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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, 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 15348C433DB for ; Wed, 13 Jan 2021 09:04:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3C0E2339F for ; Wed, 13 Jan 2021 09:04:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727521AbhAMJEe (ORCPT ); Wed, 13 Jan 2021 04:04:34 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:32965 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727324AbhAMJEd (ORCPT ); Wed, 13 Jan 2021 04:04:33 -0500 X-UUID: ab70a5be833e41edb6ddeadd820fe4b1-20210113 X-UUID: ab70a5be833e41edb6ddeadd820fe4b1-20210113 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 91106704; Wed, 13 Jan 2021 17:03:48 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 13 Jan 2021 17:03:47 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 13 Jan 2021 17:03:47 +0800 From: Lecopzer Chen To: , , CC: Lecopzer Chen , , , , , , , , Lecopzer Chen , Andrey Konovalov Subject: [RESEND PATCH] kasan: fix incorrect arguments passing in kasan_add_zero_shadow Date: Wed, 13 Jan 2021 17:03:40 +0800 Message-ID: <20210113090340.23129-1-lecopzer.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kasan_remove_zero_shadow() shall use original virtual address, start and size, instead of shadow address. Fixes: 0207df4fa1a86 ("kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN") Signed-off-by: Lecopzer Chen Reviewed-by: Andrey Konovalov Cc: Andrey Ryabinin Cc: Dan Williams Cc: Dmitry Vyukov Cc: Alexander Potapenko Signed-off-by: Andrew Morton --- mm/kasan/init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/kasan/init.c b/mm/kasan/init.c index bc0ad208b3a7..67051cfae41c 100644 --- a/mm/kasan/init.c +++ b/mm/kasan/init.c @@ -481,7 +481,6 @@ int kasan_add_zero_shadow(void *start, unsigned long size) ret = kasan_populate_early_shadow(shadow_start, shadow_end); if (ret) - kasan_remove_zero_shadow(shadow_start, - size >> KASAN_SHADOW_SCALE_SHIFT); + kasan_remove_zero_shadow(start, size); return ret; } -- 2.25.1