Fix unportable usage associated with va_list arguments

This commit is contained in:
Tom Lane 2011-10-16 23:15:24 -04:00 committed by Michal Schorm
parent 6a1ccd79dd
commit 247bef4027
2 changed files with 62 additions and 1 deletions

55
mysql-va-list.patch Normal file
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@ -0,0 +1,55 @@
Fix unportable usage associated with va_list arguments. Passing "0" to
a va_list argument only works if va_list is an integer or pointer type,
which is not required by the C spec, and is not true on ARM for instance.
Per bug #744707.
diff -Naur mysql-5.5.16.orig/sql-common/client_plugin.c mysql-5.5.16/sql-common/client_plugin.c
--- mysql-5.5.16.orig/sql-common/client_plugin.c 2011-09-09 11:56:39.000000000 -0400
+++ mysql-5.5.16/sql-common/client_plugin.c 2011-10-16 23:00:00.708799138 -0400
@@ -228,11 +228,13 @@
{
MYSQL mysql;
struct st_mysql_client_plugin **builtin;
+ va_list unused;
if (initialized)
return 0;
bzero(&mysql, sizeof(mysql)); /* dummy mysql for set_mysql_extended_error */
+ bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
pthread_mutex_init(&LOCK_load_client_plugin, MY_MUTEX_INIT_SLOW);
init_alloc_root(&mem_root, 128, 128);
@@ -244,7 +246,7 @@
pthread_mutex_lock(&LOCK_load_client_plugin);
for (builtin= mysql_client_builtins; *builtin; builtin++)
- add_plugin(&mysql, *builtin, 0, 0, 0);
+ add_plugin(&mysql, *builtin, 0, 0, unused);
pthread_mutex_unlock(&LOCK_load_client_plugin);
@@ -288,9 +290,13 @@
mysql_client_register_plugin(MYSQL *mysql,
struct st_mysql_client_plugin *plugin)
{
+ va_list unused;
+
if (is_not_initialized(mysql, plugin->name))
return NULL;
+ bzero(&unused, sizeof(unused)); /* suppress uninitialized-value warnings */
+
pthread_mutex_lock(&LOCK_load_client_plugin);
/* make sure the plugin wasn't loaded meanwhile */
@@ -302,7 +308,7 @@
plugin= NULL;
}
else
- plugin= add_plugin(mysql, plugin, 0, 0, 0);
+ plugin= add_plugin(mysql, plugin, 0, 0, unused);
pthread_mutex_unlock(&LOCK_load_client_plugin);
return plugin;

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@ -1,6 +1,6 @@
Name: mysql
Version: 5.5.16
Release: 2%{?dist}
Release: 3%{?dist}
# Update this whenever F15 gets rebased; it must be NVR-greater than F15 pkg.
# Our convention for the life of F15 is that sysv packages will be numbered
# 1dist.n while systemd packages will be 2dist and higher.
@ -53,6 +53,7 @@ Patch10: mysql-plugin-bool.patch
Patch11: mysql-s390-tsc.patch
Patch12: mysql-openssl-test.patch
Patch13: mysqld-nowatch.patch
Patch14: mysql-va-list.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
BuildRequires: perl, readline-devel, openssl-devel
@ -203,6 +204,7 @@ the MySQL sources.
%patch11 -p1
%patch12 -p1
%patch13 -p1
%patch14 -p1
# workaround for upstream bug #56342
rm -f mysql-test/t/ssl_8k_key-master.opt
@ -652,6 +654,10 @@ fi
%{_mandir}/man1/mysql_client_test.1*
%changelog
* Sun Oct 16 2011 Tom Lane <tgl@redhat.com> 5.5.16-3
- Fix unportable usage associated with va_list arguments
Resolves: #744707
* Sun Oct 16 2011 Tom Lane <tgl@redhat.com> 5.5.16-2
- Update to MySQL 5.5.16, for various fixes described at
http://dev.mysql.com/doc/refman/5.5/en/news-5-5-16.html