// https://syzkaller.appspot.com/bug?id=0a52da0bbfd5ff2cd097edb1607fd2bda63a1c4d
// 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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

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

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      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;
    }
    remove_dir(cwdbuf);
  }
}

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

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000000, "ext4\000", 5);
  memcpy((void*)0x20000500, "./file0\000", 8);
  memcpy((void*)0x20000140, "nobarrier", 9);
  *(uint8_t*)0x20000149 = 0x2c;
  memcpy((void*)0x2000014a, "noblock_validity", 16);
  *(uint8_t*)0x2000015a = 0x2c;
  memcpy((void*)0x2000015b, "discard", 7);
  *(uint8_t*)0x20000162 = 0x2c;
  memcpy((void*)0x20000163, "grpquota", 8);
  *(uint8_t*)0x2000016b = 0x2c;
  memcpy((void*)0x2000016c, "noinit_itable", 13);
  *(uint8_t*)0x20000179 = 0x2c;
  memcpy((void*)0x2000017a, "i_version", 9);
  *(uint8_t*)0x20000183 = 0x2c;
  memcpy((void*)0x20000184, "jqfmt=vfsold", 12);
  *(uint8_t*)0x20000190 = 0x2c;
  memcpy((void*)0x20000191, "noauto_da_alloc", 15);
  *(uint8_t*)0x200001a0 = 0x2c;
  memcpy((void*)0x200001a1, "resgid", 6);
  *(uint8_t*)0x200001a7 = 0x3d;
  sprintf((char*)0x200001a8, "0x%016llx", (long long)0xee00);
  *(uint8_t*)0x200001ba = 0x32;
  *(uint8_t*)0x200001bb = 0;
  memcpy(
      (void*)0x20000a40,
      "\x78\x9c\xec\xdd\xdf\x6b\x5c\x59\x1d\x00\xf0\xef\xbd\xc9\xd4\xfe\x48\x4d"
      "\x8a\x3e\xd4\x82\xb5\xd8\x4a\x52\xb4\x33\x49\x63\xdb\x20\x58\x15\x44\x9f"
      "\x0a\x6a\x7d\xf0\xad\xc6\x64\x12\x42\x26\x99\x90\x99\xb4\x4d\x28\x9a\xe2"
      "\x1f\x20\x48\x51\xc1\x27\x9f\x7c\x11\xfc\x03\x04\xe9\x9b\xaf\xa2\x14\xf4"
      "\x55\x64\x77\xd9\x65\xd9\x6d\x77\x1f\xf6\x61\xb7\xb3\xcc\xcc\x9d\x6e\x9b"
      "\xce\xe4\x07\x9d\x64\x4a\xe6\xf3\x81\x9b\x39\xf7\xc7\xe4\xfb\x3d\x33\xcc"
      "\xb9\x73\xce\x3d\xcc\x0d\xa0\x6f\x9d\x8b\x88\xcb\x11\xf1\xb4\x56\xab\x5d"
      "\x8c\x88\xe1\x6c\x7b\x9a\x2d\x0f\x4f\x44\xc4\x66\xf3\xb8\x27\x8f\xef\xcd"
      "\xd4\x97\x24\x6a\xb5\x9b\xef\x25\x91\x64\xdb\xea\xc7\x8f\x3d\xf7\x3f\xb3"
      "\xa7\xc4\xd1\x88\xf8\xc9\x0f\x23\x7e\x91\xbc\x1c\xb7\xb2\xbe\xb1\x38\x5d"
      "\x2a\x15\x57\xb3\xf5\x42\x75\x69\xa5\x50\x59\xdf\xb8\xb4\xb0\x34\x3d\x5f"
      "\x9c\x2f\x2e\x4f\x4e\x4e\x5c\x9d\xba\x36\x75\x65\x6a\xbc\x2b\xf5\x1c\x8a"
      "\x88\xeb\xdf\x7f\xeb\x77\xbf\xf9\xf3\x0f\xae\xff\xfd\x1b\x77\xfe\x7f\xeb"
