[jira] [Created] (PROTON-2568) Leak of addrinfo memory held by raw connection

["Ken Giusti (Jira)" <ji...@apache.org>]

Ken Giusti created PROTON-2568:
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             Summary: Leak of addrinfo memory held by raw connection 
                 Key: PROTON-2568
                 URL: https://issues.apache.org/jira/browse/PROTON-2568
             Project: Qpid Proton
          Issue Type: Bug
          Components: proton-c
    Affects Versions: proton-c-0.37.0, proton-c-0.38.0
            Reporter: Ken Giusti


This leak can be triggered by running the skupper-router http1 unit test for a single router, example:

/usr/bin/python3.10 "/home/kgiusti/work/skupper/skupper-router/BUILD/tests/run.py" "-m" "unittest" "-v" "system_tests_http1_adaptor.Http1AdaptorOneRouterTest.test_001_get"

 

The leak occurs when skupper-router is attempting to connect to a remote HTTP server via a raw connection but shuts down before any raw connection events are processed (e.g. No PN_RAW_CONNECTION_CONNECTED or _DISCONNECTED).

During shutdown the router frees the proactor and expects any outstanding raw connection resources owned by it to be freed.

I've traced the proactor shutdown logic, and when the leak occurs there is a final call to praw_connection_cleanup() for the outstanding connection, but the praw_connection_t still holds a pointer to the allocated addrinfo.  praw_connection_cleanup() frees the praw_connection_t but does not call freeaddrinfo(prc->addrinfo) to release the addrinfo memory.



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