// https://syzkaller.appspot.com/bug?id=8213f8695d54a1cea6add76c0909ea2db226d486
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <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/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_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif
#ifndef __NR_pidfd_open
#define __NR_pidfd_open 434
#endif

static unsigned long long procid;

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

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

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

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

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

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

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

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

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

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

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

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

#define USLEEP_FORKED_CHILD (3 * 50 * 1000)

static long handle_clone_ret(long ret)
{
  if (ret != 0) {
    return ret;
  }
  usleep(USLEEP_FORKED_CHILD);
  syscall(__NR_exit, 0);
  while (1) {
  }
}

static long syz_clone(volatile long flags, volatile long stack,
                      volatile long stack_len, volatile long ptid,
                      volatile long ctid, volatile long tls)
{
  long sp = (stack + stack_len) & ~15;
  long ret = (long)syscall(__NR_clone, flags & ~CLONE_VM, sp, ptid, ctid, tls);
  return handle_clone_ret(ret);
}

static long syz_pidfd_open(volatile long pid, volatile long flags)
{
  if (pid == 1) {
    pid = 0;
  }
  return syscall(__NR_pidfd_open, pid, flags);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

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

uint64_t r[5] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  mkdir arguments: [
  //    path: nil
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mkdir, /*path=*/0ul, /*mode=*/0ul);
  //  mkdir arguments: [
  //    path: nil
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mkdir, /*path=*/0ul, /*mode=*/0ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x4c (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0x4cul);
  //  prlimit64 arguments: [
  //    pid: pid (resource)
  //    res: rlimit_type = 0xe (8 bytes)
  //    new: nil
  //    old: nil
  //  ]
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul, /*new=*/0ul,
          /*old=*/0ul);
  //  syz_mount_image$hfsplus arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 70 6c 75 73 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {13 13 77 c5 fc 35 d4 14 54 d5 d4 1d 29 ad 1a 60 29 59 81 46
  //      e6 be 16 6e 41 ad 0d bd 40 54 03 3c 9f 33 bb da 82 24 a2 f3 d7 72 e7
  //      63 6e 48 b3 3c bf 70 83 72 e8 f1 b9 93 3e c5 12 77 43 be 22 06 20 9e
  //      f0 2d f9 cb f2 f6 e8 80 d3 38 2f 00} (length 0x4e)
  //    }
