// https://syzkaller.appspot.com/bug?id=101b7e71f53b37caf00bf159bd293d6d6512242a
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

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

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

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

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

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

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

uint64_t r[4] = {0x0, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  prlimit64 arguments: [
  //    pid: pid (resource)
  //    res: rlimit_type = 0xe (8 bytes)
  //    new: ptr[in, rlimit] {
  //      rlimit {
  //        soft: intptr = 0x8 (8 bytes)
  //        hard: intptr = 0x88 (8 bytes)
  //      }
  //    }
  //    old: nil
  //  ]
  *(uint64_t*)0x200000000140 = 8;
  *(uint64_t*)0x200000000148 = 0x88;
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul,
          /*new=*/0x200000000140ul, /*old=*/0ul);
  //  sched_setscheduler arguments: [
  //    pid: pid (resource)
  //    policy: sched_policy = 0x2 (8 bytes)
  //    prio: ptr[in, int32] {
  //      int32 = 0x7 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x200000000180 = 7;
  syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0x200000000180ul);
  //  getpid arguments: [
  //  ]
  //  returns pid
  res = syscall(__NR_getpid);
  if (res != -1)
    r[0] = res;
  //  sched_setscheduler arguments: [
  //    pid: pid (resource)
  //    policy: sched_policy = 0x2 (8 bytes)
  //    prio: ptr[in, int32] {
  //      int32 = 0x7 (4 bytes)
  //    }
  //  ]
  *(uint32_t*)0x200000000200 = 7;
  syscall(__NR_sched_setscheduler, /*pid=*/r[0], /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0x200000000200ul);
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (8 bytes)
  //    prot: mmap_prot = 0xb635773f06ebbee2 (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_WRITE|0xb635773f04ebbee0*/ 0xb635773f06ebbee2ul,
      /*flags=MAP_POPULATE|MAP_FIXED|MAP_ANONYMOUS|MAP_SHARED*/ 0x8031ul,
      /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  //  socketpair$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x2 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //    fds: nil
  //  ]
  syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0,
          /*fds=*/0ul);
  //  bpf$PROG_LOAD_XDP arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_xdp
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/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);
  //  unshare arguments: [
