// https://syzkaller.appspot.com/bug?id=cfcd564d1a32fcb10bc54f1dcbd9b2bd0afa0948
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.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/resource.h>
#include <sys/stat.h>
#include <sys/swap.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/falloc.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;
}

static int runcmdline(char* cmdline)
{
  int ret = system(cmdline);
  if (ret) {
  }
  return ret;
}

#define MAX_FDS 30

//% 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 setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

static void setup_fusectl()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  if (getppid() == 1)
    exit(1);
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  sandbox_common_mount_tmpfs();
  loop();
  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");
}

static void close_fds()
{
  for (int fd = 3; fd < MAX_FDS; fd++)
    close(fd);
}

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)
    ;
}

#define SWAP_FILE "./swap-file"
#define SWAP_FILE_SIZE (128 * 1000 * 1000)

static const char* setup_swap()
{
  swapoff(SWAP_FILE);
  unlink(SWAP_FILE);
  int fd = open(SWAP_FILE, O_CREAT | O_WRONLY | O_CLOEXEC, 0600);
  if (fd == -1)
    return "swap file open failed";
  fallocate(fd, FALLOC_FL_ZERO_RANGE, 0, SWAP_FILE_SIZE);
  close(fd);
  char cmdline[64];
  sprintf(cmdline, "mkswap %s", SWAP_FILE);
  if (runcmdline(cmdline))
    return "mkswap failed";
  if (swapon(SWAP_FILE, SWAP_FLAG_PREFER) == 1)
    return "swapon failed";
  return NULL;
}

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();
      close_fds();
      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[2] = {0xffffffffffffffff, 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 = 0x446 (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 {
  //              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)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              journal_dev: fs_opt["journal_dev", fmt[hex, int32]] {
  //                name: buffer: {6a 6f 75 72 6e 61 6c 5f 64 65 76} (length
  //                0xb) eq: const = 0x3d (1 bytes) val: int32 = 0x1045 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              oldalloc: buffer: {6f 6c 64 61 6c 6c 6f 63} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              noquota: buffer: {6e 6f 71 75 6f 74 61} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              minixdf: buffer: {6d 69 6e 69 78 64 66} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              barrier_val: fs_opt["barrier", fmt[hex, int32]] {
  //                name: buffer: {62 61 72 72 69 65 72} (length 0x7)
  //                eq: const = 0x3d (1 bytes)
  //                val: int32 = 0x2 (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 {
  //              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 {
  //              orlov: buffer: {6f 72 6c 6f 76} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              user_xattr: buffer: {75 73 65 72 5f 78 61 74 74 72} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              quota: buffer: {71 75 6f 74 61} (length 0x5)
  //            }
  //            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)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x553 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x553)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000040, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x200000000000, "./file1\000", 8));
  NONFAILING(memcpy((void*)0x200000000080, "stripe", 6));
  NONFAILING(*(uint8_t*)0x200000000086 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000087, "0x%016llx", (long long)2));
  NONFAILING(*(uint8_t*)0x200000000099 = 0x2c);
  NONFAILING(memcpy((void*)0x20000000009a, "journal_dev", 11));
  NONFAILING(*(uint8_t*)0x2000000000a5 = 0x3d);
  NONFAILING(sprintf((char*)0x2000000000a6, "0x%016llx", (long long)0x1045));
  NONFAILING(*(uint8_t*)0x2000000000b8 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000b9, "oldalloc", 8));
  NONFAILING(*(uint8_t*)0x2000000000c1 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000c2, "noquota", 7));