  //    flags: mount_flags = 0x3200004 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {63 72 65 61 74 6f 72 3d a8 fa 40 b3 2c 64 65 63
  //          6f 6d 70 6f 73 65 2c 63 72 65 61 74 6f 72 3d bd 1c 66 f5 2c 6e 6c
  //          73 3d 63 70 38 36 39 2c 67 69 64 3d} (length 0x32)
  //        }
  //        union ANYUNION {
  //          ANYRESHEX: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {2c 66 6f 72 63 65 2c 00 f2 d2 d7 83 dc a3 21 ca
  //          06 6f 37 90 66 a9 25 98 37 6c 0a 6f b6 eb b1 86 b9 be 7a 1d 0d eb
  //          d4 c2 ce 34 08 de d0 3a 80 e9 83 9d 59 c9 e7 ee 79 8f 53 e0 38 71
  //          68 29 5d f8 51 a2 41 c8 ce 5a 70 94 00 2f c5 5c 1a 66 f9 e6 09 ea
  //          24 09 39 3a eb 7f 89 02 fc fb 60 db 30 dd e5 0a c8 f6 77 ad 02 2a
  //          b2 0f cf 35 64 4f 00 90 f1 86 1c af 53 46 52 a2 39 e6 35 33 b1 a1
  //          d4 25 1a f7 5b b0 ab 1e 3b ff cf 11 8f 46 4e 5f 29 6a 5e 48 8b c8
  //          04 01 9a bd cd 6d ee d7 0d 74 ab 43 9f f1 b9 83 9c 7a 86 66 ae fe
  //          53 35 65 f6 c6 14 6c fd 6e e4 73 47 c7 dd 23 0d 2b fd dd 5b 17 10
  //          26 82 33 67 db 78 21 b2 c9 b9 36 b8 3c d7 7a 93 74 bf ba 82 53 0c
  //          6b 32 67 13 0c} (length 0xdb)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x3 (1 bytes)
  //    size: len = 0x6b4 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x6b4)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x2000000000c0, "hfsplus\000", 8);
  memcpy((void*)0x200000000980,
         "\023\023w\305\3745\324\024T\325\324\035)\255\032`)"
         "Y\201F\346\276\026nA\255\r\275@T\003<\2373\273\332\202$"
         "\242\363\327r\347cnH\263<\277p\203r\350\361\271\223>"
         "\305\022wC\276\"\006 \236\360-\371\313\362\366\350\200\3238/\000",
         78);
  memcpy((void*)0x200000000a80,
         "\x63\x72\x65\x61\x74\x6f\x72\x3d\xa8\xfa\x40\xb3\x2c\x64\x65\x63\x6f"
         "\x6d\x70\x6f\x73\x65\x2c\x63\x72\x65\x61\x74\x6f\x72\x3d\xbd\x1c\x66"
         "\xf5\x2c\x6e\x6c\x73\x3d\x63\x70\x38\x36\x39\x2c\x67\x69\x64\x3d",
         50);
  sprintf((char*)0x200000000ab2, "0x%016llx", (long long)0);
  memcpy((void*)0x200000000ac4,
         "\x2c\x66\x6f\x72\x63\x65\x2c\x00\xf2\xd2\xd7\x83\xdc\xa3\x21\xca\x06"
         "\x6f\x37\x90\x66\xa9\x25\x98\x37\x6c\x0a\x6f\xb6\xeb\xb1\x86\xb9\xbe"
         "\x7a\x1d\x0d\xeb\xd4\xc2\xce\x34\x08\xde\xd0\x3a\x80\xe9\x83\x9d\x59"
         "\xc9\xe7\xee\x79\x8f\x53\xe0\x38\x71\x68\x29\x5d\xf8\x51\xa2\x41\xc8"
         "\xce\x5a\x70\x94\x00\x2f\xc5\x5c\x1a\x66\xf9\xe6\x09\xea\x24\x09\x39"
         "\x3a\xeb\x7f\x89\x02\xfc\xfb\x60\xdb\x30\xdd\xe5\x0a\xc8\xf6\x77\xad"
         "\x02\x2a\xb2\x0f\xcf\x35\x64\x4f\x00\x90\xf1\x86\x1c\xaf\x53\x46\x52"
         "\xa2\x39\xe6\x35\x33\xb1\xa1\xd4\x25\x1a\xf7\x5b\xb0\xab\x1e\x3b\xff"
         "\xcf\x11\x8f\x46\x4e\x5f\x29\x6a\x5e\x48\x8b\xc8\x04\x01\x9a\xbd\xcd"
         "\x6d\xee\xd7\x0d\x74\xab\x43\x9f\xf1\xb9\x83\x9c\x7a\x86\x66\xae\xfe"
