// https://syzkaller.appspot.com/bug?id=336d0d6a49a60210954b3df4cc926e5fc7697e68
// 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 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");
  }
  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[2] = {0xffffffffffffffff, 0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000000040, "hfsplus\000", 8);
  memcpy((void*)0x200000000080, "./file1\000", 8);
  memcpy(
      (void*)0x200000001100,
      "\x78\x9c\xec\xdd\x4d\x6c\x1c\x67\xfd\x07\xf0\xef\x6e\x76\xd7\xde\xfc\xff"
      "\x4a\x9d\x36\x49\x03\xaa\x44\xd4\x48\x05\x11\x91\x38\xb1\x92\x62\x2e\x0d"
      "\x08\xa1\x48\x54\xa8\x2a\x07\xc4\xd1\x4a\x9c\xc6\xca\x26\xad\x1c\x17\x39"
      "\x11\x82\xf0\x7e\xe0\xc2\xa1\x77\x8a\x44\x6e\x5c\x40\xe2\x1e\x54\xce\xc0"
      "\xa9\x57\x1f\x2b\x21\x71\xe9\x29\x80\xc4\xa2\x99\x9d\xb5\xd7\xaf\xd9\x75"
      "\x62\xaf\x2d\x3e\x9f\x68\x76\x9e\x67\x9e\x97\x79\x9e\xdf\xcc\xec\xec\xce"
      "\x2a\x72\x80\xff\x59\xd7\xce\xa5\xf1\x38\xb5\x5c\x3b\xf7\xe6\x72\x91\x5f"
      "\x79\x34\xd3\x59\x79\x34\x73\xa7\x9f\x4e\x32\x91\xa4\x9e\x34\x7a\xab\xd4"
      "\xee\x26\xb5\x8f\x92\xab\xe9\x2d\xf9\x4c\xb1\xb1\xea\xae\xb6\xdd\x7e\x3e"
      "\x58\x98\x7d\xfb\xe3\x4f\x57\x3e\xe9\xe5\x1a\xd5\x52\xd6\xaf\xef\xd4\x6e"
      "\x93\x2b\xf5\x2d\x36\x3e\xac\x96\x9c\x49\x72\xa4\x5a\x3f\x83\x75\xfd\x5d"
      "\xdf\xd0\x5f\x6b\xe4\xee\x6a\xab\x33\x2c\x02\x76\xb6\x1f\x38\x18\xb7\x66"
      "\x92\xee\x3a\xdf\x3d\xb5\x56\xf2\x54\xc3\x5f\xb7\xc0\x81\x55\x2b\xef\x9b"
      "\x9b\xaf\xf9\xa9\xe4\x68\x92\xc9\xea\x73\x40\xef\xae\xd8\xbb\x67\x1f\x6a"
      "\x0f\xc7\x3d\x00\x00\x00\x00\xd8\x07\x2f\xfc\xb2\xfc\x0a\x7f\x6c\xdc\xe3"
      "\x00\x00\x00\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\xc3\xa4\xf7\xf7\xff\x8b\x55\xb9"
      "\xd4\xfb\xe9\x33\xa9\xf5\xff\xfe\x7f\xab\xda\x96\x2a\x7d\xa8\x3d\x1e\xf7"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x60\x74\xdf\xfc\xff\x0d\x1b\x3e\xf7\x24"
      "\x4f\xb2\x9c\x63\xfd\x7c\xb7\x56\xfe\xe6\xff\x6a\x99\x39\x51\xbe\xfe\x5f"
      "\xde\xcf\xbd\xcc\x67\x31\xe7\xb3\x9c\xb9\x2c\x65\x29\x8b\xb9\x98\x64\xaa"
      "\x2c\x6f\x96\xaf\xad\xe5\xb9\xa5\xa5\xc5\x8b\x43\xb4\xbc\xb4\xda\x32\x03"
      "\x2d\x2f\x0d\x39\x83\xf6\xee\x27\x0f\x00\x00\x00\x00\x00\x00\x00\x87\x45"
      "\x63\xf4\x26\x3f\xce\xb5\xb5\xdf\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xe0\x20\xa8\x25\x47\x7a\xab\x72\x39\xd1\x4f\x4f\xa5\xde\x48\x32"
      "\x99\xa4\x55\xd4\x7b\x98\xfc\xb5\x9f\x3e\x90\x7e\xfd\xa7\xc1\x5c\xf7\xdf"
