Hi, HAProxy 2.9.15 was released on 2025/03/21. It added 19 new commits after version 2.9.14.
This is a small update with various non-sensitive fixes to stabilize the last version of 2.9. At this point it should not be deployed and systems must be updated to 3.0 or newer. This version is essentially for those who got caught at the last minute and forgot the deadline. Only a subset of the pending fixes were backported here: - reloads that transfer listening sockets to the new worker process could make the older worker consume a lot of CPU for no apparent reason for the time it remained present. The cause was that these FDs were registered in epoll and when a new connection arrived to the new process, the old one would also be notified without being able to unregister it since already closed (well-known epoll pitfall). Now these FDs are properly unregistered after being transfered so it's possible that some users with long-running old processes will observe a lower CPU usage on these old processes. - in API issue in the applets could have resulted in some shutdown or error conditions to be missed in the future, so as a prevention it was fixed. Turns out, after fixing this, it uncovered a bug in the CLI's "_getsocks" handler that was causing an infinite loop during reloads, and another one in the SPOE applet where the appled would never shut down (neither appeared in a released version), and these bug were also fixed. - SPOE applets could be woken in loops during stopping, thus eating a lot of CPU until the process stopped. Note that this only concerns versions 3.0 and earlier. - a BUG_ON() could be triggered when using filters with no http_payload callback. - a bug in htx_xfer_blks() could result in occasionally transfering more blocks than requested on 32-bit platforms. - some TLSv1.3 signature algorithms were not recognized by the ClientHello parser which was written before TLSv1.3. The ones that were not correctly supported were based on RSA-PSS and would have resulted in presenting a possibly wrong certificate when both RSA and ECDSA ones were present for the same SNI. - a startup race can randomly affect the setting of CPU affinity of certain threads during boot, if the thread starts faster than the parent updates the pthread identifier upon return. When it happens, the affinity setting will often be silently ignored, but on some libs such as musl, it can also result in a segfault at boot. - a few isses on the peers section parser and config consistency checker possibly causing issues or even a segfault. - h2: leading and trailing spaces are now properly trimmed in header values. - the h3 mux will no longer forget to send the FIN when the server responds before the end of the request. Without this, a client could remain stuck waiting for it. - servers attached to a ring wouldn't wait before trying to reconnect, causing connection storms in case of a server failure. Please do not open issues about this version since it won't be fixed ;-) Please find the usual URLs below : Site index : https://www.haproxy.org/ Documentation : https://docs.haproxy.org/ Wiki : https://github.com/haproxy/wiki/wiki Discourse : https://discourse.haproxy.org/ Slack channel : https://slack.haproxy.org/ Issue tracker : https://github.com/haproxy/haproxy/issues Sources : https://www.haproxy.org/download/2.9/src/ Git repository : https://git.haproxy.org/git/haproxy-2.9.git/ Git Web browsing : https://git.haproxy.org/?p=haproxy-2.9.git Changelog : https://www.haproxy.org/download/2.9/src/CHANGELOG Dataplane API : https://github.com/haproxytech/dataplaneapi/releases/latest Pending bugs : https://www.haproxy.org/l/pending-bugs Reviewed bugs : https://www.haproxy.org/l/reviewed-bugs Code reports : https://www.haproxy.org/l/code-reports Latest builds : https://www.haproxy.org/l/dev-packages Willy --- Complete changelog : Amaury Denoyelle (2): BUG/MINOR: h3: do not report transfer as aborted on preemptive response CLEANUP: h3: fix documentation of h3_rcv_buf() Aurelien DARRAGON (1): BUG/MINOR: sink: add tempo between 2 connection attempts for sft servers Christopher Faulet (8): BUG/MINOR: spoe: Check the shared waiting queue to shut applets during stopping BUG/MINOR: spoe: Allow applet creation when closing the last one during stopping BUG/MEDIUM: spoe: Don't wakeup idle applets in loop during stopping REGTESTS: Fix truncated.vtc to send 0-CRLF BUG/MEDIUM: filters: Handle filters registered on data with no payload callback BUG/MINOR: mux-h2: Properly handle full or truncated HTX messages on shut BUG/MINOR: cli: Fix memory leak on error for _getsocks command BUG/MINOR: cli: Fix a possible infinite loop in _getsocks() Valentine Krasnobaeva (2): BUG/MINOR: cfgparse: fix NULL ptr dereference in cfg_parse_peers BUG/MEIDUM: startup: return to initial cwd only after check_config_validity() William Lallemand (2): BUG/MEDIUM: ssl: chosing correct certificate using RSA-PSS with TLSv1.3 BUG/MEDIUM: htx: wrong count computation in htx_xfer_blks() Willy Tarreau (4): BUG/MEDIUM: fd: mark FD transferred to another process as FD_CLONED BUG/MEDIUM: thread: use pthread_self() not ha_pthread[tid] in set_affinity BUG/MINOR: h2: always trim leading and trailing LWS in header values MINOR: version: Set the EOL of the 2.9 branch ---