Swiftdiff options
| author | Tobias Markmann <tm@ayena.de> | 2014-08-15 13:33:59 (GMT) |
|---|---|---|
| committer | Swift Review <review@swift.im> | 2014-09-18 06:23:03 (GMT) |
| commit | dbdd30aa0d94c79742a602908890548030088bc9 (patch) | |
| tree | 1e80c718167538fabf39c340f2e4a4d43773910e /Swiften | |
| parent | d33e0a18e51ce35b967398a7b6d22a26082de0e9 (diff) | |
| download | swift-dbdd30aa0d94c79742a602908890548030088bc9.zip swift-dbdd30aa0d94c79742a602908890548030088bc9.tar.bz2 | |
Only allocate BlockResponder and UnblockResponder once. Fixes ASAN
heap-used-after-free report.
Tested via ASAN, report gone after applying this change. It previously occured
during machine sleep/resume or logout/login.
Change-Id: I8af6a3c290457a4a98f94486a225f9dfb92ca885
License: This patch is BSD-licensed, see Documentation/Licenses/BSD-simplified.txt for details.
Diffstat (limited to 'Swiften')
| -rw-r--r-- | Swiften/Client/ClientBlockListManager.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Swiften/Client/ClientBlockListManager.cpp b/Swiften/Client/ClientBlockListManager.cpp index d446315..de43631 100644 --- a/Swiften/Client/ClientBlockListManager.cpp +++ b/Swiften/Client/ClientBlockListManager.cpp @@ -125,10 +125,14 @@ void ClientBlockListManager::handleBlockListReceived(boost::shared_ptr<BlockList else { blockList->setItems(payload->getItems()); blockList->setState(BlockList::Available); - blockResponder = boost::make_shared<BlockResponder>(blockList, iqRouter); - blockResponder->start(); - unblockResponder = boost::make_shared<UnblockResponder>(blockList, iqRouter); - unblockResponder->start(); + if (!blockResponder) { + blockResponder = boost::make_shared<BlockResponder>(blockList, iqRouter); + blockResponder->start(); + } + if (!unblockResponder) { + unblockResponder = boost::make_shared<UnblockResponder>(blockList, iqRouter); + unblockResponder->start(); + } } } |