// https://syzkaller.appspot.com/bug?id=1271f605df5183682b1dddf8dd890c73f6d996c4
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/socket.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/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#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 use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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;
}

struct nlmsg {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[4096];
};

static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
                         const void* data, int size)
{
  memset(nlmsg, 0, sizeof(*nlmsg));
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_type = typ;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
  memcpy(hdr + 1, data, size);
  nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}

static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
                         int size)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_len = sizeof(*attr) + size;
  attr->nla_type = typ;
  if (size > 0)
    memcpy(attr + 1, data, size);
  nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len, bool dofail)
{
  if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                     (struct sockaddr*)&addr, sizeof(addr));
  if (n != (ssize_t)hdr->nlmsg_len) {
    if (dofail)
      exit(1);
    return -1;
  }
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (reply_len)
    *reply_len = 0;
  if (n < 0) {
    if (dofail)
      exit(1);
    return -1;
  }
  if (n < (ssize_t)sizeof(struct nlmsghdr)) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type != NLMSG_ERROR) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  errno = -((struct nlmsgerr*)(hdr + 1))->error;
  return -errno;
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name, bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = CTRL_CMD_GETFAMILY;
  netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
               strnlen(family_name, GENL_NAMSIZ - 1) + 1);
  int n = 0;
  int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail);
  if (err < 0) {
    return -1;
  }
  uint16_t id = 0;
  struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
                                         NLMSG_ALIGN(sizeof(genlhdr)));
  for (; (char*)attr < nlmsg->buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
      id = *(uint16_t*)(attr + 1);
      break;
    }
  }
  if (!id) {
    errno = EINVAL;
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

static long syz_genetlink_get_family_id(volatile long name,
                                        volatile long sock_arg)
{
  int fd = sock_arg;
  if (fd < 0) {
    fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
    if (fd == -1) {
      return -1;
    }
  }
  struct nlmsg nlmsg_tmp;
  int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name, false);
  if ((int)sock_arg < 0)
    close(fd);
  if (ret < 0) {
    return -1;
  }
  return ret;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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 setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

#define KMEMLEAK_FILE "/sys/kernel/debug/kmemleak"

static void setup_leak()
{
  if (!write_file(KMEMLEAK_FILE, "scan"))
    exit(1);
  sleep(5);
  if (!write_file(KMEMLEAK_FILE, "scan"))
    exit(1);
  if (!write_file(KMEMLEAK_FILE, "clear"))
    exit(1);
}

static void check_leaks(void)
{
  int fd = open(KMEMLEAK_FILE, O_RDWR);
  if (fd == -1)
    exit(1);
  uint64_t start = current_time_ms();
  if (write(fd, "scan", 4) != 4)
    exit(1);
  sleep(1);
  while (current_time_ms() - start < 4 * 1000)
    sleep(1);
  if (write(fd, "scan", 4) != 4)
    exit(1);
  static char buf[128 << 10];
  ssize_t n = read(fd, buf, sizeof(buf) - 1);
  if (n < 0)
    exit(1);
  int nleaks = 0;
  if (n != 0) {
    sleep(1);
    if (write(fd, "scan", 4) != 4)
      exit(1);
    if (lseek(fd, 0, SEEK_SET) < 0)
      exit(1);
    n = read(fd, buf, sizeof(buf) - 1);
    if (n < 0)
      exit(1);
    buf[n] = 0;
    char* pos = buf;
    char* end = buf + n;
    while (pos < end) {
      char* next = strstr(pos + 1, "unreferenced object");
      if (!next)
        next = end;
      char prev = *next;
      *next = 0;
      fprintf(stderr, "BUG: memory leak\n%s\n", pos);
      *next = prev;
      pos = next;
      nleaks++;
    }
  }
  if (write(fd, "clear", 5) != 5)
    exit(1);
  close(fd);
  if (nleaks)
    exit(1);
}

