// https://syzkaller.appspot.com/bug?id=f4b325a46a8cca45faae92a30416f6c51bdb7aa2
// 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);
  const char* reason;
  (void)reason;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  syscall(__NR_madvise, /*addr=*/0x20000000ul, /*len=*/0x800000ul,
          /*advice=MADV_HUGEPAGE*/ 0xeul);
  res = syscall(__NR_userfaultfd, /*flags=UFFD_USER_MODE_ONLY*/ 1ul);
  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*)0x20000080 = 0x20c15000;
  *(uint64_t*)0x20000088 = 0x20508000;
  *(uint64_t*)0x20000090 = 0x1000;
  *(uint64_t*)0x20000098 = 0;
  *(uint64_t*)0x200000a0 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc028aa05, /*arg=*/0x20000080ul);
  return 0;
}