// https://syzkaller.appspot.com/bug?id=ebcf47bed053716d7e7c15b19fea609509394dd5
// 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;
}

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

//% 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[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000000940, "iso9660\000", 8);
  memcpy((void*)0x200000000980, "./file0\000", 8);
  memcpy((void*)0x200000000240, "norock", 6);
  *(uint8_t*)0x200000000246 = 0x2c;
  memcpy((void*)0x200000000247, "hide", 4);
  *(uint8_t*)0x20000000024b = 0x2c;
  memcpy((void*)0x20000000024c, "uid", 3);
  *(uint8_t*)0x20000000024f = 0x3d;
  sprintf((char*)0x200000000250, "0x%016llx", (long long)0);
  *(uint8_t*)0x200000000262 = 0x2c;
  memcpy((void*)0x200000000263, "cruft", 5);
  *(uint8_t*)0x200000000268 = 0x2c;
  memcpy((void*)0x200000000269, "mode", 4);
  *(uint8_t*)0x20000000026d = 0x3d;
  sprintf((char*)0x20000000026e, "0x%016llx", (long long)1);
  *(uint8_t*)0x200000000280 = 0x2c;
  memcpy((void*)0x200000000281, "overriderockperm", 16);
  *(uint8_t*)0x200000000291 = 0x2c;
  memcpy((void*)0x200000000292, "utf8", 4);
  *(uint8_t*)0x200000000296 = 0x2c;
  memcpy((void*)0x200000000297, "check=relaxed", 13);
  *(uint8_t*)0x2000000002a4 = 0x2c;
  *(uint8_t*)0x2000000002a5 = 0;
  memcpy(
      (void*)0x200000000a00,
      "\x78\x9c\xec\xdd\xcf\x6f\x1c\xf5\xdd\x07\xf0\xf7\x38\xf6\x83\x9f\x05\x41"
      "\x80\x3c\x3c\x51\x04\x64\x13\x1a\x30\xe0\x3a\x6b\xa7\x84\x5a\x5c\xea\x78"
      "\xd7\xce\x52\xdb\x5b\xd9\x8e\x44\xd4\x43\x43\x49\xa8\xa2\x58\xa5\x82\x56"
      "\x02\xd4\x43\x2a\x55\x3d\x15\xb5\x87\xaa\x87\xf6\xc6\xb1\x27\x24\x2e\x70"
      "\xa9\xf2\x57\xf4\xd0\x0b\xff\x02\xea\x29\x37\x57\x33\x6b\x27\x0e\x78\xbd"
      "\xc6\x75\xbc\xc1\x7d\xbd\xac\xf1\xfc\xfa\xcc\xf7\xfb\x99\x9d\xd9\xf9\x6a"
      "\x7f\xcd\x37\x7c\x9b\xad\xaf\xaf\x57\xc3\x1e\xe7\x2f\xfd\xed\x20\x93\xe5"
      "\xc1\x73\xa1\xf9\xc5\xc7\x9f\x7c\x54\x0e\xbf\xb9\x99\xff\xc9\x91\xbc\x52"
      "\x7c\x96\x8c\x26\xa9\x27\xc3\x49\x8e\x27\x23\xb3\xcd\xe5\xce\x62\x9f\x82"
      "\x6e\x24\x57\x92\xdc\x4a\x8a\x24\x0f\xa5\x3b\xde\x95\x2b\x29\xfe\x90\x47"
      "\xee\xce\xdf\x4a\xf1\xd7\xb2\x5e\xee\xbf\x75\xfe\xab\x0d\xfa\xfc\x03\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x07\x51\x31\xdb\x6c\x34\x26\x8b"
      "\x2c\xb4\x97\x2e\xbd\x51\xef\xad\xea\x02\x7c\x87\xf5\x9b\xe5\x7d\x5e\xf5"
      "\xfa\x5d\x7c\xde\xb7\xde\xa4\x28\x87\x8c\x8e\x6e\x76\xf5\x7d\xfc\xd8\xdd"
      "\xd5\x4f\x95\xff\x4e\xe7\xe9\xee\xdc\xd3\x55\x87\xe4\x19\xcd\x87\x0f\x3f"
      "\x75\xf4\xb5\x27\x87\x87\x36\xb7\xdf\x21\xa1\x03\xf1\xde\x07\x1f\xde\x78"