         "\x53\x35\x65\xf6\xc6\x14\x6c\xfd\x6e\xe4\x73\x47\xc7\xdd\x23\x0d\x2b"
         "\xfd\xdd\x5b\x17\x10\x26\x82\x33\x67\xdb\x78\x21\xb2\xc9\xb9\x36\xb8"
         "\x3c\xd7\x7a\x93\x74\xbf\xba\x82\x53\x0c\x6b\x32\x67\x13\x0c",
         219);
  memcpy(
      (void*)0x200000000180,
      "\x78\x9c\xec\xdd\x4f\x6c\x1c\x57\x1d\x07\xf0\xef\x6c\x9c\x75\x36\x48\xa9"
      "\xfb\x2f\x0d\x08\xa9\x56\x23\x55\xd0\x88\xc4\xce\xaa\x24\x48\x48\x0d\x08"
      "\xa1\x1c\x22\x14\xc1\xa5\x57\x2b\x71\x1a\x2b\x9b\xb4\x72\x5c\x94\x56\x88"
      "\x6c\x80\x82\xc4\x89\x13\xea\x81\x43\x51\x15\x0e\x3d\x21\x84\x90\xca\x09"
      "\x51\xce\x48\x48\x5c\x38\xe5\x1e\xa9\x37\x0e\x39\x00\x46\x33\x3b\xbb\x5e"
      "\xdb\x1b\xc7\xdb\xd8\x5e\xb7\xfd\x7c\xa4\xf1\x7b\xb3\x6f\xde\x7b\xbf\xf9"
      "\x65\xfe\x78\x67\x63\x6d\x80\xcf\xad\xf3\xaf\xe6\x60\x37\x45\xce\x9f\xb8"
      "\x70\xab\x5c\xbf\x77\xb7\xdd\xb9\x77\xb7\x7d\xbd\x5f\x4f\x32\x9d\xa4\x91"
      "\x4c\xf5\x8a\x14\xad\xa4\xf8\x28\x39\x97\xde\x92\x2f\x96\x2f\xd6\xc3\x15"
      "\x0f\x9b\xe7\xe5\xfb\x1f\x16\x53\xef\x7e\xd0\xee\xad\x95\x63\xbd\x7f\xb0"
      "\xde\xbe\xb1\x55\xbf\x4d\x46\x6e\xd9\x4d\x0e\x0d\x56\x0e\x24\x99\xed\x55"
      "\xff\xb3\xed\x61\x37\x8d\x57\x2d\xd5\x38\x97\xd6\xc6\x7b\xb8\xe9\xad\x1a"
      "\x8b\x41\xdc\x65\xc2\x8e\xf7\x13\x07\x93\xb6\xba\x49\x77\xad\xb1\xf1\xc8"
      "\xee\xdb\x3f\x6f\x81\x7d\xeb\x76\xef\xbe\xb9\xc9\x4c\x72\x38\xbd\xbb\x6b"
      "\x75\x8b\xab\xaf\x0e\x8f\xbe\x32\x4c\xde\x96\xd7\xa6\xee\xde\xc5\x01\x00"
      "\x00\x00\xbb\x65\xe4\x7b\xf9\x61\x4f\x3c\xc8\x83\xdc\xca\x91\xbd\x09\x07"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3e\x1b\x8a\xde\x77\x06\x16\xf5\xd2"
      "\xe8\xd7\x67\x53\xf4\xbf\xff\xbf\x39\xf4\x9d\xfa\xcd\x09\x87\xfb\x98\xde"
      "\xb9\x52\x15\xdf\x7f\x62\xd2\x81\x00\x00\x00\x00\x00\x00\x00\xc0\x63\x79"
      "\xfe\x41\x1e\xe4\x56\x8e\xf4\xd7\x57\x8b\xea\x33\xff\x17\xaa\x95\x67\xaa"
      "\x9f\x5f\xc8\x9b\xb9\x99\xc5\x2c\xe7\x64\x6e\x65\x21\x2b\x59\xc9\x72\xe6"
      "\x93\xcc\x0c\x0d\xd4\xbc\xb5\xb0\xb2\xb2\x3c\xbf\xb9\xe7\xaf\x53\xf6\x5c"
      "\x5d\x5d\xbd\x5d\xf7\x3c\x3d\xb2\xe7\xe9\xf5\x71\x75\x37\x06\x3a\xea\x7f"
      "\x1a\x6c\xda\x08\x00\x00\x00\x00\x00\x00\x00\x3e\xb7\x7e\x92\xf3\x6b\x9f"
      "\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x7e\x50\x24\x07\x7a"
      "\x45\xb5\x3c\xd3\xaf\xcf\xa4\x31\x95\xe4\x50\x92\x66\x31\x3b\xd8\xbc\x39"
      "\xd1\x60\x77\xc0\x5f\x26\x1d\x00\x00\x00\x00\xec\xbe\x56\x5d\x1e\x29\xfe"
      "\xd7\xab\xac\x16\xd5\x7b\xfe\xa3\xd5\xfb\xfe\x43\x79\x33\x37\xb2\x92\xa5"
      "\xac\xa4\x93\xc5\x5c\xae\x9e\x05\xf4\xde\xf5\x37\xfe\xd1\x6d\x77\xee\xdd"
      "\x6d\x5f\x2f\x97\xcd\x03\x7f\xeb\xe3\xb1\xe2\xa8\x46\x4c\xef\xd9\xc3\xe8"
      "\x99\xe7\xaa\x2d\x9e\x1d\xf4\x38\x9f\xef\xe6\x07\x39\x91\xd9\x5c\xcc\x72"
      "\x96\xf2\xc3\x2c\x64\x25\x8b\x99\xcd\x77\xaa\xda\x42\x8a\xcc\xd4\x4f\x2f"
      "\x66\xee\xdd\x6d\xa5\x1f\xeb\xe6\x78\xcf\xad\x5b\xbb\xb8\x31\xb6\xe7\x87"
      "\xea\x65\x7c\xc7\xaa\x48\x5a\xb9\x92\xa5\x2a\xb6\x93\xb9\xd4\xec\x87\xde"