  //    flags: unshare_flags = 0x20060400 (8 bytes)
  //  ]
  syscall(__NR_unshare,
          /*flags=CLONE_SYSVSEM|CLONE_NEWPID|CLONE_NEWNS|CLONE_FILES*/
          0x20060400ul);
  //  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);
  //  madvise arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x7fffffffffffffff (8 bytes)
  //    advice: madvise_flags = 0x3 (8 bytes)
  //  ]
  syscall(__NR_madvise, /*addr=*/0x200000000000ul, /*len=*/0x7ffffffffffffffful,
          /*advice=MADV_WILLNEED*/ 3ul);
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: nil
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul, /*f=*/0ul);
  //  socket$netlink arguments: [
  //    domain: const = 0x10 (8 bytes)
  //    type: const = 0x3 (8 bytes)
  //    proto: netlink_proto = 0x0 (4 bytes)
  //  ]
  //  returns sock_netlink
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[1] = res;
  //  sendmsg$nl_route_sched arguments: [
  //    fd: sock_nl_route (resource)
  //    msg: nil
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul, /*f=*/0ul);
  //  syz_mount_image$nilfs2 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {6e 69 6c 66 73 32 00} (length 0x7)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x1080c (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYRES64: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES8: ANYRES8 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESOCT: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {d1 79 4d a8 c0 cc da 03 42 76 e2 8a 25 c4 5c 8e
  //          1e b8 b5 95 a3 7f fd fe 7d 2a 8c 39 72 a6 93 1d 2c bb 0d 8d c9 20
  //          bb de 15 d8 79 0d 46 cc b3 a5 f3 6f f4 12 23 62 51 d8 63 34 f1 75
  //          45 cc ae 88} (length 0x40)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESOCT: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES8: ANYRES8 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESDEC: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESOCT: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0xa7a (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0xa7a)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000180, "nilfs2\000", 7);
  memcpy((void*)0x200000000000, "./file0\000", 8);
  *(uint64_t*)0x200000000440 = 0;
  *(uint8_t*)0x200000000448 = -1;
  sprintf((char*)0x200000000449, "%023llo", (long long)-1);
  memcpy((void*)0x200000000460,
         "\xd1\x79\x4d\xa8\xc0\xcc\xda\x03\x42\x76\xe2\x8a\x25\xc4\x5c\x8e\x1e"
         "\xb8\xb5\x95\xa3\x7f\xfd\xfe\x7d\x2a\x8c\x39\x72\xa6\x93\x1d\x2c\xbb"
