// https://syzkaller.appspot.com/bug?id=a1954eed3adfde914df9a0a2d0b7d1ecb876072f
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

#include <linux/loop.h>

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

static unsigned long long procid;

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

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

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

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

//% 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");
}

#define USLEEP_FORKED_CHILD (3 * 50 * 1000)

static long handle_clone_ret(long ret)
{
  if (ret != 0) {
    return ret;
  }
  usleep(USLEEP_FORKED_CHILD);
  syscall(__NR_exit, 0);
  while (1) {
  }
}

static long syz_clone(volatile long flags, volatile long stack,
                      volatile long stack_len, volatile long ptid,
                      volatile long ctid, volatile long tls)
{
  long sp = (stack + stack_len) & ~15;
  long ret = (long)syscall(__NR_clone, flags & ~CLONE_VM, sp, ptid, ctid, tls);
  return handle_clone_ret(ret);
}

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, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  syscall(__NR_quotactl, /*cmd=Q_SYNC_USR*/ 0xffffffff80000100ul,
          /*special=*/0ul, /*id=*/0ul, /*addr=*/0ul);
  syscall(__NR_shutdown, /*fd=*/(intptr_t)-1, /*how=SHUT_WR*/ 1ul);
  syz_clone(
      /*flags=CLONE_NEWTIME|CLONE_IO|CLONE_NEWIPC|CLONE_NEWCGROUP|CLONE_CHILD_SETTID|CLONE_PARENT_SETTID|0x34a00*/
      0x8b134a80, /*stack=*/0, /*stack_len=*/0, /*parentid=*/0, /*childtid=*/0,
      /*tls=*/0);
  memcpy((void*)0x200000000080, "ext4\000", 5);
  memcpy((void*)0x200000000000, "./file1\000", 8);
  memcpy((void*)0x200000000740, "bh", 2);
  *(uint8_t*)0x200000000742 = 0x2c;
  memcpy((void*)0x200000000743, "dax=never", 9);
  *(uint8_t*)0x20000000074c = 0x2c;
  memcpy((void*)0x20000000074d, "min_batch_time", 14);
  *(uint8_t*)0x20000000075b = 0x3d;
  sprintf((char*)0x20000000075c, "0x%016llx", (long long)1);
  *(uint8_t*)0x20000000076e = 0x2c;
  memcpy((void*)0x20000000076f, "nojournal_checksum", 18);
  *(uint8_t*)0x200000000781 = 0x2c;
  memcpy((void*)0x200000000782, "debug_want_extra_isize", 22);
  *(uint8_t*)0x200000000798 = 0x3d;
  sprintf((char*)0x200000000799, "0x%016llx", (long long)0x80);
  *(uint8_t*)0x2000000007ab = 0x2c;
  memcpy((void*)0x2000000007ac, "nodelalloc", 10);
  *(uint8_t*)0x2000000007b6 = 0x2c;
  memcpy((void*)0x2000000007b7, "errors=remount-ro", 17);
  *(uint8_t*)0x2000000007c8 = 0x2c;
  memcpy((void*)0x2000000007c9, "acl", 3);
