Subject: libgcal0: Segfault due to early global cleanup of libxml Package: libgcal0 Version: 0.9.4-1 Justification: breaks unrelated software Severity: critical Tags: upstream patch
*** Please type your report below this line *** libxml2 has a global cleanup function that is meant to be called at the end of an application called xmlCleanupParser(). This ends up freeing a number of global tables inside libxml2. If an application uses both libgcal and libxml2, and get_the_url() is called in libgcal, libxml2 stops working for the app, and often causes a segfault when it tries to access the global tables that are now freed. This patch below fixes the issue, and has been included in upstream. The latest upstream sources can be found here: Tarballs: http://code.google.com/p/libgcal/ Git repo: http://gitorious.org/libgcal Note that some software is already checking for >= 0.9.6 in configure scripts, to avoid this bug, and the latest 0.9.6 release fixes an API bug that the binary package has a special patch for. If at all possible, upgrading Squeeze to upstream 0.9.6 would be much preferred. But if not, this patch at least. Thanks, - Chris Patch: diff --git a/src/gcal_parser.c b/src/gcal_parser.c index 437d6ac..f1aa13c 100644 --- a/src/gcal_parser.c +++ b/src/gcal_parser.c @@ -103,7 +103,6 @@ int get_the_url(char *data, int length, char **url) result = 0; xmlFreeDoc(doc); - xmlCleanupParser(); exit: return result; @@ -160,7 +159,6 @@ int get_edit_url(char *data, int length, char **url) result = 0; xmlFreeDoc(doc); - xmlCleanupParser(); exit: return result; @@ -183,7 +181,6 @@ int get_edit_etag(char *data, int length, char **url) result = 0; xmlFreeDoc(doc); - xmlCleanupParser(); exit: return result; -- System Information: Debian Release: squeeze/sid APT prefers testing APT policy: (500, 'testing') Architecture: i386 (i686) Kernel: Linux 2.6.35.4 (PREEMPT) Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) Shell: /bin/sh linked to /bin/dash Versions of packages libgcal0 depends on: ii libc6 2.11.2-5 Embedded GNU C Library: Shared lib ii libcurl3-gnutls 7.21.0-1 Multi-protocol file transfer libra ii libxml2 2.7.7.dfsg-4 GNOME XML library libgcal0 recommends no packages. libgcal0 suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
