// https://syzkaller.appspot.com/bug?id=b85721b38583ecc6b5e72ff524c67302abbc30f3
// 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_bpf
#define __NR_bpf 321
#endif
#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, destlen);
}

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

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

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

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  errno = err;
  return res;
}

static void 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 (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      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;
  memcpy((void*)0x20000740, "ext4\000", 5);
  memcpy((void*)0x20000680, "./bus\000", 6);
  memcpy((void*)0x20000180,
         "\x00\x61\x02\x1d\x30\x7a\x96\x1d\xa7\x91\x80\x40\x12\x71\xe3\xfa\x98"
         "\x00\x80\x00\x00\x1d\x39\x02\xcc\xfd\x56\x9a\x58\xcb\x15\xc0\x16\x09"
         "\x38\x93\xc9\xe4\xab\xd0\x2b\xc4\xf1\x49\x25\x14\xfa\x2d\xfe\xbc\x80"
         "\x01\x00\x00\x80\x00\x00\x00\x00\x8a\x10\x49\xca",
         63);
  memcpy(
      (void*)0x20002040,
      "\x78\x9c\xec\xdc\xcf\x6b\x1c\x65\x1f\x00\xf0\xef\x4c\xb3\xfd\x99\xf7\xdd"
      "\xbc\xf0\x1e\xd4\x83\x08\x2d\xb4\x50\x3a\x49\x9a\x4b\x7b\x32\x5e\xbc\x15"
      "\x0a\x05\xaf\x35\x24\x93\x10\x32\xc9\x86\xec\xa6\x76\x63\xc1\xd6\xb3\x50"
      "\x9b\x8b\x82\x20\x7a\xf7\xe8\x55\x28\xf5\x0f\xf0\x26\x05\x05\xef\x82\x68"
      "\x8d\x07\xf1\xb2\x32\x9b\x4d\x6a\xe3\x6e\xba\x6d\x93\x6e\x49\x3f\x1f\x98"
      "\xcc\xf7\x99\x1f\xfb\x7d\xbe\xd9\xd9\x67\x77\x60\x9f\x0d\xe0\xa5\xf5\x46"
      "\xf9\x27\x89\x18\x8e\x88\xcb\x11\x51\xed\x6c\x4f\x23\xe2\x70\x3b\x3a\x1a"
      "\x71\x73\xf3\xb8\x8d\x07\x37\xa6\xcb\x25\x89\x56\xeb\xca\xaf\x49\x79\x5a"
      "\x6c\xb4\xaa\xdb\x8f\x95\x74\xd6\x27\xa2\x7d\x4a\xbc\x12\x11\xf7\x2a\x11"
      "\x67\x3f\xfc\x77\xde\x7a\x73\x6d\x61\xaa\x28\xf2\x95\x4e\x7b\xb4\xb1\xb8"
      "\x3c\x5a\x6f\xae\x9d\x9b\x5f\x9c\x9a\xcb\xe7\xf2\xa5\xf1\x89\x8b\x63\x17"
      "\x26\x26\x2e\x8c\x4d\xec\x59\xad\xa7\xde\xb9\x78\xec\xce\x77\x6f\xaf\xaf"
      "\x7f\xff\x75\xe3\xf6\xeb\x43\xe7\x92\x98\x6c\xd7\x1d\x9d\xda\xf6\x2c\xd1"
      "\x3f\x6c\xfe\x4f\x2a\x31\xb9\x63\xfb\xd2\x7e\x24\x1b\xa0\x64\xd0\x1d\x00"
      "\x00\xa0\x2f\xe5\xe7\xfc\x43\x11\x31\xd4\xfe\x94\x5a\x8d\x43\xed\x08\x00"
      "\x00\x00\x38\x48\x5a\x47\x5a\x00\x00\x00\xc0\x81\x97\xc4\xa0\x7b\x00\x00"
      "\x00\x00\xec\xaf\xad\xef\x01\x6c\xcd\xed\xdd\xaf\x79\xb0\xbd\xfc\xf2\x56"
      "\x44\x8c\x74\xcb\x3f\xd4\x9e\x43\x1c\x71\x34\x2a\x11\x71\x7c\x23\x79\x64"
      "\x66\x42\xb2\x79\x1a\x3c\x93\x9b\xb7\x22\xe2\xee\x64\x97\xeb\x2f\xe9\x5c"
      "\x7f\x4f\x6f\x6c\x47\xdb\x1c\xe9\x17\xcf\xdd\x72\xfc\x99\xec\x36\xfe\xa4"
      "\xdb\xe3\x4f\x74\x19\x7f\x86\xb6\x7e\x3b\xe1\x19\xf5\x1e\xff\x1e\xe6\x3f"
      "\xd4\x63\xfc\xbb\xdc\x67\x8e\x6f\x3e\x7f\xb5\xd2\x33\xff\xad\x88\xd7\x86"
