From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754493AbaF3HW6 (ORCPT ); Mon, 30 Jun 2014 03:22:58 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:65275 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754405AbaF3HW5 (ORCPT ); Mon, 30 Jun 2014 03:22:57 -0400 Message-ID: <53B11047.3000105@nod.at> Date: Mon, 30 Jun 2014 09:22:47 +0200 From: Richard Weinberger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Greg Kroah-Hartman CC: donb@securitymouse.com, markus@oberhumer.com, "linux-kernel@vger.kernel.org" Subject: lzo1x_decompress_safe: Macro compares unsigned to 0 (NO_EFFECT) References: <53b0f0f715b96_146f12c1338333fa@209.249.196.67.mail> In-Reply-To: <53b0f0f715b96_146f12c1338333fa@209.249.196.67.mail> X-Enigmail-Version: 1.6 X-Forwarded-Message-Id: <53b0f0f715b96_146f12c1338333fa@209.249.196.67.mail> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This was introduced by: commit 206a81c18401c0cde6e579164f752c4b147324ce Author: Greg Kroah-Hartman Date: Fri Jun 20 22:00:53 2014 -0700 lzo: properly check for overruns Thanks, //richard -------- Original-Nachricht -------- Betreff: New Defects reported by Coverity Scan for Linux Datum: Sun, 29 Jun 2014 22:09:11 -0700 Von: scan-admin@coverity.com Hi, Please find the latest report on new defect(s) introduced to Linux found with Coverity Scan. Defect(s) Reported-by: Coverity Scan Showing 1 of 1 defect(s) ** CID 1224102: Macro compares unsigned to 0 (NO_EFFECT) /lib/lzo/lzo1x_decompress_safe.c: 225 in lzo1x_decompress_safe() ________________________________________________________________________________________________________ *** CID 1224102: Macro compares unsigned to 0 (NO_EFFECT) /lib/lzo/lzo1x_decompress_safe.c: 225 in lzo1x_decompress_safe() 219 op += t; 220 ip += t; 221 } else 222 #endif 223 { 224 NEED_IP(t, 3); >>> CID 1224102: Macro compares unsigned to 0 (NO_EFFECT) >>> This greater-than-or-equal-to-zero comparison of an unsigned value is always true. "t + 0UL >= 0UL". 225 NEED_OP(t, 0); 226 while (t > 0) { 227 *op++ = *ip++; 228 t--; 229 } 230 } ________________________________________________________________________________________________________ To view the defects in Coverity Scan visit, http://scan.coverity.com/projects/128?tab=overview To unsubscribe from the email notification for new defects, http://scan5.coverity.com/cgi-bin/unsubscribe.py