      "\x73\x6d\xed\xda\xbb\x83\x4e\x64\x40\xe6\x5b\x4b\xed\x95\x4e\x7b\x71\x66"
      "\xbe\x55\x6f\xaf\x74\xea\xd3\xe7\xcf\x37\xce\x5e\x9c\x5b\xa9\xcf\xb5\x17"
      "\x5a\x2b\x97\x57\x56\x5b\x8b\xf5\xd9\xe5\xd6\xcc\x6a\x67\xb9\x3e\x36\xfb"
      "\x62\x7d\x72\x7a\xfa\x5c\xbd\x35\x71\xb9\x73\x69\x69\xbe\x39\xb3\xd0\xda"
      "\x5c\xf8\xea\x77\xa7\x1a\x8d\xf3\xf5\xd7\x27\x7e\xd4\x9a\x59\x5e\xe9\x2c"
      "\x9d\x7d\x7d\x62\x65\xf6\x62\x7b\x61\xa1\xbd\x34\x5f\xc5\x94\xab\xcb\x98"
      "\x57\xcb\x13\xf1\x87\xed\xd5\xfa\x6a\x6b\x66\xb1\x5e\x7f\xfb\xfa\xda\xb5"
      "\x73\xfd\x92\x2c\x83\x26\x77\x13\x34\xd5\x2f\x68\xaa\x31\x35\x35\x39\x39"
      "\x35\x35\x79\xfe\x95\xe9\x57\x5e\x6d\x34\x86\xbf\xb6\xa0\xf1\x15\xf9\x5a"
      "\xc4\xe0\x4f\x5a\x06\x6b\xdf\xaf\xe1\xb0\x57\x43\x1b\xed\x7f\x16\xd2\xce"
      "\x52\x2e\xe5\x8d\xd4\xb7\xfd\x9b\x4d\x33\xcb\xe9\x64\xb1\xc7\xfa\x0d\x9b"
      "\xed\xff\x99\xb3\xad\x1d\xeb\xdd\xda\xfe\x6f\xb6\xf2\xc7\xef\xae\x3e\x91"
      "\xaa\xfd\x7f\xb6\x3b\xf7\x6c\xaf\xf6\xbf\x47\x2e\x07\xf7\xf7\x5e\x3e\xc8"
      "\x87\xb9\x91\x37\xb3\x96\xb5\x5c\xcb\xbb\x03\xcf\xe8\x60\xff\xe6\xd3\xca"
      "\x52\xda\x59\x49\x27\xed\x2c\x66\xa6\x5a\x52\xdf\x58\x52\xcf\x74\xce\xe7"
      "\x7c\x1a\xf9\x49\x2e\x66\x2e\x2b\xa9\x67\x2e\xed\x2c\xa4\x95\x95\x5c\xce"
      "\x4a\x56\xd3\xaa\xce\xa8\xd9\x2c\xa7\x95\x99\xac\xa6\x93\xe5\xd4\x33\x96"
      "\xd9\xbc\x98\x7a\x26\x33\x9d\xe9\x9c\x4b\x3d\xad\x4c\xe4\x72\x3a\xb9\x94"
      "\xa5\xcc\xa7\x99\x99\xaa\x94\xb7\x73\xbd\x7a\xdc\xcf\xed\x90\xe3\x9d\xa0"
      "\xc9\xdd\x04\x4d\xed\x10\xa4\xfd\xe7\x3f\x77\x3f\x2e\xe3\xb0\x27\xeb\x9b"
      "\xed\x3f\x00\x00\x00\x70\x68\x15\xd5\xbb\xef\xe5\xeb\xff\x91\x3c\x53\x4d"
      "\xcd\xb5\x17\x5a\x8d\x41\xa7\x05\x00\x00\x00\xec\xa3\xea\x93\xff\xa7\xcb"
      "\xd1\x48\x39\xf5\x4c\x0a\xaf\xff\x01\x00\x00\xe0\xb0\x29\xaa\xdf\xd8\x15"
      "\x49\x6a\x39\xd9\x9d\xda\xfc\x25\x94\x37\x01\x00\x00\x00\xe0\x90\xa8\x3e"
      "\xff\x7f\xb6\x1c\xd5\xca\xa9\x93\x29\xbc\xfe\x07\x00\x00\x80\xc3\xa6\xff"
      "\x3d\xf6\xfb\x46\x14\xe3\x9b\xb7\xff\xad\x5f\xed\x8e\xaf\x6e\x44\x6c\xdc"
      "\xe7\xb7\x36\xd7\x5e\x68\x4d\xcc\x76\x16\x5e\x9b\xcc\xf3\xd5\x5d\x06\xaa"
      "\x5f\x1a\x6c\x5b\xda\x48\xf5\xf3\x83\x97\x72\xaa\x1b\x75\xaa\xd6\x1d\xd7"
      "\xee\x2d\x71\xb4\x8c\x9a\x9c\x78\x6d\x32\x2f\xe5\xf4\xc6\x8e\x8c\x3d\x57"
      "\x8e\x9e\x1b\xdb\x26\x72\xaa\x1b\xf9\x42\x37\xf2\x85\x1d\x22\xcf\x95\x91"
      "\x00\x70\xd8\x9d\xee\xd3\x1e\xef\xa6\xfd\x7f\x29\xe3\xdd\x88\xf1\x13\x65"
