// https://syzkaller.appspot.com/bug?id=91239a148a55fc6a656324f6f4823f8ad9f0a4bc
// 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/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>

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;
  for (i = 0; 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);
}

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);
}

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_RELAXED))
      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[1024];
};

static struct nlmsg nlmsg;

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;
  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)
{
  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;
  unsigned n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                      (struct sockaddr*)&addr, sizeof(addr));
  if (n != hdr->nlmsg_len)
    exit(1);
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (hdr->nlmsg_type == NLMSG_DONE) {
    *reply_len = 0;
    return 0;
  }
  if (n < sizeof(struct nlmsghdr))
    exit(1);
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
    exit(1);
  if (hdr->nlmsg_type != NLMSG_ERROR)
    exit(1);
  return -((struct nlmsgerr*)(hdr + 1))->error;
}

static int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL);
}

static int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset,
                            unsigned int total_len)
{
  struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset);
  if (offset == total_len || offset + hdr->nlmsg_len > total_len)
    return -1;
  return hdr->nlmsg_len;
}

static void netlink_device_change(struct nlmsg* nlmsg, int sock,
                                  const char* name, bool up, const char* master,
                                  const void* mac, int macsize,
                                  const char* new_name)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  hdr.ifi_index = if_nametoindex(name);
  netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
  if (new_name)
    netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
  if (master) {
    int ifindex = if_nametoindex(master);
    netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
  }
  if (macsize)
    netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  (void)err;
}

const int kInitNetNsFd = 239;

#define DEVLINK_FAMILY_NAME "devlink"

#define DEVLINK_CMD_PORT_GET 5
#define DEVLINK_CMD_RELOAD 37
#define DEVLINK_ATTR_BUS_NAME 1
#define DEVLINK_ATTR_DEV_NAME 2
#define DEVLINK_ATTR_NETDEV_NAME 7
#define DEVLINK_ATTR_NETNS_FD 138

static int netlink_devlink_id_get(struct nlmsg* nlmsg, int sock)
{
  struct genlmsghdr genlhdr;
  struct nlattr* attr;
  int err, n;
  uint16_t id = 0;
  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, DEVLINK_FAMILY_NAME,
               strlen(DEVLINK_FAMILY_NAME) + 1);
  err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
  if (err) {
    return -1;
  }
  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) {
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0); /* recv ack */
  return id;
}

static void netlink_devlink_netns_move(const char* bus_name,
                                       const char* dev_name, int netns_fd)
{
  struct genlmsghdr genlhdr;
  int sock;
  int id, err;
  sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock == -1)
    exit(1);
  id = netlink_devlink_id_get(&nlmsg, sock);
  if (id == -1)
    goto error;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = DEVLINK_CMD_RELOAD;
  netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
  netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
  netlink_attr(&nlmsg, DEVLINK_ATTR_NETNS_FD, &netns_fd, sizeof(netns_fd));
  err = netlink_send(&nlmsg, sock);
  if (err) {
  }
error:
  close(sock);
}

static struct nlmsg nlmsg2;

static void initialize_devlink_ports(const char* bus_name, const char* dev_name,
                                     const char* netdev_prefix)
{
  struct genlmsghdr genlhdr;
  int len, total_len, id, err, offset;
  uint16_t netdev_index;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock == -1)
    exit(1);
  int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (rtsock == -1)
    exit(1);
  id = netlink_devlink_id_get(&nlmsg, sock);
  if (id == -1)
    goto error;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = DEVLINK_CMD_PORT_GET;
  netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
  netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
  err = netlink_send_ext(&nlmsg, sock, id, &total_len);
  if (err) {
    goto error;
  }
  offset = 0;
  netdev_index = 0;
  while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) {
    struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN +
                                           NLMSG_ALIGN(sizeof(genlhdr)));
    for (; (char*)attr < nlmsg.buf + offset + len;
         attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
      if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) {
        char* port_name;
        char netdev_name[IFNAMSIZ];
        port_name = (char*)(attr + 1);
        snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix,
                 netdev_index);
        netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0,
                              netdev_name);
        break;
      }
    }
    offset += len;
    netdev_index++;
  }
error:
  close(rtsock);
  close(sock);
}

static void initialize_devlink_pci(void)
{
  int netns = open("/proc/self/ns/net", O_RDONLY);
  if (netns == -1)
    exit(1);
  int ret = setns(kInitNetNsFd, 0);
  if (ret == -1)
    exit(1);
  netlink_devlink_netns_move("pci", "0000:00:10.0", netns);
  ret = setns(netns, 0);
  if (ret == -1)
    exit(1);
  close(netns);
  initialize_devlink_ports("pci", "0000:00:10.0", "netpci");
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (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");
}

