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George Joseph d3d9e30fab pbx_functions: Save module pointer before calling read and write callbacks. 
Before ast_func_read and ast_func_write call their respective read and write
callbacks for registered dialplan functions, they use the module pointer in
the registered ast_custom_function structure to increment the module use
count.  They then decrement the usecount when the callback returns.  This
prevents the providing module from being unloaded while there's a call using
the function.

Some modules, notably func_odbc, create and destroy dialplan functions based
on the contents of a config file.  Since the ast_custom_function structure is
dynamically allocated, it could be destroyed on reload which means when the
module's read or write callback returns to the ast_func calls it would try to
decrement the usecount using the module pointer from an ast_custom_function
structure that has already been freed.  Proper locking or reference counting
by the module can reduce the possibility of this happening but it can't
prevent it because it doesn't have control after its read or write callback
has returned to ast_func_read or ast_func_write.

To address this, ast_func_read, ast_func_read2 and ast_func_write save the
module pointer to a local variable before calling the module's callback,
then use the saved pointer to decrement the use count.  The module
pointer will always be valid if the module is loaded regardless of the
state of the ast_custom_function structure.

Resolves: #1818
2026-04-22 17:50:23 +00:00
..
stdtime
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
.gitignore
…
abstract_jb.c
abstract_jb.c: Remove redundant timer check per static analysis.
2025-12-03 13:58:26 +00:00
acl.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
adsi.c
…
alaw.c
…
alertpipe.c
…
aoc.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
app.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
ast_expr2.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
ast_expr2.fl
general: Fix broken links.
2023-12-08 13:11:48 +00:00
ast_expr2.h
ael: Regenerate lexers and parsers.
2023-04-03 07:13:57 -05:00
ast_expr2.y
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
ast_expr2f.c
general: Fix broken links.
2023-12-08 13:11:48 +00:00
asterisk.c
asterisk.c: Use C.UTF-8 locale instead of relying on user's environment.
2026-01-26 19:42:17 +00:00
asterisk.dynamics
…
asterisk.exports.in
Scope Tracing: A new facility for tracing scope enter/exit
2020-06-02 11:35:07 -05:00
astfd.c
astfd.c: Avoid calling fclose with NULL argument.
2024-09-25 18:27:15 +00:00
astmm.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
astobj2_container_private.h
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
astobj2_container.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
astobj2_global.c
core: Fix ABI mismatch of ao2_global_obj.
2019-09-23 07:35:48 -04:00
astobj2_hash.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
astobj2_private.h
…
astobj2_rbtree.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
astobj2.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
audiohook.c
audiohook.c: Ensure correct AO2 reference is dereffed.
2025-09-11 14:47:32 +00:00
autochan.c
…
autoservice.c
autoservice: Do not sleep if autoservice_stop is called within autoservice thread
2024-09-09 23:17:15 +00:00
backtrace.c
build: Fix another GCC discarded-qualifiers const error.
2026-02-18 19:30:12 +00:00
bridge_after.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
bridge_basic.c
main: Explicitly mark case statement fallthrough as such.
2025-11-12 22:10:44 +00:00
bridge_channel.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
bridge_roles.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
bridge.c
bridge.c: Obey BRIDGE_NOANSWER variable to skip answering channel.
2025-08-15 15:59:23 +00:00
bucket.c
docs: Various XML fixes
2025-01-16 15:32:48 +00:00
buildinfo.c
…
callerid.c
callerid: fix signed char causing crash in MDMF parser
2026-03-31 16:54:57 +00:00
ccss.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
cdr.c
cdr: add CANCEL dispostion in CDR
2025-08-06 15:37:46 +00:00
cel.c
CDR/CEL Custom Performance Improvements
2026-03-02 16:43:24 +00:00
channel_internal_api.c
chan_pjsip: Set correct cause codes for non-2XX responses.
2026-03-17 16:15:36 +00:00
channel_private.h
chan_pjsip: Add technology-specific off-nominal hangup cause to events.
