// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26
// 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 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, loopfd = -1, 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) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    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) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  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);
}

uint64_t r[1] = {0xffffffffffffffff};

void loop(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000000, "hfsplus\000", 8);
  memcpy((void*)0x200000c0, "./file1\000", 8);
  memcpy(
      (void*)0x20001000,
      "\x78\x9c\xec\xdd\xcd\x6f\x1c\x67\x1d\x07\xf0\xef\xae\xd7\x2f\x9b\x48\xc6"
      "\x69\xd3\x34\xa0\x4a\x44\x8d\x54\x10\x11\x89\x1d\x2b\x85\x70\x49\x40\x08"
      "\x19\xa9\x42\x55\x38\x20\x8e\x56\xe3\x34\x56\x36\x69\x70\x5c\x94\x56\x88"
      "\x9a\x37\x71\xe5\xc0\x1f\x10\x0e\x46\x42\x70\x40\x20\x84\x84\x84\x14\xa9"
      "\x9c\xe1\xd6\xab\xc5\xa9\x12\x12\x97\x9e\x42\x0f\x0c\x9a\xd9\x59\x7b\xed"
      "\xf8\x65\xdd\xda\xac\x93\x7e\x3e\xd1\xec\xf3\xcc\x3c\xf3\x3c\xf3\x9b\xdf"
      "\xbc\xed\x6e\x64\x6d\x80\x4f\xac\xb9\x73\x69\x3d\x4c\x3b\x73\xe7\x5e\xb9"
      "\x5f\xce\xaf\xad\xce\x76\xd6\x56\x67\x6f\xf7\xea\x49\xc6\x93\x34\x93\x56"
      "\xb7\x48\xe3\x4e\xd2\x78\x37\xb9\x9a\xee\x94\x4f\x97\x0b\xeb\xe1\x1a\x3b"
      "\x6d\xe7\x97\x8b\x97\xaf\xbd\xf7\xc1\xda\xfb\xdd\xb9\x56\x36\xc6\x2b\x5f"
      "\xda\x8f\x77\x18\xdf\xcf\x5e\xac\xd4\x53\xce\x24\x19\xa9\xcb\x5d\x07\x5a"
      "\x19\x7c\xbc\xd7\x36\x8f\x37\xa8\xbe\xed\x36\xd6\x33\x53\x26\xec\x6c\x2f"
      "\x71\x30\x6c\xa3\x49\x8a\x4d\xbe\x77\x6a\xa3\x65\x3b\xc5\x48\xdf\xcc\x8e"
      "\xd7\x3b\xf0\xe4\x68\x54\xcf\xcd\xfe\xcb\xb9\x7b\xfd\x4f\x25\xc7\x92\x4c"
      "\xf4\x1e\x68\xf5\x73\xb3\x39\x94\x20\x0f\xd0\xee\xcf\x7f\x00\x00\x00\x78"
      "\x0a\xd4\xdf\xf4\xbd\x73\x3f\x93\xc3\x0e\x05\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x9e\x24\xdd\xdf\xff\x2f\x8b\x6a\x6a\xf6\xea\x67\xd2\xe8\xfd\xfe"
      "\xff\x58\xbd\x2c\x75\xfd\x68\x1a\x30\xb2\x87\xcd\xc3\x0e\x04\x00\x00\x00"
      "\x00\x00\x00\x00\x0e\xdf\x67\x1f\xe5\xb7\xd7\x8a\x62\xb2\x37\x5f\x34\xaa"
      "\xff\xf3\x7f\xb1\x9a\x39\x59\xbd\x1e\xcf\x9b\xb9\x97\x85\x2c\x1d\x3f\x9f"
      "\xfb\x99\xcf\x72\x96\xb3\x94\x99\x24\x53\x7d\x03\x8d\xdd\x9f\x5f\x5e\x5e"