      "\xa8\xb7\x3b\x36\x34\xdb\x9f\x9a\xc9\x86\x19\xef\x94\xd9\x29\x5e\xa9\x6d"
      "\x33\x47\x97\xeb\xb2\xdc\xa3\x5f\xd5\xe5\x8e\x3b\xf0\x49\x3a\xcd\x54\x7b"
      "\x7e\x70\x90\x91\xb9\x3a\xf7\x65\x36\x9e\x1c\xce\xfb\xe6\xdc\x8f\x79\x9c"
      "\x6c\x9c\x69\x3e\x8d\xc1\x33\xa8\x67\xd6\x66\x29\x57\x37\xce\x74\xe7\xe3"
      "\xe6\xf8\x39\x3f\x5c\x97\x65\xae\x7f\xbe\x5b\x39\xef\x19\xf3\x51\xda\xfa"
      "\x4c\x74\x7f\x59\xae\xf5\x8f\xbe\xa3\x5b\xe7\x3c\xf9\xea\x3f\xff\x7a\xf1"
      "\x6a\xe3\xc6\xb5\xab\x57\x6e\x9e\xd8\xc5\x5d\xda\x1b\x1b\x8f\x89\xf6\x50"
      "\x26\x9e\xdb\x56\x26\x3a\x65\x26\xba\x8f\x91\x89\x43\x8f\x13\xff\xce\x69"
      "\xd6\xd9\xe8\x9d\xc4\xe3\x5d\x2d\x5f\xa8\xfa\x1e\xc9\x52\xbe\x97\xd7\x73"
      "\x39\x8b\x39\x93\xb9\xcc\xe7\x6c\xe6\xf2\x8d\x9c\x4e\x3b\xa7\x87\xf2\xfa"
      "\xec\xd6\x79\xad\xae\x6f\x8d\xf1\xce\xb5\xe3\x5f\xa9\x2b\xe5\x3d\xe9\x17"
      "\x43\xf7\xa6\x3d\x33\xfd\xb0\x86\x32\xaf\x4f\x0e\xe5\x75\xf8\x4a\x37\x53"
      "\xb5\x0d\xbf\xb2\x96\xa5\xa7\xb6\x91\xa5\xa2\x99\xd1\x59\xfa\xd7\xc8\x50"
      "\xa6\xbe\x54\x57\xca\x39\x7e\x3a\x74\xc7\x99\xbc\x8d\x99\x98\x1f\xca\xc4"
      "\xd3\x5b\x67\xe2\xb7\xff\x5d\x4d\x72\xb3\x73\xe3\xda\xf2\xd5\x85\x37\xb6"
      "\x39\xdf\x8b\x75\x59\x9e\xb6\xef\xac\xbf\x36\xbf\xbf\x23\x3b\x34\xbe\x7a"
      "\x77\xcb\xe3\xe5\xa9\xf2\x1f\x2b\xbd\xdb\xc6\xf0\xd1\x51\xb6\x3d\xdd\x6f"
      "\xdb\x90\xaf\x66\xfd\x89\xcb\x54\x3d\xd8\xba\xb6\x66\xaa\xf3\xb9\xd7\xf6"
      "\xa8\x33\xb5\x1c\xe9\xe8\x9d\x51\x23\xf5\xda\x9e\x1b\x39\x4b\xbb\x6a\x3b"
      "\x36\xd4\xb6\xee\xb7\x9c\xbc\x9e\xce\xe0\xb7\x10\x00\xf6\xb1\xc3\x2f\x1d"
      "\x6e\xb6\xee\xb7\xfe\xde\x7a\xaf\xf5\xb3\xd6\xd5\xd6\x85\x43\xdf\x9e\x3e"
      "\x3b\xfd\xe5\x66\x0e\xfe\x6d\xea\xcf\x07\x7e\xdf\xf8\x5d\xe3\x9b\xc5\x4b"
      "\x79\x2f\x3f\xce\x91\x49\x47\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9f\x05\x37\xdf\x7a"
      "\xfb\xda\x42\xa7\xb3\xb8\xbc\x0f\x2b\x69\xec\xf0\x80\x77\x46\x36\xf5\x53"
      "\xd1\x7b\xa5\xb9\x3f\xf6\xfd\xd3\x5a\x99\xde\xea\x88\xfa\x43\x92\x2d\xba"
      "\x37\x27\x11\x73\x2b\xc9\xbe\x48\x5d\xa6\xf6\x60\xae\xe9\x8c\x68\xba\x30"
      "\x78\xa5\x95\x34\x06\xf1\x24\xb9\xb6\x4f\xbe\xe0\x0e\xd8\x0d\xa7\x56\xae"
      "\xbf\x71\xea\xe6\x5b\x6f\x7f\x6d\xe9\xfa\xc2\x6b\x8b\xaf\x2d\xde\x38\x7d"
      "\xf6\xcc\x2b\x67\xda\x5f\x9f\xbf\x7d\xea\xca\x52\x67\x71\xae\xf7\x73\xd2"
      "\x51\x02\xbb\x61\xed\xd7\x80\x49\x47\x02\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x6c\xd7\x58\x7f\x45\xd0\xcc\x27\xfa\xdb\x83\x11\xd3\x16\xdd\x09\xec"
      "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\xf0\xe9\x74\xfe\xd5\x1c\xec\xa6\xc8\xfc\xdc\xc9\xb9\x72"
      "\xfd\xde\xdd\x76\xa7\x5c\xfa\xf5\xb5\x2d\xa7\x92\x34\x92\x14\x3f\x4a\x8a"
      "\x8f\x92\x73\xe9\x2d\x99\x19\x1a\xae\x78\xd8\x3c\x2f\xdf\xff\xf0\x37\x2f"
      "\xbe\xfb\x41\x7b\x6d\xac\xa9\xfe\xf6\x8d\x0d\xfd\xfe\xf8\xef\xd5\xd5\x31"
      "\xf7\xa2\x5b\x2f\x99\x4d\x72\xa0\x2e\x1f\x6d\x7a\x5b\xe3\x5d\xaa\xca\xe6"
