// 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

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)) {
  }
  //  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 62 75 73 00} (length 0x6)
  //    }
  //    flags: mount_flags = 0x200000 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x13 (1 bytes)
  //    size: len = 0x713 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x713)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x200000000080, "./bus\000", 6);
  memcpy(
      (void*)0x200000000e80,
      "\x78\x9c\xec\xdd\x4b\x6c\x1c\x67\x1d\x00\xf0\xff\xac\xd7\xeb\xb5\x81\xd4"
      "\x69\xd3\xa4\xa0\x48\xb5\x1a\xa9\x20\x2c\x12\x3b\xc6\x05\x73\x21\x20\x04"
      "\x3e\x54\xa8\x2a\x07\xce\xab\xc4\x69\x2c\x6f\x9c\xca\xde\x22\x27\x42\xc4"
      "\xe1\x71\xe7\xd0\x03\xe2\x54\x0e\xb9\x55\x1c\x50\xb9\x47\x82\x33\x55\x25"
      "\x54\x89\x93\x0f\x1c\x2a\x21\xf5\x40\x4f\x3e\x20\x2d\x9a\xd9\xd9\x87\xbd"
      "\xe3\xdd\x75\xe2\x17\xf4\xf7\x8b\x66\xe6\x9b\xf9\x9e\xf3\x9f\x97\x77\x57"
      "\xd1\x04\xf0\xb9\xb5\x3c\x1b\xe5\x27\x91\xc4\xf2\xec\xeb\x5b\xe9\xfa\xce"
      "\x3f\xfe\xdd\xcc\xb4\xb2\xeb\x11\x51\x89\x88\x52\x44\xb9\xb5\x88\x64\x3d"
      "\xaf\xfa\xc5\xcb\x71\x23\x5d\x7e\x39\xdd\x98\x6f\x4b\x0e\xea\xe7\xdd\xd5"
      "\xa5\x37\x3f\xfe\x6c\xe7\x93\xd6\x5a\x39\x9f\xb2\xf2\xc9\xa0\x7a\x05\x2a"
      "\xfd\x9b\xb6\xf3\x29\x66\x22\x62\x2c\x5f\xf6\xa9\x1e\xd4\xe2\x07\xfb\xbb"
      "\xdf\xd3\xde\xcd\x83\xda\x1b\x59\x77\x0f\xd3\x80\x5d\xc9\x97\x11\xbf\x7f"
      "\xa6\x56\xe1\x99\x35\xfb\x6c\x77\xf2\xde\xff\x7b\x36\x1f\x54\xfd\x30\xd7"
      "\x2d\x70\x46\x25\xad\xe7\x66\x9f\xe9\x88\xa9\xde\xe7\x66\x7e\x77\x28\x9d"
      "\xd0\xb0\x8e\xcd\xf6\x69\x0f\x00\x00\x00\x00\x0e\x6b\xf2\xf0\x55\x9e\xdb"
      "\x8d\xdd\xd8\x8a\x73\xc7\x31\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\xf8"
      "\x7f\x95\xbf\xff\x3f\xc9\xa7\x52\x3b\x3d\x13\xc9\x54\x44\x54\x23\xa2\x92"
      "\x6f\x8b\x3c\x7d\x06\x0d\x7f\x11\xe2\x47\x13\xad\xe5\x93\xe3\x1f\x0c\x00"
      "\x00\x00\x00\x00\x00\x00\x1c\xbb\x97\x77\x63\x37\xb6\xe2\x5c\x7b\xbd\x99"
      "\x64\xbf\xf9\xbf\xd2\xf3\x1b\xff\x17\xe2\x9d\xd8\x8c\x95\xd8\x88\xab\xb1"
      "\x15\xb5\x68\x44\x23\x36\x62\x3e\x22\xa6\x7b\x1a\xaa\x6c\xd5\x1a\x8d\x8d"
      "\xf9\xac\x66\xc4\x85\x01\x35\xaf\xc7\x87\xbd\x35\x2b\x11\xd1\x68\x6c\x5c"
      "\x3f\x78\x8c\x37\x8e\x7a\xa7\x01\x00\x00\x00\x00\x00\x00\xe0\x6c\xab\x0e"
      "\xc9\x5f\x1b\xef\xdf\xf6\xcb\x58\xee\xfe\xfe\x0f\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x67\x41\x12\x31\xd6\x5a\x64\xd3\x85\x76\x7a\x3a\x4a"
      "\xe5\x88\xa8\xb6\xcb\x6d\x47\x7c\x18\x11\x95\xd3\x1d\xed\xa1\x24\x45\x1b"
      "\x9f\x9c\xfc\x38\x00\x00\x00\xe0\x99\x54\xf7\xae\x26\xd5\x11\xea\x3c\xf7"
