// https://syzkaller.appspot.com/bug?id=f0d34594467ade2b45400cec1695433d001df373
// 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 = 0x0 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x11 (1 bytes)
  //    size: len = 0x6fd (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x6fd)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x200000000100, "./file1\000", 8);
  *(uint32_t*)0x200000000040 = 0;
  memcpy(
      (void*)0x200000000ac0,
      "\x78\x9c\xec\xdd\x4d\x6c\x1c\x57\x1d\x00\xf0\xff\xac\xd7\xf6\x6e\x2a\x1c"
      "\xb7\x4d\xd3\x20\x55\xaa\x69\xa5\x82\x88\x48\xe2\x58\x2e\x98\x4b\x0c\x42"
      "\xc8\x48\x15\x54\x41\x82\xb3\xd5\x38\x8d\x95\xcd\x07\xb6\x8b\xdc\x1e\x88"
      "\x0b\x48\x5c\x39\x70\x45\x2a\x07\x73\x81\x13\x08\x21\x21\x21\x45\x2a\xe2"
      "\x08\xb7\xc2\xcd\xe2\x54\x81\xe0\xd2\x53\xd2\x43\x07\xcd\xd7\x7a\xec\xee"
      "\x7a\xd7\x71\xfc\x51\xf8\xfd\xa2\xc9\xbc\x99\x37\xef\xcd\x7f\xfe\x33\xf3"
      "\x66\x77\x25\x6b\x02\xf8\xbf\xb5\x70\x3e\x9a\xf7\xa3\x1d\x0b\xe7\x5f\x59"
      "\xcf\x96\xb7\x36\x67\x3a\x5b\x9b\x33\xb7\x8a\x72\xa3\x13\x11\xe3\x11\xd1"
      "\x88\x68\xd6\x5a\x25\xef\x46\xcc\x47\x31\xc5\xa7\xb3\x15\x55\x45\xbf\xfd"
      "\xfc\x6c\x79\xee\xea\x7b\x1f\x6c\xbd\x5f\x2c\x35\xcb\xa9\x11\xc5\x7f\xed"
      "\xfe\x01\x36\x87\x39\x8a\x8d\x72\x8a\xa9\x88\x18\x29\xe7\x07\xb0\xa3\xbf"
      "\xd7\x1e\xad\xbf\xf1\xed\x62\xd2\xcd\x4c\x96\xb0\x17\xab\xc4\xc1\x71\x1b"
      "\x8d\x88\x74\x87\xef\x9d\xdd\xae\xe9\x25\x1d\xa9\x2d\xf4\xbd\xdf\x81\x4f"
      "\x8e\xa4\x78\x6e\xd6\x14\xf7\xff\x64\xc4\xa9\x88\x68\x55\x0f\xb4\x8d\xa2"
      "\xb2\x71\xf4\x11\x0e\xb4\xaf\xb1\x68\xe3\xf0\xe2\x00\x00\x00\x80\x13\xe3"
      "\xf4\x83\x7b\x11\xeb\x31\x71\xdc\x71\x00\x00\x00\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\x27\x49\xf9\xfe\xff\xa4\x9c\x1e\x56\xe5\xa9\x48\xaa\xf7\xff\x8f\xd5"
      "\xde\xb1\x3f\x76\xcc\xe1\xf6\xb7\x77\x64\xad\xaa\x70\xbf\x71\x14\xc1\x00"
      "\x00\x00\x00\x00\x00\x00\xc0\xe1\x7a\xfe\x41\xfc\xea\x6a\x9a\x4e\x54\xcb"
      "\x69\x12\x8d\xef\x8c\x94\x0b\xed\x72\xfe\x46\xac\xc6\x52\x33\xe2\x42\xac"
      "\xc7\x62\xac\xc5\x5a\xac\xc4\x74\x44\x4c\xd6\x3a\x1a\x5b\x5f\x5c\x5b\x5b"
      "\x99\x8e\x17\xf2\xa5\x33\x1f\xa6\x69\x1a\x4f\x14\x2d\x63\x65\x47\xcb\xcb"
      "\x3d\x5b\x5e\x1e\x32\xe0\xf6\x41\x8f\x18\x00\x00\x00\x00\x00\x00\x00\xfe"
      "\xa7\x5c\x99\x1d\xcf\xe7\x3f\x8c\x85\x98\x38\xee\x60\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xa0\x2e\x89\x18\x29\x66\xf9\x74\xa6\x2a\x4f\x46"
      "\xa3\x19\x11\xad\x88\x18\xcb\xb6\xdb\x88\xf8\x6b\x55\x3e\x41\x9a\xfb\x6d"
      "\x70\xff\x70\xe2\x00\x00\x00\x80\x13\xe5\xf4\x83\x78\x10\xeb\x31\x51\x2d"
      "\xa7\x49\xfe\x9d\xff\x6c\xfe\xbd\xbf\x15\x6f\xc4\xed\x58\x8b\xe5\x58\x8b"
