// https://syzkaller.appspot.com/bug?id=a7cac9d0ffe70c269e582ecfb859da13ae31e5bc
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

static void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

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

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

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

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

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$iso9660 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {69 73 6f 39 36 36 30 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYRES8: ANYRES8 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {c0 14 ef 44 04 23 6f 9d 64 6f ae 87 87 90 85 13
  //          3a d8 97 52 19 d7 c5 b0 e1 7d d8 6d 11 be de 6a df c3 2e ed 7f 19
  //          fa 34 88 0c ce 7e c7 99 0f 63 e5 d7 99 6e 33 04 4e e8 a4 b2 e6 b4
  //          3a 7c 6d 25 d5 08 06 2b d3 33 3b 86 45 3b c2 f0 2b 26 17 ad ec d3
  //          d5 a0 ea 75 61 f9 f6 3d ea 03 c7 f7 d0 fd ec 63 3a 94 74 1d 77 d3
  //          10 4b a5 7f 74 dc e4 b0 1b e3 42 dc c7 b2 df 0a 45 0a c4 0e 4f be
  //          4b eb d4 f6 0d f3 18 fb 46 9f 80 23 75 dc 7a 08 f4 64 9f 9e d5 b3
  //          84 d3 0b 0f d9 64 d7 4d 91 db 02 3b 61 78 88 d7 b5 6c b0} (length
  //          0xa7)
  //        }
  //        union ANYUNION {
  //          ANYRESOCT: ANYRES64 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x570 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x570)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000080, "iso9660\000", 8);
  memcpy((void*)0x2000000000c0, "./file0\000", 8);
  *(uint8_t*)0x2000000001c0 = 0;
  memcpy((void*)0x2000000001c1,
         "\xc0\x14\xef\x44\x04\x23\x6f\x9d\x64\x6f\xae\x87\x87\x90\x85\x13\x3a"
         "\xd8\x97\x52\x19\xd7\xc5\xb0\xe1\x7d\xd8\x6d\x11\xbe\xde\x6a\xdf\xc3"
         "\x2e\xed\x7f\x19\xfa\x34\x88\x0c\xce\x7e\xc7\x99\x0f\x63\xe5\xd7\x99"
         "\x6e\x33\x04\x4e\xe8\xa4\xb2\xe6\xb4\x3a\x7c\x6d\x25\xd5\x08\x06\x2b"
         "\xd3\x33\x3b\x86\x45\x3b\xc2\xf0\x2b\x26\x17\xad\xec\xd3\xd5\xa0\xea"
         "\x75\x61\xf9\xf6\x3d\xea\x03\xc7\xf7\xd0\xfd\xec\x63\x3a\x94\x74\x1d"
         "\x77\xd3\x10\x4b\xa5\x7f\x74\xdc\xe4\xb0\x1b\xe3\x42\xdc\xc7\xb2\xdf"
         "\x0a\x45\x0a\xc4\x0e\x4f\xbe\x4b\xeb\xd4\xf6\x0d\xf3\x18\xfb\x46\x9f"
