+2022-03-28 lttng-tools 2.12.10 (National Hot Tub Day)
+ * Fix: Remove liblttng-ctl.so dependency on liburcu-cds.so and liburcu-common.so
+
+2022-03-28 lttng-tools 2.12.9 (National Hot Tub Day)
+ * Fix: lttng-elf: wrong error label used by error path
+ * Fix: use the correct endian compat macros
+ * Fix: lttng-elf: untrusted entry size divisor
+ * Fix: event: erroneous bound check on perf counter name size
+ * Fix: relayd: missing session unlock on error path
+ * fix: warning '-Wstringop-truncation' with GCC 11.2
+ * Add Log4j 2.x agent tests for the 'log4j' domain
+ * Fix: relayd: session id is ignored by 2.11+ create session command
+ * Fix: consumerd: use-after-free of metadata bucket
+ * Fix: ust-consumerd: leak of stream control structure
+ * Fix: liblttng-ctl: erroneous flat size computation
+ * Build fix: relayd: mismatching function signatures
+ * Build fix: use of mutable keyword in C file
+ * Fix: relayd: connection abruptly closed on viewer stream creation failure
+ * Fix: relayd: live client fails on clear of multi-domain session
+ * Tests: fix: select_poll_epoll: test assumes epoll fd value
+ * Fix: rotation: hang on destroy when using scheduled rotation based on timer
+ * Fix: consumerd: fd still open after `lttng snapshot record` returns
+ * Fix: event: unchecked return value for lttng_strncpy
+ * Fix: event: format specifier for ssize_t
+ * Fix: sessiond: lttng_channel object is not reclaimed
+ * Fix: common: local_attr might leak
+ * Fix: session: end goto label used for error path
+ * Fix: ser/des: missing null terminator on payload append
+ * Fix: test: test plan/skip must come after TAP initialization
+ * Fix: test: missing test plan for non-x86/arm platforms (i.e powerpc)
+ * Fix: liblttng-ctl comm: lttng_event_field is not packed
+ * Fix: liblttng-ctl comm: lttng_event_context is not packed
+ * Fix: liblttng-ctl comm: lttng_event is not packed
+ * libcommon: move event.c to libcommon-lgpl
+ * Fix: liblttng-ctl comm: lttng_channel is not packed
+ * Fix: lttng-ctl: erroneous uses of LTTNG_PACKED
+ * Backport: lttng_buffer_view_is_valid, lttng_buffer_view_contains_string
+ * Fix: conversion from KB to bytes overflow on arm32
+ * Fix: Unexpected payload size in cmd_recv_stream_2_11
+ * Tests: add kernel test into the `make check` test suite.
+
+2022-01-26 lttng-tools 2.12.8 (National Peanut Brittle Day)
+ * Relicence all source and header files included in LGPL code
+ * Fix: sessiond: use of null session when session is not found
+ * Move utils_expand_path and utils_expand_path_keep_symlink to libpath.la
+ * Link lttng executable on libcommon-lgpl.a
+ * Introduce libcommon-lgpl for liblttng-ctl
+ * Rename libcommon.so to libcommon-gpl.so
+ * Copyright ownership transfer
+ * Copyright ownership transfer
+ * Fix: relayd: erroneous rundir permission logging message
+ * Fix: sessiond: rotation thread: fatal error when not finding a session
+ * Fix: relayd: rotation failure for multi-domain session
+ * Fix: lttng-ctl: lttng_list_sessions: initialize out_sessions to NULL when returning 0
+ * Fix: lttng: initialize variable in run_command_string
+ * Fix: consumer-stream: live viewers observe timestamps going backwards
+ * Fix: relayd: ressource leaks on viewer_stream_create error
+ * Fix: relayd: live: erroneous message timestamp observed from live viewer
+ * Fix: relayd: failure to open chunk files concurrently with session clear
+ * Fix: relayd: live: metadata stream reference count < 0 assert
+
+2021-12-17 lttng-tools 2.12.7 (National Ugly Christmas Sweater Day)
+ * Validate channel context mismatch across UST applications
+ * Fix: relayd: compare viewer chunks by ID rather than address
+ * Fix: relayd: live: erroneous message timestamp observed from live viewer
+ * Fix: relayd comm: improperly packed rotate streams command header
+ * test: snapshot after regenerate metadata
+ * Fix: ust-consumer: segfault on snapshot after regenerate metadata
+ * Tests: live kernel: no plan printed when non-root
+ * Fix: sessiond: snapshot: leak of trace chunk
+ * Fix: test: use BABELTRACE_BIN instead of babeltrace
+ * Fix: relayd: `!vsession->current_trace_chunk` assertion failed
+ * Fix: tests: fix unused-but-set warning in test_fd_tracker.c
+ * Fix: sessiond: fix possible buffer overflow warning
+ * Fix: lttng-ctl: tracing_group memory leaks
+ * Fix: Tests: unchecked `close()` return value
