// https://syzkaller.appspot.com/bug?id=330c57bb9492535fc883e94c3bbb1c74aa8e29af
// 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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000b40, "nilfs2\000", 7);
  memcpy((void*)0x20000000, "./bus\000", 6);
  memcpy(
      (void*)0x20000b80,
      "\x78\x9c\xec\xdd\x4f\x8c\x1b\x57\xfd\x00\xf0\x37\xde\xf5\xa6\x69\x92\xc6"
      "\xe9\x2f\xf9\x75\x49\x4b\x49\x28\xb4\xe5\x4f\x77\x9b\xcd\x12\xfe\x44\x90"
      "\x54\xcd\x85\xa8\xa9\xb8\x55\xaa\xb8\x44\x49\x5a\x22\xd2\x80\x48\xa5\xd2"
      "\x2a\x12\x49\x4e\xdc\x68\x15\x85\x2b\x7f\xc4\xa9\x97\x0a\x10\x12\xbd\xa0"
      "\xa8\x27\x2e\x95\x68\x24\x2e\x3d\x15\x0e\x1c\x88\x82\x54\x89\x03\x14\x12"
      "\xa3\xf5\xce\xf3\x7a\xbf\x6b\x77\xec\xcd\xee\xda\xbb\xfb\xf9\x48\xcf\xcf"
      "\x6f\xde\xd8\xef\x8d\x3d\x33\x1e\xbf\x99\x79\x2f\x01\x9b\x56\xad\xf5\x38"
      "\x3b\x3b\x59\xa4\x74\xed\xed\xab\xc7\xfe\xfe\xe8\xdf\xb6\xce\x4d\x39\xd2"
      "\x9e\xa3\xd1\x7a\x1c\xef\x48\xd5\x53\x4a\x45\x99\x1e\x0f\xef\xf7\xc1\xd8"
      "\x7c\x7c\xfb\xc3\x8b\xa7\xba\xc5\x45\x9a\x69\x3d\xe6\x74\x7a\xf6\x56\xfb"
      "\xb5\xdb\x52\x4a\x97\xd2\xbe\x74\x3d\x35\xd2\xde\x6b\x37\xde\x78\x77\xe6"
      "\x99\x13\x97\x8f\x5f\xd9\xff\xde\x9b\x87\x6f\xae\xce\xd2\x03\x00\xc0\xe6"
      "\xf2\xad\xeb\x87\x67\xf7\xfc\xe5\x4f\x0f\xee\xfa\xe8\xad\x87\x8f\xa6\x2d"
      "\xed\xe9\xf9\xf8\xbc\x51\xa6\xb7\x97\xc7\xfd\x47\xcb\x03\xff\x7c\xfc\x5f"
      "\x4b\x8b\xd3\x45\x47\xe8\x34\x11\xe6\x1b\x2f\x43\xad\xfb\x6c\x4b\xfe\x5f"
      "\xe4\xf9\xea\x65\x3c\x16\xf2\x63\xf9\x13\xa1\xfc\x7a\x8f\xf9\xb6\x84\xf9"
      "\xc6\xc2\x7c\x63\x1d\xd3\xba\x2d\x37\xac\x67\x79\x3d\x6e\xa4\xa2\x36\xb5"
      "\x28\x5d\xab\x4d\x4d\xcd\xff\x27\x4f\xad\xff\xf5\x13\xc5\xd4\xf9\xb3\xe7"
      "\x5e\xb8\x30\xa4\x8a\x02\x2b\xee\x9f\x9f\x4a\x29\xed\x1b\x20\xd4\x06\x9c"
      "\x5f\x58\xcd\xf0\x4a\xab\xb1\x76\xd5\xcb\x69\xce\xaf\x2c\xc3\x5f\xde\x15"
      "\x0f\x97\xbb\x2f\xd7\xf8\x0a\x96\x51\x1b\xf6\x32\x7e\x5c\x68\xee\x1c\xee"
      "\xfe\x07\x20\x8b\xe7\x0b\x97\xb8\x14\x5b\x16\xee\x4e\xfb\xdd\xc6\xfb\x2b"
      "\xff\xd6\x53\xb5\xee\xaf\x87\x15\xb0\xd6\xeb\xbf\xf2\xd7\x57\xf9\xbf\xba"
      "\x6c\x8f\xc3\xca\xd9\xa8\x6b\x53\x5e\xae\xbc\x1d\x6d\x2f\xd3\xf1\x3c\x42"
