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HAProxy - Load balancer
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BUG/MEDIUM: regex: initialize the match array earlier during boot 
As reported by @zhanhb in github issue #3410, since 3.3 with commit
fda6dc959 ("MINOR: regex: use a thread-local match pointer for pcre2"),
the local_pcre2_match array is initialized too late for use by Lua. If
a lua-load makes use of regex, it may segfault (actually using PCRE2
is fine but PCRE2_JIT will crash):

Let's change the init sequence so that the first thread's context is
initialized early at boot and other threads are initialized when they
are created. For lua-load-per-thread, all extra threads will run on
the first thread's temporary storage during init but that's not a
problem since the sole purpose is to avoid concurrent accesses.

Thanks to @zhanbb for the detailed report and quick tests. This needs
to be backported to 3.3.
2026-06-07 07:46:32 +02:00
.github CI: github: run illumos job weekly on Mondays at 03:00 instead of monthly 2026-06-03 13:22:04 +02:00
addons MINOR: addons/51degrees: handle memory allocation failures 2026-05-31 10:26:41 +02:00
admin CLEANUP: admin/halog: improve handling of memory allocation errors 2026-05-31 10:30:00 +02:00
dev DEV: patchbot: prepare for new version 3.5-dev 2026-06-03 14:56:22 +02:00
doc [RELEASE] Released version 3.5-dev0 2026-06-03 15:26:45 +02:00
examples MEDIUM: mux_quic: rename qmux traces to qcm 2026-05-13 16:23:58 +02:00
include [RELEASE] Released version 3.5-dev0 2026-06-03 15:26:45 +02:00
reg-tests REGTESTS: checks: Add script for external healthchecks 2026-06-05 17:15:31 +02:00
scripts SCRIPTS: announce-release: add a link to the OpenTelemetry filter 2026-05-08 12:05:09 +02:00
src BUG/MEDIUM: regex: initialize the match array earlier during boot 2026-06-07 07:46:32 +02:00
tests TESTS: quic: add unit-tests for QUIC TX part 2025-09-08 14:49:03 +02:00
.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 CLEANUP: tree-wide: fix typos in user-invisible files 2026-05-13 17:03:48 +02:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.5-dev0 2026-06-03 15:26:45 +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 2026-06-03 15:25:53 +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 BUILD: makefile: fix build error with GNU make 4.2.1 and /bin/dash 2026-06-03 12:04:21 +02:00
README.md CI: github: replace cirrus by a vmactions/freebsd-vm job 2026-06-03 11:20:31 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.4.0 2026-06-03 15:01:51 +02:00
VERSION [RELEASE] Released version 3.5-dev0 2026-06-03 15:26:45 +02:00

README.md

HAProxy

AWS-LC Illumos NetBSD CrossCompile 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.