// 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$hfsplus arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 70 6c 75 73 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {13 13 77 c5 fc 35 d4 14 54 d5 d4 1d 29 ad 1a 60 29 59 81 46
  //      e6 be 16 6e 41 ad 0d bd 40 54 03 3c 9f 33 bb da 82 24 a2 f3 d7 72 e7
  //      63 6e 48 b3 3c bf 70 83 72 e8 f1 b9 93 3e c5 12 77 43 be 22 06 20 9e
  //      f0 2d f9 cb f2 f6 e8 80 d3 38 2f 00} (length 0x4e)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x6f2 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x6f2)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x20000000bc40,
         "\023\023w\305\3745\324\024T\325\324\035)\255\032`)"
         "Y\201F\346\276\026nA\255\r\275@T\003<\2373\273\332\202$"
         "\242\363\327r\347cnH\263<\277p\203r\350\361\271\223>"
         "\305\022wC\276\"\006 \236\360-\371\313\362\366\350\200\3238/\000",
         78);
  memcpy(
      (void*)0x200000000ac0,
      "\x78\x9c\xec\xdd\x4f\x6c\x1c\x57\x19\x00\xf0\x6f\xd6\x6b\x7b\x37\x55\x1d"
      "\xb7\x4d\xd3\x20\x55\xaa\x69\x51\x41\x58\x24\xb1\x2d\x17\xcc\x25\x06\x21"
      "\x64\xa4\x0a\xaa\x20\xc1\xd9\x6a\x9c\xc6\xca\xe6\x0f\xb6\x8b\xdc\x1e\xb0"
      "\x0b\x48\x5c\x39\x70\x45\x2a\x07\x73\x81\x13\x08\x21\x21\x21\x45\x2a\x67"
      "\xb8\x55\xdc\x2c\x4e\x15\x48\x5c\x7a\x4a\x7a\x60\xd0\xfc\x5b\xaf\xdd\xdd"
      "\xf5\x3a\xae\xbd\x2e\xfc\x7e\xd1\x64\xde\xbc\x37\xef\xcd\x37\xdf\xcc\xbe"
      "\xd9\x5d\xc9\xda\x00\xfe\x6f\x2d\x4d\x47\xfd\x41\x34\x63\x69\xfa\xd5\xcd"
      "\x6c\x7b\x77\x67\xae\xb5\xbb\x33\x77\xa7\x28\xd7\x5a\x11\x31\x1e\x11\xb5"
      "\x88\x7a\x47\xaf\xe4\xbd\x88\xc5\x28\x96\xf8\x4c\x56\x51\x35\xf4\x3a\xce"
      "\x2f\x56\x17\xae\xbf\xff\xe1\xee\x07\xc5\x56\xbd\x5c\x6a\x51\xfc\xd7\xec"
      "\x1d\x60\x7d\x90\xb3\xd8\x2e\x97\x98\x8a\x88\x91\x72\x7d\x0c\xfb\xc6\x7b"
      "\xfd\xf1\xc6\x1b\xdf\x2b\x26\xed\xcc\x64\x09\x7b\xa9\x4a\x1c\x0c\xdb\x68"
      "\x44\xa4\xfb\xfc\xe0\xe2\x5e\x4b\x37\xe9\x48\xc7\x46\xcf\xd7\x3b\xf0\xe9"
      "\x91\x14\xcf\xcd\x0e\xc5\xeb\x7f\x32\xe2\x5c\x44\x34\xaa\x07\xda\x76\xd1"
      "\x58\x3b\xfd\x08\x0f\x75\xa4\xb9\x68\xfb\xe4\xe2\x00\x00\x00\x80\x33\xe3"
      "\xfc\xc3\xad\x88\xcd\x98\x18\x76\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"
      "\xf0\x69\x52\xfe\xfe\x7f\x52\x2e\x8f\xaa\xf2\x54\x24\xd5\xef\xff\x7f\xae"
      "\x63\xf7\xb1\x21\x86\xda\x5f\xff\xc8\x1a\x55\xe1\x41\xed\x34\x82\x01\x00"
      "\x00\x00\x00\x00\x00\x80\x93\xf5\xc2\xc3\xf8\xcd\xf5\x34\x9d\xa8\xb6\xd3"
      "\x24\x6a\xdf\x1b\x29\x37\x9a\xe5\xfa\xcd\x58\x8f\x95\x7a\xc4\xe5\xd8\x8c"
      "\xe5\xd8\x88\x8d\x58\x8b\x99\x88\x98\xec\x18\x68\x6c\x73\x79\x63\x63\x6d"
      "\x26\x5e\xcc\xb7\x2e\x7c\x94\xa6\x69\x3c\x51\xf4\x8c\xb5\x7d\x3d\x67\xbb"
      "\xf6\x9c\x1d\x30\xe0\xe6\x71\xcf\x18\x00\x00\x00\x00\x00\x00\x00\xfe\xa7"
      "\x5c\x9b\x1f\xcf\xd7\x3f\x8e\xa5\x98\x18\x76\x30\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xd0\x29\x89\x18\x29\x56\xf9\x72\xa1\x2a\x4f\x46\xad"
      "\x1e\x11\x8d\x88\x18\xcb\xf6\xdb\x8e\xf8\x5b\x55\x3e\x43\xea\x47\xed\xf0"
      "\xe0\x64\xe2\x00\x00\x00\x80\x21\x1b\xdd\xb7\x75\xfe\x61\x3c\x8c\xcd\x98"
      "\xa8\xb6\xd3\x24\xff\xcc\x7f\x31\xff\xdc\xdf\x88\x37\xe3\x6e\x6c\xc4\x6a"
      "\x6c\x44\x2b\x56\xe2\x46\xfe\x5d\x40\xf1\xa9\xbf\xb6\xbb\xb3\x35\xbd\xbb"
      "\x33\x77\x27\x5b\xca\x61\xbf\xf3\x64\x7b\xdc\xaf\xfd\x7b\xef\x18\xbf\x9f"
      "\x38\x34\xa8\x7c\xc4\x28\xbe\x7b\xe8\x7e\xe4\x4b\xf9\x1e\xcd\xb8\x19\xab"
      "\x79\xcd\xe5\x78\x3d\xee\x45\x2b\x6e\x44\x2d\xef\x99\xb9\x54\xc5\xd3\x11"
      "\x57\x87\x77\xb2\x98\x92\x6b\x85\x34\x8d\xf1\x41\xd2\x75\xa3\x5c\x67\x67"
      "\xfe\xf3\x72\x7d\x2a\x9a\x87\xed\x30\x99\x67\x64\xb4\x9d\x91\xab\x59\x6c"
      "\x49\x91\xc7\xa7\xfa\x67\xa2\xf3\xea\x0c\xe0\xe0\x91\x66\xa2\xd6\xfe\xe6"
      "\xe7\x42\xef\x23\xb5\xbf\x8c\xa9\x72\x7e\xad\xef\x51\x92\xff\xa4\x69\x51"
      "\x3a\x57\xd5\x44\x3c\xf1\xad\xbe\x39\xcf\xef\x97\xd1\x23\x9d\xcc\xb1\x1c"
      "\xcc\xc4\x6c\xc7\xdd\x77\xb1\x7f\xce\x23\x3e\xff\x87\xdf\x7e\xff\x56\xeb"
      "\xee\xed\x5b\xc9\xf6\xf4\xa9\xdd\x46\x8f\xe5\x85\xee\xd5\xe3\xff\xa8\xae"
      "\x50\x95\x89\xc2\x76\xac\xc4\x5c\x47\x26\x9e\x1b\x38\x13\x37\xd7\xcf\x78"
      "\x26\x7a\xda\xff\x4d\x63\x2d\x9e\x6d\x97\x97\xe2\x9b\xf1\xdd\x98\x8e\xa9"
      "\x78\x2d\xd6\x62\x35\x7e\x18\xcb\xb1\x11\x2b\x31\x15\xdf\xc8\x4b\xcb\xe5"
      "\xfd\x9c\xfd\x3f\xd9\x3f\x53\x8b\xfb\xb6\x5e\x3b\x2c\xa6\xb1\xf2\xba\x8c"
      "\x1c\x88\xe9\xb3\xe7\x8b\x75\xbf\x98\x5e\xcc\xfb\x4e\xc4\x6a\x7c\x3b\xee"
      "\xc5\x8d\x58\x89\x57\xf2\x7f\xb3\x31\x13\x5f\x8e\xf9\x98\x8f\x85\x8e\x2b"
      "\xfc\xec\x00\x33\x6d\xad\xcb\xab\xfe\x8f\xbd\x83\x7f\xe9\x0b\x65\x21\x9b"
      "\xf8\x7e\xb6\x37\x01\x9e\xe2\xab\xbb\x97\x2c\xaf\x4f\x75\xe4\xb5\x73\xce"
      "\x9d\xcc\xdb\x3a\x6b\x6a\x91\x96\x4f\x96\xa7\x8f\xf0\x3c\xea\x3f\x37\x56"
      "\xf6\x1e\x59\xd9\x95\xf8\x49\xc7\x6b\x70\xf8\xda\x99\x68\x44\xfb\x29\x51"
      "\x45\xf7\x4c\x95\x81\xd1\xae\x99\xf8\x55\x3e\xad\xac\xb7\xee\xde\x5e\xbb"
      "\xb5\x7c\xff\xc0\xb8\xc9\x76\xf7\xe3\xbd\x1c\xfb\x4f\xff\xec\x4c\x24\xd9"
      "\xfd\xf2\x74\x7b\x8e\xd8\x7f\x77\x64\x6d\xcf\x74\x6d\x9b\xc9\xdb\x2e\xb4"
      "\xdb\x6a\x07\xdb\x7e\xdd\x6c\xb7\x1d\xf6\x4a\x1d\x2b\xdf\xc3\x7d\x7c\xa4"
      "\xd9\xbc\xed\xb9\x88\xf8\x65\x19\x6d\xd6\x96\xc9\xe6\xf0\xac\xed\x52\x47"