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)
{
  int i, call, thread;
  for (call = 0; call < 13; 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);
      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++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
    check_leaks();
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0x0};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000040, "./file0\000", 8);
    res = syscall(__NR_creat, 0x20000040ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    memcpy((void*)0x200001c0, "team\000", 5);
    res = -1;
    res = syz_genetlink_get_family_id(0x200001c0, -1);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    syscall(__NR_ioctl, -1, 0x8933, 0ul);
    break;
  case 3:
    *(uint32_t*)0x20000040 = 0;
    memcpy((void*)0x20000044,
           "bond0\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000",
           24);
    *(uint32_t*)0x2000005c = 0;
    *(uint16_t*)0x20000074 = 0;
    syscall(__NR_ioctl, -1, 0x8983, 0x20000040ul);
    break;
  case 4:
    *(uint64_t*)0x20001180 = 0;
    *(uint32_t*)0x20001188 = 0;
    *(uint64_t*)0x20001190 = 0x20001140;
    *(uint64_t*)0x20001140 = 0x20000400;
    *(uint32_t*)0x20000400 = 0x2a4;
    *(uint16_t*)0x20000404 = r[1];
    *(uint16_t*)0x20000406 = 1;
    *(uint32_t*)0x20000408 = 0;
    *(uint32_t*)0x2000040c = 0;
    *(uint8_t*)0x20000410 = 1;
    *(uint8_t*)0x20000411 = 0;
    *(uint16_t*)0x20000412 = 0;
    *(uint16_t*)0x20000414 = 8;
    *(uint16_t*)0x20000416 = 1;
    *(uint32_t*)0x20000418 = 0;
    *(uint16_t*)0x2000041c = 0x3c;
    STORE_BY_BITMASK(uint16_t, , 0x2000041e, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000041f, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000041f, 1, 7, 1);
    *(uint16_t*)0x20000420 = 0x38;
    *(uint16_t*)0x20000422 = 1;
    *(uint16_t*)0x20000424 = 0x24;
    *(uint16_t*)0x20000426 = 1;
    memcpy((void*)0x20000428,
           "notify_peers_"
           "count\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000448 = 5;
    *(uint16_t*)0x2000044a = 3;
    *(uint8_t*)0x2000044c = 3;
    *(uint16_t*)0x20000450 = 8;
    *(uint16_t*)0x20000452 = 4;
    *(uint32_t*)0x20000454 = 0;
    *(uint16_t*)0x20000458 = 8;
    *(uint16_t*)0x2000045a = 1;
    *(uint32_t*)0x2000045c = 0;
    *(uint16_t*)0x20000460 = 0xb4;
    STORE_BY_BITMASK(uint16_t, , 0x20000462, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x20000463, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x20000463, 1, 7, 1);
    *(uint16_t*)0x20000464 = 0x38;
    *(uint16_t*)0x20000466 = 1;
    *(uint16_t*)0x20000468 = 0x24;
    *(uint16_t*)0x2000046a = 1;
    memcpy((void*)0x2000046c,
           "notify_peers_"
           "count\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x2000048c = 5;
    *(uint16_t*)0x2000048e = 3;
    *(uint8_t*)0x20000490 = 3;
    *(uint16_t*)0x20000494 = 8;
    *(uint16_t*)0x20000496 = 4;
    *(uint32_t*)0x20000498 = 0;
    *(uint16_t*)0x2000049c = 0x40;
    *(uint16_t*)0x2000049e = 7;
    *(uint16_t*)0x200004a0 = 0x24;
    *(uint16_t*)0x200004a2 = 1;
    memcpy((void*)0x200004a4,
           "lb_tx_hash_to_port_mapping\000\000\000\000\000\000", 32);
    *(uint16_t*)0x200004c4 = 5;
    *(uint16_t*)0x200004c6 = 3;
    *(uint8_t*)0x200004c8 = 3;
