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Aurelien DARRAGON 31adfb6c15 BUG/MEDIUM: logs: fix sess_build_logline_orig() recursion with options 
Since ccc43412 ("OPTIM: log: use thread local lf_buildctx to stop pushing
it on the stack"), recursively calling sess_build_logline_orig(), which
may for instance happen when leveraging %ID (or unique-id fetch) for the
first time, would lead to undefined behavior because the parent
sess_build_logline_orig() build context was shared between recursive calls
(only one build ctx per thread to avoid pushing it on the stack for each
call)

In short, the parent build ctx would be altered by the recursive calls,
which is obviously not expected and could result in log formatting errors.

To fix the issue but still avoid polluting the stack with large lf_buildctx
struct, let's move the static 256 bytes build buffer out of the buildctx
so that the buildctx is now stored in the stack again (each function
invokation has its own dedicated build ctx). On the other hand, it's
acceptable to have only 1 256 bytes build buffer per thread because the
build buffer is not involved in recursives calls (unlike the build ctx)

Thanks to Willy and Vincent Gramer for spotting the bug and providing
useful repro.

It should be backported in 3.0 with ccc43412.
2025-07-25 16:46:03 +02:00
.github CI: github: skip a ssl library version when latest is already in the list 2025-07-07 19:46:07 +02:00
addons MINOR: applet: Add support for flags on applets with a flag about the new API 2025-07-25 15:44:02 +02:00
admin BUG/MINOR: halog: exit with error when some output filters are set simultaneosly 2025-07-17 17:22:37 +02:00
dev DEV: gdb: add a memprofile decoder to the debug tools 2025-07-16 15:33:33 +02:00
doc MINOR: log: explicitly ignore "log-steps" on backends 2025-07-22 10:22:04 +02:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include MEDIUM: applet: Emit a warning when a legacy applet is spawned 2025-07-25 15:53:33 +02:00
reg-tests CLEANUP: assorted typo fixes in the code, commits and doc 2025-07-10 19:49:48 +02:00
scripts BUILD: adjust scripts/build-ssl.sh to modern CMake system of QuicTLS 2025-07-11 05:04:31 +02:00
src BUG/MEDIUM: logs: fix sess_build_logline_orig() recursion with options 2025-07-25 16:46:03 +02:00
tests TESTS: Fix build for filltab25.c 2025-04-03 15:59:41 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-2 2025-02-12 13:18:55 +01:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: tevt/dev: Add term_events tool 2025-01-31 10:41:50 +01:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml MEDIUM: mworker: remove USE_SYSTEMD requirement for -Ws 2024-11-20 12:07:38 +01:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.3-dev3 2025-07-11 16:45:50 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL MINOR: version: mention that it's development again 2025-05-28 16:46:15 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile MEDIUM: httpclient: split the CLI from the actual httpclient API 2025-07-01 15:46:04 +02:00
README.md DOC: change the link to the FreeBSD CI in README.md 2024-06-03 15:21:29 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.3-dev3 2025-07-11 16:45:50 +02:00
VERSION [RELEASE] Released version 3.3-dev3 2025-07-11 16:45:50 +02:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.

Installation

The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.

Getting help

The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.

The issue tracker is only for bug reports or feature requests.

Documentation

The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.

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:

License

HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.