From patchwork Wed Jan 13 09:03:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lecopzer Chen X-Patchwork-Id: 12016207 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,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 E7AA1C433DB for ; Wed, 13 Jan 2021 09:13:27 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E44F233A1 for ; Wed, 13 Jan 2021 09:13:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E44F233A1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=GvkLVMtoAitpLUBEO8kawVSfWhNbyerI1qNT1Z9XHhU=; b=aBXaw+gnt9T/gZBrEqFIXUHeao T33FPvalZPH2soy+spniDOf9UabU4dw3vA2AxopHbZbPCWG2lSHrvlJOTtps/YhpeqKdII1LsGjcL e+sDaiNH2ydx4W1bheSjDKjZ7jlfVPQTW7SS9wPs/1cXOgzbgqYIHymPkNUA6t8pwGI8E37Ev6m+L jOYc38yzypYoNf246ogkYR3riZ6G65gNtwq3OuOGqd95gSaqO4au1ceHUFN6CXIlFhdlAohJQKd5O dy2FTfVRUdHeX442J9awxg5TYzhnnurOHVuF13Ac4I6Q9vR+UAPOZmEFx+tBf79fmYZl/cnptBjsi 4VFCDEDw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kzcDL-0005Fw-0d; Wed, 13 Jan 2021 09:13:15 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kzcDH-0005ER-98 for linux-mediatek@lists.infradead.org; Wed, 13 Jan 2021 09:13:12 +0000 X-UUID: 3db155f8d295401791899b84c0e54159-20210113 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=/3v/qj09qAAgPsQ5QLkiCe/YwJQwKZKwOifOOCD+m2I=; b=udH6TLmIviu9evxEvyq2h98PLZ634du2q+fx5FtUumh2NjIuWsaviGQpocNC4lUu59gRf8RQ5QOZQmiRvRZUxDWX9qOVkU06R2vwYDuwl0UjW1L8v6KInoT0eAli6yiFhmDzRTlYc7G+l3fSSnIeKdnEwm2j9teLgzXqRauoWTg=; X-UUID: 3db155f8d295401791899b84c0e54159-20210113 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 979393638; Wed, 13 Jan 2021 01:03:56 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 13 Jan 2021 01:03:49 -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: , , 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 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210113_041311_534782_05E7BC39 X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lecopzer Chen , Andrey Konovalov , yj.chiang@mediatek.com, linux-mediatek@lists.infradead.org, Lecopzer Chen , glider@google.com, aryabinin@virtuozzo.com, akpm@linux-foundation.org, dan.j.williams@intel.com, dvyukov@google.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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; }