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;
  int collide = 0;
again:
  for (call = 0; call < 7; 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);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  if (!collide) {
    collide = 1;
    goto again;
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    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 (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res;
  switch (call) {
  case 0:
    memcpy((void*)0x20000300, "./file0\000", 8);
    res = syscall(__NR_open, 0x20000300ul, 0x86842ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    memcpy((void*)0x20000040, "./file0\000", 8);
    res = syscall(__NR_open, 0x20000040ul, 0ul, 0ul);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    memcpy(
        (void*)0x20000800,
        "\x3b\x27\xa4\xb4\x6e\xe9\x2b\x4a\x59\x07\x3c\x36\x9a\x5e\x19\xf9\xdb"
        "\x15\x3c\x4f\xdb\xc7\x6a\xa2\xa4\xbb\x9f\x3e\x5e\x1a\xa1\x97\xa9\xe9"
        "\x7d\x10\x16\xc0\x18\x13\x79\x2e\x50\xc2\x69\x2c\x17\x5a\xad\x71\x5d"
        "\x11\x0a\x89\x29\x49\xcc\xc6\xe2\xe5\x4c\x2d\x5c\x8f\x0b\x79\x32\xb6"
        "\x97\x97\xf2\x17\x16\x8b\x0c\x1f\xeb\x12\x8a\xe3\x4f\x0d\xaf\x48\x7a"
        "\x70\xb5\xc1\x17\xac\xd4\x37\x25\xfe\x17\x99\x36\x34\xf1\x69\x5d\xab"
        "\xd7\xf9\x98\xcd\x55\xe9\xd5\xbd\x91\x1e\x86\xaa\x7a\x4a\xd7\x5a\x57"
        "\x4b\xb9\x69\x3d\xd6\x01\x8b\x25\xd9\x42\xa9\x54\x4b\xca\x1e\xbb\x0e"
        "\x8d\x10\xc0\x92\xcd\xcb\x85\x79\x76\x73\x97\x20\x99\xe4\x04\x1a\xaf"
        "\x8d\x63\x6f\x66\xcb\x11\x03\xef\x20\x50\xad\x28\xfa\xba\xed\x33\xd6"
        "\x92\x78\x89\xd9\x7f\x4b\x5c\xe0\xde\x71\xd3\xfd\x83\x29\x80\xf4\xf0"
        "\x88\xd0\xd8\x24\xe2\x05\x49\xb4\xbb\xd9\x06\xff\xa5\x1c\xe9\xde\x54"
        "\xd7\x79\xeb\x4d\xe4\x62\xfa\xac\x20\xa3\xab\x0e\xd9\x93\x43\x73\xca"
        "\x22\xce\xa5\x45\x4f\x4c\x2a\x74\x0c\xd4\x61\xe3\x99\x56\xbb\x5f\x98"
        "\xdf\x2a\xeb\xc6\x0c\xf3\x26\x23\xad\xbf\xfb\xcc\x37\x8f\xa7\x25\x0b"
        "\x6a\x3f\xc8\x63\xda\xdc\xf6\xd4\xf8\xb8\x04\xbf\xe7\x0f\x07\x96\xee"
        "\xe6\x21\x84\x45\xda\xd2\x81\x1d\xd6\xb5\x40\xff\x52\xef\xa2\xf1\x67"
