Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-02 06:38:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Fix potential heap-use-after-free access

Browse source
This commit is contained in:
Dominik Charousset 2020-07-30 17:38:58 +02:00
parent 202c5dc007
commit 146707d10d
1 changed files with 7 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/broker/Manager.cc
View file

@ -964,7 +964,13 @@ void Manager::Process()
try
{
DispatchMessage(topic, broker::move_data(message));
// Once we call a broker::move_* function, we force Broker to
// unshare the content of the message, i.e., copy the content to a
// different memory region if other threads keep references to the
// message. Since `topic` still points into the original memory
// region, we may no longer access it after this point.
auto unshared_topic = broker::move_topic(message);
DispatchMessage(unshared_topic, broker::move_data(message));
}
catch ( std::runtime_error& e )
{