// https://syzkaller.appspot.com/bug?id=92f6ed3ad1086ba72ea7cdb8c97072bbef2d73c2
// 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");
  }
  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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000080, "udf\000", 4);
  memcpy((void*)0x20000500, "./file0\000", 8);
  *(uint8_t*)0x20000200 = 0;
  sprintf((char*)0x20000201, "%020llu", (long long)-1);
  memcpy(
      (void*)0x20001d00,
      "\x78\x9c\xec\xdb\x4d\x6c\x54\xd5\x1b\xc7\xf1\xdf\x33\x77\x3a\x4c\x87\xfe"
      "\xff\x96\x17\x0b\x18\x02\x4d\x34\xb1\x82\x40\x5f\xb0\x40\x6a\x62\x78\xb1"
      "\xd1\x84\x17\x2d\x54\x23\xf1\x25\x95\x4e\xb1\xd2\x76\x48\xa7\x28\x25\x20"
      "\x2c\xd5\x9d\x0b\x96\x2e\xdd\xba\x70\x65\xdc\x1a\x12\x97\xc6\x85\xc1\x18"
      "\x16\x26\xc8\xc6\xcd\xac\xc4\x1d\xe6\xdc\xb9\x6f\x33\x94\xce\x8c\x6d\x67"
      "\x28\xfd\x7e\x08\x9c\x7b\xcf\x3c\x77\x38\xe7\x3c\x73\xe7\x9c\x33\x99\x11"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x90\x8e\xbc\x7a\xb8\xb7\xcf"
      "\x5a\xdd\x0a\x00\x00\xd0\x4c\x27\x4f\x8f\xf4\x0e\x30\xff\x03\x00\xb0\xa6"
      "\x9c\x61\xff\x0f\x00\x00\xb0\x96\x98\x3c\xfd\x2e\xd3\x9e\x0b\x25\x3b\xe1"
      "\x9f\x97\x65\x8f\x4f\xce\x5c\xba\x3c\x7a\x6c\x78\xe1\xcb\xda\x4d\xa6\x94"
      "\x3c\x3f\xde\xfd\xcd\xf6\xf5\x0f\xec\x7f\x69\xf0\xc0\xc1\xb0\x5c\xfc\xfa"
      "\xe5\xb6\x4d\xa7\x4e\x9f\x39\xdc\x7d\xb4\x30\x7d\x71\x36\x5f\x2c\xe6\xc7"
      "\xbb\x47\x67\x26\xcf\x15\xc6\xf3\x75\x3f\xc3\x52\xaf\xaf\xb6\xcb\x1f\x80"
      "\xee\xe9\x0b\x97\xc6\x27\x26\x8a\xdd\xfd\x7b\x07\x2a\x1e\xbe\xdc\x79\x6f"
      "\xdd\xfa\xae\xce\xa1\xc1\xf7\x8e\x66\xc2\xd8\xd1\x63\xc3\xc3\xa7\x13\x31"
      "\xe9\xb6\xff\xfc\xbf\x3f\xe4\x51\x2b\xfc\x8c\x3c\xbd\x20\xd3\xc7\xdf\x7f"
      "\x6b\x27\x25\xa5\xb4\xf4\xb1\xa8\xf1\xda\x59\x69\xed\x7e\x27\x76\xf9\x9d"
      "\x18\x3d\x36\xec\x77\x64\x6a\x72\x6c\x66\xce\x3d\x68\xa9\x20\x2a\x55\x39"
      "\x26\x99\x70\x8c\x9a\x90\x8b\x25\x49\x49\xae\x5d\x96\x59\x9e\x3d\x5b\x9b"
      "\x3c\xfd\x20\xd3\x91\x7d\x25\x3b\x25\xc9\x0b\xc7\x61\xb7\xff\xc1\x70\x5d"
      "\xed\x69\x85\xb4\xdb\xba\x4a\xea\xd1\x2a\xc8\xd9\x63\x6c\x9d\x3c\x7d\x20"
