Re: [PATCH] x86/lib: Fix num_digits() signed overflow for INT_MIN

From: Borislav Petkov

Date: Tue Jan 20 2026 - 15:14:13 EST


On Tue, Jan 20, 2026 at 11:50:41AM -0800, H. Peter Anvin wrote:
> For negative numbers? Dave Hansen pointed out that we currently don't ever
> pass negative numbers, in which case it would make more sense to have the
> function simply take an unsigned int.

Yes, that's why I'm asking what we're even fixing here...

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette