From patchwork Mon Jan 30 10:13:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomas Henzl X-Patchwork-Id: 649579 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1296DC54EED for ; Mon, 30 Jan 2023 10:14:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235984AbjA3KOJ (ORCPT ); Mon, 30 Jan 2023 05:14:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235761AbjA3KOG (ORCPT ); Mon, 30 Jan 2023 05:14:06 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50ACD15557 for ; Mon, 30 Jan 2023 02:13:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675073601; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=l2nDG/CvtTA6UKKdKXFMdKptXT7uzbYwh7+TcK/Vgc8=; b=bufu6ssK/RvSC6/5D4RAt0QzlR1N4bIdk7m7UOKXPzZhsC0cxviq7pnzyn5Ly5p30/MQ9o FM1HfgaW3X1C7jbEjO+yeVeAnJ44UxiHDznt1dP/6AfkqXMOniep1VPijbwyGGfkrjute0 9DS0rjGK/l4An8eR7RMgFV/bwywN2GM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-256-QDB4v8pkM5CRNTuhHszw3w-1; Mon, 30 Jan 2023 05:13:18 -0500 X-MC-Unique: QDB4v8pkM5CRNTuhHszw3w-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8C6443C0DDBA for ; Mon, 30 Jan 2023 10:13:18 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-193-84.brq.redhat.com [10.40.193.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 312EA1121314 for ; Mon, 30 Jan 2023 10:13:18 +0000 (UTC) From: Tomas Henzl To: linux-scsi@vger.kernel.org Subject: [PATCH 0/4] ses: prevent from out of bounds accesses Date: Mon, 30 Jan 2023 11:13:13 +0100 Message-Id: <20230130101317.4862-1-thenzl@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org First patch fixes a KASAN reported problem Second patch fixes other possible places in ses_enclosure_data_process where the max_desc_len might access memory out of bounds. 3/4 does the same for desc_ptr in ses_enclosure_data_process. The last patch fixes another KASAN report in ses_intf_remove. Tomas Henzl (4): ses: fix slab-out-of-bounds reported by KASAN in ses_enclosure_data_process ses: fix possible addl_desc_ptr out-of-bounds accesses in ses_enclosure_data_process ses: fix possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process ses: fix slab-out-of-bounds reported by KASAN in ses_intf_remove drivers/scsi/ses.c | 58 ++++++++++++++++++++++++++++++++-------------- 1 file changed, 41 insertions(+), 17 deletions(-)