// https://syzkaller.appspot.com/bug?id=e7cbd9d7047a1c4e14bbdc194a7d87de1f168289
// 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 <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/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 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)
{
  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 (reply_len)
    *reply_len = 0;
  if (hdr->nlmsg_type == NLMSG_DONE)
    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_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name)
{
  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);
  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) {
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

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

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");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; 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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, 2ul, 0xaul, 0x10);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20001000, "wlan0\000\000\000\000\000\000\000\000\000\000\000",
         16);
  syscall(__NR_ioctl, r[0], 0x8914, 0x20001000ul);
  *(uint64_t*)0x20001280 = 0;
  *(uint32_t*)0x20001288 = 0;
  *(uint64_t*)0x20001290 = 0x20001240;
  *(uint64_t*)0x20001240 = 0x20000080;
  memcpy((void*)0x20000080, "\xb0\x0f\x00\x00", 4);
  *(uint16_t*)0x20000084 = 0;
  memcpy((void*)0x20000086, "\x00\x00\x00\x96\x52\x00\x03\x00", 8);
  *(uint32_t*)0x2000008e = 0;
  memcpy(
      (void*)0x20000092,
      "\x06\x00\x66\x00\x00\x00\x00\x00\x04\x00\x67\x00\x6a\x0f\x33\x00\x70\xb5"
      "\xa3\x6f\x21\x6e\x34\xd2\x33\x8f\x4e\xd9\xa7\x77\x4e\xac\x4e\x6f\xfc\xd3"
      "\xf6\xaa\xa3\xc3\x4f\xf3\x38\x9d\x2c\x41\x46\xf0\x78\xa5\xdc\xd1\xad\x60"
      "\x61\x13\x94\x19\xb2\xc3\xf8\xa1\x6f\x7e\x68\x20\xf5\x1f\x61\xb2\x5f\xe2"
      "\xf0\x33\x44\xe6\xac\x3c\x42\x2b\xb3\xe6\xc6\xb7\xb2\x36\xf2\x21\xca\xcf"
      "\xfa\xd5\x43\xa4\x91\x18\xc9\x4a\x01\x2a\xda\x60\xb6\x10\x27\x8b\xd3\x48"
      "\xb2\xc0\x12\x4f\x59\x80\xde\xc1\x6b\xd7\x0c\xff\xf5\xbe\xc9\x9c\x20\xb0"
      "\x7d\x91\xd3\xca\x14\xfe\x18\x79\x54\x20\x5d\xe7\xdb\x7f\xdc\x9f\x80\x6a"
      "\x20\x0f\x99\xaa\xf3\x0e\x36\xd3\x4c\x89\x86\x9c\xf1\xe9\x5f\x55\xb3\x83"
      "\x23\x5b\x5c\x07\xcf\xc7\xde\xc8\xea\xad\x71\x93\x46\xd1\xed\xd5\x61\xa8"
      "\x66\x1d\x57\xe6\x21\xf4\xd2\x56\x87\xfa\x5b\x24\x5a\xd1\xb8\x9b\x58\x73"