+ * Fix: relayd: live: mishandled initial null trace chunk
+ * Fix: configure.ac: reporting SDT uprobe as a UST feature
+ * Fix: Tests: leaking epoll fd
+
+2021-10-18 lttng-tools 2.12.6 (National Chocolate Cupcake Day)
+ * Fix: sessiond: previously created channel cannot be enabled
+ * Fix: ust: app stuck on recv message during UST comm timeout scenario
+ * Fix: ust: UST communication can return -EAGAIN
+ * Fix: ust: segfault on lttng start on filter bytecode copy
+ * Build fix: Missing message in LTTNG_DEPRECATED invocation
+ * include: remove spurious spaces in condition/session-rotation.h
+ * tests: fix header of regression/ust/getcpu-override/run-getcpu-override
+ * fix: wrong define used for GCC version check
+ * Fix: userspace-probe: unreported error on string copy error
+ * Fix: userspace-probe: truncating binary path for SDT
+ * Fix: statements with side-effects in assert statements
+ * Fix: lttng_trace_archive_location_serialize is called on freed memory
+ * Fix: sessiond: ust session is inactive during ust_app_global_update
+ * Fix: Tests: race condition in test_ns_contexts_change
+ * Fix: Tests: race condition in test_event_tracker
+ * Fix: man: lttng-rotate: trace file count/size limitation does not apply
+
+2021-08-06 lttng-tools 2.12.5 (International Beer Day)
+ * Fix: runas: less-than-zero comparison of an unsigned value
+ * Fix: runas: supplementary groups are ignored on lttng save
+ * Fix: lttng: free sessions in cmd_destroy
+ * Fix: lttng: free domains and channels in get_session_stats_str
+ * Fix: rotation client example: leak of handle on error
+ * .gitreview: Set default branch to 'stable-2.12'
+ * tests: Move tap-driver.sh out of the autotools aux directory
+ * Fix: use of uninitialised bytes valgrind warning
+ * Fix: bump minimal urcu dependency to 0.11
+ * Fix: consumer: unbalanced RCU read-side lock on error
+ * Fix: tests: missing LOG_DRIVER and LOG_DRIVER_FLAGS
+ * Fix: list_lttng_agent_events: unbalanced RCU read-side lock on error
+
+2021-05-18 lttng-tools 2.12.4 (No Dirty Dishes Day)
+ * Fix: snapshot path have domain subdir duplicate "ust/ust" or "kernel/kernel"
+ * Fix: relayd: failure to read index entry or stream packet after clear
+ * Fix: sessiond: leak of config_path on duplicate --config option
+ * Fix: relayd: live: data is missing between viewer attach and retry
+ * Fix: lttng-ctl: erroneous check if user is part of the tracing group
+ * Fix: kernel consumer: get next subbuffer EAGAIN handling
+ * Fix: kernel consumer: signal metadata ready condition variable
+ * Fix: consumerd: unbalanced subbuffer 'get' when checking operation availability
+ * Fix: tests: gen-ust-events-ns: Uninitialized argument value
+ * Fix: consumerd: strlen called on uninitialized path
+ * Fix: tests: health thread stall: only stop consumerd when required
+ * Fix: tests: quote variable in case it's not set
+ * Fix: sessiond: session destroy hang in per-uid when context cannot be added
+ * Fix: backward relayd: path contains a leading "ust" folder
+ * Fix: lttng_destroy_session_no_wait: return 0 on success
+ * config: fix typo in error message
+ * Tests: array expressions without contant index are invalid
+ * Fix: validate that array expression contains constant
+ * Fix: test: base-path tests are not run
+ * Fix: filter: memory leak in filter_parser_ctx
+ * Fix: sessiond: fix -Wshadow error in save.c
+ * Fix: utils: avoid strncpy overlap in utils_partial_realpath
+ * Clean-up: utils: make utils_partial_realpath static
+ * Fix: added missing test_channel and removed double defined test_syscall
+ * Fix: sessiond: kernel: invalid error code check
+ * Tests: fix: unchecked sscanf return value
+ * compiler warning cleanup: is_signed_type: compare -1 to 1
+
+2021-02-22 lttng-tools 2.12.3 (National Margarita Day)
+ * Fix: ust-consumer: metadata thread not woken-up after version change
+ * Clean-up: ust-consumer: simplify metadata cache unlock on error path
+ * Fix: sessiond: timer: unitiliazed sigevent fields
+ * Fix: sessiond: ust-registry: dereference of NULL pointer on allocation failure
+ * Fix: ust-consumer: metadata cache lock not taken when sampling max offset
+ * Fix: use MT-safe strtok_r in multithreaded context
+ * Fix: liblttng-ctl: unreported truncations when copying strings
+ * Fix: configure: support Autoconf 2.70
+ * Fix: sessiond: metadata not created on app unregistration during start
