// https://syzkaller.appspot.com/bug?id=f34aaaca22b6590b45be3c10114cf04f402cfdc0
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.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/futex.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 void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

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;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 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, umount_flags) == 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, umount_flags))
        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, umount_flags))
          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")) {
  }
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 4; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

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 (;;) {
      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;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    //  syz_mount_image$exfat arguments: [
    //    fs: ptr[in, buffer] {
    //      buffer: {65 78 66 61 74 00} (length 0x6)
    //    }
    //    dir: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 37 00} (length 0x8)
    //    }
    //    flags: mount_flags = 0x200000 (8 bytes)
    //    opts: ptr[inout, array[ANYUNION]] {
    //      array[ANYUNION] {
    //        union ANYUNION {
    //          ANYBLOB: buffer: {75 74 66 38 2c 69 6f 63 68 61 72 73 65 74 3d
    //          6d 61 63 63 e2 7c 72 6f 61 74 69 61 6e 2c 67 69 64 3d} (length
    //          0x21)
    //        }
    //        union ANYUNION {
    //          ANYRESHEX: ANYRES64 (resource)
    //        }
    //        union ANYUNION {
    //          ANYBLOB: buffer: {2c 65 72 72 6f 72 73 3d 72 65 6d 6f 75 6e 74
    //          2d 72 6f 2c 69 6f 63 68 61 72 73 65 74 3d 63 70 38 36 39 2c 6b
    //          65 65 70 5f 6c 61 73 74 5f 64 6f 74 73 2c 65 72 72 6f 72 73 3d
    //          72 65 6d 6f 75 6e 74 2d 72 6f 2c 61 6c 6c 6f 77 5f 75 74 69 6d
    //          65 3d 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30
    //          30 30 31 30 2c 65 72 72 6f 72 73 3d 72 65 6d 6f 75 6e 74 2d 72
    //          6f 2c 00} (length 0x7b)
    //        }
    //      }
    //    }
    //    chdir: int8 = 0x1 (1 bytes)
    //    size: len = 0x14e1 (8 bytes)
    //    img: ptr[in, buffer] {
    //      buffer: (compressed buffer with length 0x14e1)
    //    }
    //  ]
    //  returns fd_dir
    memcpy((void*)0x200000001500, "exfat\000", 6);
    memcpy((void*)0x200000001540, "./file7\000", 8);
    memcpy(
        (void*)0x200000000200,
        "\x75\x74\x66\x38\x2c\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x6d\x61"
        "\x63\x63\xe2\x7c\x72\x6f\x61\x74\x69\x61\x6e\x2c\x67\x69\x64\x3d",
        33);
    sprintf((char*)0x200000000221, "0x%016llx", (long long)0);
    memcpy((void*)0x200000000233,
           ",errors=remount-ro,iocharset=cp869,keep_last_dots,errors=remount-"
           "ro,allow_utime=00000000000000000000010,errors=remount-ro,\000",
           123);
    memcpy(
        (void*)0x200000002ac0,
        "\x78\x9c\xec\xdc\x09\x74\x56\x45\xb6\x28\xe0\xda\x55\x75\x20\xc4\x88"
        "\xbf\x11\x99\x6b\xd7\x3e\xf0\x8b\x01\x8a\x88\x88\xc8\x20\x22\x32\x88"
        "\x88\x88\x08\x88\xcc\x22\x20\x62\x44\x44\x44\x44\x84\x80\x4c\x22\x02"
        "\x22\x02\x32\x46\x44\x86\x10\x01\x91\x21\x40\xc4\x30\xcf\xf3\x3c\x18"
