futex(0x1ffffff81300000) on risc-v -> mm panic

[Nam Cao]

On Wed, Jun 18, 2025 at 07:10:28AM -0400, rtm at csail.mit.edu wrote:
> This program on risc-v:
> 
> main(){
>   futex((void*) 0x1ffffff81300000, FUTEX_WAIT, 0, 0, 0, 0);
> }
> 
> results in:
> 
> BUG: Bad page state in process a.out  pfn:81500

I cannot reproduce this issue. Can you please share your .config?

Also, your kernel seems to have some commits on top. Are you sure none of
those is the reason?

Best regards,
Nam