         "\x0d\x8d\xc9\x20\xbb\xde\x15\xd8\x79\x0d\x46\xcc\xb3\xa5\xf3\x6f\xf4"
         "\x12\x23\x62\x51\xd8\x63\x34\xf1\x75\x45\xcc\xae\x88",
         64);
  *(uint32_t*)0x2000000004a0 = -1;
  *(uint32_t*)0x2000000004a4 = -1;
  sprintf((char*)0x2000000004a8, "%023llo", (long long)0);
  *(uint8_t*)0x2000000004bf = -1;
  sprintf((char*)0x2000000004c0, "%020llu", (long long)0);
  sprintf((char*)0x2000000004d4, "%023llo", (long long)-1);
  *(uint32_t*)0x2000000004eb = 0;
  memcpy(
      (void*)0x200000000980,
      "\x78\x9c\xec\xdd\x4b\x8c\x1c\x47\x19\x00\xe0\xee\xdd\x9d\xb5\x9d\x38\x78"
      "\x1c\x6c\x62\x9c\x90\xd8\x04\x92\x08\xc8\x6e\xbc\x6b\xcc\xc3\x82\x38\x8a"
      "\x2f\x58\x31\xe2\x16\x29\xe2\x62\x39\x4e\xb0\x70\x0c\xc2\x91\x20\x51\x24"
      "\x6c\x9f\xb8\x91\xc8\x32\x37\xc4\x43\x9c\x72\x89\x00\x21\x91\x0b\xb2\x72"
      "\xe2\x12\x89\x58\xe2\x92\x53\xe0\xc0\x01\xcb\x48\x91\x38\x40\x82\x3d\x68"
      "\x67\xab\x66\x67\x7e\xcf\xa4\x67\xbd\x8f\xde\xd9\xf9\x3e\xa9\xa6\xa6\xbb"
      "\x6a\xba\xaa\x67\x7b\x7a\xfb\x55\x55\x05\x30\xb6\x26\xda\xaf\x8d\xf6\xeb"
      "\xe5\x37\x2f\x1d\xfd\xe7\x43\xff\xd8\xb6\xf0\xfe\xf1\x4e\x8e\x66\xfb\x75"
      "\xaa\x6b\x6a\x21\x77\x99\xa6\xa7\xc2\xf2\xde\x9b\x5c\x8c\x6f\xbc\xff\xca"
      "\xc9\x7e\x71\x59\xcc\xb5\x5f\xf3\xf4\x64\xd7\x67\xef\x2c\x8a\xe2\x7c\xb1"
      "\xaf\xb8\x52\x34\x8b\xbd\x97\xaf\xbe\xf6\xf6\xdc\x53\xc7\x2f\x1c\xbb\xb8"
      "\xff\x9d\xd7\x0f\x5f\x5b\x83\x55\x07\x00\x80\xb1\xf3\xad\x2b\x87\x0f\xee"
      "\xfe\xdb\x5f\xee\xdd\xf9\xc1\x1b\xf7\x1f\x29\xb6\x74\xe6\xe7\xe3\xf3\x66"
      "\x9a\xde\x9e\x8e\xfb\x8f\xa4\x03\xff\x85\x68\xaa\xcc\xe7\x0f\x4b\xe7\x03"
      "\x65\x57\xe8\x36\x1d\xf2\x4d\xa5\x30\x11\xf2\x4d\xf6\xc9\x57\x74\xe5\x6b"
      "\xe4\x7c\x5b\x7b\x3f\x17\xcb\x9f\x0e\xcb\x6d\x0c\xc8\xb7\xa5\xa2\xfc\xc9"
      "\x70\x8e\x52\x86\xfa\xc0\x28\xcb\xdb\x71\xb3\x28\x27\x66\x7a\xa6\x27\x26"
      "\x66\x66\x16\xcf\xc9\x8b\xf6\x79\xfd\x74\x39\x73\xf6\xf4\x99\xe7\xce\xd5"
      "\x54\x51\x60\xd5\xfd\xfb\x81\xa2\x28\xf6\x09\xc2\xb8\x85\xd6\x8e\xce\x8f"
      "\xa0\xf6\xba\xd4\x17\xba\xbe\x05\x80\x5a\xc5\xfb\x85\xb7\x38\x1f\xaf\x2c"
      "\xac\x4c\x67\x69\x53\xc3\x95\x7f\xfd\x89\x89\xfe\x9f\xef\xd5\x58\xcd\x3a"
      "\x32\x3e\xd6\x7b\xfb\x57\x7e\x5c\x7e\x6f\x3d\xd6\xbb\xfc\xaa\xf5\xff\xcd"
      "\x85\x35\x5e\x7f\xc6\xca\xf0\x5b\xd3\xd6\x35\xad\xc7\x6a\xcb\xeb\x95\x7f"
      "\x47\xdb\xd3\x74\xbc\x8f\x10\x9f\x5f\x5a\xee\xfe\x27\x2f\x6f\x32\x2c\x6f"
      "\xd8\x03\x80\x41\xf7\x11\x46\xe5\xfe\xc2\xa0\x7a\x4e\xae\x73\x3d\x6e\xd7"
      "\xa0\xfa\xc7\xed\x62\xb3\xfa\x5a\x8a\xf3\xf7\xf0\xf5\x90\xde\xfd\xfb\x89"