      "\xba\xe5\x4f\xb6\xf3\x27\x3d\xf2\xbf\xdb\x67\xfe\xdb\xeb\x1f\xdd\xe9\xb5"
      "\xaf\xf5\x65\xc4\xe9\x47\xdf\x7f\x8e\xed\x3c\x26\xd9\xfd\xf7\x21\x46\x67"
      "\xe7\x8b\x5d\x5f\x5a\xf7\xfe\x3a\x73\xbf\xd7\xbe\xb2\xfe\xe3\x5d\xdf\xff"
      "\x92\xce\x0b\xb6\x77\xfd\xcb\x7d\xd6\xff\xfe\xc6\xef\x0b\xbd\xc6\x92\x32"
      "\xff\x99\x93\xbb\x3f\xff\xdd\xf2\x97\xd7\xc4\xc7\x9d\x7e\xa4\x11\x71\xa7"
      "\xb3\x2e\xdb\xeb\x3b\x72\x9c\x5c\xfc\xe1\xdb\xdd\xea\x9f\xe9\x51\xff\xe3"
      "\x9e\xff\x2f\xfa\xac\xff\xa7\xaf\x8e\x5c\xef\xf3\x50\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x68\x4b\x23\x62\x38\x92\x34\xdb\x8e\xd3\x34\xcb\x22\x4e"
      "\x44\xc4\xff\xe3\x78\x5a\xd4\xea\x8d\xb3\xb3\xb5\xd5\xa5\x99\x72\x5f\xc4"
      "\x48\x54\xd2\xd9\xf9\x22\x1f\x8b\x88\xea\x66\x3b\x29\xdb\xe3\xed\xf8\x61"
      "\xfb\xfc\x8e\xf6\x44\x44\xfc\xef\xc7\x63\x9b\x49\xe7\x8b\x3c\x9b\xae\x15"
      "\x33\x83\x2e\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\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\x6d\x27\x22\x62\x38"
      "\x92\x34\x8b\x88\x34\x22\xfe\xa8\xa6\x69\x96\x0d\xba\x57\x00\x00\x00\xc0"
      "\x9e\x1b\x19\x74\x07\x00\x00\x00\x80\x7d\xe7\xfe\x1f\x00\x00\x00\x0e\xbe"
      "\xa7\xbd\xff\x4f\xf6\xb8\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\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x81\x76\xf9\xd2"
      "\xa5\x72\x69\x6d\x3c\xb8\x31\x5d\xb6\x67\xae\x35\x57\x17\x6a\xd7\xce\xcd"
      "\xe4\xf5\x85\x6c\x71\x75\x3a\x9b\xae\xad\x2c\x67\x73\xb5\xda\x5c\x91\x67"
      "\xd3\xb5\xc5\xc7\x3d\x5e\x51\xab\x2d\x8f\x5f\x8c\xd5\xeb\xa3\x8d\xbc\xde"
      "\x18\xad\x37\xd7\xae\x2e\xd6\x56\x97\x1a\x57\xe7\x17\xa7\xe6\xf2\xab\x79"
      "\xe5\xb9\x54\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x93\x1a\x6e\x2f\x49"
      "\x9a\x45\x44\xda\x8e\xd3\x34\xcb\x22\xfe\x13\x11\x23\x51\x49\x66\xe7\x8b"
      "\x7c\x2c\x22\xfe\x1b\x11\xf7\xab\x95\x23\x65\x7b\x7c\xd0\x9d\x06\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\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\xcf\xd5\x9b\x6b\x0b\x53\x45\x91\xaf\x08\x04"
      "\x82\xe7\x16\x7c\x10\x11\x2f\x40\x37\x76\x09\x06\x3d\x32\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x30\x08\xf5\xe6\xda\xc2\x54\x51\xe4\x2b\xf5\x41\xf7\x04"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\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\xc1\x4a\x7f\x4e\x22\xa2\x5c\x4e\x57"
      "\x4f\x0d\xef\xdc\x7b\x38\xf9\xb3\xda\x5e\x47\xc4\x7b\x9f\x5d\xf9\xe4\xfa"
      "\x54\xa3\xb1\x32\x5e\x6e\xff\x6d\x7b\x7b\xe3\xd3\xce\xf6\xf3\x83\xe8\x3f"
      "\x00\x00\x00\xbc\x14\xde\x7c\x92\x83\xb7\xee\xd3\xb7\xee\xe3\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfa\x55\x6f\xae\x2d\x4c"
      "\x15\x45\xbe\xb2\x8f\xc1\xa0\x6b\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9e\xce\xdf\x01\x00\x00\xff"
      "\xff\x0b\xfd\xc5\x75",
      1859);
  syz_mount_image(0x20000740, 0x20000680, 0x804810, 0x20000180, 1, 0x743,
