// https://syzkaller.appspot.com/bug?id=8213f8695d54a1cea6add76c0909ea2db226d486
// 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");
}

#define KMEMLEAK_FILE "/sys/kernel/debug/kmemleak"

static const char* setup_leak()
{
  if (!write_file(KMEMLEAK_FILE, "scan=off")) {
    if (errno == EBUSY)
      return "KMEMLEAK disabled: increase CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE"
             " or unset CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF";
    return "failed to write(kmemleak, \"scan=off\")";
  }
  if (!write_file(KMEMLEAK_FILE, "scan"))
    return "failed to write(kmemleak, \"scan\")";
  sleep(5);
  if (!write_file(KMEMLEAK_FILE, "scan"))
    return "failed to write(kmemleak, \"scan\")";
  if (!write_file(KMEMLEAK_FILE, "clear"))
    return "failed to write(kmemleak, \"clear\")";
  return NULL;
}

static void check_leaks(void)
{
  int fd = open(KMEMLEAK_FILE, O_RDWR);
  if (fd == -1)
    exit(1);
  uint64_t start = current_time_ms();
  if (write(fd, "scan", 4) != 4)
    exit(1);
  sleep(1);
  while (current_time_ms() - start < 4 * 1000)
    sleep(1);
  if (write(fd, "scan", 4) != 4)
    exit(1);
  static char buf[128 << 10];
  ssize_t n = read(fd, buf, sizeof(buf) - 1);
  if (n < 0)
    exit(1);
  int nleaks = 0;
  if (n != 0) {
    sleep(1);
    if (write(fd, "scan", 4) != 4)
      exit(1);
    if (lseek(fd, 0, SEEK_SET) < 0)
      exit(1);
    n = read(fd, buf, sizeof(buf) - 1);
    if (n < 0)
      exit(1);
    buf[n] = 0;
    char* pos = buf;
    char* end = buf + n;
    while (pos < end) {
      char* next = strstr(pos + 1, "unreferenced object");
      if (!next)
        next = end;
      char prev = *next;
      *next = 0;
      fprintf(stderr, "BUG: memory leak\n%s\n", pos);
      *next = prev;
      pos = next;
      nleaks++;
    }
  }
  if (write(fd, "clear", 5) != 5)
    exit(1);
  close(fd);
  if (nleaks)
    exit(1);
}

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;
    }
    check_leaks();
  }
}

void execute_one(void)
{
  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 = 0x2000010 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x6ee (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x6ee)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000100, "hfsplus\000", 8);
