// https://syzkaller.appspot.com/bug?id=f32b4b5fb4ef54fd84130e4126463b052be13cf1
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <setjmp.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/resource.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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 setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  setup_binderfs();
  loop();
  exit(1);
}

void loop(void)
{
  memcpy((void*)0x20000600, "hfsplus\000", 8);
  memcpy((void*)0x20000040,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         251);
  memcpy(
      (void*)0x20000640,
      "\x78\x9c\xec\xdd\xcd\x6f\x1c\x67\x1d\x07\xf0\xef\xac\x1d\xc7\x1b\x4a\xea"
      "\xa6\x49\x1b\x50\xa5\x5a\x8d\x04\x08\x8b\xc4\x2f\x72\xc1\x5c\x08\x08\x21"
      "\x1f\x2a\x54\x95\x03\x67\x2b\x71\x1a\x2b\x9b\xb4\xd8\x2e\x72\x2b\x44\xcd"
      "\xfb\xb5\x87\xfe\x01\xe5\xe0\x1b\x27\x24\xee\x91\xca\x85\x0b\xdc\x7a\xf5"
      "\xb1\x12\x12\x97\x5e\x30\xa7\x45\x33\x3b\x6b\x6f\xec\xb5\x6b\xb7\x89\x77"
      "\xdd\x7e\x3e\xd1\xec\xf3\xcc\x3e\xcf\x3c\xf3\x7b\x7e\x33\xb3\xb3\xbb\x56"
      "\xb4\x01\xbe\xb4\x16\xa7\x32\xfa\x30\x45\x16\xa7\x5e\xd9\x48\x52\x64\x6b"
      "\xae\xb5\xbd\x35\x77\xbf\x6c\xdb\xde\x9a\x6b\x25\x39\x9f\x64\x33\x19\x4d"
      "\xd2\x28\xbb\xfc\xb7\xdd\x6e\x7f\x98\xdc\x2c\x7b\x77\x15\xfb\xca\x03\xde"
      "\x5f\x59\x78\xed\xa3\x4f\xb6\x3f\xee\xac\x8d\xd6\x4b\xd5\xbf\x71\xd4\x76"
      "\xc7\xb3\x59\x2f\x99\x4c\x32\x52\x97\x8f\x6b\xbc\x5b\x9f\x7b\xbc\x62\x77"
      "\x86\x37\x93\x5c\xab\x4b\x18\xb8\x73\x49\xda\x8f\xf8\xc5\x3f\x9e\xda\x6d"
      "\xe9\xd1\xec\xb7\xf5\xf8\xa9\xc4\x08\x3c\x59\x45\xe7\xbe\xd9\xaf\xe1\x42"
      "\x7d\xa1\x97\xef\x03\x3a\x77\xc5\xce\x3d\xfb\x4c\xdb\x1c\x74\x00\x00\x00"
      "\x00\x70\x0a\x9e\xde\xc9\x4e\x36\x8a\x8b\x83\x8e\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\xce\x8a\xcd\xbd\xdf\xff\x2f\xea\xa5\xd1\xad\x4f\xa6\xe8"
      "\xfe\xfe\xff\x58\xfd\x5c\xea\xfa\x70\x79\xf1\x64\xdd\x1f\x3e\xa9\x38\x00"
      "\x00\x00\x00\x00\x00\x00\xe0\x14\xbd\xb8\x93\x9d\x6c\xe4\x62\x77\xbd\x5d"
      "\x54\x7f\xf3\x7f\xa9\x5a\xb9\x5c\x3d\x7e\x25\x6f\x65\x2d\xcb\x59\xcd\xf5"
      "\x6c\x64\x29\xeb\x59\xcf\x6a\x66\x92\x4c\xf4\x0c\x34\xb6\xb1\xb4\xbe\xbe"
      "\x3a\x73\x8c\x2d\x67\xfb\x6e\x39\xfb\x29\x81\x9e\xaf\xcb\xe6\xe3\x99\x37"
