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Christopher Faulet d02e1170f8 BUG/MAJOR: buf: Fix copy of wrapping output data when a buffer is realigned 
There is a bug in b_slow_realign() function when wrapping output data are
copied in the swap buffer. block1 and block2 sizes are inverted. Thus blocks
with a wrong size are copied. It leads to data mixin if the first block is
in reality larger than the second one or to a copy of data outside the
buffer is the first block is smaller than the second one.

The bug was introduced when the buffer API was refactored in 1.9. It was
found by a code review and seems never to have been triggered in almost 5
years. However, we cannot exclude it is responsible of some unresolved bugs.

This patch should fix issue #1978. It must be backported as far as 2.0.

(cherry picked from commit 61aded057d)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit 4a048c13f5ec3bcd060c8af955fe51694400b69d)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
2023-01-20 09:33:34 +01:00
.github CI: github: split matrix for development and stable branches 2023-01-20 09:24:34 +01:00
addons LICENSE: wurfl: clarify the dummy library license. 2023-01-20 09:25:26 +01:00
admin BUILD: halog: fix some incorrect signs in printf formats for integers 2022-04-12 08:40:38 +02:00
dev DEV: flags: add missing CO_FL_FDLESS connection flag 2022-09-12 17:54:22 +02:00
doc BUG/MINOR: pool/stats: Use ullong to report total pool usage in bytes in stats 2023-01-20 09:29:07 +01:00
examples EXAMPLES: remove completely outdated acl-content-sw.cfg 2022-05-30 18:14:24 +02:00
include BUG/MAJOR: buf: Fix copy of wrapping output data when a buffer is realigned 2023-01-20 09:33:34 +01:00
reg-tests BUG/MEDIUM: tests: use tmpdir to create UNIX socket 2023-01-20 09:27:17 +01:00
scripts SCRIPTS: announce-release: add a link to the data plane API 2022-12-02 15:31:03 +01:00
src BUG/MINOR: http-fetch: Only fill txn status during prefetch if not already set 2023-01-20 09:33:28 +01:00
tests CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 13-1 2022-09-12 17:54:22 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CLEANUP: exclude haring with .gitignore 2022-09-01 08:38:18 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml CI: travis-ci: temporarily disable arm64 builds 2021-08-07 07:28:15 +02:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
CHANGELOG [RELEASE] Released version 2.6.7 2022-12-02 18:10:22 +01:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL BUILD: Makefile: Add Lua 5.4 autodetect 2022-07-08 17:39:46 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS DOC: add maintainers for QUIC and HTTP/3 2022-05-30 17:34:51 +02:00
Makefile BUILD: makefile: sort the features list 2023-01-20 09:31:00 +01:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 2.6.7 2022-12-02 18:10:22 +01:00
VERSION [RELEASE] Released version 2.6.7 2022-12-02 18:10:22 +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)