  NONFAILING(*(uint8_t*)0x2000000000c9 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000ca, "minixdf", 7));
  NONFAILING(*(uint8_t*)0x2000000000d1 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000d2, "barrier", 7));
  NONFAILING(*(uint8_t*)0x2000000000d9 = 0x3d);
  NONFAILING(sprintf((char*)0x2000000000da, "0x%016llx", (long long)2));
  NONFAILING(*(uint8_t*)0x2000000000ec = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000ed, "delalloc", 8));
  NONFAILING(*(uint8_t*)0x2000000000f5 = 0x2c);
  NONFAILING(memcpy((void*)0x2000000000f6, "nojournal_checksum", 18));
  NONFAILING(*(uint8_t*)0x200000000108 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000109, "orlov", 5));
  NONFAILING(*(uint8_t*)0x20000000010e = 0x2c);
  NONFAILING(memcpy((void*)0x20000000010f, "user_xattr", 10));
  NONFAILING(*(uint8_t*)0x200000000119 = 0x2c);
  NONFAILING(memcpy((void*)0x20000000011a, "quota", 5));
  NONFAILING(*(uint8_t*)0x20000000011f = 0x2c);
  NONFAILING(memcpy((void*)0x200000000120, "delalloc", 8));
  NONFAILING(*(uint8_t*)0x200000000128 = 0x2c);
  NONFAILING(*(uint8_t*)0x200000000129 = 0);
  NONFAILING(memcpy(
      (void*)0x200000001080,
      "\x78\x9c\xec\xdd\xdf\x6b\x5b\x55\x1c\x00\xf0\xef\x4d\xdb\xfd\xd6\x75\x30"
      "\x86\x8a\x48\x61\x0f\x4e\xe6\xd2\xb5\xf5\xc7\x04\x1f\xe6\xa3\xe8\x70\xa0"
      "\xef\x33\xb4\x77\x65\x34\x59\x46\x93\x8e\xb5\x0e\xdc\x1e\xdc\x8b\x2f\x32"
      "\x04\x11\x07\xe2\xbb\xbe\xfb\x38\xfc\x07\xfc\x2b\x06\x3a\x18\x32\x8a\x3e"
      "\xf8\x12\xb9\xe9\x4d\x97\xad\x49\x9b\x75\xd9\xd2\x99\xcf\x07\x6e\x39\x27"
      "\xf7\x26\xe7\x7e\x73\xef\xf7\xf4\xdc\x9c\x1b\x12\xc0\xd0\x9a\xc8\xfe\x14"
      "\x22\x5e\x8e\x88\x6f\x92\x88\x83\x11\x91\xe4\xeb\x46\x23\x5f\x39\xb1\xb6"
      "\xdd\xea\xfd\xab\xb3\xd9\x92\x44\xa3\xf1\xe9\x5f\x49\x73\xbb\xac\xde\x7a"
      "\xad\xd6\xf3\xf6\xe7\x95\x97\x22\xe2\xb7\xaf\x22\x8e\x17\x36\xb6\x5b\x5b"
      "\x5e\x59\x28\x95\xcb\xe9\x62\x5e\x9f\xac\x57\x2e\x4d\xd6\x96\x57\x4e\x5c"
      "\xa8\x94\xe6\xd3\xf9\xf4\xe2\xf4\xcc\xcc\xa9\xb7\x67\xa6\xdf\x7b\xf7\x9d"
      "\xbe\xc5\xfa\xc6\xd9\x7f\xbe\xff\xe4\xf6\x87\xa7\xbe\x3e\xba\xfa\xdd\x2f"
      "\x77\x0f\xdd\x4c\xe2\x74\x1c\xc8\xd7\xb5\xc7\xf1\x04\xae\xb5\x57\x26\x62"
      "\x22\x7f\x4f\xc6\xe2\xf4\x23\x1b\x4e\xf5\xa1\xb1\x9d\x24\x19\xf4\x0e\xb0"
      "\x2d\x23\x79\x9e\x8f\x45\xd6\x07\x1c\x8c\x91\x3c\xeb\x81\xff\xbf\x2f\x23"
      "\xa2\x01\x0c\xa9\x44\xfe\xc3\x90\x6a\x8d\x03\x5a\xd7\xf6\x7d\xba\x0e\x7e"
      "\x6e\xdc\xfb\x60\xed\x02\x68\x63\xfc\xa3\x6b\x9f\x8d\xc4\x9e\xe6\xb5\xd1"
      "\xbe\xd5\xe4\xa1\x2b\xa3\xec\x7a\x77\xbc\x0f\xed\x67\x6d\xfc\xfa\xe7\xad"
      "\x9b\xd9\x12\xfd\xfb\x1c\x02\x60\x4b\xd7\xae\x47\xc4\xc9\xd1\xd1\x8d\xfd"
      "\x5f\x92\xf7\x7f\xdb\x77\xb2\x87\x6d\x1e\x6d\x43\xff\x07\xcf\xce\xed\x6c"
      "\xfc\xf3\x66\xa7\xf1\x4f\x61\x7d\xfc\x13\x1d\xc6\x3f\xfb\x3b\xe4\xee\x76"
      "\x6c\x9d\xff\x85\xbb\x7d\x68\xa6\xab\x6c\xfc\xf7\x7e\xc7\xf1\xef\xfa\xa4"
      "\xd5\xf8\x48\x5e\x7b\xa1\x39\xe6\x1b\x4b\xce\x5f\x28\xa7\x59\xdf\xf6\x62"
      "\x44\x1c\x8b\xb1\xdd\x59\x7d\xb3\xf9\x9c\x53\xab\x77\x1a\xdd\xd6\xb5\x8f"
      "\xff\xb2\x25\x6b\xbf\x35\x16\xcc\xf7\xe3\xee\xe8\xee\x87\x9f\x33\x57\xaa"
      "\x97\x9e\x24\xe6\x76\xf7\xae\x47\xbc\xd2\x71\xfc\x9b\xac\x1f\xff\xa4\xc3"
      "\xf1\xcf\xde\x8f\xb3\x3d\xb6\x71\x24\xbd\xf5\x5a\xb7\x75\x5b\xc7\xff\x74"
      "\x35\x7e\x8a\x78\xbd\xe3\xf1\x7f\x30\xa3\x95\x6c\x3e\x3f\x39\xd9\x3c\x1f"
      "\x26\x5b\x67\xc5\x46\x7f\xdf\x38\xf2\x7b\xb7\xf6\x07\x1d\x7f\x76\xfc\xf7"
      "\x6d\x1e\xff\x78\xd2\x3e\x5f\x5b\x7b\xfc\x36\x7e\xdc\xf3\x6f\xda\x6d\xdd"
      "\x43\xf1\x47\xef\xe7\xff\xae\xe4\xb3\x66\x79\x57\xfe\xd8\x95\x52\xbd\xbe"
      "\x38\x15\xb1\x2b\xf9\x78\xe3\xe3\xd3\x0f\x9e\xdb\xaa\xb7\xb6\xcf\xe2\x3f"
      "\x76\x74\xf3\xfe\xaf\xd3\xf9\xbf\x37\x22\x3e\xef\x31\xfe\x1b\x87\x7f\x7e"
      "\xb5\xa7\xf8\x07\x74\xfc\xe7\x1e\xeb\xf8\x3f\x7e\xe1\xce\x47\x5f\xfc\xd0"
      "\xad\xfd\xde\xfa\xbf\xb7\x9a\xa5\x63\xf9\x23\xbd\xf4\x7f\xbd\xee\xe0\x93"
      "\xbc\x77\x00\x00\x00\x00\x00\x00\xb0\xd3\x14\x22\xe2\x40\x24\x85\xe2\x7a"
      "\xb9\x50\x28\x16\xd7\xee\xef\x38\x1c\xfb\x0a\xe5\x6a\xad\x7e\xfc\x7c\x75"
      "\xe9\xe2\x5c\x34\xbf\x2b\x3b\x1e\x63\x85\xd6\x4c\xf7\xc1\xb6\xfb\x21\xa6"
      "\xf2\xfb\x61\x5b\xf5\xe9\x47\xea\x33\x11\x71\x28\x22\xbe\x1d\xd9\xdb\xac"