      "\xbc\x7e\x69\xd0\xed\x3f\xbf\x5f\x3c\x1f\x51\xef\x51\xaf\xcb\x21\xdd\xeb"
      "\x3c\xc2\x7a\x39\xbf\xd0\xab\x9e\x63\x6b\x5c\x8f\xe5\xea\x55\xff\xb8\x5e"
      "\x6c\x54\x5f\x2f\xe3\xfc\x39\x7c\x23\xe4\x77\x6e\x3f\xf1\x3b\x5d\x2f\xdf"
      "\x31\xd0\xdd\xbf\x06\x6d\xff\x5f\xed\x90\x0d\xbb\x1e\x9b\x34\xb4\xda\x83"
      "\x47\xa0\x1e\xc2\x1a\x7d\xdf\x43\xdc\xf7\x00\xa3\x2d\x5e\x37\xd7\x2c\xe5"
      "\xfc\x78\x5d\x5f\xcc\xdf\x52\x91\x7f\x4f\x45\xfe\xd6\x8a\xfc\x7b\x2b\xf2"
      "\xb7\x55\xe4\xc3\x66\xf6\xdb\x97\x7f\x92\x5e\x2f\x16\xfe\xe7\x2f\xfc\xa7"
      "\xbf\xaf\xb5\xe9\x0c\xda\x1e\x96\xdb\xd9\x76\xe4\x77\x19\xb0\x3e\xb1\x3d"
      "\x32\x96\x1f\xaf\xeb\x8d\xe5\x2f\xc9\x1f\x48\xad\xb2\xfc\x25\x42\xf9\x8b"
      "\xae\x27\x3e\x72\x57\x95\x81\x55\xf7\xfb\x93\xcf\x9d\xf9\xca\xe9\xe7\x6f"
      "\xcc\x5f\xff\x5f\xb4\xd7\xff\x3b\xe5\xfa\xbe\xaf\x4c\x37\xca\x6d\xeb\x7a"
      "\x39\x43\x6e\x2f\x8c\xed\xea\xed\x6b\xff\x1b\x8b\xcb\xa9\xf5\x98\xef\xfe"
      "\x50\x9f\x1d\x5d\xe6\x6f\x3d\xdf\xbd\x78\xbe\xa2\x95\x6e\xb6\xeb\x7b\x5f"
      "\xaf\x7a\x4c\x2e\x7e\xdd\xce\xd0\xe4\xdb\x9e\xef\xa1\xc5\xf3\x35\xc2\xfb"
      "\x6d\x2d\xc3\x3d\xa1\xbe\xf1\xf8\xe4\xde\xf0\xba\x7c\xfc\x91\xf7\xab\xf9"
      "\xf3\x1a\x0f\xcb\xdb\x3a\xce\x6a\x36\xdb\xcb\x31\x11\xea\x91\xf7\x2b\xbb"
      "\xca\x38\xd6\x03\x96\x23\xaf\x8f\xbd\xae\xff\xcf\xeb\xe7\x64\xaa\x17\x2f"
      "\x9c\x3d\x77\xe6\xc9\x32\x9d\xd7\xd3\x3f\x8e\xd5\xb7\xcc\x4d\x3f\xb0\xc6"
      "\xf5\x06\xee\x5e\xbf\xf7\xff\x4c\xa6\x7c\xff\xcf\xfc\x2f\xcf\xf6\xf6\xf4"
      "\x7a\xad\x73\xbf\xb0\x73\x61\x7a\xd1\xb9\x5f\x68\x84\xe9\x33\x3d\xa6\x1f"
      "\x2c\xd3\xf9\x77\xee\x3b\x63\x5b\x5b\xd3\xa7\x4e\x7d\xef\xdc\xe9\x15\x5f"
      "\x7a\xd8\xdc\x2e\xbc\xfa\xda\x77\x4f\x9e\x3b\x77\xe6\x07\x9e\x78\xe2\x49"
      "\xc5\x93\xb9\xff\x7b\x23\x50\x8d\x35\x79\x32\xec\x3d\x13\xb0\xda\xa6\x5f"
      "\x7e\xe9\xfb\xd3\x17\x5e\x7d\xed\x89\xb3\x2f\x9d\x7c\xf1\xcc\x8b\x67\xce"
      "\x1f\x3c\x74\xe8\xe0\xcc\xcc\xa1\xaf\x1e\x9c\x9d\x6e\x1d\xd7\x4f\x77\x1e"
      "\xdd\x03\x1b\xc9\xc2\x8f\xfe\xb0\x6b\x02\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\xf4\xeb\x95\xe3\xc7\x6e\xfc\xf9\x9d\x2f\xbf\x3f\x7f\xff\xff\xc2\xfd"
      "\x7f\xf9\xfe\xff\x7c\xe5\x6f\xbe\xff\xff\xc7\xe1\xfe\xff\x78\x9f\x7c\xbe"
