FreeableMemory can be accessed after it is invalid
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Key: CASSANDRA-2951
URL: https://issues.apache.org/jira/browse/CASSANDRA-2951
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 0.8.0
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Priority: Minor
Fix For: 0.8.3
Attachments: 2951.txt
SerializingCache.get looks like this:
{code}
public V get(Object key)
{
FreeableMemory mem = map.get(key);
if (mem == null)
return null;
return deserialize(mem);
}
{code}
If a cache object is evicted or replaced after the get happens, but before
deserialize completes, we will trigger an assertion failure (if asserts are
enabled) or segfault (if they are not).
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