        "\x69\x44\x44\x44\x64\x92\x49\xa0\xde\xc2\xee\xbe\xdc\x6e\xfb\x2e\xee"
        "\xeb\xd7\xb7\x79\xef\x65\x7f\x6b\xd5\x4a\xed\x9c\xb3\xf7\x5f\x95\x9d"
        "\xe4\x3f\xe7\xac\x95\xfc\xd4\x75\x58\x8d\xc6\x35\xab\x36\x20\x22\xf1"
        "\xcf\x50\x7f\x9d\xc0\x9f\x3f\x24\x0b\x21\x62\x84\x10\x03\x85\x10\xb7"
        "\x09\x21\x02\x21\x44\xd9\xf8\xb2\xf1\xd7\x8e\xe7\x52\x90\xfc\x4f\xbd"
        "\x08\xfb\x1f\xd2\x30\xf5\x66\xaf\x80\xdd\x4c\xdc\xff\xec\x8d\xfb\x9f"
        "\xbd\x71\xff\xb3\x37\xee\x7f\xf6\xc6\xfd\xcf\xde\xb8\xff\xd9\x1b\xf7"
        "\x3f\x7b\xe3\xfe\x33\x96\xad\xa5\x15\xb8\x9d\x47\xf6\x1d\x37\x78\xfe"
        "\x9f\xf3\x46\xdf\x3e\xfc\xfc\xff\xff\x65\xfc\xfe\x9f\xbd\x71\xff\xb3"
        "\x37\xee\x7f\xf6\xc6\xfd\xcf\xde\xb8\xff\xd9\x1b\xf7\x3f\x7b\xe3\xfe"
        "\x67\x6f\xdc\xff\xff\x8f\xc9\x1b\x9f\xc2\xfd\x67\x2c\x5b\xfb\xbf\xe0"
        "\x19\x34\x8f\x9b\x38\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\xb1\x7f\x83"
        "\x0b\xfe\x3a\x2d\x84\xf8\xeb\xfc\x66\xaf\x8b\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\xff\x3a\x3e\xe7\xcd\x5e\x01\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\xfe\xe7\x81\x90\x42\x09\x2d\x02\x91\x43\xe4\x14\x31\x22\x97"
        "\x88\x15\xb7\x88\x38\x71\xab\xc8\x2d\x6e\x13\x11\x71\xbb\x88\x17\x77"
        "\x88\x3c\xe2\x4e\x91\x57\xe4\x13\xf9\x45\x01\x51\x50\x14\x12\x85\x85"
        "\x11\x28\xac\x20\x11\x8a\x22\xa2\xa8\x88\x8a\xbb\x44\x31\x71\xb7\x48"
        "\x10\xc5\x45\x09\x51\x52\x38\x51\x4a\x24\x8a\x7b\x44\x69\x71\xaf\x28"
        "\x23\xee\x13\x65\xc5\xfd\xa2\x9c\x78\x40\x94\x17\x15\x44\x45\x51\x49"
        "\x3c\x28\x2a\x8b\x87\x44\x15\xf1\xb0\xa8\x2a\x1e\x11\xd5\x44\x75\x51"
        "\x43\xd4\x14\x8f\x8a\x5a\xe2\x31\x51\x5b\x3c\x2e\xea\x88\x27\x44\x5d"
        "\xf1\xa4\xa8\x27\x9e\x12\xf5\xc5\xd3\xa2\x81\x68\x28\x1a\x89\x67\x44"
        "\x63\xf1\xac\x68\x22\x9a\x8a\x66\xa2\xb9\x68\x21\x5a\x8a\x56\xff\x54"
        "\xfe\x5b\xa2\x87\x78\x5b\xf4\x14\xbd\x44\xb2\xe8\x2d\xfa\x88\x77\x44"
        "\x5f\xd1\x4f\xf4\x17\x03\xc4\x40\xf1\xae\x18\x24\xde\x13\x83\xc5\xfb"
        "\x62\x88\x18\x2a\x86\x89\x0f\xc4\x70\xf1\xa1\x18\x21\x3e\x12\x23\xc5"
        "\x28\x31\x5a\x7c\x2c\xc6\x88\xb1\x62\x9c\x18\x2f\x26\x88\x89\x22\x45"
        "\x7c\x22\x26\x89\x4f\xc5\x64\xf1\x99\x98\x22\xa6\x8a\x69\x62\xba\x48"
        "\x15\x33\x44\x9a\xf8\x5c\xcc\x14\xb3\xc4\x6c\xf1\x85\x98\x23\xbe\x14"
        "\x73\xc5\x3c\x31\x5f\x2c\x10\xe9\x62\xa1\x58\x24\x16\x8b\x0c\xf1\x95"
        "\x58\x22\xbe\x16\x99\x62\xa9\x58\x26\x96\x8b\x15\x62\xa5\x58\x25\x56"
        "\x8b\x35\x62\xad\x58\x27\xd6\x8b\x0d\x62\xa3\xd8\x24\x36\x8b\x2d\x62"
        "\xab\xd8\x26\xb6\x8b\x1d\x62\xa7\xd8\x25\x76\x8b\x3d\x62\xaf\xd8\x27"
        "\xf6\x8b\x03\xe2\x1b\x91\x25\xbe\xfd\xdf\xcc\x3f\xff\x77\xf9\xdd\x40"
        "\x80\x00\x09\x12\x34\x68\xc8\x01\x39\x20\x06\x62\x20\x16\x62\x21\x0e"
        "\xe2\x20\x37\xe4\x86\x08\x44\x20\x1e\xe2\x21\x0f\xe4\x81\xbc\x90\x17"
        "\xf2\x43\x7e\x28\x08\x05\xa1\x30\x14\x06\x04\x04\x02\x82\x22\x50\x04"
        "\xa2\x10\x85\x62\x50\x0c\x12\x20\x01\x4a\x40\x09\x70\xe0\x20\x11\x12"
        "\xa1\x34\xdc\x0b\x65\xa0\x0c\x94\x85\xb2\x50\x0e\xca\x41\x79\xa8\x00"
        "\x15\xa0\x12\x54\x82\xca\x50\x19\xaa\x40\x15\xa8\x0a\x55\xa1\x1a\x54"
        "\x83\x1a\x50\x03\x1e\x85\x47\xe1\x31\xa8\x0d\xb5\xa1\x0e\xd4\x81\xba"
        "\x50\x17\xea\x41\x3d\xa8\x0f\xf5\xa1\x01\x34\x80\x46\xd0\x08\x1a\x43"
