// https://syzkaller.appspot.com/bug?id=f86606dfb403cc9435c0ed5f17e1d80c110cddef
// 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");
  } 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;
    }
  }
}

void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$hfsplus arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {68 66 73 70 6c 75 73 00} (length 0x8)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0xa00010 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {6e 6f 64 65 63 6f 6d 70 6f 73 65 2c 64 65 63 6f
  //          6d 70 6f 73 65 2c 6e 6f 62 61 72 72 69 65 72 2c 67 69 64 3d}
  //          (length 0x24)
  //        }
  //        union ANYUNION {
  //          ANYRESHEX: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {2c 6e 6c 73 3d 69 73 6f 38 38 35 39 2d 31 00 00
  //          00 00 72 72 69 65 72 2c 00 bc d0 f0 b5 c4 e2 95 79 74 ff 5d 7e a3
  //          c3 dc ee 08 7e 49 83 68 4e 8a 4c 4e 4e 87 b1 34 e3 0c e7 71 62 b1
  //          28 85 b9 64 b3 50 6f f3 ea e0 f3 59 94 47 b1 78 61 d1 9b e7 80 79
  //          e5 dd 7b dc 7f 1e b3 6e 31 ac 14 de 48 34 97 67 16 4f 5f 64 31 bb
  //          de ae f9 6a 4f 2b ce 64 b5 cf a7 6c e3 a2 c4 30 23 74 bc 55 35 d7
  //          e2 eb 8d fb 2e 5d 58 a3 7b 7e 37 83 65 97 c2 1f 51 bc df 6d f4 ca
  //          d8 25 cf d9 ef 5e e9 e8 9e 04 b1 5c d3 ce a9 e1 52 d6 7b 9a 7e ed
  //          c5 df e6 d8 5a 3c e7 c3 42 da 8c c9 69 b5 52 19 7c b8 bc c4 a1 00
  //          9f 38 f4 a8 5b 7c 74 21 01 ba 5b c0 31 15 fe ca 2b 99 4c 69 98 12}
  //          (length 0xd6)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x6 (1 bytes)
  //    size: len = 0x63a (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x63a)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x200000000200, "./file0\000", 8);
  memcpy((void*)0x200000000840, "nodecompose,decompose,nobarrier,gid=", 36);
  sprintf((char*)0x200000000864, "0x%016llx", (long long)0xee01);
  memcpy(
      (void*)0x200000000876,
      "\x2c\x6e\x6c\x73\x3d\x69\x73\x6f\x38\x38\x35\x39\x2d\x31\x00\x00\x00\x00"
      "\x72\x72\x69\x65\x72\x2c\x00\xbc\xd0\xf0\xb5\xc4\xe2\x95\x79\x74\xff\x5d"
      "\x7e\xa3\xc3\xdc\xee\x08\x7e\x49\x83\x68\x4e\x8a\x4c\x4e\x4e\x87\xb1\x34"
      "\xe3\x0c\xe7\x71\x62\xb1\x28\x85\xb9\x64\xb3\x50\x6f\xf3\xea\xe0\xf3\x59"
