From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 2C5DFC4361B for ; Fri, 18 Dec 2020 22:05:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B96C623B5D for ; Fri, 18 Dec 2020 22:05:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B96C623B5D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5AA0A6B00A9; Fri, 18 Dec 2020 17:05:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 57E576B00AA; Fri, 18 Dec 2020 17:05:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 495546B00AB; Fri, 18 Dec 2020 17:05:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 2D46B6B00A9 for ; Fri, 18 Dec 2020 17:05:20 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id EBA1252AD for ; Fri, 18 Dec 2020 22:05:19 +0000 (UTC) X-FDA: 77607784758.30.screw11_2a1133c27440 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id A289D180D76A2 for ; Fri, 18 Dec 2020 22:05:19 +0000 (UTC) X-HE-Tag: screw11_2a1133c27440 X-Filterd-Recvd-Size: 2811 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Fri, 18 Dec 2020 22:05:19 +0000 (UTC) Date: Fri, 18 Dec 2020 14:05:17 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608329118; bh=JM8QWrDg7sBMI5LsEMe0za0IAKlgysbCmniUFjiFTvI=; h=From:To:Subject:In-Reply-To:From; b=q9ioADmNzqBwQDaJU/ofokFcjyfo7Xe+TfB4cEARK6L1AXzhNDASU7PvPe7r9lu0n 4SxX2zd8ywq+3q7vVYFQ93i8051KTfW3wjZYBUZ/nAYrA2kBoBEZZ/fw5E3jW9MQOL jNJ0KUNIjhQjHouhzy9QJqyDQwUekqSXNd3G27FQ= From: Andrew Morton To: akpm@linux-foundation.org, andreyknvl@google.com, aryabinin@virtuozzo.com, Branislav.Rankov@arm.com, catalin.marinas@arm.com, dvyukov@google.com, elver@google.com, eugenis@google.com, glider@google.com, gor@linux.ibm.com, kevin.brodsky@arm.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vincenzo.frascino@arm.com, will.deacon@arm.com Subject: [patch 70/78] kasan: clarify comment in __kasan_kfree_large Message-ID: <20201218220517.7DMt2WUs1%akpm@linux-foundation.org> In-Reply-To: <20201218140046.497484741326828e5b5d46ec@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Andrey Konovalov Subject: kasan: clarify comment in __kasan_kfree_large Currently it says that the memory gets poisoned by page_alloc code. Clarify this by mentioning the specific callback that poisons the memory. Link: https://lkml.kernel.org/r/1c8380fe0332a3bcc720fe29f1e0bef2e2974416.1606162397.git.andreyknvl@google.com Link: https://linux-review.googlesource.com/id/I1334dffb69b87d7986fab88a1a039cc3ea764725 Signed-off-by: Andrey Konovalov Reviewed-by: Dmitry Vyukov Reviewed-by: Marco Elver Tested-by: Vincenzo Frascino Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Branislav Rankov Cc: Catalin Marinas Cc: Evgenii Stepanov Cc: Kevin Brodsky Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/kasan/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/kasan/common.c~kasan-clarify-comment-in-__kasan_kfree_large +++ a/mm/kasan/common.c @@ -446,5 +446,5 @@ void __kasan_kfree_large(void *ptr, unsi { if (ptr != page_address(virt_to_head_page(ptr))) kasan_report_invalid_free(ptr, ip); - /* The object will be poisoned by page_alloc. */ + /* The object will be poisoned by kasan_free_pages(). */ } _