      "\x7f\xd3\x51\xf9\x1b\x03\xfd\xfd\x67\xc3\x5d\xff\xdf\xb6\x54\xb9\xda\xeb"
      "\x22\x08\x9b\x3b\xb4\xea\xdc\xf9\x00\xf5\xaa\x38\xad\x8f\xcf\xcd\xb5\x92"
      "\x9c\x1e\x9f\xeb\x8b\xe9\x5b\x2a\xd2\xb7\x56\xa4\x6f\xab\x48\xbf\xa3\x22"
      "\xfd\xce\x8a\x74\x18\x67\xbf\x7f\xf1\xa7\xc5\xab\x65\xd1\xb7\x3d\x5e\xb1"
      "\x78\xfe\xdf\xfe\xb1\x0c\x7b\x3d\x2c\x5f\x67\xbb\x2b\xc5\x1f\x5b\x66\x7d"
      "\xe2\xf5\xc8\xe5\x5e\x8f\x8b\xcf\xfd\x2e\xd7\x4a\xcb\x8f\xcf\x13\xc3\x46"
      "\xf6\xc7\x13\x4f\x9f\xfa\xf2\xb3\xcf\x5c\x5d\x7c\xfe\xbf\xec\x6c\xff\x37"
      "\xd3\xf6\xbe\x2f\x4d\x37\xd3\x6f\xeb\x4a\xca\x90\xaf\x17\xc6\xeb\xea\x9d"
      "\x67\xff\x9b\xbd\xe5\x4c\x0c\xc8\x77\x77\xa8\xcf\x5d\x7d\xf2\xb7\xdf\xef"
      "\xea\xcd\x57\xee\x5a\x5a\x4e\xd1\xb5\x9f\xb9\xa5\x1e\x7b\x7a\x3f\xb7\x63"
      "\x50\xbe\xfb\x7a\xf3\x35\x43\xbe\x6d\x29\xc4\xc3\xa5\x78\x7c\x72\x47\xf8"
      "\x5c\x3e\xfe\xc8\xfb\xd5\xfc\x7d\x4d\x85\xf5\x6d\x84\xf5\x98\x0e\xf5\xc8"
      "\xfb\x95\x9d\x29\x1e\xad\xbb\x31\x6c\x54\x79\x7b\x1c\xf4\xfc\x7f\xde\x3e"
      "\xf7\x14\x8d\xf2\xb9\xd3\x67\x4e\x3d\x96\xa6\xf3\x76\xfa\xe7\xc9\xc6\x96"
      "\x85\xf9\x07\xd6\xb9\xde\xc0\xca\x0d\xdb\xfe\x67\x4f\xd1\xdb\xfe\x67\x7b"
      "\x67\x7e\x63\xa2\x7b\xbf\xb0\x63\x69\x7e\xd9\xbd\x5f\x68\x86\xf9\x73\x03"
      "\xe6\xcf\xa7\xe9\xfc\x7f\xee\x3b\x93\xdb\xda\xf3\x67\x4e\x7e\xef\xcc\xb3"
      "\xab\xbd\xf2\x30\xe6\xce\xbd\xf4\xf2\x77\x4f\x9c\x39\x73\xea\x07\xde\x78"
      "\xe3\x8d\x37\x9d\x37\x75\xef\x99\x80\xb5\x36\xfb\xe2\x0b\xdf\x9f\x3d\xf7"
      "\xd2\xcb\x8f\x9e\x7e\xe1\xc4\xf3\xa7\x9e\x3f\x75\x76\xfe\xd0\xa1\xf9\xb9"
      "\xb9\x43\x5f\x99\x3f\x38\xdb\x3e\xae\x9f\xed\x3e\xba\x07\x36\x93\xa5\x7f"
      "\xfa\x75\xd7\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\xd6\x0f\x8f\x1d"
      "\xbd\xfa\xd7\xb7\xbe\xf4\xee\x62\xfb\xff\xa5\xf6\x7f\xb9\xfd\x7f\x7e\xf2"
      "\x37\xb7\xff\xff\x49\x68\xff\x1f\xdb\xc9\xe7\x76\xf0\xb9\x1d\xe0\xce\x3e"
      "\xe9\xed\x3c\xa1\x83\xd5\xe9\x90\xaf\x91\xc2\xc7\x43\x7d\x77\x85\x72\x76"
      "\x87\xcf\x7d\x22\xc5\x9d\x71\xfc\x52\xfb\xff\x5c\x5c\xec\xd7\x35\xd7\xe7"
      "\x9e\x30\x3f\xf6\xdf\x9b\xf3\x85\xee\x04\x6e\xe9\x2f\x65\x3a\xf4\x41\x12"
      "\xc7\x0b\xfc\x74\x8a\x2f\xa6\xf8\xd7\x05\xd4\xa8\xfc\x79\xff\xd9\x29\xae"
      "\xea\xdf\x3a\x6f\xeb\xb9\x7f\x0a\xfd\x52\x8c\xa6\xfc\x77\xcb\xfd\x99\xe4"
      "\x7e\x4c\x72\xfb\xef\x41\xfd\x3a\xe5\xfd\xff\xce\xfe\x8b\xfd\xf1\x6a\xd7"
      "\x93\xd5\xb5\x1e\xcd\x09\xeb\x5e\x47\xa0\xbf\x7f\x6d\xb8\xfe\xbf\xd7\x24"
