// https://syzkaller.appspot.com/bug?id=8aa97c8f331730c91d216892a45e279362cddc8b
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.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/futex.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

static void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

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");
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 5; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

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[3] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000200, "ext4\000", 5);
    memcpy((void*)0x20000740,
           "./"
           "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
           "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
           "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
           "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
           255);
    *(uint8_t*)0x200006c0 = 0;
    memcpy(
        (void*)0x20000ac0,
        "\x78\x9c\xec\xdd\x3f\x68\x33\x65\x1c\x07\xf0\xef\x5d\x12\x5f\xfb\xbe"
        "\x41\x5e\x75\x11\xc4\x3f\x20\x22\x5a\x28\xaf\x9b\xe0\xf2\xba\x28\x14"
        "\xa4\x14\x11\x41\x85\x8a\x88\x8b\xd2\x0a\xb5\xc5\xad\x71\x72\x71\xd0"
        "\x59\xa5\x93\x4b\x11\x37\xab\xa3\x74\x29\x2e\x8a\xe0\x54\xb5\x43\x5d"
        "\x04\x2d\x0e\x16\x07\x1d\x22\xc9\xb5\x52\xdb\x88\xda\xd4\x9c\xf4\x3e"
        "\x1f\xb8\xde\x5d\xef\x79\xee\xf7\x1c\xb9\xef\x93\x2c\x97\x04\x68\xac"
        "\xab\x49\xae\x27\x69\x25\x99\x4e\xd2\x49\x52\x1c\x6f\x70\x77\xb5\x5c"
        "\x3d\xdc\x5d\x9f\xda\x5e\x48\xfa\xfd\x27\x7e\x2a\x86\xed\xaa\xfd\xca"
        "\x51\xbf\x2b\x49\x7a\x49\x1e\x4a\xb2\x55\x16\x79\xa9\x9d\xac\x6e\x3e"
        "\xb3\xf7\xcb\xce\x63\xf7\xbd\xb9\xd2\xb9\xf7\xfd\xcd\xa7\xa7\x26\x7a"
        "\x91\x87\xf6\xf7\x76\x1f\x3f\x78\x6f\xee\x8d\x8f\x66\x1f\x5c\xfd\xe2"
        "\xab\x1f\xe6\x8a\x5c\x4f\xf7\x4f\xd7\x75\xfe\x8a\x11\xff\x6b\x17\xc9"
        "\x2d\xff\x45\xb1\xff\x89\xa2\x5d\xf7\x08\xf8\x27\xe6\x5f\xfb\xf0\xeb"
        "\x41\xee\x6f\x4d\x72\xcf\x30\xff\x9d\x94\xa9\x5e\xbc\xb7\x96\x6f\xd8"
        "\xea\xe4\x81\x77\xff\xaa\xef\xdb\x3f\x7e\x79\xfb\x24\xc7\x0a\x9c\xbf"
        "\x7e\xbf\x33\x78\x0f\xec\xf5\x81\xc6\x29\x93\x74\x53\x94\x33\x49\xaa"
        "\xed\xb2\x9c\x99\xa9\x3e\xc3\x7f\xd3\xba\x5c\xbe\xbc\xb4\xfc\xea\xf4"
        "\x8b\x4b\x2b\x8b\x2f\xd4\x3d\x53\x01\xe7\xa5\x9b\xec\x3e\xfa\xc9\xa5"
        "\x8f\xaf\x9c\xc8\xff\xf7\xad\x2a\xff\xc0\xc5\x35\xc8\xff\x93\xf3\x1b"
        "\xdf\x0e\xb6\x0f\x5a\x75\x8f\x06\x98\x88\x3b\xaa\xd5\x20\xff\xd3\xcf"