      "\x65\x35\x63\x54\x43\x48\x09\xd6\x40\x20\xa9\x49\x0f\xca\xed\x02\x76\x89"
      "\x0b\x55\xe7\x16\x0a\x60\x70\xab\xc8\xac\x01\xd1\x5b\x12\x0f\x0b\xd5\xf4"
      "\xff\x05\xc6\x3d\xcf\xc8\xba\x95\xd3\x6e\xd0\x8c\x5f\x29\x93\x7b\x29\x3b"
      "\x0d\x24\xce\x7c\xde\x1b\xeb\x2d\x65\x60\x36\x5b\x59\x0b\x29\x0a\x62\x81"
      "\x8b\x5a\x3b\x8d\x87\x45\x57\x81\x60\x71\x10\x45\x14\x7b\x2f\x54\xba\x95"
      "\xba\x71\x22\xf7\x65\xc5\xa5\xea\xa1\x53\x1c\xef\x8f\x67\x69\x9b\x47\x60"
      "\x65\xfd\x16\x75\xec\xe8\x67\x6e\xac\xa8\xc4\x53\x72\x59\x04\x3c\xa7\x9d"
      "\x8a\xb4\x77\xaf\xca\xe2\x65\x17\xd1\x4a\x99\xa4\x90\x8f\x67\x79\x45\x9d"
      "\x53\xf6\x71\x35\x91\xd8\x36\x15\x73\x1d\x46\x3c\xaa\xf7\x74\xa9\xd6\x6f"
      "\xb7\x83\x45\xc3\xd3\x0e\xe4\x29\xbb\xa1\xd4\xf6\xb6\x85\xcb\x98\x45\xef"
      "\x52\xc8\x6e\xb0\x89\x87\x17\x75\x60\x38\xa3\x2f\xab\x83\x50\xe6\xbf\xa5"
      "\xf6\x2d\x8f\xea\xd8\xe7\xc8\xf2\xf3\x06\xbd\x73\xcc\xda\x6b\xe2\x9f\xff"
      "\x8a\xe8\xee\x0c\x77\x9a\x35\x8e\x2c\xb4\x94\xef\xcd\x64\x59\xa6\x02\x36"
      "\x1e\x14\xca\x56\xf5\x51\x26\x8e\xd2\xbd\xc7\x03\x0f\xb6\xa4\x5e\xa9\x7a"
      "\x68\xec\x61\xb6\x47\x14\x53\x1f\x6b\x3b\x76\x08\x97\xb0\x0e\x81\xee\xd5"
      "\x9a\xb9\xd4\xa1\xc3\x5b\x5f\x1e\x76\x96\xcf\x71\xf3\x11\xbb\xb3\xdb\x1e"
      "\xfe\x24\x51\x95\x23\xdf\xb5\xf8\x27\xde\x6a\x78\xf7\x7d\x50\x91\x09\xce"
      "\x28\x37\xa6\x1e\x5b\x5b\xc8\x03\x39\x55\xaf\xfd\x68\xf9\x3d\x02\x67\xb7"
      "\x30\x82\xfe\x1f\xf1\xd3\x4d\xa9\xed\xf1\xe6\xd9\x6a\xd0\xa1\x84\xba\x41"
      "\x04\xf2\x7a\x55\x95\xa6\x3e\x30\x24\xe6\x7d\x68\xee\xf8\x79\x93\x47\x64"
      "\xb1\xf4\x39\xed\x57\xe4\x61\xab\x72\xe2\xa8\x2c\xa7\xf0\xc8\x9f\x74\x90"
      "\xb6\x5a\x1d\xfa\xc3\x6d\xff\xab\x60\x76\x5b\xdd\x0f\xe3\x55\x2a\xf2\x70"
      "\x3a\xb0\x72\xa9\xe8\xc3\xbd\x5e\xc6\x29\xb8\x48\x3b\xf9\x8c\x11\xfc\xe7"
      "\x90\x69\xe2\x86\x85\xb6\xe5\xdf\x08\xd4\xd7\xe4\xd3\xe9\xab\xcc\x65\xa9"
      "\x7b\x09\xfe\x06\x5d\xec\x3b\x22\xbb\x32\x99\xb7\x75\xcb\xa1\x5a\x48\x1b"
      "\x8c\x7d\x8d\x7f\x0a\xb4\xa0\x02\x2c\xf3\x47\x0e\x99\x05\x42\x3f\x9d\x02"
      "\xa9\xb7\x47\x66\xac\xf8\x0b\xce\x07\x2a\xa4\x53\xe8\xae\xa6\x11\xc0\x18"
      "\x1f\xe2\x2a\x3d\xcf\xb4\xc4\x29\xd0\x28\xb0\xf6\x83\x8e\xc4\x10\x08\xea"
      "\xbe\xcc\x80\x1f\x3e\xa5\xb7\xab\x61\x4e\x19\xa6\x06\x7a\xc4\x22\x05\xfe"
      "\xde\x87\x3c\xd4\xc3\x6d\xb5\x3d\xd2\x1d\xbc\x8c\xeb\xf3\x99\x6a\x7a\x22"
      "\x7f\x06\x4e\xef\xd9\x32\x89\x9f\xda\x3b\xbd\xf7\x00\xef\x81\x8d\xbb\xaf"
