// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26
// 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
#ifndef __NR_pwritev2
#define __NR_pwritev2 328
#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;
    }
  }
}

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*)0x200000000080, "./bus\000", 6);
  memcpy(
      (void*)0x200000000280,
      "\x78\x9c\xec\xdd\x4b\x6c\x1c\x67\x1d\x00\xf0\xff\xac\xd7\xeb\xb5\x81\xd4"
      "\x69\xd3\xa4\xa0\x48\x5d\x35\x52\x41\x58\x24\x76\x8c\x0b\xe6\x42\x40\x08"
      "\x7c\xa8\x50\x55\x0e\x9c\x57\x89\xd3\x58\xde\x38\x95\xbd\x45\x4e\x84\x88"
      "\xc3\xe3\xce\xa1\x07\xc4\xa9\x20\xe5\x56\x71\x40\xe5\x1e\x09\xce\x54\x95"
      "\x50\x25\x4e\x3e\x70\xa8\x84\x94\x03\x39\xf9\x80\xb4\x68\x66\x67\x1f\xb6"
      "\xd7\xfb\x70\xfc\x02\x7e\xbf\x68\x66\xbe\x99\xef\x39\xff\x79\xed\x7a\x15"
      "\x4d\x00\xff\xb7\x96\x66\xa2\xf8\x24\x92\x58\x9a\x79\x73\x33\x5d\xdf\xfe"
      "\xfb\xbf\x1a\x99\x66\x76\x2d\x22\x4a\x11\x51\x88\x28\x36\x17\x91\xac\xe5"
      "\x55\x3f\x7f\x39\x6e\xa4\xcb\x2f\xa6\x1b\xf3\x6d\xc9\x41\xfd\xbc\xbf\xb2"
      "\xf8\xf6\xa7\xcf\xb6\x3f\x6b\xae\x15\xf3\x29\x2b\x9f\xf4\xab\xd7\x43\x69"
      "\xff\xa6\xad\x7c\x8a\x4a\x44\x8c\xe5\xcb\x7d\xca\x07\xb5\xf8\xd1\xde\xee"
      "\x77\xb5\x77\xf3\xa0\xf6\x86\xd6\xd9\xc3\x34\x60\x57\xf2\x65\xc4\x6f\x9f"
      "\xab\x55\x78\x6e\x8d\x7d\xb6\xda\x79\x1f\xfe\x2d\x9b\xf7\xab\x3e\xca\x75"
      "\x0b\x9c\x51\x49\xf3\xb9\xb9\xcf\x74\xc4\x54\xf7\xa3\x33\xbf\x3b\x14\x4e"
      "\x6e\x64\xc7\x63\xeb\xb4\x07\x00\x00\x00\x00\xa3\x9a\x1c\xbd\xca\x0b\x3b"
      "\xb1\x13\x9b\x71\xee\x38\x86\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff"
      "\xab\xf2\xf7\xff\x27\xf9\x54\x68\xa5\x2b\x91\xb4\xde\xff\x5f\xca\xb7\x45"
      "\x9e\x3e\x83\x06\xbf\x08\xf1\x93\x89\xe6\xf2\xc9\xf1\x0f\x06\x00\x00\x00"
      "\x00\x00\x00\x00\x8e\xdd\xab\x3b\xb1\x13\x9b\x71\xae\xb9\x56\x8c\x46\x92"
      "\xfd\xe6\xff\x5a\xd7\x6f\xfc\x9f\x8b\xf7\x62\x23\x96\x63\x3d\xae\xc6\x66"
      "\x54\xa3\x1e\xf5\x58\x8f\xb9\x88\x98\xee\x6a\xa8\xb4\x59\xad\xd7\xd7\xe7"
      "\xb2\x9a\x11\x17\xfa\xd4\xbc\x1e\x1f\x77\xd7\x2c\x45\x44\xbd\xbe\x7e\xfd"
      "\xe0\x31\xde\x38\xfa\xdd\x06\x00\x00\x00\x00\x00\x00\x80\xb3\xac\x3c\x20"
      "\x7f\x75\x7c\xff\xb6\x9f\xc7\x52\xeb\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\x1b\x92\x88\xb1\xe6\x22\x9b\x2e\xb4\xd2\xd3\x51\x28"
      "\x46\x44\xb9\x55\x6e\x2b\xe2\xe3\x88\x28\x9d\xee\x68\x47\x92\xf4\xda\xf8"
      "\xe4\xe4\xc7\x01\x00\x00\x00\xcf\xa5\xbc\x7b\x35\x29\x0f\x51\xe7\x85\x87"
