On Tue, 17 Mar 2026 20:43:27 -0400 Steven Rostedt <[email protected]> wrote:
> On Wed, 18 Mar 2026 09:02:43 +0900 > Masami Hiramatsu (Google) <[email protected]> wrote: > > > Yes, that is checked in vsnprintf(), not its caller. > > I think linux kernel should ensure the the return value is smaller > > than INT_MAX, and return -EOVERFLOW if not. > > Well, there's very few places that could have a buffer size of > 2G. > > What's the max bootconfig limit? Could you create a bootconfig that is > greater than 2G? It's just 32KB. So we don't need it. Anyway, I sent a patch about that. https://lore.kernel.org/all/177379678638.535490.18200744206158553364.stgit@devnote2/ Thank you, > > If not, then yeah, we shouldn't really care about overflows (and that > includes not worrying about typecasting the size variable to int). > > -- Steve > -- Masami Hiramatsu (Google) <[email protected]>
