// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26
// 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;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  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 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61
  //      61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 00}
  //      (length 0xfa)
  //    }
  //    flags: mount_flags = 0x2010094 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYRES16: ANYRES16 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESOCT: ANYRES64 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRESDEC: ANYRES64 (resource)
  //        }
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x70c (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x70c)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000100, "hfsplus\000", 8);
  memcpy((void*)0x2000000002c0,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         250);
  *(uint16_t*)0x200000000080 = 0;
  sprintf((char*)0x200000000082, "%023llo", (long long)-1);
  sprintf((char*)0x200000000099, "%020llu", (long long)-1);
  memcpy(
      (void*)0x200000000e00,
      "\x78\x9c\xec\xdd\xcf\x6f\x1c\x67\xfd\x07\xf0\xf7\xac\xd7\x3f\x36\xdf\x2a"
      "\x75\xda\xe4\xdb\x08\x05\x61\x12\xa9\x20\x45\x24\x4e\xac\x14\xc2\x05\x83"
      "\x10\xca\xa1\x42\x55\x39\xf4\x6c\x25\x4e\x63\xc5\x49\xaa\xc4\x45\x69\x85"
      "\xa8\x03\x08\x4e\x48\x1c\xfa\x07\x14\x24\xdf\x38\x20\x24\xee\x41\xe1\xc2"
      "\xa5\xdc\x7a\xf5\xb1\x08\x89\x4b\xc4\x21\xea\x65\xd1\xcc\xce\xae\x77\xd7"
      "\xeb\x5f\xf9\x61\x27\xe5\xf5\x8a\x26\xf3\xcc\x3c\xcf\x3c\xf3\x99\xcf\x3c"
      "\x33\xe3\xf5\x0f\x4d\x80\xff\x59\x97\x4e\xa7\x79\x3f\x45\x2e\x9d\x7e\xf3"
      "\x6e\xb9\xbc\xbe\x36\xb7\xbc\xbe\x36\x37\x59\x57\x2f\x27\x29\xcb\x8d\xa4"
      "\xd9\x99\xa5\xb8\x99\x14\x0f\x92\xf9\xb2\xbe\xe8\x9b\xd2\x37\xdf\xe4\xe3"
      "\xa5\x8b\x6f\x7f\xf6\x70\xfd\xf3\xce\x52\xb3\x9e\xaa\xf6\x63\xdb\x6d\x37"
      "\xc2\x88\xb6\xab\xf5\x94\x99\xba\xbf\x99\x91\x5b\x8e\xef\x76\x17\xab\x75"
      "\x78\x79\x29\xc9\xe5\x7a\x3e\x68\x62\xb7\x7d\x0d\x34\x2c\x93\x76\xaa\x9e"
      "\xc3\x81\x6b\x0f\x6a\xa4\xbd\xba\x75\xe3\xa9\x4d\x6b\xf6\x72\xdd\x02\xcf"
      "\x99\xee\xd3\xa9\xa8\x9e\x9b\x93\x9b\xea\xa7\x93\x43\xf5\x95\x5f\x55\xd6"
      "\x77\x87\xc6\xbe\x06\xf9\xf4\x7c\xbd\x5b\xd8\xe6\x2e\x07\x00\x00\x00\x5f"
      "\x1a\x9f\xde\x3a\xe8\x08\x00\x00\x00\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\xc5\x53"
      "\xbd\xff\xbf\xd5\x5b\x6c\x74\x56\x25\x33\x29\xba\xef\xff\x9f\xe8\xae\xab"
      "\xcb\xcf\xa1\xf9\x5d\xb7\xbc\xff\x4c\xe3\x00\x00\x00\x00\x00\x00\x00\x80"
      "\xfd\xf1\xb5\x47\x79\x94\xbb\x39\x5c\x96\xc7\x93\xb4\x8b\xea\x67\xfe\x27"
      "\xab\xca\xa3\xf9\xa2\x9d\xfc\x5f\xde\xcf\x9d\x2c\xe6\x76\xce\xe4\x6e\x16"
