// https://syzkaller.appspot.com/bug?id=96bf91ef68d5122d762dde30c8a3b919b6a9fd28
// 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 __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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

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

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

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

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

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

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

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

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

static void setup_sysctl()
{
  int cad_pid = fork();
  if (cad_pid < 0)
    exit(1);
  if (cad_pid == 0) {
    for (;;)
      sleep(100);
  }
  char tmppid[32];
  snprintf(tmppid, sizeof(tmppid), "%d", cad_pid);
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", tmppid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data)) {
    }
  }
  kill(cad_pid, SIGKILL);
  while (waitpid(cad_pid, NULL, 0) != cad_pid)
    ;
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

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

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x200000 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              resgid: fs_opt["resgid", fmt[hex, gid]] {
  //                name: buffer: {72 65 73 67 69 64} (length 0x6)
  //                eq: const = 0x3d (1 bytes)
  //                val: gid (resource)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              bsddf: buffer: {62 73 64 64 66} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpquota: buffer: {67 72 70 71 75 6f 74 61} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nojournal_checksum: buffer: {6e 6f 6a 6f 75 72 6e 61 6c 5f 63
  //              68 65 63 6b 73 75 6d} (length 0x12)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              debug_want_extra_isize: fs_opt["debug_want_extra_isize",
  //              fmt[hex, int32]] {
  //                name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72
  //                61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1
  //                bytes) val: int32 = 0x80 (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              delalloc: buffer: {64 65 6c 61 6c 6c 6f 63} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nogrpid: buffer: {6e 6f 67 72 70 69 64} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              noauto_da_alloc: buffer: {6e 6f 61 75 74 6f 5f 64 61 5f 61 6c
  //              6c 6f 63} (length 0xf)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              stripe: fs_opt["stripe", fmt[hex, int32]] {
  //                name: buffer: {73 74 72 69 70 65} (length 0x6)
  //                eq: const = 0x3d (1 bytes)
  //                val: int32 = 0x2 (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x3 (1 bytes)
  //    size: len = 0x572 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x572)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000040, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x200000000140, "./file1\000", 8));
  NONFAILING(memcpy((void*)0x200000000440, "resgid", 6));