        "\x63\x68\x02\x4d\xa0\x19\x34\x83\x16\xd0\x02\x5a\x41\x2b\x68\x0d\xad"
        "\xa1\x0d\xb4\x81\x76\xd0\x0e\xda\x43\x7b\xe8\x00\x1d\x20\x09\x92\xa0"
        "\x23\x74\x84\x4e\xd0\x09\x3a\x43\x67\xe8\x02\x5d\xa0\x2b\x74\x85\x6e"
        "\xf0\x26\xbc\x09\x6f\xc1\x5b\xf0\x36\xbc\x0d\xbd\xa0\x9a\xec\x0d\x7d"
        "\xa0\x0f\xf4\x85\xbe\xd0\x1f\x06\xc0\x00\x78\x17\x06\xc1\x7b\xf0\x1e"
        "\xbc\x0f\x43\x60\x28\x0c\x83\x0f\xe0\x03\xf8\x10\x46\xc0\x39\x18\x09"
        "\xa3\x60\x34\x8c\x86\xca\x72\x2c\x8c\x83\xf1\x40\x72\x22\xa4\x40\x0a"
        "\x4c\x82\x49\x30\x19\x26\xc3\x14\x98\x0a\x53\x61\x3a\xa4\xc2\x0c\x48"
        "\x83\x34\x98\x09\xb3\x60\x16\x7c\x01\x73\xe0\x4b\xf8\x12\xe6\xc1\x3c"
        "\x58\x00\xe9\x90\x0e\x8b\x60\x31\x64\x40\x06\x2c\x81\xf3\x90\x09\x4b"
        "\x61\x19\x2c\x87\x15\xb0\x12\x56\xc0\x6a\x58\x03\xab\x61\x1d\xac\x87"
        "\x75\xb0\x11\x36\xc2\x66\xd8\x0c\x5b\x61\x2b\x6c\x87\xed\xb0\x13\x76"
        "\xc2\x6e\xd8\x0d\x7b\x61\x2f\xec\x87\xfd\x30\x04\xb2\x20\x0b\x0e\xc2"
        "\x41\x38\x04\x87\xe0\x30\x1c\x86\x23\x70\x04\x8e\xc2\x51\x38\x06\xc7"
        "\xe0\x38\x1c\x87\x13\x70\x02\x4e\xc2\x29\x38\x0d\xa7\xe0\x2c\x9c\x85"
        "\x73\x70\x1e\x2e\xc0\x05\xb8\x04\x97\xe0\x32\x5c\x86\xab\x70\xf5\xda"
        "\x0f\xbf\xbc\x46\x4b\x2d\x73\xc8\x1c\x32\x46\xc6\xc8\x58\x19\x2b\xe3"
        "\x64\x9c\xcc\x2d\x73\xcb\x88\x8c\xc8\x78\x19\x2f\xf3\xc8\x3c\x32\xaf"
        "\xcc\x2b\xf3\xcb\xfc\xb2\xa0\x2c\x28\x0b\xcb\xc2\x12\x25\x4a\x92\xa1"
        "\x2c\x22\x8b\xc8\xa8\x8c\xca\x62\xb2\x98\x4c\x90\x09\xb2\x84\x2c\x21"
        "\x9d\x74\x32\x51\x26\xca\xd2\xb2\xb4\x2c\x23\xcb\xc8\xb2\xf2\x7e\x59"
        "\x4e\x3e\x20\xcb\xcb\x0a\xb2\xad\xab\x24\x2b\xc9\xca\xb2\x9d\xab\x22"
        "\x1f\x96\x55\x65\x55\x59\x4d\x56\x97\x35\x64\x4d\x59\x53\xd6\x92\xb5"
        "\x64\x6d\x59\x5b\xd6\x91\x75\x64\x5d\x59\x57\xd6\x93\x4f\xc9\xfa\xb2"
        "\x37\xf4\x87\x86\xf2\x5a\x67\x1a\xcb\xa1\xd0\x44\x0e\x83\x66\xb2\xb9"
        "\x6c\x21\x5b\xca\x0f\xe1\x39\xd9\x5a\x8e\x80\x36\xb2\xad\x6c\x27\x5f"
        "\x90\xa3\x60\x24\x74\x90\xad\x5d\x92\x7c\x59\x76\x94\xe3\xa0\x93\x7c"
        "\x55\x8e\x87\xd7\x64\x17\x39\x11\xba\xca\x37\x64\x37\xf9\xa6\xec\x2e"
        "\xdf\x92\x3d\x64\x1b\xd7\x53\xf6\x92\x53\xa0\xb7\xec\x23\xa7\x43\x5f"
        "\xd9\x4f\xf6\x97\x03\xe4\x4c\xa8\x2e\xaf\x75\xac\x86\x7c\x5f\x0e\x91"
        "\x43\xe5\x30\xf9\x81\x5c\x00\x1f\xca\x11\xf2\x23\x39\x52\x8e\x92\xa3"
        "\xe5\xc7\x72\x8c\x1c\x2b\xc7\xc9\xf1\x72\x82\x9c\x28\x53\xe4\x27\x72"
        "\x92\xfc\x54\x4e\x96\x9f\xc9\x29\x72\xaa\x9c\x26\xa7\xcb\x54\x39\x43"
        "\xa6\xc9\xcf\xe5\x4c\x39\x4b\xce\x96\x5f\xc8\x39\xf2\x4b\x39\x57\xce"
        "\x93\xf3\xe5\x02\x99\x2e\x17\xca\x45\x72\xb1\xcc\x90\x5f\xc9\x25\xf2"
        "\x6b\x99\x29\x97\xca\x65\x72\xb9\x5c\x21\x57\xca\x55\x72\xb5\x5c\x23"
        "\xd7\xca\x75\x72\xbd\xdc\x20\x37\xca\x4d\x72\xb3\xdc\x22\xb7\xca\x6d"
        "\x72\xbb\xdc\x21\x77\xca\x5d\x72\xb7\xdc\x23\xf7\xca\x7d\x72\xbf\x3c"
        "\x20\xbf\x91\x59\xf2\x5b\x79\x50\xfe\x49\x1e\x92\xdf\xc9\xc3\xf2\x7b"
        "\x79\x44\xfe\x20\x8f\xca\x1f\xe5\x31\xf9\x93\x3c\x2e\x7f\x96\x27\xe4"
        "\x2f\xf2\xa4\x3c\x25\x4f\xcb\x33\xf2\xac\xfc\x55\x9e\x93\xe7\xe5\x05"
        "\x79\x51\x5e\x92\xbf\xc9\xcb\xf2\x8a\xbc\x2a\xbd\x14\x0a\x94\x54\x4a"
        "\x69\x15\xa8\x1c\x2a\xa7\x8a\x51\xb9\x54\xac\xba\x45\xc5\xa9\x5b\x55"
        "\x6e\x75\x9b\x8a\xa8\xdb\x55\xbc\xba\x43\xe5\x51\x77\xaa\xbc\x2a\x9f"