      "\xb1\x13\x9b\x71\xae\xb5\xde\x48\xb2\xef\xfc\x17\xb3\xef\xcb\xe5\x78\x2f"
      "\xd6\xa2\x1e\x2b\x51\x8f\x5a\x2c\xc7\xad\xfc\x3b\x74\xfa\xad\xbf\xb0\xfd"
      "\x78\xbe\xb6\xfd\x78\xfe\x6e\x3a\xed\xe9\x78\xf4\xa1\x67\x2d\x46\xf3\x6f"
      "\x0f\xbd\x7b\x7e\x25\x2b\x31\x19\xb7\x63\x25\xdb\x72\x35\x6e\x46\x12\x8d"
      "\x4c\x21\x6f\xe5\x95\xed\xc7\xf3\xe9\xf2\x6e\xef\x71\x3d\x7a\x9a\xb6\xfd"
      "\xed\x5c\x9f\xd1\x8c\x75\xa5\x6f\xa5\xb3\x4b\x1f\x65\xe9\x5f\xef\xde\xb9"
      "\xe2\xe8\xfb\x39\xba\xc2\x81\x39\xd3\x59\xee\x78\x3b\x22\xb3\xf9\xd8\xd2"
      "\x1a\xe7\x5b\x11\xe8\x1d\x89\xef\x3c\x1d\xd0\x6b\xb1\x6f\x4f\x73\x51\x68"
      "\xff\xe5\xe7\x42\xff\x9e\x7a\xc7\xfc\x51\x8f\x2e\xc7\x3b\xc9\xa9\x3d\xa5"
      "\x0e\x71\x42\x1d\x93\xbd\x91\xb8\x1e\x85\xf6\x11\xba\xd8\x3f\x12\x11\x5f"
      "\xfe\xd3\x87\x3f\xbe\x53\x5b\x5b\xbd\x73\x7b\x63\xe6\xec\xec\x52\x4f\x0f"
      "\x07\x96\x68\x47\xe2\xeb\xad\xdb\x4c\x27\x12\x97\x86\x8e\xc4\xe4\x51\x0f"
      "\xfc\x08\x8d\x0f\x59\x6e\x36\xdb\xf7\x97\xdb\xeb\x4b\xf1\xfd\xf8\x51\xcc"
      "\xc4\xd3\x89\xb7\x62\x3d\x56\xe2\x27\x51\x8d\x7a\x2c\x57\x5a\xf9\xd5\xfc"
      "\x7c\x4e\xe7\xd3\xfd\x23\xf5\xc9\x54\xf7\xda\x5b\x83\x46\x92\x5e\x93\x95"
      "\xf6\xfd\xab\xd7\x98\x2a\xb1\x6b\x4c\x51\x89\xef\x65\xa9\x6a\xbc\x96\x1d"
      "\xd3\x73\xb1\x12\x49\xdc\x8b\x88\xe5\x78\x23\xfb\x77\x3d\xe6\xda\x77\x83"
      "\xce\x11\x7e\x79\x88\xab\xbe\x30\xc4\x9d\xb6\xcb\x95\xaf\x64\x8b\x76\x98"
      "\xa2\xcf\xb9\xf1\x87\xe1\x9a\x3c\x2a\x69\x5c\xcf\x77\xc5\xb5\xfb\x9e\x3b"
      "\x9d\xe5\x75\x6f\xe9\x44\xe9\xc5\x9e\x51\x6a\x3d\xeb\xf6\xdf\x1b\xcb\x83"
      "\x1f\x2a\xc5\x2f\xe5\x89\xb4\x85\x5f\xf4\x7d\x3e\x9c\xb4\xbd\x91\x98\xeb"
      "\x8a\xc4\x4b\x07\x9d\x2f\xcd\x90\xfe\xae\x91\xce\x37\x6a\x6b\xab\xeb\x77"
      "\xaa\xef\x0e\xd9\xdf\xeb\xf9\x32\xbd\x8e\x7e\x75\xa6\x9e\x12\xa5\x78\x14"
      "\x2f\x46\x39\xdf\xb9\xf3\xd9\x3c\xc9\xae\xa9\xd9\xec\xe8\xbf\xd4\x3e\xce"
      "\xbb\xe3\x55\xca\x7f\x71\x69\x2a\xec\xcd\xfb\xc1\x6f\xda\xf5\x9a\x57\xea"
      "\x0f\xe3\x5e\xdc\xda\x75\xa5\x7e\x23\x16\x62\x21\x16\xb3\x96\x2e\x66\xa5"
      "\xc7\xf7\x3d\xb1\xd2\xbc\x4b\xed\x96\xba\xf3\xe6\xb3\xbc\xf4\x93\x56\xb1"
      "\xfd\xc3\x4e\xf7\xe7\xad\x7b\x51\xcb\x3e\x0f\xfd\xfe\x64\xc3\x09\xc0\xa8"
      "\xa6\xbe\x3a\x55\x9a\xfc\xe7\xe4\x5f\x27\x3f\x98\xfc\xe5\xe4\x9d\xc9\x37"
      "\xcb\xdf\x9d\xf8\xe6\xc4\xe5\x52\x8c\xff\x65\xfc\x5b\xc5\xd9\xb1\xd7\x0b"
      "\x97\x93\x3f\xc6\x07\xf1\xb3\xce\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\xf0\x36"