      "\xd3\xad\x7d\x9d\x7a\x23\x18\x57\x3f\xff\x19\xe9\x6a\xab\x1b\x87\x15\x97"
      "\x0e\xee\xff\x82\x95\xec\x4d\xff\xfd\xc0\xdd\x4f\xee\x6d\xf3\xf8\x5b\xdd"
      "\xaf\xcf\x4c\x14\x12\xb1\x96\x0a\xee\xa8\xd5\x3e\x3f\x34\xd3\x63\xfe\xde"
      "\x94\x95\xa7\x53\xfe\x1d\x5f\xb2\x11\xed\x6c\x75\x73\xd0\x64\xed\xf2\x34"
      "\x2d\x53\xe6\xab\x4f\xfc\x75\x85\xfc\x75\xe9\x53\x43\x07\x76\xec\x3c\x94"
      "\x5c\x61\x6c\xa9\xf1\x3c\x2e\x76\x6f\x70\x73\xd5\x33\x27\xb7\x05\x4b\x07"
      "\x4b\xb9\x3f\xcb\xdf\x2f\xd4\x27\x6b\x9e\xfe\x94\xe9\xfe\x6f\x59\xff\xbc"
      "\x27\x9c\x03\xa4\x1b\x0f\x16\xbb\xf0\x8f\xa6\x34\x0f\x2b\xcd\x3c\x4d\xc9"
      "\xf4\xcf\xb5\x92\x59\xd5\xbe\xd4\x4b\xec\xef\x23\xab\x7d\xee\x5f\xd9\xf6"
      "\xb7\x67\x8f\x16\x2e\xce\xcf\x4e\x9e\xff\x68\x6e\xc1\xc7\x73\xd9\xc3\x1f"
      "\x16\xe7\x66\xc7\xce\x2d\xfc\x70\x79\xef\xea\x25\x6b\x6a\xed\x63\xab\xa5"
      "\x1a\xdb\x92\xe5\xac\xbc\xe3\xfb\xfc\xd3\x52\x74\x5d\xb0\x07\xf8\x5f\xf9"
      "\x2c\x6e\xcd\x37\x57\xe3\xd7\x42\x4f\x55\x19\x4a\xbe\x7e\xea\x39\xae\x7b"
      "\x17\xdb\xc0\x3a\xca\xb5\xc9\xcc\xd3\x5d\x99\x26\xde\xdf\x5a\x9e\x67\x94"
      "\x6b\x78\x6c\xd6\x02\x97\xff\x61\x99\x8a\xa5\x9f\x2d\xcc\x74\x90\xff\x74"
      "\xf9\x2c\x91\xff\x97\xe3\xf1\xcb\x5a\x65\x19\xf1\x73\xfb\xff\xf2\xe7\x5a"
      "\xe1\x5a\x62\xdb\xd9\xcd\x8f\xaa\x5f\x89\xfc\xbb\x36\xb9\xfc\xbf\x23\xd3"
      "\x91\xbf\xb7\x06\x9f\x69\x94\xf3\xef\x55\xc5\xba\xb8\x2e\x99\xde\xbd\xb9"
      "\x3d\x88\x4b\x65\x5c\x5c\x3a\xec\x4e\xf9\x19\x27\x26\xa7\xf2\xbd\x2e\xf6"
      "\x81\x4c\x1b\x7f\x0a\x63\xe5\xc7\xe6\x82\xd8\x4d\x71\x6c\x9f\x8b\x2d\xca"
      "\xf4\xc5\xad\xca\xd8\xf5\x41\xec\xe6\x38\xb6\xdf\xc5\xde\x96\xe9\xce\xaf"
      "\x0b\xc7\x3e\x1d\xc7\x0e\xb8\xd8\x79\x97\xaf\x3b\xdd\x61\x6c\xce\xc5\xee"
      "\x08\x62\xbb\xe2\xd8\xbd\xe7\x0a\x53\xe3\xb5\x86\xd5\xe5\xbf\x5f\xa6\xb7"
      "\xaf\xbf\x66\x61\x9f\x1f\x99\xff\xc4\xfd\x7f\xa3\xaa\x8c\x3c\x94\xf3\xc5"
      "\x8f\x97\x2b\xff\x9d\x89\xba\x1b\x41\x5e\xcf\x06\xf9\x4f\xd7\xc8\xff\x97"
      "\x32\xcd\xff\xb5\x3d\xec\xb7\x3f\xf6\xe1\xcb\x6a\x83\xff\x6f\x9c\x7f\xb7"
      "\x56\xfe\xee\x66\x65\x6c\xb8\xa1\xdc\x18\xc7\xf6\xd5\xdb\xad\x56\x73\xf9"