  NONFAILING(*(uint8_t*)0x200000000446 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000447, "0x%016llx", (long long)0xee00));
  NONFAILING(*(uint8_t*)0x200000000459 = 0x2c);
  NONFAILING(memcpy((void*)0x20000000045a, "bsddf", 5));
  NONFAILING(*(uint8_t*)0x20000000045f = 0x2c);
  NONFAILING(memcpy((void*)0x200000000460, "grpquota", 8));
  NONFAILING(*(uint8_t*)0x200000000468 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000469, "nojournal_checksum", 18));
  NONFAILING(*(uint8_t*)0x20000000047b = 0x2c);
  NONFAILING(memcpy((void*)0x20000000047c, "debug_want_extra_isize", 22));
  NONFAILING(*(uint8_t*)0x200000000492 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000493, "0x%016llx", (long long)0x80));
  NONFAILING(*(uint8_t*)0x2000000004a5 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000004a6, "delalloc", 8));
  NONFAILING(*(uint8_t*)0x2000000004ae = 0x2c);
  NONFAILING(memcpy((void*)0x2000000004af, "nogrpid", 7));
  NONFAILING(*(uint8_t*)0x2000000004b6 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000004b7, "noauto_da_alloc", 15));
  NONFAILING(*(uint8_t*)0x2000000004c6 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000004c7, "stripe", 6));
  NONFAILING(*(uint8_t*)0x2000000004cd = 0x3d);
  NONFAILING(sprintf((char*)0x2000000004ce, "0x%016llx", (long long)2));
  NONFAILING(*(uint8_t*)0x2000000004e0 = 0x2c);
  NONFAILING(*(uint8_t*)0x2000000004e1 = 0);
  NONFAILING(memcpy(
      (void*)0x2000000006c0,
      "\x78\x9c\xec\xdd\xcf\x6b\x1c\x55\x1c\x00\xf0\xef\x6c\x92\xfe\xd6\xa6\x50"
      "\x8a\x7a\x90\x40\x0f\x56\x6a\x37\x4d\xe2\x8f\x0a\x42\xeb\x51\xb4\x58\xd0"
      "\x7b\x5d\x92\x69\x28\xd9\x74\x4b\x76\x53\x9a\x58\x68\x7b\xb0\x20\x5e\xa4"
      "\x08\x22\x16\xc4\x3f\xc0\xbb\xc7\xe2\x1f\xa0\x7f\x45\x41\x0b\x45\x4a\xd0"
      "\x83\x97\xc8\x6c\x66\xdb\x6d\x92\xcd\x26\xe9\xd6\x6c\x9d\xcf\x07\xa6\x7d"
      "\x6f\x66\xb2\x6f\xde\xbe\xf9\xbe\xfd\xce\xce\x2e\x1b\x40\x61\x8d\x64\xff"
      "\x94\x22\x5e\x8e\x88\xaf\x93\x88\x83\x6d\xdb\x06\x23\xdf\x38\xb2\xb2\xdf"
      "\xd2\xc3\x6b\x93\xd9\x92\xc4\xf2\xf2\x27\x7f\x26\x91\xe4\xeb\x5a\xfb\x27"
      "\xf9\xff\xfb\xf3\xca\x4b\x11\xf1\xcb\x17\x11\xc7\x4b\x6b\xdb\xad\x2f\x2c"
      "\xce\x54\xaa\xd5\x74\x2e\xaf\x8f\x36\x66\x2f\x8f\xd6\x17\x16\x4f\x5c\x9c"
      "\xad\x4c\xa7\xd3\xe9\xa5\xf1\x89\x89\x53\x6f\x4d\x8c\xbf\xfb\xce\xdb\x3d"
      "\xeb\xeb\xeb\xe7\xfe\xfe\xee\xe3\xbb\x1f\x9c\xfa\xea\xe8\xd2\xb7\x3f\xdd"
      "\x3f\x74\x3b\x89\x33\x71\x20\xdf\xd6\xde\x8f\xa7\x70\xa3\xbd\x32\x12\x23"
      "\xf9\x73\x32\x14\x67\x56\xed\x38\xd6\x83\xc6\xfa\x49\xb2\xd3\x07\xc0\xb6"
      "\x0c\xe4\x71\x3e\x14\xd9\x1c\x70\x30\x06\xf2\xa8\x07\xfe\xff\xae\x47\xc4"
      "\x32\x50\x50\x89\xf8\x87\x82\x6a\xe5\x01\xad\x6b\xfb\x1e\x5d\x07\x3f\x37"
      "\x1e\xbc\xbf\x72\x01\xb4\xb6\xff\x83\x2b\xef\x8d\xc4\x9e\xe6\xb5\xd1\xbe"
      "\xa5\xe4\x89\x2b\xa3\xec\x7a\x77\xb8\x07\xed\x67\x6d\xfc\xfc\xc7\x9d\xdb"
      "\xd9\x12\x5d\xde\x87\xb8\xde\x83\xf6\x00\x5a\x6e\xdc\x8c\x88\x93\x83\x83"
      "\x6b\xe7\xbf\x24\x9f\xff\xb6\xef\x64\xf3\xcd\xe3\x8d\xad\x6e\xa3\x68\xaf"
      "\x3f\xb0\x93\xee\x66\xf9\xcf\x1b\xeb\xe5\x3f\xa5\x47\xf9\x4f\xac\x93\xff"
      "\xec\x5f\x27\x76\xb7\xa3\x7b\xfc\x97\xee\xf7\xa0\x99\x8e\xb2\xfc\xef\xbd"