      "\x17\x67\xab\xe5\xb9\x41\x07\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x3b\xc4\xfe\x2e\xdf\xff\xcf\xfc\x31\x32\xe8\xbd\x03"
      "\x9e\x3a\x3f\xf9\x0d\xc3\x6b\xcb\xfc\xef\xc7\x2f\x3d\x01\x3b\x92\xff\xff"
      "\x30\xbc\xe4\x3f\x0c\x2f\xf9\x0f\xc3\x4b\xfe\xc3\xf0\x92\xff\x30\xbc\xe4"
      "\x3f\x0c\x2f\xf9\x0f\xc3\x4b\xfe\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x5f\x9d\x3d\x73\x26\x5b"
      "\x1a\xab\xf7\xaf\xce\x66\xf5\xb9\xcb\xcb\x4b\x0b\xd5\xcb\x27\xe6\xd2\xda"
      "\x42\xb1\xb2\x34\x5b\x9c\xad\x2e\x5e\x2a\xce\x57\xab\xf3\xe5\xb4\x38\x5b"
      "\xad\x6c\xf5\x7a\xe5\x6a\xf5\xd2\xd4\x74\x2c\x5d\x99\xac\xa7\xb5\xfa\x64"
      "\x6d\x79\xe5\x5c\xa5\xba\x74\xb1\x7e\xee\x42\xa5\x34\x9f\x9e\x4b\xc7\x9e"
      "\x49\x54\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0"
      "\x7c\xa9\x2d\xaf\x2c\x94\xca\xe5\x74\x51\x41\x61\x5b\x85\xd1\x9d\xb1\x1b"
      "\x0a\x7d\x2e\x0c\xba\x67\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x80\x07\xfe\x0b\x00\x00\xff\xff\xe8\x06\x37\xb1",
      1363));
  NONFAILING(
      syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000000,
                      /*flags=MS_NOSUID|MS_NODEV|MS_NOATIME|MS_MANDLOCK*/ 0x446,
                      /*opts=*/0x200000000080, /*chdir=*/1, /*size=*/0x553,
                      /*img=*/0x200000001080));
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x42 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x200000000040, "./file1\000", 8));
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
                /*flags=O_CREAT|O_RDWR*/ 0x42, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  pwrite64 arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {32} (length 0x1)
  //    }
  //    count: len = 0x1 (8 bytes)
  //    pos: intptr = 0x8000c61 (8 bytes)
  //  ]
  NONFAILING(memset((void*)0x200000000140, 50, 1));
  syscall(__NR_pwrite64, /*fd=*/r[0], /*buf=*/0x200000000140ul, /*count=*/1ul,
          /*pos=*/0x8000c61ul);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x101042 (4 bytes)
  //    mode: open_mode = 0x35 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x200000000040, "./file1\000", 8));
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
                /*flags=O_SYNC|O_CREAT|O_RDWR*/ 0x101042,
                /*mode=S_IXOTH|S_IROTH|S_IWGRP|S_IRGRP*/ 0x35);
  if (res != -1)
    r[1] = res;
  //  pwrite64 arguments: [
  //    fd: fd (resource)
  //    buf: ptr[in, buffer] {
  //      buffer: {32} (length 0x1)
  //    }
  //    count: len = 0xfdef (8 bytes)
  //    pos: intptr = 0xfecc (8 bytes)
  //  ]
  NONFAILING(memset((void*)0x200000000140, 50, 1));
  syscall(__NR_pwrite64, /*fd=*/r[1], /*buf=*/0x200000000140ul,
          /*count=*/0xfdeful, /*pos=*/0xfeccul);
  //  setxattr$trusted_overlay_upper arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    name: ptr[in, buffer] {
  //      buffer: {74 72 75 73 74 65 64 2e 6f 76 65 72 6c 61 79 2e 75 70 70 65
  //      72 00} (length 0x16)
  //    }
  //    val: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {d0 a2 d8 32 7e f1 38 c6 2c 89 12 4c ac 49 a8 c3
  //          28 ee e8 e5 1f df 5d 37 d7 16 84 e3 cf e9 ea a8 66 71 5c 02 34 22
  //          e2 28 a5 58 c5 bf 63 11 7a 1a 0b 20 b9 8a f8 45 e8 75 47 fa 54 f6
  //          03 6d 88 1c f7 bb ed cc c8 a2 b7 60 bd c5 33 c9 02 ac dd cd ce dc
  //          3b 4c 0e 22 26 02 49 6b a6 e1 3f 1c e9 89 98 07 53 70 9e 81 c9 3c
  //          81 4f 5c f3 87 fc fa 6f 8f d7 b3 1c b3 af a0 9c 06 42 19 8e f1 12
  //          e1 f7 66 7b ab 57 b0 6a 4d 24 ea 2d 1e a6 c2 ac 9a ce 6f 21 5d 55
  //          ff f2 a6 c4 be da 32 76 ea f4 a7 a9 49 01 c9 33 ba 5e dd 25 db 98
  //          6c 16 77 fe 90 11 e7 f3 b6 9c 3f eb 0f 95 0b 58 f6 09 e2 00 d2 f8
  //          c0 15 fa db a4 22 89 d3 1a f5 4e 98 19 2f c6 21 b3 b7 45 07 1d bb
  //          96 7b 87 d3 fa d4 dc 64 a1 fb 5f 63 e9 ec f9 d3 59 bf 3c 42 ce e7
  //          b4 bd 5b aa 28 d4 a7 04 ef 4f 4a d1 29 ce 99 f8 66 f7 0c 64 b8 f4
  //          79 6c a9 7d 40 6e f2 53 15 0d 58 fd fd a3 25 72 8a 18 fe fb fd e5
  //          42 5c 5e e1 e0 ad ec 89 a5 a2 61 54 c4 02 41 5f b5 b2 23 cb c4 fd
  //          2e 66 7f c9 c2 fd 84 6a 57 56 af fa c0 fa c4 84 f5 be 8d 86 b7 06
