// https://syzkaller.appspot.com/bug?id=b30685a31c426fc2feed200c015a6107e4ef6101
// 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>

#ifndef __NR_userfaultfd
#define __NR_userfaultfd 323
#endif

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  intptr_t res = 0;
  res = syscall(__NR_userfaultfd,
                /*flags=UFFD_USER_MODE_ONLY|O_NONBLOCK*/ 0x801ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x200000c0 = 0xaa;
  *(uint64_t*)0x200000c8 = 0;
  *(uint64_t*)0x200000d0 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc018aa3f, /*arg=*/0x200000c0ul);
  *(uint64_t*)0x20000000 = 0x200e2000;
  *(uint64_t*)0x20000008 = 0x1ffff000;
  *(uint64_t*)0x20000010 = 0x1000000;
  *(uint64_t*)0x20000018 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc028aa05, /*arg=*/0x20000000ul);
  return 0;
}