      "\x30\x76\x63\x2b\xce\xb5\xd7\x9b\x49\xf6\x99\xff\x62\xf6\x79\xb9\x1a\xef"
      "\xc4\x7a\x34\x62\x35\x1a\x51\x8f\x95\xb8\x95\x7f\x86\x4e\x3f\xf5\x97\x76"
      "\x1e\x2f\xd4\x77\x1e\x2f\xdc\x4d\xa7\xfe\x76\xbf\xf7\xe9\xa1\x86\x9e\xb5"
      "\x18\xad\xef\x1e\x8a\x7b\x7e\x29\x2b\x31\x19\xb7\x63\x35\xdb\x72\x35\x6e"
      "\x46\x12\xcd\x4c\x29\x6f\xe5\xa5\x9d\xc7\x0b\xe9\xf2\x6e\xf1\xb8\x1e\xa5"
      "\x63\x4a\xbe\x9b\x1b\x30\x9a\xb1\x9e\xf4\xad\x74\x76\xe9\x83\x2c\xfd\xdb"
      "\xbd\xdf\x22\x94\x0f\xb5\x8b\x4f\xa9\x74\x60\xce\x74\x96\x3b\xde\x89\xc8"
      "\x5c\x3e\xb6\xb4\xc6\xf9\x76\x04\x8a\x23\x31\xf4\xe8\x94\x07\xf6\x34\x1f"
      "\xa5\xce\x37\x3f\x17\x06\xf7\x54\x1c\xf3\x47\x05\x5d\x8e\x77\x93\x53\xfb"
      "\x4a\x15\x7e\x73\x73\x2a\xf6\x47\xe2\x7a\x94\x3a\x47\xe8\xe2\xe0\x48\x44"
      "\x7c\xf5\xcf\xef\xff\xf4\x4e\x7d\x7d\xed\xce\xed\xcd\xd9\xb3\xb3\x4b\x85"
      "\x1e\x0e\x3d\xbd\x3b\x91\xf8\x66\xfb\x36\xd3\x8d\xc4\xa5\x91\x23\x31\x79"
      "\x1c\x83\x3f\x22\xe3\x23\x96\x9b\xcb\xf6\xfd\xc5\xce\xfa\x72\xfc\x30\x7e"
      "\x12\xb3\xf1\xe9\xc4\x1b\xb1\x11\xab\xf1\xb3\xa8\x45\x23\x56\x66\xda\xf9"
      "\xb5\xfc\x7c\x4e\xe7\xd3\x83\x23\xf5\xd1\x54\xef\xda\x1b\xc3\x46\x92\x5e"
      "\x93\x33\x9d\xfb\x57\xd1\x98\x66\x62\xcf\x98\x62\x26\x7e\x90\xa5\x6a\xf1"
      "\x4a\x76\x4c\xcf\xc5\x6a\x24\x71\x2f\x22\x56\xe2\xb5\xec\xdf\xf5\x98\xef"
      "\x9c\x09\xdd\x23\xfc\xe2\x08\x57\x7d\x69\x84\x3b\x6d\x8f\x2b\x5f\xcb\x16"
      "\x9d\x30\xc5\x80\x73\xe3\x8f\xa3\x35\x79\x54\xd2\xb8\x9e\xef\x89\x6b\xef"
      "\x3d\x77\x3a\xcb\xeb\xdd\xd2\x8d\xd2\xf3\x85\x51\x6a\x3f\xeb\xfa\xef\x8d"
      "\xd5\xe1\x0f\x95\xf2\x57\xf2\x44\xda\xc2\xaf\x06\x3e\x1f\x4e\xda\xfe\x48"
      "\xcc\xf7\x44\xe2\x85\x83\xce\x97\x56\x48\xff\xd0\x4c\xe7\x9b\xf5\xf5\xb5"
      "\x8d\x3b\xb5\xb7\x47\xec\xef\xd5\x7c\x99\x5e\x47\xbf\x39\x53\x4f\x89\x4a"
      "\x3c\x8a\xe7\xa3\x9a\xef\xdc\xf9\x6c\x9e\x64\xd7\xd4\x5c\x76\xf4\x5f\xe8"
      "\x1c\xe7\xbd\xf1\xaa\xe4\xbf\xb8\xb4\x94\xf6\xe7\xfd\xe8\x77\x9d\x7a\xad"
      "\x2b\xf5\xc7\x71\x2f\x6e\xed\xb9\x52\xbf\x15\x8b\xb1\x18\x4b\x59\x4b\x17"
      "\xb3\xd2\xe3\x7d\x4f\xac\x34\xef\x52\xa7\xa5\xde\xbc\x85\x2c\x2f\xfd\x4b"
      "\xab\xdc\xf9\x61\xa7\xf7\xef\xad\x7b\x51\x6f\xfd\x3d\x04\xc0\xd9\x36\xf5"
      "\xf5\xa9\xca\xe4\xbf\x26\xff\x36\xf9\xde\xe4\xaf\x27\xef\x4c\xbe\x5e\xfd"
      "\xfe\xc4\xb7\x27\x2e\x57\x62\xfc\xaf\xe3\xdf\x29\xcf\x8d\xbd\x5a\xba\x9c"
      "\xfc\x29\xde\x8b\x5f\x74\x3f\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4f\x6f\xf3\xfe"
      "\x83\xb5\x5a\xbd\xbe\xb2\x51\x9c\x28\x15\x67\x25\x83\x6b\xd5\xea\xcd\x87"
      "\x79\xfb\x03\xca\xec\x49\x24\xf9\xab\x72\x46\x28\x9c\x6c\xde\x7f\xd0\x6c"
      "\x6d\x69\x4e\x44\x0c\x6b\xb9\x30\x31\x91\x0f\xef\x10\xb5\xfe\x73\xc8\x2e"