  *(uint8_t*)0x2000000007cc = 0x2c;
  memcpy((void*)0x2000000007cd, "auto_da_alloc", 13);
  *(uint8_t*)0x2000000007da = 0x3d;
  sprintf((char*)0x2000000007db, "0x%016llx", (long long)0x343);
  *(uint8_t*)0x2000000007ed = 0x2c;
  memcpy((void*)0x2000000007ee, "jqfmt=vfsold", 12);
  *(uint8_t*)0x2000000007fa = 0x2c;
  memcpy((void*)0x2000000007fb, "barrier", 7);
  *(uint8_t*)0x200000000802 = 0x3d;
  sprintf((char*)0x200000000803, "0x%016llx", (long long)3);
  *(uint8_t*)0x200000000815 = 0x2c;
  memcpy((void*)0x200000000816, "nombcache", 9);
  *(uint8_t*)0x20000000081f = 0x2c;
  memcpy((void*)0x200000000820, "stripe", 6);
  *(uint8_t*)0x200000000826 = 0x3d;
  sprintf((char*)0x200000000827, "0x%016llx", (long long)5);
  *(uint8_t*)0x200000000839 = 0x2c;
  *(uint8_t*)0x20000000083a = 0;
  memcpy(
      (void*)0x200000001240,
      "\x78\x9c\xec\xdd\x4d\x6b\x1b\xd7\x1a\x00\xe0\x77\x64\x2b\x5f\xce\xbd\x76"
      "\x20\x84\x7b\xef\xe2\x12\xc8\xa2\x29\x21\x72\x6c\xf7\x23\x85\x42\xd2\x65"
      "\x69\x43\x03\xed\x3e\x15\xb6\x62\x82\xe5\x28\x58\x72\x88\xdd\x40\x93\x45"
      "\xb3\xe9\xa6\x84\x42\x29\x0d\x94\xfe\x80\xee\xbb\x0c\xfd\x03\xfd\x15\x81"
      "\x36\x10\x4a\x30\xed\xa2\x14\x5c\x46\x1e\x39\x8a\x2d\xc9\xb2\x23\x57\x6a"
      "\xf4\x3c\x30\xc9\x39\x9a\x91\xce\xbc\x3e\xf3\x8e\xce\x99\x91\xad\x00\x86"
      "\xd6\xc9\xf4\x9f\x5c\xc4\x7f\x23\xe2\x8b\x24\x62\xbc\x69\xdd\x68\x64\x2b"
      "\x4f\x6e\x6c\xb7\xf6\xf4\xf6\x6c\xba\x24\xb1\xbe\xfe\xe1\xaf\x49\x5c\xd8"
      "\xf2\x5a\x49\xf6\xff\x58\x56\xf9\x4f\x44\xfc\xf8\x59\xc4\x99\xdc\xf6\x76"
      "\xab\x2b\xab\x0b\xc5\x72\xb9\xb4\x94\xd5\x27\x6b\x8b\x37\x26\xab\x2b\xab"
      "\x67\xaf\x2d\x16\xe7\x4b\xf3\xa5\xeb\xd3\x33\x33\xe7\x5f\x9f\x99\x7e\xeb"
      "\xcd\x37\xba\x88\x22\xe9\x2a\xd6\x57\x2f\xff\xfe\xf5\x07\x0f\xdf\x3d\xff"
      "\xf9\xa9\xb5\xaf\xbe\x7f\x7c\xec\x7e\x12\x17\xe3\x68\xb6\x2e\x8d\xab\xab"
      "\x17\xe9\xec\x4e\x73\xe5\x64\xf1\xcf\xac\x94\x8f\x8b\x5b\x36\x9c\xea\x41"
      "\x63\x83\xa4\xbb\x1e\x60\xd0\x8c\x64\x79\x9e\x8f\xf4\x1c\x30\x1e\x23\x59"
      "\xd6\x03\x2f\xbf\x4f\x23\x62\x1d\x18\x52\x89\xfc\x87\x21\xd5\x18\x07\x34"
      "\xe6\xf6\x3d\x9a\x07\xff\x63\x3c\x79\x67\x63\x02\xb4\x3d\xfe\xd1\x8d\x6b"
      "\x23\x71\xa8\x3e\x37\x3a\xb2\x96\x3c\x37\x33\x4a\xe7\xbb\x13\x3d\x68\x3f"
      "\x6d\xe3\x87\x5f\x1e\xdc\x4f\x97\xe8\x7c\x1d\xe2\xf0\x0e\x75\x80\x5d\xb9"
      "\x73\x37\x22\xce\x8d\x8e\x6e\x3f\xff\x25\xd9\xf9\x6f\xef\xce\xd5\x2f\x1e"
      "\x77\xb6\xb5\x8d\x61\x7b\xff\x81\x7e\x7a\x98\x8e\x7f\x92\x3b\x11\xdb\xf2"
      "\x3f\xb7\x39\xfe\x89\x16\xe3\x9f\xb1\x16\xb9\xbb\x17\x3b\xe7\x7f\xee\x71"