2025-10-20 13:22:48 +00:00
channel.c
rtp: Set RTPAUDIOQOS variables when ast_softhangup is called.
2026-03-10 13:48:52 +00:00
channelstorage_ao2_legacy.c
channelstorage: Allow storage driver read locking to be skipped.
2025-11-12 21:27:16 +00:00
channelstorage_cpp_map_name_id.cc
channelstorage_cpp_map_name_id: Fix get_by_name_prefix prefix match
2026-01-23 15:25:39 +00:00
channelstorage_makeopts.xml
channelstorage_makeopts.xml: Remove errant XML character.
2025-07-01 14:02:33 +00:00
channelstorage.c
channelstorage_cpp_map_name_id: Fix get_by_name_prefix prefix match
2026-01-23 15:25:39 +00:00
channelstorage.h
channelstorage: Allow storage driver read locking to be skipped.
2025-11-12 21:27:16 +00:00
chanvars.c
…
cli.c
cli.c: Allow 'channel request hangup' to accept patterns.
2026-01-13 16:03:24 +00:00
codec_builtin.c
codec_builtin: Use multiples of 20 for maximum_ms
2023-09-22 16:10:05 +00:00
codec.c
Reduce startup/shutdown verbose logging
2024-02-12 18:46:27 +00:00
config_options.c
config_options.c: Improve misleading warning.
2025-10-02 14:43:01 +00:00
config.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
conversions.c
conversions.c: Specify that we only want to parse decimal numbers.
2022-03-23 17:13:03 -05:00
core_local.c
ccss: Add option to ccss.conf to globally disable it.
2025-12-01 14:05:53 +00:00
core_unreal.c
ccss: Add option to ccss.conf to globally disable it.
2025-12-01 14:05:53 +00:00
crypt.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
cygload.c
…
data_buffer.c
res_rtp_asterisk: Free payload when error on insertion to data buffer
2020-04-15 13:56:40 -05:00
datastore.c
Geolocation: Base Asterisk Prereqs
2022-07-07 08:19:14 -05:00
db.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
devicestate.c
devicestate: Don't publish redundant device state messages.
2025-10-22 15:47:14 +00:00
dial.c
main/dial.c: Set channel hangup cause on timeout in handle_timeout_trip
2025-12-29 19:37:31 +00:00
dns_core.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
dns_naptr.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
dns_query_set.c
…
dns_recurring.c
progdocs: Fix for Doxygen, the hidden parts.
2021-12-02 10:37:38 -06:00
dns_srv.c
Compiler fixes for gcc 10
2020-06-10 09:33:28 -05:00
dns_system_resolver.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
dns_test.c
progdocs: Fix for Doxygen, the hidden parts.
2021-12-02 10:37:38 -06:00
dns_tlsa.c
…
dns_txt.c
core/dns: Add system include required on FreeBSD
2020-04-28 13:05:55 -05:00
dns.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
dnsmgr.c
dnsmgr.c: dnsmgr_refresh() incorrectly flags change with DNS round-robin
2024-10-10 15:34:25 +00:00
dsp.c
dsp.c: Add support for detecting R2 signaling tones.
2026-03-03 22:07:20 +00:00
ecdisa.h
…
editline_compat.c
asterisk.c: Allow multi-byte characters on the Asterisk CLI.
2026-01-05 14:46:21 +00:00
editline_compat.h
asterisk.c: Allow multi-byte characters on the Asterisk CLI.
2026-01-05 14:46:21 +00:00
endpoints.c
endpoints: Allow access to latest snapshot directly.
2026-02-17 13:31:24 +00:00
enum.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
event.c
channel: Add multi-tenant identifier.
2024-08-12 15:21:31 +00:00
features_config.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
features_config.h
…
features.c
Fix some doxygen, typos and whitespace
2025-09-22 17:39:09 +00:00
file.c
main/file: fix translated-frame write loop to use current frame
2026-03-03 21:51:46 +00:00
fixedjitterbuf.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
fixedjitterbuf.h
…
format_cache.c
Reduce startup/shutdown verbose logging
2024-02-12 18:46:27 +00:00
format_cap.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
format_compatibility.c
codecs: Remove test-law.