      "\x00\x00\x00\x00\x00\x00\x00\x7c\xc1\xfc\x36\x8b\x7b\x7f\xff\x07\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\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\x61\x50\x24\x23\x9d\xa2\x5a\x2e\x77"
      "\xeb\x13\x69\x8c\x26\x19\x4f\x32\x56\xf6\xdb\x4c\xfe\xd5\xad\x9f\x65\x0f"
      "\x07\x1d\x00\x00\x00\x00\x9c\x82\xa7\x77\xb2\x93\x8d\x5c\xec\xae\xb7\x8b"
      "\xea\x33\xff\x73\xd5\xe7\xfe\xf1\xbc\x95\x07\x59\xcf\x4a\xd6\xd3\xca\x72"
      "\x6e\x57\xdf\x05\x74\x3e\xf5\x37\xb6\xb7\xe6\x5a\xdb\x5b\x73\xf7\xcb\xe5"
      "\xe0\xb8\x3f\xfc\xcf\x89\xc2\xa8\x46\x4c\xe7\xbb\x87\xfe\x7b\xbe\x5a\xf5"
      "\x68\xe6\x4e\x56\xaa\x67\xae\xe7\x56\xde\x48\x2b\xb7\xd3\xa8\xb6\x2c\x5d"
      "\xad\xe3\xe9\x8e\xba\x2f\xae\xdf\x94\x31\x15\x3f\xa8\x1d\x33\xb2\xdb\x75"
      "\x59\xce\xfc\xbd\xba\x3c\xe0\xdd\x13\x4d\xf6\x30\x27\xfc\x32\x65\xa2\xca"
      "\xc8\xb9\xdd\x8c\x4c\xd7\xb1\x95\xd9\x78\xa6\x7b\x64\xfa\x1f\xa1\x13\x1e"
      "\x9d\xfd\x7b\x9a\x49\x63\x37\xd8\xcb\xfb\xf6\xb4\x6f\x12\x9f\x29\xe7\x17"
      "\xea\xb2\x9c\xcf\x1f\x0f\xcb\xf9\x40\xec\xcf\xc4\x6c\xcf\xd9\xf7\xdc\xd1"
      "\x39\x4f\xbe\xf9\xb7\xbf\xfc\xfc\x6e\xeb\xc1\xbd\xbb\x77\xd6\xa6\x86\x67"
      "\x4a\xc7\x33\x52\x97\xed\xea\xb1\x79\x30\x13\x73\x3d\x99\x78\xfe\x8b\x9c"
      "\x89\x03\xa6\xab\x4c\x5c\xd9\x5d\x5f\xcc\x4f\xf2\xb3\x4c\x65\x32\xaf\x66"
      "\x35\x2b\xf9\x65\x96\xb2\x9e\xe5\x4c\xe6\xc7\x55\x6d\xa9\x3e\x9f\x8b\xbd"
      "\x4b\x7e\x3c\xfd\x33\x75\xf3\x91\xb5\x57\x3f\x2d\x92\xb1\xfa\x0c\xed\x1c"
      "\xac\x93\xc5\xf4\x52\xb5\xed\xc5\xac\xe4\xa7\x79\x23\xb7\xb3\x9c\x97\xab"
      "\x7f\xb3\x99\xc9\x77\x33\x9f\xf9\x2c\xf4\x1c\xe1\x2b\x47\x1f\xe1\xea\xaa"
      "\x6f\x1c\x72\xd5\xb7\xbf\xda\x37\xf8\x6b\xdf\xaa\x2b\xcd\x24\x7f\xaa\xcb"
      "\xe1\x50\xe6\xf5\x99\x9e\xbc\xf6\xbe\xe6\x4e\x54\x6d\xbd\xcf\xec\x65\xe9"
      "\xd2\x31\xb2\x74\xc2\xd7\xc6\xd1\xaf\xd7\x95\x72\x1f\xbf\xab\xcb\xe1\xb0"
      "\x3f\x13\x33\x3d\x99\x78\xf6\xe8\x4c\xfc\xb9\x7a\x59\x59\x6b\x3d\xb8\xb7"
      "\x7a\x77\xe9\xcd\xe3\xed\xee\xd2\x7b\x75\xa5\xbc\x8e\xfe\x30\x54\x77\x89"
      "\xf2\x7c\xb9\x54\x1e\xac\x6a\xed\xd1\xb3\xa3\x6c\x7b\xb6\x6f\xdb\x4c\xd5"
      "\x76\x79\xb7\xad\x71\xa0\xed\xca\x6e\x5b\xe7\x4a\xdd\x3c\xf4\x4a\x1d\xab"
      "\xdf\xc3\x1d\x1c\x69\xb6\x6a\x7b\xbe\x6f\xdb\x5c\xd5\x76\xb5\xa7\xad\xdf"
      "\xfb\x2d\x00\x86\xde\x85\x6f\x5f\x18\x6b\xfe\xbb\xf9\xcf\xe6\x07\xcd\xdf"
