// https://syzkaller.appspot.com/bug?id=00ab003c84ca279986e93284c534c514e894e028
// 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[8] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 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_timerfd_create, 0ul, 0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000080, ".\000", 2);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000080ul, 0ul, 0ul);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x20000080, ".\000", 2);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000080ul, 0ul, 0ul);
  if (res != -1)
    r[2] = res;
  res = syscall(__NR_dup3, r[1], r[2], 0ul);
  if (res != -1)
    r[3] = res;
  memcpy((void*)0x20000000, "./file0\000", 8);
  syscall(__NR_mknodat, r[3], 0x20000000ul, 0ul, 0x700);
  syscall(__NR_close, r[0]);
  memcpy((void*)0x20000000, "/sys/devices/virtual", 20);
  syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000000ul, 0x8400ul, 0x2eul);
  memcpy((void*)0x20000080, ".\000", 2);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000080ul, 0ul, 0ul);
  if (res != -1)
    r[4] = res;
  memcpy((void*)0x20000080, ".\000", 2);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000080ul, 0ul, 0ul);
  if (res != -1)
    r[5] = res;
  res = syscall(__NR_dup3, r[4], r[5], 0ul);
  if (res != -1)
    r[6] = res;
  res = syscall(__NR_dup, r[0]);
  if (res != -1)
    r[7] = res;
  memcpy((void*)0x200000c0, "./file0\000", 8);
  memcpy((void*)0x20000100, "./file0\000", 8);
  syscall(__NR_linkat, r[6], 0x200000c0ul, r[7], 0x20000100ul, 0x1400ul);
  return 0;
}