      "\xa0\x61\x7c\xc5\x60\x0f\xcb\x84\x1d\xef\x27\x0e\x26\xed\xff\x01\x00\x00"
      "\xff\xff\x47\x83\x07\xa2",
      1716);
  syz_mount_image(
      /*fs=*/0x2000000000c0, /*dir=*/0x200000000980,
      /*flags=MS_LAZYTIME|MS_STRICTATIME|MS_RELATIME|MS_NODEV*/ 0x3200004,
      /*opts=*/0x200000000a80, /*chdir=*/3, /*size=*/0x6b4,
      /*img=*/0x200000000180);
  //  ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD arguments: [
  //    fd: fd_dri (resource)
  //    cmd: const = 0xc00c642d (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0xc00c642d, /*arg=*/0ul);
  //  socket$caif_seqpacket arguments: [
  //    domain: const = 0x25 (8 bytes)
  //    type: const = 0x5 (8 bytes)
  //    proto: int32 = 0x4 (4 bytes)
  //  ]
  //  returns sock_caif
  res = syscall(__NR_socket, /*domain=*/0x25ul, /*type=*/5ul, /*proto=*/4);
  if (res != -1)
    r[0] = res;
  //  setsockopt$CAIFSO_LINK_SELECT arguments: [
  //    fd: sock_caif (resource)
  //    level: const = 0x116 (4 bytes)
  //    opt: const = 0x7f (4 bytes)
  //    arg: nil
  //    arglen: len = 0x0 (8 bytes)
  //  ]
  syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/0x116, /*opt=*/0x7f,
          /*arg=*/0ul, /*arglen=*/0ul);
  //  madvise arguments: [
  //    addr: VMA[0x4000]
  //    len: len = 0x86ac726dff2f4713 (8 bytes)
  //    advice: madvise_flags = 0xa (8 bytes)
  //  ]
  syscall(__NR_madvise, /*addr=*/0x200000bdc000ul, /*len=*/0x86ac726dff2f4713ul,
          /*advice=MADV_DONTFORK*/ 0xaul);
  //  getpid arguments: [
  //  ]
  //  returns pid
  res = syscall(__NR_getpid);
  if (res != -1)
    r[1] = res;
  //  syz_pidfd_open arguments: [
  //    pid: pid (resource)
  //    flags: const = 0x0 (8 bytes)
  //  ]
  //  returns fd_pidfd
  res = -1;
  res = syz_pidfd_open(/*pid=*/r[1], /*flags=*/0);
  if (res != -1)
    r[2] = res;
  //  prlimit64 arguments: [
  //    pid: pid (resource)
  //    res: rlimit_type = 0xe (8 bytes)
  //    new: nil
  //    old: nil
  //  ]
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul, /*new=*/0ul,
          /*old=*/0ul);
  //  sched_setscheduler arguments: [
  //    pid: pid (resource)
  //    policy: sched_policy = 0x2 (8 bytes)
  //    prio: ptr[in, int32] {
  //      int32 = 0x8 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x200000000080 = 8;
  syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0x200000000080ul);
  //  getpid arguments: [
  //  ]
  //  returns pid
  res = syscall(__NR_getpid);
  if (res != -1)
    r[3] = res;
  //  sched_setaffinity arguments: [
  //    pid: pid (resource)
  //    cpusetsize: len = 0x0 (8 bytes)
  //    mask: nil
  //  ]
  syscall(__NR_sched_setaffinity, /*pid=*/0, /*cpusetsize=*/0ul, /*mask=*/0ul);
  //  sched_setscheduler arguments: [
  //    pid: pid (resource)
  //    policy: sched_policy = 0x2 (8 bytes)
  //    prio: nil
  //  ]
  syscall(__NR_sched_setscheduler, /*pid=*/r[3], /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0ul);