      "\x37\xef\x36\x5f\x19\xff\xd1\xf9\xef\x9d\x7f\x61\x2c\xe7\xfe\x7e\xee\xfb"
      "\xa3\xd3\x23\xdf\x68\xbc\x50\xfc\x35\x1f\xe4\xd7\x7b\x9f\xff\x01\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x80\xcf\x6e\xed\xed\x77\xee\x2d\xb5\x5a\xcb\xab\xfb\x2a\xed\x76"
      "\xfb\xdd\x43\x9a\xce\x72\xa5\xfb\x73\x66\xa7\xb8\xd3\xaf\x3d\x95\x0c\xc5"
      "\xdc\x07\x5a\xf9\x5f\xbb\xdd\xae\x9f\x29\x86\x21\x9e\xa3\x2b\xed\xda\xb0"
      "\xc4\x33\x88\xca\x10\xfd\xae\x16\xf0\x44\xdc\x58\xbf\xff\xe6\x8d\xb5\xb7"
      "\xdf\xf9\xce\xca\xfd\xa5\xd7\x97\x5f\x5f\x7e\xb0\x30\x3f\xbf\x30\xbd\x30"
      "\xff\xf2\xdc\x8d\x3b\x2b\xad\xe5\xe9\xce\xe3\xa0\xa3\x04\x9e\x84\xbd\x9b"
      "\xfe\xa0\x23\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8e\xeb\x34\xfe\x3b"
      "\xc1\xa0\xe7\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x9c\x6d\x8b\x53\x19\x7d\x98\x22\x33\xd3\xd7"
      "\xa7\xcb\xf5\xed\xad\xb9\x56\xb9\x74\xeb\x7b\x3d\x47\x93\x34\x92\x14\xbf"
      "\x4a\x8a\x0f\x93\x9b\xe9\x2c\x99\xe8\x19\xae\x38\x6c\x3f\xef\xaf\x2c\xbc"
      "\xf6\xd1\x27\xdb\x1f\xef\x8d\x35\xda\xed\xdf\x38\x6a\xbb\xe3\xd9\xac\x97"
      "\x4c\x26\x19\xa9\xcb\xc7\x35\xde\xad\xcf\x3d\x5e\xb1\x3b\xc3\x32\x61\xd7"
      "\xba\x89\x83\x41\xfb\x7f\x00\x00\x00\xff\xff\x74\x92\x0d\x8a",
      1599);
  syz_mount_image(/*fs=*/0x20000600, /*dir=*/0x20000040,
                  /*flags=MS_POSIXACL|MS_SYNCHRONOUS|MS_NOATIME*/ 0x10410,
                  /*opts=*/0x20000440, /*chdir=*/1, /*size=*/0x63f,
                  /*img=*/0x20000640);
  memcpy((void*)0x20007f80, "./bus\000", 6);
  syscall(__NR_open, /*file=*/0x20007f80ul,
          /*flags=O_SYNC|O_NOCTTY|O_NOATIME|O_DIRECT|O_CREAT|0x2*/ 0x145142ul,
          /*mode=*/0ul);
  memcpy((void*)0x20000240, "blkio.bfq.io_wait_time\000", 23);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000240ul,
          /*flags=*/0x275aul, /*mode=*/0ul);
  memcpy((void*)0x20000000, "blkio.bfq.io_queued\000", 20);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000000ul,
          /*flags=*/0x275aul, /*mode=*/0ul);
  memcpy((void*)0x20000280, "cgroup.controllers\000", 19);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000280ul,
          /*flags=*/0x275aul, /*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);
  do_sandbox_none();
  return 0;
}