2021-01-04 05:00:58 -06:00
format.c
Reduce startup/shutdown verbose logging
2024-02-12 18:46:27 +00:00
frame.c
frame.c: validate frame data length is less than samples when adjusting volume
2025-05-20 13:54:02 +00:00
framehook.c
…
fskmodem_float.c
build: Fix unused-but-set-variable warnings with gcc 16.
2026-02-25 13:25:14 +00:00
fskmodem_int.c
main: Spelling fixes
2021-11-15 17:33:27 -06:00
fskmodem.c
…
global_datastores.c
…
hashtab.c
…
heap.c
…
http.c
acl: Add ACL support to http and ari
2026-03-05 12:52:37 +00:00
image.c
Reduce startup/shutdown verbose logging
2024-02-12 18:46:27 +00:00
indications.c
Reduce startup/shutdown verbose logging
2024-02-12 18:46:27 +00:00
io.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
iostream.c
iostream.c: Handle TLS handshake attacks in order to resolve the issue of exceeding the maximum number of HTTPS sessions.
2025-10-28 12:44:26 +00:00
jitterbuf.c
…
json.c
ARI: REST over Websocket
2025-04-02 12:16:35 +00:00
libasteriskpj.c
…
libasteriskssl.c
…
libasteriskssl.exports.in
…
loader.c
options: Change ast_options from ast_flags to ast_flags64.
2025-07-30 15:59:21 +00:00
lock.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
logger_category.c
Logging: Add debug logging categories
2020-10-02 12:58:18 -05:00
logger_doc.xml
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
logger.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
Makefile
build: remove pjsua, pjsystest, Python bindings and asterisk_malloc_debug stubs from pjproject dev build
2026-04-07 17:18:36 +00:00
manager_bridges.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
manager_channels.c
chan_pjsip: Add technology-specific off-nominal hangup cause to events.
2025-10-20 13:22:48 +00:00
manager_doc.xml
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
manager_endpoints.c
…
manager_mwi.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
manager_system.c
…
manager.c
manager.c : Fix CLI event display
2026-03-17 18:17:28 +00:00
max_forwards.c
…
md5.c
Prequisites for ARI Outbound Websockets
2025-04-21 13:29:27 +00:00
media_cache.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
media_index.c
…
message.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
mixmonitor.c
…
mwi.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
named_acl.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
named_locks.c
…
netsock2.c
…
optional_api.c
progdocs: Fix for Doxygen, the hidden parts.
2021-12-02 10:37:38 -06:00
options.c
options: Change ast_options from ast_flags to ast_flags64.
2025-07-30 15:59:21 +00:00
parking.c
…
pbx_app.c
docs: Add "Provided-by" to doc XML and CLI output.
2026-03-03 18:55:45 +00:00
pbx_builtins.c
pbx_builtins: Allow custom tone for WaitExten.
2025-09-04 15:03:40 +00:00
pbx_functions.c
pbx_functions: Save module pointer before calling read and write callbacks.
2026-04-22 17:50:23 +00:00
pbx_hangup_handler.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
pbx_ignorepat.c
…
pbx_include.c
aelparse: Accept an included context with timings.
2021-08-06 09:04:28 -05:00
pbx_private.h
…
pbx_sw.c
…
pbx_switch.c
…
pbx_timing.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
pbx_variables.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
pbx.c
pbx: Hold channel lock for exception datastore access
2026-03-23 18:59:54 +00:00
pickup.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
plc.c
options: Change ast_options from ast_flags to ast_flags64.
2025-07-30 15:59:21 +00:00
poll.c
…
presencestate.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
privacy.c
…
refer.c
ari/pjsip: Make it possible to control transfers through ARI
2025-02-11 22:05:40 +00:00
rtp_engine.c
rtp: Set RTPAUDIOQOS variables when ast_softhangup is called.