      "\x0f\x9a\x69\x2b\x1d\xff\xbd\xdd\x72\xfc\xbb\x79\xea\x9a\x18\xc9\x6a\xff"
      "\xaa\x8f\xf9\xf2\xc9\xd5\x6b\xe5\xd2\xb9\x88\xf8\x77\x44\x9c\x8e\xfc\xc1"
      "\xb4\xde\xe9\x7e\xce\xf9\xb5\x47\xeb\xed\xd6\x35\x8f\xff\xd2\x25\x6d\xbf"
      "\x31\x16\xcc\xf6\xe3\xf1\xe8\xc1\xe7\x9f\x33\x57\xac\x15\x5f\x24\xe6\x66"
      "\x4f\xee\x46\xfc\xaf\xe5\xf8\x37\xd9\xec\xff\xa4\x45\xff\xa7\x3f\x8f\xcb"
      "\x5d\xb6\x71\xa2\xf4\xe0\xff\xed\xd6\xed\x1c\xff\xfe\x5a\xff\x2e\xe2\x95"
      "\x96\xfd\xff\xec\x8e\x56\xd2\xf9\xfe\xe4\x64\xfd\x78\x98\x6c\x1c\x15\xdb"
      "\xfd\x76\xef\xc4\x4f\xed\xda\xef\x77\xfc\x69\xff\x1f\xe9\x1c\xff\x44\xd2"
      "\x7c\xbf\xb6\xba\xfb\x36\xbe\x3d\xf4\x47\xa9\xdd\xba\xbd\x1e\xff\x07\x92"
      "\x8f\xea\xe5\x03\xd9\x63\xb7\x8a\xb5\xda\xd2\x54\xc4\x81\xe4\xfd\xd1\xb1"
      "\xad\x8f\x4f\x3f\x7b\x6e\xa3\xde\xd8\x3e\x8d\xff\xf4\xa9\xd6\xf9\xdf\xe9"
      "\xf8\x4f\x27\x5f\x1f\x77\x19\xff\xbd\xe3\xf7\xda\x6e\x3a\x08\xfd\x3f\xb7"
      "\xab\xfe\xdf\x7d\xe1\xd1\x7b\x9f\x7c\xd3\xae\xfd\xee\xfa\xff\xb5\x7a\xe9"
      "\x74\xf6\x48\x37\xe7\xbf\x6e\x77\xf0\x45\x7e\x76\x00\x00\x00\x00\x00\x00"
      "\x30\x68\x72\x11\x71\x34\x92\x5c\x61\xb3\x9c\xcb\x15\x0a\x1b\x9f\xef\x38"
      "\x1e\x47\x72\xe5\x4a\xb5\x76\xe6\x6a\x65\xf9\xfa\x5c\xd4\x7f\x57\x76\x22"
      "\xf2\xb9\xc6\x9d\xee\xf1\xa6\xcf\x43\x4c\x65\x9f\x87\x6d\xd4\xa7\xb7\xd4"
      "\x67\x22\xe2\x58\x44\x7c\x39\x72\xb8\x5e\x2f\xcc\x56\xca\x73\xfd\x0e\x1e"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\xc4\x58"
      "\x9b\xdf\xff\x4f\xfd\x3c\xd2\xef\xbd\x03\xf6\x5d\xfd\x8b\x0d\x0e\xf6\x7b"
      "\x2f\x80\x7e\xd8\xf1\x2b\xff\x7b\xf1\x4d\x4f\xc0\x40\xda\x31\xff\x81\x97"
      "\xd6\xee\xf3\xdf\x95\x01\x78\x59\x78\xff\x87\xe1\x25\xff\x61\x78\xc9\x7f"
      "\x18\x5e\xdd\xe6\x7f\x7e\x7c\x9f\x77\x04\xf8\xdb\x79\xff\x87\xe1\x25\xff"
      "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xa0\xa7\x2e\x5f\xba\x94\x2e\xeb\x6b\x4f\x6f\xcf\xa6\xf5\xb9"
      "\x9b\x2b\xcb\x0b\x95\x9b\x67\xe7\x4a\xd5\x85\xc2\xe2\xf2\x6c\x61\xb6\xb2"
      "\x74\xa3\x30\x5f\xa9\xcc\x97\x4b\x85\xd9\xca\xe2\x4e\xaf\x57\xae\x54\x6e"
      "\x4c\x4d\xc7\xf2\xad\xc9\x5a\xa9\x5a\x9b\xac\xae\xac\x5e\x59\xac\x2c\x5f"
      "\xaf\x5d\xb9\xb6\x58\x9c\x2f\x5d\x29\xe5\xfd\xb1\x61\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\xa6\xba\xb2\xba\x50\x2c\x97"
      "\x4b\x4b\x0a\x6d\x0b\x17\x62\x20\x76\x63\x3f\x03\xdc\xb0\xa7\xa7\x8f\x0e"
      "\x4a\x14\x0a\x3d\x2d\xf4\xf9\xc4\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x4d\xfe\x0a\x00\x00\xff\xff\xfe\xb1\x33\x51",