      "\x75\xf3\xdf\x47\x53\xd7\xf0\x40\x5e\x7b\xa1\x99\xf3\x0d\x25\x17\x2e\x56"
      "\xd3\x93\x11\xf1\x62\x44\x1c\x8b\xa1\xdd\x59\x7d\xa3\xfb\x39\xa7\x96\xee"
      "\x2d\x77\xda\xd6\x9e\xff\x65\x4b\xd6\x7e\x2b\x17\xcc\x8f\xe3\xfe\xe0\xee"
      "\x27\xff\x66\xaa\xd2\xa8\x3c\x4d\x9f\xdb\x3d\xb8\x19\xf1\xca\xe3\xfc\x37"
      "\x89\x35\xf3\xff\x9e\x66\xae\xbb\x7a\xfc\xb3\xe7\xe3\x5c\x56\xf8\xf5\xcb"
      "\xae\x6d\x1c\x49\xef\xbc\xda\x69\x5b\xf7\xfe\xb7\xeb\x7d\x06\xbc\xfc\x63"
      "\xc4\x6b\xeb\x8e\xff\xe3\x3b\x5a\xc9\xc6\xf7\x27\x47\x9b\xe7\xc3\x68\xeb"
      "\xac\x58\xeb\xaf\x5b\x47\x7e\xeb\xd4\xfe\xd6\xfa\xdf\x7b\xd9\xf8\xef\xdb"
      "\xb8\xff\xc3\x49\xfb\xfd\xda\xfa\xd6\xdb\xf8\x61\xcf\x3f\x69\xa7\x6d\xdb"
      "\x3d\xff\x77\x25\x9f\x36\xcb\xbb\xf2\x75\x57\x2b\x8d\xc6\xdc\x58\xc4\xae"
      "\xe4\xa3\xb5\xeb\xc7\x1f\xff\x6d\xab\xde\xda\x3f\xeb\xff\xb1\xa3\x1b\xcf"
      "\x7f\xeb\x9d\xff\x7b\x23\xe2\xb3\x4d\xf6\xff\xd6\xe1\x5b\x1d\x77\xed\x87"
      "\xf1\x9f\xda\xd2\xf8\x6f\xbd\x70\xef\xc3\xcf\xbf\xef\xd4\xfe\xe6\xc6\xff"
      "\xcd\x66\xe9\x58\xbe\x66\x33\xf3\xdf\x66\x0f\xf0\x69\x9e\x3b\x00\x00\x00"
      "\x00\x00\x00\xe8\x37\xa5\x88\x38\x10\x49\xa9\xfc\xa8\x5c\x2a\x95\xcb\x2b"
      "\x9f\xef\x38\x1c\xfb\x4a\xd5\x5a\xbd\x71\xfc\x42\x6d\xfe\xd2\x54\x34\xbf"
      "\x2b\x3b\x1c\x43\xa5\xd6\x9d\xee\x83\x6d\x9f\x87\x18\xcb\x3f\x0f\xdb\xaa"
      "\x8f\xaf\xaa\x4f\x44\xc4\xa1\x88\xf8\x66\x60\x6f\xb3\x5e\x9e\xac\x55\xa7"
      "\x76\xba\xf3\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\xd0\x27\xf6\x77\xf8\xfe\x7f\xe6\xf7\x81\x9d\x3e\x3a\xe0\x99\xf3\x93\xdf"
      "\x50\x5c\x5d\xe3\xbf\x17\xbf\xf4\x04\xf4\x25\xaf\xff\x50\x5c\xe2\x1f\x8a"
      "\x4b\xfc\x43\x71\x89\x7f\x28\x2e\xf1\x0f\xc5\x25\xfe\xa1\xb8\xc4\x3f\x14"
      "\x97\xf8\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x80\x9e\x3a\x77\xf6\x6c\xb6\x2c\x2f\x3d\xbc\x36\x99"
      "\xd5\xa7\xae\x2c\xcc\xcf\xd4\xae\x9c\x98\x4a\xeb\x33\xe5\xd9\xf9\xc9\xf2"
      "\x64\x6d\xee\x72\x79\xba\x56\x9b\xae\xa6\xe5\xc9\xda\x6c\xb7\xc7\xab\xd6"
      "\x6a\x97\xc7\xc6\x63\xfe\xea\x68\x23\xad\x37\x46\xeb\x0b\x8b\xe7\x67\x6b"
      "\xf3\x97\x1a\xe7\x2f\xce\x56\xa6\xd3\xf3\xe9\xd0\x7f\xd2\x2b\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\xbe\xd4\x17\x16\x67"
      "\x2a\xd5\x6a\x3a\xa7\xd0\xb1\x70\x3a\xfa\xe2\x30\xb6\x5d\x48\xba\x8d\xf2"
      "\xe9\xfc\x64\xd8\xd2\x23\x47\x5e\x18\xdc\xf9\x0e\x2a\x3c\x83\xc2\x0e\x4f"
      "\x4c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd0\xe6\xdf\x00"
      "\x00\x00\xff\xff\xc9\xcb\x34\xb3",
      1394));
  NONFAILING(syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000140,
                             /*flags=MS_RELATIME*/ 0x200000,
                             /*opts=*/0x200000000440, /*chdir=*/3,
                             /*size=*/0x572, /*img=*/0x2000000006c0));
  //  setxattr$trusted_overlay_upper arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 2f 66 69 6c 65 30 00} (length 0xe)
  //    }
  //    name: nil
  //    val: nil
  //    size: len = 0x835 (8 bytes)
  //    flags: setxattr_flags = 0x0 (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000000380, "./file0/file0\000", 14));
