd\x6f\xe9\xb9\xa9\x2a\x99\x68\x10\x4b"
      "\xf0\x24\x81\x02\x2a\xf4\x26\x85\x32\x87\xe5\x21\xa4\xe3\xcf\xe4\x80\xf9"
      "\x84\xef\xce\xa1\x35\x9f\xf9\x32\xeb\xd3\xbc\x75\xae\xfe\xa4\x10\x74\x79"
      "\x9f\x35\x02\xa7\x47\x2a\x66\x86\xb4\x01\x1a\x41\xd7\xf0\xcf\xb2\x5b\x3d"
      "\xc3\x07\x7b\x4e\x8d\xed\x17\xcf\xff\x2b\x1d\x59\xbc\x12\xf6\x37\xc3\x66"
      "\x90\xf5\xca\x91\xee\x99\x9e\xc1\x38\xf6\xce\x66\x52\x2e\x65\x29\x39\xa3"
      "\x74\x35\xed\xb7\x8f\x9a\xe1\x84\x89\xf9\xd2\xb7\x3c\x81\x60\x93\x99\xf0"
      "\xd1\x23\xf1\x72\x11\x71\xbd\x72\xc0\x12\x62\x3f\x04\xd8\x96\x5d\x3e\x57"
      "\x85\xd0\x57\xc1\x57\x98\xab\x36\xaf\x82\x1c\x9b\x30\x87\x31\x42\x2b\xa3"
      "\x85\x8b\x98\x95\xac\xe1\x40\x68\xea\x58\xf8\xcb\x60\x60\xc2\x05\xca\xf2"
      "\x09\xa7\x36\x28\xef\xf5\xb9\x27\x0a\x4a\x55\xc2\xd7\xfc\x59\xa4\xfe\x6e"
      "\x02\x3b\xd4\x24\xd8\xb0\x10\xe2\x23\x2d\x1b\x2e\x6c\xa6\x03\xb4\x66\xb2"
      "\xc8\x2a\xff\xf4\xa8\xcc\x46\x9e\x86\x64\xd5\x47\x69\xfc\x97\xdf\x12\x2b"
      "\x3f\xf8\xc3\x43\x54\xda\xd4\x6f\x90\x0e\xaf\x6e\x72\xe5\x38\xc0\x59\x5c"
      "\xaa\x05\x69\x84\xab\x89\x74\xda\xda\xd4\x7a\x42\xaf\x7c\xda\xe5\xbd\xe6"
      "\xa1\x2f\x41\x2f\xe2\xa8\x76\xaa\x19\x1e\x78\xe9\x1f\xbf\x78\x0e\x2f\x4a"
      "\x20\xf5\x7d\x41\x37\x6b\x29\xf9\x90\xce\x63\xaa\x6e\xdf\x62\x2d\x22\x03"
      "\xfe\xe3\x7d\xf2\x69\xab\xf8\x69\xd1\x3b\x17\x58\x52\xb7\x75\xff\xf7\x04"
      "\x91\xd1\xe5\xd1\x31\x1b\x7e\xef\x95\x4a\x10\x1d\xdb\x98\xc5\xba\x2b\x31"
      "\x25\x28\x48\x5e\xce\x7a\xff\x23\xcc\x6f\xee\x59\x9d\xae\xa0\xfc\xa7\x1a"
      "\x59\x70\xcf\x0f\xc8\x2b\x49\x64\x0c\xc3\xfa\xbb\xc4\x01\xde\xad\x4f\x83"
      "\xaa\x0c\x40\x72\xa9\xe9\x8a\xb5\xaf\xb7\x90\xbe\x17\x96\x1f\xc0\x73\xe2"
      "\xf8\xec\x00\x00\x00\x00\x00\x00\x00\x00\x50\x89\xd6\xdb\x5a\xd8\x93\xee"
      "\x9b\x22\xb9\x25\x0d\x01\x98\x09\x52\xd0\xa3\xe0\x07\x6c\x87\x75\x56\xfa"
      "\x43\xf9\x0c\xb5\x74\xfd\x6a\xd6\x73\x98\xac\x4d\x9f\x8f\xf4\xe3\xef\x09"
      "\xf9\x92\x20\x92\x86\x02\x52\x3a\xdc\x22\x89\xb5\x13\x0c\x5f\x8e\x48\x38"
      "\x4e\xff\x56\x3a\x10\x78\x7b\x01\x99\x64\x23\x85\xe8\x11\x50\x4e\x71\x68"
      "\x80\x41\x14\x84\x2d\x51\xf4\x2d\xd6\x93\x75\x15\xfa\x64\xb2\xfd\x14\xef"
      "\x42\x70\x72\xc6\x55\x6b\x99\x17\x1b\xd0\x01\x65\xa9\xaa\xda\x71\x73\xf0"
      "\x01\x67\x9a\xc7\x91\xee\x67\x18\x8c\x67\x0f\x58\x3f\x7b\x1f\x8d",
      790);
  *(uint8_t*)0x20000e5c = 0;
  sprintf((char*)0x20000e5d, "%023llo", (long long)0);
  memcpy(
      (void*)0x20000580,
      "\x78\x9c\xec\x95\x4f\x6b\x13\x41\x18\xc6\x7f\xb3\x3b\x69\x1a\xcd\xa1\x67"
      "\xaf\x16\xdb\x8b\xb6\xd9\x82\xf8\x0d\xec\x07\xf0\x03\x18\xd2\xb5\x16\x13"
      "\xff\x74\x03\x9a\x50\x30\x7a\xe9\xc5\x83\xf8\x25\x0a\x7e\x0a\x0f\x82\xde"
