// https://syzkaller.appspot.com/bug?id=a3ce4daaa6f6acbe41eb7ca4cb8e0c4e51f823d1
// 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_fsconfig
#define __NR_fsconfig 431
#endif
#ifndef __NR_fspick
#define __NR_fspick 433
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif
#ifndef __NR_quotactl_fd
#define __NR_quotactl_fd 443
#endif

static unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, 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 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 (;;) {
      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;
    }
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x200004c0, "ext4\000", 5);
  memcpy((void*)0x20000500, "./file0\000", 8);
  memcpy(
      (void*)0x20000540,
      "\x78\x9c\xec\xdd\xc1\x6f\x14\xd7\x19\x00\xf0\x6f\xc6\x36\x36\xc6\xc5\xa6"
      "\xe5\xd0\x56\x6d\xa1\x94\x96\x4a\x88\x5d\x7b\x01\x0b\x71\xa2\x97\x56\x15"
      "\x42\xaa\x8a\x7a\xea\x01\x5c\x7b\xb1\x2c\x76\xbd\x96\xbd\xa6\xd8\x42\x0a"
      "\xfc\x0f\x91\x82\x94\x53\xf2\x27\xe4\x10\x29\x87\x48\x9c\x72\xcf\x2d\xb9"
      "\xe5\x42\x0e\x91\x48\x82\x12\x61\xa4\x1c\x36\xda\xd9\x35\x18\xe3\xf5\x6e"
      "\x82\xd9\x45\xde\xdf\x4f\x7a\x9a\x79\xf3\x86\xfd\xde\x63\x35\xef\x2d\x1f"
      "\xf6\xbe\x00\xfa\xd6\xf1\x88\xb8\x1b\x11\x07\x22\xe2\x7a\x44\x8c\x37\xaf"
      "\x27\xcd\x12\x97\x1a\xa5\x7e\xdf\x93\xc7\x77\x66\x37\x1e\xdf\x99\x4d\xa2"
      "\x56\xbb\xfa\x4d\x92\xb5\xd7\xaf\xc5\x96\x3f\x53\x77\xa8\xf9\x9a\x23\x11"
      "\xf1\xef\x7f\x44\xfc\x2f\x79\x31\xe6\x70\xf3\x38\x53\x2a\x15\x97\x9b\xe7"
      "\xf9\x6a\x79\x29\xbf\xb2\xb6\x7e\x66\xa1\x3c\x33\x5f\x9c\x2f\x2e\x16\x0a"
      "\xd3\x53\xd3\x93\x17\xce\x9e\x2f\xec\xd9\x58\x8f\x95\x3f\x78\xf4\xf7\x85"
      "\xcb\xff\xf9\xf8\xa3\xdf\x3f\xfc\x74\xf0\xc5\xb6\xad\xe3\xd8\x4b\x8d\xa1"
      "\x0f\xc5\xd8\x96\x6b\xf5\xd0\x97\x5f\x47\xb0\x1e\x18\x88\xc8\xc6\x76\xa0"
      "\xd7\x1d\xe1\x67\x49\x23\xe2\x97\x11\x71\x22\x7b\xfe\xc7\x63\x20\x06\x7b"
      "\xdd\x25\x00\xe0\x35\xab\xd5\xc6\xa3\x36\xbe\xb5\xde\x5e\xd2\xc9\x4d\x00"
      "\xc0\x1b\x2b\xcd\xf2\x37\x49\x9a\x6b\xe6\x02\xc6\x22\x4d\x73\xb9\x46\x0e"
      "\xef\x68\x8c\xa6\xa5\xca\x4a\xf5\xf4\x8d\xca\xea\xe2\x5c\x23\xcf\x33\x11"
      "\x43\xe9\x8d\x85\x52\x71\xb2\x99\x2b\x9c\x88\xa1\xa4\x5e\x9f\xca\xce\x9f"
      "\xd7\x0b\xdb\xea\x67\x23\xe2\x48\x44\xbc\x3d\x7c\x30\xab\xe7\x66\x2b\xa5"
      "\xb9\x5e\x7e\xf0\x01\x80\x3e\x76\x68\xdb\xfa\xff\xfd\x70\x63\xfd\x07\x00"
      "\xf6\xb9\x91\xf6\xb7\xbc\xd5\x8d\x7e\x00\x00\xdd\xd3\xc1\xfa\x0f\x00\xec"
      "\x33\xd6\x7f\x00\xe8\x3f\xd6\x7f\x00\xe8\x3f\xd6\x7f\x00\xe8\x3f\xd6\x7f"
      "\x00\xe8\x3f\xd6\x7f\x00\xe8\x2b\xff\xba\x72\xa5\x5e\x6a\x1b\xcd\xef\xbf"
      "\x9e\xbb\xb5\xb6\x7a\xb3\x72\xeb\xcc\x5c\x71\xe5\x66\xae\xbc\x3a\x9b\x9b"
      "\xad\x2c\x2f\xe5\xe6\x2b\x95\xf9\xec\x3b\x7b\xca\xed\x5e\xaf\x54\xa9\x2c"
      "\x4d\x9d\x8b\xd5\xdb\xf9\x6a\x71\xa5\x9a\x5f\x59\x5b\xbf\x56\xae\xac\x2e"
      "\x56\xaf\x65\xdf\xeb\x7d\xad\x38\xd4\x95\x51\x01\x00\xbb\x39\x72\xec\xc1"