  syscall(__NR_setxattr, /*path=*/0x200000000380ul, /*name=*/0ul, /*val=*/0ul,
          /*size=*/0x835ul, /*flags=*/0ul);
  //  quotactl$Q_QUOTAON arguments: [
  //    cmd: quota_cmd_quota_on = 0xffffffff80000201 (8 bytes)
  //    special: ptr[in, blockdev_filename] {
  //      union blockdev_filename {
  //        loop: loop_filename {
  //          prefix: buffer: {2f 64 65 76 2f 6c 6f 6f 70} (length 0x9)
  //          id: proc = 0x0 (1 bytes)
  //          z: const = 0x0 (1 bytes)
  //        }
  //      }
  //    }
  //    id: uid (resource)
  //    addr: nil
  //  ]
  NONFAILING(memcpy((void*)0x200000000180, "/dev/loop", 9));
  NONFAILING(*(uint8_t*)0x200000000189 = 0x30);
  NONFAILING(*(uint8_t*)0x20000000018a = 0);
  syscall(__NR_quotactl, /*cmd=Q_QUOTAON_GRP*/ 0xffffffff80000201ul,
          /*special=*/0x200000000180ul, /*id=*/0, /*addr=*/0ul);
  //  mprotect arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x3000 (8 bytes)
  //    prot: mmap_prot = 0x9 (8 bytes)
  //  ]
  syscall(__NR_mprotect, /*addr=*/0x200000000000ul, /*len=*/0x3000ul,
          /*prot=PROT_SEM|PROT_READ*/ 9ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {68 75 67 65 74 6c 62 2e 31 47 42 2e 75 73 61 67 65 5f 69 6e
  //      5f 62 79 74 65 73 00} (length 0x1b)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(
      memcpy((void*)0x200000000180, "hugetlb.1GB.usage_in_bytes\000", 27));
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x200000000180ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (8 bytes)
  //    prot: mmap_prot = 0xa (8 bytes)
  //    flags: mmap_flags = 0x28011 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000ul,
          /*prot=PROT_SEM|PROT_WRITE*/ 0xaul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[0], /*offset=*/0ul);
  //  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 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    chdir: int8 = 0x2 (1 bytes)
  //    size: len = 0x1509 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x1509)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000100, "exfat\000", 6));
  NONFAILING(memcpy((void*)0x200000000000, "./file0\000", 8));
  NONFAILING(memcpy(
      (void*)0x200000001c40,
      "\x78\x9c\xec\xdc\x0b\xb4\x8e\xd5\xd6\x38\xf0\x39\xd7\x5a\x0f\x9b\xc4\x9b"
      "\xe4\xbe\xe6\x9a\x0f\x6f\x72\x59\x24\x49\x2e\x09\x89\x24\x49\x8e\x24\xb9"
      "\x25\x24\x49\x92\x84\xc4\x26\xb7\x24\x24\x21\xf7\x24\xf7\x90\xdc\x42\x72"
      "\xbf\xdf\x72\x4f\x92\x23\x49\x92\x90\x90\x64\xfd\x87\x4e\xfd\x9d\x73\x3a"
      "\xdf\xe9\x7c\xdf\x39\xe7\xf3\x8d\xb3\xe7\x6f\x8c\x67\xec\x35\xf7\xfb\xce"
      "\xf9\xce\x67\xcf\xbd\xf7\xfb\x3c\x6b\x8c\xbd\xbf\xee\x30\xa8\x4a\xbd\xaa"
      "\x95\xea\x30\x33\xfc\x53\xf0\x4f\x1f\x52\x01\x20\x05\x00\xfa\x02\x40\x16"
      "\x00\x88\x00\xa0\x64\xd6\x92\x59\x01\x87\x42\x06\x8d\xa9\xff\xdc\x8b\x88"
      "\x7f\xad\x07\xa6\x5e\xe9\x0e\xc4\x95\x24\xf3\x4f\xdb\x64\xfe\x69\x9b\xcc"
      "\x3f\x6d\x93\xf9\xa7\x6d\x32\xff\xb4\x4d\xe6\x9f\xb6\xc9\xfc\xd3\x36\x99"
      "\xbf\x10\x69\xd9\xd6\x69\xb9\xae\x91\x23\xed\x1e\xff\x7b\xfb\xff\x20\xfb"
      "\xff\xff\xe7\xc8\xfb\xff\x7f\x90\xc3\x45\x47\x7f\xbe\xbe\xe8\x75\x1d\xff"
      "\x1b\x29\x32\xff\xb4\x4d\xe6\x9f\xb6\xc9\xfc\xd3\x36\x99\x7f\xda\x26\xf3"