      "\xee\x3f\x58\xad\xd6\x6a\xcb\xeb\xbd\x13\x85\xde\x59\x49\xff\x5a\xd5\x5a"
      "\xa3\xf5\x22\xb1\x3e\x65\x76\x25\x92\xfc\x55\x39\x43\x14\x4e\x36\xee\x3f"
      "\x68\x0c\x6c\xb0\x7f\x62\x22\x1f\xde\x08\xb5\xfe\x3d\x6a\x5f\x0f\x63\xa8"
      "\xc2\xad\xd7\xa8\xf5\x2d\x3c\x11\x0f\x56\xab\x95\xc3\xef\xf2\x56\x7a\x28"
      "\xfa\x95\x49\xb6\xf6\x1e\xaf\xf2\xe0\x63\xd1\x7a\xcb\xd3\x10\xc3\x48\xf6"
      "\x05\x3c\xad\x7c\xe8\x23\xd8\xea\xb9\xb3\x65\xfc\x90\x67\xc2\x71\x26\x2a"
      "\x47\xd7\x60\xeb\x84\xed\xca\x1a\xfe\xec\xfd\xc7\x17\x9a\x95\x1b\x49\x8f"
      "\xe3\x35\x16\x11\xbd\x6a\x0d\xb8\x71\x34\xdf\x71\x75\x96\xdf\xe3\x07\x0c"
      "\x70\xad\x7e\xf7\xdd\x6b\x1b\xf7\x1f\x7c\x6d\xe5\x6e\xf5\x9d\xe5\x77\x96"
      "\xd7\xc6\x17\x16\x16\x67\x17\x17\xde\x98\xbf\x76\x7b\xa5\xb6\x3c\xdb\x9c"
      "\x77\x55\x38\x91\x97\xdf\x02\x27\xa1\xfb\xe3\x44\x5b\x29\x22\x5e\x1d\x5c"
      "\xd7\xc3\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\xc7\x49\xfc\x5f\x88"
      "\xd3\xde\x47\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xe0\xbf\xdb\xd2\x4c\x14\x9f\x44\x12\x73\xb3\x57"
      "\x67\xd3\xf5\xed\xc7\xf3\xb5\x74\x6a\xa5\x3b\x25\x8b\x11\x51\x88\x88\xe4"
      "\xa7\x11\xc9\x9f\x23\x6e\x44\x73\x8a\xe9\xae\xe6\x92\x83\xfa\x79\x7f\x65"
      "\xf1\xed\x4f\x9f\x6d\x7f\xd6\x69\xab\x18\x63\xcd\xf2\x85\x88\xad\x03\xeb"
      "\x0d\x67\x2b\x9f\xa2\x12\x91\x36\x9b\x2d\x8f\xaa\xbd\x9b\x83\xdb\x2b\x75"
      "\x92\x13\x3d\xb2\x93\x76\x64\xd2\x80\x5d\x69\x05\x0e\x4e\xdb\x7f\x02\x00"
      "\x00\xff\xff\x1f\x35\xec\x61",
      1807);
  syz_mount_image(
      /*fs=*/0x200000000000, /*dir=*/0x200000000080,
      /*flags=MS_SYNCHRONOUS|MS_RELATIME|MS_RDONLY|MS_NOSUID*/ 0x200013,
      /*opts=*/0x2000000023c0, /*chdir=*/0x53, /*size=*/0x70f,
      /*img=*/0x200000000280);
  memcpy((void*)0x200000000000, ".\000", 2);
  syscall(
      __NR_mount, /*src=*/0ul, /*dst=*/0x200000000000ul, /*type=*/0ul,
      /*flags=MS_LAZYTIME|MS_POSIXACL|MS_REMOUNT|MS_NODEV|MS_MOVE*/ 0x2012024ul,
      /*data=*/0ul);
  memcpy((void*)0x200000000080, "./bus\000", 6);
  res = syscall(
      __NR_open, /*file=*/0x200000000080ul,
      /*flags=O_SYNC|O_NOATIME|O_CREAT|O_RDWR|0x400000000*/ 0x400141042ul,
      /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x200000000240 = 0x200000000000;
  memset((void*)0x200000000000, 132, 1);
  *(uint64_t*)0x200000000248 = 1;
  syscall(__NR_pwritev2, /*fd=*/r[0], /*vec=*/0x200000000240ul, /*vlen=*/1ul,
          /*off_low=*/0x1ffffff, /*off_high=*/0, /*flags=RWF_DSYNC*/ 2ul);
}
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;
}