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Care must be taken when reading/writing offset for STREAM frames. A special OFF bit is set in the frame type to indicate that the field is present. If not set, it is assumed that offset is 0. To represent this, offset field of quic_stream structure must always be initialized with a valid value in regards with its frame type OFF bit. The previous code has no bug in part because pool_zalloc() is used to allocate quic_frame instances. To be able to use pool_alloc(), offset is always explicitely set to 0. If a non-null value is used, OFF bit is set at the same occasion. A new BUG_ON() statement is added on frame builder to ensure that the caller has set OFF bit if offset is non null. This should be backported up to 2.7.
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)