  //          4b 53 1b ff 94 83 11 02 e6 57 6b 8b 4c 38 af 4a 8b 76 28 e0 a1 b2
  //          53 c2 48 69 b6 11 ec 36 8b e2 78 aa d0 1e 0d 66 a7 2c 69 3c f9 ea
  //          cb 3d c1 d7 64 d9 81 e5 43 d1 92 f9 9c 85 76 2c d8 9c 8e 1b 8d 3d
  //          5f 1f b1 ba 3d dd 42 d1 6a c5 38 76 26 51 c3 67 16 20 be b8 4d 95
  //          66 15 27 1b 86 0a 26 9c ec 68 d6 6d be e8 c5 31 47 4c 35 66 03 b9
  //          81 3b 39 96 66 ed a4 57 c3 62 f0 d4 40 5c af 30 80 c5 82 58 24 d9
  //          63 45 d6 d1 71 eb 79 8e b8 85 1a a2 c0 d2 c9 9f a0 e5 e5 96 71 51
  //          8f 6d 95 10 90 a5 1a f0 ea b6 74 de 9e 95 c6 66 2f d7 53 c2 e2 6e
  //          52 47 3c 35 2d 70 39 c2 fa cb 51 62 06 fd 1f 65 ec b2 60 d4 87 ff
  //          a7 dd 53 68 4b 08 ca 18 c2 5c 2c 73 1d 16 73 68 65 73 be c1 88 a1
  //          9c a1 7e ff de 88 23 96 75 48 ac e4 6f 7b e0 22 e2 e1 a9 c4 4b f0
  //          b7 aa 09 8b c3 2c 84 74 d0 48 85 70 28 8b 55 18 78 ed 88 ac cb b4
  //          27 ca d3 71 40 19 ee 53 96 22 3a 4d 62 e6 e1 c6 73 ad c5 3c 2d 24
  //          6b 2d 3b c4 3c 54 69 b3 fe 00 0c f1 2d de ff d5 1b aa c2 d6 e1 a7
  //          34 92 49 77 16 54 e4 60 5c 27 3f f5 f9 46 01 27 3e 08 91 f6 0a 17
  //          9f 81 4c 91 27 87 60 76 b3 a6 1a 06 b1 41 4b ca ed 62 81 25 42 ee
  //          f4 7b c8 d3 e6 f1 82 50 41 44 e3 f5 f7 c1 56 35 bf 12 6a 1f d9 65
  //          c9 04 4e 30 d5 cd 6d 56 29 20 bc 02 d3 e8 3d 00 4a 4a 5f eb 43 d0
  //          34 62 4d 34 75 23 f5 2a 1b 7c d3 c8 e3 52 e3 df 09 64 dc cb 0c 0e
  //          f7 b3 cc bf 8b a8 43 0b 20 ff 8f f3 65 90 97 c0 b5 a8 90 a6 54 89
  //          8a 6e 0f 78 d9 1d f6 9d cd 30 6d 18 cd 9a 86 b0 c1 8a dc 39 56 bc
  //          99 5e 51 fc 48 6c 2c 7d 08 89 dd 25 60 0b 1d c5 f4 67 7e b6 47 38
  //          0b c1 00 7e a2 85 e2 3c 59 e2 a9 9c bb 75 03 ab 6a 70 1c 88 48 10
  //          76 40 85 cb cd a3 97 a4 b0 f3 ed d8 72 78 ea e0 1f f8 1c 2c 74 18
  //          da a0 e9 a1 bc 21 a5 32 ac 34 2e 8c 66 ba 85 98 d0 d6 91 2c a1 78
  //          f3 39 c4 71 51 eb ae b8 3d 69 29 38 a9 7f b0 c8 95 de ad f8 7a d3
  //          80 61 2a e0 ad 03 36 96 5a 58 5e 0e 75 45 bb 64 2a 1e 24 c4 60 50
  //          9c b1 22 fe 03 55 7a 00 d5 2d 08 04 97 72 db 7c 75 47 29 2b 09 98
  //          98 b7 56 3a 9b 30 70 cd 65 1c 5b 69 86 3a b4 cb ba f7 55 d0 2c 82
  //          a4 cf df 8f 31 78 86 81 91 33 41 48 1b a1 0a 2e 2d 8e f9 3e e8 16
  //          b9 d0 f9 e7 cf d5 18 1c 6c c2 7d db 72 d4 42 a6 e5 58 5a 15 99 4e
  //          18 1c 55 2f b5 a0 33 23 2f b6 6c 1a 54 f2 be 6a 27 a6 09 b6 90 52
  //          f8 6d 2e 73 91 56 d8 9c d5 bf d4 13 31 5a 58 2f 34 33 1e 11 6f 91
  //          fc 77 84 02 e7 8b 6a d7 82 1c b7 75 d5 ab b1 02 4e 7a 75 57 b4 18
  //          90 37 67 b5 3a 47 56 e7 1d f0 57 72 d0 32 f3 78 4c e9 87 c3 8d a5
  //          2b 78 89 08 06 e2 ef 78 e8 c9 02 68 3a 20 ea d4 d9 dd 63 26 9b 6d
  //          44 3b 42 26 f6 3c 92 60 ca 3b 74 71 a1 63 ff f8 9a f7 3c f9 a5 29
  //          16 b2 0c ed ed 04 95 07 eb b2 fa 4c 12 ed 8c 2d b8 1c f2 4c cf 1e
  //          c7 5c ac 04 5a 8e 1a 5c b4 2a 25 75 d0 64 ae 40 22 1e 85 e3 83 45
  //          8d 40 d4 52 aa 7a dd d8 3e 25 5d ee b3 2b 1f 4e 72 16 46 f6 57 2e
  //          95 15 ca d7 2d 0a f2 7c 46 5d f3 83 5f 06 5e ac 91 a2 70 c5 1d 85
  //          3a c0 bc e8 d6 54 a6 47 2c 67 a6 c1 37 66 0b cf f9 a8 88 26 a9 77
  //          c9 4a 24 27 d5 fb 66 26 1f 4a c6 04 fe 6f 57 65 ad 94 49 de 51 25
  //          7b 5d ad 96 99 a6 e0 87 b0 99 41 98 1e aa 1b fb f7 15 a7 ee 6b 96
  //          36 a2 60 1e 68 60 eb 4f 65 63 8d 08 d8 5b 5b 27 cc ab 8d 42 69 5b
  //          7a 15 32 07 1c 5b 12 ba db 5b 62 c8 d3 1b ee b7 0c f7 3f ac a0 f0
  //          28 85 cb 32 cd 59 37 be 7c 6d 03 74 c3 31 fb 23 a6 a9 99 9a 7e f0
  //          31 82 6c b1 7a 1f 84 43 4e bc 1f de 92 90 50 ff f0 c1 e6 f8 05 07
  //          51 57 ec a7 77 ea d7 5d f8 21 75 99 e2 8f 9a e3 5c 12 a7 a0 ee aa
  //          ec dc 1d fb 03 59 be 9a 90 95 68 53 26 f8 c5 96 85 8e 38 dd 88 6c
  //          d0 36 c9 73 91 f6 f8 39 8e e3 e5 f5 14 d0 ce a0 28 82 ce bd 19 81
  //          58 9b 18 95 97 6f c3 a2 3e aa 6d 48 6a 84 1a c7 7a fa 46 02 20 5f
  //          5f 4e db d8 d1 cc 8f 28 05 26 42 6b 4f 20 44 b6 ed 97 49 a1 3c 9c
