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Kevin Harwell 56a2baa21d bridge.c: NULL app causes crash during attended transfer 
Due to a race condition there was a chance that during an attended transfer the
channel's application would return NULL. This, of course, would cause a crash
when attempting to access the memory. This patch retrieves the channel's app
at an earlier time in processing in hopes that the app name is available.
However, if it is not then "unknown" is used instead. Since some string value
is now always present the crash can no longer occur.

ASTERISK-24869 #close
Reported by: viniciusfontes
Review: https://gerrit.asterisk.org/#/c/133/

Change-Id: I5134b84c4524906d8148817719d76ffb306488ac
2015-04-16 16:53:44 -05:00
..
editline main/editline: Add .gitignore. 2015-04-12 07:12:45 -04:00
stdtime git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
.gitignore Add .gitignore and .gitreview files 2015-04-11 19:43:43 -06:00
abstract_jb.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
acl.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
adsi.c Allow Asterisk to compile under GCC 4.10 2014-05-09 22:49:26 +00:00
alaw.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
aoc.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
app.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
ast_expr2.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
ast_expr2.fl Avoid cppcheck warnings; removing unused vars and a bit of cleanup. 2012-04-17 18:57:40 +00:00
ast_expr2.h Allow the REALTIME() function to report errors back to the caller. 2012-07-11 17:16:50 +00:00
ast_expr2.y core: Don't allow free to mean ast_free (and malloc, etc..). 2014-09-26 14:41:38 +00:00
ast_expr2f.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
asterisk.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
asterisk.dynamics Fix error loading res_monitor. 2014-04-23 15:02:39 +00:00
asterisk.exports.in Add _IO_stdin_used in version-script to fix SIGBUSes on Sparc. 2013-08-22 08:26:55 +00:00
astfd.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
astmm.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
astobj2.c astobj2: Add support for weakproxy objects. 2015-04-13 21:19:20 -04:00
astobj2_container.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
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_hash.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -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 git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
audiohook.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
autochan.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
autoservice.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
backtrace.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
bridge.c bridge.c: NULL app causes crash during attended transfer 2015-04-16 16:53:44 -05:00
bridge_after.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
bridge_basic.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
bridge_channel.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
bridge_roles.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
bucket.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
buildinfo.c fix a few small things found by using sparse 2008-10-30 16:49:02 +00:00
callerid.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
ccss.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
cdr.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
cel.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
channel.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
channel_internal_api.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
chanvars.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
cli.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
codec.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
codec_builtin.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
config.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
config_options.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
core_local.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
core_unreal.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
crypt.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
cygload.c Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
data.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
datastore.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
db.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
devicestate.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dial.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dns.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dns_core.c res_pjsip: Add external PJSIP resolver implementation using core DNS API. 2015-04-15 10:47:53 -03:00
dns_naptr.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dns_query_set.c res_pjsip: Add external PJSIP resolver implementation using core DNS API. 2015-04-15 10:47:53 -03:00
dns_recurring.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dns_srv.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dns_test.c dns: Fix build when TEST_FRAMEWORK is not defined. 2015-04-10 13:32:24 +00:00
dns_tlsa.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dnsmgr.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
dsp.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
ecdisa.h Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
endpoints.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
enum.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
event.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
features.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
features_config.c Allow for transferer to retry when dialing an invalid extension. 2014-11-17 16:58:52 +00:00
file.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
fixedjitterbuf.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
fixedjitterbuf.h Kill off red blobs in most of main/* 2012-03-22 19:51:16 +00:00
format.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
format_cache.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
format_cap.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
format_compatibility.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
frame.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
framehook.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
fskmodem.c Multiple revisions 369001-369002 2012-06-15 16:20:16 +00:00
fskmodem_float.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
fskmodem_int.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
global_datastores.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
hashtab.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
heap.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
http.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
image.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
indications.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
io.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
jitterbuf.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
json.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
libasteriskssl.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
libasteriskssl.exports.in Address OpenSSL initialization issues when using third-party libraries. 2012-01-30 21:21:16 +00:00
loader.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
lock.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
logger.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
Makefile Fix an ABI compatibility issue with ast_log_safe for modules. 2015-03-30 11:43:19 +00:00
manager.c AMI: Fix improper handling of lines that are exactly 1025 bytes long. 2015-04-13 23:29:14 -05:00
manager_bridges.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
manager_channels.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
manager_endpoints.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
manager_mwi.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
manager_system.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
md5.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
media_index.c media formats: re-architect handling of media for performance improvements 2014-07-20 22:06:33 +00:00
message.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
mixmonitor.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
named_acl.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
netsock.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
netsock2.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
optional_api.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
parking.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
pbx.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
pickup.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
plc.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
poll.c Merged revisions 285268 via svnmerge from 2010-09-07 19:09:08 +00:00
presencestate.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
privacy.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
rtp_engine.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
say.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sched.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sdp_srtp.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
security_events.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sem.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sha1.c Doxygen Updates - janitor work 2012-09-21 17:14:59 +00:00
sip_api.c Don't make chan_sip export global symbols. 2012-10-11 15:49:02 +00:00
slinfactory.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
smoother.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sorcery.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
sounds_index.c Replace most uses of ast_register_atexit with ast_register_cleanup. 2015-03-26 22:24:26 +00:00
srv.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_bridges.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_cache.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_cache_pattern.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_channels.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_endpoints.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_message.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_message_router.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stasis_system.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
strcompat.c Add builtin roundf() for systems lacking it. 2013-01-19 20:54:07 +00:00
strings.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
stun.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
syslog.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
taskprocessor.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
tcptls.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
tdd.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
term.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
test.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
threadpool.c threadpool.c: Minor cleanup fixes. 2014-09-29 20:28:24 +00:00
threadstorage.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
timing.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
translate.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
udptl.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
ulaw.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
uri.c uri: Quiet warning about type qualifiers ignored on function return type 2014-08-21 14:42:12 +00:00
utils.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
uuid.c Fix printf problems with high ascii characters after r413586 (1.8). 2014-12-17 10:23:32 +00:00
xml.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00
xmldoc.c git migration: Refactor the ASTERISK_FILE_VERSION macro 2015-04-13 03:48:57 -04:00