You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
2.2 KiB
51 lines
2.2 KiB
7 years ago
|
diff -up yum-3.4.3/cli.py.orig yum-3.4.3/cli.py
|
||
|
|
--- yum-3.4.3/cli.py.orig 2017-06-29 17:44:53.784522557 +0200
|
||
|
|
+++ yum-3.4.3/cli.py 2017-06-29 17:46:16.249149700 +0200
|
||
|
|
@@ -28,6 +28,7 @@ import logging
|
||
|
|
import math
|
||
|
|
from optparse import OptionParser,OptionGroup,SUPPRESS_HELP
|
||
|
|
import rpm
|
||
|
|
+import ctypes
|
||
|
|
|
||
|
|
from weakref import proxy as weakref
|
||
|
|
|
||
|
|
@@ -779,6 +780,38 @@ class YumBaseCli(yum.YumBase, output.Yum
|
||
|
|
if self.conf.debuglevel < 2:
|
||
|
|
cb.display.output = False
|
||
|
|
|
||
|
|
+ # Whenever we upgrade a shared library (and its dependencies) which the
|
||
|
|
+ # yum process itself may dlopen() post-transaction (e.g. in a plugin
|
||
|
|
+ # hook), we may end up in a situation where the upgraded library and
|
||
|
|
+ # the pre-transaction version of a library it depends on which is ABI
|
||
|
|
+ # incompatible are loaded in memory at the same time, leading to
|
||
|
|
+ # unpredictable behavior and possibly a crash. Let's avoid that by
|
||
|
|
+ # preloading all such dynamically loaded libraries pre-transaction so
|
||
|
|
+ # that dlopen(), if called post-transaction, uses those instead of
|
||
|
|
+ # loading the newly installed versions.
|
||
|
|
+ preload = {
|
||
|
|
+ # Loaded by libcurl, see BZ#1458841
|
||
|
|
+ 'nss-sysinit': ['libnsssysinit.so'],
|
||
|
|
+ }
|
||
|
|
+ for pkg in preload:
|
||
|
|
+ # Only preload the libs if the package is actually installed and we
|
||
|
|
+ # are changing it with the transaction
|
||
|
|
+ if not self.tsInfo.matchNaevr(name=pkg) or \
|
||
|
|
+ not self.rpmdb.searchNevra(name=pkg):
|
||
|
|
+ continue
|
||
|
|
+ for lib in preload[pkg]:
|
||
|
|
+ try:
|
||
|
|
+ ctypes.cdll.LoadLibrary(lib)
|
||
|
|
+ self.verbose_logger.log(
|
||
|
|
+ yum.logginglevels.DEBUG_4,
|
||
|
|
+ _('Preloaded shared library %s') % lib
|
||
|
|
+ )
|
||
|
|
+ except Exception as e:
|
||
|
|
+ self.verbose_logger.log(
|
||
|
|
+ yum.logginglevels.DEBUG_4,
|
||
|
|
+ _('Could not preload shared library %s: %s') % (lib, e)
|
||
|
|
+ )
|
||
|
|
+
|
||
|
|
self.verbose_logger.log(yum.logginglevels.INFO_2, _('Running transaction'))
|
||
|
|
resultobject = self.runTransaction(cb=cb)
|
||
|
|
|