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Fix potential heap-use-after-free access

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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
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8
src/broker/Manager.cc
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@ -964,7 +964,13 @@ void Manager::Process()
try 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 ) catch ( std::runtime_error& e )
{ {