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dc307af7f2ed653914aeadb0b7e613cb4e239b06
asterisk/main
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Frederic LE FOLL dc307af7f2 Core/PBX: Deadlock between dialplan execution and application unregistration. 
Not easy to reproduce, but we have noticed deadlocks when unloading a module
while dialplan is handling a request.

The deadlock is between :
1) Dialplan execution: pbx_extension_helper() first taking conlock,
then pbx_findapp() [when called] asking for lock on apps list.
2) Application unregistration: ast_unregister_application() first taking lock
on apps list, then unreference_cached_app() [when called] asking for conlock.

As a protection, I suggest to modify ast_unregister_application(), so that it
anticipates the need of conlock, before taking the lock on apps list.
The side effect is a longer unavailability of conlock when unregistering an
application.

ASTERISK-27041

Change-Id: I0db0f1eb320da6a5758cce3a47d765be1face8e2
2017-06-14 18:29:40 +02:00
..
editline
BuildSystem: Avoid 'ar cru' and use 'ar cr' instead.
2016-06-07 02:34:44 -05:00
stdtime
BuildSystem: Fix a few issues hightlighted by gcc 6.x
2016-06-28 13:56:38 -05:00
.gitignore
build-system: Allow building with static pjproject
2016-03-01 09:33:17 -07:00
abstract_jb.c
abstract/fixed/adpative jitter buffer: disallow frame re-inserts
2017-01-17 17:08:36 -06:00
acl.c
acl.c: Improve ast_ouraddrfor() diagnostic messages.
2016-12-22 12:16:20 -06:00
adsi.c
Allow Asterisk to compile under GCC 4.10
2014-05-09 22:49:26 +00:00
alaw.c
…
alertpipe.c
core: Use eventfd for alert pipes on Linux when possible
2017-04-24 12:46:27 -04:00
aoc.c
Merge "Audit ast_json_pack() calls for needed UTF-8 checks." into 13
2016-10-14 17:17:12 -05:00
app.c
main/app.c: Memory corruption from early format destruction.
2017-01-24 14:04:08 -06:00
ast_expr2.c
ast_expr2: Fix off-nominal memory leak.
2016-07-11 13:51:17 -05:00
ast_expr2.fl
…
ast_expr2.h
…
ast_expr2.y
ast_expr2: Fix off-nominal memory leak.
2016-07-11 13:51:17 -05:00
ast_expr2f.c
…
asterisk.c
modules: change module LOAD_FAILUREs to LOAD_DECLINES
2017-04-12 16:46:22 -05:00
asterisk.dynamics
Fix error loading res_monitor.
2014-04-23 15:02:39 +00:00
asterisk.exports.in
pjproject_bundled: Various fixes discovered during testing of OSes
2016-05-03 06:54:29 -06:00
astfd.c
astfd: Not maximum size of a single file but maximum file descriptors.
2016-06-08 13:00:23 +02:00
astmm.c
cli: Fix various CLI documentation and completion issues
2017-02-13 10:57:16 -05:00
astobj2_container_private.h
astobj2: Additional refactoring to push impl specific code down into the impls.
2014-06-20 15:27:43 +00:00
astobj2_container.c
astobj2: Add backtrace to log_bad_ao2.
2016-10-07 18:32:16 -04:00
astobj2_hash.c
astobj2: Add backtrace to log_bad_ao2.
2016-10-07 18:32:16 -04:00
astobj2_private.h
astobj2: Additional refactoring to push impl specific code down into the impls.
2014-06-20 15:27:43 +00:00
astobj2_rbtree.c
astobj2: Add backtrace to log_bad_ao2.
2016-10-07 18:32:16 -04:00
astobj2.c
astobj2: Prevent potential deadlocks with ao2_global_obj_release
2017-03-30 13:49:49 -04:00
audiohook.c
frame: Better handle interpolated frames.
2017-04-26 10:46:52 +00:00
autochan.c
autochan/mixmonitor/chanspy: Fix unsafe channel locking and references.
2017-03-15 17:43:54 -05:00
autoservice.c
asterisk: Audit locking of channel when manipulating flags.
2017-05-16 14:25:01 +00:00
backtrace.c
Fix memory corruption when trying to get "core show locks".
2013-08-23 18:07:40 +00:00
bridge_after.c
asterisk: Audit locking of channel when manipulating flags.
2017-05-16 14:25:01 +00:00
bridge_basic.c
ast_framehook_attach() must be called with the channel locked.
2016-08-25 17:13:52 -05:00
bridge_channel.c
asterisk: Audit locking of channel when manipulating flags.
