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X-CSE-ConnectionGUID: Wfl3npMIQ5OTv0y+JvQBIg== X-CSE-MsgGUID: tzPSKq+bRsmUTyaG4rbcXQ== X-IronPort-AV: E=McAfee;i="6800,10657,11536"; a="70100878" X-IronPort-AV: E=Sophos;i="6.18,217,1751266800"; d="scan'208";a="70100878" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2025 07:13:40 -0700 X-CSE-ConnectionGUID: ymWx2pL5SKyDYeDwQn+OFA== X-CSE-MsgGUID: 0uDqS02LRwOHE7MObuptLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,217,1751266800"; d="scan'208";a="170036681" Received: from kcaccard-desk.amr.corp.intel.com (HELO [10.125.109.98]) ([10.125.109.98]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2025 07:13:39 -0700 Message-ID: <3767d017-1b98-4874-a356-51b87d993099@intel.com> Date: Thu, 28 Aug 2025 07:13:37 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH -next] x86: Prevent KASAN false positive warnings in __show_regs() To: Tengda Wu , Andrey Ryabinin , x86@kernel.org Cc: Thomas Gleixner , Alexander Potapenko , Andrey Konovalov , Borislav Petkov , Dave Hansen , Dmitry Vyukov , Ingo Molnar , linux-kernel@vger.kernel.org, Peter Zijlstra , Josh Poimboeuf References: <20250818130715.2904264-1-wutengda@huaweicloud.com> <1cd29a46-3c17-42ca-af41-ed0a645b29c3@gmail.com> <2956719f-58bf-40ac-9c63-6f9a8092ae1d@huaweicloud.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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?