  //          70 87 e4 3a 21 21 8d b3 64 e8 b8 37 bb 56 b5 d0 27 da 6b dd 57 92
  //          be 69 de 6e ed 43 8a d3 96 ee 0f 84 78 72 ac 88 25 22 a0 41 05 d4
  //          9c 5f 6a 45 06 24 5b c6 6c a5 88 b6 2f 32 5d 36 c2 4c ca b2 66 83
  //          c6 76 65 7d 50 5c b9 26 8d 8b 72 8c a0 0c 30 cb de 96 dc 13 8a 6a
  //          8f 9c 6f e8 4c 98 71 97 e9 74 54 1a 1d d5 2c 0c a1 ab 30 7b e5 40
  //          de 6c 92 7e cc 82 53 86 49 83 9a 64 80 e5 75 8d ee 32 0d 36 97 f2
  //          e8 67 3d fb 9b 57 05 a5 97 3b 39 fc 03 72 8d b2 b7 e0 12 f8 7a 67
  //          50 25 12 22 1b 3f 28 39 3b 70 69 5c 38 74 62 5c 60 df ad df 71 65
  //          ab 51 59 31 be 59 a3 3d 25 62 33 d2 13 94 91 25 4f cb dc bf 3b 43
  //          e9 1c 08 55 c0 2b 55 d5 55 57 f9 57 19 bd 6e 81 42 94 c6 d4 6d fd
  //          9a d1 08 63 a2 b9 91 f2 5f bc c2 b4 02 db ab 06 c8 34 e6 00 a9 35
  //          c0 8f 38 1b 5d 46 fa bb 57 9b 48 81 02 e7 7e 9c 16 f2 2b d7 73 3b
  //          d3 3f 03 00 85 d5 ce f5 b9 63 d4 b4 59 e8 7d 3a b8 be 76 d3 94 70
  //          81 da 45 f8 3f 19 1d 79 b0 44 4c 61 b4 7b 84 5f 26 40 69 ec 5d b6
  //          97 09 76 d8 4e c0 90 78 ea e3 56 c1 74 9c 3a 25 9d 9a b0 7b 33 75
  //          90 50 ba 21 52 28 5e f7 25 36 3c 82 02 8a 1c 76 0e 64 e0 18 d3 cd
  //          73 d7 8c 15 fc e7 e3 83 12 17 c2 19 60 16 e3 95 bf bf 6f ba 41 3d
  //          20 f2 11 9f 1b 88 e0 93 d4 27 4b e3 a4 47 df 00 1d e3 29 7b eb 30
  //          7f b7 25 0c dc 29 31 8e 08 8f 55 a9 91 d1 f9 65 c3 ff 9c 24 4b 68
  //          d5 1a bb 90 3b 6d 1f 47 12 de 68 7b 7d 96 54 5b 41 57 cc 7c 16 14
  //          cf c4 25 33 fb 9b 97 7d 5c eb fe fa 22 e6 de 6e 6f f2 bb 6b 90 90
  //          01 94 99 13 fd d8 e2 e2 ed 82 b7 87 46 f1 ae c2 87 d0 77 7d 9a 68
  //          79 8d 60 d4 25 17 d4 5e be 81 c9 0e 6a f4 11 7e 9a d6 a6 99 11 fa
  //          fd 20 9f ab c4 80 e3 06 48 67 30 27 c6 4a 22 18 b6 5a f5 06 1b 92
  //          7c e7 ef 3c ea f0 6e f8 c9 0b 1d 8c 6c 55 0c 98 69 4a 5a cc ed e8
  //          cc 63 2f cd 8f 45 73 bc f3 50 98 5e 79 97 b5 36 0e 48 b3 0f 04 f3
  //          25 f2 a7 90 c5 84 b3 d7 b0 de 0c 97 37 ae 0f 6b 51 bb b0 e6 ea 79
  //          c3 7c 91 ed ba f5 31 21 0d d9 f1 f7 be c3 b0 43 32 47 57 ca 36 66
  //          72 d5 ad ca ba 95 e9 fb a8 de b4 e4 a7 bb 50 c1 f2 00 5b 4d ec f6
  //          04 f2 1a 37 31 1b 43 66 60 c1 34 17 73 b8 e7 4a d8 db 4c a6 a9 10
  //          ec 68 b7 4c 15 86 b1 ad 7d 4a 69 8b 90 a3 a0 96 0c 58 ec 0f cf 1f
  //          5d 6c f1 64 0b cd f0 29 ff b1 2e 45 fa ca 0a 8f 30 5f 77 d9 13 67
  //          0a a8 75 5f 2d f8 88 b7 c0 00 40 0a 73 d9 08 29 fc 28 6d 51 80 6b
  //          69 79 d3 ef d8 30 f8 7e c3 0f ca 30 05 e5 3f 20 dd 88 da bc 2c dd
  //          2c e7 be 8b 42 04 30 52 48 8b 86 da 3c 76 3d e6 80 da c0 f2 48 a6
  //          64 7a da d3 4b 08 f5 71 da aa 00 10 11 70 d2 3c 38 06 c0 d3 64 eb
  //          ad 56 ea c9 ee 86 2b 6a 5e 59 a6 2b 80 d4 0d 77 4e 8a 36 73 61 c2
  //          ac 05 f0 82 07 c8 4e 30 7d 93 38 9d ca 2a 16 7c 20 96 09 29 51 d8
  //          54 77 ea 11 24 5e 15 cd 27 0c f2 51 c6 85 13 eb f3 0e 24 06 52 8e
  //          49 57 ec 53 a3 2f 82 00 6b ee 54 04 28 8d 34 35 21 92 af c0 ec 77
  //          26 84 f7 8c 30 d5 04 ee 25 e9 a8 42 3b 3c 70 2e f4 e7 f8 d1 5e 58
  //          ff 9d 23 a6 7b df ac 12 37 6d de 77 ed c8 25 ba 3e ae 81 c4 8f 5e
  //          9c 3d 0c 4d 77 87 cb 47 aa 9d e3 ea c2 a5 d6 6c cf d0 73 c7 83 b6
  //          da dc 19 0e e3 08 86 de 83 3d 85 c5 32 7f a4 7c 3e fc 99 12 c9 0d
  //          e1 cc a8 90 75 5a 6f d2 26 7a 63 b6 9c 4e eb 9a 57 dc 88 20 9d 47
  //          01 53 0d a0 70 4c 51 9d 4f 93 f4 bf 20 57 e7 1e 8b 9f 39 fc bf 0e
  //          75 95 c9 6f 5a d3 22 f0 dc c9 0c 0a f4 18 1f eb e2 83 f9 a5 22 4e
  //          54 a5 62 fe 70 15 4d 89 fe 30 f7 f0 e7 1a cd 1b a4 d5 46 97 8e 6d
  //          5b d0 37 5a ed 9f 42 d3 dd 68 c1 7b 5a f0 1b c5 7d 5b 31 89 0d 6d
  //          57 c5 fe 94 7b e5 35 e8 92 23 83 8b eb 81 56 ae 04 a3 aa 0c fb 88
  //          ab e0 8a 8b 8a 1a a8 ec af fb 11 fb 0b 21 7f b5 79 ec 8d d5 57 0e
  //          ec 43 12 b9 59 47 1f 09 e9 3f 5d 07 e6 20 16 71 3d 56 df c3 fc f2
  //          98 52 c1 8e e7 bb 59 55 c2 81 51 e5 75 fc 39 34 bc b4 2e 1c ff 2e
  //          8d 08 8d 6d 7f ad 07 6d a0 b3 ac 27 99 a1 d2 54 a3 fc f1 92 4f 9e
  //          a7 31 51 76 5c 90 30 e0 1a 4c 24 f6 c6 3b 03 5c 34 65 92 15 0b cf
  //          7f c8 63 8e 93 23 0a b6 fd 32 a7 50 75 56 de 33 a8 3e d3 6e c1 da
  //          5e 59 61 e5 b8 e9 d4 bb 0d 3d 1a 94 86 79 4c 89 09 58 96 a6 1d fc
  //          0f 1f b1 cb 94 70 6a 76 22 4d f9 b7 b0 5d b4 09 ea 64 19 a6 6d 9d
  //          a2 51 a9 1c 43 d9 93 cc 67 61 a4 99 8f b7 40 13 55 e8 96 fc 33 f3
  //          c9 4e 30 dc 4e 03 35 52 ae cb 7e 75 65 7b bd c3 e8 2c 28 80 a8 a8
  //          1b 0d 25 18 ae 4e c0 8a 96 c8 21 b7 c6 57 18 16 c3 b6 99 ba fa 1d
  //          00 e5 f6 83 40 71 a9 eb f6 31 81 2b 71 a8 cd f4 74 d4 28 b3 dd 33
  //          0c dd 89 40 19 e8 f2 7c 62 6c d2 d3 31 ee 95 82 bf fa 03 07 6d e5
  //          cc 7f c5 8a 5c 5f 12 8f 15 ad 17 77 a5 06 9d 0a d3 d7 c6 89 72 44
  //          7a bd 9c bd 2a ed 3a 4a 7c cf c5 23 50 94 c0 4a d8 ca 4a 9f 15 f2
  //          90 72 d2 86 de 44 99 1f c5 96 32 df 46 d3 25 f2 7e c4 12 c2 f5 c1
  //          ad c4 a5 69 81 05 7e 42 ad cb 38 a4 05 a6 e7 1c 33 be 7b a6 f7 32
  //          2a 58 60 5d f3 c7 4a 2d 61 2e 89 50 06 ba a8 02 43 2d 08 ab 3e 9a
  //          3f 86 75 e4 7b 43 9d b5 c2 56 2a bf 3d b7 87 f7 61 89 1d c7 a7 bd
  //          e7 2b 01 f7 20 bb 60 5b ab 90 e4 40 29 30 ae 76 c3 9a d5 c5 fe 5b
  //          fa 98 f3 ac 0a ef 13 3c 6d 15 18 2d d2 1d b6 ad db 4a 6a 2a 77 12
  //          f4 c5 d9 87 67 3a 79 72 ef 62 60 f9 e9 30 d0 dd e2 23 25 ed 47 8c
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  //        }
  //      }
  //    }
  //    size: len = 0x841 (8 bytes)
  //    flags: setxattr_flags = 0x1 (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000000000, "./file1\000", 8));
  NONFAILING(memcpy((void*)0x200000000500, "trusted.overlay.upper\000", 22));
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      "\x1d\x79\xb0\x44\x4c\x61\xb4\x7b\x84\x5f\x26\x40\x69\xec\x5d\xb6\x97\x09"
      "\x76\xd8\x4e\xc0\x90\x78\xea\xe3\x56\xc1\x74\x9c\x3a\x25\x9d\x9a\xb0\x7b"
      "\x33\x75\x90\x50\xba\x21\x52\x28\x5e\xf7\x25\x36\x3c\x82\x02\x8a\x1c\x76"
      "\x0e\x64\xe0\x18\xd3\xcd\x73\xd7\x8c\x15\xfc\xe7\xe3\x83\x12\x17\xc2\x19"
      "\x60\x16\xe3\x95\xbf\xbf\x6f\xba\x41\x3d\x20\xf2\x11\x9f\x1b\x88\xe0\x93"
      "\xd4\x27\x4b\xe3\xa4\x47\xdf\x00\x1d\xe3\x29\x7b\xeb\x30\x7f\xb7\x25\x0c"
      "\xdc\x29\x31\x8e\x08\x8f\x55\xa9\x91\xd1\xf9\x65\xc3\xff\x9c\x24\x4b\x68"
      "\xd5\x1a\xbb\x90\x3b\x6d\x1f\x47\x12\xde\x68\x7b\x7d\x96\x54\x5b\x41\x57"
      "\xcc\x7c\x16\x14\xcf\xc4\x25\x33\xfb\x9b\x97\x7d\x5c\xeb\xfe\xfa\x22\xe6"
      "\xde\x6e\x6f\xf2\xbb\x6b\x90\x90\x01\x94\x99\x13\xfd\xd8\xe2\xe2\xed\x82"
      "\xb7\x87\x46\xf1\xae\xc2\x87\xd0\x77\x7d\x9a\x68\x79\x8d\x60\xd4\x25\x17"
      "\xd4\x5e\xbe\x81\xc9\x0e\x6a\xf4\x11\x7e\x9a\xd6\xa6\x99\x11\xfa\xfd\x20"
      "\x9f\xab\xc4\x80\xe3\x06\x48\x67\x30\x27\xc6\x4a\x22\x18\xb6\x5a\xf5\x06"
      "\x1b\x92\x7c\xe7\xef\x3c\xea\xf0\x6e\xf8\xc9\x0b\x1d\x8c\x6c\x55\x0c\x98"
      "\x69\x4a\x5a\xcc\xed\xe8\xcc\x63\x2f\xcd\x8f\x45\x73\xbc\xf3\x50\x98\x5e"
      "\x79\x97\xb5\x36\x0e\x48\xb3\x0f\x04\xf3\x25\xf2\xa7\x90\xc5\x84\xb3\xd7"
      "\xb0\xde\x0c\x97\x37\xae\x0f\x6b\x51\xbb\xb0\xe6\xea\x79\xc3\x7c\x91\xed"
      "\xba\xf5\x31\x21\x0d\xd9\xf1\xf7\xbe\xc3\xb0\x43\x32\x47\x57\xca\x36\x66"
      "\x72\xd5\xad\xca\xba\x95\xe9\xfb\xa8\xde\xb4\xe4\xa7\xbb\x50\xc1\xf2\x00"
      "\x5b\x4d\xec\xf6\x04\xf2\x1a\x37\x31\x1b\x43\x66\x60\xc1\x34\x17\x73\xb8"
      "\xe7\x4a\xd8\xdb\x4c\xa6\xa9\x10\xec\x68\xb7\x4c\x15\x86\xb1\xad\x7d\x4a"
      "\x69\x8b\x90\xa3\xa0\x96\x0c\x58\xec\x0f\xcf\x1f\x5d\x6c\xf1\x64\x0b\xcd"
      "\xf0\x29\xff\xb1\x2e\x45\xfa\xca\x0a\x8f\x30\x5f\x77\xd9\x13\x67\x0a\xa8"
      "\x75\x5f\x2d\xf8\x88\xb7\xc0\x00\x40\x0a\x73\xd9\x08\x29\xfc\x28\x6d\x51"
      "\x80\x6b\x69\x79\xd3\xef\xd8\x30\xf8\x7e\xc3\x0f\xca\x30\x05\xe5\x3f\x20"
      "\xdd\x88\xda\xbc\x2c\xdd\x2c\xe7\xbe\x8b\x42\x04\x30\x52\x48\x8b\x86\xda"
      "\x3c\x76\x3d\xe6\x80\xda\xc0\xf2\x48\xa6\x64\x7a\xda\xd3\x4b\x08\xf5\x71"
      "\xda\xaa\x00\x10\x11\x70\xd2\x3c\x38\x06\xc0\xd3\x64\xeb\xad\x56\xea\xc9"
      "\xee\x86\x2b\x6a\x5e\x59\xa6\x2b\x80\xd4\x0d\x77\x4e\x8a\x36\x73\x61\xc2"
      "\xac\x05\xf0\x82\x07\xc8\x4e\x30\x7d\x93\x38\x9d\xca\x2a\x16\x7c\x20\x96"
      "\x09\x29\x51\xd8\x54\x77\xea\x11\x24\x5e\x15\xcd\x27\x0c\xf2\x51\xc6\x85"
      "\x13\xeb\xf3\x0e\x24\x06\x52\x8e\x49\x57\xec\x53\xa3\x2f\x82\x00\x6b\xee"
      "\x54\x04\x28\x8d\x34\x35\x21\x92\xaf\xc0\xec\x77\x26\x84\xf7\x8c\x30\xd5"
      "\x04\xee\x25\xe9\xa8\x42\x3b\x3c\x70\x2e\xf4\xe7\xf8\xd1\x5e\x58\xff\x9d"
      "\x23\xa6\x7b\xdf\xac\x12\x37\x6d\xde\x77\xed\xc8\x25\xba\x3e\xae\x81\xc4"
      "\x8f\x5e\x9c\x3d\x0c\x4d\x77\x87\xcb\x47\xaa\x9d\xe3\xea\xc2\xa5\xd6\x6c"
      "\xcf\xd0\x73\xc7\x83\xb6\xda\xdc\x19\x0e\xe3\x08\x86\xde\x83\x3d\x85\xc5"
      "\x32\x7f\xa4\x7c\x3e\xfc\x99\x12\xc9\x0d\xe1\xcc\xa8\x90\x75\x5a\x6f\xd2"
      "\x26\x7a\x63\xb6\x9c\x4e\xeb\x9a\x57\xdc\x88\x20\x9d\x47\x01\x53\x0d\xa0"
      "\x70\x4c\x51\x9d\x4f\x93\xf4\xbf\x20\x57\xe7\x1e\x8b\x9f\x39\xfc\xbf\x0e"
      "\x75\x95\xc9\x6f\x5a\xd3\x22\xf0\xdc\xc9\x0c\x0a\xf4\x18\x1f\xeb\xe2\x83"
      "\xf9\xa5\x22\x4e\x54\xa5\x62\xfe\x70\x15\x4d\x89\xfe\x30\xf7\xf0\xe7\x1a"
      "\xcd\x1b\xa4\xd5\x46\x97\x8e\x6d\x5b\xd0\x37\x5a\xed\x9f\x42\xd3\xdd\x68"
      "\xc1\x7b\x5a\xf0\x1b\xc5\x7d\x5b\x31\x89\x0d\x6d\x57\xc5\xfe\x94\x7b\xe5"
      "\x35\xe8\x92\x23\x83\x8b\xeb\x81\x56\xae\x04\xa3\xaa\x0c\xfb\x88\xab\xe0"
      "\x8a\x8b\x8a\x1a\xa8\xec\xaf\xfb\x11\xfb\x0b\x21\x7f\xb5\x79\xec\x8d\xd5"
      "\x57\x0e\xec\x43\x12\xb9\x59\x47\x1f\x09\xe9\x3f\x5d\x07\xe6\x20\x16\x71"
      "\x3d\x56\xdf\xc3\xfc\xf2\x98\x52\xc1\x8e\xe7\xbb\x59\x55\xc2\x81\x51\xe5"
      "\x75\xfc\x39\x34\xbc\xb4\x2e\x1c\xff\x2e\x8d\x08\x8d\x6d\x7f\xad\x07\x6d"
      "\xa0\xb3\xac\x27\x99\xa1\xd2\x54\xa3\xfc\xf1\x92\x4f\x9e\xa7\x31\x51\x76"
      "\x5c\x90\x30\xe0\x1a\x4c\x24\xf6\xc6\x3b\x03\x5c\x34\x65\x92\x15\x0b\xcf"
      "\x7f\xc8\x63\x8e\x93\x23\x0a\xb6\xfd\x32\xa7\x50\x75\x56\xde\x33\xa8\x3e"
      "\xd3\x6e\xc1\xda\x5e\x59\x61\xe5\xb8\xe9\xd4\xbb\x0d\x3d\x1a\x94\x86\x79"
      "\x4c\x89\x09\x58\x96\xa6\x1d\xfc\x0f\x1f\xb1\xcb\x94\x70\x6a\x76\x22\x4d"
      "\xf9\xb7\xb0\x5d\xb4\x09\xea\x64\x19\xa6\x6d\x9d\xa2\x51\xa9\x1c\x43\xd9"
      "\x93\xcc\x67\x61\xa4\x99\x8f\xb7\x40\x13\x55\xe8\x96\xfc\x33\xf3\xc9\x4e"
      "\x30\xdc\x4e\x03\x35\x52\xae\xcb\x7e\x75\x65\x7b\xbd\xc3\xe8\x2c\x28\x80"
      "\xa8\xa8\x1b\x0d\x25\x18\xae\x4e\xc0\x8a\x96\xc8\x21\xb7\xc6\x57\x18\x16"
      "\xc3\xb6\x99\xba\xfa\x1d\x00\xe5\xf6\x83\x40\x71\xa9\xeb\xf6\x31\x81\x2b"
      "\x71\xa8\xcd\xf4\x74\xd4\x28\xb3\xdd\x33\x0c\xdd\x89\x40\x19\xe8\xf2\x7c"
      "\x62\x6c\xd2\xd3\x31\xee\x95\x82\xbf\xfa\x03\x07\x6d\xe5\xcc\x7f\xc5\x8a"
      "\x5c\x5f\x12\x8f\x15\xad\x17\x77\xa5\x06\x9d\x0a\xd3\xd7\xc6\x89\x72\x44"
      "\x7a\xbd\x9c\xbd\x2a\xed\x3a\x4a\x7c\xcf\xc5\x23\x50\x94\xc0\x4a\xd8\xca"
      "\x4a\x9f\x15\xf2\x90\x72\xd2\x86\xde\x44\x99\x1f\xc5\x96\x32\xdf\x46\xd3"
      "\x25\xf2\x7e\xc4\x12\xc2\xf5\xc1\xad\xc4\xa5\x69\x81\x05\x7e\x42\xad\xcb"
      "\x38\xa4\x05\xa6\xe7\x1c\x33\xbe\x7b\xa6\xf7\x32\x2a\x58\x60\x5d\xf3\xc7"
      "\x4a\x2d\x61\x2e\x89\x50\x06\xba\xa8\x02\x43\x2d\x08\xab\x3e\x9a\x3f\x86"
      "\x75\xe4\x7b\x43\x9d\xb5\xc2\x56\x2a\xbf\x3d\xb7\x87\xf7\x61\x89\x1d\xc7"
      "\xa7\xbd\xe7\x2b\x01\xf7\x20\xbb\x60\x5b\xab\x90\xe4\x40\x29\x30\xae\x76"
      "\xc3\x9a\xd5\xc5\xfe\x5b\xfa\x98\xf3\xac\x0a\xef\x13\x3c\x6d\x15\x18\x2d"
      "\xd2\x1d\xb6\xad\xdb\x4a\x6a\x2a\x77\x12\xf4\xc5\xd9\x87\x67\x3a\x79\x72"
      "\xef\x62\x60\xf9\xe9\x30\xd0\xdd\xe2\x23\x25\xed\x47\x8c\xf6\x20\x7a\x84"
      "\x7a\x13\x1a\x00\x84\xa3\x2e\xc2\x5f\xaf\xa2\xce\x2a\x07\x14\x73\x55\x15"
      "\xea\x0d\xd5\xe4\x0d\x81\xd8\x86\xbd\x39\xe2\xb6\x92\xb6\x06\x72\x5a\x50"
      "\x05\xa3\x1c\x4e\x72\xd9\xfe\x68\xed\x47\x9e\xbf\xb7\x06\x82\xab\x8f\x6d"
      "\x8d\x54\x7a\xd3\x81\x20\x5c\x2f\x1f\x8d\x73\xa7\x15\xd1\x22\x12\xbb\x12"
      "\x17\x54\xf8\xb7\x30\x49\xe9\x02\x4d\x5a\x4b\x83\x6e\x5f\x85\x2d\xc7\xe1"
      "\x4e\xf0\x9f\xac\x46\xaa\x2b\x81\xb2\x39\xdf\xf8\xb5\xfa\x0c\xe3\xb8\x44"
      "\xd5\xc3\x4b\xa1\x4d\x19\x96\x3b\x7e\xcd\x0e\x8a\x24\x24\xaa\x4f\xb1\xda"
      "\xcb\xf6\xce\x37\xee\x8a\xe6\x92\x77\x6e\xad\x3a\x9a\xfc\x77\x6e\x48\x91"
      "\xfc\x06\x12\x58\xad\xee\xe6\x45\x24\x19\xde\x92\x18\x34\x88\x09\x1b\x5d"
      "\x4f\x8c\x19\x0c\xbb\x49\xe9\xe3\xa5\xc8\x3b\xf9\xe7\xb8\x2a\x41\xe0\xfa"
      "\x4f\x6d\xa3\x74\x13\x08\x4c\x2b\x23\x41\x04\x32\x2c\xde\x6b\x33\x1f\xfb"
      "\x2a\xef\x1b\x4a\xba\xd8\xbd\x50\x96\xc8\xed\xb2\xd1\x08\x21\x14\x20\x43"
      "\x7d\xd2\x6d\x89\xd5\xd9\x22\x33\xc1\x8c\xad\xff\x7b\x89\xb8\x76\xca\x01"
      "\x39\x23\xe4\xcf\x4f\x5d\xfd\x50\xa0\x48\x5e\x20\x51\xc7\x33\x9b\x62\xc5"
      "\x93\xda\x58\xa8\x4c\x34\xb5\xf7\x6d\xea\x72\x69\x9d\x72\x77\x51\xe4\x8c"
      "\xc6\x97\x81\x89\x32\xcb\xcb\x18\x14\x98\x38\x82\xfd\x9c\x85\xdb\x64\xc9"
      "\x7c\x3f\x7a\x03\xb4\x42\x81\xb0\xd2\x82\xa2\x00\x12\x75\x82\xf9\x17\xab"
      "\x0c\xe9\x07\x45\xb7\x71\x37\x08\xd6\x31\x5b\xb6\x95\xcf\x9c\x06\x09\xb7"
      "\xfe\x3d\x39\x0c\xca\xe0\x4f\x3e\xe4\x45\x5b\x47\x0d\x1c\x4f\x30\xdf\x47"
      "\x2a\x69\x61\xd8\xde\x8f\x7f\x52\x01\xb0\x59\x65\x70\x0e\x39\x08\x19\x80"
      "\x4a\xc7\xc6\x44\x73\xe0\x1d\xef\x95\x21\xb3\x34\x65\x50\xa1\x82\xee\x80"
      "\xb8\xe0\xf7\xb3\xf7\x58\x7e\xd7\x5a\xaf\x23\x71\x49\x71\xf6\xf7\xf7\xdb"
      "\x3e\x47\x5d\x8b\xf1\xd2\x3e\x5b\x6f\xb2\x12\x3d\xf9\x0a\x9a\xad\x8c\x8c"
      "\x1c\x60\x08\xa1\x0c\xb0\x62\x80\xc6\xac\xce\x97\x5d\x59\x4f\xb4\xf2\xb3"
      "\xf6\x56\xa8\xcb\x5b\xde\x30\x0b\xde\xaa\x2d\x7e\x92\x85\x99\xfc\xab\xba"
      "\xb3\xb2\x81\x2d\xb2\x3d\x94\xd8\x9f\x7f\x0a\x6a\x15\x2a\x24\xaa\xa3\x7d"
      "\xf6\x15\xbc\xd8\xb4\xc1\xb4\x3b\xde\x3b\x93\x43\x93\x25\x56\xd7\xae\x09"
      "\x31\x54\x02\xf8\x78\x64\xbc\xff\x31\x82\x90\xb4\x53\xf8\x2c\xdd\xb8\x41"
      "\xc7\xd0\xbb\xe2\x25\x27\xfd\x57\x08\x3c\xeb\xe0\xcf\xd4\x05\xcd\x0b\xd1"
      "\x50\x24\x1c\xbe\x99\x95\x5f\xd3\x2c\x17\x80\x8a\xb1\x1a\x27\x84\x9d\x79"
      "\x49\x05\x47\x27\xf2\x2c\x1a\x17\x0c\xf5\x49\xc2\x0f\xfc\x1d\xd2\x61\x83"
      "\x37\x5f\x61\x70\xec\x85\xf3\xc7\x7f\xef\xc5\xeb\xaf\x74\x1d\xc8\x22\x5d"
      "\x44\x81\xd6\x83\xfc\xfc\x0a\x91\xf9\x9e\x42\x4f\xa3\x4b\x19\xf5\xc9\x85"
      "\x36\xd9\x95\xe1\x61\x5f\xf9\x12\x6d\x45\x5f\x5e\xca\xd6\x5b\x27\x1c\xd3"
      "\xd4\x0d\x0a\x8a\x19\x03\xa6\x08\x96\x94\xc5\x56\xc5\x44\x73\x45\xf3\x47"
      "\x89\xf2\x06\x08\x01\xa9\xfa\x06\x96\x24\x62\xf0\x71\xb8\xd7\x81\x9f\x13"
      "\x5b\xed\xe8\xa5\x28\x96\x72\xae\x5e\x00\x82\xe9\x1d\xb1\xc6\xc4\x45\x78"
      "\x18\x54\x0b\x5d\xd4\xd0\x32\x07\xa4\x61\x6e\x2b\xc4\x29\x91\xf1\xc1\xcb"
      "\xf7\x75\x8f\x69\xba\x54\x24\x7b\x10\xe8\xae\x8d\x8d\x1d\x87\xfd\x05\x96"
      "\x5f\x1d\x34\xa9\x8f\x87\xc3\x11\xd9\x3c\xef\x96\xee\x03\x41\xde\x26\xe6"
      "\x16\x41\xf6\x32\x80\x90\xb7\xd7\x61\x3e\x27\x50\x5a\xd6\x61\xe4\x61\x12"
      "\x34\x89\x0f\x6e\x83\x6a\x13\x4f\xbd\x2c\xa9\x26\xcc\x8f\x4a\xa6\x7e\x04"
      "\xc5\x95\x4e\x56\x6d\xe0\x8a\x90\x98\x44\x09\x4d\xe0\xe0\x40\x6d\x05\xe8"
      "\x26\xa1\x24\x6d\x99\xf7\xdb\x0c\xdf\x27\x99\xe9\x37\x3a\x4e\x73\x49\x18"
      "\xd5\x58\xfc\x73\x66\x20\xf1\xc5\x74\xcb\x07\x4c\x12\xab\x79\xcd\x64\xe1"
      "\x5d\x5b\xca\xdf\xcd\x34\xda\xc4\x34\x3c\x2b\x2d\x39\xc6\x94\x7c\x85\xf3"
      "\xab\x83\xb7\xf8\xeb\x0f\x6f\x68\x0e\xac\x3e\x4a\xf0\xff\x0e\x93\x44\x6d"
      "\x25\x20\xad\xe4\xca\x35\xa4\x4e\xc4\x3e\x2c\x5b\x64\xd6\x29\xfc\xf3\x66"
      "\x2a\x7e\x7d\xa3\xc4\x08\x4a\xfe\xd1\x71\x63\x52\xd1\x26\xf5\x4b\x60\x8e"
      "\xf2\xe8\xec\xe9\xa6\x42\x0d\x16\x9f\x2b\xe4\xfa\x5e\x42\x96\x40\x47\x27"
      "\x88\x74\xf7\x5b\x74\xa9\x08\x13\x1e\x7c\xff\xae\xd0\x6e\xd9\x79\xfd\x8f"
      "\xf3\xd6\x1b\x31\x1f\x44\x5c\xbd\x65\x0f\xb4\x67\xb8\x81\x27\x56\xbd\x90"
      "\xa4\x94\xb7\xfc\x99\x67\xa5\xe1\xec\x81\x38\x83\xa9\x98\x94\x25\x01\x70"
      "\x80\x41\x1d\xf8\x26\xe8\xcf\x2b\x62\x5e\x83\x2a\x68\xf9\x55\x54\x61\xfb"
      "\xde\x23\x86\xf4\x3e\xe8\xdd\xf4\xd8\x65\x93\xc8\xbd\xa7\x77\xe6\xb6\x38"
      "\x36\xa4\xbd\x70\xf0\x19\xa4\xca\x01\xae\xcf\x58\x1a\x66\x97\xb7\x61\x52"
      "\xb7\xa0\x6e\xa4\x3b\x21\xac\x7d\x74\xae",
      4096));
  syscall(__NR_setxattr, /*path=*/0x200000000000ul, /*name=*/0x200000000500ul,
          /*val=*/0x200000001600ul, /*size=*/0x841ul,
          /*flags=XATTR_CREATE*/ 1ul);
}
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;
  if ((reason = setup_swap()))
    printf("the reproducer may not work as expected: swap setup failed: %s\n",
           reason);
  install_segv_handler();
  do_sandbox_none();
  return 0;
}