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=-17.0 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,MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT 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 7DD36C4743C for ; Mon, 21 Jun 2021 15:45:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2573F61156 for ; Mon, 21 Jun 2021 15:45:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2573F61156 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 61E236B006C; Mon, 21 Jun 2021 11:45:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5CE956B0070; Mon, 21 Jun 2021 11:45:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 46F0C6B0072; Mon, 21 Jun 2021 11:45:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0171.hostedemail.com [216.40.44.171]) by kanga.kvack.org (Postfix) with ESMTP id 130476B006C for ; Mon, 21 Jun 2021 11:45:42 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 87C9C181AEF09 for ; Mon, 21 Jun 2021 15:45:41 +0000 (UTC) X-FDA: 78278156082.13.01C629D Received: from mailgw01.mediatek.com (mailgw01.mediatek.com [216.200.240.184]) by imf29.hostedemail.com (Postfix) with ESMTP id 8F0BC2BF4 for ; Mon, 21 Jun 2021 15:45:38 +0000 (UTC) X-UUID: 99a207d761d74de18619e6fb87396b59-20210621 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=eng4MkXhF6IiAFDOMo+SUNDfxBp5P3RDBTYY52X5RQQ=; b=ilIoUoDy75VfcZUbvFapF5Nktz4WKIxmQ3QRc+1Gq5+pN7b1aqtl516x6Dt2tXyBM4xfhI2JJPto6oy7yuAdVf/y/RvRn4tcQIa1E2zdCeK6iBMRWMxwuGxjJQoK4xHNo2NnoSo5hzLYLvuRB+Ak3elymPKjtY3YKDNb4JgWgkE=; X-UUID: 99a207d761d74de18619e6fb87396b59-20210621 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 986400988; Mon, 21 Jun 2021 08:45:35 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 21 Jun 2021 08:45:34 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 21 Jun 2021 23:45:32 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 21 Jun 2021 23:45:32 +0800 From: To: CC: , Yee Lee , "Andrey Ryabinin" , Alexander Potapenko , Dmitry Vyukov , Andrew Morton , Matthias Brugger , "open list:KASAN" , "open list:MEMORY MANAGEMENT" , open list , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Subject: [PATCH] kasan: unpoison use memset to init unaligned object size Date: Mon, 21 Jun 2021 23:44:41 +0800 Message-ID: <20210621154442.18463-1-yee.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=mediatek.com header.s=dk header.b=ilIoUoDy; dmarc=pass (policy=none) header.from=mediatek.com; spf=pass (imf29.hostedemail.com: domain of yee.lee@mediatek.com designates 216.200.240.184 as permitted sender) smtp.mailfrom=yee.lee@mediatek.com X-Stat-Signature: o6brn1yemd9bx1gfxbrfd5515iijpzru X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 8F0BC2BF4 X-HE-Tag: 1624290338-387554 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: RnJvbTogWWVlIExlZSA8eWVlLmxlZUBtZWRpYXRlay5jb20+DQoNClRoaXMgcGF0Y2ggYWRkcyBh IG1lbXNldCB0byBpbml0aWFsaXplIG9iamVjdCBvZiB1bmFsaWduZWQgc2l6ZS4NCkR1aW5nIHRv IHRoZSBNVEUgZ3JhbnVscml0eSwgdGhlIGludGVncmF0ZWQgaW5pdGlhbGl6YXRpb24gdXNpbmcN Cmh3dGFnIGluc3RydWN0aW9uIHdpbGwgZm9yY2UgY2xlYXJpbmcgb3V0IGJ5dGVzIGluIGdyYW51 bGFyIHNpemUsDQp3aGljaCBtYXkgY2F1c2UgdW5kZXNpcmVkIGVmZmVjdCwgc3VjaCBhcyBvdmVy d3JpdGluZyB0byB0aGUgcmVkem9uZQ0Kb2YgU0xVQiBkZWJ1Zy4gSW4gdGhpcyBwYXRjaCwgZm9y IHRoZSB1bmFsaWduZWQgb2JqZWN0IHNpemUsIGZ1bmN0aW9uDQp1c2VzIG1lbXNldCB0byBpbml0 YWlsaXplIGNvbnRleHQgaW5zdGVhZCBvZiB0aGUgaHd0YWcgaW5zdHJ1Y3Rpb24uDQoNClNpZ25l ZC1vZmYtYnk6IFllZSBMZWUgPHllZS5sZWVAbWVkaWF0ZWsuY29tPg0KLS0tDQogbW0va2FzYW4v a2FzYW4uaCB8IDUgKysrKy0NCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pDQoNCmRpZmYgLS1naXQgYS9tbS9rYXNhbi9rYXNhbi5oIGIvbW0va2FzYW4va2Fz YW4uaA0KaW5kZXggOGY0NTBiYzI4MDQ1Li5kOGZhYTY0NjE0YjcgMTAwNjQ0DQotLS0gYS9tbS9r YXNhbi9rYXNhbi5oDQorKysgYi9tbS9rYXNhbi9rYXNhbi5oDQpAQCAtMzg3LDggKzM4NywxMSBA QCBzdGF0aWMgaW5saW5lIHZvaWQga2FzYW5fdW5wb2lzb24oY29uc3Qgdm9pZCAqYWRkciwgc2l6 ZV90IHNpemUsIGJvb2wgaW5pdCkNCiANCiAJaWYgKFdBUk5fT04oKHVuc2lnbmVkIGxvbmcpYWRk ciAmIEtBU0FOX0dSQU5VTEVfTUFTSykpDQogCQlyZXR1cm47DQorCWlmIChpbml0ICYmICgodW5z aWduZWQgbG9uZylzaXplICYgS0FTQU5fR1JBTlVMRV9NQVNLKSkgew0KKwkJaW5pdCA9IGZhbHNl Ow0KKwkJbWVtc2V0KCh2b2lkICopYWRkciwgMCwgc2l6ZSk7DQorCX0NCiAJc2l6ZSA9IHJvdW5k X3VwKHNpemUsIEtBU0FOX0dSQU5VTEVfU0laRSk7DQotDQogCWh3X3NldF9tZW1fdGFnX3Jhbmdl KCh2b2lkICopYWRkciwgc2l6ZSwgdGFnLCBpbml0KTsNCiB9DQogDQotLSANCjIuMTguMA0K