linux-kernel - Re: [PATCH -next] x86: Prevent KASAN false positive warnings in __show

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Message-ID: <3767d017-1b98-4874-a356-51b87d993099@intel.com>
Date: Thu, 28 Aug 2025 07:13:37 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: Tengda Wu <wutengda@...weicloud.com>,
 Andrey Ryabinin <ryabinin.a.a@...il.com>, x86@...nel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
 Alexander Potapenko <glider@...gle.com>,
 Andrey Konovalov <andreyknvl@...il.com>, Borislav Petkov <bp@...en8.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>, Dmitry Vyukov
 <dvyukov@...gle.com>, Ingo Molnar <mingo@...hat.com>,
 linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
 Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH -next] x86: Prevent KASAN false positive warnings in
 __show_regs()

On 8/28/25 05:06, Tengda Wu wrote:
> It seems there's no existing on_current_stack function available.
> Implementing an on_current_stack function would be somewhat
> challenging for me. 

Is there some reason that object_is_on_stack() won't work?