// https://syzkaller.appspot.com/bug?id=97ea55669d5b2e909c5a6b7be2f9f8991499dbbd
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

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

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);
  intptr_t res = 0;
  res = syscall(__NR_socket, 2ul, 2ul, 0x88);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000500 = 2;
  *(uint16_t*)0x20000502 = htobe16(0);
  *(uint8_t*)0x20000504 = 0xac;
  *(uint8_t*)0x20000505 = 0x14;
  *(uint8_t*)0x20000506 = 0x14;
  *(uint8_t*)0x20000507 = 0xbb;
  *(uint16_t*)0x20000510 = 0;
  memset((void*)0x20000512, 255, 6);
  *(uint32_t*)0x20000520 = 4;
  *(uint16_t*)0x20000524 = 2;
  *(uint16_t*)0x20000526 = htobe16(0);
  *(uint32_t*)0x20000528 = htobe32(0);
  memcpy((void*)0x20000534, "ip6tnl0\000\000\000\000\000\000\000\000\000", 16);
  syscall(__NR_ioctl, r[0], 0x8955, 0x20000500ul);
  res = syscall(__NR_socket, 2ul, 2ul, 0x88);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x20000500 = 2;
  *(uint16_t*)0x20000502 = htobe16(0);
  *(uint8_t*)0x20000504 = 0xac;
  *(uint8_t*)0x20000505 = 0x14;
  *(uint8_t*)0x20000506 = 0x14;
  *(uint8_t*)0x20000507 = 0xbb;
  *(uint16_t*)0x20000510 = 0;
  memset((void*)0x20000512, 255, 6);
  *(uint32_t*)0x20000520 = 4;
  *(uint16_t*)0x20000524 = 2;
  *(uint16_t*)0x20000526 = htobe16(0);
  *(uint32_t*)0x20000528 = htobe32(0);
  memcpy((void*)0x20000534, "ip6tnl0\000\000\000\000\000\000\000\000\000", 16);
  syscall(__NR_ioctl, r[1], 0x8954, 0x20000500ul);
  return 0;
}