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Release the memory allocated for the Initial and Handshake encryption level under packet number spaces as soon as possible. qc_treat_rx_pkts() has been modified to do that for the Initial case. This must be done after all the Initial packets have been parsed and the underlying TLS secrets have been flagged as to be discarded. As the Initial encryption level is removed from the list attached to the quic_conn object inside a list_for_each_entry() loop, this latter had to be converted into a list_for_each_entry_safe() loop. The memory allocated by the Handshake encryption level and packet number spaces is released just before leaving the handshake I/O callback (qc_conn_io_cb()). As ->iel and ->hel pointer to Initial and Handshake encryption are reset to null value when releasing the encryption levels memory, some check have been added at several place before dereferencing them. Same thing for the ->ipktns and ->htpktns pointer to packet number spaces. Also take the opportunity of this patch to modify qc_dgrams_retransmit() to use packet number space variables in place of encryption level variables to shorten some statements. Furthermore this reflects the jobs it has to do: retransmit UDP datagrams from packet number spaces.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)