      "\x9d\xb1\x5f\xd6\xd3\xfa\x76\xb6\xbf\x55\x8f\x6e\x6b\x56\x3d\xd7\x78\x2d"
      "\x5a\x06\x23\x62\x75\x3f\x82\xf5\xc0\x40\x56\x9f\x5c\xaf\x13\x01\x00\x60"
      "\x57\x06\xb3\xef\xf9\x5f\x8d\x88\x8b\x31\x1c\x03\x8d\x2d\x00\x00\x00\xc0"
      "\x61\x52\xfb\xce\x50\x7c\x9c\x44\xd4\x00\x00\x00\x80\x43\x2b\x6d\xcc\x8d"
      "\x4d\xd2\x7c\x36\x0f\x60\x28\xd2\x34\x9f\x6f\xce\xe1\xfd\x62\x1c\x4f\x4b"
      "\xe5\x4a\xf5\xeb\x73\xe5\xb5\xe5\xd9\xe6\x1c\xda\x91\xc8\xa5\x73\x0b\xa5"
      "\xe2\x78\x36\x57\x78\x24\x72\x49\x7d\x7d\xa2\x51\xfe\x6c\xfd\xf2\x96\xf5"
      "\xc9\x88\x38\x15\x11\x0f\x86\x8f\x35\xd6\xf3\x33\xe5\xd2\x6c\xaf\x07\x3f"
      "\x00\x00\x00\xa0\x4f\x9c\xd8\xd2\xff\xff\x70\xb8\xd9\xff\x07\x00\x00\x00"
      "\x0e\x99\x91\x5e\x27\x00\x00\x00\x00\xec\x3b\xfd\x7f\x00\x00\x00\x38\xfc"
      "\xda\xf4\xff\x7f\xd6\x8b\x3c\x00\x00\x00\x80\x7d\xf1\xa3\x1b\x37\xea\xcb"
      "\xff\x5a\xf7\xbf\x9e\xbd\xbd\xbe\xb6\x58\xbe\x7d\x69\xb6\x58\x59\xcc\x2f"
      "\xad\xcd\xe4\x67\xca\xab\x2b\xf9\xf9\x72\x79\xbe\xf1\x9b\x7d\x4b\x3b\xfd"
      "\xbf\x52\xb9\xbc\xf2\xcd\x58\x5e\xbb\x5b\xa8\x16\x2b\xd5\x42\x65\x7d\xe3"
      "\xd6\x52\x79\x6d\xb9\x7a\x6b\xe1\x85\x5b\x60\x03\x00\x00\x00\x07\xe8\xd4"
      "\x57\x1e\xfe\x37\x89\x88\xcd\x6f\x1d\x6b\x2c\x75\x47\x7a\x9d\x14\x70\x20"
      "\x06\xf7\x72\xf0\x9b\xfb\x97\x07\x70\xf0\x06\x7a\x9d\x00\xd0\x33\x7b\x3a"
      "\xff\x03\x87\x4a\xae\xd7\x09\x00\x3d\x97\xec\xb0\xbf\xe3\xe4\x9d\x7f\x76"
      "\x3f\x17\x00\x00\x60\x7f\x8c\x7e\xa9\xfd\xf5\xff\x64\xc7\xb1\x81\xcd\xf4"
      "\x80\x52\x04\xf6\x89\xf1\x3f\xe8\x5f\xae\xff\x43\xff\x72\xfd\x1f\xfa\x57"
      "\x2e\x06\x42\x47\x1e\xfa\xdb\xfe\x5f\xff\xaf\xd5\xf6\x94\x10\x00\x00\xd0"
      "\x75\x43\x8d\x25\x49\xf3\x11\x8d\x71\x80\xa1\x48\xd3\x7c\x3e\xe2\x64\xe3"
      "\xb6\x00\xb9\x64\x6e\xa1\x54\x1c\x8f\x88\xcf\x47\xc4\x7f\x86\x73\x9f\xab"
      "\xaf\x4f\x34\x9e\x99\xec\xd8\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9a\x6a\xb5\x24\x6a\x00\x00\x00"
      "\xc0\xa1\x16\x91\xbe\x9d\x64\xf7\xff\x1a\x1d\xbe\x30\xb4\x75\x7c\xe0\x48"
      "\xf2\xd1\x70\xe3\x31\x22\xee\xfc\xf1\xe6\xef\xef\x4e\x57\xab\xab\x13\xf5"
      "\xed\xef\x3f\xdb\x5e\xfd\x43\xb6\xfd\x72\x2f\x46\x30\x00\x00\x00\x80\xad"
      "\x5a\xfd\xf4\x56\x3f\x1e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xba\xe9\xc9\xe3\x7b\x33\xad\xe5\x20\xe3\xbe"
      "\xfb\xbd\x88\x18\x69\x17\x7f\x30\x8e\x36\x1e\x8f\x46\x2e\x22\x8e\x7f\x90"
