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Willy Tarreau 8fc7073906 BUG/MEDIUM: threads: fix a tiny race in thread_isolate() 
Aurélien found a tiny race in thread_isolate() that can allow a thread
that was running under isolation to continue running while another one
enters isolation. The reason is that the check for harmless is only
done before winning the CAS, but since the previously isolated thread
doesn't wait for !rdv_request in thread_release(), it can effectively
continue its activities while the next one believes it's isolated. A
proper solution consists in looping once again in thread_isolate() to
recheck (and wait) for all threads to be isolated once the CAS is won.

The issue was introduced in 2.7 by commit 598cf3f22 ("MAJOR: threads:
change thread_isolate to support inter-group synchronization") so the
fix needs to be backported there.
2023-05-27 13:53:46 +02:00
.github CI: drop Fedora m32 pipeline in favour of cross matrix 2023-05-17 14:57:10 +02:00
addons MINOR: tree-wide: use free_acl_cond() where relevant 2023-05-11 15:37:04 +02:00
admin MINOR: acme.sh: add the deploy script for acme.sh in admin directory 2023-04-26 17:32:15 +02:00
dev DEV: add a Lua helper script for SSL keys logging 2023-05-24 16:08:23 +02:00
doc MINOR: init: pre-allocate kernel data structures on init 2023-05-26 09:28:18 +02:00
examples EXAMPLES: fix race condition in lua mailers script 2023-05-12 09:45:30 +02:00
include MINOR: quic: fix stats naming for flow control BLOCKED frames 2023-05-26 17:17:00 +02:00
reg-tests MINOR: compression: Improve the way Vary header is added 2023-05-25 11:25:31 +02:00
scripts SCRIPTS: publish-release: update the umask to keep group write access 2023-05-24 22:49:12 +02:00
src BUG/MEDIUM: threads: fix a tiny race in thread_isolate() 2023-05-27 13:53:46 +02:00
tests TESTS: add a unit test for one_among_mask() 2022-06-21 20:29:57 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 13-1 2023-04-23 09:44:53 +02:00
.gitattributes
.gitignore BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml
BRANCHES
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 2.8-dev13 2023-05-24 22:53:55 +02:00
CONTRIBUTING
INSTALL DOC: install: specify the minimum openssl version recommended 2023-05-26 14:44:33 +02:00
LICENSE
MAINTAINERS CLEANUP: assorted typo fixes in the code and comments 2022-11-30 14:02:36 +01:00
Makefile BUILD: makefile: search for SSL_INC/wolfssl before SSL_INC 2023-05-25 20:17:27 +02:00
README
SUBVERS
VERDATE [RELEASE] Released version 2.8-dev13 2023-05-24 22:53:55 +02:00
VERSION [RELEASE] Released version 2.8-dev13 2023-05-24 22:53:55 +02:00

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)