      "\xdd\xd2\xa6\x6a\x8f\xf7\x73\x4c\x00\x00\x00\x30\x26\x2f\x3c\xc9\x93\x2c"
      "\xe7\x58\x3f\xdf\xad\x95\xdf\xf9\x4f\x95\xdf\xfb\x27\xf3\x7e\xee\x66\x29"
      "\x0b\x59\x4a\x27\xf3\xb9\x51\x3e\x0b\xe8\x7d\xeb\xaf\xaf\x3c\x9a\xe9\xac"
      "\x3c\x9a\xb9\x53\x2c\x9b\xfb\xfd\xea\x3f\x46\x1a\x46\xd9\x63\x7a\xcf\x1e"
      "\xb6\xde\xf3\xe9\xb2\x46\x3b\x37\xb3\x50\x6e\x39\x9f\xeb\x79\x37\x9d\xdc"
      "\x48\xbd\x6c\x59\x38\xdd\x1f\xcf\xd6\xe3\xfa\x51\x31\xa6\xda\x1b\x95\x21"
      "\x47\x76\xa3\x5a\x17\x33\xff\x55\x9a\x23\xcd\x6a\x37\x6a\x43\xd7\x9c\x2a"
      "\x23\x52\x8c\xa8\x17\x91\xe9\xaa\x6d\x11\x8d\xe3\x3b\x47\x62\xc4\xa3\xd3"
      "\xdf\x53\x3f\xf6\x17\x53\x5f\x7d\xf2\x73\xe2\x79\xc6\x7c\xb9\xb7\x7a\xfd"
      "\xb7\xbd\x75\x31\x9f\x9f\x8f\x14\x93\xbd\xb6\x31\x12\x97\x06\xce\xbe\x53"
      "\x2b\xa9\xed\x10\x89\xe4\xf3\x7f\xfc\xdd\x77\x6e\x75\xee\xde\x9e\xb8\x79"
      "\xef\xdc\xc1\x99\xd2\x08\x26\x06\x9e\xa0\x6d\x8c\xc4\xcc\x40\x24\x5e\xde"
      "\xf9\x9c\x48\x33\x55\x24\x6e\x1d\xd6\x48\x0c\x9a\x2e\x23\x71\x72\x35\x7f"
      "\x2d\xdf\xc8\xb7\x73\x2e\x67\xf2\x56\x16\xb3\x90\xef\x65\x2e\x4b\x99\xcf"
      "\x99\x7c\x3d\x73\x39\x92\xb9\xea\x7c\x2e\x5e\xa7\x76\x8e\xd4\xd5\x75\xb9"
      "\xb7\x9e\x36\x92\x56\x79\x5c\x9a\xd5\xbb\xe8\xf0\x63\x5a\xca\x5c\x5e\x2d"
      "\xdb\x1e\xcb\x42\xbe\x95\x77\x73\x23\xf3\xb9\x52\xfe\xbb\x94\x8b\x79\xbd"
      "\xea\x31\xab\x47\xf8\xe4\x10\x57\x7d\x7d\xb4\x77\xda\xb3\x5f\x18\x78\x98"
      "\xfc\x8b\x24\xed\xe1\xda\xed\x83\x62\x60\xc7\x57\xef\x4e\x83\x67\xfd\x74"
      "\x79\x1d\x1c\x5f\xb7\x65\xed\x3a\x78\xf1\xf9\xdf\x8f\x1a\x9f\xad\x12\xc5"
      "\x3e\x7e\x32\x70\x44\xc6\x6f\x63\x24\x2e\x0e\x44\xe2\xa5\x9d\x23\xf1\x9b"
      "\xf2\x6d\xe5\x5e\xe7\xee\xed\xc5\x5b\x73\xef\x0d\xb9\xbf\xd7\xaa\x75\x71"
      "\x1d\xfd\xec\x40\xdd\x25\x8a\xf3\xe5\xc5\xe2\x60\x95\xb9\xf5\x67\x47\x51"
      "\xf6\xd2\xc6\xb2\xc9\x5e\xbc\x5a\xd5\x2f\x2e\xbd\xb2\xf5\x77\xdc\xa2\xec"
      "\xe4\x6a\xd9\xf6\x57\xea\xe5\x5c\xce\x6c\x59\xfb\xd4\x96\x3d\x5d\x2a\xcb"
      "\x5e\xde\xb2\x6c\xa6\x2c\x3b\x3d\x50\xb6\xee\xf3\xd6\xd5\xde\xe7\x2d\x00"
      "\x0e\xbc\xa3\x5f\x3c\xda\x6a\xff\xbd\xfd\x97\xf6\x87\xed\x9f\xb6\x6f\xb5"
      "\xdf\x9c\xfc\xda\xc4\x97\x27\x5e\x69\xa5\xf9\xe7\xe6\x57\x1a\xd3\x47\x5e"
      "\xab\xbf\x52\xfb\x43\x3e\xcc\x0f\xd6\xbe\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\xbb"
      "\x77\xef\xfe\x83\xdb\x73\x9d\xce\xfc\xe2\x86\x44\xb7\xdb\xfd\xe1\x36\x45"
