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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2018/07/17 21:15:00 UTC
[jira] [Created] (CASSANDRA-14574) Racy incorrect handling of
incoming messages
Aleksey Yeschenko created CASSANDRA-14574:
---------------------------------------------
Summary: Racy incorrect handling of incoming messages
Key: CASSANDRA-14574
URL: https://issues.apache.org/jira/browse/CASSANDRA-14574
Project: Cassandra
Issue Type: Bug
Components: Streaming and Messaging
Reporter: Aleksey Yeschenko
Fix For: 4.0
{{MessageInHandler.decode()}} occasionally reads the payload incorrectly, passing the full message to {{MessageIn.read()}} instead of just the payload bytes.
You can see the stack trace in the logs from this [CI run|https://circleci.com/gh/iamaleksey/cassandra/437#tests/containers/38].
{code}
Caused by: java.lang.AssertionError: null
at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:351)
at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:371)
at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:335)
at org.apache.cassandra.net.MessageIn.read(MessageIn.java:158)
at org.apache.cassandra.net.async.MessageInHandler.decode(MessageInHandler.java:132)
{code}
Reconstructed, truncated stream passed to {{MessageIn.read()}}:
{{0000000b000743414c5f42414301002a01e1a5c9b089fd11e8b517436ee1243007040000005d10fc50ec}}
You can clearly see parameters in there encoded before the payload:
{{[43414c5f424143 - CAL_BAC] [01 - ONE_BYTE] [002a - 42, payload size] 01 e1 a5 c9 b0 89 fd 11 e8 b5 17 43 6e e1 24 30 07 04 00 00 00 1d 10 fc 50 ec}}}
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