      "\xc2\x11\xf1\x4b\xad\xd7\x32\x14\xc9\x14\x4d\xda\x61\x8e\xd4\x53\x84\x20"
      "\x58\xe8\x96\x12\xe5\x18\xb1\xa1\x2d\xb6\xd8\x9a\xfd\x16\x1b\xc0\xe0\x5e"
      "\xf6\x3a\x0d\xb7\x7c\x5a\x44\x4c\xa5\x06\x45\x46\x64\x4b\x0e\xce\x24\xe5"
      "\xcd\xc4\x18\x44\x13\x23\x9e\xa5\x71\x2c\x33\x9b\x70\x89\xbe\xd5\x0e\x83"
      "\xf3\xb8\x10\x7a\xa1\x3a\xbf\xb2\xf6\x70\xb7\x48\xd7\xa7\x31\x6e\x2d\x98"
      "\x67\x2f\x26\x8a\xc8\xee\x86\x23\x97\x93\x27\x89\xb2\x69\x01\xde\x60\x33"
      "\x46\xdd\x9d\xa0\x11\xa8\x04\x42\xce\xe6\x69\x28\xab\x43\xa3\x76\x86\x14"
      "\x56\x54\x68\xf0\xda\xf2\xcb\x99\x32\x15\x34\xc2\x69\x91\x56\xf6\xe1\x10"
      "\x92\x0b\x93\x1d\x5d\x1b\xf5\xed\x54\xa4\xbd\x02\x92\xff\xb5\x8b\x40\x8d"
      "\x42\xb0\x8a\x39\x26\x51\xd2\x7d\x0e\xa5\x3e\xd4\x91\xd1\xc2\x11\xb4\x0d"
      "\x22\x02\x19\x7b\x02\xe0\x0a\x3c\x88\x72\x47\x4d\xc7\xf7\x4a\x5a\xe3\x38"
      "\xe9\xf6\x2d\x92\xff\x70\x7a\x7a\xac\x38\xd3\xa7\x97\x67\x7a\xc9\x52\x97"
      "\x1f\xec\x14\x7a\x6d\x55\x16\xf5\x2a\x82\x44\xa7\x3d\x6c\x6f\x74\x2a\x4d"
      "\xa9\x1c\x73\x3f\xc0\xe0\x04\x6e\xf1\x05\x23\x91\xc3\xb2\xb9\x7b\xde\x71"
      "\x52\x43\x14\x73\x0c\x0c\x62\xa6\x0c\xf4\x81\x7a\x3b\x48\xdf\xee\xfb\xf8"
      "\x27\xf1\x3d\xef\xc6\x86\x3a\x7a\x3b\x8b\xbb\xcc\x4b\x6c\xee\x2c\xe5\xc9"
      "\xa5\xab\xae\x2b\xa6\x5d\x16\xf4\xce\x55\x00\xd6\x31\x41\x87\x5f\xcc\x62"
      "\xd5\x33\x7e\x62\x76\x84\xc0\x14\x0a\x52\xcd\x93\xdb\xdf\x00\x39\xed\xd2"
      "\x29\x83\x03\x44\x5b\xe7\xb5\x06\x34\x5a\x58\x4d\x4a\x32\xbf\xc1\x1e\xe2"
      "\xb5\xc3\x7b\x1a\x96\x7a\xf2\x98\xb8\x10\x44\xff\x3e\xdf\x80\x7e\xc5\x8d"
      "\xc9\xf6\x9b\xa1\x84\xd5\x87\x31\xe8\xc4\x25\xff\x4a\x57\x0b\xb1\x88\xf3"
      "\xb2\xae\xdc\x34\xcf\x84\x79\x7c\x78\xa6\xc7\x89\x27\x6d\x1b\x25\x99\x38"
      "\x1c\xc5\x44\x7b\x3b\xe6\x59\xc8\xea\x44\x2c\x79\x79\xe5\xb7\xa3\x7f\xad"
      "\xda\x42\xbc\x05\xee\x3c\x49\x04\x0b\xbe\x8c\xc8\x34\x74\x5c\xb0\xfa\x79"
      "\xf9\x3f\x39\xa2\x26\xe5\x16\x36\x34\x27\xa8\x00\x15\x79\x85\x03\x7a\xab"
      "\xd4\x71\x6b\xe8\x2c\xd2\xc3\x3d\xd9\x97\x4d\x84\x5a\xd8\xb6\xaa\x7e\xcf"
      "\x11\xc8\x17\xf1\xca\x04\x76\xd3\x5a\x25\x46\x12\xe1\x4e\xb1\x96\x6d\xd7"
      "\xb5\x8e\xb9\xda\x1f\xae\x32\xe2\x20\xb7\x4f\x73\x9d\xd0\x24\xca\xeb\x79"
      "\x29\xcb\x50\xd6\x0f\xba\x4d\x5a\xe5\x46\xae\x8e\x08\xcd\x49\x0a\x18\x65"
      "\x73\xe9\x40\x59\x6e\xb9\xc7\xf5\xba\x08\xb7\xcc\x0c\xa0\x5c\x65\x86\xaf"
      "\xa3\xc0\x22\xf8\x19\xee\xe6\x4a\x15\xff\x8b\x43\x75\x7a\x98\xcc\x8b\x2d"
      "\xd1\x9c\x74\x07\xf9\xc8\xd2\xac\xd7\xda\x16\xd3\x53\xdf\x5e\x6e\x15\x4a"
      "\xcc\x82\x9f\xa7\x51\x3a\xef\x61\x77\x59\x7e\x85\x74\x4d\x9a\x2a\xce\xd9"
      "\x6b\x76\x71\x04\xbf\xc1\x3b\x5b\xd7\x36\x94\xf0\x09\x1b\x5f\x3c\x7d\x6d"
      "\x98\x51\xf7\x7f\xd8\xc9\xf4\xf7\x09\xc7\xec\x3d\x30\x9c\xe8\xd5\xf2\x65"
      "\x96\x76\x2f\xf6\xad\x74\x3c\x82\xec\xa3\xf2\xc8\x22\x1c\x39\x58\x0f\x88"
      "\x0b\xcc\x3f\x57\xb4\x21\x7b\x33\xcf\x88\x4a\x9c\x8b\x95\x4d\x40\xb1\x2e"
      "\x48\x37\xdd\x8e\xf1\x78\x16\xab\x6f\x17\x9e\xf9\xc8\x1f\x31\x89\x5f\x58"
      "\xdd\x3f\x5f\xd0\xb3\x74\x4d\xc5\xe4\x7b\x72\x39\x56\xf4\xf7\x5a\xfe\x25"
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      "\x49\xd8\x19\x14\x3f\x63\xfb\x44\xe5\x2d\xe2\x73\xbf\x57\xba\x4b\xde\x36"
      "\x17\x55\xae\x94\x9c\xb5\xac\xa8\x67\x20\xe6\x45\xa9\x2c\xcb\x2b\x47\x5a"
      "\x90\x9b\x31\x66\xc9\x29\xcb\xf6\x27\xf5\x5a\x81\xce\xdd\x4a\x19\xb2\x6e"
      "\x7f\xdf\xb7\xa0\x5c\x2d\x03\x4f\xd4\x99\xd7\xfb\xbb\x44\xfc\xdf\xd1\x62"
      "\x50\xd7\xfa\xa8\xf4\xee\xe0\x7e\xf6\x18\x5a\x3e\x6c\x90\x0a\x33\x7b\x68"
      "\x6a\xb0\x18\x65\xef\x8b\x3c\x72\x09\xf1\xff\x68\x98\x9d\x04\xc9\xb6\xdd"
      "\x6f\x8a\x33\x2d\x74\xe2\xb4\xf4\x41\x4f\xc0\x5a\xf0\xbf\x09\x49\xc2\x19"
      "\xfb\xdc\x45\xbd\xee\xe7\x1a\x0f\x24\xd2\xa9\xe6\xbd\x15\xc9\x94\xc4\xc3"
      "\x96\x6d\x3e\x7e\x01\xc9\xb2\x8f\x8d\xb5\xf6\x7e\x49\xc9\xb3\x30\x4b\x7a"
      "\xe3\x8a\x33\xed\x64\xd8\x3c\xc5\x7b\xb3\x70\x08\x2f\x36\x6e\xb3\xcd\xbd"
      "\xf2\x33\x88\xa6\x8b\x67\xa9\x7d\x5c\xd4\xc8\xa1\x82\x7a\x78\x1e\x87\x0b"
      "\x26\x59\xd2\x10\x94\x71\x34\x5c\xdb\x09\x08\x52\x4d\x30\xfd\x71\x00\x00"
      "\x0a\x00\x06\x00\x08\x02\x11\x00\x00",
      3969);
  *(uint64_t*)0x20001248 = 0xfb0;
  *(uint64_t*)0x20001298 = 1;
  *(uint64_t*)0x200012a0 = 0;
  *(uint64_t*)0x200012a8 = 0;
  *(uint32_t*)0x200012b0 = 0x800;
  syscall(__NR_sendmsg, -1, 0x20001280ul, 0x24004840ul);
  res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
  if (res != -1)
    r[1] = res;
  syz_genetlink_get_family_id(0);
  syscall(__NR_ioctl, r[1], 0x8933, 0ul);
  syscall(__NR_sendmsg, r[1], 0ul, 0ul);
  res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
  if (res != -1)
    r[2] = res;
  syz_genetlink_get_family_id(0);
  syscall(__NR_ioctl, r[2], 0x8933, 0ul);
  syscall(__NR_sendmsg, r[2], 0ul, 0ul);
}
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);
  loop();
  return 0;
}