// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

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

//% 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");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$hfsplus arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 70 6c 75 73 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 00}
  //      (length 0xfa)
  //    }
  //    flags: mount_flags = 0x2000090 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x6fa (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x6fa)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000100, "hfsplus\000", 8);
  memcpy((void*)0x200000000280,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         250);
  memcpy(
      (void*)0x200000000ac0,
      "\x78\x9c\xec\xdd\xcf\x6f\x1c\x67\xfd\x07\xf0\xf7\xac\xd7\xae\x37\xed\x37"
      "\x75\xda\xe4\xdb\x08\x05\x61\x12\xa9\x20\x45\x24\x4e\xac\x14\xc2\x05\x83"
      "\x10\xca\xa1\x42\x55\x39\xf4\x6c\x25\x4e\x63\x65\x93\x54\x89\x8b\xd2\x0a"
      "\x81\x0b\x08\x4e\x48\x1c\xfa\x07\x14\x24\xdf\x38\x20\x24\xc4\x35\x28\x5c"
      "\xb8\x94\x5b\xaf\x3e\x56\x42\xe2\x12\x71\x88\x7a\x59\x34\xb3\xb3\xf6\xee"
      "\x7a\xfd\x2b\xf1\x8f\x04\x5e\xaf\x68\x3c\xcf\xcc\xf3\xcc\x33\x9f\xf9\xcc"
      "\x33\x33\xde\x75\x56\x1b\xe0\x7f\xd6\x95\xb3\x69\x3e\x48\x91\x2b\x67\xdf"
      "\xbc\x5f\x2e\xaf\xae\xcc\xb6\x57\x57\x66\x5f\xa8\xab\xdb\x49\xca\x72\x23"
      "\x69\x76\x67\x29\x6e\x27\xc5\xc3\x64\xae\xac\x2f\xfa\xa6\xf4\xcd\x37\xf8"
      "\x78\xf1\xf2\xdb\x9f\x3d\x5a\xfd\xbc\xbb\xd4\xac\xa7\xaa\xfd\xd8\x56\xdb"
      "\x8d\x30\xa2\xed\x72\x3d\x65\xba\xee\x6f\x7a\xe4\x96\xe3\x3b\xdd\xc5\x72"
      "\x1d\x5e\x5e\x4a\x72\xb5\x9e\x0f\x9a\xd8\x69\x5f\x03\x0d\xcb\xa4\x9d\xa9"
      "\xe7\x70\xe8\x3a\x83\x1a\xe9\x2c\xef\x66\xf3\xdd\x5c\xb7\xc0\x33\xa6\xf7"
      "\x74\x2a\xaa\xe7\xe6\x8b\x1b\xea\xa7\x92\x23\x49\x26\xeb\xdf\x03\x52\xdf"
      "\x1d\x1a\x07\x1a\xe4\xde\xf9\x6a\xaf\xb0\xab\xbb\x1c\x00\x00\x00\x3c\xa7"
      "\x3e\xbd\x73\xd8\x11\x00\x00\x00\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\xf3\xa7\xfa"
      "\xfe\xff\xd6\xda\x62\xa3\xbb\x2a\x99\x4e\xd1\xfb\xfe\xff\x89\xde\xba\xba"
      "\xfc\x0c\x9a\xdb\x71\xcb\x07\xfb\x1a\x07\x00\x00\x00\x00\x00\x00\x00\x1c"
      "\x8c\xaf\x3c\xce\xe3\xdc\xcf\xd1\xb2\x3c\x9e\xa4\x53\x54\x7f\xf3\x3f\x5d"
      "\x55\x1e\xcf\x17\x9d\xe4\xc5\xbc\x9f\x7b\x59\xc8\xdd\x9c\xcb\xfd\xcc\x67"
      "\x29\x4b\xb9\x9b\x0b\x49\xa6\xfa\x3a\x9a\xb8\x3f\xbf\xb4\x74\xf7\xc2\xda"
      "\x96\xa5\xd1\x5b\x5e\x1c\xb9\xe5\xc5\x83\x3c\x6a\x00\x00\x00\x00\x00\x00"