      "\xc4\xe0\x73\xcf\x4b\x22\x62\xa0\x0b\xf1\x37\xef\x47\xc4\xe9\x76\xf1\x93"
      "\x7a\x5a\x31\x92\x65\xd1\x2e\xfe\xb1\x1e\xc6\x4f\x23\xe2\x44\x17\xe2\x43"
      "\x3f\x7b\x58\x6f\x7f\xbe\xdb\xee\xf3\x97\xc6\xb9\xc6\x63\xfb\xcf\xdf\xd5"
      "\x46\x0b\xf5\xea\x3a\xb7\x7f\xe9\xb3\xf6\x6f\xa0\x43\xfb\x73\x72\x97\x31"
      "\xce\x3c\xfa\x6b\xa1\x63\xfc\xfb\x11\x67\x06\xdb\xb7\xff\xad\xf8\x49\x87"
      "\xf8\xe7\x77\x19\xff\xe7\x3f\xdd\xd8\xe8\xb4\xaf\xf6\xa7\x88\xd1\xb6\xe7"
      "\x9f\xe4\x85\x58\x85\xea\xd2\x4a\xa1\xb2\xbe\x71\x69\x61\x69\x7a\xbe\x38"
      "\x5f\x5c\x9e\x9c\x9c\xb8\x3a\x75\x6d\xea\xca\xd4\x78\x61\x6e\xa1\x54\xcc"
      "\xfe\xb6\x89\x70\x24\x7e\xfb\xe5\xbf\x3d\xdd\xae\xfe\xc7\xe3\x41\xc7\xf6"
      "\x77\xbb\xfa\x5f\xd8\x65\xfd\x3f\x79\x74\xf7\xf1\x17\x9a\xc5\x5c\xbb\xf8"
      "\x63\xe7\xdb\xbf\xff\xa7\x3b\xc4\x4f\xb3\x73\xdf\xd7\xb2\x72\x7d\xff\x68"
      "\xab\xbc\xd9\x2c\x3f\xef\xec\x5f\xfe\x75\x36\xe2\xdf\xff\xe8\x54\xff\xd9"
      "\x0e\xaf\xff\x4e\xef\xff\xd8\x2e\xeb\x7f\xf1\xc7\xbf\x7e\x63\x97\x87\x02"
      "\x00\x07\xa0\xb2\xbe\xb1\x38\x5d\x2a\x15\x57\xfb\xba\xf0\x4a\xaf\x46\xfd"
      "\x6b\xd1\x6b\x51\x0b\x85\xbd\x16\x7e\xf5\x7a\xa4\xf1\x5a\x16\x7a\xdb\x2e"
      "\x01\x00\x00\xdd\xf7\x72\x1f\xf8\x45\xdd\xb8\xc6\x0e\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6c\xef\x20\x7f\x5d\xaf\x65\xb3"
      "\x37\x55\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\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xd8\xd6\xa7\x01\x00\x00\xff\xff\xf5\x31\xd7"
      "\x8f",
      1243);
  syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000500, /*flags=*/0x1c915,
                  /*opts=*/0x20000140, /*chdir=*/0x1b, /*size=*/0x4da,
                  /*img=*/0x20000a40);
  memcpy((void*)0x20000580, "ext4\000", 5);
  memcpy((void*)0x200005c0, "./file0\000", 8);
  *(uint32_t*)0x200001c0 = 0;
  memcpy(
      (void*)0x20000bc0,
      "\x78\x9c\xec\xdd\xcd\x6f\x14\xe5\x1f\x00\xf0\xef\x33\x7d\xe1\xa5\xfc\x7e"
      "\x2d\xc4\xa8\x78\xd0\x26\xc6\x40\xa2\xb4\xb4\x80\x21\xc6\x03\xdc\x09\xc1"
      "\x97\x9b\x17\x2b\x2d\x04\x59\x5e\x42\x6b\xb4\xd5\x03\x24\x78\x31\x31\xc6"
      "\xc4\x83\x89\x27\x0f\xe2\xdd\x3f\x40\x89\x5e\x3c\x78\xf2\xe6\xc1\x8b\x5e"
      "\x0c\x09\x31\x86\xa3\x09\x6b\x66\x3b\x53\x16\xba\x5b\xda\xb2\x65\x0a\xf3"
      "\xf9\x24\xd3\x7d\x9e\x79\x76\xfb\x3c\xb3\x9b\xef\x3e\x33\xcf\x3e\x33\x13"
      "\x40\x6d\x8d\xe6\x7f\xb2\x88\xdd\x11\x71\x31\x45\x0c\xb7\x95\xf5\x47\x51"
      "\x38\xba\xf8\xbc\x5b\xff\x7c\x74\x32\x5f\x52\x34\x9b\x6f\xfc\x9d\x22\x15"