         "\x80\x23\x75\xdc\x7a\x08\xf4\x64\x9f\x9e\xd5\xb3\x84\xd3\x0b\x0f\xd9"
         "\x64\xd7\x4d\x91\xdb\x02\x3b\x61\x78\x88\xd7\xb5\x6c\xb0",
         167);
  sprintf((char*)0x200000000268, "%023llo", (long long)-1);
  memcpy(
      (void*)0x200000001080,
      "\x78\x9c\xec\xdd\x51\x6f\xd3\x56\x1b\xc0\xf1\xc7\xa5\x85\x92\x57\x42\xe8"
      "\xe5\x15\x42\x55\x81\x43\x79\x27\x15\xa9\x04\x27\x85\xa0\x88\x2b\xcf\x39"
      "\x49\x0f\x38\x76\x64\x3b\xa8\xbd\x42\x15\x4d\x51\x45\x0a\x13\x65\xd2\xda"
      "\x9b\x8d\x1b\xb6\x49\xdb\x87\xe0\x76\x1f\x62\x9f\x60\xdf\x63\x57\x68\xdf"
      "\x60\x9d\x6c\x27\x6d\xb3\x36\x0d\xd0\x36\x41\xe5\xff\xab\xe0\x38\xf6\xb1"
      "\xcf\x73\x9c\xc8\x8f\x4e\x1b\x1f\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x10\xcb\xad\xd8\x76\xc1\x12\xcf\xf8\xcd\x45\xd5\x9f\x5b\x09\x83"
      "\xfa\xee\xcb\xce\xde\xfb\x56\xc8\xad\x9e\xe2\x90\x76\x45\xac\xe4\x9f\x4c"
      "\x4e\xca\x95\x6c\xd5\x95\xff\x89\x8c\x75\x36\x5f\x4e\xfe\x9b\x91\xe9\xec"
      "\xd5\xb4\x4c\x26\xc5\xa4\x6c\xfd\xe7\xf2\xc5\x07\x97\xc6\xc7\xba\xfb\x1f"
      "\x12\xf0\x50\x6c\x6c\x6e\x3d\x5f\x6e\xb7\x5b\xaf\x46\x1d\xc8\x09\xba\x7a"
      "\xae\xff\xb6\x9a\xf6\x4d\x14\x98\xba\x53\xd3\xca\x44\x81\x2a\x97\x4a\xf6"
      "\x9d\x85\x6a\xa4\xaa\xc6\xd3\xd1\x52\x14\xeb\xba\x72\x43\xed\xc4\x41\xa8"
      "\x66\xdd\x5b\xaa\x50\x2e\xcf\x2b\x9d\x5f\x0a\x9a\x7e\xad\xe2\x78\xba\xbb"
      "\xf2\xfe\xed\xa2\x6d\x97\xd4\xc3\x7c\x43\x3b\x61\x14\xf8\x77\x1e\xe6\x23"
      "\x77\xc1\x78\x9e\xf1\x6b\x69\x9d\x64\x73\x52\xe7\x7e\xf2\x41\x7c\x64\x62"
      "\x15\x6b\xa7\xae\xd4\xea\x5a\xbb\x35\x3f\xa8\x03\x49\xa5\xc2\x87\x54\x2a"
      "\x0e\xaa\x54\xb4\x8b\xc5\x42\xa1\x58\x2c\x94\xee\x95\xef\xdd\xb7\xed\xf1"
      "\x7d\x2b\xec\x7f\x91\x7d\x35\xba\x1f\xda\x3f\xfe\xdc\xde\x1e\xd4\x1e\x4e"
      "\xa3\xe3\xbd\x80\x03\x47\x30\xd6\xc9\xff\xe2\x89\x11\x5f\x9a\xb2\x28\xea"
      "\xc0\x1f\x57\x2a\x12\x4a\x20\xf5\x3e\xdb\x3b\xba\xf9\xff\xab\x3b\xfa\xd0"
      "\x76\xf7\xe6\xff\x6e\x96\xbf\xb2\xbb\x79\x4a\xd2\xfc\x7f\x2d\x7b\x75\xad"
      "\x5f\xfe\xef\x13\xcb\xf0\x7e\x36\x64\x53\xb6\xe4\xb9\x2c\x4b\x5b\xda\xd2"
      "\x92\x57\x23\x8f\x68\xb8\x3f\x35\xd1\xe2\x8b\x91\x48\x02\x31\x52\x17\x27"
      "\x5d\xa3\x3a\x6b\x94\x94\xa5\x24\x25\xb1\xe5\x89\x2c\x48\x55\x22\x51\x52"
      "\x15\x23\x9e\x68\x89\x64\x49\x22\x89\x45\xa7\x9f\x28\x57\x42\xd1\xe2\x48"