    *(uint16_t*)0x200004cc = 8;
    *(uint16_t*)0x200004ce = 4;
    *(uint32_t*)0x200004d0 = 0;
    *(uint16_t*)0x200004d4 = 8;
    *(uint16_t*)0x200004d6 = 7;
    *(uint32_t*)0x200004d8 = 0;
    *(uint16_t*)0x200004dc = 0x38;
    *(uint16_t*)0x200004de = 1;
    *(uint16_t*)0x200004e0 = 0x24;
    *(uint16_t*)0x200004e2 = 1;
    memcpy((void*)0x200004e4,
           "activeport\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000504 = 5;
    *(uint16_t*)0x20000506 = 3;
    *(uint8_t*)0x20000508 = 3;
    *(uint16_t*)0x2000050c = 8;
    *(uint16_t*)0x2000050e = 4;
    *(uint32_t*)0x20000510 = 0;
    *(uint16_t*)0x20000514 = 8;
    *(uint16_t*)0x20000516 = 1;
    *(uint32_t*)0x20000518 = 0;
    *(uint16_t*)0x2000051c = 4;
    STORE_BY_BITMASK(uint16_t, , 0x2000051e, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000051f, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000051f, 1, 7, 1);
    *(uint16_t*)0x20000520 = 8;
    *(uint16_t*)0x20000522 = 1;
    *(uint32_t*)0x20000524 = 0;
    *(uint16_t*)0x20000528 = 0x170;
    STORE_BY_BITMASK(uint16_t, , 0x2000052a, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x2000052b, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x2000052b, 1, 7, 1);
    *(uint16_t*)0x2000052c = 0x3c;
    *(uint16_t*)0x2000052e = 1;
    *(uint16_t*)0x20000530 = 0x24;
    *(uint16_t*)0x20000532 = 1;
    memcpy((void*)0x20000534,
           "user_linkup_"
           "enabled\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000554 = 5;
    *(uint16_t*)0x20000556 = 3;
    *(uint8_t*)0x20000558 = 6;
    *(uint16_t*)0x2000055c = 4;
    *(uint16_t*)0x2000055e = 4;
    *(uint16_t*)0x20000560 = 8;
    *(uint16_t*)0x20000562 = 6;
    *(uint32_t*)0x20000564 = 0;
    *(uint16_t*)0x20000568 = 0x40;
    *(uint16_t*)0x2000056a = 1;
    *(uint16_t*)0x2000056c = 0x24;
    *(uint16_t*)0x2000056e = 1;
    memcpy((void*)0x20000570,
           "priority\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000590 = 5;
    *(uint16_t*)0x20000592 = 3;
    *(uint8_t*)0x20000594 = 0xe;
    *(uint16_t*)0x20000598 = 8;
    *(uint16_t*)0x2000059a = 4;
    *(uint32_t*)0x2000059c = 0;
    *(uint16_t*)0x200005a0 = 8;
    *(uint16_t*)0x200005a2 = 6;
    *(uint32_t*)0x200005a4 = 0;
    *(uint16_t*)0x200005a8 = 0x40;
    *(uint16_t*)0x200005aa = 1;
    *(uint16_t*)0x200005ac = 0x24;
    *(uint16_t*)0x200005ae = 1;
    memcpy((void*)0x200005b0,
           "lb_hash_"
           "stats\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000",
           32);
    *(uint16_t*)0x200005d0 = 5;
    *(uint16_t*)0x200005d2 = 3;
    *(uint8_t*)0x200005d4 = 0xb;
    *(uint16_t*)0x200005d8 = 8;
    *(uint16_t*)0x200005da = 4;
    *(uint32_t*)0x200005dc = 0;
    *(uint16_t*)0x200005e0 = 8;
    *(uint16_t*)0x200005e2 = 7;
    *(uint32_t*)0x200005e4 = 0;
    *(uint16_t*)0x200005e8 = 0x38;
    *(uint16_t*)0x200005ea = 1;
    *(uint16_t*)0x200005ec = 0x24;
    *(uint16_t*)0x200005ee = 1;
    memcpy((void*)0x200005f0,
           "mcast_rejoin_"
           "count\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000610 = 5;
    *(uint16_t*)0x20000612 = 3;
    *(uint8_t*)0x20000614 = 3;
    *(uint16_t*)0x20000618 = 8;
    *(uint16_t*)0x2000061a = 4;
    *(uint32_t*)0x2000061c = 0;
    *(uint16_t*)0x20000620 = 0x40;