2017-05-16 14:25:01 +00:00
bridge_roles.c
ARI: bridges/{bridgeID}/addChannel: add roles parameter
2013-08-05 16:59:13 +00:00
bridge.c
cli: Fix various CLI documentation and completion issues
2017-02-13 10:57:16 -05:00
bucket.c
A couple minor cleanup tweaks.
2015-03-25 18:37:04 +00:00
buildinfo.c
…
callerid.c
SIP diversion: Fix REDIRECTING(reason) value inconsistencies.
2016-03-01 20:13:39 -06:00
ccss.c
cli: Fix various CLI documentation and completion issues
2017-02-13 10:57:16 -05:00
cdr.c
CDR: Protect from data overflow in ast_cdr_setuserfield.
2017-04-04 10:12:27 +00:00
cel.c
Audit ast_json_pack() calls for needed UTF-8 checks.
2016-10-13 18:11:37 -05:00
channel_internal_api.c
core: Use eventfd for alert pipes on Linux when possible
2017-04-24 12:46:27 -04:00
channel.c
channel: ast_write frame wrongly freed after call to audiohooks
2017-06-05 10:45:25 -05:00
chanvars.c
Fix checks for allocation debugging.
2016-08-24 11:02:47 -05:00
cli.c
cli: Fix various CLI documentation and completion issues
2017-02-13 10:57:16 -05:00
codec_builtin.c
format: Reintroduce smoother flags
2017-05-30 15:08:05 -05:00
codec.c
codecs: Fix ABI incompatibility created by adding format_name to ast_codec
2016-06-28 13:38:28 -06:00
config_options.c
app_confbridge: Fix reference to cfg in menu_template_handler
2017-05-04 19:09:33 -06:00
config.c
Fix checks for allocation debugging.
2016-08-24 11:02:47 -05:00
core_local.c
bridge.c: Crash during attended transfer when missing a local channel half
2016-03-03 13:55:24 -06:00
core_unreal.c
Bridge system: Fix memory leaks and double frees on impart failure.
2016-04-22 16:44:04 -05:00
crypt.c
Fix utils directory breakage.
2013-07-04 13:06:15 +00:00
cygload.c
…
data.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
datastore.c
…
db.c
AMI: Make AMI actions that generate event lists consistent.
2015-01-09 17:54:49 +00:00
devicestate.c
devicestate: Cleanup engine thread during graceful shutdown.
2016-01-10 18:10:37 -05:00
dial.c
core/dial: New channel variable FORWARDERNAME
2016-05-31 18:07:40 -04:00
dns.c
Clean up files that do not end with newlines
2014-08-21 14:52:06 +00:00
dnsmgr.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
dsp.c
dsp.c: Add fax and DTMF detection unit tests.
2016-07-26 17:51:06 -05:00
ecdisa.h
…
endpoints.c
stasis_cache_pattern: Backport to 13
2016-01-05 12:29:31 -06:00
enum.c
clang compiler warnings: Fix autological comparisons
2015-04-09 12:56:30 +00:00
event.c
Clang: change previous tautological-compare fixes.
2015-04-23 18:26:55 +02:00
features_config.c
Fix issue with CLI not returning to prompt after running "features show"
2016-10-19 17:55:39 -05:00
features.c
bridge: Fix returning to dialplan when executing Bridge() from AMI.
2017-05-04 21:39:22 +00:00
file.c
asterisk: Audit locking of channel when manipulating flags.
2017-05-16 14:25:01 +00:00
fixedjitterbuf.c
abstract/fixed/adpative jitter buffer: disallow frame re-inserts
2017-01-17 17:08:36 -06:00
fixedjitterbuf.h
abstract/fixed/adpative jitter buffer: disallow frame re-inserts
2017-01-17 17:08:36 -06:00
format_cache.c
Update support for SILK format.
2016-07-14 15:54:21 -05:00
format_cap.c
typo: s/paranthesis/parenthesis/ in a comment
2016-10-24 17:48:17 -05:00
format_compatibility.c
T.140: Fix format ref and memory leaks.
2017-01-25 13:44:26 -06:00
format.c
format: Reintroduce smoother flags
2017-05-30 15:08:05 -05:00
frame.c
frame.c: Fix off-nominal format ref leaks.
2017-01-24 14:01:47 -06:00
framehook.c
clang compiler warnings: Fix format specified in framehook
2015-04-06 17:52:13 +00:00
fskmodem_float.c
…
fskmodem_int.c
…
fskmodem.c
…
global_datastores.c
Detect potential forwarding loops based on count.