      "\x4f\xdb\x64\xfe\xff\xe1\x22\x80\x8a\x7f\xe7\x61\x99\x7f\xda\x26\xf3\x17"
      "\x22\x2d\xbb\xd2\xfb\xcf\x72\x5c\xd9\xe3\x4a\x7f\xff\x09\x21\x84\x10\x42"
      "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
      "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
      "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
      "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
      "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42"
      "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
      "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x48\x1b\xce"
      "\x85\xcb\x0c\x00\xfc\xba\xbe\xd2\x7d\x09\x21\x84\x10\x42\x08\x21\x84\x10"
      "\xe2\x5f\x27\xa4\xff\xf3\x28\xdd\x95\x6b\x44\x08\x21\x84\x10\x42\x08\x21"
      "\x84\x10\xff\x46\x08\x0a\x34\x18\x88\x20\x1d\xa4\x87\x14\xc8\x00\x19\xe1"
      "\x2a\xc8\x04\x57\x43\x66\xc8\x02\x09\xb8\x06\xb2\xc2\xb5\x90\x0d\xae\x83"
      "\xec\x90\x03\x72\x42\x2e\xc8\x0d\x79\x20\x2f\x58\x20\x70\xc0\x10\x43\x3e"
      "\xc8\x0f\x49\xb8\x1e\x0a\xc0\x0d\x50\x10\x0a\x41\x61\x28\x02\x1e\x8a\x42"
      "\x31\xb8\x11\x8a\xc3\x4d\x50\x02\x6e\x86\x92\x70\x0b\x94\x82\x5b\xa1\x34"
      "\x94\x81\xb2\x50\x0e\x6e\x83\xf2\x70\x3b\x54\x80\x8a\x50\x09\xee\x80\xca"
      "\x70\x27\x54\x81\xaa\x70\x17\x54\x83\xbb\xa1\x3a\xdc\x03\x35\xe0\x5e\xa8"
      "\x09\xf7\x41\x2d\xb8\x1f\x6a\xc3\x1f\xa0\x0e\x3c\x00\x75\xe1\x41\xa8\x07"
      "\x0f\x41\x7d\x78\x18\x1a\x40\x43\x68\x04\x8d\xa1\xc9\xff\x28\xff\x79\xe8"
      "\x02\x2f\x40\x57\xe8\x06\xa9\xd0\x1d\x7a\xc0\x8b\xd0\x13\x7a\x41\x6f\xe8"
      "\x03\x7d\xe1\x25\xe8\x07\x2f\x43\x7f\x78\x05\x06\xc0\x40\x18\x04\xaf\xc2"
      "\x60\x78\x0d\x86\xc0\xeb\x30\x14\x86\xc1\x70\x78\x03\x46\xc0\x48\x18\x05"
      "\xa3\x61\x0c\x8c\x85\x71\xf0\x26\x8c\x87\xb7\x60\x02\xbc\x0d\x13\x61\x12"
      "\x4c\x86\x29\x30\x15\xa6\xc1\x74\x78\x07\x66\xc0\x4c\x98\x05\xef\xc2\x6c"
      "\x78\x0f\xe6\xc0\x5c\x98\x07\xf3\x61\x01\xbc\x0f\x0b\x61\x11\x2c\x86\x0f"
      "\x60\x09\x7c\x08\x4b\x61\x19\x2c\x87\x15\xb0\x12\x56\xc1\x6a\x58\x03\x6b"
      "\x61\x1d\xac\x87\x0d\xb0\x11\x36\xc1\x66\xd8\x02\x5b\xe1\x23\xd8\x06\xdb"
      "\x61\x07\xec\x84\x5d\xb0\x1b\xf6\xc0\xc7\xb0\x17\x3e\x81\x7d\xf0\x29\xec"
      "\x87\xcf\xfe\x3a\x3f\xcb\xdf\xcf\x3f\xfb\x57\xf9\x1d\x11\x10\x50\xa1\x42"
      "\x83\x06\xd3\x61\x3a\x4c\xc1\x14\xcc\x88\x19\x31\x13\x66\xc2\xcc\x98\x19"
      "\x13\x98\xc0\xac\x98\x15\xb3\x61\x36\xcc\x8e\xd9\x31\x27\xe6\xc4\xdc\x98"
      "\x1b\xf3\x62\x5e\x24\x24\x64\x64\xcc\x87\xf9\x30\x89\x49\x2c\x80\x05\xb0"
      "\x20\x16\xc4\xc2\x58\x18\x3d\x7a\x2c\x86\xc5\xb0\x38\xde\x84\x25\xb0\x04"
      "\x96\xc4\x92\x58\x0a\x4b\x61\x69\x2c\x83\x65\xb0\x1c\x96\xc3\xf2\x58\x1e"
      "\x2b\x60\x05\xac\x84\x95\xb0\x32\x56\xc6\x2a\x58\x05\xef\xc2\xbb\xf0\x6e"
      "\xac\x8e\xd5\xb1\x06\xd6\xc0\x9a\x58\x13\x6b\x61\x2d\xac\x8d\xb5\xb1\x0e"
      "\xd6\xc1\xba\x58\x17\xeb\x61\x3d\xac\x8f\xf5\xb1\x01\x36\xc0\x46\xd8\x08"
      "\x9b\x60\x13\x6c\x8a\x4d\xb1\x19\x36\xc3\x16\xd8\x02\x5b\x62\x4b\x6c\x85"
      "\xad\xb0\x35\xb6\xc6\x36\xd8\x06\xdb\x62\x5b\x6c\x87\xed\xb0\x3d\xb6\xc7"
      "\x0e\xd8\x01\x3b\x62\x27\xec\x84\xcf\xe3\xf3\xf8\x02\xbe\x80\xdd\xb0\xb2"
      "\xea\x8e\x3d\xb0\x07\xf6\xc4\x9e\xd8\x1b\xfb\x60\x1f\x7c\x09\xfb\xe1\xcb"
      "\xf8\x32\xbe\x82\x03\x70\x20\x0e\xc2\x57\xf1\x55\x7c\x0d\x87\xe0\x19\x1c"
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      "\x38\x1e\xc7\xe3\x04\x9c\x80\x13\x71\x12\x4e\xc2\x29\x38\x15\xa7\xe1\x74"
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      "\x71\x01\x2e\xc0\x85\xb8\x08\x17\xe3\x62\x5c\x82\x67\x71\x29\x2e\xc3\xe5"
      "\xb8\x02\x57\xe2\x2a\x5c\x89\x6b\x70\x2d\xae\xc1\xf5\xb8\x01\xd7\xe3\x26"
      "\xdc\x84\x5b\x70\x0b\x7e\x84\x1f\xe1\x76\xdc\x8e\x3b\x71\x27\xee\xc6\xdd"
      "\xf8\x31\x7e\x8c\x9f\xe0\x27\x38\x00\xf7\xe3\x7e\x3c\x80\x07\xf0\x20\x1e"
      "\xc4\x43\x78\x08\x0f\xe3\x61\x3c\x82\x47\xf0\x28\x1e\xc5\x63\x78\x0c\x8f"
      "\xe3\x71\x3c\x81\x27\xf1\x14\x9e\xc4\xd3\x78\x1a\xcf\xe0\x59\x3c\x87\xe7"
      "\xf0\x3c\x9e\xc7\x0b\xf8\x6c\xee\x2f\xeb\xee\x2e\xb4\x6e\x00\xa8\x4b\x8c"
      "\x32\x2a\x9d\x4a\xa7\x52\x54\x8a\xca\xa8\x32\xaa\x4c\x2a\x93\xca\xac\x32"
      "\xab\x84\x4a\xa8\xac\x2a\xab\xca\xa6\xb2\xa9\xec\x2a\xbb\xca\xa9\x72\xaa"
      "\xdc\x2a\xb7\xca\xab\xf2\x2a\x52\xa4\x58\xc5\x2a\x9f\xca\xa7\x92\x2a\xa9"
      "\x0a\xa8\x02\xaa\xa0\x2a\xa8\x0a\xab\xc2\xca\x2b\xaf\x8a\xa9\x62\xaa\xb8"
      "\x2a\xae\x4a\xa8\x12\xaa\xa4\xba\x45\x95\x52\xb7\xaa\xd2\xaa\x8c\x6a\xee"
      "\xcb\xa9\x72\xaa\xbc\x6a\xe1\x2b\xa8\x8a\xaa\x92\xaa\xa4\x2a\xab\x3b\x55"
      "\x15\x55\x55\x55\x55\xd5\x54\x35\x55\x5d\x55\x57\x35\x54\x0d\x55\x53\xd5"
      "\x54\xb5\xd4\xfd\xaa\xb6\xea\x8e\xbd\xf1\x01\x75\x69\x32\xf5\xd4\x40\xac"
      "\xaf\x06\x61\x03\xd5\x50\x35\x52\x8d\xd5\x6b\xf8\x88\x6a\xaa\x86\x60\x33"
      "\xd5\x5c\xb5\x50\x8f\xa9\x61\x38\x14\x5b\xa9\xa6\xbe\xb5\x7a\x52\xb5\x51"
      "\xa3\xb0\xad\x7a\x5a\x8d\xc6\x67\x54\x7b\x35\x16\x3b\xa8\xe7\x54\x47\xd5"
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      "\xa9\x57\xd5\x7c\x7c\x4d\x0d\x51\xaf\xab\xa1\x6a\x98\x1a\xae\xde\x50\x23"
      "\xd4\x48\x35\x4a\x8d\x56\x63\xd4\x58\x35\x4e\xbd\xa9\xc6\xab\xb7\xd4\x04"
      "\xf5\xb6\x9a\xa8\x26\xa9\xc9\x6a\x8a\x9a\xaa\xa6\xa9\xe9\xea\x1d\x35\x43"
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      "\xa4\x36\xab\x2d\x6a\xab\xfa\x48\x6d\x53\xdb\xd5\x0e\xb5\x53\xed\x52\xbb"
      "\xd5\x1e\xf5\xb1\xda\xab\x3e\x51\xfb\xd4\xa7\x6a\xbf\xfa\x4c\x1d\x50\x7f"
      "\x54\x07\xd5\xe7\xea\x90\xfa\x42\x1d\x56\x5f\xaa\x23\xea\x2b\x75\x54\x7d"
      "\xad\x8e\xa9\x6f\xd4\x71\xf5\xad\x3a\xa1\x4e\xaa\x53\xea\x3b\x75\x5a\x7d"
      "\xaf\xce\xa8\xb3\xea\x9c\xfa\x41\x9d\x57\x3f\xaa\x0b\xea\x27\x75\x51\x05"
      "\x05\x1a\xb5\xd2\x5a\x1b\x1d\xe9\x74\x3a\xbd\x4e\xd1\x19\x74\x46\x7d\x95"
      "\x06\x7d\xb5\xce\xac\xb3\xe8\x84\xbe\x46\x67\xd5\xd7\xea\x6c\xfa\x3a\x9d"
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      "\x5d\x49\xdf\xa1\x2b\xeb\x3b\x75\x15\x5d\x55\xdf\xa5\xab\xe9\xbb\x75\x75"
      "\x7d\x8f\xae\xa1\xef\xd5\x35\xf5\x7d\xba\x96\xbe\x5f\xd7\xd6\x7f\xd0\x75"
      "\xf4\x03\xba\xae\x7e\x50\xd7\xd3\x0f\xe9\xfa\xfa\x61\xdd\x40\x37\xd4\x8d"
      "\x74\x63\xdd\x44\x3f\xa2\x9b\xea\x47\x75\x33\xdd\x5c\xb7\xd0\x8f\xe9\x96"
      "\xfa\x71\xdd\x4a\x3f\xa1\x5b\xeb\x27\x75\x1b\xfd\x94\x6e\xab\x9f\xd6\xed"
      "\xf4\x33\xba\xbd\x7e\x56\x77\xd0\xcf\xe9\x8e\xba\x93\xee\xac\x7f\xd2\x17"