      "\x6a\x0f\x63\xa4\xc2\xed\xd7\xa8\x0d\x2c\x3c\x11\x0f\xd6\x6a\x33\x4f\xb3"
      "\xa7\x23\x26\x92\xed\xfd\xc7\xab\x3a\xfc\x58\xb4\xdf\xf2\x34\x42\x17\x49"
      "\x5f\xc0\xd3\xca\x4f\x3d\xe6\x76\xcf\xdd\x2d\xe3\xc7\x12\x96\x67\x4b\xcc"
      "\x1c\x5d\x83\xed\x13\xb6\x27\x6b\xf4\xb3\xf7\x9f\x5f\x6a\x55\x6e\x26\x05"
      "\xc7\x6b\x2c\x22\x8a\x6a\x0d\xb9\x71\xb4\xde\x71\x75\x96\xdf\xe3\x07\x0c"
      "\x71\xad\x71\xf7\xed\x6b\x9b\xf7\x1f\x7c\x63\xf5\x6e\xed\xad\x95\xb7\x56"
      "\xd6\xc7\x17\x17\x97\xe6\x96\x16\x5f\x5b\xb8\x76\x7b\xb5\xbe\x32\xd7\x9a"
      "\xf7\x54\x38\x91\x97\xdf\x02\x27\xa1\xf7\xcf\x89\x8e\x4a\x44\xbc\x5c\x58"
      "\x7c\xcf\x0b\x9c\x3d\xfc\x01\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x74\x9c"
      "\xc4\xff\x85\x38\xed\x7d\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\xfe\xb7\x2d\xcf\x46\xf9\x49\x24"
      "\x31\x3f\x77\x75\x2e\x5d\xdf\x79\xbc\x50\x4f\xa7\x76\xba\x5b\xb2\x1c\x11"
      "\xa5\x88\x48\x7e\x1e\x91\xfc\x25\xe2\x46\xb4\xa6\x98\xee\x69\x2e\x39\xa8"
      "\x9f\x77\x57\x97\xde\xfc\xf8\xb3\x9d\x4f\xba\x6d\x95\x63\xac\x55\xbe\x14"
      "\xb1\x7d\x60\xbd\xd1\x6c\xe7\x53\xcc\x44\xa4\xcd\x66\xcb\xa3\x6a\xef\xe6"
      "\xf0\xf6\x2a\xdd\xe4\x44\x41\x76\xd2\x89\x4c\x1a\xb0\x2b\xed\xc0\xc1\x69"
      "\xfb\x6f\x00\x00\x00\xff\xff\xee\xc1\xed\xf3",
      1811);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000080,
                  /*flags=MS_RELATIME*/ 0x200000, /*opts=*/0x2000000023c0,
                  /*chdir=*/0x13, /*size=*/0x713, /*img=*/0x200000000e80);
  //  setrlimit arguments: [
  //    res: rlimit_type = 0x1 (8 bytes)
  //    rlim: ptr[in, rlimit] {
  //      rlimit {
  //        soft: intptr = 0xffffffffffffffff (8 bytes)
  //        hard: intptr = 0xffffffffffffffff (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x200000000100 = -1;
  *(uint64_t*)0x200000000108 = -1;
  syscall(__NR_setrlimit, /*res=RLIMIT_FSIZE*/ 1ul, /*rlim=*/0x200000000100ul);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x1431c2 (8 bytes)
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x2000000000c0, "./bus\000", 6);
  res = syscall(
      __NR_open, /*file=*/0x2000000000c0ul,
      /*flags=O_SYNC|O_NOCTTY|O_NOATIME|O_EXCL|O_CREAT|0x2002*/ 0x1431c2ul,
      /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  //  pwrite64 arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {a9} (length 0x1)
  //    }
  //    count: len = 0x1 (8 bytes)
  //    pos: intptr = 0x600000fff (8 bytes)
  //  ]
  memset((void*)0x200000005680, 169, 1);
  syscall(__NR_pwrite64, /*fd=*/r[0], /*buf=*/0x200000005680ul, /*count=*/1ul,
          /*pos=*/0x600000ffful);
}
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;
}