  memcpy((void*)0x200000002900,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         250);
  memcpy(
      (void*)0x200000000d80,
      "\x78\x9c\xec\xdd\xc1\x6f\x1c\x67\xdd\x07\xf0\xef\xac\xd7\x8e\x37\x6f\x95"
      "\xd7\x69\x13\x1a\xa1\x20\x4c\x22\x15\xa4\x88\xc4\x89\x95\x42\xb8\x60\x10"
      "\x42\x39\x54\xa8\x2a\x87\x9e\xad\xc4\x69\xac\x38\x49\x95\xb8\x28\xad\x10"
      "\xb8\x80\xe0\x84\xc4\xa1\x7f\x40\x41\xf2\x8d\x03\x42\xe2\x1e\x14\x2e\x5c"
      "\xca\xad\x57\x1f\x2b\x21\x71\x89\x38\x44\xbd\x2c\x9a\xd9\x59\x7b\x77\xbd"
      "\xb6\xd7\x89\xb3\x4e\xe1\xf3\xa9\x26\xf3\x3c\xf3\x3c\xf3\xcc\x6f\x7f\xf3"
      "\xcc\x8c\x77\x5d\x6b\x03\xfc\xcf\xba\x7a\x2e\xcd\x87\x29\x72\xf5\xdc\x1b"
      "\x0f\xca\xfa\xc6\xfa\xfc\xca\xc6\xfa\xfc\x91\xba\x79\x25\x49\x59\x6e\x24"
      "\xcd\xce\x2a\xc5\x9d\xa4\x78\x94\x2c\x94\xed\x45\xcf\x92\x9e\xf5\x36\x1f"
      "\x2d\x5f\x79\xeb\xd3\xc7\x1b\x9f\x75\x6a\xcd\x7a\xa9\xfa\x4f\xec\xb6\xdf"
      "\x10\x43\xfa\xae\xd5\x4b\x66\xeb\xf1\x66\x87\xee\x39\x39\xea\x21\xd6\xea"
      "\xf0\xf2\x52\x92\x6b\xf5\xba\xdf\xd4\xa8\x63\xf5\x75\x2c\x93\x76\xb6\x5e"
      "\xc3\xa1\x6b\xf7\x6b\xa4\xbd\x56\xb7\x8c\x34\xc1\xf7\x73\xdd\x02\x2f\x98"
      "\xee\x55\x5e\x74\x9e\x9b\xdb\xcc\x24\x47\x93\x4c\xd7\x3f\x07\xa4\xbe\x3b"
      "\x34\xc6\x17\xe1\x81\xfa\x5a\xb7\xb0\x76\xb8\x71\x00\x00\x00\xc0\x58\x7c"
      "\x72\xf7\xb0\x23\x00\x00\x00\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\x2f\x9e\xea\xfb"
      "\xff\x5b\x9b\xd5\x46\x67\x53\x32\x9b\xa2\xfb\xfd\xff\x53\xdd\x6d\x75\xf9"
      "\x05\xb4\x30\x72\xcf\x87\xcf\x35\x0e\x00\x00\x00\x00\x00\x00\x00\x18\x8f"
      "\xaf\x3e\xc9\x93\x3c\xc8\xb1\x6e\xbd\x5d\x54\xbf\xf3\x3f\x53\x55\x4e\xe4"
      "\xf3\x76\xf2\x7f\x79\x2f\xf7\xb3\x94\x7b\x39\x9f\x07\x59\xcc\x6a\x56\x73"
      "\x2f\x17\x93\xcc\xf4\x0c\x34\xf5\x60\x71\x75\xf5\xde\xc5\xcd\x3d\x4b\xc3"
      "\xf7\xbc\x34\x74\xcf\x4b\xe3\x7a\xc5\x00\x00\x00\x00\x00\x00\x00\xf0\x5f"
      "\xe9\x17\x69\x6d\xfd\xfe\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x5e\x04\x45\x32\xd1\x59\x55\xcb\x89\x7a\x9d\x99\x34\x9a\xd9\x6a\xcb\x5a"
      "\xf2\x8f\x24\x53\x87\x1d\xef\x3e\x14\xc3\x36\x3e\x1c\x7f\x1c\x00\x00\x00"
      "\xf0\x4c\xa6\x9f\x62\x9f\xff\x7f\x92\x27\x79\x90\x63\xdd\x7a\xbb\xa8\xde"