        "\xdd\x9c\x1b\x8b\x01\x62\x68\xd3\x7d\xb4\x30\x98\x3f\xef\xc0\x64\x5d"
        "\x20\x61\x4c\x8d\xf2\xeb\x08\x72\xc5\x8e\x09\x66\x4e\x67\x2b\x0b\x6a"
        "\x99\x70\xfe\xc1\x99\x25\x7e\x1c\x60\x6e\xc3\xe3\x64\xc6\x6a\x0f\x4d"
        "\x25\x8c\x74\xac\xcd\x43\xb9\x87\xc7\x56\xd6\x02\xfd\x87\x87\xfe\xd3"
        "\xaa\x43\xfd\x8d\x84\xe9\x65\x6d\x4a\x41\x3f\xa9\xa4\x23\xbc\x54\xb8"
        "\x73\x58\x3d\x6d\x49\x70\x05\xe5\x47\x12\xfa\xfc\x71\x38\x49\x88\xd8"
        "\x01\x34\xfb\xf8\x4f\x53\xfd\xd7\x4b\x35\x48\x48\x00\x6b\x8b\x5b\x67"
        "\xe7\xcc\x5a\x47\x24\x75\xd3\xae\x54\x5c\xa1\xfc\xf7\x62\x8b\x87\x3e"
        "\x31\xba\x83\xa9\x8a\x7a\xd5\xb0\xcf\xbe\x97\x11\xb5\x17\xa9\xa1\x38"
        "\x8a\xd0\xef\xa2\xa3\xb4\xe2\x21\x52\x02\x1d\x63\x1b\x73\x1e\x2e\x10"
        "\x0a\x98\x31\x11\x1d\xb7\xac\xce\x94\x8b\xb5\xde\xee\xa2\x60\x46\x3c"
        "\x14\x0a\xc9\x29\xe7\x7c\x58\x40\x27\x76\xca\xf8\x5d\x45\x69\xa7\x5d"
        "\xde\x2f\x64\xc4\x49\x15\x08\xaf\xb5\x41\xed\x9b\x2c\x81\xfc\x95\xc0"
        "\x67\x06\x23\x5f\x38\x3e\x31\xcf\x66\x2c\x95\xb1\xe4\x9c\xfd\x94\x87"
        "\x1e\x22\x72\x0a\x41\x53\x57\x56\xe4\x19\xb2\x71\x27\x69\x41\x69\x2b"
        "\xd0\x23\xdd\x9c\xa8\xbe\xc4\xf7\xdb\x1e\x5c\x00\xd8\xb3\xbe\x7b\x8e"
        "\x82\x6a\x6a\xad\xd0\x01\xed\xd0\xdf\xeb\x00\xf8\x04\x84\x42\xb5\xc4"
        "\x84\x56\xfd\x64\x2e\x62\x9d\xcb\x2f\xf5\x55\x92\x66\x5f\xf4\x91\xcd"
        "\x83\x26\x72\xce\x4d\x99\x9d\xa1\x86\xdb\x2c\x3a\x1f\x8b\x6b\x1f\x7d"
        "\x37\x50\xd7\xcd\xb3\x09\x79\x54\xe6\xe1\x4f\xb2\x18\x3a\xd6\x62\xc6"
        "\x3d\x4c\xe8\xb8\x2d\xc2\x48\x7f\x0f\xe2\xea\x28\x27\xb5\x3a\x7c\x6d"
        "\xcc\xed\x87\x8d\x2f\xb2\x9c\x1d\x3f\xf5\x83\x57\x0e\x7b\xc1\x72\xd1"
        "\xa5\xc7\x16\xe0\x44\x7c\xb0\x8c\xe3\xc4\x68\xff\xdf\x97\x5d\xa3\x72"
        "\xf3\xf3\xeb\x45\x5a\xaf\x58\x22\xbc\x04\xa5\x1b\x6c\xad\x24\xa2\x33"
        "\x13\x69\xdf\x81\xc1\x23\xb0\x09\xa2\x38\x1b\x42\xe9\xae\xb0\x77\xf6"
        "\x21\x60\x8d\x81\xc1\x2a\x5f\x5c\x6c\x29\x5d\x74\xaf\xd4\xdd\x5c\x05"