      "\x00\xf8\xaf\xf3\xf3\xb4\xba\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\x67\x45\x91\x8c\x75\x67\xd5\x74\xbc\x9e\x67\x2a\x8d\x66\xd6"
      "\xeb\xb2\x9c\xfc\x23\xc9\xc4\x61\xc7\xbb\x0b\xc5\xa8\x95\x0f\x0e\x3e\x0e"
      "\x00\x00\x00\x78\x2a\x93\x4f\xb0\xcd\xcb\x8f\xf3\x38\xf7\x73\xb4\xb7\xdc"
      "\x29\xaa\xd7\xfc\xff\x5f\xbd\x5e\x9e\xcc\xfb\xb9\x9d\xa5\x2c\x66\x29\xed"
      "\x2c\xe4\x5a\xfd\x1a\xba\x7c\xd5\xdf\x58\x5d\x99\x6d\xaf\xae\xcc\xde\x2a"
      "\xa7\x72\x79\xb0\xdf\xef\xfe\x6b\x57\x61\x4c\xd4\x3d\x8c\x55\x4b\xa3\xf6"
      "\x7c\xb2\x6a\xd1\xca\xf5\x2c\x56\x6b\xce\xe5\x6a\x15\xcc\xb5\x34\xba\xfb"
      "\x3e\x93\x9c\xec\xc5\xd3\x17\x57\x9f\x8f\xca\x98\x8a\xef\xd4\x76\x18\x59"
      "\xb3\x4e\x6b\xb9\xb3\xdf\x6e\xf6\x2e\xc2\x9e\x18\x7c\x2b\xa2\xb1\x45\xcb"
      "\xd6\x7a\x70\xc9\x5a\x46\x66\xea\xd8\xca\x2d\x8f\x75\x33\x50\x54\x6f\xd4"
      "\x24\xc3\x99\x18\x3e\x3b\x1b\x76\xd6\x1c\x58\x9a\xaa\x9a\x8c\xaf\xed\xe9"
      "\x42\x1a\x6b\xef\xfc\x1c\xdf\x87\x9c\x1f\xa9\xe7\xe5\xf1\xfc\x6a\x5f\x73"
      "\xbe\x13\xfd\xb9\x58\xcb\x44\x23\x55\x26\x2e\xf6\x46\x5f\x79\xcd\x6c\x9d"
      "\x89\xe4\x6b\x7f\xfe\xc3\x3b\x37\xda\xb7\x6f\xde\xb8\x7e\xef\xec\xe1\x1e"
      "\xd2\x2e\x8c\x6d\xb2\x7e\x78\x4c\xcc\xf6\x65\xe2\xb5\xe7\x3a\x13\xcd\x5d"
      "\xb6\x9f\xa9\x32\x71\x62\x6d\xf9\x4a\x7e\x90\x1f\xe5\x6c\xa6\xf3\x56\xee"
      "\x66\x31\x3f\xce\x7c\x96\xb2\x90\x4e\x5d\x3f\x5f\x8f\xe7\xf2\xe7\xd4\xd6"
      "\x99\x9a\x1b\x58\x7a\x6b\xbb\x48\x26\xea\xf3\xd2\x3d\x67\x3b\x89\x69\x3a"
      "\xdf\xaf\x4a\xf3\x39\x5d\x6d\x7b\x34\x8b\x29\x72\x27\xd7\xb2\x90\x37\xaa"
      "\x7f\x17\x73\x21\xdf\xcc\xa5\x5c\xca\xe5\xbe\x33\x7c\x62\xd3\xb8\xab\x63"
      "\xab\xae\xfa\xc6\xf0\x55\xdf\x3b\xd3\x7f\x1d\x19\xfc\x99\xaf\xd7\x85\xf2"
      "\xee\xf6\xeb\xf5\xbb\xdc\xdc\x56\x47\xbc\xd9\xe8\xdc\x2b\xdd\x7b\x7f\x99"
      "\xd7\x63\x7d\x79\xed\x8e\xfa\x47\x6b\xad\x8e\xf5\x5d\x07\x33\x7d\x59\x7a"
      "\xa5\x97\x9d\xf1\x91\x9d\x3f\xc9\xbd\xb1\xf9\xa5\xba\x50\xee\xe3\x17\xdb"
      "\x3c\x27\x0e\xd6\x54\x9d\x89\xf2\x02\xea\x3d\x25\x7a\xd1\xbd\xda\xcd\x44"
      "\xb3\x7a\x16\x6d\x1c\xe7\xbf\xeb\x94\xdb\xa5\x7d\xbb\xd3\xb9\x31\xff\xde"
      "\x26\xfd\x2f\x0f\x2d\xbf\x5e\xcf\xcb\x61\xb5\xf2\xe5\xed\x5a\xf7\x8c\x3e"
      "\x15\x7b\xab\x1c\x2f\xaf\x64\xb2\xbe\x93\x0c\x8e\x8e\xb2\xee\xd5\xb5\xbb"
      "\x4c\x5f\x5d\x67\x7d\x2c\x77\xeb\x06\x9f\xb8\xe5\x76\x27\xaa\xba\xa2\xe8"
      "\x5d\xa9\x3f\xcc\x9d\x6a\x00\x6c\xbc\x52\x27\xea\xdf\xe1\x36\xf6\x74\xb1"
      "\xaa\x7b\x6d\xa8\xee\x54\x7d\x0f\x2f\xeb\x4e\xf6\xd5\x0d\xfc\xbe\x95\x3b"
      "\x69\xe7\xda\x01\xe4\x0f\x80\x27\xf1\xf7\x77\xd6\x8a\x53\x39\x32\xd1\xfa"
