// https://syzkaller.appspot.com/bug?id=afbc066a93c69dab5cd28912bfea4e648bf61df2
// 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;
}

#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))))

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;
}

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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  *(uint64_t*)0x20000580 = 0;
  *(uint32_t*)0x20000588 = 0;
  *(uint64_t*)0x20000590 = 0x20000540;
  *(uint64_t*)0x20000540 = 0x20000280;
  *(uint32_t*)0x20000280 = 0x2ac;
  *(uint16_t*)0x20000284 = 0x24;
  *(uint16_t*)0x20000286 = 0x400;
  *(uint32_t*)0x20000288 = 0x70bd27;
  *(uint32_t*)0x2000028c = 0x25dfdbff;
  *(uint8_t*)0x20000290 = 0;
  *(uint8_t*)0x20000291 = 0;
  *(uint16_t*)0x20000292 = 0;
  *(uint32_t*)0x20000294 = 0;
  *(uint16_t*)0x20000298 = 3;
  *(uint16_t*)0x2000029a = 0xcfc6;
  *(uint16_t*)0x2000029c = 0xa;
  *(uint16_t*)0x2000029e = 3;
  *(uint16_t*)0x200002a0 = 0xe;
  *(uint16_t*)0x200002a2 = 6;
  *(uint16_t*)0x200002a4 = 4;
  STORE_BY_BITMASK(uint16_t, , 0x200002a6, 8, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200002a7, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200002a7, 1, 7, 1);
  *(uint16_t*)0x200002a8 = 0xf0;
  STORE_BY_BITMASK(uint16_t, , 0x200002aa, 8, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200002ab, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200002ab, 1, 7, 1);
  *(uint16_t*)0x200002ac = 0x1c;
  *(uint16_t*)0x200002ae = 1;
  *(uint8_t*)0x200002b0 = 4;
  *(uint8_t*)0x200002b1 = 0x80;
  *(uint16_t*)0x200002b2 = 0x10;
  *(uint32_t*)0x200002b4 = 9;
  *(uint32_t*)0x200002b8 = 0;
  *(uint32_t*)0x200002bc = 4;
  *(uint32_t*)0x200002c0 = 0xc75;
  *(uint32_t*)0x200002c4 = 9;
  *(uint16_t*)0x200002c8 = 0x16;
  *(uint16_t*)0x200002ca = 2;
  *(uint16_t*)0x200002cc = 3;
  *(uint16_t*)0x200002ce = 2;
  *(uint16_t*)0x200002d0 = 8;
  *(uint16_t*)0x200002d2 = 5;
  *(uint16_t*)0x200002d4 = 3;
  *(uint16_t*)0x200002d6 = 0x8a;
  *(uint16_t*)0x200002d8 = 5;
  *(uint16_t*)0x200002da = 0x101;
  *(uint16_t*)0x200002dc = 8;
  *(uint16_t*)0x200002e0 = 0x1c;
  *(uint16_t*)0x200002e2 = 1;
  *(uint8_t*)0x200002e4 = 8;
  *(uint8_t*)0x200002e5 = 4;
  *(uint16_t*)0x200002e6 = 0x520c;
  *(uint32_t*)0x200002e8 = 0x7f;
  *(uint32_t*)0x200002ec = 2;
  *(uint32_t*)0x200002f0 = 0xffffff7f;
  *(uint32_t*)0x200002f4 = 0x400;
  *(uint32_t*)0x200002f8 = 1;
  *(uint16_t*)0x200002fc = 6;
  *(uint16_t*)0x200002fe = 2;
  *(uint16_t*)0x20000300 = 9;
  *(uint16_t*)0x20000304 = 0x1c;
  *(uint16_t*)0x20000306 = 1;
  *(uint8_t*)0x20000308 = 0x40;
  *(uint8_t*)0x20000309 = 9;
  *(uint16_t*)0x2000030a = 0x241;
  *(uint32_t*)0x2000030c = 9;
  *(uint32_t*)0x20000310 = 1;
  *(uint32_t*)0x20000314 = 3;
  *(uint32_t*)0x20000318 = 7;
  *(uint32_t*)0x2000031c = 4;
  *(uint16_t*)0x20000320 = 0xc;
  *(uint16_t*)0x20000322 = 2;
  *(uint16_t*)0x20000324 = 9;
  *(uint16_t*)0x20000326 = 2;
  *(uint16_t*)0x20000328 = 5;
  *(uint16_t*)0x2000032a = 0x7ff;
  *(uint16_t*)0x2000032c = 0x1c;
  *(uint16_t*)0x2000032e = 1;
  *(uint8_t*)0x20000330 = 0;
  *(uint8_t*)0x20000331 = 1;
  *(uint16_t*)0x20000332 = 0x20;
  *(uint32_t*)0x20000334 = 7;
  *(uint32_t*)0x20000338 = 2;
  *(uint32_t*)0x2000033c = 0x81;
  *(uint32_t*)0x20000340 = 0x7f;
  *(uint32_t*)0x20000344 = 1;
  *(uint16_t*)0x20000348 = 6;
  *(uint16_t*)0x2000034a = 2;
  *(uint16_t*)0x2000034c = 0xff;
  *(uint16_t*)0x20000350 = 0x1c;
  *(uint16_t*)0x20000352 = 1;
  *(uint8_t*)0x20000354 = 5;
  *(uint8_t*)0x20000355 = 5;
  *(uint16_t*)0x20000356 = 9;
  *(uint32_t*)0x20000358 = 0x80;
  *(uint32_t*)0x2000035c = 2;
  *(uint32_t*)0x20000360 = 9;
  *(uint32_t*)0x20000364 = 0;
  *(uint32_t*)0x20000368 = 2;
  *(uint16_t*)0x2000036c = 8;
  *(uint16_t*)0x2000036e = 2;
  *(uint16_t*)0x20000370 = 0x110b;
  *(uint16_t*)0x20000372 = 0x100;
  *(uint16_t*)0x20000374 = 0x1c;
  *(uint16_t*)0x20000376 = 1;
  *(uint8_t*)0x20000378 = 0;
  *(uint8_t*)0x20000379 = 0xf8;
  *(uint16_t*)0x2000037a = 6;
  *(uint32_t*)0x2000037c = 8;
  *(uint32_t*)0x20000380 = 0;
  *(uint32_t*)0x20000384 = 2;
  *(uint32_t*)0x20000388 = 9;
  *(uint32_t*)0x2000038c = 2;
  *(uint16_t*)0x20000390 = 8;
  *(uint16_t*)0x20000392 = 2;
  *(uint16_t*)0x20000394 = 0x8001;
  *(uint16_t*)0x20000396 = 0x11f;
  *(uint16_t*)0x20000398 = 0xbc;
  STORE_BY_BITMASK(uint16_t, , 0x2000039a, 8, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x2000039b, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x2000039b, 1, 7, 1);
  *(uint16_t*)0x2000039c = 0x1c;
  *(uint16_t*)0x2000039e = 1;
  *(uint8_t*)0x200003a0 = 0xfc;
  *(uint8_t*)0x200003a1 = 8;
  *(uint16_t*)0x200003a2 = 0x54c;
  *(uint32_t*)0x200003a4 = 4;
  *(uint32_t*)0x200003a8 = 1;
  *(uint32_t*)0x200003ac = 0x800;
  *(uint32_t*)0x200003b0 = 8;
  *(uint32_t*)0x200003b4 = 5;
  *(uint16_t*)0x200003b8 = 0xe;
  *(uint16_t*)0x200003ba = 2;
  *(uint16_t*)0x200003bc = 4;
  *(uint16_t*)0x200003be = 3;
  *(uint16_t*)0x200003c0 = 8;
  *(uint16_t*)0x200003c2 = 4;
  *(uint16_t*)0x200003c4 = 9;
  *(uint16_t*)0x200003c8 = 0x1c;
  *(uint16_t*)0x200003ca = 1;
  *(uint8_t*)0x200003cc = 1;
  *(uint8_t*)0x200003cd = 0;
  *(uint16_t*)0x200003ce = 9;
  *(uint32_t*)0x200003d0 = 0xb14;
  *(uint32_t*)0x200003d4 = 0;
  *(uint32_t*)0x200003d8 = 9;
  *(uint32_t*)0x200003dc = 2;
  *(uint32_t*)0x200003e0 = 0xa;
  *(uint16_t*)0x200003e4 = 0x18;
  *(uint16_t*)0x200003e6 = 2;
  *(uint16_t*)0x200003e8 = 0x800;
  *(uint16_t*)0x200003ea = 1;
  *(uint16_t*)0x200003ec = 8;
  *(uint16_t*)0x200003ee = 0x1ff;
  *(uint16_t*)0x200003f0 = 5;
  *(uint16_t*)0x200003f2 = 2;