      "\x2c\x75\xf8\x59\x7b\x5d\xba\xce\x18\x6a\xaf\x8b\xb0\xd1\xc2\x8d\x56\xab"
      "\xb5\x9e\xe5\xb5\x5a\x1f\x35\x8a\x87\xb1\xa6\x80\xf5\x53\xf7\xf8\x9f\xf9"
      "\xba\x67\x8e\xcf\xfe\xe9\x1b\x5b\x17\x42\xce\x76\xfd\x89\xde\xfd\x65\xec"
      "\xbf\x14\x56\xa2\xee\xf1\x2f\x6b\x2b\x3f\x5f\x58\x1c\xd7\xf5\x1f\xb2\xfc"
      "\xd5\x1e\xff\xb3\x33\xfe\xdd\xd0\xfb\xbf\x30\x62\x5e\xf3\xf6\xca\xfd\xef"
      "\x2f\xae\xbd\xdb\x55\x6c\xb1\x77\x60\xf9\x5b\x8a\x9e\xf2\xe3\xfa\xe7\x7e"
      "\xa0\x77\x2d\xaf\xfc\x0f\x52\xf9\x79\x6d\x1e\x2e\x06\x95\xdf\xbb\xfe\xad"
      "\x5f\x85\xf2\xe3\x0d\xa1\x21\x7d\x18\xca\xbf\x63\xc8\xf2\xe3\xfa\x5f\x5a"
      "\x6e\xc1\xa9\xc0\xff\xa5\xf2\xf3\xd7\xf6\xc8\x83\xc3\x96\xbf\xb8\x80\x72"
      "\xa2\xb7\x1e\xf1\xba\x71\xbe\xff\x17\xaf\x1b\x67\x37\xc2\xfa\xe7\xbe\x3d"
      "\x97\xbb\xfe\xb7\x3b\x50\xe3\xcd\x54\x3e\x8c\xb3\x51\x19\x67\x76\xb9\x7a"
      "\xc6\xff\xbd\xd0\x5a\xff\xf1\x7f\x57\x38\xc2\x50\x7c\x0e\xe3\x8b\x69\x3a"
      "\xef\x08\xf3\x73\x0e\x71\xbc\x93\xe5\xd6\x3f\x3f\x5f\x91\xff\x0f\xec\x0e"
      "\xcb\x2f\x2b\xfe\xbf\x19\xff\x77\xb4\x7d\x35\xc5\x55\xbf\x87\x3c\xfe\x6f"
      "\xde\x1e\x9b\x7d\xa6\x27\xba\xa6\x1b\x7d\xbe\xdb\xcd\xba\xaf\x81\x51\xf5"
      "\xde\xaa\xdd\xff\xeb\x7a\x62\x6e\x03\xdc\x47\x11\xc6\x27\x94\xb6\xb9\xdb"
      "\x0e\xad\x56\xab\xd6\x9b\x7c\xee\x30\xd6\xab\xee\xef\xbf\xee\xf3\x84\xba"
      "\xcb\xaf\xfb\xfb\xaf\x12\xc7\xff\x8d\xc7\xf0\x71\xfc\xdf\x98\x1e\xc7\xff"
      "\x8d\xe9\x71\xfc\xdf\x98\xde\xbe\xae\xf8\xe1\xd2\xa0\xbd\xf1\xfb\x8a\xe3"
      "\xff\xc6\xf4\x38\xfe\x6f\x4c\xbf\x27\x94\x1b\xc7\x07\xde\x53\x91\xfe\xc9"
      "\x8a\xf4\xbd\x15\xe9\xf7\x56\xa4\xdf\x57\x91\xfe\xa9\x8a\xf4\xfd\x15\xe9"
      "\xf7\x57\xa4\x3f\x50\x91\x7e\x77\x45\xfa\x83\x15\xe9\x9f\x09\x7f\xf1\x98"
      "\xfe\xd9\x8a\xcf\x3f\x54\x91\xfe\xc8\x47\xa7\xcf\xff\xa8\xe2\xf3\x9b\x5d"
      "\x6e\x8f\x32\xae\xeb\x0f\xe3\x2c\xb6\xcf\xf3\xfb\x87\xf1\x91\xef\xff\x0c"
      "\xfa\xfd\xef\xaa\x48\x07\x46\xd7\xcf\xde\x38\xf0\xe4\x33\xbf\xfb\x76\x73"
      "\xb1\xfd\xff\x74\xe7\x7a\x48\xbe\x8f\x77\x24\x4d\x37\xd2\xb9\x73\x3c\x5f"
      "\x8a\xd7\x4f\x26\x53\xda\x5b\x69\xfa\xef\x21\x7d\xa3\x5f\xef\x80\x71\x12"
      "\xfb\xcf\x88\xff\xdf\x1f\xae\x48\x07\x46\x57\x7e\xce\xcb\xef\x1b\xc6\x50"
      "\xd9\xbf\xc7\x9e\x61\xfb\xad\x1a\x74\x9c\xcf\x68\xf9\x5c\x8a\x3f\x9f\xe2"
      "\x2f\xa4\xf8\xd1\x14\xcf\xa4\x78\x36\xc5\x07\x52\x3c\xb7\x4e\xf5\x63\x6d"
      "\x3c\xf9\xdb\x3f\x1c\x7e\xb5\x5c\x3a\xdf\xdf\x11\xd2\x87\x7d\x9e\x3c\xb6"
      "\x07\x8a\xfd\x44\xcd\x0f\x59\x9f\x78\x7d\x60\xb9\xcf\xb3\xc7\x7e\xfc\x96"
      "\x6b\xa5\xe5\xdf\x66\x73\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\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\xda\x4c\xb4\x5f\x0f"
      "\x1e\xdc\x53\x16\xc5\xe5\x37\x2f\x1d\x7d\xfa\xf8\xe9\xd9\x85\x39\x8f\x77"
      "\x72\x34\xdb\xaf\x53\x5d\x53\x8d\xce\xe7\x8a\xe2\xb1\x14\x4f\xa6\xf8\x97"
      "\xe9\xcd\x8d\xf7\x5f\x39\xd9\x1d\xdf\x4c\x71\x59\xcc\x15\x65\x51\x76\xe6"
      "\x17\xdf\xbc\xde\x29\xe9\xce\xa2\x28\xce\x17\xfb\x8a\x2b\x45\xb3\xd8\x7b"
      "\xf9\xea\x6b\x6f\xcf\x3d\x75\xfc\xc2\xb1\x8b\xfb\xdf\x79\xfd\xf0\xb5\xb5"
      "\xfb\x06\x00\x00\x00\x60\xf3\xfb\x7f\x00\x00\x00\xff\xff\x4d\xda\x1c"
      "\x2a",
      2682);
  syz_mount_image(
      /*fs=*/0x200000000180, /*dir=*/0x200000000000,
      /*flags=MS_POSIXACL|MS_NOEXEC|MS_NODIRATIME|MS_NODEV*/ 0x1080c,
      /*opts=*/0x200000000440, /*chdir=*/1, /*size=*/0xa7a,
      /*img=*/0x200000000980);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: nil
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul, /*flags=*/0,
                /*mode=*/0);
  if (res != -1)
    r[2] = res;
  //  ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY arguments: [
  //    fd: fd_dir (resource)
  //    cmd: const = 0x80186e82 (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x80186e82, /*arg=*/0ul);
  //  openat$dir arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 00} (length 0x2)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x82 (2 bytes)
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, ".\000", 2);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x200000000000ul, /*flags=*/0,
                /*mode=S_IWOTH|S_IWUSR*/ 0x82);
  if (res != -1)
    r[3] = res;
  //  ioctl$FITRIM arguments: [
  //    fd: fd (resource)
  //    cmd: const = 0xc0185879 (4 bytes)
  //    arg: ptr[in, fstrim_range] {
  //      fstrim_range {
  //        start: int64 = 0x6 (8 bytes)
  //        len: int64 = 0x656 (8 bytes)
  //        minlen: int64 = 0x4010 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x200000000040 = 6;
  *(uint64_t*)0x200000000048 = 0x656;
  *(uint64_t*)0x200000000050 = 0x4010;
  syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0xc0185879,
          /*arg=*/0x200000000040ul);
  //  sendmmsg arguments: [
  //    fd: sock (resource)
  //    mmsg: nil
  //    vlen: len = 0x0 (8 bytes)
  //    f: send_flags = 0x20000000 (8 bytes)
  //  ]
  syscall(__NR_sendmmsg, /*fd=*/r[1], /*mmsg=*/0ul, /*vlen=*/0ul,
          /*f=MSG_FASTOPEN*/ 0x20000000ul);
}
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;
  loop();
  return 0;
}