      "\xeb\xca\xe7\xa7\xe2\x71\xa8\x78\xf1\xd6\x88\xf8\xf5\xc7\x14\xbb\xfa\x96"
      "\xd7\x3b\x3b\xbf\x70\x76\xaa\xd1\x98\xb9\x54\xe4\xc7\xe7\xce\x5d\x1c\x9f"
      "\x9d\x5f\xd8\x77\xe6\xdc\xd4\xe9\x99\xd3\x33\xe7\x27\x5f\x9e\x3c\x7c\xe8"
      "\xe0\xa1\xc3\x13\xfb\x7b\xb6\xad\xc7\xae\xbe\xfb\xfe\xf0\x27\xc7\xdf\xfa"
      "\xe6\xab\x7f\xd3\xc4\xb7\xbf\x1f\x4f\x71\x24\x76\x14\x65\xed\xdb\xd1\x2b"
      "\xa3\x31\xba\xf4\x9e\xb4\xcb\xdf\xd7\xc3\xbd\xae\xac\x22\x7d\xc5\xf6\xb4"
      "\x7f\xc4\xa9\xbf\xc2\x06\xb1\x26\xe5\xe7\x37\x10\x11\x4f\xc5\x70\xf4\xc5"
      "\x9d\x0f\x6f\x38\x3e\x7e\xad\xd2\xc6\x01\x1b\xaa\x99\x22\x9a\x40\x4d\x25"
      "\xf1\x0f\x35\x55\xee\x07\x94\xc7\xf6\x1b\x71\x1c\x0c\x6c\x4e\x37\x8f\x2e"
      "\x0e\x00\x2c\x8f\xff\xfe\xc5\xb1\xc1\xd8\xda\x1a\x1b\xd8\x7e\x2b\x45\xfb"
      "\xb0\x4e\x8a\x88\x5e\x8c\xcc\xe5\x75\xfc\xf2\xd3\xf1\xab\xf9\x12\x1b\x34"
      "\x0e\x07\x74\x76\xf9\x4a\x44\x3c\xdd\x29\xfe\x53\x2b\x36\x47\x5a\xa3\xf8"
      "\x79\xfc\x67\x77\xc5\x7f\x16\x11\x27\x8a\xc7\x7c\xfd\xeb\xeb\xac\x7f\xf4"
      "\x9e\xbc\xf8\x87\x87\xe7\x41\xe2\xff\xed\xb6\xf8\x7f\x67\x9d\xf5\x8b\x7f"
      "\x00\x00\x00\x00\x00\x00\xe8\x9d\xeb\x47\x23\xe2\xa5\x4e\xbf\xff\x65\x4b"
      "\xf3\x7f\xa2\xc3\xfc\x9f\xa1\x88\x38\xd2\x83\xfa\xef\xff\xfb\x5f\x76\xa3"
      "\x07\xd5\x00\x1d\xdc\x3c\x1a\xf1\x6a\xc7\xf9\xbf\x59\xf9\x94\x91\xbe\x22"
      "\xf7\xbf\xd6\x7c\x80\x81\x74\xea\x4c\x63\x66\x7f\x44\xfc\x3f\x22\xf6\xc6"
      "\xc0\x96\x3c\x3f\xb1\x42\x1d\xfb\x3e\xdd\xf5\x65\xb7\xb2\xf6\xf9\x7f\xf9"
      "\x92\xd7\x5f\xce\x05\x2c\xda\x71\xa3\x7f\xcb\xdd\xaf\x99\x9e\x9a\x9b\x7a"
      "\x90\x6d\x06\x16\xdd\xbc\x12\xf1\x4c\xc7\xf9\xbf\x69\xa9\xff\x4f\x1d\xfa"
      "\xff\xfc\xfb\xe0\xe2\x2a\xeb\xd8\xf5\xc2\xb5\x13\xdd\xca\xee\x1f\xff\xc0"
      "\x46\x69\x7e\x1d\xb1\xa7\x63\xff\x7f\xe7\xca\x15\x69\xe5\xeb\x73\x8c\xb7"
      "\xf6\x07\xc6\xcb\xbd\x82\xe5\x9e\xfd\xf0\xb3\xef\xbb\xd5\x2f\xfe\xa1\x3a"
      "\x79\xff\xbf\x7d\xe5\xf8\x1f\x49\xed\xd7\xeb\x99\x5d\x7b\x1d\x07\xe6\xfb"
      "\x9b\xdd\xca\xd6\xbb\xff\x3f\x98\xde\x6c\x5d\x72\x66\xb0\x58\xf7\xc1\xd4"
      "\xdc\xdc\xa5\x89\x88\xc1\x74\x6c\xf9\xfa\xc9\xb5\xb7\x19\x1e\x47\x65\x3c"
      "\x94\xf1\x92\xc7\xff\xde\xe7\x57\x1e\xff\x4b\xb1\x65\xd9\xfe\xff\xb6\x88"
      "\xb8\xbc\xca\x3a\x9f\xbc\x3d\xf4\x47\xb7\x32\xfd\x3f\x54\x27\x8f\xff\xe9"
      "\x35\xf5\xff\x6b\x4f\x4c\x5e\x1b\xf9\xa1\x5b\xfd\xab\xeb\xff\x0f\xb6\xfa"
