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Thayne McCombs 24da7e1aa6 BUG/MEDIUM: server: srv_set_addr_desc() crashes when a server has no address 
GitHub Issue #1026 reported a crash during configuration check for the
following example config:

    backend 0
    server 0 0
    server 0 0

HAProxy crashed in srv_set_addr_desc() due to a NULL pointer dereference
caused by `sa2str` returning NULL for an `AF_UNSPEC` address (`0`).

Check to make sure the address key is non-null before using it for
comparison or inserting it into the tree.

The crash was introduced in commit 92149f9a8 ("MEDIUM: stick-tables: Add
srvkey option to stick-table") which not in any released version so no
backport is needed.

Cc: Tim Duesterhus <tim@bastelstu.be>
2021-01-06 09:19:15 +01:00
.github CI: github actions: build several popular "contrib" tools 2021-01-05 17:44:00 +01:00
contrib CLEANUP: Apply the coccinelle patch for XXXcmp() on contrib/ 2021-01-04 10:09:02 +01:00
doc MEDIUM: stick-tables: Add srvkey option to stick-table 2020-12-31 10:04:54 +01:00
examples CLEANUP: assorted typo fixes in the code and comments 2020-06-26 11:27:28 +02:00
include MINOR: quic: Drop packets with STREAM frames with wrong direction. 2021-01-04 12:31:28 +01:00
reg-tests REGTESTS: add test for stickiness using "srvkey addr" 2020-12-31 10:08:54 +01:00
scripts REGTESTS: make use of HAPROXY_ARGS and pass -dM by default 2020-12-16 21:43:50 +01:00
src BUG/MEDIUM: server: srv_set_addr_desc() crashes when a server has no address 2021-01-06 09:19:15 +01:00
tests MEDIUM: config: remove the deprecated and dangerous global "debug" directive 2020-10-09 19:18:45 +02:00
.cirrus.yml CI: cirrus: drop CentOS 6 builds 2020-12-16 09:21:51 +01:00
.gitattributes MINOR: Commit .gitattributes 2020-09-05 16:21:59 +02:00
.gitignore CLEANUP: Update .gitignore 2020-09-12 13:11:24 +02:00
.travis.yml CI: travis-ci: drop coverity scan builds 2020-12-22 19:39:23 +01:00
BRANCHES DOC: assorted typo fixes in the documentation 2020-03-09 14:45:58 +01:00
CHANGELOG [RELEASE] Released version 2.4-dev4 2020-12-21 11:54:56 +01:00
CONTRIBUTING DOC: Use gender neutral language 2020-07-26 22:35:43 +02:00
INSTALL DOC: mention in INSTALL that it's development again 2020-11-05 17:19:13 +01:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS DOC: email change of the DeviceAtlas maintainer 2020-12-10 11:00:18 +01:00
Makefile DOC: Improve the message printed when running make w/o TARGET 2021-01-05 19:32:48 +01:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
ROADMAP DOC: update the outdated ROADMAP file 2019-06-15 21:59:54 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 2.4-dev4 2020-12-21 11:54:56 +01:00
VERSION [RELEASE] Released version 2.4-dev4 2020-12-21 11:54:56 +01:00

README 

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)