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With737d10f("BUG/MEDIUM: dns: ensure ring offset is properly reajusted to head") ring offset is now properly re-adjusted in dns_session_io_handler() and dns_process_req(). But the previous patch does not cope well if the first read is performed on a non-empty ring since relative ofs will be computed from ds->ofs=0 or dss->ofs_req=0. In this case: relative offset could become invalid since we mix up relative offsets with absolute offsets. To fix this, we apply the same logic performed ind9c7188("MEDIUM: ring: make the offset relative to the head/tail instead of absolute") for the cli_io_handler_show_ring() function: that is using b_peek_ofs(buf, 0) to set the contextual offset instead of hard-coding it to 0. This should be considered as a minor bugfix since this bug was discovered by reading the code:737d10falready survived a good amount of stress-tests as shown in GH #2068. No backport needed as737d10fis not marked for backports.
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)