+ * Cleanup: use `modprobe --remove` rather than `rmmod`
+ * Tests: Fix: 99% fill ratio for high buffer usage is too high for larger events
+ * Fix: common: poll: compat_poll_wait never finishes
+ * Build fix: implicit declaration of function 'PERROR' on Solaris
+ * Fix: PERROR spam when `tracing` group does not exist
+ * Fix: memcpy used on potentially overlapping regions
+
+2020-08-03 lttng-tools 2.12.2 (National Watermelon Day)
+ * Tests: rework tracefile_count test to meet the tracefile count limit
+ * Fix: extraneous empty/inactive flush on rotation out of a trace chunk
+ * Fix: relayd: double unlock on viewer stream creation error
+ * Fix: relayd: live connection fails to open file during clear
+ * Fix: relayd: wrong stream type used in DBG statement
+ * Fix: lttng: leak of userspace probe path on listing
+ * Fix: uprobe: missing error code on allocation failure
+ * Fix: sessiond: don't negate error code on list error
+ * Fix: send/received actual size is overwritten by 'expected' size
+ * Fix: partial recv lead to client disconnect
+ * tests: return the proper TAP exit code
+ * Tests: live/test_{lttng_,}kernel: use lttng_test_filter_event instead of sched_switch
+ * Fix: consumer: Move sanity check within `consumer_subbuffer` functions
+ * Fix: sessiond: wrong variable checked for error code
+ * Fix: consumerd: double unlock on rotate channel error path
+ * Fix: consumerd: packet sent before channel rotation
+ * Fix: relayd: wrong specifier used in DBG format string
+ * Tests: add a "new metadata after clear" test
+ * Fix: relayd: send_viewer_streams sends stack data in padding
+ * Fix: stream intersection fails on snapshot of cleared session
+ * Fix: relayd: viewer metadata is not rotated after a session clear
+ * Fix: post-clear trace chunk has a late beginning packet
+ * Fix: kconsumer: missing wait for metadata thread in do_sync_metadata
+ * Fix: tests: interrupting get_next_notification causes test to fail
+ * Fix: consumer.c: wrong order of parameter in `DBG()` statement
+ * Fix: consumer: dangling chunk on buffer allocation failure
+ * Fix: consumerd: uninitialized written_bytes on no-data sleep
+ * Build fix: consumerd misnamed label
+ * consumerd: on_sleep not called on stream when no data is available
+ * Fix: invalid discarded events on start/stop without event production
+ * tests: truncate metadata file for regenerate metadata test
+ * Fix: consumerd: user space metadata not regenerated
+ * tests: gen-ust-events-ns/tp.h: Fix build with musl libc
+ * Fix: tests: output_dir contains the consumerd pipe
+ * Fix: unix: don't PERROR on EAGAIN for non-blocking sockets
+ * Fix: sessiond: sessiond and agent deadlock on destroy
+ * Fix: incorrect specifier %lu used with size_t argument
+ * Fix: consumerd: live client receives incomplete metadata
+ * consumerd: refactor: split read_subbuf into sub-operations
+ * consumerd: move rotation logic to domain-agnostic read path
+ * sessiond: enforce mmap output type for kernel metadata channel
+ * consumerd: tag metadata channel as being part of a live session
+ * consumerd: pass channel instance to stream creation function
+ * consumerd: cleanup: use buffer view interface for mmap read subbuf
+ * consumerd: move address computation from on_read_subbuffer_mmap
+ * consumerd: refactor: combine duplicated check_*_functions
+ * kerner-ctl: add RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
+ * Add lttng_dynamic_buffer_append_view util
+ * Fix: lttng: Destroying session message repeated during destruction
+ * Fix: liblttng-ctl: leak of tracker handle in lttng_[un]track_pid
+ * Fix: common: fs_handle_seek returns negative value on success
+ * Fix: common: abort on rotation after time manipulation
+ * Tests: test_exclusion: exclusion after tracing active
+ * Tests: `gen-ust-nevents`: add syncpoints
+ * Tests: accept built-in kernel modules
+
+2020-05-12 lttng-tools 2.12.1 (International Nurses' Day)
+ * API: missing includes in lttng.h
+ * API: missing clear and clear-handle includes in lttng.h
+ * API: sort lttng.h includes
+ * Fix: API: missing end brace for C++ linkage specification.
+ * Fix: tests: `-Wstringop-overflow` warning
+ * Fix: load: incomplete error handling for load_session_from_file
+
2020-04-07 lttng-tools 2.12.0 (National Beer Day)
* lttng-crash(1): document the command's positional argument
* lttng-sessiond(8): append missing argument to short options