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Amaury Denoyelle 5ab8106639 BUG/MINOR: h3: fix crash on STOP_SENDING receive after GOAWAY emission
After emitting a HTTP/3 GOAWAY frame, opening of streams higher than
advertised ID was prevented. h3_attach operation would return success
but without allocating H3S stream context for QCS. In addition, the
stream would be immediately scheduled for RESET_STREAM emission.

Despite the immediate stream close, the current is not sufficient enough
and can cause crashes. When of this occurence can be found if
STOP_SENDING is the first frame received for a stream. A crash would
occur under qcc_recv_stop_sending() after h3_attach invokation, when
h3_close() is used which try to access to H3S context.

To fix this, change h3_attach API. In case of success, H3S stream
context is always allocated, even if the stream will be scheduled for
immediate close. This renders the code more reliable.

This crash should be extremely rare, as it can only happen after GOAWAY
emission, which is only used on soft-stop or reload.

This should solve the second crash occurence reported on GH #2607.

This must be backported up to 2.8.

(cherry picked from commit 85838822ba37a92b2dcc43205a07c2b33208b985)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
2024-06-26 15:16:24 +02:00
.github CI: github: upgrade the WolfSSL job to 5.7.0 2024-05-28 19:26:52 +02:00
addons MINOR: stats: define stats-file output format support 2024-04-26 10:20:57 +02:00
admin BUILD: address a few remaining calloc(size, n) cases 2024-02-10 11:37:27 +01:00
dev DEV: patchbot: prepare for new version 3.1-dev 2024-05-29 14:38:21 +02:00
doc DOC: api/event_hdl: small updates, fix an example and add some precisions 2024-06-26 15:16:24 +02:00
examples CLEANUP: assorted typo fixes in the code and comments 2023-11-23 16:23:14 +01:00
include DEBUG: hlua: distinguish burst timeout errors from exec timeout errors 2024-06-26 15:16:24 +02:00
reg-tests REGTESTS: ssl: fix some regtests 'feature cmd' start condition 2024-06-26 15:16:24 +02:00
scripts SCRIPTS: git-show-backports: do not truncate git-show output 2024-06-26 15:16:24 +02:00
src BUG/MINOR: h3: fix crash on STOP_SENDING receive after GOAWAY emission 2024-06-26 15:16:24 +02:00
tests MINOR: ist: define iststrip() new function 2024-04-26 11:29:25 +02:00
.cirrus.yml CI: cirrus-ci: display gdb bt if any 2023-09-22 08:28:30 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CONTRIB: Add vi file extensions to .gitignore 2023-06-02 18:14:34 +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
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.0.2 2024-06-14 15:00:35 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL MINOR: version: mention that it's 3.0 LTS now. 2024-05-29 14:40:26 +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: yearly reordering of objects by build time 2024-05-27 19:14:14 +02:00
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 3.0.2 2024-06-14 15:00:35 +02:00
VERSION [RELEASE] Released version 3.0.2 2024-06-14 15:00:35 +02:00

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)