      "\xf3\x7f\xa9\x7a\xbf\x3c\x9d\xf7\x72\x27\xab\x59\xce\x6a\x56\xb2\x94\xeb"
      "\xf5\x7b\xe8\xf2\x5d\x7f\x63\x63\x7d\x7e\x65\x63\x7d\xfe\x76\xb9\x94\xf5"
      "\xfe\x71\xbf\xf7\xaf\x7d\x85\x31\x55\x8f\x30\x51\xd5\x86\x1d\xf9\x54\xd5"
      "\xa3\x95\x1b\x59\xae\xb6\x9c\xcf\xb5\x2a\x98\xeb\x69\x74\x8e\x7d\x36\x39"
      "\xd5\x8d\xa7\x27\xae\x1e\x1f\x96\x31\x15\xdf\xad\x8d\x18\x59\xb3\x4e\x6b"
      "\x79\xb0\xdf\xed\xf4\x29\xc2\x81\xe8\xff\x28\xa2\xb1\x4b\xcf\xd6\x56\x70"
      "\xc9\x66\x46\xe6\xea\xd8\xca\x3d\x8f\x77\x32\x50\x54\x1f\xd4\x24\x83\x99"
      "\x18\x3c\x3b\xdb\x0e\xd6\xec\xab\xcd\x54\x5d\x26\x37\x8f\x74\x31\x8d\xcd"
      "\x4f\x7e\x4e\x1c\x6c\xce\xab\x48\x8e\xd6\x95\xf2\xf5\xfc\xfa\xb9\xe6\x7c"
      "\x14\xbd\xb9\xd8\xcc\x44\x23\x55\x26\x2e\x75\x67\x5f\x79\xcd\xec\x9e\x89"
      "\xe4\xeb\x7f\xf9\xe3\xdb\x37\x57\xee\xdc\xba\x79\xe3\xfe\xb9\xc3\x7d\x49"
      "\xfb\x30\xb1\xc3\xf6\xc1\x39\x31\xdf\x93\x89\x57\xbf\xd0\x99\x68\xee\xb3"
      "\xff\x5c\x95\x89\x93\x9b\xf5\xab\xf9\x61\x7e\x9c\x73\x99\xcd\x9b\xb9\x97"
      "\xe5\xfc\x24\x8b\x59\xcd\x52\xda\x75\xfb\x62\x3d\x9f\xcb\x7f\x67\x76\xcf"
      "\xd4\x42\x5f\xed\xcd\xbd\x22\x99\xaa\xcf\x4b\xe7\x9c\x8d\x12\xd3\x6c\x7e"
      "\x50\x95\x16\x73\xa6\xda\xf7\x58\x96\x53\xe4\x6e\xae\x67\x29\xaf\x57\xff"
      "\x5d\xca\xc5\x7c\x2b\x97\x73\x39\x57\x7a\xce\xf0\xc9\x1d\xe3\xae\x5e\x5b"
      "\x75\xd5\x37\x06\xaf\xfa\xee\x99\xfe\xeb\xd0\xe0\xcf\x7e\xa3\x2e\x94\x77"
      "\xb7\xdf\x6c\xdd\xe5\x16\x76\x7b\xc5\x3b\xcd\xce\x83\xd2\xb9\xf7\x97\x79"
      "\x3d\xde\x93\xd7\xce\xac\x7f\xbc\xd9\xeb\x78\xcf\x75\x30\xd7\x93\xa5\x97"
      "\xbb\xd9\x99\x1c\x3a\xf8\xd3\x3c\x8f\x9a\x5f\xae\x0b\xe5\x31\x7e\xb9\xc7"
      "\x73\x62\xbc\x66\xea\x4c\x94\x17\x50\xf7\x29\xd1\x8d\xee\x95\x4e\x26\x9a"
      "\xd5\xb3\x68\xfb\x3c\xff\x7d\xbb\xdc\x2f\x2b\x77\xda\xed\x9b\x8b\xef\xee"
      "\x30\xfe\xda\x40\xfd\xb5\x7a\x5d\x4e\xab\xf5\xaf\xec\xd5\xbb\x6b\xf8\xa9"
      "\x38\x58\xe5\x7c\x79\x39\xd3\xf5\x9d\xa4\x7f\x76\x94\x6d\xaf\x6c\xde\x65"
      "\x7a\xda\xda\x5b\x73\xb9\xd3\xd6\xff\xc4\x2d\xf7\x3b\x59\xb5\x15\x45\xf7"
      "\x4a\xfd\x51\xee\x56\x13\x60\xfb\x95\x3a\x55\xff\x0c\xb7\x7d\xa4\x4b\x55"
      "\xdb\xab\x03\x6d\xa7\xeb\x7b\x78\xd9\x76\xaa\xa7\xad\xef\xe7\xad\xdc\xcd"
      "\x4a\xae\x8f\x21\x7f\x00\x3c\x8d\xbf\xbf\xbd\x59\x9c\xc9\xd1\xa9\xd6\x3f"
