From patchwork Thu Feb 2 16:24:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomas Henzl X-Patchwork-Id: 650573 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 18B3AC61DA4 for ; Thu, 2 Feb 2023 16:25:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229684AbjBBQZu (ORCPT ); Thu, 2 Feb 2023 11:25:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229804AbjBBQZt (ORCPT ); Thu, 2 Feb 2023 11:25:49 -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 C29E8279BD for ; Thu, 2 Feb 2023 08:24:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675355096; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=rAUZ3BSKgRm16d85D54D0X/p8+OwG+r13Dd/SUuu6vU=; b=LPpTl6lX1eN64ZNPI8I0hebNvP0XKUIXiZQ+FW66kAFN7d/fPp24x+P6T2P8JR2oD87h00 W9etUxoeQ70KmnfUo0ZSxkjQP1mtyGswjIq/jJYzwwKh0QX2CiJNDm3wMmV6w4KdEqRpWv lw6p6FvubK++nfJtrxoWbyKvPiFnYYs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-194-Rr-NFDu2PBmWcLdsqAgNDA-1; Thu, 02 Feb 2023 11:24:52 -0500 X-MC-Unique: Rr-NFDu2PBmWcLdsqAgNDA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 81733857D07; Thu, 2 Feb 2023 16:24:52 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-192-75.brq.redhat.com [10.40.192.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0830A404BEC1; Thu, 2 Feb 2023 16:24:51 +0000 (UTC) From: Tomas Henzl To: linux-scsi@vger.kernel.org Cc: mikoxyzzz@gmail.com Subject: [PATCH v2 0/4] ses: prevent from out of bounds accesses Date: Thu, 2 Feb 2023 17:24:47 +0100 Message-Id: <20230202162451.15346-1-thenzl@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 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. Changes: v1: cc-ed stable@vger.kernel.org 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(-)