syzkaller-repros/linux/933d1c2b20a63c9babba868dc3cf9ab7b07f106f.c

// WARNING: suspicious RCU usage in kvm_dev_ioctl
// https://syzkaller.appspot.com/bug?id=933d1c2b20a63c9babba868dc3cf9ab7b07f106f
// status:fixed
// 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[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  intptr_t res = 0;
  memcpy((void*)0x20000040, "/dev/kvm\000", 9);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000040, 0, 0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ioctl, r[0], 0xae01, 2);
  return 0;
}