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (8 bytes)
  //    prot: mmap_prot = 0xb635773f06ebbeee (8 bytes)
  //    flags: mmap_flags = 0x8031 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000ul,
          /*prot=PROT_GROWSUP|PROT_SEM|PROT_WRITE|PROT_EXEC|0xb635773f04ebbee0*/
          0xb635773f06ebbeeeul,
          /*flags=MAP_POPULATE|MAP_FIXED|MAP_ANONYMOUS|MAP_SHARED*/ 0x8031ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  //  socketpair$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x2 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //    fds: nil
  //  ]
  syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0,
          /*fds=*/0ul);
  //  connect$unix arguments: [
  //    fd: sock_unix (resource)
  //    addr: nil
  //    addrlen: len = 0x0 (8 bytes)
  //  ]
  syscall(__NR_connect, /*fd=*/(intptr_t)-1, /*addr=*/0ul, /*addrlen=*/0ul);
  //  sendmmsg$unix arguments: [
  //    fd: sock_unix (resource)
  //    mmsg: nil
  //    vlen: len = 0x0 (8 bytes)
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_sendmmsg, /*fd=*/(intptr_t)-1, /*mmsg=*/0ul, /*vlen=*/0ul,
          /*f=*/0ul);
  //  recvmmsg arguments: [
  //    fd: sock (resource)
  //    mmsg: nil
  //    vlen: len = 0x0 (8 bytes)
  //    f: recv_flags = 0x2 (8 bytes)
  //    timeout: nil
  //  ]
  syscall(__NR_recvmmsg, /*fd=*/(intptr_t)-1, /*mmsg=*/0ul, /*vlen=*/0ul,
          /*f=MSG_PEEK*/ 2ul, /*timeout=*/0ul);
  //  openat$ubi_ctrl arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: nil
  //    flags: open_flags = 0x8400 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0ul,
                /*flags=O_LARGEFILE|O_APPEND*/ 0x8400, /*mode=*/0);
  if (res != -1)
    r[4] = res;
  //  ioctl$vim2m_VIDIOC_EXPBUF arguments: [
  //    fd: fd_vim2m (resource)
  //    cmd: const = 0xc0405668 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0xc0405668, /*arg=*/0ul);
  //  ioctl$FS_IOC_SETFLAGS arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0x40186f40 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[4], /*cmd=*/0x40186f40, /*arg=*/0ul);
  //  setns arguments: [
  //    fd: fd_namespace (resource)
  //    type: ns_type = 0x24020000 (8 bytes)
  //  ]
  syscall(__NR_setns, /*fd=*/r[2],
          /*type=CLONE_NEWPID|CLONE_NEWNS|CLONE_NEWUTS*/ 0x24020000ul);
  //  syz_clone arguments: [
  //    flags: clone_flags = 0x120e1100 (8 bytes)
  //    stack: nil
  //    stack_len: bytesize = 0x0 (8 bytes)
  //    parentid: nil
  //    childtid: nil
  //    tls: nil
  //  ]
  //  returns pid
  syz_clone(
      /*flags=CLONE_PIDFD|CLONE_NEWUSER|CLONE_NEWCGROUP|CLONE_SETTLS|CLONE_SYSVSEM|0x20100*/
      0x120e1100, /*stack=*/0, /*stack_len=*/0, /*parentid=*/0, /*childtid=*/0,
      /*tls=*/0);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  if ((reason = setup_leak()))
    printf("the reproducer may not work as expected: leak checking setup "
           "failed: %s\n",
           reason);
  loop();
  return 0;
}