        "\xad\xdd\x1f\xf9\x87\xc6\x91\x7f\x68\x2e\xf9\x87\xe6\x92\x7f\x68\x2e"
        "\xf9\x87\xe6\x92\x7f\x68\x2e\xf9\x87\x0b\xac\x73\xb4\xd1\x1b\x79\x58"
        "\xfe\xa1\xb9\xe4\x1f\x9a\x4b\xfe\xa1\xb9\x8e\xe7\x1f\x00\x68\x96\xfe"
        "\xa5\xba\x9f\x40\x06\xea\x52\xf7\xfc\x03\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x9c\xb6\x3e\xb5\xbd\x70\xb4\x4c\xaa\xe6"
        "\x67\xef\x24\xfb\x8f\x24\x69\x8f\xaa\xdf\x1a\xfe\x1e\x71\x72\xe3\xf0"
        "\xef\xe5\x9f\x8b\x41\xb3\x3f\x14\x55\xb7\xb1\x3c\x7b\xd7\x98\x27\x18"
        "\xd3\x07\x35\x3f\x7d\x7d\xd3\x77\xf5\xd6\xff\xfc\xce\x7a\xeb\xaf\x2d"
        "\x26\xbd\xd7\x93\x5c\x6b\xb7\x4f\xdf\x7f\xc5\xe1\xfd\x77\x76\x37\xff"
        "\xcd\xf1\xce\xf3\x63\x16\xf8\x97\x8a\x13\xfb\x0f\x3f\x35\xd9\xfa\x27"
        "\xfd\xb6\x51\x6f\xfd\xd9\x9d\xe4\xd3\xc1\xfc\x73\x6d\xd4\xfc\x53\xe6"
        "\xb6\xe1\x7a\xf4\xfc\xd3\x3d\xfe\x15\xcb\x67\xf4\xca\xaf\x63\x9e\x00"
        "\x00\x00\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\x89\xf9\x3d\x00\x00\xff\xff"
        "\x0f\x2b\x6d\xcc",
        582);
    syz_mount_image(/*fs=*/0x20000200, /*dir=*/0x20000740,
                    /*flags=MS_REC|MS_SILENT*/ 0xc000, /*opts=*/0x200006c0,
                    /*chdir=*/2, /*size=*/0x246, /*img=*/0x20000ac0);
    break;
  case 1:
    res = syscall(__NR_socket, /*domain=AF_PACKET*/ 0x11ul,
                  /*type=SOCK_RAW|0x800000000*/ 0x800000003ul, /*proto=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    memcpy((void*)0x20000600,
           "team0\000\000\000\000\000\000\000\000\000\000\000", 16);
    res =
        syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8933, /*arg=*/0x20000600ul);
    if (res != -1)
      r[1] = *(uint32_t*)0x20000610;
    break;
  case 3:
    res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
    if (res != -1)
      r[2] = res;
    break;
  case 4:
    *(uint64_t*)0x200007c0 = 0;
    *(uint32_t*)0x200007c8 = 0;
    *(uint64_t*)0x200007d0 = 0x20000780;
    *(uint64_t*)0x20000780 = 0x20000400;
    *(uint32_t*)0x20000400 = 0xa4;
    *(uint16_t*)0x20000404 = 0x24;
    *(uint16_t*)0x20000406 = 0xf0b;
    *(uint32_t*)0x20000408 = 0;
    *(uint32_t*)0x2000040c = 0;
    *(uint8_t*)0x20000410 = 0;
    *(uint8_t*)0x20000411 = 0;
    *(uint16_t*)0x20000412 = 0x12;
    *(uint32_t*)0x20000414 = r[1];
    *(uint16_t*)0x20000418 = 0;
    *(uint16_t*)0x2000041a = 0;
    *(uint16_t*)0x2000041c = -1;
    *(uint16_t*)0x2000041e = -1;
    *(uint16_t*)0x20000420 = 0;
    *(uint16_t*)0x20000422 = 0;
    *(uint16_t*)0x20000424 = 0xb;
    *(uint16_t*)0x20000426 = 1;
    memcpy((void*)0x20000428, "taprio\000", 7);