2015-04-17 15:57:10 -05:00
hashtab.c
Fix checks for allocation debugging.
2016-08-24 11:02:47 -05:00
heap.c
Fix checks for allocation debugging.
2016-08-24 11:02:47 -05:00
http.c
cleanup: Fix fread() and fwrite() error handling
2017-04-25 16:24:37 -05:00
image.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
indications.c
clang compiler warnings: Fix autological comparisons
2015-04-09 12:56:30 +00:00
io.c
sd_notify (systemd status notifications) support
2016-09-20 08:00:14 -06:00
jitterbuf.c
abstract/fixed/adpative jitter buffer: disallow frame re-inserts
2017-01-17 17:08:36 -06:00
json.c
json: Check party id name, number, subaddresses for UTF-8.
2016-10-13 18:11:36 -05:00
libasteriskpj.c
PJPROJECT logging: Fix detection of max supported log level.
2017-01-24 11:23:05 -06:00
libasteriskssl.c
libasteriskssl: do nothing with OpenSSL >= 1.1
2017-02-14 23:30:03 +02:00
libasteriskssl.exports.in
…
loader.c
modules: change module LOAD_FAILUREs to LOAD_DECLINES
2017-04-12 16:46:22 -05:00
lock.c
chan_sip: Address runaway when realtime peers subscribe to mailboxes
2016-09-23 07:53:10 -05:00
logger.c
logger: Added logger_queue_limit to the configuration options.
2017-05-08 15:27:04 -06:00
Makefile
build: Fix deb build issues with fakeroot
2017-03-30 16:09:40 -06:00
manager_bridges.c
res/ari/resource_bridges: Add the ability to manipulate the video source
2016-11-14 17:02:00 -05:00
manager_channels.c
manager: Add documentation for NewConnectedLine event.
2016-10-31 13:53:34 -05:00
manager_endpoints.c
res_pjsip: Add AMI events for chan_pjsip contact lifecycle changes
2015-05-26 15:32:45 -06:00
manager_mwi.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
manager_system.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
manager.c
manager: Clear the flag on the other channel.
2017-05-26 16:41:59 +00:00
max_forwards.c
Detect potential forwarding loops based on count.
2015-04-17 15:57:10 -05:00
md5.c
…
media_index.c
media formats: re-architect handling of media for performance improvements
2014-07-20 22:06:33 +00:00
message.c
res_pjsip_messaging: Check URI type before dereferencing
2017-03-21 10:44:30 -04:00
mixmonitor.c
Removed quotes from svn:keywords props on a few files.
2013-07-29 17:51:25 +00:00
named_acl.c
acl: Fix reloading of configuration if configuration file does not exist at startup.
2014-12-20 20:57:19 +00:00
named_locks.c
res_pjsip: Make aor named lock a mutex.
2016-08-11 11:57:51 -05:00
netsock2.c
netsock2.c: Made get/set addr port avoid potential uninitialized memory.
2017-05-05 18:53:05 -05:00
netsock.c
netsock.c: fix includes for HURD
2016-11-01 12:37:58 -05:00
optional_api.c
Logger/CLI/etc.: Fix some aesthetic issues; reduce chatty verbose messages
2014-05-28 22:54:12 +00:00
parking.c
res_pjsip_refer: Fix bugs involving Parking/PJSIP/transfers
2014-05-22 15:52:30 +00:00
pbx_app.c
Core/PBX: Deadlock between dialplan execution and application unregistration.
2017-06-14 18:29:40 +02:00
pbx_builtins.c
pbx_builtin: Properly handle hangup during Background
2017-05-31 13:22:12 -04:00
pbx_functions.c
pbx.c: Allow dangerous functions when adding a hint to dialplan.
2016-07-28 15:10:18 -05:00
pbx_hangup_handler.c
cli: Fix various CLI documentation and completion issues
2017-02-13 10:57:16 -05:00
pbx_private.h
main/pbx: Move dialplan application management routines to pbx_app.c.
2016-01-05 12:09:38 -05:00
pbx_switch.c
main/pbx: Move switch routines to pbx_switch.c.
2016-01-05 12:07:43 -05:00
pbx_timing.c
main/pbx: Move timing routines to pbx_timing.c.
2016-01-05 12:06:23 -05:00
pbx_variables.c
main/pbx: Move variable routines to pbx_variables.c.
2016-01-04 17:26:40 -05:00
pbx.c
asterisk: Audit locking of channel when manipulating flags.
2017-05-16 14:25:01 +00:00
pickup.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
plc.c
…
poll.c
…
presencestate.c
core: Ensure presencestate subtype and message are NULL.