  *(uint16_t*)0x200003f4 = 9;
  *(uint16_t*)0x200003f6 = 7;
  *(uint16_t*)0x200003f8 = 0x1ff;
  *(uint16_t*)0x200003fa = 4;
  *(uint16_t*)0x200003fc = 0x1c;
  *(uint16_t*)0x200003fe = 1;
  *(uint8_t*)0x20000400 = 9;
  *(uint8_t*)0x20000401 = 0x7f;
  *(uint16_t*)0x20000402 = 0x800;
  *(uint32_t*)0x20000404 = 0xc4;
  *(uint32_t*)0x20000408 = 0;
  *(uint32_t*)0x2000040c = 7;
  *(uint32_t*)0x20000410 = 4;
  *(uint32_t*)0x20000414 = 3;
  *(uint16_t*)0x20000418 = 0xa;
  *(uint16_t*)0x2000041a = 2;
  *(uint16_t*)0x2000041c = 4;
  *(uint16_t*)0x2000041e = 8;
  *(uint16_t*)0x20000420 = 6;
  *(uint16_t*)0x20000424 = 0x1c;
  *(uint16_t*)0x20000426 = 1;
  *(uint8_t*)0x20000428 = 0x20;
  *(uint8_t*)0x20000429 = 0x7f;
  *(uint16_t*)0x2000042a = 0x8000;
  *(uint32_t*)0x2000042c = 9;
  *(uint32_t*)0x20000430 = 0;
  *(uint32_t*)0x20000434 = 5;
  *(uint32_t*)0x20000438 = 8;
  *(uint32_t*)0x2000043c = 8;
  *(uint16_t*)0x20000440 = 0x14;
  *(uint16_t*)0x20000442 = 2;
  *(uint16_t*)0x20000444 = 0;
  *(uint16_t*)0x20000446 = 2;
  *(uint16_t*)0x20000448 = 5;
  *(uint16_t*)0x2000044a = 8;
  *(uint16_t*)0x2000044c = 5;
  *(uint16_t*)0x2000044e = 0x101;
  *(uint16_t*)0x20000450 = 0x369;
  *(uint16_t*)0x20000452 = 7;
  *(uint16_t*)0x20000454 = 6;
  *(uint16_t*)0x20000456 = 5;
  *(uint8_t*)0x20000458 = 0x3f;
  *(uint8_t*)0x20000459 = 4;
  *(uint16_t*)0x2000045c = 7;
  *(uint16_t*)0x2000045e = 1;
  memcpy((void*)0x20000460, "mq\000", 3);
  *(uint16_t*)0x20000464 = 8;
  *(uint16_t*)0x20000466 = 0xd;
  *(uint32_t*)0x20000468 = 0x80;
  *(uint16_t*)0x2000046c = 8;
  *(uint16_t*)0x2000046e = 1;
  memcpy((void*)0x20000470, "etf\000", 4);
  *(uint16_t*)0x20000474 = 0x14;
  *(uint16_t*)0x20000476 = 2;
  *(uint16_t*)0x20000478 = 0x10;
  *(uint16_t*)0x2000047a = 1;
  *(uint32_t*)0x2000047c = 0x46e;
  *(uint32_t*)0x20000480 = 0;
  *(uint32_t*)0x20000484 = 0;
  *(uint16_t*)0x20000488 = 6;
  *(uint16_t*)0x2000048a = 5;
  *(uint8_t*)0x2000048c = 9;
  *(uint8_t*)0x2000048d = 0;
  *(uint16_t*)0x20000490 = 0x9c;
  STORE_BY_BITMASK(uint16_t, , 0x20000492, 8, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x20000493, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x20000493, 1, 7, 1);
  *(uint16_t*)0x20000494 = 0x1c;
  *(uint16_t*)0x20000496 = 1;
  *(uint8_t*)0x20000498 = 6;
  *(uint8_t*)0x20000499 = 0;
  *(uint16_t*)0x2000049a = 0x3e8e;
  *(uint32_t*)0x2000049c = 8;
  *(uint32_t*)0x200004a0 = 1;
  *(uint32_t*)0x200004a4 = 0x80000001;
  *(uint32_t*)0x200004a8 = 0xfff;
  *(uint32_t*)0x200004ac = 5;
  *(uint16_t*)0x200004b0 = 0xe;
  *(uint16_t*)0x200004b2 = 2;
  *(uint16_t*)0x200004b4 = 1;
  *(uint16_t*)0x200004b6 = 6;
  *(uint16_t*)0x200004b8 = 2;
  *(uint16_t*)0x200004ba = 2;
  *(uint16_t*)0x200004bc = 2;
  *(uint16_t*)0x200004c0 = 0x1c;
