From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,
	HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,
	SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id F3E1AC433E0
	for <linux-kernel@archiver.kernel.org>; Fri, 29 Jan 2021 17:57:33 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by mail.kernel.org (Postfix) with ESMTP id BCD9164E07
	for <linux-kernel@archiver.kernel.org>; Fri, 29 Jan 2021 17:57:33 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S232341AbhA2R5L (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Fri, 29 Jan 2021 12:57:11 -0500
Received: from foss.arm.com ([217.140.110.172]:52204 "EHLO foss.arm.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S231169AbhA2R5K (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 29 Jan 2021 12:57:10 -0500
Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])
        by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EADE413A1;
        Fri, 29 Jan 2021 09:56:24 -0800 (PST)
Received: from [10.37.12.11] (unknown [10.37.12.11])
        by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6F73F3F885;
        Fri, 29 Jan 2021 09:56:22 -0800 (PST)
Subject: Re: [PATCH v9 3/4] kasan: Add report for async mode
To:     Andrey Konovalov <andreyknvl@google.com>
Cc:     Linux ARM <linux-arm-kernel@lists.infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Marco Elver <elver@google.com>,
        Evgenii Stepanov <eugenis@google.com>,
        Branislav Rankov <Branislav.Rankov@arm.com>
References: <20210126134603.49759-1-vincenzo.frascino@arm.com>
 <20210126134603.49759-4-vincenzo.frascino@arm.com>
 <CAAeHK+xAbsX9Zz4aKXToNTrbgrrYck23ohGJHXvgeSTyZy=Odg@mail.gmail.com>
From:   Vincenzo Frascino <vincenzo.frascino@arm.com>
Message-ID: <e5582f87-2987-a258-350f-1fac61822657@arm.com>
Date:   Fri, 29 Jan 2021 18:00:17 +0000
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.10.0
MIME-Version: 1.0
In-Reply-To: <CAAeHK+xAbsX9Zz4aKXToNTrbgrrYck23ohGJHXvgeSTyZy=Odg@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Andrey,

On 1/29/21 5:40 PM, Andrey Konovalov wrote:
> I suggest to call end_report(&flags, 0) here and check addr !=0 in
> end_report() before calling trace_error_report_end().
> 

Probably this is better as:

if (!IS_ENABLED(CONFIG_KASAN_HW_TAGS))

Because that condition passes always addr == 0.

What do you think?

-- 
Regards,
Vincenzo