      "\xe7\x49\x44\xdc\xbd\x78\x30\x2b\xb1\x65\x2f\x07\x6b\x35\xec\x6f\x69\xaf"
      "\x3b\x00\xf4\xcc\x40\xaf\x3b\x00\xf4\x8c\xdd\xbe\xa0\x7f\xf9\x37\x3e\x90"
      "\xb4\x69\x6f\xf9\x23\x42\xf7\xf7\xbe\x2f\x40\x77\x9c\xfa\x8d\xfc\x3f\xf4"
      "\xab\x36\xf9\xff\x5a\xb7\xfa\x01\x74\x9f\xfc\x3f\xf4\x2f\xf9\x7f\xe8\x5f"
      "\xb5\x5a\xd2\xd1\x9e\xff\x00\xc0\xfe\x21\xc7\x0f\xf8\xff\x7f\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xf8\xe9\xc6\xb2\x92\xa4\xb9\xe6\x5e\xe0\x63\x91\xa6\xb9\x5c"
      "\x63\x5b\xe0\x89\x18\x4a\x6e\x2c\x94\x8a\x93\x11\x71\x38\x22\x3e\x1b\x1e"
      "\x1a\xae\xd7\xa7\x7a\xdd\x69\x00\xe0\x15\xa5\x5f\x25\xcd\xfd\xbf\x4e\x8d"
      "\x9f\x1c\xdb\xde\x7a\x20\x79\x3a\x9c\x1d\x23\xe2\xff\xef\x5e\x7d\xe7\xf6"
      "\x4c\xb5\xba\x3c\x55\xbf\xfe\xed\xb3\xeb\xd5\xfb\xcd\xeb\x85\x5e\xf4\x1f"
      "\x00\x68\x67\x73\x9d\xde\x5c\xc7\x37\x3d\x79\x7c\x67\x76\xb3\x74\xb3\x3f"
      "\x8f\xfe\xd6\xd8\x5c\xb4\x1e\x77\xa3\x59\x1a\x2d\x83\x31\x98\x1d\x47\x62"
      "\x28\x22\x46\xbf\x4b\x9a\xf5\x86\xfa\xe7\x95\x81\x3d\x88\x7f\xf7\x5e\x44"
      "\xfc\x7a\xa7\xf1\x27\x59\x6e\x64\xa2\xb9\xf3\xe9\xf6\xf8\xf5\xd8\xbf\xe8"
      "\x6a\xfc\xf4\x85\xf8\x69\xd6\xd6\x38\xd6\xff\x2e\x7e\xb5\x07\x7d\x81\x7e"
      "\xf3\xa0\x3e\xff\x5c\xda\xe9\xf9\x4b\xe3\x78\x76\xdc\xf9\xf9\x1f\xc9\x66"
      "\xa8\x57\xb7\x39\xff\x6d\xbc\x34\xff\xa5\xcf\xe6\xbf\x81\x16\xf3\xdf\xf1"
      "\x4e\x63\x9c\xfb\xe4\x9f\x2d\xdb\xee\x45\xfc\x76\x70\xa7\xf8\xc9\xb3\xf8"
      "\x49\x8b\xf8\x27\x3b\x8c\xff\xc5\xef\xfe\x70\xa2\x55\x5b\xed\xbd\x88\x53"
      "\xb1\x73\xfc\xad\xb1\xf2\xd5\xf2\x52\x7e\x65\x6d\xfd\xcc\x42\x79\x66\xbe"
      "\x38\x5f\x5c\x2c\x14\xa6\xa7\xa6\x27\x2f\x9c\x3d\x5f\xc8\x67\x39\xea\xfc"
      "\x66\xa6\xfa\x65\x5f\x5f\x3c\x7d\x78\xb7\xf1\x8f\xb6\x88\x3f\xd2\x66\xfc"
      "\x7f\xee\x70\xfc\xef\xff\x70\xfd\xbf\x7f\xdc\x25\xfe\x5f\xff\xb4\xf3\xfb"
      "\x7f\x74\x97\xf8\xf5\x35\xf1\x2f\x1d\xc6\x9f\x19\xfd\xb0\xe5\xf6\xdd\xf5"
      "\xf8\x73\x2d\xc6\xdf\xee\xfd\x3f\xdd\x61\xfc\x87\x5f\xae\xcf\x75\x78\x2b"
      "\x00\xd0\x05\x2b\x6b\xeb\x37\x67\x4a\xa5\xe2\xf2\x9b\x7c\x12\x6f\x46\x37"
      "\x9c\x38\xe9\x9f\x93\x5e\xcf\x4c\xc0\xeb\xf6\xfc\xa1\x8f\xe4\x69\xaf\x3b"
      "\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xec\xa8\x1b\xbf\x4e\xd4"
      "\xeb\x31\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\xb0\x7f\xfd\x18\x00\x00\xff\xff\x91\xc6"
      "\xd7\x56",
      1208);
  syz_mount_image(0x200004c0, 0x20000500, 0x1208011, 0x20000240, 0x21, 0x4b8,
                  0x20000540);
  memcpy((void*)0x20000000, ".\000", 2);
  res = syscall(__NR_fspick, 0xffffff9c, 0x20000000ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(__NR_fsconfig, r[0], 7ul, 0ul, 0ul, 0ul);
  memcpy((void*)0x20000100, "cpuset.effective_cpus\000", 22);
  res = syscall(__NR_openat, 0xffffff9c, 0x20000100ul, 0x275aul, 0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_quotactl_fd, r[1], 0xffffffff80000801ul, 0, 0ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}