      "\x94\x47\xb1\x78\x61\xd1\x9b\xe7\x80\x79\xe5\xdd\x7b\xdc\x7f\x1e\xb3\x6e"
      "\x31\xac\x14\xde\x48\x34\x97\x67\x16\x4f\x5f\x64\x31\xbb\xde\xae\xf9\x6a"
      "\x4f\x2b\xce\x64\xb5\xcf\xa7\x6c\xe3\xa2\xc4\x30\x23\x74\xbc\x55\x35\xd7"
      "\xe2\xeb\x8d\xfb\x2e\x5d\x58\xa3\x7b\x7e\x37\x83\x65\x97\xc2\x1f\x51\xbc"
      "\xdf\x6d\xf4\xca\xd8\x25\xcf\xd9\xef\x5e\xe9\xe8\x9e\x04\xb1\x5c\xd3\xce"
      "\xa9\xe1\x52\xd6\x7b\x9a\x7e\xed\xc5\xdf\xe6\xd8\x5a\x3c\xe7\xc3\x42\xda"
      "\x8c\xc9\x69\xb5\x52\x19\x7c\xb8\xbc\xc4\xa1\x00\x9f\x38\xf4\xa8\x5b\x7c"
      "\x74\x21\x01\xba\x5b\xc0\x31\x15\xfe\xca\x2b\x99\x4c\x69\x98\x12",
      214);
  memcpy(
      (void*)0x2000000012c0,
      "\x78\x9c\xec\xdd\xcf\x6b\x1c\xe7\xfd\x07\xf0\xf7\xac\x56\x6b\xc9\x5f\x70"
      "\x94\xc4\x4e\xfc\x2d\x81\x8a\x18\xd2\x52\x51\x5b\x3f\x50\x5a\xf5\x12\xb7"
      "\x94\xa2\x43\x28\x21\x3d\xf4\x2c\x6c\x39\x16\x5e\x2b\x41\x52\x8a\x12\x4a"
      "\x51\x7f\x43\x4f\x3d\xe4\x0f\x48\x0f\xba\xf5\x54\xe8\xdd\x90\x9e\xdb\x5b"
      "\xae\x3a\x06\x0a\xbd\xf4\xa4\x9b\xca\xcc\xce\xae\xd6\xd6\x4a\xd1\xaf\x78"
      "\xa5\xf6\xf5\x32\xb3\xf3\x99\x79\x76\x9e\x79\x9e\xcf\x3e\x33\xbb\xb3\x6b"
      "\x31\x01\xfe\x67\x2d\x4e\xa5\xf9\x24\x45\x16\xa7\xde\xde\x2c\x97\x77\xb6"
      "\xe7\xda\x3b\xdb\x73\x57\xea\xe2\x76\x92\x32\x6e\x24\xcd\xce\x2c\xc5\x6a"
      "\x52\x7c\x96\xdc\x4d\x67\xca\xff\x97\x2b\x53\x6c\x1d\xb9\x9f\x4f\x56\x16"
      "\xde\xfd\xfc\xdf\x3b\x5f\x34\x7b\x6b\xaa\xa8\xe8\x56\x7a\xb6\x5e\x6c\xd5"
      "\x53\x26\x93\x8c\xd4\xf3\x67\xb4\xfe\x70\x92\xfa\x46\x3b\x41\x59\xcf\xbd"
      "\xc1\xf5\x9d\x40\xd1\xeb\x61\x99\xb0\x5b\xdd\xc4\xc1\xb0\xed\x1d\x70\xf4"
      "\x71\xfc\x8c\x33\x1e\xb7\xc0\x45\x50\x74\xde\x37\x0f\x98\x48\xae\x26\x19"
      "\xab\x3f\x07\xa4\x3e\x3b\x34\x9e\x6f\xeb\xce\xdf\x89\xce\x72\x00\x00\x00"
      "\x70\x49\xbd\xb0\x9b\xdd\x6c\xe6\xda\xb0\xdb\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\x97\x49\x7d\xff\xff\xa2\x9e\x1a\xdd\x78\x32\x45\xf7\xfe\xff"
      "\xad\x7a\x5d\xea\xf8\x52\x7b\x32\xec\x06\x00\x00\x00\x00\x00\x00\x00\xc0"
      "\x39\xf8\xfa\x6e\x76\xb3\x99\x6b\xdd\xe5\xbd\xa2\xfa\xcd\xff\xf5\x6a\xe1"
      "\x7a\xf5\xf8\x7f\xf9\x30\xeb\x59\xce\x5a\x6e\x67\x33\x4b\xd9\xc8\x46\xd6"