      "\x4e\x2c\xc5\xb5\xfc\xb7\x80\xe2\x5b\x7f\x63\x6b\x73\xa6\xb3\xb5\x39\x73"
      "\x2b\x9b\x22\x62\x74\x67\xbf\x5f\xf9\xcf\x76\xf9\xb7\x13\x03\xc3\xc8\x7b"
      "\x8c\xe2\xb7\x87\xde\x7b\x3e\x97\x6f\xd1\x8e\xeb\xb1\x9c\xaf\xb9\x10\xaf"
      "\xc5\x9d\xe8\xc4\xb5\x68\xe4\x2d\x33\xe7\xaa\x78\x6a\x71\xd5\xbc\x9d\xc5"
      "\x94\x5c\x29\xa4\x69\x8c\x0f\x93\xa0\x6b\xe5\x3c\x3b\xf2\x9f\x96\xf3\x23"
      "\xd1\x1e\xb4\xc1\x64\x9e\x91\xd1\x6e\x46\x2e\x65\xb1\x25\x45\x1e\x9f\xdc"
      "\x3b\x13\xf5\xb3\x33\x84\xdd\x7b\x9a\x8e\x46\xf7\x97\x9f\x33\xfd\xf7\xd4"
      "\xfd\x31\xa6\xca\xf9\x95\x3d\xf7\x92\x7c\x94\xa6\x45\xe9\x54\xb5\x26\xe2"
      "\x89\x6f\xec\x99\xf3\xfc\x7a\x19\xdd\xd7\xc1\xf4\xf7\xb7\x3f\xff\xfb\x5b"
      "\x03\x36\xd9\x9d\x89\xcb\xb5\xab\xef\xec\xde\x39\x8f\xf8\xec\xef\x7e\xfd"
      "\xdd\x1b\x9d\xdb\x37\x6f\x24\x1b\xe7\x8f\xec\x32\x7a\x24\xcf\xf7\x5e\x3d"
      "\xfe\x8f\xea\x0c\x55\x99\x28\x6c\xc4\x52\xcc\xd4\x32\xf1\xec\xd0\x99\xb8"
      "\xbe\x7a\xc2\x33\xd1\xd7\xce\x5f\x1a\x1b\xf1\x4c\xb7\xbc\x10\x5f\x8f\x6f"
      "\xc7\xf9\x98\x8a\x57\x63\x25\x96\xe3\xfb\xb1\x18\x6b\xb1\x14\x53\xf1\xb5"
      "\xbc\xb4\x58\x5e\xcf\xd9\xff\x93\x7b\x67\x6a\x7e\xc7\xd2\xab\x83\x62\x1a"
      "\x2b\xcf\xcb\xc8\xae\x98\x3e\x73\xba\x98\xef\x15\xd3\x0b\x79\xdb\x89\x58"
      "\x8e\x6f\xc6\x9d\xb8\x16\x4b\xf1\x72\xfe\xef\x72\x4c\xc7\x17\x63\x36\x66"
      "\x63\xae\x76\x86\x9f\x19\x62\xa4\x6d\xf4\xb8\xeb\x7f\xdf\x3f\xf8\x17\x3f"
      "\x57\x16\xb2\x81\xef\x27\xdb\x03\xe0\xe3\xba\xbb\x0f\x20\xcb\xeb\x93\xb5"
      "\xbc\xd6\xc7\xdc\xc9\xbc\xae\xbe\xa6\x11\x69\xf9\x64\x79\x6a\x1f\xcf\xa3"
      "\xbd\xc7\xc6\xca\xf6\x23\x2b\x3b\x13\x3f\xaa\xdd\x83\xc7\xaf\x9b\x89\x56"
      "\x74\x9f\x12\x55\x74\x4f\x57\x19\x18\xed\x99\x89\x5f\xe4\xc3\xca\x6a\xe7"
      "\xf6\xcd\x95\x1b\x8b\x77\x77\xf5\x9b\x6c\xf4\xde\xdf\x4b\xb1\xf3\xf0\x4f"
      "\xce\x40\x92\x5d\x2f\x4f\x75\xc7\x88\x9d\x57\x47\x56\xf7\x74\xcf\xba\xe9"
      "\xbc\xee\x4c\xb7\xae\xb1\xbb\xee\x97\xed\x6e\xdd\xa0\x3b\x75\xac\xfc\x0c"
      "\xf7\xf1\x9e\x2e\xe7\x75\xcf\x46\xc4\xcf\xcb\x68\xb3\xba\x4c\x36\x86\x67"
      "\x75\xe7\x6a\xed\xb2\xcf\x5b\xad\xbc\xee\xc3\x34\x4d\x8b\xcf\x5b\x00\x9c"
      "\x50\x1f\xa5\xdd\x2f\x52\x9f\x3f\x35\xd6\xfe\x57\xfb\x2f\xed\x77\xda\x3f"
      "\x6e\xdf\x68\xbf\xd2\xfa\xea\xf8\x97\xc6\x9f\x1b\x8b\xd1\x3f\x8d\x7e\xb9"
      "\x79\x69\xe4\xa5\xc6\x73\xc9\x6f\xe2\x9d\xf8\x41\x0c\xfe\x86\x0e\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x0c\xb4\xfa\xe6\x5b\x37\x17\x3b\x9d\xa5\x95\x5d\x85\x34\x4d"
      "\xef\xf5\xa9\x3a\x94\x42\x34\x23\x76\xac\xf9\xe3\x1f\x6a\xdb\xe4\xef\x1a"
      "\x8b\x88\xe1\x3b\xcc\xb6\x9e\x6f\x44\xe4\x6b\x9a\x51\x16\x86\x68\xfe\xcf"