      "\xdf\x20\xd3\xbd\x57\x6e\x47\x7d\x0e\xfa\x16\x9c\xc6\x19\x4a\xe6\xff\x99"
      "\x74\x65\x19\x8d\x6b\x8b\xf2\xbf\x21\x51\xd7\x19\xb4\x2b\xd3\xe0\x58\xac"
      "\x45\xc5\xf9\x2b\x17\xc6\xa6\xa6\xf2\xb3\x1c\x70\xc0\x01\x07\xd1\x41\xab"
      "\xdf\x99\xd0\x0c\x6e\xfe\x1f\x71\xb3\xfa\xa0\x67\xe1\x3a\x26\x98\xff\x3b"
      "\xca\x67\xf1\x8a\xe9\xfe\x67\xf1\xfc\x3f\x54\x55\x46\x5a\x34\xff\x6f\x4c"
      "\xd4\x0d\x05\xab\x96\xb6\xb4\x94\x9d\x9b\xbe\xd8\xb6\x45\xca\x16\xe7\xaf"
      "\xec\x99\x9c\x1e\x3b\x9f\x3f\x9f\x9f\x19\xd8\x3f\xd8\xdb\x7f\x68\x7f\xef"
      "\xc0\xc1\xb6\x4c\xb8\xb8\x8b\x8f\xea\x1e\xbb\x27\x81\xcb\xff\x6e\x99\xae"
      "\xfd\xf8\x4b\xb4\x8f\xa9\x5c\xff\x2d\xbc\xfe\xcf\x55\x95\x91\x16\xe5\x7f"
      "\x53\xb2\x4f\x15\xeb\x9a\xba\x87\x62\x4d\x72\xf9\xef\x90\x69\xf0\xee\xed"
      "\x68\xbf\xb9\xd8\xfa\x3f\xdc\xff\xf7\x3c\x5b\x59\x46\xf7\x5f\x8b\xf2\xbf"
      "\x39\x51\xd7\x19\xb4\xab\xa3\xc1\xb1\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x80\xd5\x24\x67\x9e\x9e\x93\xe9\xf2\xc8\x8b\x16\xfe\x86"
      "\xa8\x9e\xef\xff\x8d\x57\x95\x91\xe5\xff\xfe\x57\xf9\x87\xc9\x35\xbe\xff"
      "\xd5\x95\xa8\x1b\x6f\xd2\xef\x1a\x1a\x1a\x68\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x80\x26\x49\xc9\xd3\xd7\x32\x3d\xaf\x92\x5d\x77\x15\x1d\xd2\x89\x64"
      "\x89\x27\xda\xbf\x01\x00\x00\xff\xff\x1b\xac\x48\x00",
      1201);
  syz_mount_image(/*fs=*/0x20000080, /*dir=*/0x20000500,
                  /*flags=MS_POSIXACL|MS_SILENT|MS_NOEXEC*/ 0x18008,
                  /*opts=*/0x20000200, /*chdir=*/0xfe, /*size=*/0x4b1,
                  /*img=*/0x20001d00);
  *(uint64_t*)0x20000100 = -1;
  *(uint64_t*)0x20000108 = -1;
  syscall(__NR_setrlimit, /*res=RLIMIT_FSIZE*/ 1ul, /*rlim=*/0x20000100ul);
  memcpy((void*)0x200000c0, "./bus\000", 6);
  res = syscall(
      __NR_open, /*file=*/0x200000c0ul,
      /*flags=O_SYNC|O_NOCTTY|O_NOATIME|O_EXCL|O_CREAT|0x2002*/ 0x1431c2ul,
      /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  memset((void*)0x20005680, 169, 1);
  syscall(__NR_pwrite64, /*fd=*/r[0], /*buf=*/0x20005680ul, /*count=*/1ul,
          /*pos=*/0x600000ffful);
  memcpy((void*)0x200000c0, "./bus\000", 6);
  res = syscall(