        "\xca\xaf\x0a\xa8\x82\xaa\x90\x2a\xac\x8c\x42\x65\x15\xa9\x50\x15\x51"
        "\x45\x55\x54\xdd\xa5\x8a\xa9\xbb\x55\x82\x2a\xae\x4a\xa8\x92\xca\xa9"
        "\x52\x2a\x51\xdd\xa3\x4a\xab\x7b\x55\x19\x75\x9f\x2a\xab\xee\x57\xe5"
        "\xd4\x03\xaa\xbc\xaa\xa0\x2a\xaa\x4a\xea\x41\x55\x59\x3d\xa4\xaa\xa8"
        "\x87\x55\x55\xf5\x88\xaa\xa6\xaa\xab\x1a\xaa\xa6\x7a\x54\xd5\x52\x8f"
        "\xa9\xda\xea\x71\x55\x47\x3d\xa1\xea\xaa\x27\x55\x3d\xf5\x94\xaa\xaf"
        "\x9e\x56\x0d\x54\x43\xd5\x48\x3d\xa3\x1a\xab\x67\x55\x13\xd5\x54\x35"
        "\x53\xcd\x55\x0b\xd5\x52\xb5\x52\xcf\xa9\xd6\xea\x79\xd5\x46\xb5\x55"
        "\xed\xd4\x0b\xaa\xbd\x7a\x51\x75\x50\x2f\xa9\x24\xf5\xb2\xea\xa8\x5e"
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        "\xbd\xa9\xba\xab\x2b\xea\xaa\xf2\xaa\xa7\xea\xa5\x92\x55\x6f\xd5\x47"
        "\xbd\xa3\xfa\xaa\x7e\xaa\xbf\x1a\xa0\x06\xaa\x77\xd5\x20\xf5\x9e\x1a"
        "\xac\xde\x57\x43\xd4\x50\x35\x4c\x7d\xa0\x86\xab\x0f\xd5\x08\xf5\x91"
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        "\xf0\xef\xaf\xbe\x59\x6d\x51\x5b\xd5\x36\xb5\x5d\xed\x50\x3b\xd5\x2e"
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        "\x7d\x8b\x8e\xd3\xb7\xea\xdc\xfa\x36\x1d\xd1\xb7\xeb\x78\x7d\x87\xce"
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        "\x7a\xbd\x51\x6f\xd4\x99\x7a\x8b\xde\xa2\xb7\xe9\x6d\x7a\x87\xde\xa1"
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        "\x3e\xa8\x0f\xea\x43\xfa\x90\x3e\xac\x0f\xeb\x23\xfa\x88\x3e\xaa\x8f"
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        "\xb4\x3e\xab\xcf\xea\x73\xfa\x9c\xbe\xa0\x2f\xe8\x4b\xfa\x92\xbe\xac"
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        "\x77\x05\xc5\x82\xbb\x83\x84\xa0\x78\x50\x22\x28\x19\xb8\xa0\x54\x90"
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        "\x0f\x07\x55\x83\x47\x82\x6a\x41\xf5\xa0\x46\x50\x33\x78\x34\xa8\x15"
        "\x3c\x16\xd4\x0e\x1e\x0f\xea\x04\x4f\x04\x75\x83\x27\x83\x7a\xc1\x53"
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        "\x7c\xcf\xbb\x9e\xa6\x97\x49\x36\xbd\x4d\x1f\xf3\x8e\xe9\x6b\xfa\x99"
        "\xfe\x66\x80\x19\x68\xde\x35\x83\xcc\x7b\x66\xb0\x79\xdf\x0c\x31\x43"
        "\xcd\x30\xf3\x81\x19\x6e\x3e\x34\x23\xcc\x47\x66\xa4\x19\x65\x46\x9b"
        "\x8f\xcd\x18\x33\xd6\x8c\x33\xe3\xcd\x04\x33\xd1\xa4\x98\x4f\xcc\x24"
        "\xf3\xa9\x99\x6c\x3e\x33\x53\xcc\x54\x33\xcd\x4c\x37\xa9\x66\x86\x49"
        "\x33\x9f\x9b\x99\x66\x96\x99\x6d\xbe\x30\x73\xcc\x97\x66\xae\x99\x67"
        "\xe6\x9b\x05\x26\xdd\x2c\x34\x8b\xcc\x62\x93\x61\xbe\x32\x4b\xcc\xd7"
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        "\x35\xeb\xcc\x7a\xb3\xc1\x6c\x34\x9b\xcc\x66\xb3\xc5\x6c\x35\xdb\xcc"
        "\x76\xb3\xc3\xec\x34\xbb\xcc\x6e\xb3\xc7\xec\x35\xfb\xcc\x7e\x73\xc0"
        "\x7c\x63\xb2\xcc\xb7\xe6\xa0\xf9\x93\x39\x64\xbe\x33\x87\xcd\xf7\xe6"
        "\x88\xf9\xc1\x1c\x35\x3f\x9a\x63\xe6\x27\x73\xdc\xfc\x6c\x4e\x98\x5f"
        "\xcc\x49\x73\xca\x9c\x36\x67\xcc\x59\xf3\xab\x39\x67\xce\x9b\x0b\xe6"
        "\xa2\xb9\x64\x7e\x33\x97\xcd\x15\x73\xd5\xf8\x6b\x17\xf7\xd7\xde\xde"
        "\x51\xa3\xc6\x1c\x98\x03\x63\x30\x06\x63\x31\x16\xe3\x30\x0e\x73\x63"
        "\x6e\x8c\x60\x04\xe3\x31\x1e\xf3\x60\x1e\xcc\x8b\x79\x31\x3f\xe6\xc7"
        "\x82\x58\x10\x0b\x63\x61\xbc\x86\x90\xb0\x08\x16\xc1\x28\x46\xb1\x18"