      "\x9a\xe9\xf5\xfc\xb0\x28\x8a\x8d\x9e\xe9\xef\x79\x71\xdb\x9e\x17\x07\x0c"
      "\xb8\x7d\x10\x7b\x0d\x00\x00\x00\x00\x00\x00\x00\x4f\x8d\x2b\x75\xf9\xe3"
      "\xcc\x65\x72\xc8\xb1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\x26"
      "\x8d\x64\xa4\x5b\x54\xd3\xc9\x5e\x7d\x2a\xcd\x56\x92\x89\x24\x63\xe5\x7a"
      "\x2b\xc9\x3f\x7a\xf5\x27\xd9\xc3\x61\x07\x00\x00\x00\x00\xfb\xf0\x9b\x8f"
      "\xd8\xef\x53\x8f\xf2\x28\xf7\x33\xd9\x9b\x2f\x1a\xd5\x67\xfe\x53\xd5\xe7"
      "\xfe\x89\xbc\x99\x3b\x59\xce\x62\x96\xd3\xc9\x42\xae\x57\xdf\x05\x74\x3f"
      "\xf5\x37\xd7\x56\x67\x3b\x6b\xab\xb3\xb7\xcb\xe9\xf1\x71\xbf\xfa\xef\x8d"
      "\xfa\x1f\x27\xf7\x0c\xa3\x1a\x31\xdd\xef\x1e\xb6\xdf\xf2\xe9\x6a\x8d\x76"
      "\x6e\x64\xb1\x5a\x72\x3e\xaf\xe5\x8d\x74\x72\x3d\xcd\xaa\x67\xe9\x74\x2f"
      "\x9e\xed\xe3\xfa\x51\x19\x53\xe3\x4a\xa5\x59\x14\x83\x25\xe8\x7a\x5d\x96"
      "\x7b\xfe\x8b\xba\x3c\x1a\xa6\xaa\x8c\x8c\xae\x67\x64\xba\x8e\xad\xcc\xc6"
      "\x89\xdd\x33\xd1\x7f\x74\x3e\xc2\x96\x66\xd2\x5c\xff\xe6\xe7\xe4\xe0\x39"
      "\xbf\x72\x65\xd7\xad\x34\xfe\xdb\x3b\x26\xc7\x7a\x4b\x92\xe3\xdf\xdc\x3b"
      "\xe7\xa3\xfb\xda\x99\x8f\x65\x6b\x26\x2e\xf6\x9d\x7d\xa7\x76\xcf\x44\xf2"
      "\xb9\x3f\xfd\xee\x3b\x37\x3b\x77\x6e\xdd\xbc\x71\xef\xdc\xd1\x39\x8d\xf6"
      "\x61\xfc\x9f\x1b\x57\xcd\xd6\x4c\xcc\xf6\x65\xe2\xf9\xa7\x3e\x13\xfd\xa6"
      "\x33\x9a\x66\x9e\xeb\xde\x3c\x93\xcc\xe5\x1b\xf9\x76\xce\xe5\x4c\x5e\xcd"
      "\x52\x16\xf3\xfd\xcc\x67\x39\x0b\x39\x93\xaf\x57\xb5\xf9\xfa\x7c\x2e\x5f"
      "\xa7\x76\xcf\xd4\xd5\x4d\x73\xaf\xee\x15\xc9\x58\x7d\x5c\xba\x77\xd1\x6e"
      "\x4c\x5d\x7b\xc7\xf4\x62\xd5\x77\x32\x8b\xf9\x56\xde\xc8\xf5\x2c\xe4\xe5"
      "\xea\xdf\xc5\xcc\xe4\x4b\xb9\x94\x4b\xb9\xdc\x77\x84\x9f\xdb\x29\xee\xbe"
      "\xbb\x6a\x73\x9b\xab\xfe\xcf\x3b\x07\x7f\xf6\xf3\x75\xa5\x9d\x4c\xfc\xbc"
      "\x5b\x0e\xd3\xf8\x46\x75\x2c\x69\x9e\xe8\xcb\x6b\xff\x3d\xb7\xcc\xf7\x89"
      "\x4d\x4b\x9a\x29\xea\xbe\xcf\x1c\xd8\xbd\x71\x5d\xeb\x33\x75\xa5\x3c\x12"
      "\x3f\xa9\xcb\xa3\x61\x6b\x26\x66\xfa\xce\x97\x67\x77\xcf\xc4\xaf\xaa\xd3"
      "\xe6\x5e\xe7\xce\xad\xa5\x9b\xf3\x77\x07\xdc\xde\x4b\x75\x59\x5e\x47\x3f"
      "\x3b\x52\x4f\xe6\xf2\x3a\x7c\xa6\x3c\x58\xd5\xdc\xe6\xb3\xa3\x6c\x7b\x76"