      "\x3d\x88\x08\x5e\xea\x41\x41\x0f\x15\x4f\x15\x89\xcc\xce\x3b\xe3\x2c\x0d"
      "\x44\xc5\x50\x02\xf3\xc0\xf2\x3e\xef\x33\xef\x9f\x99\x59\x66\xe6\x66\x71"
      "\xaf\xa8\x03\x3f\x8f\xf6\x3a\x2c\x51\x42\xd1\xe4\xbd\x52\x68\x60\x45\x59"
      "\xed\x78\xc1\xda\x6f\x62\xc7\x82\x4f\xda\xfa\x2d\xd1\x9f\x8b\xfd\x28\xb6"
      "\x18\x0c\xdf\x3c\xb1\x74\x78\xab\xdd\xed\xe6\xbb\xc5\x60\x0a\x51\x0a\xa6"
      "\xc5\x54\xc8\x49\x49\xff\x71\xb3\x09\xe4\xf5\xe3\xaa\xa2\xf8\xb7\x3a\xb3"
      "\x27\xfd\xd4\xee\xec\xc9\xa1\xa7\x15\xa5\x3e\x29\x46\x72\x39\xf5\x55\xcc"
      "\x82\x7c\x6f\x42\xa8\x7c\xfe\xdf\x2d\x6a\xcc\x7a\x15\xe0\x95\x1f\xcd\xe9"
      "\xbf\xe9\xdd\x33\xfb\x3b\x27\xc6\xa4\x92\xde\xa0\xba\x2d\xf3\x47\x92\xbf"
      "\xca\x2a\x90\xeb\xab\xb8\xfa\x28\xe1\x6b\xe9\xbc\x3d\xda\xeb\x18\x72\x5d"
      "\x6e\x31\xa3\x6d\xd9\xcf\x1d\x89\x32\xc6\x38\x2f\x83\x98\x73\x1a\x46\xa0"
      "\x52\xc6\xbe\x8e\x2e\x6f\x4b\x58\x01\xd6\xfa\xbd\xbb\x6b\xc5\x60\x78\x71"
      "\xa7\xd7\xde\xce\xb7\xf3\xdb\x59\xb6\x71\x79\xfd\xd5\x59\x39\xa2\xe3\x87"
      "\xb0\xd3\xcd\xd7\x55\x30\x8d\xc4\x10\x8d\x87\x39\xa7\x8d\x60\xbc\x06\x7c"
      "\xf8\x3d\x3e\x22\x80\x0a\xa6\x66\x70\x06\x94\xcb\x75\x29\xee\x72\x5e\x3d"
      "\x1f\x24\x36\x20\x09\x72\xc3\x1a\xb6\xee\x0b\xdf\xbf\x2e\x5a\x4a\x8f\x6b"
      "\x5c\x60\x11\xb8\x3f\x32\xc3\x19\x76\xb7\x96\x31\xd5\x34\x37\xcc\xd2\x36"
      "\x51\xa4\xe2\xb4\x74\x30\x4f\x38\x26\x61\xb1\x1c\xb8\xd4\xb9\xd3\xdd\xda"
      "\x47\xa1\x5c\xda\x01\xda\xd7\x68\x1d\x52\xf3\x4e\x26\x8e\x69\x94\x6f\x5c"
      "\xf1\xcb\xdf\x17\xbb\x2c\x76\x53\xec\x81\xd8\x43\xb1\xee\xed\x72\x6f\x92"
      "\x2e\x2b\x7c\x11\x6f\x75\x04\x0b\x3c\x68\xf7\xfb\xbb\xe5\xe3\x65\x99\xd7"
      "\x32\xaf\x65\x4b\xbe\x73\x22\x5d\xdd\x6b\xa8\xdc\x4c\xea\x44\x44\x44\x44"
      "\x44\x44\x44\x44\xcc\x09\x7e\x05\x00\x00\xff\xff\x07\xa8\x4f\x0a",
      466);
  syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000000, /*flags=*/0,
                  /*opts=*/0x20000b00, /*chdir=*/1, /*size=*/0x1d2,
                  /*img=*/0x20000580);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0xc040565f, /*arg=*/0ul);
  res = syscall(__NR_inotify_init);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0xc004562f, /*arg=*/0ul);
  memcpy((void*)0x20000240, "./file0\000", 8);
  syscall(
      __NR_inotify_add_watch, /*fd=*/r[0], /*file=*/0x20000240ul,
      /*mask=IN_EXCL_UNLINK|IN_MOVED_FROM|IN_MOVE_SELF|IN_MODIFY*/ 0x4000842ul);
  syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0ul, /*flags=*/0ul,
          /*mode=*/0ul);
  memcpy((void*)0x20000000, "./bus\000", 6);
  syscall(__NR_creat, /*file=*/0x20000000ul, /*mode=*/0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}