From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965004AbcKNDOG (ORCPT ); Sun, 13 Nov 2016 22:14:06 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:45387 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752875AbcKNCFu (ORCPT ); Sun, 13 Nov 2016 21:05:50 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Martin K. Petersen" , "Tyrel Datwyler" , "Bart Van Assche" Date: Mon, 14 Nov 2016 00:14:20 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 187/346] scsi: fix upper bounds check of sense key in scsi_sense_key_string() In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.39-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Tyrel Datwyler commit a87eeb900dbb9f8202f96604d56e47e67c936b9d upstream. Commit 655ee63cf371 ("scsi constants: command, sense key + additional sense string") added a "Completed" sense string with key 0xF to snstext[], but failed to updated the upper bounds check of the sense key in scsi_sense_key_string(). Fixes: 655ee63cf371 ("[SCSI] scsi constants: command, sense key + additional sense strings") Signed-off-by: Tyrel Datwyler Reviewed-by: Bart Van Assche Signed-off-by: Martin K. Petersen [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings --- drivers/scsi/constants.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -1335,9 +1335,10 @@ static const char * const snstext[] = { /* Get sense key string or NULL if not available */ const char * -scsi_sense_key_string(unsigned char key) { +scsi_sense_key_string(unsigned char key) +{ #ifdef CONFIG_SCSI_CONSTANTS - if (key <= 0xE) + if (key < ARRAY_SIZE(snstext)) return snstext[key]; #endif return NULL;