Re: [PATCH 09/13] powerpc: Disable KMSAN checks on functions which walk the stack

From: Aneesh Kumar K . V
Date: Fri Dec 15 2023 - 04:02:18 EST


Nicholas Miehlbradt <nicholas@xxxxxxxxxxxxx> writes:

> Functions which walk the stack read parts of the stack which cannot be
> instrumented by KMSAN e.g. the backchain. Disable KMSAN sanitization of
> these functions to prevent false positives.
>

Is the annotation needed to avoid uninitialized access check when
reading parts of the stack? Can you provide a false positive example for
the commit message?

-aneesh