  *(uint16_t*)0x200004c2 = 1;
  *(uint8_t*)0x200004c4 = 1;
  *(uint8_t*)0x200004c5 = 0x40;
  *(uint16_t*)0x200004c6 = 9;
  *(uint32_t*)0x200004c8 = 9;
  *(uint32_t*)0x200004cc = 1;
  *(uint32_t*)0x200004d0 = 2;
  *(uint32_t*)0x200004d4 = 1;
  *(uint32_t*)0x200004d8 = 2;
  *(uint16_t*)0x200004dc = 8;
  *(uint16_t*)0x200004de = 2;
  *(uint16_t*)0x200004e0 = 0xbe;
  *(uint16_t*)0x200004e2 = 9;
  *(uint16_t*)0x200004e4 = 0x1c;
  *(uint16_t*)0x200004e6 = 1;
  *(uint8_t*)0x200004e8 = 5;
  *(uint8_t*)0x200004e9 = 3;
  *(uint16_t*)0x200004ea = 0x100;
  *(uint32_t*)0x200004ec = 0x8001;
  *(uint32_t*)0x200004f0 = 2;
  *(uint32_t*)0x200004f4 = 8;
  *(uint32_t*)0x200004f8 = 8;
  *(uint32_t*)0x200004fc = 2;
  *(uint16_t*)0x20000500 = 8;
  *(uint16_t*)0x20000502 = 2;
  *(uint16_t*)0x20000504 = 4;
  *(uint16_t*)0x20000506 = 8;
  *(uint16_t*)0x20000508 = 0x1c;
  *(uint16_t*)0x2000050a = 1;
  *(uint8_t*)0x2000050c = 0x1f;
  *(uint8_t*)0x2000050d = 0xaf;
  *(uint16_t*)0x2000050e = 7;
  *(uint32_t*)0x20000510 = 0xfff;
  *(uint32_t*)0x20000514 = 0;
  *(uint32_t*)0x20000518 = 9;
  *(uint32_t*)0x2000051c = 0x6491;
  *(uint32_t*)0x20000520 = 1;
  *(uint16_t*)0x20000524 = 6;
  *(uint16_t*)0x20000526 = 2;
  *(uint16_t*)0x20000528 = 0xed0b;
  *(uint64_t*)0x20000548 = 0x2ac;
  *(uint64_t*)0x20000598 = 1;
  *(uint64_t*)0x200005a0 = 0;
  *(uint64_t*)0x200005a8 = 0;
  *(uint32_t*)0x200005b0 = 0xc000000;
  syscall(__NR_sendmsg, /*fd=*/-1, /*msg=*/0x20000580ul, /*f=*/0x4000814ul);
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=*/1ul, /*proto=*/0,
                /*fds=*/0x20000080ul);
  if (res != -1)
    r[1] = *(uint32_t*)0x20000084;
  memcpy((void*)0x20000000,
         "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x20000000ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x20000010;
  *(uint64_t*)0x20000000 = 0;
  *(uint32_t*)0x20000008 = 0;
  *(uint64_t*)0x20000010 = 0x20000780;
  *(uint64_t*)0x20000780 = 0x200002c0;
  memcpy((void*)0x200002c0,
         "\x78\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x60"
         "\x00\x00\x00",
         20);
  *(uint32_t*)0x200002d4 = r[2];
  memcpy((void*)0x200002d8,
         "\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0a\x00\x01\x00\x6e"
         "\x65\x74\x65\x6d\x00\x04\x00\x48\x00\x02\x00\x00\x00\x00\x00\x86\x00"
         "\x02\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\xff\xff\xff\xff",
         50);
  *(uint64_t*)0x20000788 = 0x78;
  *(uint64_t*)0x20000018 = 1;
  *(uint64_t*)0x20000020 = 0;
  *(uint64_t*)0x20000028 = 0;
  *(uint32_t*)0x20000030 = 0;
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000000ul, /*f=*/0ul);
  syz_genetlink_get_family_id(/*name=*/0, /*fd=*/-1);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  loop();
  return 0;
}