Summary:	ASTERISK-25788: chan_sip: Race condition when executing "sip reload"
Reporter:	Badalian Vyacheslav (slavon)	Labels:
Date Opened:	2016-02-12 12:57:19.000-0600	Date Closed:	2016-10-30 13:41:28
Priority:	Major	Regression?
Status:	Closed/Complete	Components:	Channels/chan_sip/General
Versions:		Frequency of Occurrence
Related Issues:
Environment:	[root@vm-asterisk04t asterisk]# git branch -v * master a394865 Merge "Resources/res_phoneprov: fix memory leak and heap-use-after-free"	Attachments:
Description:	{code} *CLI> sip reload *CLI> ================== WARNING: ThreadSanitizer: data race (pid=22885)  Write of size 4 at 0x7f7f462f0fc0 by thread T64:    #0 <null> <null> (chan_sip.so+0x0000000f16bd) = /root/asterisk/channels/chan_sip.c:31442 reload_config    #1 <null> <null> (chan_sip.so+0x0000000fe2ba) = /root/asterisk/channels/chan_sip.c:33216 sip_do_reload    #2 <null> <null> (chan_sip.so+0x0000000d36da) = /root/asterisk/channels/chan_sip.c:28936 do_monitor    #3 dummy_start /root/asterisk/main/utils.c:1232 (asterisk+0x00000031efb1)    #4 <null> <null> (libtsan.so.0+0x000000023659)  Previous read of size 4 at 0x7f7f462f0fc0 by main thread:    #0 <null> <null> (chan_sip.so+0x0000000dfc06) = /root/asterisk/channels/chan_sip.c:30343 set_peer_defaults    #1 <null> <null> (chan_sip.so+0x0000000e391f) = /root/asterisk/channels/chan_sip.c:30428 temp_peer    #2 <null> <null> (chan_sip.so+0x0000000fe6c4) = /root/asterisk/channels/chan_sip.c:33272 sip_reload    #3 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x00000014dd3b)    #4 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x00000007df36)    #5 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x000000088d6c)    #6 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x000000087707)  Location is global '<null>' of size 0 at 0x000000000000 (chan_sip.so+0x000000348fc0)  Thread T64 (tid=23437, running) created by main thread at:    #0 pthread_create <null> (libtsan.so.0+0x000000027b07)    #1 ast_pthread_create_stack /root/asterisk/main/utils.c:1285 (asterisk+0x00000031f25f)    #2 <null> <null> (chan_sip.so+0x0000000d3cc1) = /root/asterisk/channels/chan_sip.c:29013 restart_monitor    #3 <null> <null> (chan_sip.so+0x00000010167a) = /root/asterisk/channels/chan_sip.c:34695 load_module    #4 start_resource /root/asterisk/main/loader.c:1015 (asterisk+0x0000001f0d33)    #5 load_resource_list /root/asterisk/main/loader.c:1213 (asterisk+0x0000001f1d15)    #6 load_modules /root/asterisk/main/loader.c:1366 (asterisk+0x0000001f26da)    #7 asterisk_daemon /root/asterisk/main/asterisk.c:4659 (asterisk+0x00000008880d)    #8 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x000000087707) SUMMARY: ThreadSanitizer: data race ??:0 ?? ================== {code}
Comments:	By: Asterisk Team (asteriskteam) 2016-02-12 12:57:21.020-0600 Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution. A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report. Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].