      "\x75\xd0\x5d\x75\x37\x9d\xaa\xbb\xeb\x1e\xfa\x45\xdd\x53\xf7\xd2\xbd\x75"
      "\x1f\xdd\x57\xbf\xa4\xfb\xe9\x97\x75\x7f\xfd\x8a\x1e\xa0\x07\xea\x41\xfa"
      "\x55\x3d\x58\xbf\xa6\x87\xe8\xd7\xf5\x50\x3d\x4c\x0f\xd7\x6f\xe8\x11\x7a"
      "\xa4\x1e\xa5\x47\xeb\x31\x7a\xac\x1e\xa7\xdf\xd4\xe3\xf5\x5b\x7a\x82\x7e"
      "\x5b\x4f\xd4\x93\xf4\x64\x3d\x45\x4f\xd5\xd3\x74\xef\x5f\x2a\xcd\xfa\x07"
      "\xf2\xdf\xfa\x1b\xf9\xfd\x7f\x7e\xf5\x2d\x7a\xab\xfe\x48\x6f\xd3\xdb\xf5"
      "\x0e\xbd\x53\xef\xd2\xbb\xf5\x1e\xbd\x47\xef\xd5\x7b\xf5\x3e\xbd\x4f\xef"
      "\xd7\xfb\xf5\x01\x7d\x40\x1f\xd4\x07\xf5\x21\x7d\x48\x1f\xd6\x87\xf5\x11"
      "\x7d\x44\x1f\xd5\x47\xf5\x31\x7d\x4c\x1f\xd7\xc7\xf5\x09\x7d\x52\xff\xa0"
      "\xbf\xd3\xa7\xf5\xf7\xfa\x8c\x3e\xab\xcf\xea\x1f\xf4\x79\x7d\x5e\x5f\xf8"
      "\xe5\x6b\x00\x06\x8d\x32\xda\x18\x13\x99\x74\x26\xbd\x49\x31\x19\x4c\x46"
      "\x73\x95\xc9\x64\xae\x36\x99\x4d\x16\x93\x30\xd7\x98\xac\xe6\x5a\x93\xcd"
      "\x5c\x67\xb2\x9b\x1c\x26\xa7\xc9\x65\x72\x9b\x3c\x26\xaf\xb1\x86\x8c\x33"
      "\x6c\x62\x93\xcf\xe4\x37\x49\x73\xbd\x29\x60\x6e\x30\x05\x4d\x21\x53\xd8"
      "\x14\x31\xde\x14\x35\xc5\xcc\x8d\xff\x74\xfe\xef\xf5\xd7\xc4\x34\x31\x4d"
      "\x4d\x53\xd3\xcc\x34\x33\x2d\x4c\x0b\xd3\xd2\xb4\x34\xad\x4c\x2b\xd3\xda"
      "\xb4\x36\x6d\x4c\x1b\xd3\xd6\xb4\x35\xed\x4c\x3b\xd3\xde\xb4\x37\x1d\x4c"
      "\x07\xd3\xd1\x74\x34\x9d\x4d\x67\xd3\xc5\x74\x31\x5d\x4d\x57\x93\x6a\x52"
      "\x4d\x0f\xf3\xa2\xe9\x69\x7a\x99\xde\xa6\x8f\xe9\x6b\x5e\x32\xfd\x4c\x3f"
      "\xd3\xdf\xf4\x37\x03\xcc\x00\x33\xc8\x0c\x32\x83\xcd\x60\x33\xc4\x0c\x31"
      "\x43\xcd\x50\x33\xdc\x0c\x37\x23\xcc\x08\x33\xca\x8c\x32\x63\xcc\x18\x33"
      "\xce\x8c\x33\xe3\xcd\x78\x33\xc1\x4c\x30\x13\xcd\x44\x33\xd9\x4c\x36\x53"
      "\xcd\x54\x33\xdd\x4c\x37\x33\xcc\x0c\x33\xcb\xcc\x32\xb3\xcd\x6c\x33\xc7"
      "\xcc\x31\xf3\xcc\x3c\xb3\xc0\x2c\x30\x0b\xcd\x42\xb3\xd8\x2c\x36\x4b\xcc"
      "\x12\xb3\xd4\x2c\x33\xcb\xcc\x0a\xb3\xc2\xac\x32\xab\xcc\x1a\xb3\xc6\xac"
      "\x33\xeb\xcc\x06\xb3\xc1\x6c\x32\x9b\xcc\x52\xb3\xd5\x6c\x35\xdb\xcc\x36"
      "\xb3\xc3\xec\x30\xbb\xcc\x2e\xb3\xc7\xec\x31\x7b\xcd\x5e\xb3\xcf\xec\x33"
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      "\xfd\x29\xff\x9d\x3f\xed\xbf\xf7\x67\xfc\x59\x7f\xce\xff\xe0\xcf\xfb\x1f"
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      "\xed\xc4\xc4\xc4\xa4\xc4\xe4\xc4\x94\xc4\xd4\xc4\xb4\xc4\xf4\xc4\x3b\x89"
      "\x19\x89\x99\x89\x59\x89\x77\x13\xb3\x13\xef\x25\xe6\x24\xe6\x26\xe6\x25"
      "\xe6\x27\x16\x24\xde\x4f\x2c\x4c\x2c\x4a\x2c\x4e\x7c\x90\x58\x92\xf8\x30"
      "\xb1\x34\xb1\x2c\xb1\x3c\xb1\x22\xb1\x32\xb1\x2a\x11\x42\x9e\x6d\x71\xc8"
      "\x17\xf2\x87\x64\xb8\x3e\x14\x08\x37\x84\x82\xa1\x50\x28\x1c\x8a\x04\x1f"
      "\x8a\x86\x62\xe1\xc6\x50\x3c\xdc\x14\x4a\x84\x9b\x43\xc9\x70\x4b\x28\x15"
      "\x6e\x0d\xa5\x43\x99\x50\x36\x3c\x1c\x1a\x84\x86\xa1\x51\x68\x1c\x9a\x84"
      "\x47\x42\xd3\xf0\x68\x68\x16\x9a\x87\x16\xe1\xb1\xd0\x32\x3c\x1e\x5a\x85"
      "\x27\x42\xeb\xf0\x64\x68\x13\x9e\x0a\x6d\xc3\xd3\xa1\x5d\x78\x26\xb4\x0f"
      "\xcf\x86\x0e\xe1\xb9\xd0\x31\x74\x0a\x9d\xc3\xf3\xa1\x4b\x78\x21\x74\x0d"
      "\xdd\x42\x6a\xe8\x1e\x7a\x84\x17\x43\xcf\xd0\x2b\xf4\x0e\x7d\x42\xdf\xf0"