      "\x5b\x9f\xb4\x3e\x6e\xfd\xaa\x75\xb3\xf5\xc6\xf4\xf7\x8f\x7c\xfb\xc8\xe9"
      "\xa9\x4c\xfe\x6d\xf2\x3b\xcd\xb9\x89\xd7\x1a\xa7\x8b\x3f\xe7\xe3\xfc\x6c"
      "\xeb\xfd\x3f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\xf0\xf4\xee\xbf\xff\xc1\xad\xc5\x95\x95"
      "\xa5\x7b\xc3\x0b\x8d\x9d\x9b\xfa\x0a\xad\x0c\x6e\xd9\x6b\xe4\x81\x42\x51"
      "\x7f\xa1\xcf\xb0\x3e\xb7\xea\x6f\x29\xd8\xd7\x80\x87\x5c\x98\x4e\xd2\xb7"
      "\xa5\xfa\x9e\xa3\xb1\x87\xd1\x1a\x0c\x63\x5b\xa1\xfd\xf3\x64\xec\xf9\xe9"
      "\x7e\x89\xe0\xf0\x3e\xbf\x2d\x0b\xcd\x91\x4e\xf7\x42\xdf\x96\x3f\x6d\x1f"
      "\xf0\xc3\xbd\xe3\x99\xc8\xc0\x3c\x1c\xe1\xba\x78\x8e\x85\x46\xc6\x7b\xd0"
      "\x89\x0c\x9f\x00\x87\x75\x47\x02\xc6\xe5\xc2\xea\xed\x77\x2f\xdc\x7f\xff"
      "\x83\x6f\x2e\xdf\x5e\x7c\x67\xe9\x9d\xa5\x3b\x93\x97\x2f\x5f\x99\xbb\x72"
      "\xf9\xf5\xf9\x0b\x37\x96\x57\x96\xe6\x3a\xff\x1e\x76\x94\xc0\xf3\xb0\xf5"
      "\xd0\x3f\xec\x48\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x51\x0d\xfb\xc3"
      "\x80\x33\x2f\xed\xf5\x47\x23\xdb\x0a\x8d\x24\x83\x7f\xe3\xe1\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\x0e\xc4\xd5\x73\x69\x3e\x4c\x91\x8b\x73\xe7\xe7\xca\xfa\xc6"
      "\xfa\xfc\x4a\xb9\x74\xcb\x5b\x3d\x9b\x49\x1a\x8d\xa4\xf8\x69\x52\x3c\x4a"
      "\x16\xd2\x59\x32\xd3\x33\x5c\x91\x3f\x3c\x4a\x7b\xc8\x71\x3e\x5a\xbe\xf2"
      "\xd6\xa7\x8f\x37\x3e\xdb\x1a\xab\xd9\xe9\x9f\x34\xea\xf5\xce\x76\x6f\x4d"
      "\xb2\x56\x2f\x99\x4d\x32\x51\xaf\x9f\x41\xdf\x78\xd7\x76\x1e\xaf\x31\xda"
      "\x70\xc5\xbf\xbb\xaf\xa1\x4c\xd8\xe7\xed\x76\x7b\xe1\xd9\xe2\x83\x83\xf1"
      "\x9f\x00\x00\x00\xff\xff\x44\xd7\xed\x6d",
      1774);
  syz_mount_image(/*fs=*/0x200000000100, /*dir=*/0x200000002900,
                  /*flags=MS_LAZYTIME|MS_SYNCHRONOUS*/ 0x2000010,
                  /*opts=*/0x200000000c00, /*chdir=*/1, /*size=*/0x6ee,
                  /*img=*/0x200000000d80);
  //  close arguments: [
  //    fd: fd (resource)
  //  ]
  syscall(__NR_close, /*fd=*/(intptr_t)-1);
}
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;
  if ((reason = setup_leak()))
    printf("the reproducer may not work as expected: leak checking setup "
           "failed: %s\n",
           reason);
  loop();
  return 0;
}