    *(uint16_t*)0x20000622 = 1;
    *(uint16_t*)0x20000624 = 0x24;
    *(uint16_t*)0x20000626 = 1;
    memcpy((void*)0x20000628,
           "mode\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000648 = 5;
    *(uint16_t*)0x2000064a = 3;
    *(uint8_t*)0x2000064c = 5;
    *(uint16_t*)0x20000650 = 0xf;
    *(uint16_t*)0x20000652 = 4;
    memcpy((void*)0x20000654, "roundrobin\000", 11);
    *(uint16_t*)0x20000660 = 0x38;
    *(uint16_t*)0x20000662 = 1;
    *(uint16_t*)0x20000664 = 0x24;
    *(uint16_t*)0x20000666 = 1;
    memcpy((void*)0x20000668,
           "mcast_rejoin_"
           "count\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           32);
    *(uint16_t*)0x20000688 = 5;
    *(uint16_t*)0x2000068a = 3;
    *(uint8_t*)0x2000068c = 3;
    *(uint16_t*)0x20000690 = 8;
    *(uint16_t*)0x20000692 = 4;
    *(uint32_t*)0x20000694 = 0;
    *(uint16_t*)0x20000698 = 8;
    *(uint16_t*)0x2000069a = 1;
    *(uint32_t*)0x2000069c = 0;
    *(uint16_t*)0x200006a0 = 4;
    STORE_BY_BITMASK(uint16_t, , 0x200006a2, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x200006a3, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x200006a3, 1, 7, 1);
    *(uint64_t*)0x20001148 = 0x2a4;
    *(uint64_t*)0x20001198 = 1;
    *(uint64_t*)0x200011a0 = 0;
    *(uint64_t*)0x200011a8 = 0;
    *(uint32_t*)0x200011b0 = 0;
    syscall(__NR_sendmsg, -1, 0x20001180ul, 0x20000010ul);
    break;
  case 5:
    *(uint64_t*)0x20001100 = 0x20000040;
    *(uint16_t*)0x20000040 = 0x10;
    *(uint16_t*)0x20000042 = 0;
    *(uint32_t*)0x20000044 = 0;
    *(uint32_t*)0x20000048 = 0x400;
    *(uint32_t*)0x20001108 = 0xc;
    *(uint64_t*)0x20001110 = 0x200010c0;
    *(uint64_t*)0x200010c0 = 0;
    *(uint64_t*)0x200010c8 = 0;
    *(uint64_t*)0x20001118 = 1;
    *(uint64_t*)0x20001120 = 0;
    *(uint64_t*)0x20001128 = 0;
    *(uint32_t*)0x20001130 = 4;
    syscall(__NR_sendmsg, -1, 0x20001100ul, 0x4000ul);
    break;
  case 6:
    *(uint64_t*)0x20000680 = 0;
    *(uint64_t*)0x20000688 = 0;
    *(uint64_t*)0x20000690 = 0;
    *(uint64_t*)0x20000698 = 0x20000640;
    *(uint32_t*)0x200006a0 = 0xffffffe1;
    *(uint32_t*)0x200006a4 = -1;
    *(uint64_t*)0x200006a8 = 0;
    *(uint64_t*)0x200006b0 = 0;
    syscall(__NR_bpf, 0x1aul, 0x20000680ul, 0x38ul);
    break;
  case 7:
    *(uint64_t*)0x20000080 = 0;
    syscall(__NR_write, r[0], 0x20000080ul, 0xfffffe5eul);
    break;
  case 8:
    memcpy((void*)0x20000100, "./bus\000", 6);
    syscall(__NR_mkdir, 0x20000100ul, 0ul);
    break;
  case 9:
    memcpy((void*)0x20000400, "./file1\000", 8);
    syscall(__NR_mkdir, 0x20000400ul, 0ul);
    break;
  case 10:
    memcpy((void*)0x20000040, "./bus\000", 6);
    memcpy((void*)0x20000080, "overlay\000", 8);
    memcpy((void*)0x20000000, "upperdir=./bus,workdir=./file1,lowerdir=.", 41);
    syscall(__NR_mount, 0ul, 0x20000040ul, 0x20000080ul, 0ul, 0x20000000ul);
    break;
  case 11:
    memcpy((void*)0x200001c0, "./bus\000", 6);
    syscall(__NR_chdir, 0x200001c0ul);
    break;
  case 12:
    memcpy((void*)0x20000140, "./file0\000", 8);
    syscall(__NR_open, 0x20000140ul, 0x14dc81ul, 0ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  setup_leak();
  for (procid = 0; procid < 8; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}