      "\x52\xe8\x17\x5e\x0e\xfd\xc3\x2b\x61\x40\x18\x18\x06\x85\x57\xc3\xe0\xf0"
      "\x5a\x18\x12\x5e\x0f\x43\xc3\xb0\x30\x3c\xbc\x11\x46\x84\x91\x61\x54\x18"
      "\x1d\xc6\x84\xb1\x61\x5c\x78\x33\x8c\x0f\x6f\x85\x09\xe1\xed\x30\x31\x4c"
      "\x0a\x93\xc3\x94\x30\x35\x4c\x0b\xd3\xc3\x3b\x61\x46\x98\x19\x66\x85\x77"
      "\xc3\xec\xf0\x5e\x98\x13\xe6\x86\x79\x61\x7e\x58\x10\xde\x0f\x0b\xc3\xa2"
      "\xb0\x38\x7c\x10\x96\x84\x0f\xc3\xd2\xb0\x2c\x2c\x0f\x2b\xc2\xca\xb0\x2a"
      "\xac\x0e\x6b\xc2\xda\xb0\x2e\xac\x0f\x1b\xc2\xc6\xb0\x29\x6c\x0e\x5b\xc2"
      "\xd6\xf0\x51\xd8\x16\xb6\x87\x1d\x61\x67\xd8\x15\x76\x87\x3d\xe1\xe3\xb0"
      "\x37\x7c\x12\xf6\x85\x4f\xc3\xfe\xf0\x59\x38\x10\xfe\x18\x0e\x86\xcf\xc3"
      "\xa1\xf0\x45\x38\x1c\xbe\x0c\x47\xc2\x57\xe1\x68\xf8\x3a\x1c\x0b\xdf\x84"
      "\xe3\xe1\xdb\x70\x22\x9c\x0c\xa7\xc2\x77\xe1\x74\xf8\x3e\x9c\x09\x67\xc3"
      "\xb9\xf0\x43\x38\x1f\x7e\x0c\x17\xc2\x4f\xe1\xa2\xfc\xcd\x9a\x10\x42\x08"
      "\x21\xc4\x3f\x44\xff\xce\xe3\xdd\xff\xc6\xe7\xd2\x01\xc0\xaf\xb7\x44\x3d"
      "\x00\xe0\xea\xed\xb9\x0e\xff\x75\xcd\x8d\xd9\xff\xb4\xee\xa5\x72\xb7\x4c"
      "\x00\xc0\x93\xdd\x3a\x3c\xf0\xeb\x51\xb9\x72\x6a\x6a\xea\x2f\xcf\x5d\xaa"
      "\x21\xca\x3f\x17\x00\x12\x7f\x59\xff\xd7\x78\x19\xb4\x80\xc7\xa1\x35\x34"
      "\x87\xe2\x7f\xb3\xbf\x5e\xaa\xd3\x79\xfe\x9d\xfa\xc9\x5b\x00\x32\xfe\x59"
      "\x4e\x0a\x5c\x8e\x2f\xd7\xbf\xe9\xbf\xa8\xff\xc8\x63\xc3\x17\x96\x8a\xcf"
      "\x65\xfd\x3b\xf5\xe7\x02\x14\xcc\x7f\x39\x27\x03\x5c\x8e\x2f\xd7\x2f\xf1"
      "\x5f\xd4\xcf\xd1\xf4\x77\xfa\xcf\xf0\xf9\x38\x80\x66\x7f\x96\x93\x09\x2e"
      "\xc7\x97\xeb\x17\x83\x47\xe1\x29\x68\xfd\x17\xcf\x14\x42\x08\x21\x84\x10"
      "\x42\x08\x21\xfe\xa4\x97\x2a\xdb\xee\xf7\xee\x9f\x2f\xdd\x9f\xe7\x36\x97"
      "\x73\xd2\xc3\xe5\xf8\xf7\xee\xcf\x85\x10\x42\x08\x21\x84\x10\x42\x08\x71"
      "\xe5\x3d\xd3\xa9\xf3\x13\x8f\xb4\x6e\xdd\xbc\xdd\x3f\xb6\xc0\x5f\xf6\x05"
      "\xfe\x7b\x59\xb2\x90\xc5\x7f\xce\x22\xc3\x2f\x3f\x3a\xff\x57\xfa\xf9\x37"
      "\x2d\xae\xe4\x6f\x25\x21\x84\x10\x42\x08\x21\xc4\xbf\xc3\xe5\x8b\xfe\x2b"
      "\xdd\x89\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
      "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
      "\x84\x10\x42\x08\x91\x76\xfd\x6f\xfc\x3b\xb1\x2b\x7d\x8e\x42\x08\x21\x84"
      "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
      "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
      "\x42\x08\x21\x84\x10\x42\x08\x21\xc4\x95\xf6\xff\x02\x00\x00\xff\xff\xb0"
      "\x04\x32\xe8",
      5385));
  NONFAILING(syz_mount_image(/*fs=*/0x200000000100, /*dir=*/0x200000000000,
                             /*flags=*/0, /*opts=*/0x200000000600, /*chdir=*/2,
                             /*size=*/0x1509, /*img=*/0x200000001c40));
  //  chmod arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    mode: open_mode = 0x23f (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000000180, "./file0\000", 8));
  syscall(
      __NR_chmod, /*file=*/0x200000000180ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|0x200*/ 0x23ful);
}
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);
  setup_sysctl();
  const char* reason;
  (void)reason;
  install_segv_handler();
  loop();
  return 0;
}