        "\x12\x96\xbe\x0b\x54\xc7\x0b\xf8\x99\xb3\x47\xc3\x6b\xff\x62\xf3\x13"
        "\x07\x99\x83\x40\x9d\x7f\x9c\xf1\x24\x2c\x91\x79\x85\xc1\xb5\xd0\x73"
        "\x6f\xe2\x1f\x85\x14\xf6\x3d\x03\x69\xa3\x74\xc4\x2d\xa4\x0b\xd5\x14"
        "\x0b\xc3\xe6\x02\xd0\x0c\x3c\xb4\xf8\xe6\x21\x86\x3a\xb4\x74\x22\x77"
        "\x8d\x67\xd7\x2d\xe3\x47\x53\xfd\x72\xce\xf8\x06\x49\xa1\x54\x8e\x4e"
        "\x8d\xcb\xcf\xfe\x40\x54\xcc\x9d\x8a\x1f\x92\x26\x23\xa7\x59\x04\xcb"
        "\xda\xac\xde\x76\x81\x31\xe5\x87\x26\x9a\x4a\x99\xd8\x2f\x70\x09\xc1"
        "\xb8\xab\x79\xaa\x23\x2a\x2f\xd4\x5a\xd7\x1b\x60\xfc\xa6\x27\x57\x6b"
        "\x31\xe5\xfa\x6a\x87\x52\x58\x84\xb0\x8d\x72\x1a\x21\x40\x0f\xb1\xf9"
        "\x50\xb9\x6e\xad\x82\xf4\x08\xcc\x43\x88\xd3\xb7\x8f\xb4\x56\x61\x64"
        "\x29\xa5\x20\x65\x6d\x5e\x5a\x87\x6f\xd0\x47\x48\x49\x89\x02\xc8\x6f"
        "\x58\xd4\x5f\x4c\x1b\x39\x19\xeb\x84\x6a\x00\xed\xf0\x7e\x7a\x83\x0b"
        "\xf7\x23\xe4\x77\x4f\x08\x5f\x15\x53\x4d\xd3\xb5\x24\x6c\x0c\x09\x70"
        "\xb5\xad\x7b\xb3\x9b\x30\xb1\x56\xa9\x43\x03\x78\xc5\xb0\xaa\xb1\x26"
        "\x1c\x78\xd7\x2a\xc3\x01\xcd\x55\x2d\x5e\x8d\xd4\xb6\x42\xec\x1d\xc0"
        "\x67\x27\x45\xd5\x93\xbb\x26\xd0\x95\xb5\xb2\x35\x76\xe3\xcf\xd6\xab"
        "\x58\x0f\x6e\x09\x41\x9d\x0f\x0c\x64\x25\x0f\xaf\xaa\x37\x59\xaa\x18"
        "\x88\xda\x48\xd8\x9c\x3f\x7c\x94\x54\xb0\xb3\xd0\xab\x40\x44\x5f\x5b"
        "\xed\x44\x93\xef\x43\xab\x08\xf3\x1b\x13\x45\xac\x4f\xfd\x94\xad\x79"
        "\xc9\xee\xe5\x39\x04\xed\x6f\x57\x28\x17\x15\x31\x90\xd2\xe6\x86\x3f"
        "\x2e\x39\x35\x6b\xb9\x99\x26\x41\x9f\xd3\x14\x34\x1a\x53\x6b\x7e\x76"
        "\xca\xe6\x0b\xf7\x75\x0a\x4c\x29\xe3\xf4\xc7\xf0\x05\x53\x0b\x1d\x4e"
        "\xe0\xe2\x5b\x93\xb7\x6f\xcc\x11\x08\x22\x2f\x0b\x00\xde\x52\xcf\x41"
        "\x00\xe9\x7a\xdf\xd7\xb9\xdb\x13\x70\x58\x6b\xa2\x7e\x1e\x18\x32\x99"
        "\xbe\x00\xd0\xdf\x84\x39\xc3\x80\xed\xf2\xf7\x9d\xeb\x44\x1e\xac\x59"
        "\xb8\x14\xb0\x4a\xcc\xdf\xf5\xe1\x7f\x02\x04\x61\x39\xf9\x1f\x03\x32"
        "\x66\x16\x76\xff\x50\x6e\x57\x5f\x0c\xb2\x85\x0b\xcc\x9f\x86\x66\xf6"
