Re: [PATCH 6.4 00/29] 6.4.1-rc2 review

From: Linus Torvalds
Date: Fri Jun 30 2023 - 02:21:17 EST


On Thu, 29 Jun 2023 at 22:59, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> gup: add warning if some caller would seem to want stack expansion

Did you decide to take that one after all?

It's not exactly wrong, and it might help find any odd cases, but I do
suspect you can get syzbot etc to trigger the warning. It's designed
to find crazy users, and syzbot is - pretty much by definition and by
design - one of the craziest out there.

Linus