        "\x16\xc3\x04\x4c\xc0\x12\x58\x02\x1d\x3a\x4c\xc4\x44\x2c\x8d\xa5\xb1"
        "\x0c\x96\xc1\xb2\x58\x16\xcb\x61\x39\x2c\x8f\xe5\xb1\x22\x56\xc4\x07"
        "\xf1\x41\x7c\x08\x1f\xc2\x87\xf1\x61\x7c\x04\x1f\xc1\xea\x58\x1d\x6b"
        "\x62\x4d\xac\x85\xb5\xb0\x36\xd6\xc6\x3a\x58\x07\xeb\x62\x5d\xac\x87"
        "\xf5\xb0\x3e\xd6\xc7\x06\xd8\x00\x1b\x61\x23\x6c\x8c\x8d\xb1\x09\x36"
        "\xc1\x66\xd8\x0c\x5b\x60\x0b\x6c\x85\xad\xb0\x35\xb6\xc6\x36\xd8\x06"
        "\xdb\x61\x3b\x6c\x8f\xed\xb1\x03\x76\xc0\x24\x4c\xc2\x8e\xd8\x11\x3b"
        "\x61\x27\xec\x8c\x9d\xb1\x0b\x76\xc1\xae\xd8\x15\xbb\x61\x37\xec\x8e"
        "\xdd\xb1\x07\xf6\xc0\x9e\xd8\x13\x93\x31\x19\xfb\x60\x1f\xec\x8b\x7d"
        "\xb1\x3f\xf6\xc7\x81\x38\x10\x07\xe1\x20\x1c\x8c\x83\x71\x08\x0e\xc1"
        "\x61\x38\x0c\x87\xe3\x70\x1c\x81\x23\x70\x24\x8e\xc2\xd1\xf8\x31\x8e"
        "\xc1\xb1\x38\x0e\xc7\xe3\x04\x9c\x88\x29\x98\x82\x93\x70\x12\x4e\xc6"
        "\xc9\x38\x05\xa7\xe0\x34\x9c\x86\xa9\x98\x8a\x69\x98\x86\x33\x71\x26"
        "\xce\xc6\xd9\x38\x07\xe7\xe0\x5c\x9c\x8b\xf3\x71\x3e\xa6\x63\x3a\x2e"
        "\xc2\x45\x98\x81\x19\xb8\x04\x97\x60\x26\x66\xe2\x32\x5c\x86\x2b\x70"
        "\x05\xae\xc2\x55\xb8\x06\xd7\xe0\x3a\x5c\x87\x1b\x70\x03\x6e\xc2\x4d"
        "\xb8\x05\xb7\xe0\x36\xdc\x86\x3b\x70\x07\xee\xc2\x5d\xb8\x07\xf7\xe0"
        "\x3e\xdc\x87\x07\xf0\x00\x66\x61\x16\x1e\xc4\x83\x78\x08\x0f\xe1\x61"
        "\x3c\x8c\x47\xf0\x08\x1e\xc5\xa3\x78\x0c\x8f\xe1\x71\x3c\x8e\x27\xf0"
        "\x04\x9e\xc4\x93\x78\x1a\x4f\xe3\x59\x3c\x8b\xe7\xf0\x1c\x5e\xc0\x0b"
        "\x78\x09\x7f\xc3\xcb\x78\x05\xaf\xa2\xc7\x18\x9b\xcb\xc6\xda\x5b\x6c"
        "\x9c\xbd\xd5\xe6\xb6\xb7\xd9\xbf\x8f\xf3\xdb\x02\xb6\xa0\x2d\x64\x0b"
        "\x5b\x63\xf3\xda\x7c\x7f\x13\xa3\xb5\x36\xc1\x16\xb7\x25\x6c\x49\xeb"
        "\x6c\x29\x9b\x68\xef\xf9\x43\x5c\xde\x56\xb0\x15\x6d\x25\xfb\xa0\xad"
        "\x6c\x1f\xb2\x55\xfe\x10\xd7\xb2\x8f\xd9\xda\xf6\x71\x5b\xc7\x3e\x61"
        "\x6b\xda\x47\xff\x26\xae\x6b\x9f\xb4\xf5\xec\xb3\xb6\xbe\x6d\x6a\x1b"
        "\xd8\xe6\xb6\x91\x6d\x69\x1b\xdb\x67\x6d\x13\xdb\xd4\x36\xb3\xcd\x6d"
        "\x0b\xdb\xd2\xb6\xb7\x2f\xda\x0e\xf6\x25\x9b\x64\x5f\xb6\x1d\xed\x2b"
        "\x7f\x88\x17\xd9\xc5\x76\x8d\x5d\x6b\xd7\xd9\xf5\x76\x9f\xdd\x6f\x2f"
        "\xd8\x8b\xf6\x98\xfd\xc9\x5e\xb2\xbf\xd9\x9e\xb6\x97\x1d\x68\xdf\xb5"
        "\x83\xec\x7b\x76\xb0\x7d\xdf\x0e\xb1\x43\xff\x10\x8f\xb6\x1f\xdb\x31"
        "\x76\xac\x1d\x67\xc7\xdb\x09\x76\xe2\x1f\xe2\x69\x76\xba\x4d\xb5\x33"
        "\x6c\x9a\xfd\xdc\xce\xb4\xb3\xfe\x10\xa7\xdb\x85\x76\x8e\xcd\xb0\x73"
        "\xed\x3c\x3b\xdf\x2e\xf8\x3d\xbe\xb6\xa6\x0c\xfb\x95\x5d\x62\xbf\xb6"
        "\x99\x76\xa9\x5d\x66\x97\xdb\x15\x76\xa5\x5d\x65\x57\xff\xc7\x5a\x97"
        "\xdb\x8d\x76\x93\xdd\x6c\xf7\xd8\xbd\x76\x9b\xdd\x6e\x77\xd8\x9d\x76"
        "\x97\xdd\xfd\x7b\x7c\x6d\x1f\x07\xec\x37\x36\xcb\x7e\x6b\x8f\xda\x1f"
        "\xed\x21\xfb\x9d\x3d\x6c\x8f\xdb\x23\xf6\x87\xdf\xe3\x6b\xfb\x3b\x6e"
        "\x7f\xb6\x27\xec\x2f\xf6\xa4\x3d\x65\x4f\xdb\x33\xf6\xac\xfd\xd5\x9e"
        "\xb3\xe7\x7f\xdf\xff\xb5\xbd\x9f\xb1\x57\xec\x55\xeb\xad\x20\x20\x49"
        "\x8a\x34\x05\x94\x83\x72\x52\x0c\xe5\xa2\x58\xba\x85\xe2\xe8\x56\xca"
        "\x4d\xb7\x51\x84\x6e\xa7\x78\xba\x83\xf2\xd0\x9d\x94\x97\xf2\x51\x7e"
        "\x2a\x40\x05\xa9\x10\x15\x26\x43\x48\x96\x88\x42\x2a\x42\x45\x29\x4a"
        "\x77\x51\x31\xba\x9b\x12\xa8\x38\x95\xa0\x92\xe4\xa8\x14\x25\xd2\x3d"