      "\x7b\x98\x68\x27\xe9\x6f\x49\x9e\xd6\xaa\x99\xa7\xd7\xd9\x9b\x44\x2b\x49"
      "\x99\x68\xf4\x13\xa3\xf5\x33\x31\x54\xe5\xd6\xda\xd1\x79\xe3\xf7\xcf\x32"
      "\xe6\xe6\xa8\xad\x92\xe7\x12\xa8\x46\x75\x92\xdd\x7f\x70\xfb\x9f\xdd\x6e"
      "\x77\xdf\x0f\xd3\x16\x89\xe6\x0e\xe7\xfc\x5a\xa2\x5b\xd9\x54\xd4\x1d\xaa"
      "\xf9\xd8\x12\xff\xea\x3e\xbf\x0e\xc7\xfc\xc6\x04\xec\xb9\x0b\x4b\x77\xde"
      "\xbb\x70\xef\xfe\x83\x2f\x2d\xdc\x99\x7b\x67\xfe\x9d\xf9\xbb\xb3\x97\x2f"
      "\xcf\x4e\xcf\x5e\xbe\xf2\xb7\x0b\x37\x17\x3a\xf3\xd3\xbd\xd7\x71\x8f\x12"
      "\xd8\x0b\x6b\x37\xfd\x71\x8f\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
      "\xd6\x7e\xfc\xb7\x84\x6d\x76\xfd\x9f\x7d\x9e\x2a\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x48\x5d"
      "\x3b\x37\x51\xa5\xce\x4f\x17\xaf\x2b\x8f\x66\x3a\xc5\xd2\x4f\xaf\x56\x2c"
      "\xab\xd5\x93\xd4\xbe\x9f\xd4\x3e\x4a\xae\xa6\xb7\x64\x6a\xa0\xbb\xda\x76"
      "\xfb\xf9\x60\x61\xf6\xed\x8f\x3f\x5d\xf9\xa4\x97\x6b\x54\x4b\x59\xbf\xbe"
      "\xae\x5d\x73\x37\xb3\x78\x58\x2d\x39\x93\xe4\x48\xb5\x1e\x34\xf9\x0c\xfd"
      "\x5d\xaf\xd6\xbb\x1a\x59\xa9\xb6\x3a\xc3\x22\x60\x67\xfb\x81\x83\x71\xfb"
      "\x6f\x00\x00\x00\xff\xff\xdb\x03\x10\x02",
      1684);
  syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000080,
                  /*flags=MS_NOATIME*/ 0x400, /*opts=*/0x200000000140,
                  /*chdir=*/1, /*size=*/0x694, /*img=*/0x200000001100);
  memcpy((void*)0x200000000000, "./bus\000", 6);
  res = syscall(__NR_creat, /*file=*/0x200000000000ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_io_setup, /*n=*/0x202, /*ctx=*/0x200000000200ul);
  if (res != -1)
    r[1] = *(uint64_t*)0x200000000200;
  memcpy((void*)0x200000000040, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
          /*flags=O_CREAT|O_RDWR*/ 0x42, /*mode=*/0);
  *(uint64_t*)0x200000000540 = 0x2000000000c0;
  *(uint64_t*)0x2000000000c0 = 0x25;
  *(uint32_t*)0x2000000000c8 = 0xe7030000;
  *(uint32_t*)0x2000000000cc = 0;
  *(uint16_t*)0x2000000000d0 = 1;
  *(uint16_t*)0x2000000000d2 = 0;
  *(uint32_t*)0x2000000000d4 = r[0];
  *(uint64_t*)0x2000000000d8 = 0x200000000000;
  *(uint64_t*)0x2000000000e0 = 0x70000;
  *(uint64_t*)0x2000000000e8 = 0;
  *(uint64_t*)0x2000000000f0 = 0;
  *(uint32_t*)0x2000000000f8 = 0;
  *(uint32_t*)0x2000000000fc = -1;
  syscall(__NR_io_submit, /*ctx=*/r[1], /*nr=*/0x3bul,
          /*iocbpp=*/0x200000000540ul);
}
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;
}