Willy Tarreau c0ee2d78d7 DEBUG: pools: report the data around the offending area in case of mismatch
When the integrity check fails, it's useful to get a dump of the area
around the first faulty byte. That's what this patch does. For example
it now shows this before reporting info about the tag itself:

  Contents around first corrupted address relative to pool item:.
  Contents around address 0xe4febc0792c0+40=0xe4febc0792e8:
    0xe4febc0792c8 [80 75 56 d8 fe e4 00 00] [.uV.....]
    0xe4febc0792d0 [a0 f7 23 a4 fe e4 00 00] [..#.....]
    0xe4febc0792d8 [90 75 56 d8 fe e4 00 00] [.uV.....]
    0xe4febc0792e0 [d9 93 fb ff fd ff ff ff] [........]
    0xe4febc0792e8 [d9 93 fb ff ff ff ff ff] [........]
    0xe4febc0792f0 [d9 93 fb ff ff ff ff ff] [........]
    0xe4febc0792f8 [d9 93 fb ff ff ff ff ff] [........]
    0xe4febc079300 [d9 93 fb ff ff ff ff ff] [........]

This may be backported to 2.9 and maybe even 2.8 as it does help spot
the cause of the memory corruption.
2024-04-12 18:01:55 +02:00
2021-09-16 09:14:14 +02:00
2024-04-06 17:02:07 +02:00
2024-04-06 17:02:07 +02:00
2024-04-06 17:02:07 +02:00

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)
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