2016-09-21 20:03:37 +00:00
privacy.c
…
rtp_engine.c
rtp_engine.c: Fix deadlock potential copying RTP payload maps.
2017-04-29 18:12:49 -05:00
say.c
Saynumber is trying to get "and" from "digits/" subfolder
2017-03-06 21:54:23 +00:00
sched.c
sched.c: Ensure oldest expiring entry runs first.
2016-03-15 12:01:50 -05:00
sdp_srtp.c
srtp: Allow zero as tag value for a sRTP Crypto Suite.
2017-03-29 15:27:01 +02:00
security_events.c
Clang: change previous tautological-compare fixes.
2015-04-23 18:26:55 +02:00
sem.c
Various fixes for OS X
2015-01-26 14:49:32 +00:00
sha1.c
…
sip_api.c
…
slinfactory.c
media formats: re-architect handling of media for performance improvements
2014-07-20 22:06:33 +00:00
smoother.c
media formats: re-architect handling of media for performance improvements
2014-07-20 22:06:33 +00:00
sorcery.c
sorcery.c: Speed up ast_sorcery_retrieve_by_id()
2017-04-11 13:03:57 -05:00
sounds_index.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
srv.c
srv: Fix crash when ast_srv_lookup is used and 0 records are returned.
2017-02-07 18:12:17 +00:00
stasis_bridges.c
res/ari/resource_bridges: Add the ability to manipulate the video source
2016-11-14 17:02:00 -05:00
stasis_cache_pattern.c
stasis_cache_pattern: Backport to 13
2016-01-05 12:29:31 -06:00
stasis_cache.c
main/stasis_cache: Demote the ERROR message when removing a nonexistent item
2017-03-14 09:37:34 -05:00
stasis_channels.c
json: Audit ast_json_* usage for thread safety.
2015-12-16 17:17:30 -04:00
stasis_endpoints.c
stasis_endpoint.c: Fix contactstatus_to_json().
2016-07-13 14:37:10 -05:00
stasis_message_router.c
stasis: Add setting subscription congestion levels.
2016-06-07 18:57:36 -05:00
stasis_message.c
Manager: Short circuit AMI message processing.
2016-04-22 16:44:05 -05:00
stasis_system.c
res/res_corosync: Raise a Stasis message on node join/leave events
2016-07-06 07:22:46 -05:00
stasis.c
manager: Add <see-also> tags to relate UserEvent actions/apps/events
2016-08-13 20:26:50 -05:00
strcompat.c
…
stringfields.c
stringfields: Refactor to allow fields to be added to the end of structures
2016-04-04 18:07:18 -06:00
strings.c
ari: Implement 'debug all' and request/response logging
2017-01-24 10:48:41 -07:00
stun.c
stun.c: Fix ast_stun_request() erratic timeout.
2017-04-11 13:03:57 -05:00
syslog.c
main/syslog: Allow dynamic logs, such as security events, to log to the syslog
2015-01-12 18:01:24 +00:00
taskprocessor.c
taskprocessor.c: Change when high water warning logged.
2017-01-13 21:30:53 -06:00
tcptls.c
tcptls: Improve error messages for TLS connections.
2017-05-09 16:02:25 +00:00
tdd.c
…
term.c
main: Slight refactor of main. Improve color situation.
2015-11-25 20:29:42 +01:00
test.c
unittests: Add a unit test that causes a SEGV and...
2017-05-24 14:56:14 -06:00
threadpool.c
threadpool: Fix leak in ast_threadpool_serializer_group error path.
2016-07-13 12:30:58 -04:00
threadstorage.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
timing.c
Replace most uses of ast_register_atexit with ast_register_cleanup.
2015-03-26 22:19:21 +00:00
translate.c
frame: Better handle interpolated frames.
2017-04-26 10:46:52 +00:00
udptl.c
udptl: Don't eat sequence numbers until OK is received
2016-05-18 14:05:47 -05:00
ulaw.c
…
uri.c
uri: Quiet warning about type qualifiers ignored on function return type
2014-08-21 14:39:27 +00:00
utils.c
core: Use eventfd for alert pipes on Linux when possible
2017-04-24 12:46:27 -04:00
uuid.c
Fix printf problems with high ascii characters after r413586 (1.8).
2014-12-17 09:54:00 +00:00
xml.c
Detect and use xsltCleanupGlobals when available
2013-10-03 18:00:15 +00:00
xmldoc.c
xmldoc: Improve xmldoc wrapping of 'core show ...' output.
2015-11-06 14:45:19 +01:00