| Summary: | ASTERISK-25784: lock-order-inversion (potential deadlock) on dialplan reload | ||||
| Reporter: | Badalian Vyacheslav (slavon) | Labels: | |||
| Date Opened: | 2016-02-11 23:41:00.000-0600 | Date Closed: | 2016-02-12 08:34:01.000-0600 | ||
| Priority: | Major | Regression? | |||
| Status: | Closed/Complete | Components: | |||
| Versions: | 13.7.2 | Frequency of Occurrence | |||
| Related Issues: |
| ||||
| Environment: | Attachments: | ||||
| Description: | {code}
================== WARNING: ThreadSanitizer: lock-order-inversion (potential deadlock) (pid=22302) Cycle in lock order graph: M22 (0x7d940000c800) => M2263 (0x7f781b45ce60) => M22 Mutex M2263 acquired here while holding mutex M22 in main thread: #0 pthread_mutex_lock <null> (libtsan.so.0+0x000000037816) #1 __ast_pthread_mutex_lock /root/asterisk/main/lock.c:313 (asterisk+0x000000503d01) #2 ast_rdlock_contexts /root/asterisk/main/pbx.c:8183 (asterisk+0x0000005a1e52) #3 ast_hint_extension /root/asterisk/main/pbx.c:2887 (asterisk+0x0000005817bf) #4 ast_get_hint /root/asterisk/main/pbx.c:3959 (asterisk+0x000000587bbf) #5 manager_state_cb /root/asterisk/main/manager.c:6765 (asterisk+0x000000536dcf) #6 execute_state_callback /root/asterisk/main/pbx.c:3165 (asterisk+0x000000582ec5) #7 ast_add_hint /root/asterisk/main/pbx.c:3872 (asterisk+0x000000587653) #8 add_priority /root/asterisk/main/pbx.c:6968 (asterisk+0x00000059aeea) #9 ast_add_extension2_lockopt /root/asterisk/main/pbx.c:7143 (asterisk+0x00000059bd1f) #10 ast_add_extension2 /root/asterisk/main/pbx.c:7004 (asterisk+0x00000059af66) #11 pbx_load_config /root/asterisk/pbx/pbx_config.c:1841 (pbx_config.so+0x000000013f6e) #12 pbx_load_module /root/asterisk/pbx/pbx_config.c:2045 (pbx_config.so+0x000000015648) #13 handle_cli_dialplan_reload /root/asterisk/pbx/pbx_config.c:1565 (pbx_config.so+0x000000012372) #14 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x0000004058fa) #15 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x0000002c8cca) #16 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x0000002d7411) #17 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x0000002d5cfd) Mutex M22 previously acquired by the same thread here: #0 pthread_mutex_lock <null> (libtsan.so.0+0x000000037816) #1 __ast_pthread_mutex_lock /root/asterisk/main/lock.c:313 (asterisk+0x000000503d01) #2 __ao2_lock /root/asterisk/main/astobj2.c:200 (asterisk+0x0000002d78be) #3 ast_add_hint /root/asterisk/main/pbx.c:3841 (asterisk+0x0000005870db) #4 add_priority /root/asterisk/main/pbx.c:6968 (asterisk+0x00000059aeea) #5 ast_add_extension2_lockopt /root/asterisk/main/pbx.c:7143 (asterisk+0x00000059bd1f) #6 ast_add_extension2 /root/asterisk/main/pbx.c:7004 (asterisk+0x00000059af66) #7 pbx_load_config /root/asterisk/pbx/pbx_config.c:1841 (pbx_config.so+0x000000013f6e) #8 pbx_load_module /root/asterisk/pbx/pbx_config.c:2045 (pbx_config.so+0x000000015648) #9 handle_cli_dialplan_reload /root/asterisk/pbx/pbx_config.c:1565 (pbx_config.so+0x000000012372) #10 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x0000004058fa) #11 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x0000002c8cca) #12 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x0000002d7411) #13 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x0000002d5cfd) Mutex M22 acquired here while holding mutex M2263 in main thread: #0 pthread_mutex_lock <null> (libtsan.so.0+0x000000037816) #1 __ast_pthread_mutex_lock /root/asterisk/main/lock.c:313 (asterisk+0x000000503d01) #2 __ao2_lock /root/asterisk/main/astobj2.c:200 (asterisk+0x0000002d78be) #3 ast_merge_contexts_and_delete /root/asterisk/main/pbx.c:6211 (asterisk+0x0000005952fa) #4 pbx_load_module /root/asterisk/pbx/pbx_config.c:2052 (pbx_config.so+0x0000000156aa) #5 handle_cli_dialplan_reload /root/asterisk/pbx/pbx_config.c:1565 (pbx_config.so+0x000000012372) #6 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x0000004058fa) #7 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x0000002c8cca) #8 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x0000002d7411) #9 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x0000002d5cfd) Mutex M2263 previously acquired by the same thread here: #0 pthread_mutex_lock <null> (libtsan.so.0+0x000000037816) #1 __ast_pthread_mutex_lock /root/asterisk/main/lock.c:313 (asterisk+0x000000503d01) #2 ast_wrlock_contexts /root/asterisk/main/pbx.c:8178 (asterisk+0x0000005a1e07) #3 ast_merge_contexts_and_delete /root/asterisk/main/pbx.c:6194 (asterisk+0x000000595198) #4 pbx_load_module /root/asterisk/pbx/pbx_config.c:2052 (pbx_config.so+0x0000000156aa) #5 handle_cli_dialplan_reload /root/asterisk/pbx/pbx_config.c:1565 (pbx_config.so+0x000000012372) #6 ast_cli_command_full /root/asterisk/main/cli.c:2717 (asterisk+0x0000004058fa) #7 consolehandler /root/asterisk/main/asterisk.c:2230 (asterisk+0x0000002c8cca) #8 asterisk_daemon /root/asterisk/main/asterisk.c:4743 (asterisk+0x0000002d7411) #9 main /root/asterisk/main/asterisk.c:4230 (asterisk+0x0000002d5cfd) SUMMARY: ThreadSanitizer: lock-order-inversion (potential deadlock) ??:0 __interceptor_pthread_mutex_lock ================== {code} | ||||
| Comments: | By: Asterisk Team (asteriskteam) 2016-02-11 23:41:02.660-0600 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]. | ||||