      "\x63\x9a\xe1\x13\xdb\xb4\xac\x0d\x2d\x2b\x00\x3c\x28\xfa\xf7\xb1\xd3\x37"
      "\xa2\xf8\x5e\x9f\xd7\xff\x4f\xdc\xf9\x4a\xc1\x44\xde\xca\x3b\x59\xcb\xd5"
      "\x8c\x57\xbf\x36\xa8\xbe\x71\xb0\x6d\xa9\xb5\x2d\x5f\x43\x18\xef\xf3\x6e"
      "\x40\x6d\x4b\x0f\x2f\xe3\x7d\xde\x0f\xa8\x6d\xe9\xe8\x65\xbc\xcf\x3b\x02"
      "\xb5\x2d\xdd\xcb\x00\xc0\x61\x72\xba\x4f\x3b\xbc\x9b\xf6\x7f\xbc\xcf\xeb"
      "\xff\x9a\xaf\x14\x02\xc0\x03\xe5\x4e\x0f\xf6\xf7\x71\x62\xd0\xfb\x08\x00"
      "\xdc\x4b\x2b\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xfb\xef\x20\xee\xff\x6f\xc2\x84\x89\x6f\xdb"
      "\xc4\xa0\xaf\x4c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x1c\x84\x22\x39\xb2\xdd\xf2\xa1\xe4\xa1\x24"
      "\x8d\x24\x67\x0f\x3e\xab\xfb\xe7\xe6\xa0\x13\x18\xb0\xe2\x76\x6e\xe7\xfd"
      "\x3c\x3a\xe8\x3c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0e\x9b\x8d\xfb\xff\x0f\xa5\x3b\x7e"
      "\xb8\xbb\x28\xc3\x43\xc9\x99\x24\x57\x92\xfc\x78\xd0\x39\xee\xa7\xdb\x83"
      "\x4e\x60\xc0\xb6\xdc\xff\xbf\x3c\xe6\x59\x2f\x32\xdc\x3d\xec\x29\x46\x66"
      "\x9b\xcb\x9d\xc5\xf2\xf0\x57\x7d\x3f\x0c\x7d\xf1\xf1\x27\x1f\x95\xc3\x5e"
      "\xea\x29\x0b\x28\x6b\xb8\xa7\x73\x89\x8d\x1a\x7a\x6f\xf5\x78\xb5\x55\xad"
      "\x79\xed\xbd\x1b\xbf\x7c\xe7\x17\xf5\xe6\x85\x2a\xc9\x0b\xab\x73\x0b\xcd"
      "\xc5\xf9\xe5\x1f\xdc\x0d\x7c\xaa\xf8\x34\xa9\xa7\x3b\x6c\xda\xcc\xf7\xd7"
      "\x67\xfe\xfe\xc7\x6d\xf6\xfc\xd3\x72\x4f\x77\x57\xef\x5c\x55\x6f\xf3\xeb"
      "\xf5\xfe\xff\x76\x5b\xef\x5c\xef\x4e\xae\xaf\x5d\x9b\x2a\x6b\x5a\x6d\xbd"
      "\xb1\xfa\xab\x9f\x5f\x7f\x7f\xcb\xaa\x27\x72\x2a\x79\x6e\x2c\x19\xbb\xb7"
      "\xa6\x9f\x95\x43\x8f\x9a\x4e\x65\x64\xa7\xda\x8a\x2f\x8b\xdf\x15\x8f\xe6"
      "\xcf\xb9\x52\x1d\xff\xf2\xd1\x28\xd6\x8b\xf2\x10\x3d\x56\xed\xff\xff\xbe"
      "\x7d\x7d\xed\xda\xc4\x5b\xef\xac\x5d\xed\x91\xd3\xd1\x9c\x4c\x72\x35\x19"
      "\xdd\x7d\x4e\x27\xab\xeb\xc9\xb6\xaa\xb3\x6e\x68\xa4\xac\xb5\x51\x05\x95"
      "\xff\x8e\xf5\x29\x6f\x47\x5b\x4a\x9c\xec\xb1\x0f\x8f\x57\xa7\x4c\xed\x1b"
      "\xed\x43\xbd\xf7\x3e\x54\xfa\x3c\xee\x1b\x19\x9d\xeb\x91\xd1\x93\x79\xfe"
      "\x1b\x1f\xe9\xe7\xfb\xd4\xb8\xad\xe2\xcb\xe2\x9f\xc5\xc5\xfc\x23\xbf\xdd"
      "\xd2\xff\xc7\x50\x79\xfc\xcf\x64\x37\xcf\xce\x32\xa6\x8a\xdc\x72\xa6\xf4"
      "\x8c\x1c\xea\x46\x56\x7b\x3e\xb5\x63\x99\x3d\x9f\x95\xdc\x07\xbf\xcf\x4f"
      "\xf3\xfd\x3b\xc7\x7f\x68\xcb\xf5\x7f\xe3\x58\x1d\xcc\xf5\x68\x4b\x8d\x07"
      "\xf4\xbc\xa8\x5a\xa4\x63\x5f\x69\x91\x36\xae\x3e\xbd\xb6\xd9\xc8\xf3\x58"
      "\x37\xaa\x47\x9e\xff\x97\x97\x93\xe1\x13\xdf\xe8\x8a\xf2\x72\x9f\x2b\xca"