      "\x67\xeb\xd3\xd6\x27\xad\x5f\xb6\x6e\xb4\xde\x9c\xfc\xde\x0b\xdf\x7a\xe1"
      "\xd4\x44\xc6\xff\x36\xfe\xed\xe6\xcc\xd8\xeb\x8d\x53\xc5\x9f\xf2\x49\x7e"
      "\xba\xfe\xfa\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x72\xf7\x3e\xf8\xf0\xe6\x7c\xbb"
      "\xbd\x70\x77\x74\xa1\xb1\x79\xd5\x40\xa1\x95\xe1\x35\xdb\xf5\x3c\x54\x28"
      "\xea\x2f\xf4\x19\xd5\xe6\x66\xfd\x2d\x05\xbb\xea\xf0\x90\x0b\x93\x49\x06"
      "\xd6\x54\xdf\x73\x34\x74\xc8\xc5\x4e\x4e\xc1\x53\x15\x5a\xc3\x61\x6c\x28"
      "\x74\x7e\x96\x1c\x78\x7e\x7a\x5f\x22\x38\xba\xcd\x6f\xca\x42\x73\x47\xa7"
      "\x7b\x6e\x60\xcd\x1f\x37\x76\xf8\xd1\xf6\xf1\x8c\x65\x68\x1c\xee\xf7\x49"
      "\xd9\xba\xd0\xc8\xbe\xf4\xdc\x79\x79\x93\x91\x30\x96\xd1\x03\xe0\x70\xee"
      "\x47\xc0\xc1\x39\xbf\x74\xeb\xbd\xf3\xf7\x3e\xf8\xf0\x1b\x8b\xb7\xe6\xdf"
      "\x5d\x78\x77\xe1\xf6\xf8\xa5\x4b\x97\x67\x2e\x5f\x7a\x63\xf6\xfc\xf5\xc5"
      "\xf6\xc2\x4c\xf7\xe7\x61\x47\x09\xec\x87\xf5\x87\xfe\x61\x47\x02\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xec\xd4\xa8\x8f\x0a\x9c\x7e\x69\xbb\x0f\x8d"
      "\x6c\x28\x34\x92\x0c\x7f\xc6\xc3\xff\x2c\x04\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf6\xc4\x95\xb3"
      "\x69\x3e\x48\x91\x0b\x33\xe7\x66\xca\xe5\xd5\x95\xd9\x76\x39\xf5\xca\xeb"
      "\x2d\x9b\x49\x1a\x8d\xa4\xf8\x49\x52\x3c\x4c\xe6\xd2\x9d\x32\xd5\xd7\x5d"
      "\x91\xdf\x3f\x4c\x67\xc4\x7e\x3e\x5e\xbc\xfc\xf6\x67\x8f\x56\x3f\x5f\xef"
      "\xab\xd9\x6d\x9f\x34\xea\xf9\xe6\xb6\xae\x4d\xb2\x5c\x4f\x99\x4e\x32\x56"
      "\xcf\x9f\x42\xd5\xdf\x5f\xfe\xaf\xdb\xcf\xd5\xa7\xee\xaf\xf8\x77\xef\x18"
      "\xca\x84\x7d\xd1\xe9\x74\xe6\x9e\x2e\x3e\xd8\x1b\xff\x09\x00\x00\xff\xff"
      "\xfd\x43\xea\x27",
      1786);
  syz_mount_image(/*fs=*/0x200000000100, /*dir=*/0x200000000280,
                  /*flags=MS_LAZYTIME|MS_SYNCHRONOUS|MS_DIRSYNC*/ 0x2000090,
                  /*opts=*/0x200000000000, /*chdir=*/1, /*size=*/0x6fa,
                  /*img=*/0x200000000ac0);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 65 6d 6f 72 79 2e 73 74 61 74 00} (length 0xc)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x2000000000c0, "memory.stat\000", 12);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000000c0ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write$cgroup_subtree arguments: [
  //    fd: fd_cgroup_subtree (resource)
  //    buf: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    len: bytesize = 0x32600 (8 bytes)
  //  ]
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000000ul, /*len=*/0x32600ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}