      "\x2c\x81\x84\xa2\x64\x56\x5c\xb9\x25\x4a\x0a\x52\x96\xb2\xcc\x8b\x12\x2d"
      "\x79\x59\x92\x40\x9a\xe2\x4b\x4d\x2a\xe2\xa4\x47\x59\x95\xb5\xf4\xbc\xcf"
      "\x8b\xb2\xfa\xc5\xb8\x53\xa9\xd0\xb7\x1b\xb9\xee\xe7\xae\x25\xc5\x43\x7a"
      "\x7b\x9c\xf9\x1f\x5f\xaa\x63\xbd\x7e\x03\x47\xb1\xdd\xcd\xff\x00\x00\x00"
      "\x00\x00\xe0\xd4\xb2\xd2\xdf\xbe\x27\xe3\xff\x09\xb9\x9a\x2e\x55\x8d\xa7"
      "\xed\x51\x87\x05\x00\x00\x00\x00\x00\x8e\x51\xfa\x97\xff\xe9\xa4\x98\x48"
      "\x96\xae\x8a\xc5\xf8\x1f\x00\x00\x00\x00\x80\xd3\xc6\x4a\xef\xb1\xb3\x44"
      "\x24\x27\xd7\xb3\xa5\x55\xb1\xd2\xdb\xa5\xf8\x25\x00\x00\x00\x00\x00\x00"
      "\xa7\x44\xfa\xf7\xff\x6b\x49\x91\xce\x81\x72\x5d\xac\x9d\xe9\x52\x18\xff"
      "\x03\x00\x00\x00\x00\x70\x4a\xfc\x34\x70\x8e\xfd\xa8\x71\xce\xfa\xfd\x2f"
      "\x09\xc3\x09\xeb\x4d\x63\xf1\xff\xd6\xba\x93\xd4\x73\xd6\xcf\x64\xfb\x65"
      "\xc5\x9b\xdd\x23\xc6\xd5\x29\xeb\x42\xe7\x20\x69\x51\xca\x8a\xf1\x71\x57"
      "\x4f\x5b\x93\x59\xa5\x9d\x49\x30\xdf\x77\x8a\xd5\x41\x71\x58\x07\x05\xf0"
      "\xc3\x4e\x00\x32\x38\x80\x4b\xe3\xf2\x8b\xdc\xc8\xea\xdc\x58\xc9\xca\x95"
      "\xee\x96\xac\x95\x5c\xd5\x78\x3a\xef\x06\xde\x83\x82\x38\xce\x85\xb1\x58"
      "\x2f\xc6\xdf\xbe\x58\xfb\x4e\xd2\xee\xff\xec\xd7\x2f\x58\xb2\xba\xd6\x6e"
      "\xe5\x9f\xbe\x6c\xaf\xa4\xb1\xa4\x1d\x7f\xb3\xde\x99\x40\x71\xdf\x3c\x8a"
      "\x87\xc4\xf2\x3a\x9d\x6f\x21\xbd\xe7\xa2\xa7\xc7\xde\xdf\xd9\xea\x89\xf4"
      "\x46\x8c\x4e\xbb\xb9\xac\x5d\x7b\x6f\xff\x3b\xcf\x4a\x18\xfb\x88\x36\xdf"
      "\xca\x4c\x56\x67\xa6\x33\xe3\x6d\xae\xb7\xff\x93\x49\x9b\x85\x7c\x4f\xef"
      "\x93\x6d\x3b\x51\x4c\xca\x5a\xbb\x55\x38\x62\xcf\xdf\xca\xcd\xac\xce\xcd"
      "\xd9\x9b\x59\x71\x40\x14\xc5\x7c\xbf\xf7\xa0\x73\x2e\x8a\x7b\xa3\xf8\xa4"
      "\x73\xb1\x3f\x0a\xab\x27\x8a\xf3\x22\x32\x28\x8a\xf9\x7e\x51\x58\x1f\x16"
      "\x05\x00\x8c\xca\x6a\x9f\x2c\xb4\x9b\xff\xf7\xe5\xdd\x4f\xb8\xd6\x7e\x5a"
      "\x76\x97\x8f\xcc\xee\x6f\x65\x36\xab\x33\x3b\x95\x5e\x58\xc7\xa7\x0e\xc8"
      "\x2b\xf6\xa0\x2b\xba\x7d\xc4\xec\xf6\xdb\xbe\x67\x20\xf5\xcb\xb1\x49\xbb"
      "\xbf\xee\xb4\x9b\x65\xd5\x77\xc9\x0e\xef\xfa\xb6\x1b\x79\x45\x2b\x39\x85"
      "\x67\x5e\xaf\x7f\x23\x97\x37\x36\xb7\x6e\xaf\xad\x2f\x3f\x6b\x3d\x6b\xbd"
      "\x28\x16\xe7\x4b\xf6\x5d\xdb\xbe\x57\x94\x89\xb4\x1b\x9d\x62\x4f\xa4\xdb"