      "\x32\x93\x64\xa2\xaf\xa2\xd6\xe6\xd2\xc6\xc6\xda\xcc\x31\xb6\x9c\x1d\xb8"
      "\xe5\xec\xf3\xe9\x2f\x00\x00\x00\x00\x00\x00\x00\xfc\x97\xfa\x55\x16\xf7"
      "\x7f\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x61\x1a\xa9\xe7"
      "\x45\x27\x2c\xea\xe9\x7a\x37\x9e\x48\xa3\x99\x64\x2c\x49\xab\x7c\xde\x56"
      "\xf2\x8f\x6e\x7c\x49\x14\x83\x56\x3e\x79\xfe\xed\x00\x00\x00\x80\x33\x19"
      "\x3b\xc5\x36\x2f\xec\x66\x37\x9b\xb9\xd6\x5d\xde\x2b\xaa\x6b\xfe\x57\xaa"
      "\xeb\xe5\xb1\x7c\x98\xd5\x6c\x64\x25\x1b\x69\x67\x39\xf7\xeb\x6b\xe8\xf2"
      "\xaa\xbf\xb1\xb3\x3d\xd7\xde\xd9\x9e\x7b\x5c\x4e\x07\xeb\xfd\xfe\xbf\x4e"
      "\xd4\x8c\xaa\xc6\xde\xd7\x10\x83\xf6\x7c\xb3\x7a\xc6\x78\x1e\x64\xa5\x5a"
      "\x73\x3b\xf7\xaa\xc6\xdc\x4f\xa3\xda\xb2\x74\xb3\xdb\x9e\xc1\xed\xfa\x65"
      "\xd9\xa6\xe2\xad\xda\x31\x5b\x76\xbf\x9e\x97\x3b\xfb\xe3\x61\xdf\x22\x0c"
      "\xc5\x44\x95\x91\xd1\x5e\x46\xa6\xeb\xb6\x95\xd9\x78\xf1\xe8\x4c\x7c\xe9"
      "\xab\xd3\x3c\x72\x4f\x33\x69\xf4\xbe\xf9\xb9\xfe\x15\xe4\xfc\x6a\x3d\x2f"
      "\xfb\xf3\xbb\x8b\x99\xf3\x46\xaa\x4c\xcc\xf6\x8d\xbe\x57\x8e\xce\x44\xf2"
      "\x8d\xbf\xfe\xf9\xa7\x0f\xdb\xab\x8f\x1e\x3e\x58\x9f\xba\x38\x5d\x3a\xa5"
      "\xbe\x31\x31\xde\x5d\xd7\xcd\xc4\xab\x97\x3a\x13\x9d\xb1\x7f\xfc\x93\xe9"
      "\x74\xd5\xf3\x1b\xbd\xe5\xc5\xfc\x28\x3f\xc9\x54\x26\xf3\x4e\xd6\xb2\x92"
      "\x9f\x65\x29\x1b\x59\xce\x5e\x5d\xbe\x54\x8f\xe7\xf2\x71\xe2\xe8\x4c\xdd"
      "\x7d\x6a\xe9\x9d\x2f\x6b\x49\xab\x7e\x5d\x3a\x67\xd1\xe3\xb4\x69\x32\x3f"
      "\xac\xa2\xa5\xbc\x5e\x6d\x7b\x2d\x2b\x29\xf2\x7e\xee\x67\x39\x6f\x56\xff"
      "\x66\x33\x93\xef\x64\x3e\xf3\x59\xe8\x1b\xeb\x37\x0e\x6d\x77\xd5\xb7\xea"
      "\xa8\x6f\x9c\xec\xa8\xbf\xf5\xcd\x3a\x28\x87\xd3\xef\xeb\xf9\xb0\x75\x46"
      "\x41\x99\xd7\x17\xfb\xf2\xda\x7f\xce\x9d\xa8\xca\xfa\xd7\xec\x67\xe9\xa5"
      "\xf3\x3f\x37\x36\xbf\x56\x07\xe5\x3e\x7e\xdd\x77\xcc\x0d\xdf\xb3\x99\x98"
      "\xe9\xcb\xc4\xcb\x47\x67\xe2\x4f\xd5\xb1\xb1\xde\x5e\x7d\xb4\xf6\x70\xe9"
      "\x83\x43\xea\xdf\x7a\x66\xf9\x8d\x7a\x5e\x8e\xb8\xdf\x5e\xa8\x77\x89\x72"
      "\xbc\xbc\x94\xb1\xfa\x4c\xf2\xf4\xe8\x28\xcb\x5e\xee\x9d\x65\x9e\xce\x57"
      "\xab\xfe\xc5\xa5\x53\xd6\x38\x50\x76\xa3\x2a\x2b\x8a\xee\x91\xfa\xe3\x43"