      "\xb2\x92\x95\xdc\xce\xb9\x24\xd3\x7d\x1d\x4d\xdc\x5d\x58\x59\xb9\x7d\xae"
      "\xb7\x65\x69\xf4\x96\xe7\x47\x6e\x79\x7e\x3f\x8f\x1a\x00\x00\x00\x00\x00"
      "\x00\x00\xbe\x74\x7e\x91\x56\xe7\xe7\xff\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xf0\xbc\x28\x92\xb1\xce\xac\x9a\x8e\xd6\xf3\x4c\xa7\xd1\xcc"
      "\x46\x5d\x56\x93\x7f\x24\x99\x38\xe8\x78\xf7\xa0\x18\xb5\xf2\xfe\xfe\xc7"
      "\x01\x00\x00\x00\x4f\x64\x6a\xd7\x2d\xff\x39\xd9\x2d\xbd\xfc\x28\x8f\x72"
      "\x37\x87\xbb\xcb\xed\xa2\xfa\xcc\xff\xff\xd5\xe7\xe5\xa9\xbc\x9f\x9b\x59"
      "\xc9\x52\x56\xb2\x9c\xc5\x5c\xa9\x3f\x43\x97\x9f\xfa\x1b\xeb\x6b\x73\xcb"
      "\xeb\x6b\x73\x37\xca\xa9\x5c\x1e\xdc\xc3\xf7\xff\xbd\xa7\xd0\x27\xea\x1e"
      "\xc6\xaa\xa5\x51\x7b\x3e\x5e\xb5\x68\xe5\x6a\x96\xaa\x35\x67\x72\xb9\x0a"
      "\xe6\x4a\x1a\x9d\x7d\x9f\x4a\x8e\x77\xe3\xe9\x8b\xab\xcf\xbd\x32\xa6\xe2"
      "\x7b\xb5\x5d\x46\xd6\xac\xd3\x5a\xee\xec\x77\x5b\x7d\x17\xe1\xa9\xa8\xbe"
      "\x15\xd1\x4b\x63\x63\x9b\x96\xad\x8d\xe0\x92\x5e\x46\x66\xeb\xd8\xca\x2d"
      "\x8f\x74\x32\x50\x24\xab\x99\x4c\x86\x33\x31\x7c\x76\x36\xed\xac\x39\xb0"
      "\x34\x5d\x35\x19\xef\xed\xe9\x5c\x1a\xbd\xef\xfc\x1c\x7d\x06\x39\x3f\x54"
      "\xcf\xcb\xe3\xf9\xf5\x33\xcd\xf9\x6e\xf4\xe7\xa2\x97\x89\x46\xaa\x4c\x9c"
      "\xef\x8e\xbe\xf2\x9a\xd9\x3e\x13\xc9\x37\xfe\xf2\xc7\x77\xae\x2d\xdf\xbc"
      "\x7e\xed\xea\x9d\xd3\x07\x7b\x48\x7b\x30\xb6\xc5\xfa\xe1\x31\x31\xd7\x97"
      "\x89\xd7\x5e\xe8\x4c\x34\xf7\xd8\x7e\xb6\xca\xc4\xb1\xde\xf2\xa5\xfc\x28"
      "\x3f\xc9\xe9\xcc\xe4\xad\xdc\xce\x52\x7e\x9a\x85\xac\x64\x31\xed\xba\x7e"
      "\xa1\x1e\xcf\xe5\xff\xd3\xdb\x67\x6a\x7e\x60\xe9\xad\x9d\x22\x99\xa8\xcf"
      "\x4b\xe7\x9c\xed\x26\xa6\x99\xfc\xb0\x2a\x2d\xe4\x64\xb5\xed\xe1\x2c\xa5"
      "\xc8\xad\x5c\xc9\x62\xde\xa8\xfe\x9d\xcf\xb9\x7c\x3b\x17\x72\x21\x17\xfb"
      "\xce\xf0\xb1\x2d\xe3\xae\x8e\xad\xba\xea\x1b\xc3\x57\x7d\xf7\x4c\xff\x75"
      "\x64\xf0\xa7\xbe\x59\x17\xca\xbb\xdb\x6f\x36\xee\x72\xf3\xdb\x1d\xf1\x56"
      "\xa3\xf3\x69\xe9\xdc\xfb\xcb\xbc\x1e\xe9\xcb\x6b\x67\xd4\x3f\xec\xb5\x3a"
      "\xd2\x77\x1d\xcc\xf6\x65\xe9\x95\x6e\x76\xc6\x47\x76\xfe\x38\xf7\xc6\xe6"
      "\x57\xea\x42\xb9\x8f\x5f\xee\xf0\x9c\xd8\x5f\xd3\x75\x26\xca\x0b\xa8\xfb"
      "\x94\xe8\x46\xf7\x6a\x27\x13\xe5\xa5\x35\x6a\x9c\xff\xbe\x5d\x6e\x97\xe5"
      "\x9b\xed\xf6\xb5\x85\xf7\xb6\xe8\x7f\x75\x68\xf9\xf5\x7a\x5e\x0e\xab\xb5"
      "\xaf\xee\xd4\xba\x6b\xf4\xa9\x78\xba\xca\xf1\xf2\x4a\xa6\xea\x3b\xc9\xe0"
      "\xe8\x28\xeb\x5e\xed\xdd\x65\xfa\xea\xda\x1b\x63\xb9\x53\x37\xf8\xc4\x2d"
      "\xb7\x3b\x56\xd5\x15\x45\xf7\x4a\xfd\x71\x6e\x55\x03\x60\xf3\x95\x3a\x51"
      "\x7f\x0d\xb7\xb9\xa7\xf3\x55\xdd\x6b\x43\x75\x27\xea\x7b\x78\x59\x77\xbc"