    *(uint16_t*)0x20000430 = 0x74;
    *(uint16_t*)0x20000432 = 2;
    *(uint16_t*)0x20000434 = 0x56;
    *(uint16_t*)0x20000436 = 1;
    *(uint8_t*)0x20000438 = 2;
    *(uint8_t*)0x20000439 = 0;
    *(uint8_t*)0x2000043a = 0;
    *(uint8_t*)0x2000043b = 0;
    *(uint8_t*)0x2000043c = 0;
    *(uint8_t*)0x2000043d = 0;
    *(uint8_t*)0x2000043e = 0;
    *(uint8_t*)0x2000043f = 0;
    *(uint8_t*)0x20000440 = 0;
    *(uint8_t*)0x20000441 = 0;
    *(uint8_t*)0x20000442 = 0;
    *(uint8_t*)0x20000443 = 0;
    *(uint8_t*)0x20000444 = 0;
    *(uint8_t*)0x20000445 = 0;
    *(uint8_t*)0x20000446 = 0;
    *(uint8_t*)0x20000447 = 0;
    *(uint8_t*)0x20000448 = 0;
    *(uint8_t*)0x20000449 = 0;
    *(uint16_t*)0x2000044a = 8;
    *(uint16_t*)0x2000044c = 4;
    *(uint16_t*)0x2000044e = 0;
    *(uint16_t*)0x20000450 = 0;
    *(uint16_t*)0x20000452 = 0;
    *(uint16_t*)0x20000454 = 0;
    *(uint16_t*)0x20000456 = 0;
    *(uint16_t*)0x20000458 = 0;
    *(uint16_t*)0x2000045a = 0;
    *(uint16_t*)0x2000045c = 0;
    *(uint16_t*)0x2000045e = 0;
    *(uint16_t*)0x20000460 = 0;
    *(uint16_t*)0x20000462 = 0;
    *(uint16_t*)0x20000464 = 0;
    *(uint16_t*)0x20000466 = 0;
    *(uint16_t*)0x20000468 = 0;
    *(uint16_t*)0x2000046a = 0;
    *(uint16_t*)0x2000046c = 8;
    *(uint16_t*)0x2000046e = 0;
    *(uint16_t*)0x20000470 = 0;
    *(uint16_t*)0x20000472 = 0;
    *(uint16_t*)0x20000474 = 0;
    *(uint16_t*)0x20000476 = 0;
    *(uint16_t*)0x20000478 = 0;
    *(uint16_t*)0x2000047a = 0;
    *(uint16_t*)0x2000047c = 0;
    *(uint16_t*)0x2000047e = 0;
    *(uint16_t*)0x20000480 = 0;
    *(uint16_t*)0x20000482 = 0;
    *(uint16_t*)0x20000484 = 0;
    *(uint16_t*)0x20000486 = 0;
    *(uint16_t*)0x20000488 = 0;
    *(uint16_t*)0x2000048c = 8;
    *(uint16_t*)0x2000048e = 5;
    *(uint32_t*)0x20000490 = 7;
    *(uint16_t*)0x20000494 = 0x10;
    STORE_BY_BITMASK(uint16_t, , 0x20000496, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x20000497, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x20000497, 1, 7, 1);
    *(uint16_t*)0x20000498 = 0xc;
    STORE_BY_BITMASK(uint16_t, , 0x2000049a, 1, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000049b, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000049b, 1, 7, 1);
    *(uint16_t*)0x2000049c = 8;
    *(uint16_t*)0x2000049e = 4;
    *(uint32_t*)0x200004a0 = 0xcb2;
    *(uint64_t*)0x20000788 = 0xa4;
    *(uint64_t*)0x200007d8 = 1;
    *(uint64_t*)0x200007e0 = 0;
    *(uint64_t*)0x200007e8 = 0;
    *(uint32_t*)0x200007f0 = 0;
    syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x200007c0ul, /*f=*/0ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}