                  0x20002040);
  memcpy((void*)0x20000080, "./file0\000", 8);
  syscall(__NR_chdir, 0x20000080ul);
  memcpy((void*)0x200000c0, "./bus\000", 6);
  syscall(__NR_open, 0x200000c0ul, 0x14da42ul, 0ul);
  memcpy((void*)0x20000380, "/dev/loop", 9);
  *(uint8_t*)0x20000389 = 0x30;
  *(uint8_t*)0x2000038a = 0;
  memcpy((void*)0x200003c0, "./bus\000", 6);
  syscall(__NR_mount, 0x20000380ul, 0x200003c0ul, 0ul, 0x1000ul, 0ul);
  memcpy((void*)0x20000400, "./bus\000", 6);
  res = syscall(__NR_open, 0x20000400ul, 0x14103eul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(__NR_mmap, 0x20000000ul, 0x600000ul, 0x47ffffful, 0x11ul, r[0], 0ul);
  *(uint32_t*)0x20000300 = -1;
  *(uint32_t*)0x20000304 = 0;
  *(uint32_t*)0x20000308 = 0;
  *(uint32_t*)0x2000030c = 0;
  *(uint64_t*)0x20000310 = 0;
  *(uint64_t*)0x20000318 = 0;
  *(uint32_t*)0x20000320 = 0;
  *(uint32_t*)0x20000324 = 0;
  *(uint32_t*)0x20000328 = 0;
  *(uint32_t*)0x2000032c = 0x25;
  *(uint64_t*)0x20000330 = 0;
  *(uint64_t*)0x20000338 = 0x20000440;
  memcpy((void*)0x20000440,
         "\x71\x9e\x5c\xf3\x3c\x60\xb5\xbe\xa0\x90\xd9\xb1\xbd\x19\x3e\x79\xdb"
         "\x8f\x59\x3d\x34\x20\xa9\x28\xb0\xe2\x4b\xbb\x79\x80\xd3\xff\x9b\xd9"
         "\x4a\x42\xb1",
         37);
  *(uint32_t*)0x20000340 = 0;
  *(uint32_t*)0x20000344 = 0;
  syscall(__NR_bpf, 0xaul, 0x20000300ul, 0x48ul);
  *(uint32_t*)0x20000a40 = 0;
  *(uint32_t*)0x20000a44 = 6;
  *(uint64_t*)0x20000a48 = 0x20000480;
  memcpy((void*)0x20000480,
         "\x18\x55\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x81"
         "\x73\xff\xff\x1f\x65\x04\x00\x00\x00\x18\x00\x00\x1f\x04\x00\x00\x00"
         "\x00\x00\x00\x00\x01\x00\x1b\x75\x5a\xda\x81\xc6\xa4\x1b\x1d\x32\x3a"
         "\xf7\x3a\x6a\xe2\x01\x64\x7b\xe2\x94\xa3\x9e\xe6\x60\x8b\x0f\x37\xc8"
         "\xd8\x86\x32\x32\x11\x44\x56\x66\x35\xd9\x08\xdb\xf4\xb6\xc0\xb4\xea"
         "\x01\x8b\x4f\xce\xe0\x6d\x65\xf7\x03\x2b\x96\x9e\x85\xbf\x3a\x79\x27"
         "\x76\x79\xb6\x1e\xe8\xef\xb0\x97\xd8\xb3\x3c\x73\x33\x59\xb3\x29\x3e"
         "\x58\x09\xa9\x4a\xf2\x2e\x2e\x19\x91",
         128);
  *(uint64_t*)0x20000a50 = 0;
  *(uint32_t*)0x20000a58 = 0;
  *(uint32_t*)0x20000a5c = 0;
  *(uint64_t*)0x20000a60 = 0;
  *(uint32_t*)0x20000a68 = 0;
  *(uint32_t*)0x20000a6c = 0;
  memset((void*)0x20000a70, 0, 16);
  *(uint32_t*)0x20000a80 = 0;
  *(uint32_t*)0x20000a84 = 0;
  *(uint32_t*)0x20000a88 = -1;
  *(uint32_t*)0x20000a8c = 8;
  *(uint64_t*)0x20000a90 = 0;
  *(uint32_t*)0x20000a98 = 0;
  *(uint32_t*)0x20000a9c = 0x10;
  *(uint64_t*)0x20000aa0 = 0;
  *(uint32_t*)0x20000aa8 = 0;
  *(uint32_t*)0x20000aac = 0;
  *(uint32_t*)0x20000ab0 = 0;
  *(uint32_t*)0x20000ab4 = 0;
  *(uint64_t*)0x20000ab8 = 0;
  syscall(__NR_bpf, 5ul, 0x20000a40ul, 0x80ul);
  memcpy((void*)0x20000200, "./file0\000", 8);
  syscall(__NR_unlink, 0x20000200ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  loop();
  return 0;
}