        "\xd1\xf6\x9f\x8f\x42\x71\xcb\x80\x4a\x79\xfc\xcd\x70\x16\xf0\x49\xd1"
        "\xa4\x94\xc4\x6a\x52\x7c\x43\x7f\xa0\xbe\x6d\x51\xec\x75\x43\xd9\xbd"
        "\x7a\x2f\x01\x61\x94\xeb\xe3\xc9\x90\x80\xa6\xc9\xb5\x11\x98\x63\xdf"
        "\xe8\x65\xf8\xe6\x0c\xae\x29\xf5\x0b\x67\xdb\xfa\xa0\xa3\xc9\x79\x4d"
        "\x73\x03\x44\x85\xca\x16\x13\x34\x4c\x57\x27\x83\xdb\x3d\xfa\xb0\x1b"
        "\x28\x08\x9c\x51\xcd\xa9\x9c\xef\xa4\xc1\xc8\x81\xa2\x9e\x22\x9f\x04"
        "\xc7\xe0\xfd\x04\xdc\x42\x5a\xe8\x41\x78\x52\xe6\xe3\x15\x20\xc6\x20"
        "\x7e\x9d\x4e\x35\x28\x5f\xee\xf2\xa2\xcb\x8a\x3b\xce\xb0\x8a\x16\x6f"
        "\xa4\x28\x4a\x51\x63\x62\x62\x1e\x2c\x06\x73\x1a\x44\x27\x91\xf1\xdb"
        "\x06\x3a\x32\xcf\x1f\x00\x5c\x91\x41\x02\xc7\x27\x3c\xb4\xd7\xab\x1b"
        "\xf5\x67\xd7\x2f\x23\x07\x83\xd2\xea\x99\xc4\x3a\x60\xe8\x72\x91\x32"
        "\x44\x1e\xe6\xc5\x36\x2c\x33\xf9\xb6\x13\xf8\x44\x17\xc3\xc5\x54\x9f"
        "\x4e\x3d\x9e\x73\xc6\xf8\x3f\x16\xc8\xe5\x7a\xe2\x2f\xe5\xf5\x45\x15"
        "\xe1\x11\xfe\x43\xad\x7c\x40\x0d\x21\x42\x81\x45\x2b\xb6\x14\x1c\xec"
        "\xad\x84\xb2\x3a\x69\x5f\x06\x19\x88\xd9\x06\xd0\x3b\xe5\xd8\x95\x84"
        "\x63\x4b\x9e\x9d\x9a\x9b\x07\x2f\x8e\x7c\xbb\x47\xc4\x77\x19\x31\x8a"
        "\x20\x01\xca\xfa\x66\x5d\xd2\xc8\x26\x72\xd1\x68\x77\xea\x11\x5b\xd0"
        "\x23\xfc\x19\x75\xf7\xc5\x96\x64\xbf\xb0\x6f\x66\xa1\xa5\xe3\xf0\x5c"
        "\xb2\x83\xfb\x45\xea\x67\xa2\x72\x7e\xe6\xe1\x0b\xf3\x5b\x31\xfd\xd0"
        "\x3d\x43\xec\x67\xb7\x53\xf6\x73\x7e\x0d\x2f\x4a\x52\x75\x03\x15\x95"
        "\x87\x8c\xef\xc8\xf0\xca",
        1536);
    syscall(__NR_write, r[0], 0x20000800ul, 0x600ul);
    break;
  case 3:
    syscall(__NR_sendfile, r[0], r[1], 0ul, 0x10000ul);
    break;
  case 4:
    res = syscall(__NR_open, 0ul, 0x86842ul, 0ul);
    if (res != -1)
      r[2] = res;
    break;
  case 5:
    res = syscall(__NR_open, 0ul, 0ul, 0ul);
    if (res != -1)
      r[3] = res;
    break;
  case 6:
    syscall(__NR_sendfile, r[2], r[3], 0ul, 0x10000ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0);
  loop();
  return 0;
}