      "\x0f\x3e\xdf\x07\xb8\xab\x4b\x7e\x6b\x9e\xd0\xc1\xea\x44\x98\xaf\x5e\x86"
      "\xff\x0b\xf5\xdd\x1d\xca\xd9\x13\x5e\xf7\xff\x65\xdc\x1e\xc7\xaf\xbc\xff"
      "\x3f\x17\x17\xfb\x75\xcd\xf5\x79\x20\x4c\x8f\xfd\xf7\xe6\xf9\x42\x77\x02"
      "\x4b\xfa\x40\x9d\x08\x7d\x90\xc4\xf1\x02\x3f\x5d\xc6\x57\xca\xf8\x97\x09"
      "\x86\xa8\xd8\xda\x7d\x72\x19\x97\xeb\x6d\xbb\xbb\x89\xd8\xbf\x75\x5e\xd7"
      "\x73\xff\x14\xfa\xa5\x58\x9f\xf2\xf7\x96\xd7\x86\xdc\x8f\x49\xbe\xff\xbb"
      "\x57\xbf\x4e\x79\xff\xbf\x6b\x0d\xea\xc8\xca\xfb\xf8\xdb\x00\x9b\xcd\x95"
      "\xb8\x9d\x70\xd8\xcb\x08\x74\xf7\x8f\xd8\xff\x77\x1a\x7e\x9f\xc4\x83\x84"
      "\xf6\xf1\xc6\x08\xd4\x45\x10\x86\x14\x9a\xcd\xe6\x8f\x96\xb5\x1d\x34\x9b"
      "\x46\xf1\x00\x46\xc3\xb0\xc7\xff\xcc\xed\x9e\x39\x3e\xff\x87\x6f\xde\x33"
      "\x17\xf2\x6c\xb7\x9e\x5a\xbc\xbf\x8c\xfd\x97\xc2\xdd\x18\xf5\xf1\x27\xd7"
      "\xa2\xfc\x7a\x45\xf9\xdd\x5b\x2c\x57\xae\xfc\x34\xc2\x9f\xff\x4a\x8f\xff"
      "\xd9\xee\x0c\xb9\xef\xfd\x5f\x18\x31\xaf\xd1\x7f\x59\x9d\x6d\xc3\xff\xfe"
      "\xd9\xcd\xf7\x3b\x8a\x4d\x7b\xfb\x2d\x3f\x2e\x7f\x79\x42\xa8\xd8\xdd\x7f"
      "\x3d\xe6\x7c\x54\x96\x9f\x97\xe6\xb1\xd4\xab\xfc\x22\x75\x96\xdf\xfc\x45"
      "\x28\x7f\xcb\x60\xe5\x66\xff\x09\xe5\xdf\xdb\xb3\xfc\xde\xcb\x7f\x31\x2d"
      "\xed\xb7\xba\x5f\xff\x2d\xcb\xcf\x1f\xdb\xe3\x8f\xf4\x5b\xfe\x7c\x8d\x8b"
      "\xda\xe2\xcf\x21\xb6\x1b\xe7\xf3\x7f\xdb\xd3\xd5\xd6\x0f\xe6\x8e\x50\xfe"
      "\xed\xb0\xfc\xa7\x97\xb1\xfc\x2d\xcb\x1c\xa8\xf1\x4e\x59\x3e\x6c\x66\xeb"
      "\x65\x9c\xd9\x41\x8d\xea\xf8\xbf\xfd\x8a\xd7\x61\x7c\xa9\x4c\xe7\x1d\x61"
      "\xbe\xce\x21\x8e\x77\x32\x68\xfd\xf3\xf5\x15\xf9\x77\x60\x4f\x78\xff\x22"
      "\x5e\xf0\xd0\xa3\x9e\x51\xf7\x56\xa5\x38\xfa\xf1\xf0\x6d\xf6\xf1\x7f\xbf"
      "\x56\xc6\x55\xdb\x43\x1e\xff\x37\xaf\x8f\x8d\x2e\xe9\x5a\x47\xba\xde\xe5"
      "\xb3\xdd\xa8\xfb\x1a\x58\xaf\x3e\x18\xb5\xf1\x7f\x05\x41\x58\xb3\xd0\x6c"
      "\x36\x57\xb7\x41\xab\xc2\x80\x85\x2f\xb3\xb5\x85\x5e\x86\xfa\xe5\xf7\xfc"
      "\x9f\xb0\x79\xca\x1f\xf6\xe7\x5f\x25\x8e\xff\x1b\x8f\xe1\xe3\xf8\xbf\x31"
      "\x3f\x8e\xff\x1b\xf3\xe3\xf8\xbf\x31\x3f\x8e\xaf\x17\xf3\xe3\xf8\xbf\xf1"
