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HAProxy - Load balancer
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Aurelien DARRAGON 0e6f968ee3 BUG/MEDIUM: stktable: fix sc_*(<ctr>) BUG_ON() regression with ctx > 9 
As reported in GH #2958, commit 6c9b315 caused a regression with sc_*
fetches and tracked counter id > 9.

As such, the below configuration would cause a BUG_ON() to be triggered:

  global
    log stdout format raw local0
    tune.stick-counters 11

  defaults
    log global
    mode http

  frontend www
    bind *:8080

    acl track_me bool(true)
    http-request set-var(txn.track_var) str("a")
    http-request track-sc10 var(txn.track_var) table rate_table if track_me
    http-request set-var(txn.track_var_rate) sc_gpc_rate(0,10,rate_table)
    http-request return status 200

  backend rate_table
      stick-table type string size 1k expire 5m store gpc_rate(1,1m)

While in 6c9b315 the src_fetch logic was removed from
smp_fetch_sc_stkctr(), num > 9 is indeed not expected anymore as
original num value. But what we didn't consider is that num is effectively
re-assigned for generic sc_* variant.

Thus the BUG_ON() is misplaced as it should only be evaluated for
non-generic fetches. It explains why it triggers with valid configurations

Thanks to GH user @tkjaer for his detailed report and bug analysis

No backport needed, this bug is specific to 3.2.
2025-05-02 16:57:45 +02:00
.github CI: fedora rawhide: enable unit tests 2025-04-15 16:53:54 +02:00
addons CLEANUP: assorted typo fixes in the code, commits and doc 2025-04-03 11:37:25 +02:00
admin CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
dev DEV: h2: fix h2-tracer.lua nil value index 2025-04-08 17:44:41 +02:00
doc [RELEASE] Released version 3.2-dev14 2025-05-02 16:23:28 +02:00
examples EXAMPLES: add "games.cfg" and an example game in Lua 2025-04-01 09:10:00 +02:00
include BUILD: acme: need HAVE_ASN1_TIME_TO_TM 2025-05-02 16:01:32 +02:00
reg-tests REGTEST: add new reg-test for the 4 new clienthello fetches 2025-04-17 16:39:47 +02:00
scripts TESTS: unit-tests: store sh -x in a result file 2025-03-06 21:22:38 +01:00
src BUG/MEDIUM: stktable: fix sc_*(<ctr>) BUG_ON() regression with ctx > 9 2025-05-02 16:57:45 +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 3.2-dev14 2025-05-02 16:23:28 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL DOC: update INSTALL to reflect the minimum compiler version 2025-04-02 18:09:47 +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 MINOR: ssl: Add traces to ssl init/close functions 2025-04-30 11:11:26 +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 3.2-dev14 2025-05-02 16:23:28 +02:00
VERSION [RELEASE] Released version 3.2-dev14 2025-05-02 16:23:28 +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.