        "\x54\x9a\xee\xa5\x32\x74\x1f\x95\xa5\xfb\xa9\x1c\x3d\x40\xe5\xa9\x02"
        "\x55\xa4\x4a\xf4\x20\x55\xa6\x87\xa8\x0a\x3d\x4c\x55\xe9\x11\xaa\x46"
        "\xd5\xa9\x06\xd5\xa4\x47\xa9\x16\x3d\x46\xb5\xe9\x71\xaa\x43\x4f\x50"
        "\x5d\x7a\x92\xea\xd1\x53\x54\x9f\x9e\xa6\x06\xd4\x90\x1a\xd1\x33\xd4"
        "\x98\x9e\xa5\x26\xd4\x94\x9a\x51\x73\x6a\x41\x2d\xa9\x15\x3d\x47\xad"
        "\xe9\x79\x6a\x43\x6d\xa9\x1d\xbd\x40\xed\xe9\x45\xea\x40\x2f\x51\x12"
        "\xbd\x4c\x1d\xe9\x15\xea\x44\xaf\x52\x67\x7a\x8d\xba\xd0\xeb\xd4\x95"
        "\xde\xa0\x6e\xf4\x26\x75\xa7\xb7\xa8\x07\xbd\x4d\x3d\xa9\x17\x25\x53"
        "\x6f\xea\x43\xef\x50\x5f\xea\x47\xfd\x69\x00\x0d\xa4\x77\x69\x10\xbd"
        "\x47\x83\xe9\x7d\x1a\x42\x43\x69\x18\x7d\x40\xc3\xe9\x43\x1a\x41\x1f"
        "\xd1\x48\x1a\x45\xa3\xe9\x63\x1a\x43\x63\x69\x1c\x8d\xa7\x09\x34\x91"
        "\x52\xe8\x13\x9a\x44\x9f\xd2\x64\xfa\x8c\xa6\xd0\x54\x9a\x46\xd3\x29"
        "\x95\x66\x50\x1a\x7d\x4e\x33\x69\x16\xcd\xa6\x2f\x68\x0e\x7d\x49\x73"
        "\x69\x1e\xcd\xa7\x05\x94\x4e\x0b\x69\x11\x2d\xa6\x0c\xfa\x8a\x96\xd0"
        "\xd7\x94\x49\x4b\x69\x19\x2d\xa7\x15\xb4\x92\x56\xd1\x6a\x5a\x43\x6b"
        "\x69\x1d\xad\xa7\x0d\xb4\x91\x36\xd1\x66\xda\x42\x5b\x69\x1b\x6d\xa7"
        "\x1d\xb4\x93\x76\xd1\x6e\xda\x43\x7b\x69\x1f\xed\xa7\x03\xf4\x0d\x65"
        "\xd1\xb7\x74\x90\xfe\x44\x87\xe8\x3b\x3a\x4c\xdf\xd3\x11\xfa\x81\x8e"
        "\xd2\x8f\x74\x8c\x7e\xa2\xe3\xf4\x33\x9d\xa0\x5f\xe8\x24\x9d\xa2\xd3"
        "\x74\x86\xce\xd2\xaf\x74\x8e\xce\xd3\x05\xba\x48\x97\xe8\x37\xba\x4c"
        "\x57\xe8\x2a\x79\x12\x21\x84\x32\x54\xa1\x0e\x83\x30\x47\x98\x33\x8c"
        "\x09\x73\x85\xb1\xe1\x2d\x61\x5c\x78\x6b\x98\x3b\xbc\x2d\x8c\x84\xb7"
        "\x87\xf1\xe1\x1d\x61\x9e\xf0\xce\x30\x6f\x98\x2f\xcc\x1f\x16\x08\x0b"
        "\x86\x85\xc2\xc2\xa1\x09\x31\xb4\x21\x85\x61\x58\x24\x2c\x1a\x46\xc3"
        "\xbb\xc2\x62\xe1\xdd\x61\x42\x58\x3c\x2c\x11\x96\x0c\x5d\x58\x2a\x4c"
        "\x0c\xef\x09\x4b\x87\xf7\x86\x65\xc2\xfb\xc2\xb2\xe1\xfd\x61\xb9\xf0"
        "\x81\xb0\x7c\x58\x21\xac\x18\x56\x0a\x1f\x0c\x2b\x87\x0f\x85\x55\xc2"
        "\x87\xc3\xaa\xe1\x23\x61\xb5\xb0\x7a\x58\x23\xac\x19\x3e\x1a\xd6\x0a"
        "\x1f\x0b\x6b\x87\x8f\x87\x75\xc2\x27\xc2\x32\xe1\x93\x61\xbd\xf0\xa9"
        "\xb0\x7e\xf8\x74\xd8\x20\x6c\x18\x36\x0a\x9f\x09\x1b\x87\xcf\x86\x4d"
        "\xc2\xa6\x61\xb3\xb0\x79\xd8\x22\x6c\x19\xb6\x0a\x9f\x0b\x5b\x87\xcf"
        "\x87\x6d\xc2\xb6\x61\xbb\xf0\x85\xb0\x7d\xf8\x62\xd8\x21\x7c\x29\x4c"
        "\x0a\x5f\x0e\x3b\x86\xaf\xdc\xf0\x78\x72\xd8\x3b\xec\x13\xbe\x13\xbe"
        "\x13\x7a\xff\xb8\x9a\x1f\x5d\x10\x4d\x8f\x2e\x8c\x2e\x8a\x2e\x8e\x66"
        "\x44\xbf\x8a\x2e\x89\x7e\x1d\xcd\x8c\x2e\x8d\x2e\x8b\x2e\x8f\xae\x88"
        "\xae\x8c\xae\x8a\xae\x8e\xae\x89\xae\x8d\xae\x8b\xae\x8f\x6e\x88\x6e"
        "\x8c\x6e\x8a\x6e\x8e\x7a\x5f\x33\xa7\x70\xe0\xa4\x53\x4e\xbb\xc0\xe5"
        "\x70\x39\x5d\x8c\xcb\xe5\x62\xdd\x2d\x2e\xce\xdd\xea\x72\xbb\xdb\x5c"
        "\xc4\xdd\xee\xe2\xdd\x1d\x2e\x8f\xbb\xd3\xe5\x75\xf9\x5c\x7e\x57\xc0"
        "\x15\x74\x85\x5c\x61\x67\x1c\x3a\xeb\xc8\x85\xae\x88\x2b\xea\xa2\xee"
        "\x2e\x57\xcc\xdd\xed\x12\x5c\x71\x57\xc2\x95\x74\xce\x95\x72\x89\xae"
        "\xa5\x6b\xe5\x5a\xb9\xd6\xee\x79\xd7\xc6\xb5\x75\xed\xdc\x0b\xee\x05"
        "\xf7\xa2\x7b\xd1\xbd\xe4\x5e\x72\x2f\xbb\x8e\xee\x15\xd7\xc9\xbd\xea"
        "\x3a\xbb\xd7\x5c\x17\xf7\xba\x7b\xdd\xbd\xe1\xba\xb9\x37\x5d\x77\xf7"