      __NR_open, /*file=*/0x200000c0ul,
      /*flags=O_NONBLOCK|O_NOCTTY|O_NOATIME|O_LARGEFILE|O_CREAT|0x82002*/
      0xca942ul, /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_setsockopt, /*fd=*/-1, /*level=*/1, /*optname=SO_ZEROCOPY*/ 0x3c,
          /*optval=*/0ul, /*optlen=*/0ul);
  syscall(__NR_bind, /*fd=*/-1, /*addr=*/0ul, /*addrlen=*/0ul);
  memcpy((void*)0x20000380, "/dev/loop", 9);
  *(uint8_t*)0x20000389 = 0x30;
  *(uint8_t*)0x2000038a = 0;
  memcpy((void*)0x20000140, "./bus\000", 6);
  syscall(__NR_mount, /*src=*/0x20000380ul, /*dst=*/0x20000140ul, /*type=*/0ul,
          /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
  memcpy((void*)0x20000000, "./bus\000", 6);
  res = syscall(__NR_open, /*file=*/0x20000000ul, /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x20000540 = 0;
  *(uint64_t*)0x20000548 = 0;
  *(uint64_t*)0x20000550 = 0;
  *(uint64_t*)0x20000558 = 0;
  *(uint64_t*)0x20000560 = 1;
  *(uint32_t*)0x20000568 = 0;
  *(uint32_t*)0x2000056c = 0;
  *(uint32_t*)0x20000570 = 0;
  *(uint32_t*)0x20000574 = 0;
  memcpy((void*)0x20000578,
         "\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce"
         "\x5d\x29\xc2\xee\x5e\x5c\xa9\x00\x0f\xf8\xee\x09\xe7\x37\xff\x0e\xdf"
         "\x11\x0f\xf4\x11\x76\x39\xc2\xeb\x4b\x78\xc6\x60\xe6\x77\xdf\x70\x19"
         "\x05\xb9\xaa\xfa\xb4\xaf\xaa\xf7\x55\xa3\xf6\xa0\x04",
         64);
  memcpy((void*)0x200005b8,
         "\x03\x6c\x47\xc6\x78\x08\x20\xd1\xcb\xf7\x96\x6d\x61\xfd\xcf\x33\x52"
         "\x63\xbd\x9b\xff\xbc\xc2\x54\x2d\xed\x71\x03\x82\x59\xca\x17\x1c\xe1"
         "\xa3\x11\xef\x54\xec\x32\xd7\x1e\x14\xef\x9c\xc0\x97\xfc\xe4\x7d\x85"
         "\x27\x20\x36\xdc\x78\x38\x8e\x3d\xc1\x77\xe9\xb4\x96",
         64);
  memcpy((void*)0x200005f8,
         "\xb7\x32\x67\x6c\x18\x1c\x20\x82\x66\x9d\xd0\x63\x88\xbd\x49\xbd\x03"
         "\xe6\xbb\xc2\xeb\xce\x21\xaa\x45\xa7\xfe\xa6\x18\x07\x66\xb9",
         32);
  *(uint64_t*)0x20000618 = 0;
  *(uint64_t*)0x20000620 = 0;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x4c04, /*arg=*/0x20000540ul);
  syscall(__NR_ftruncate, /*fd=*/r[1], /*len=*/0x8002007ffbul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}