[asterisk-bugs] [JIRA] (ASTERISK-25787) chan_sip: Race condition when executing "sip show peers"

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp updated ASTERISK-25787:
-----------------------------------

    Summary: chan_sip: Race condition when executing "sip show peers"  (was: data race then "sip show peers")

> chan_sip: Race condition when executing "sip show peers"
> --------------------------------------------------------
>
>                 Key: ASTERISK-25787
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25787
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>         Environment: [root at vm-asterisk04t asterisk]# git branch -v
> * master a394865 Merge "Resources/res_phoneprov: fix memory leak and heap-use-after-free"
>            Reporter: Badalian Vyacheslav
>
> {code}
> ==================
> WARNING: ThreadSanitizer: data race (pid=22097)
>   Read of size 4 at 0x7d64001f7a24 by main thread (mutexes: write M83453):
>     #0 <null> <null> (chan_sip.so+0x000000092f6e) = /root/asterisk/channels/chan_sip.c peer_status
>     #1 <null> <null> (chan_sip.so+0x000000094b18) = /root/asterisk/channels/chan_sip.c:19654 _sip_show_peers_one
>     #2 <null> <null> (chan_sip.so+0x000000094681) = /root/asterisk/channels/chan_sip.c:19596 _sip_show_peers 
>     #3 <null> <null> (chan_sip.so+0x000000093f8e) = /root/asterisk/channels/chan_sip.c:19481 sip_show_peers 
>     #4 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x00000014dd3b)
>     #5 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x00000007df36)
>     #6 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x000000088d6c)
>     #7 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x000000087707)
>   Previous write of size 4 at 0x7d64001f7a24 by thread T64 (mutexes: write M152606):
>     #0 <null> <null> (chan_sip.so+0x0000000d7004) = /root/asterisk/channels/chan_sip.c:29488 sip_poke_peer 
>     #1 <null> <null> (chan_sip.so+0x0000000753ca) = /root/asterisk/channels/chan_sip.c:16046 sip_poke_peer_s 
>     #2 ast_sched_runq /root/asterisk/main/sched.c:748 (asterisk+0x0000002b3f91)
>     #3 <null> <null> (chan_sip.so+0x0000000d3a62) = /root/asterisk/channels/chan_sip.c:28985 do_monitor 
>     #4 dummy_start /root/asterisk/main/utils.c:1232 (asterisk+0x00000031efb1)
>     #5 <null> <null> (libtsan.so.0+0x000000023659)
>   Location is heap block of size 1160 at 0x7d64001f7700 allocated by main thread:
>     #0 calloc <null> (libtsan.so.0+0x000000025bed)
>     #1 _ast_calloc /root/asterisk/include/asterisk/utils.h:573 (asterisk+0x000000088e88)
>     #2 __ao2_alloc /root/asterisk/main/astobj2.c:597 (asterisk+0x00000008a086)
>     #3 <null> <null> (chan_sip.so+0x0000000e3ff0) = /root/asterisk/channels/chan_sip.c:30523 build_peer 
>     #4 <null> <null> (chan_sip.so+0x0000000f9c07) = /root/asterisk/channels/chan_sip.c:32439 reload_config
>     #5 <null> <null> (chan_sip.so+0x000000100ee4) = /root/asterisk/channels/chan_sip.c:34587 load_module 
>     #6 start_resource /root/asterisk/main/loader.c:1015 (asterisk+0x0000001f0d33)
>     #7 load_resource_list /root/asterisk/main/loader.c:1213 (asterisk+0x0000001f1d15)
>     #8 load_modules /root/asterisk/main/loader.c:1366 (asterisk+0x0000001f26da)
>     #9 asterisk_daemon /root/asterisk/main/asterisk.c:4659 (asterisk+0x00000008880d)
>     #10 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x000000087707)
>   Mutex M83453 (0x7d64001f7700) created at:
>     #0 pthread_mutex_init <null> (libtsan.so.0+0x000000028645)
>     #1 __ast_pthread_mutex_init /root/asterisk/main/lock.c:149 (asterisk+0x0000001f3d46)
>     #2 __ao2_alloc /root/asterisk/main/astobj2.c:603 (asterisk+0x00000008a0c6)
>     #3 <null> <null> (chan_sip.so+0x0000000e3ff0) = /root/asterisk/channels/chan_sip.c:30523 build_peer
>     #4 <null> <null> (chan_sip.so+0x0000000f9c07) = /root/asterisk/channels/chan_sip.c:32439 reload_config
>     #5 <null> <null> (chan_sip.so+0x000000100ee4) = /root/asterisk/channels/chan_sip.c:34587 load_module  
>     #6 start_resource /root/asterisk/main/loader.c:1015 (asterisk+0x0000001f0d33)
>     #7 load_resource_list /root/asterisk/main/loader.c:1213 (asterisk+0x0000001f1d15)
>     #8 load_modules /root/asterisk/main/loader.c:1366 (asterisk+0x0000001f26da)
>     #9 asterisk_daemon /root/asterisk/main/asterisk.c:4659 (asterisk+0x00000008880d)
>     #10 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x000000087707)
>   Mutex M152606 (0x7fccfbfe0480) created at:
>     #0 pthread_mutex_lock <null> (libtsan.so.0+0x000000037816)
>     #1 __ast_pthread_mutex_lock /root/asterisk/main/lock.c:313 (asterisk+0x0000001f3de2)
>     #2 <null> <null> (chan_sip.so+0x0000000d3bae) = /root/asterisk/channels/chan_sip.c:29002 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)
>   Thread T64 (tid=22642, 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}



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