        "\x96\xeb\xe1\xde\x76\x3d\x5d\x2f\x97\xec\x92\x5d\x1f\xd7\xc7\xf5\x75"
        "\x7d\x5d\x7f\xd7\xdf\x0d\x74\x03\xdd\x20\x37\xc8\x0d\x76\x83\xdd\x10"
        "\x37\xc4\x0d\x73\xc3\xdc\x70\x37\xdc\x8d\x70\x23\xdc\x48\x37\xd2\x8d"
        "\x76\xa3\xdd\x18\x37\xc6\x8d\x73\xe3\xdc\x04\x37\xc1\xa5\xb8\x14\x37"
        "\xc9\x4d\x72\x93\xdd\x64\x37\xc5\x4d\x71\xd3\xdc\x34\x97\xea\x52\x5d"
        "\x9a\x4b\x73\x33\xdd\x4c\x37\xdb\xcd\x76\x73\xdc\x1c\x37\xd7\xcd\x75"
        "\xf3\xdd\x7c\x97\xee\xd2\xdd\x22\xb7\xc8\x65\xb8\x0c\xb7\xc4\x2d\x71"
        "\x99\x2e\xd3\x2d\x73\xcb\xdc\x0a\xb7\xc2\xad\x72\xab\xdc\x1a\xb7\xc6"
        "\xad\x73\xeb\xdc\x06\xb7\xc1\x6d\x72\x9b\xdc\x16\xb7\xc5\x6d\x73\xdb"
        "\xdc\x0e\xb7\xc3\xed\x72\xbb\xdc\x1e\xb7\xc7\xed\x73\xfb\xdc\x01\x77"
        "\xc0\x65\xb9\x2c\x77\xd0\x1d\x74\x87\xdc\x21\x77\xd8\x7d\xef\x8e\xb8"
        "\x1f\xdc\x51\xf7\xa3\x3b\xe6\x7e\x72\xc7\xdd\xcf\xee\x84\xfb\xc5\x9d"
        "\x74\xa7\xdc\x69\x77\xc6\x9d\x75\xbf\xba\x73\xee\xbc\xbb\xe0\x2e\xba"
        "\x4b\xee\x37\x77\xd9\x5d\x71\x57\x9d\x77\x29\x91\x4f\x22\x93\x22\x9f"
        "\x46\x26\x47\x3e\x8b\x4c\x89\x4c\x8d\x4c\x8b\x4c\x8f\xa4\x46\x66\x44"
        "\xd2\x22\x9f\x47\x66\x46\x66\x45\x66\x47\xbe\x88\xcc\x89\x7c\x19\x99"
        "\x1b\x99\x17\x99\x1f\x59\x10\x49\x8f\x2c\x8c\x2c\x8a\x2c\x8e\x64\x44"
        "\xbe\x8a\x2c\x89\x7c\x1d\xc9\x8c\x2c\x8d\x2c\x8b\x2c\x8f\xac\x88\xac"
        "\x8c\x78\x5f\x68\x5b\xe8\x8b\xf8\xa2\x3e\xea\xef\xf2\xc5\xfc\xdd\x3e"
        "\xc1\x17\xf7\x25\x7c\x49\xef\x7c\x29\x9f\xe8\xef\xf1\xa5\xfd\xbd\xbe"
        "\x8c\xbf\xcf\x97\xf5\xf7\xfb\x72\xfe\x01\x5f\xde\x57\xf0\x15\x7d\x53"
        "\xdf\xcc\x37\xf7\x2d\x7c\x4b\xdf\xca\x3f\xe7\x5b\xfb\xe7\x7d\x1b\xdf"
        "\xd6\xb7\xf3\x2f\xf8\xf6\xfe\x45\xdf\xc1\xbf\xe4\x93\xfc\xcb\xbe\xa3"
        "\x7f\xc5\x77\xf2\xaf\xfa\xce\xfe\x35\xdf\xc5\xbf\xee\xbb\xfa\x37\x7c"
        "\x37\xff\xa6\xef\xee\xdf\xf2\x3d\xfc\xdb\xbe\xa7\xef\xe5\x93\x7d\x6f"
        "\xdf\xc7\xbf\xe3\xfb\xfa\x7e\xbe\xbf\x1f\xe0\x07\xfa\x77\xfd\x20\xff"
        "\x9e\x1f\xec\xdf\xf7\x43\xfc\x50\x3f\xcc\x7f\xe0\x87\xfb\x0f\xfd\x08"
        "\xff\x91\x1f\xe9\x47\xf9\xd1\xfe\x63\x3f\xc6\x8f\xf5\xe3\xfc\x78\x3f"
        "\xc1\x4f\xf4\x29\xfe\x13\x3f\xc9\x7f\xea\x27\xfb\xcf\xfc\x14\x3f\xd5"
        "\x4f\xf3\xd3\x7d\xaa\x9f\xe1\xd3\xfc\xe7\x7e\xa6\x9f\xe5\x67\xfb\x2f"
        "\xfc\x1c\xff\xa5\x9f\xeb\xe7\xf9\xf9\x7e\x81\x4f\xf7\x0b\xfd\x22\xbf"
        "\xd8\x67\xf8\xaf\xfc\x12\xff\xb5\xcf\xf4\x4b\xfd\x32\xbf\xdc\xaf\xf0"
        "\x2b\xfd\x2a\xbf\xda\xaf\xf1\x6b\xfd\x3a\xbf\xde\x6f\xf0\x1b\xfd\x26"
        "\xbf\xd9\x6f\xf1\x5b\xfd\x36\xbf\xdd\xef\xf0\x3b\xfd\x2e\xbf\xdb\xef"
        "\xf1\x7b\xfd\x3e\xbf\xdf\x1f\xf0\xdf\xf8\x2c\xff\xad\x3f\xe8\xff\xe4"
        "\x0f\xf9\xef\xfc\x61\xff\xbd\x3f\xe2\x7f\xf0\x47\xfd\x8f\xfe\x98\xff"
        "\xc9\x1f\xf7\x3f\xfb\x13\xfe\x17\x7f\xd2\x9f\xf2\xa7\xfd\x19\x7f\xd6"
        "\xff\xea\xcf\xf9\xf3\xfe\x82\xbf\xe8\x2f\xf9\xdf\xfc\x65\x7f\xc5\x5f"
        "\xe5\xbf\x59\x63\x8c\x31\xc6\x18\xfb\x6f\x51\x37\x38\xde\xfb\x1f\x7c"
        "\x4e\xfe\x65\x5c\xd3\x47\x08\x71\xeb\xf6\x02\x47\xfe\xbe\xe6\x86\xbc"
        "\x7f\x9e\xf7\x93\xfb\x3a\x46\x84\x10\x2f\xf7\xea\xda\xf0\xaf\xa3\x61"
        "\xc3\xe4\xe4\xe4\xbf\x9c\x9b\xa9\x44\x50\x74\x9e\x10\x22\x72\x3d\x3f"
        "\x87\xb8\x1e\x2f\x15\xed\xc4\x8b\x22\x49\xb4\x15\xa5\xff\xe1\xfa\xfa"