2026-03-10 13:48:52 +00:00
say.c
build: Fix unused-but-set-variable warnings with gcc 16.
2026-02-25 13:25:14 +00:00
sched.c
sched: fix and test a double deref on delete of an executing call back
2022-01-21 10:06:57 -06:00
sdp_srtp.c
…
security_events.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
sem.c
…
serializer_shutdown_group.c
taskpool: Add taskpool API, switch Stasis to using it.
2025-09-16 17:21:23 +00:00
serializer.c
taskpool: Add taskpool API, switch Stasis to using it.
2025-09-16 17:21:23 +00:00
sha1.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
sip_api.c
…
slinfactory.c
…
smoother.c
main: Spelling fixes
2021-11-15 17:33:27 -06:00
sorcery.c
sorcery: Move from threadpool to taskpool.
2025-09-30 13:50:30 +00:00
sounds.c
…
srv.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
stasis_bridges.c
docs: AMI documentation fixes.
2025-03-07 16:53:11 +00:00
stasis_cache_pattern.c
…
stasis_cache.c
stasis: Fix for Doxygen.
2021-11-18 14:46:42 -06:00
stasis_channels.c
chan_pjsip: Add technology-specific off-nominal hangup cause to events.
2025-10-20 13:22:48 +00:00
stasis_endpoints.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
stasis_message_router.c
taskpool: Fix some references to threadpool that should be taskpool.
2025-10-13 15:34:12 +00:00
stasis_message.c
build: Fix a few gcc 13 issues
2023-06-09 18:19:49 +00:00
stasis_state.c
GCC12: Fixes for 18+. state_id_by_topic comparing wrong value
2022-05-09 08:20:46 -05:00
stasis_system.c
docs: Indent <since> tags.
2025-01-29 14:17:54 +00:00
stasis.c
stasis.c: Fix deadlock in stasis_topic_pool_get_topic during module load
2026-01-26 20:33:21 +00:00
strcompat.c
fix: Add macOS (Darwin) compatibility for building Asterisk
2026-02-26 15:51:02 +00:00
stream.c
core_unreal.c: Fix memory leak in ast_unreal_new_channels()
2024-10-17 15:20:36 +00:00
stringfields.c
…
strings.c
ARI Outbound Websockets
2025-06-02 16:35:27 +00:00
stun.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
syslog.c
…
taskpool.c
pjsip: Move from threadpool to taskpool
2025-12-16 17:03:43 +00:00
taskprocessor.c
build: Fix GCC discarded-qualifiers const errors.
2026-02-18 13:43:30 +00:00
tcptls.c
Prequisites for ARI Outbound Websockets
2025-04-21 13:29:27 +00:00
tdd.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
term.c
term.c: Add support for extended number format terminfo files.
2021-09-08 19:10:54 -05:00
test.c
Add ability to pass arguments to unit tests from the CLI
2025-01-02 14:52:12 +00:00
threadpool.c
taskprocessors: Improve logging and add new cli options
2025-12-04 16:13:02 +00:00
threadstorage.c
…
time.c
time: add support for time64 libcs
2022-03-24 12:00:58 -05:00
timing.c
…
translate.c
translate.c: implement new direct comp table mode
2024-02-28 13:03:19 +00:00
udptl.c
docs: Fix various typos in main/
2025-02-20 21:46:27 +00:00
ulaw.c
…
uri.c
uri.c: Simplify ast_uri_make_host_with_port()
2023-11-14 20:51:34 +00:00
utf8.c
res_pjsip: Replace invalid UTF-8 sequences in callerid name
2023-03-01 09:49:39 -06:00
utils.c
build: Fix unused-but-set-variable warnings with gcc 16.
2026-02-25 13:25:14 +00:00
uuid.c
main: Fix for Doxygen.
2021-12-02 15:02:09 -06:00
xml.c
fix: Add macOS (Darwin) compatibility for building Asterisk
2026-02-26 15:51:02 +00:00
xmldoc.c
xmldoc.c: Fix memory leaks in handling of provided_by.
2026-03-19 16:41:21 +00:00