      "\xf4\xbd\xc5\x1a\xe3\x7f\xb0\xb2\xd5\x06\x68\xd5\xed\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\x80\x47\x51\x16\x11\x3b\x22\x65\x63\x4b\xe9\x2c\x1b\x1b\x8b\x18"
      "\x8a\x88\x27\x62\x7b\xd6\xb8\x30\x3b\xf7\xe2\xa9\x0b\xef\x9d\x9f\xce\xcb"
      "\x5a\xf7\xff\xcf\xca\x3b\xfd\x0e\x2f\xe6\x53\x79\xff\xff\x91\xb6\xfc\xe4"
      "\x3d\xf9\x03\x11\xb1\x33\x22\xbe\xe8\xdb\xd6\xca\x8f\x9d\xbc\xd0\x98\xae"
      "\x7a\xe3\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60"
      "\x93\x18\xea\x72\xfe\x7f\xee\xaf\xbe\xaa\x5b\x07\x6c\xb8\xfe\xaa\x1b\x00"
      "\x54\x46\xfc\x43\x7d\x89\x7f\xa8\xaf\xf6\xf8\xbf\xdd\xac\xb0\x21\xc0\x43"
      "\xa7\xff\x87\xfa\x12\xff\x50\x5f\xe2\x1f\xea\x4b\xfc\x43\x7d\xf5\xc7\xe7"
      "\x3f\x57\xdd\x06\xa0\x1a\xfa\x7f\x00\x00\x00\x00\x00\x78\xac\xec\x7c\xee"
      "\xfa\x6f\x29\x22\x2e\xbf\xb2\xad\xb5\xe4\x06\x8b\xb2\x81\x4a\x5b\x06\x6c"
      "\xb4\xac\xea\x06\x00\x95\x71\x89\x1f\xa8\x2f\x53\x7f\xa0\xbe\x1c\xe3\x03"
      "\xe9\x3e\xe5\x5b\xd7\xfd\x4a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa0"
      "\x57\xf6\xec\x76\xfe\x3f\xd4\x95\xf3\xff\xa1\xbe\x9c\xff\x0f\xf5\xe5\xfc"
      "\x7f\xa8\x2f\xc7\xf8\x80\xf3\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x60\xf3\x9b\x9d\x5f\x38\x3b\xd5\x68\xcc\x5c\x9a\x9d\xff\xb3\x4c\x2c\xf4"
      "\x26\x31\xd0\xa3\xff\xf3\x48\x26\xbe\x2b\x26\x4c\x6f\x96\xf6\x48\x48\xac"
      "\x2d\x51\xf5\x37\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x50\xfa\x2f\x00\x00\xff\xff\x70\x0b\x24\xc3",
      1419);
  syz_mount_image(/*fs=*/0x20000580, /*dir=*/0x200005c0, /*flags=*/0,
                  /*opts=*/0x200001c0, /*chdir=*/1, /*size=*/0x58b,
                  /*img=*/0x20000bc0);
  memcpy((void*)0x20000080, "cgroup.controllers\000", 19);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000080, "cgroup.controllers\000", 19);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x20000200, "#! ", 3);
  memcpy((void*)0x20000203, "./file0", 7);
  *(uint8_t*)0x2000020a = 0xa;
  syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000200ul, /*len=*/0xbul);
  *(uint16_t*)0x20000100 = 0;
  *(uint16_t*)0x20000102 = 0;
  *(uint64_t*)0x20000108 = 0;
  *(uint64_t*)0x20000110 = 0xd001;
  *(uint32_t*)0x20000118 = 0;
  *(uint32_t*)0x2000011c = 0;
  memset((void*)0x20000120, 0, 16);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x40305829, /*arg=*/0x20000100ul);
}
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);
  use_temporary_dir();
  loop();
  return 0;
}