From owner-freebsd-bugs@FreeBSD.ORG Sun Mar 10 08:40:00 2013 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id B216581C for ; Sun, 10 Mar 2013 08:40:00 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 84742258 for ; Sun, 10 Mar 2013 08:40:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.6/8.14.6) with ESMTP id r2A8e0KF085295 for ; Sun, 10 Mar 2013 08:40:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.6/8.14.6/Submit) id r2A8e0H2085294; Sun, 10 Mar 2013 08:40:00 GMT (envelope-from gnats) Resent-Date: Sun, 10 Mar 2013 08:40:00 GMT Resent-Message-Id: <201303100840.r2A8e0H2085294@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Jeremy Chadwick Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 06787726 for ; Sun, 10 Mar 2013 08:35:47 +0000 (UTC) (envelope-from jdc@koitsu.org) Received: from qmta03.emeryville.ca.mail.comcast.net (qmta03.emeryville.ca.mail.comcast.net [IPv6:2001:558:fe2d:43:76:96:30:32]) by mx1.freebsd.org (Postfix) with ESMTP id BD742249 for ; Sun, 10 Mar 2013 08:35:46 +0000 (UTC) Received: from omta06.emeryville.ca.mail.comcast.net ([76.96.30.51]) by qmta03.emeryville.ca.mail.comcast.net with comcast id 9kbM1l00116AWCUA3kbmQ2; Sun, 10 Mar 2013 08:35:46 +0000 Received: from koitsu.strangled.net ([67.180.84.87]) by omta06.emeryville.ca.mail.comcast.net with comcast id 9kbl1l00G1t3BNj8Skblzd; Sun, 10 Mar 2013 08:35:46 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 9A7E373A31; Sun, 10 Mar 2013 00:35:45 -0800 (PST) Message-Id: <20130310083545.9A7E373A31@icarus.home.lan> Date: Sun, 10 Mar 2013 00:35:45 -0800 (PST) From: Jeremy Chadwick To: FreeBSD-gnats-submit@freebsd.org X-Send-Pr-Version: 3.114 Subject: bin/176807: libgssapi causes segfaults on i386 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Jeremy Chadwick List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Mar 2013 08:40:00 -0000 >Number: 176807 >Category: bin >Synopsis: libgssapi causes segfaults on i386 >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 10 08:40:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Jeremy Chadwick >Release: FreeBSD 9.1-STABLE amd64 >Organization: >Environment: System: FreeBSD icarus.home.lan 9.1-STABLE FreeBSD 9.1-STABLE #0 r247132: Thu Feb 21 19:15:34 PST 2013 root@icarus.home.lan:/usr/obj/usr/src/sys/X7SBA_RELENG_9_amd64 amd64 >Description: Issue: http://lists.freebsd.org/pipermail/freebsd-stable/2010-July/057734.html Some key details -- such as that Heimdal is **not** the problem: http://lists.freebsd.org/pipermail/freebsd-stable/2010-July/057818.html Fix/patch for the issue: http://lists.freebsd.org/pipermail/freebsd-stable/2010-July/057830.html Possibly related PR: kern/147454 >How-To-Repeat: The thread/issue actually contains the necessary "bits" that you need to install + configuration details to reproduce the issue. I was able to reproduce it on a freshly installed system. So for how to repeat the problem, you gotta read the communications between Reko Turja and myself. >Fix: Patch is available for download here: http://jdc.koitsu.org/freebsd/gss_release_buffer.c.patch And is also attached below. --- lib/libgssapi/gss_release_buffer.c.orig 2009-08-03 01:13:06.000000000 -0700 +++ lib/libgssapi/gss_release_buffer.c 2010-07-17 19:47:25.000000000 -0700 @@ -37,7 +37,7 @@ { *minor_status = 0; - if (buffer->value) + if (buffer->length && buffer->value) free(buffer->value); _gss_buffer_zero(buffer); >Release-Note: >Audit-Trail: >Unformatted: