[IMPALA-12969] DeserializeThriftMsg may leak JNI resources

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: Impala 4.4.0
• Epic Color: ghx-label-3
• Assignee: Csaba Ringhofer
• Reporter: Csaba Ringhofer
• Created: 03/Apr/24 18:34
• Updated: 3 days ago 14:28
• Resolved: 08/Apr/24 15:01

Description

JNI's GetByteArrayElements should be followed by a ReleaseByteArrayElements call, but this is not done in case there is an error during deserialization:

https://github.com/apache/impala/blob/f05eac647647b5e03c3aafc35f785c73d07e2658/be/src/rpc/jni-thrift-util.h#L66