      "\xf3\x8c\xe3\xff\xc6\xfc\x07\xc2\xfb\xc6\xf1\x81\x27\x2b\xf2\x3f\x51\x91"
      "\xbf\xb7\x22\xff\xc1\x8a\xfc\x87\x2a\xf2\x3f\x59\x91\xbf\xbf\x22\xff\xe1"
      "\x8a\xfc\x38\x6e\x63\xcc\xbf\x3f\xb4\xeb\xc7\xfc\x47\x2a\x5e\xff\x99\x8a"
      "\xfc\xcf\x56\xe4\x3f\x5a\x91\xff\x78\x45\xfe\xe7\x2a\xf2\x37\xba\x7c\x3f"
      "\xca\x66\x5d\x7e\xd8\xcc\xe2\xfd\x79\x7d\x6e\xff\xa3\x7e\xd8\x02\xf4\x21"
      "\x9f\xff\xe9\xb5\xfd\xef\xae\xc8\x07\xd6\xaf\x9f\xbe\x75\xe0\xe9\xe7\x7f"
      "\xf3\xed\xc6\xfc\xfd\xff\x13\xed\xf6\x90\x7c\x1e\xef\x68\x99\xae\x97\x3f"
      "\xfa\x3f\x2c\xd3\xf1\xbc\x77\xea\x48\xcf\xe5\xbd\x53\xa6\xff\x1a\xf2\x1d"
      "\x38\xc0\xe8\x88\xfd\x67\xc4\xdf\xf7\xc7\x2a\xf2\x81\xf5\x2b\x5f\xe7\x65"
      "\xfb\x86\x4d\xa8\xe8\xde\x63\x4f\xbf\xfd\x56\xf5\x3a\xce\x67\x7d\xf9\x7c"
      "\x19\x7f\xa1\x8c\xbf\x58\xc6\x4f\x94\xf1\x54\x19\x4f\x97\xf1\x81\x32\x9e"
      "\x59\xa3\xfa\xb1\x3a\x9e\xfe\xf5\xef\x0e\xbf\x5e\x2c\xfc\xdf\xdf\x19\xf2"
      "\xfb\xbd\x9e\x3c\xde\x0f\x14\xfb\x89\x3a\xd8\x67\x7d\x62\xfb\xc0\xa0\xd7"
      "\xb3\xc7\x7e\xfc\x06\x75\xb7\xe5\x57\x5c\x2e\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30"
      "\x72\x6a\xad\xc7\xd9\xd9\xc9\x22\xa5\x6b\x6f\x5f\x3d\xf6\xdc\x89\xb3\xd3"
      "\x73\x53\x8e\xb4\xe7\x68\xb4\x1e\xc7\x3b\x52\xf5\xf6\xeb\x52\x7a\xb2\x8c"
      "\xc7\xca\xf8\xe7\xe5\x93\xdb\x1f\x5e\x3c\xd5\x19\xdf\x29\xe3\x22\xcd\xa4"
      "\x22\x15\xed\xe9\xe9\xd9\x5b\xed\x92\xb6\xa5\x94\x2e\xa5\x7d\xe9\x7a\x6a"
      "\xa4\xbd\xd7\x6e\xbc\xf1\xee\xcc\x33\x27\x2e\x1f\xbf\xb2\xff\xbd\x37\x0f"
      "\xdf\x5c\xbd\x4f\x00\x00\x00\x00\x36\xbe\xff\x05\x00\x00\xff\xff\xe0\x58"
      "\x17\x7b",
      2738);
  syz_mount_image(
      /*fs=*/0x20000b40, /*dir=*/0x20000000,
      /*flags=MS_SYNCHRONOUS|MS_SILENT|MS_NOSUID|MS_NOEXEC|0x40*/ 0x805a,
      /*opts=*/0x20000200, /*chdir=*/0, /*size=*/0xab2, /*img=*/0x20000b80);
  memcpy((void*)0x20000040, ".\000", 2);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul,
                /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000200, "./bus/file0\000", 12);
  syscall(__NR_mkdirat, /*fd=*/r[0], /*path=*/0x20000200ul, /*mode=*/0ul);
}
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);
  use_temporary_dir();
  loop();
  return 0;
}