      1401);
  syz_mount_image(
      /*fs=*/0x200000000080, /*dir=*/0x200000000000,
      /*flags=MS_SHARED|MS_STRICTATIME|MS_RELATIME|MS_MOVE*/ 0x1302000,
      /*opts=*/0x200000000740, /*chdir=*/0xfd, /*size=*/0x579,
      /*img=*/0x200000001240);
  syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul,
          /*proto=NETLINK_NETFILTER*/ 0xc);
  *(uint64_t*)0x200000000140 = 8;
  *(uint64_t*)0x200000000148 = 0x8b;
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul,
          /*new=*/0x200000000140ul, /*old=*/0ul);
  *(uint32_t*)0x200000000080 = 6;
  syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_FIFO*/ 1ul,
          /*prio=*/0x200000000080ul);
  syscall(__NR_sched_setscheduler, /*pid=*/0, /*policy=SCHED_RR*/ 2ul,
          /*prio=*/0ul);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0ul, /*size=*/0ul);
  memcpy((void*)0x2000000001c0, "/dev/cpu/#/msr\000", 15);
  res = -1;
  res = syz_open_dev(/*dev=*/0x2000000001c0, /*id=*/0, /*flags=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_read, /*fd=*/r[0], /*buf=*/0x200000019680ul,
          /*count=*/0x18ff8ul);
  memcpy((void*)0x200000000040, "./file0\000", 8);
  memcpy((void*)0x200000000000, "devtmpfs\000", 9);
  memcpy((void*)0x200000000380, "source", 6);
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000040ul,
          /*type=*/0x200000000000ul, /*flags=*/0ul, /*data=*/0x200000000380ul);
  memcpy((void*)0x2000000003c0, "/dev/ttyS3\000", 11);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x2000000003c0ul, /*flags=O_LARGEFILE*/ 0x8000,
                /*mode=*/0);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x200000000180, "9p\000", 3);
  memcpy((void*)0x200000000400, "trans=rdma,", 11);
  memcpy((void*)0x20000000040b, "port", 4);
  *(uint8_t*)0x20000000040f = 0x3d;
  sprintf((char*)0x200000000410, "0x%016llx", (long long)0x4e21);
  *(uint8_t*)0x200000000422 = 0x2c;
  memcpy((void*)0x200000000423, "fsmagic", 7);
  *(uint8_t*)0x20000000042a = 0x3d;
  sprintf((char*)0x20000000042b, "0x%016llx", (long long)0x8000000000000000);
  *(uint8_t*)0x20000000043d = 0x2c;
  *(uint8_t*)0x20000000043e = 0;
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0ul, /*type=*/0x200000000180ul,
          /*flags=MS_I_VERSION*/ 0x800000ul, /*opts=*/0x200000000400ul);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x5425, /*arg=*/0ul);
  memcpy((void*)0x200000000000, "/dev/ttyS3\000", 11);
  syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000000ul,
          /*flags=*/0, /*mode=*/0);
}
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;
}