        "\xc9\x8a\x40\x37\xa8\x1f\xbd\x5f\x88\xd8\xff\x94\x13\x23\xfe\x1c\xc7"
        "\xfc\x4d\xfd\x7b\xff\x8b\xfa\x4d\x17\xde\xb0\xfe\x3c\x21\x12\x8a\x5e"
        "\xcf\xc9\x25\xae\xc7\xd7\xeb\x97\xf9\x2f\xea\xef\x6e\x7f\x83\xfa\xb9"
        "\xbe\x4b\x11\xa2\xcd\x7f\xca\x89\x13\xd7\xe3\xeb\xf5\x13\xc5\xf3\xe2"
        "\x15\x91\xf4\x37\x67\x32\xc6\x18\x63\x8c\x31\xc6\x18\x63\x7f\xd6\x4f"
        "\x5e\xea\x76\xa3\xfb\xdb\x6b\xf7\xe7\x05\xf5\xf5\x9c\x9c\xe2\x7a\x7c"
        "\xa3\xfb\x73\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\xdd\x7c\xaf\xbd\xd9"
        "\xfd\xa5\xe7\x92\x92\xda\x76\xe6\x09\x4f\x78\xc2\x93\xff\x98\xdc\xec"
        "\xdf\x4c\x8c\x31\xc6\x18\x63\x8c\xb1\x7f\xb5\xeb\x17\xfd\x37\x7b\x25"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x58\xf6\xf5\xef\xf8\x77\x62\x37\x7b\x8f\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\xd8\xcd\xf6\xbf\x02\x00"
        "\x00\xff\xff\x79\xb2\x68\x10",
        5345);
    syz_mount_image(/*fs=*/0x200000001500, /*dir=*/0x200000001540,
                    /*flags=MS_RELATIME*/ 0x200000, /*opts=*/0x200000000200,
                    /*chdir=*/1, /*size=*/0x14e1, /*img=*/0x200000002ac0);
    break;
  case 1:
    //  openat arguments: [
    //    fd: fd_dir (resource)
    //    file: ptr[in, buffer] {
    //      buffer: {2e 00} (length 0x2)
    //    }
    //    flags: open_flags = 0x0 (4 bytes)
    //    mode: open_mode = 0x0 (2 bytes)
    //  ]
    //  returns fd
    memcpy((void*)0x200000000240, ".\000", 2);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000240ul,
                  /*flags=*/0, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    //  ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY arguments: [
    //    fd: fd_dir (resource)
    //    cmd: const = 0x8004587d (4 bytes)
    //    arg: ptr[inout, fscrypt_remove_key_arg] {
    //      fscrypt_remove_key_arg {
    //        key_spec: union fscrypt_key_specifier {
    //          desc: fscrypt_key_specifier__by_descriptor {
    //            type: const = 0x1 (4 bytes)
    //            reserved: const = 0x0 (4 bytes)
    //            descriptor: union fscrypt_key_descriptor {
    //              desc2: buffer: {e3 55 a7 6a 11 a1 be 18} (length 0x8)
    //            }
    //            reserved2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00
    //            00 00 00 00 00 00 00 00 00 00} (length 0x18)
    //          }
    //        }
    //        removal_status_flags: int32 = 0x0 (4 bytes)
    //        reserved: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    //        00 00 00 00} (length 0x14)
    //      }
    //    }
    //  ]
    *(uint32_t*)0x200000000080 = 1;
    *(uint32_t*)0x200000000084 = 0;
    memcpy((void*)0x200000000088, "\343U\247j\021\241\276\030", 8);
    memset((void*)0x200000000090, 0, 24);
    memset((void*)0x2000000000ac, 0, 20);
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x200000000080ul);
    break;
  case 3:
    //  fchmodat arguments: [
    //    dirfd: fd_dir (resource)
    //    file: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
    //    }
    //    mode: open_mode = 0x100 (8 bytes)
    //  ]
    memcpy((void*)0x200000000280, "./file1\000", 8);
    syscall(__NR_fchmodat, /*dirfd=*/r[0], /*file=*/0x200000000280ul,
            /*mode=S_IRUSR*/ 0x100ul);
    break;
  }
}
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;
  use_temporary_dir();
  loop();
  return 0;
}