Re: [PATCH] tty: vt: saturate scrollback_delta to avoid overflow

[Justin Stitt]

On Fri, May 10, 2024 at 3:40 AM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, May 06, 2024 at 06:55:19PM +0000, Justin Stitt wrote:
> > Using the signed overflow sanitizer with syzkaller produces this UBSAN
> > report:
>
> <snip>
>
> I think you might want to hold off on these until the discussion on the
> hardening list about overflows all settles down to a solid resolution.
> Right now these all seem to be a mess and perhaps you will have a better
> set of primitives to work with once that thread is finished.

Agreed.

I came to the same conclusion once I reached fs/*.

Let's see how folks want to go forward with handling wraparound :thumbs_up:

>
> thanks,
>
> greg k-h

Thanks
Justin