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https://issues.apache.org/jira/browse/CASSANDRA-2951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13072228#comment-13072228
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Sylvain Lebresne commented on CASSANDRA-2951:
---------------------------------------------
You forgot to use <= 0 in finalize in you commit, I took the liberty to change
it.
> FreeableMemory can be accessed after it is invalid
> --------------------------------------------------
>
> 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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