      "\xe7\xc8\x3d\x00\x80\xcc\xe0\x67\xec\x0c\xac\x61\xdd\xcd\x46\xd5\x17\x45"
      "\x0e\x1e\x55\xff\x77\xe7\x2b\x05\x79\x79\x2a\x2f\xa5\x2d\x2b\x32\x97\xde"
      "\x6d\x90\x7e\xe3\xe0\xc0\xa3\xe6\xf6\x7c\x0d\x61\x6e\xc0\xa8\x35\x97\xa6"
      "\xc9\xec\x09\x2f\x73\x87\x8c\x2d\xcf\xa6\x77\x39\x74\x8f\x5b\x3c\xb4\x6e"
      "\x6f\x0c\xf3\xc3\x78\x2b\x00\x00\x18\x9a\x99\x01\x79\xf8\x43\xf2\xff\xdc"
      "\x80\x71\x77\x6f\x2e\xef\x1d\x1d\x9f\x95\x7e\x75\x0b\x43\x3f\x17\x00\x00"
      "\x7c\x29\x74\xf8\xde\xca\xc5\x3f\x5a\x61\x68\x1a\x4f\x0a\xe5\x72\xc1\x89"
      "\x17\xb4\x0a\x03\xf7\x91\x0a\x4d\xa5\xa6\x95\xf1\x63\x1d\xba\x0b\x8e\x5f"
      "\xd3\xaa\x11\x06\x71\xe0\x06\x5e\xb2\xf0\xd8\x54\x74\xa4\xa2\x66\xa3\x11"
      "\x84\xb1\xaa\x06\xa1\x6a\x04\x91\x59\x4c\x9f\xfc\xae\x3a\x8f\x7e\x8f\x74"
      "\xdd\xf1\x63\xe3\x46\x0d\x4f\x3b\x91\x56\x6e\xe0\xc7\x8e\x1b\xab\x8a\x89"
      "\xce\xab\x46\xf3\x6b\xcf\x44\x0b\x3a\x4c\x77\x8e\x1a\xda\x35\x55\xe3\x3a"
      "\xb1\x09\x7c\x15\x05\xcd\xd0\xd5\x79\xa5\x22\xad\xf7\x54\x34\x15\xed\xc7"
      "\xa6\x6a\x92\x45\x5f\x35\x42\x53\x77\xc2\x25\xf5\x38\xf0\x9a\x75\xad\x2c"
      "\xb1\x24\x34\x8d\x38\xc8\x0e\xd8\x6d\xcb\xf8\xd5\x20\xac\xa7\x87\xcd\x8f"
      "\xfa\x64\x03\x00\xf0\x99\xd8\xd8\xdc\x7a\xbe\xdc\x6e\xb7\x5e\x9d\xe0\xc2"
      "\xa8\xfb\x08\x00\x00\x7a\x91\xa5\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xf8\xfc\x0d\xe3\xfe\x3f\x16\x46\xb1\x70\xb6"
      "\xf3\x0e\x0f\xa1\xad\xee\x54\xd0\xa3\xee\xf2\x09\x2f\x58\x43\xed\xe0\xb8"
      "\x88\x8c\xb2\xcb\x03\x2f\x1d\xdf\x9f\xe8\x85\x09\xc0\x89\xfb\x27\x00\x00"
      "\xff\xff\x18\x49\x4b\x68",
      1392);
  syz_mount_image(/*fs=*/0x200000000080, /*dir=*/0x2000000000c0, /*flags=*/0,
                  /*opts=*/0x2000000001c0, /*chdir=*/1, /*size=*/0x570,
                  /*img=*/0x200000001080);
  //  open_by_handle_at arguments: [
  //    mountdirfd: fd (resource)
  //    handle: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {20 00 00 00 02 00 00 00 1d} (length 0x9)
  //        }
  //      }
  //    }
  //    flags: open_flags = 0x0 (8 bytes)
  //  ]
  memcpy((void*)0x200000000180, "\x20\x00\x00\x00\x02\x00\x00\x00\x1d", 9);
  syscall(__NR_open_by_handle_at, /*mountdirfd=*/0xffffff9c,
          /*handle=*/0x200000000180ul, /*flags=*/0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  use_temporary_dir();
  loop();
  return 0;
}