      "\xaf\x6e\xe0\xeb\xad\xdc\xca\x72\xae\xec\x43\xfe\x00\x78\x1c\x7f\x7f\xa7"
      "\x57\x9c\xce\xa1\x89\xd6\xbf\x5a\x9f\xb6\x3e\x69\xfd\xaa\x75\xad\xf5\xe6"
      "\xd4\x0f\x26\xbf\x33\x79\x62\x22\xe3\x7f\x1b\xff\x6e\x73\x76\xec\xf5\xc6"
      "\x89\xe2\xcf\xf9\x24\x3f\xdf\xf8\xfc\x0f\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3c\xbe\x3b"
      "\x1f\x7c\x78\x7d\x61\x79\x79\xf1\xf6\xe8\x42\x63\xeb\xaa\x81\x42\x2b\xc3"
      "\x6b\x76\xea\x79\xa8\x50\xd4\x2f\xf4\x19\xd5\xe6\x7a\xfd\x96\x82\x3d\x75"
      "\x78\xc0\x85\xa9\x24\x03\x6b\xaa\xf7\x1c\xed\x7b\x18\xad\xe1\x30\x36\x15"
      "\xda\x1f\x25\xfb\x9e\x9f\xee\x4b\x04\x47\xb7\xf9\x6d\x59\x68\xee\xea\x74"
      "\xcf\x0f\xac\xf9\xd3\xe6\x0e\xef\xed\x1c\xcf\x58\x86\xc6\xe1\x2e\xae\x8b"
      "\x3d\x16\x0e\x6f\x71\xa4\xa3\x0a\x8d\x3c\x93\xcc\xb7\x5f\xde\x62\x24\x8c"
      "\x65\xf4\x00\x38\xa8\x3b\x12\xb0\x5f\xce\xae\xdc\x78\xef\xec\x9d\x0f\x3e"
      "\xfc\xd6\xd2\x8d\x85\x77\x17\xdf\x5d\xbc\x39\x7e\xe1\xc2\xc5\xd9\x8b\x17"
      "\xde\x98\x3b\x7b\x75\x69\x79\x71\xb6\xf3\xff\x41\x47\x09\x3c\x0b\x1b\x0f"
      "\xfd\x83\x8e\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\xad\xea\xf7\xff"
      "\xee\xb5\xdb\xed\xbe\xdf\xfe\x3f\xf9\xd2\x4e\x7f\x34\xb2\xa9\xd0\x48\x32"
      "\xfc\x37\x1e\x83\xbf\x59\x78\xfc\xd0\x41\x1f\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\xf0\x82\xba"
      "\x74\x3a\xcd\xfb\x29\x72\x6e\xf6\xcc\x6c\xb9\xbc\xbe\x36\xb7\x5c\x4e\xdd"
      "\xf2\x46\xcb\x66\x92\x46\x23\x29\x7e\x96\x14\x0f\x92\xf9\x74\xa6\x4c\xf7"
      "\x75\x57\xe4\x0f\x0f\xd2\x1e\xb1\x9f\x8f\x97\x2e\xbe\xfd\xd9\xc3\xf5\xcf"
      "\x37\xfa\x6a\x76\xda\x27\x8d\x7a\xbe\xb5\xa1\xda\xf6\x47\xc3\x0d\x56\xeb"
      "\x29\x33\x49\xc6\xea\xf9\x13\x18\xe8\xef\xf2\x13\xf7\x57\xfc\xa7\x7b\x0c"
      "\x65\xc2\xbe\x68\xb7\xdb\xf3\x4f\x16\x1f\x3c\x1d\xff\x0d\x00\x00\xff\xff"
      "\xa8\x51\xf0\x77",
      1804);
  syz_mount_image(
      /*fs=*/0x200000000100, /*dir=*/0x2000000002c0,
      /*flags=MS_LAZYTIME|MS_POSIXACL|MS_SYNCHRONOUS|MS_NODEV|MS_DIRSYNC*/
      0x2010094, /*opts=*/0x200000000080, /*chdir=*/1, /*size=*/0x70c,
      /*img=*/0x200000000e00);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 65 6d 6f 72 79 2e 65 76 65 6e 74 73 00} (length 0xe)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x2000000001c0, "memory.events\000", 14);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000001c0ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write$cgroup_subtree arguments: [
  //    fd: fd_cgroup_subtree (resource)
  //    buf: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //      }
  //    }
  //    len: bytesize = 0x32600 (8 bytes)
  //  ]
  syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000080ul, /*len=*/0x32600ul);
}
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;
}