      "\xbf\xec\xfd\x56\x23\x6f\xfb\x28\x4d\xd3\xe2\xfd\x16\x00\x67\xde\xb9\x2f"
      "\x9e\x1b\x6b\xfe\xab\xf9\xd7\xe6\xbb\xcd\x9f\x36\x6f\x35\x5f\x6d\x7c\x7d"
      "\xfc\x2b\xe3\xcf\x8f\xc5\xe8\x5f\x46\xbf\x5a\xbf\x3a\xf2\x72\xed\xf9\xe4"
      "\x77\xf1\x6e\xfc\x28\x0e\xff\x84\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c\x6a\xfd\xad"
      "\xb7\x6f\x2f\xb7\x5a\x2b\x6b\x07\x0a\x69\x9a\x6e\xf5\x68\x3a\x91\x42\xd4"
      "\x23\xf6\xd5\xfc\xf9\x4f\x1d\xfb\xe4\xbf\x35\x16\x11\x83\x0f\x98\xed\xbd"
      "\x58\x8b\xc8\x6b\xea\x51\x16\x06\xe8\xfe\xcf\x88\x28\x6b\xb6\x1e\xef\x74"
      "\xde\x79\xdc\x24\xfc\xbd\xbc\x26\xa7\x92\xf0\x3e\x85\x64\xe0\x9d\x1b\x3d"
      "\xef\x9f\xb2\x70\xef\xc9\xf2\x74\x1e\xa5\x69\x7a\xea\xa7\x53\xfd\x56\xdb"
      "\x91\xbb\xa7\xa5\xa1\x5d\x82\x4f\xb8\x50\xfd\x44\xd6\xc7\x9a\x92\x7a\x44"
      "\x8f\x5e\x43\x99\x8e\x80\x53\x74\x65\xe3\xce\xfd\x2b\xeb\x6f\xbd\xfd\xa5"
      "\xd5\x3b\xcb\x6f\xac\xbc\xb1\x72\x77\x61\x7e\x7e\xe1\xea\xc2\xfc\x2b\x73"
      "\x57\x6e\xae\xb6\x1a\xc3\x0e\x0f\x38\x41\xf9\xb3\x3e\x7f\x9f\x33\xec\x48"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x41\x0d\xf6\xc7\x39\xc9\xed\xe5"
      "\x28\x6a\xea\xdd\xfe\x8a\xe0\xb0\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc7\xb0\x34\x1d\xf5"
      "\x07\x91\xc4\xcc\xd5\xcb\x57\xb3\xed\xdd\x9d\xb9\x56\xb6\x54\xe5\x6c\x3d"
      "\x92\xef\xf9\x28\x22\x6a\x11\x91\x4c\x45\x24\xef\x45\x2c\x46\xb1\xc4\x64"
      "\xc7\x70\x49\xaf\xe3\x6c\x47\x5c\x7f\xff\xc3\xdd\x0f\x8a\xad\x7a\xb9\xe4"
      "\xfb\xd7\x8e\x7f\x16\xdb\xe5\x12\x53\x65\xb8\x53\xdd\xf7\x6b\x74\xab\x4c"
      "\xb7\x7a\x8d\x97\xe4\xe3\xdc\xef\x3d\xde\x80\x92\x72\x19\x69\xd7\x2c\x1e"
      "\x6b\x3c\xf8\x84\xfc\x37\x00\x00\xff\xff\x11\x30\x09\x2b",
      1778);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x20000000bc40, /*flags=*/0,
                  /*opts=*/0x200000000700, /*chdir=*/1, /*size=*/0x6f2,
                  /*img=*/0x200000000ac0);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x143042 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000d80, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000d80ul,
          /*flags=O_SYNC|O_NOATIME|O_CREAT|FASYNC|O_RDWR*/ 0x143042,
          /*mode=*/0);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x169242 (8 bytes)
  //    mode: open_mode = 0x10 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000080, "./bus\000", 6);
  syscall(__NR_open, /*file=*/0x200000000080ul,
          /*flags=O_TRUNC|O_SYNC|O_NOFOLLOW|O_NOATIME|O_LARGEFILE|O_CREAT|0x2*/
          0x169242ul, /*mode=S_IWGRP*/ 0x10ul);
  //  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;
}