      "\xdb\xb6\x99\xaa\xed\xe4\x7a\x5b\x73\x6b\xdb\xaf\xdb\xeb\x6d\x7b\x5d\xa9"
      "\x63\xf5\x7b\xb8\xc7\x47\xba\x58\xb5\x3d\xbf\x6d\xdb\x6c\xd5\x76\xba\xaf"
      "\x6d\xe3\xfd\xd6\x87\x45\x51\x74\xdf\x6f\x01\x70\xe4\x1d\xfb\xc2\xb1\xb1"
      "\xf6\xbf\xda\x7f\x6f\x3f\x68\xff\xb4\x7d\xb3\xfd\xca\xc4\xd7\xc6\xbf\x3c"
      "\xfe\xc2\x58\x46\xff\x36\xfa\x95\xd6\xf4\xc8\x4b\xcd\x17\x1a\x7f\xc8\x83"
      "\xfc\x30\x7b\x7f\x42\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf6\x74\xef\xad\xb7\x6f\xcd"
      "\x77\x3a\x0b\x4b\x5b\x2a\x45\x51\xbc\xb3\x43\xd3\xa1\x54\xd2\x4a\x36\x2d"
      "\xf9\xeb\x5f\xfa\xd6\x49\xb2\x52\x46\x3b\xf8\x80\xe5\xda\x57\x9b\x49\xb5"
      "\xa4\x95\xba\xf2\x7f\xdb\x9d\x4f\x48\x65\x62\xc7\xf3\x67\x6b\xe5\x3f\x45"
      "\x51\x1c\xdc\xd6\x47\xb2\xe5\x6c\x39\xe0\x4a\x51\x3b\x2a\x79\x1e\x46\x65"
      "\xd8\x77\x26\xe0\xb0\x5d\x58\xbe\x7d\xf7\xc2\xbd\xb7\xde\xfe\xe2\xe2\xed"
      "\xf9\xd7\x17\x5e\x5f\xb8\x73\xf9\xd2\xa5\xcb\xd3\x97\x2f\xbd\x3c\x7b\xe1"
      "\xc6\x62\x67\x61\xba\xfb\x3a\xec\x28\x81\xc3\xd0\xf7\x0e\x1c\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x78\x42\x0c\xf6\xc7\x39\x8d\x5d\xd6\xf9\xee\xef"
      "\x8b\x62\x8f\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x1f\xc3\xdc\xb9\xb4\x1e\xa6\x91\x99\xe9"
      "\xf3\xd3\xe5\xfc\xda\xea\x6c\xa7\x9c\xaa\xfa\x83\xb9\xce\xc6\x9a\xad\x24"
      "\xcd\x24\x8d\x1f\x24\x8d\x77\x93\xab\xe9\x4e\x99\xea\x1b\xae\xb1\xd3\x76"
      "\x56\x92\x6b\xef\x7d\xb0\xf6\xfe\xc6\x58\xad\xde\xfa\xcd\xdd\xfa\x0d\x66"
      "\xa5\x9e\x72\x26\xc9\x48\x5d\x6e\x63\x62\x7f\xe3\x35\xaa\x71\xee\xee\x3c"
      "\xde\x80\x1a\xeb\x7b\x58\x26\xec\x6c\x2f\x71\x30\x6c\xff\x0b\x00\x00\xff"
      "\xff\x5e\xb4\x24\xd3",
      1679);
  syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x200000c0, /*flags=*/0,
                  /*opts=*/0x20000040, /*chdir=*/5, /*size=*/0x68f,
                  /*img=*/0x20001000);
  memcpy((void*)0x20000280, "cgroup.controllers\000", 19);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000280ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  sprintf((char*)0x20000000, "0x%016llx", (long long)0);
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x20000000ul, /*len=*/0xffffff6aul);
  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=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  do_sandbox_none();
  return 0;
}