      "\x88\x28\xd7\xdc\x7b\xb4\xc3\x79\xbb\x57\xd5\x78\x0c\x6e\xfe\xf7\xf2\x9c"
      "\x1c\x49\xc2\xf7\x28\x24\x43\x6f\xdc\xea\x7b\xfd\x94\x85\x3b\x9f\x2a\x0f"
      "\xe7\x61\x9a\xa6\x47\x7e\x38\xd5\xbb\xda\xf6\xdd\x3c\x2d\x1d\xdb\x29\x78"
      "\xcc\x85\xea\x15\x59\x1f\xab\x4a\x9a\x11\x7d\x5a\x1d\xcb\x70\x04\x1c\xa1"
      "\x8b\x6b\xb7\xee\x5e\x5c\x7d\xf3\xad\x2f\x2c\xdf\x5a\x7c\x7d\xe9\xf5\xa5"
      "\xdb\x73\xb3\xb3\x73\x97\xe6\x66\x5f\x9e\xb9\x78\x7d\xb9\xd3\x3a\xee\xf0"
      "\x80\x43\x94\x3f\xeb\xf3\xcf\x39\xc7\x1d\x09\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x30\xac\xe1\xfe\x38\x27\xb9\xb9\x18\xc5\x9a\x66\xaf\xbf\x22\x18"
      "\xd4\x1c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x00\x16\xce\x47\xf3\x7e\x24\x31\x7d\xe9\xc2\xa5"
      "\x6c\x79\x6b\x73\xa6\x93\x4d\x55\x39\x9b\x8f\xe4\x5b\x3e\x8c\x88\x46\x44"
      "\x24\x53\x11\xc9\xbb\x11\xf3\x51\x4c\x31\x59\xeb\x2e\xe9\xb7\x9f\x8d\x88"
      "\xab\xef\x7d\xb0\xf5\x7e\xb1\xd4\x2c\xa7\x7c\xfb\xc6\xc1\x8f\x62\xa3\x9c"
      "\x62\xaa\x0c\x77\xaa\xf7\x76\xad\x5e\x2b\xd3\x7b\xfd\xfa\x4b\xf2\x7e\xee"
      "\xf6\xef\x6f\x48\x49\x39\x8d\x74\xd7\xcc\x1f\xa8\x3f\x78\x4c\xfe\x1b\x00"
      "\x00\xff\xff\xce\x2f\x0e\x90",
      1789);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000100, /*flags=*/0,
                  /*opts=*/0x200000000040, /*chdir=*/0x11, /*size=*/0x6fd,
                  /*img=*/0x200000000ac0);
  //  creat arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    mode: open_mode = 0x182 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x2000000000c0, "./bus\000", 6);
  syscall(__NR_creat, /*file=*/0x2000000000c0ul,
          /*mode=S_IWOTH|S_IWUSR|S_IRUSR*/ 0x182ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x181242 (4 bytes)
  //    mode: open_mode = 0x148 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000180, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000180ul,
          /*flags=O_TRUNC|O_SYNC|O_CREAT|O_CLOEXEC|O_RDWR*/ 0x181242,
          /*mode=S_IXGRP|S_IXUSR|S_IRUSR*/ 0x148);
  //  rename arguments: [
  //    old: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    new: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //  ]
  memcpy((void*)0x200000000440, "./bus\000", 6);
  memcpy((void*)0x2000000003c0, "./file1\000", 8);
  syscall(__NR_rename, /*old=*/0x200000000440ul, /*new=*/0x2000000003c0ul);
  //  rename arguments: [
  //    old: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    new: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //  ]
  memcpy((void*)0x200000000440, "./bus\000", 6);
  memcpy((void*)0x2000000003c0, "./file1\000", 8);
  syscall(__NR_rename, /*old=*/0x200000000440ul, /*new=*/0x2000000003c0ul);
}
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;
}