      "\xfd\x7a\xfe\xff\xa5\x18\xcb\xbf\x72\x53\xff\x3f\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x83\xaf\x48\x8e\x6c\xb7\x7c\x28\x39\x93\xe4\x68\x92\xc7\xca"
      "\xf9\x7a\xb2\xbe\x1f\xf5\x0d\xd5\x8a\xfd\x28\x66\xcf\x6e\x0e\xb4\xf6\xc1"
      "\x2b\x6e\xe7\x76\xde\xcf\xa3\x83\xce\x03\x00\x00\x00\x00\x00\x00\x80\xfd"
      "\x71\xa1\xf9\xc5\xc7\x9f\x7c\x54\x0e\xd5\xe7\xf1\x47\xf2\x9d\xe2\xb3\x64"
      "\xb4\xfb\x49\xff\x70\x92\xa3\xc5\x9f\x46\x66\x9b\xcb\x9d\xc5\x3e\x05\x8d"
      "\x24\x57\x92\xdc\xda\x43\x0e\xe5\x76\x79\xe4\xee\xfc\xad\x72\xee\xf8\x1e"
      "\x0a\x02\x00\x76\xe5\xdf\x01\x00\x00\xff\xff\xb4\x22\x66\xf3",
      2337);
  syz_mount_image(/*fs=*/0x200000000940, /*dir=*/0x200000000980, /*flags=*/0,
                  /*opts=*/0x200000000240, /*chdir=*/3, /*size=*/0x921,
                  /*img=*/0x200000000a00);
  memcpy((void*)0x200000000640, "/dev/loop#\000", 11);
  res = -1;
  res = syz_open_dev(/*dev=*/0x200000000640, /*id=*/0,
                     /*flags=O_NOFOLLOW|FASYNC|O_APPEND*/ 0x22400);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x2000000000c0 = 0;
  *(uint16_t*)0x2000000000c8 = 0;
  *(uint64_t*)0x2000000000d0 = 0;
  *(uint16_t*)0x2000000000d8 = 0;
  *(uint32_t*)0x2000000000e0 = 3;
  *(uint32_t*)0x2000000000e4 = 0x12;
  *(uint32_t*)0x2000000000e8 = 0;
  *(uint32_t*)0x2000000000ec = 0x18;
  memcpy((void*)0x2000000000f0,
         "\x6a\x95\x9f\x16\xb6\x78\x7b\x08\xae\x26\xe6\x6c\x40\x56\xa5\x16\x95"
         "\x28\x48\x54\xc2\x82\xec\x6b\xcf\xee\xf4\xfb\x0e\xfc\xc1\xd1\xa6\x07"
         "\x8e\xd9\x8e\x03\x3f\xd5\xf0\x64\x39\x02\xdd\x8f\x6f\xac\x27\x4d\xe9"
         "\xd9\x40\xbb\xa5\xe5\x92\xbb\xd4\xce\x85\x45\x0d\x00",
         64);
  memcpy((void*)0x200000000130,
         "\xf6\x25\x57\x53\x2b\xf8\xf6\x30\x01\xbe\x49\xa7\x39\xa8\x23\x1a\x90"
         "\x4d\xc8\xdf\x62\xa3\x88\x93\xec\x00\x34\x7f\x41\x44\x62\x08",
         32);
  *(uint64_t*)0x200000000150 = 2;
  *(uint64_t*)0x200000000158 = 0xbd;
  *(uint32_t*)0x200000000160 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4c02, /*arg=*/0x2000000000c0ul);
  memcpy((void*)0x2000000000c0, ".\000", 2);
  res = syscall(__NR_open, /*file=*/0x2000000000c0ul, /*flags=*/0ul,
                /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_lseek, /*fd=*/r[1], /*offset=*/0x7fful, /*whence=*/0ul);
  syscall(__NR_getdents64, /*fd=*/r[1], /*ent=*/0ul, /*count=*/0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-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=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}