      "\x8f\xd4\x56\xfd\x19\xee\x60\x4d\xb3\x55\xd9\xab\x03\xcb\xe6\xaa\xb2\x9b"
      "\x7d\x65\x4f\x7d\xde\xca\xfb\x69\xf5\x3e\x0f\x01\x70\x81\x5d\xfd\xd6\xd5"
      "\xd6\xf8\x3f\xc7\xff\x3e\xfe\xe9\xf8\x6f\xc6\x1f\x8e\xbf\x3d\xf6\x83\x2b"
      "\xdf\xbd\xf2\x5a\x2b\xa3\x7f\x1b\xfd\x5e\x73\x7a\xe4\x8d\xc6\x6b\xc5\x5f"
      "\xf2\x69\x7e\xb1\x7f\xfd\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9c\xde\xfa\x47\x1f\x3f"
      "\x5a\x6a\xb7\x97\xd7\x06\x07\x8d\xc3\x8b\xce\x37\x28\xea\x1b\xf9\x3c\x8f"
      "\x7d\x09\x86\x1d\x74\x6f\x22\x78\xe6\x0a\xef\x5e\x88\xee\x5c\xea\x60\x24"
      "\xc9\xa0\xa2\xfa\x25\x3a\xcd\xcd\x45\x81\x4b\xe1\xce\xc6\xe3\x0f\xee\xac"
      "\x7f\xf4\xf1\xb7\x57\x1e\x2f\xbd\xb7\xfc\xde\xf2\xea\xe8\xfc\xfc\xc2\xf4"
      "\xc2\xfc\x9b\x73\x77\x1e\xac\xb4\x97\xa7\x3b\x8f\xc3\x6e\x25\xf0\x55\xd8"
      "\x7f\xd3\x1f\x5c\x5e\x5c\xa8\x1b\x6c\x02\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x39\xde\xdf\xdb\xec\xd5\xff\xff\xef\xd4\x7f\x69\x30\xec\x3e\x02\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x97\xdb\xe2\x54\x9a\x4f\x52\x64\x66\xfa\xf6\x74\xb9\xbc\xb3\x3d"
      "\xd7\x2e\xa7\x6e\xbc\xff\xcc\x66\x92\x46\x23\x29\x7e\x9e\x14\x9f\x25\x77"
      "\xd3\x99\x32\xd1\x57\x5d\xf1\xd6\x21\xfb\xf9\x64\x65\xe1\xdd\xcf\xd3\xf8"
      "\x62\xbf\xae\x66\xf5\xfc\xb2\xd2\x7a\x7e\x06\x5b\xf5\x94\xc9\x24\x23\xf5"
      "\xfc\xbc\xea\xbb\x77\xe6\xfa\x8a\x5e\x0f\xcb\x84\xdd\xea\x26\x0e\x86\xed"
      "\x3f\x01\x00\x00\xff\xff\x8a\x25\xfe\x2a",
      1594);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000200,
                  /*flags=MS_I_VERSION|MS_SYNCHRONOUS|MS_RELATIME*/ 0xa00010,
                  /*opts=*/0x200000000840, /*chdir=*/6, /*size=*/0x63a,
                  /*img=*/0x2000000012c0);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x80242 (8 bytes)
  //    mode: open_mode = 0x1df2a23c5997fa5f (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000580, "./file1\000", 8);
  syscall(
      __NR_open, /*file=*/0x200000000580ul,
      /*flags=O_TRUNC|O_CREAT|O_CLOEXEC|O_RDWR*/ 0x80242ul,
      /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IXUSR|0x1df2a23c5997fa00*/
      0x1df2a23c5997fa5ful);
}
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;
}