[asterisk-bugs] [JIRA] (ASTERISK-28947) Segmentation fault in mixmonitor_ds_destroy

[Robert Sutton (JIRA)]

Robert Sutton created ASTERISK-28947:
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             Summary: Segmentation fault in mixmonitor_ds_destroy
                 Key: ASTERISK-28947
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28947
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_mixmonitor
    Affects Versions: 16.10.0
         Environment: ubuntu 18.04, asterisk 16.10, pjsip
            Reporter: Robert Sutton


This has occurred twice in about 10 days.



{noformat}
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
bCore was generated by `/usr/sbin/asterisk -f -g -U asterisk -g -G shared -vvv'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_abort () at abort.c:107
107     abort.c: No such file or directory.
[Current thread is 1 (Thread 0x7f88d8855700 (LWP 14549))]
(gdb) bt
#0  __GI_abort () at abort.c:107
#1  0x00007f89f6454897 in __libc_message (action=action at entry=do_abort, fmt=fmt at entry=0x7f89f6581b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
#2  0x00007f89f645b90a in malloc_printerr (str=str at entry=0x7f89f65837a8 "munmap_chunk(): invalid pointer") at malloc.c:5350
#3  0x00007f89f6462ecc in munmap_chunk (p=0x7f88ec01a700) at malloc.c:2846
#4  __GI___libc_free (mem=0x7f88ec01a710) at malloc.c:3117
#5  0x0000561aa218d2dd in __ast_free (ptr=0x7f88ec01a710, file=0x7f89ab9f6185 "app_mixmonitor.c", lineno=454, func=0x7f89ab9f7230 <__PRETTY_FUNCTION__.15608> "mixmonitor_ds_destroy") at astmm.c:1588
#6  0x00007f89ab9eeea5 in mixmonitor_ds_destroy (data=0x7f88ec062190) at app_mixmonitor.c:454
#7  0x0000561aa220f8d4 in ast_datastore_free (datastore=0x7f88ec00b250) at datastore.c:74
#8  0x0000561aa21d1d54 in ast_channel_destructor (obj=0x7f89c0ac4530) at channel.c:2243
#9  0x0000561aa218eaea in __ao2_ref (user_data=0x7f89c0ac4530, delta=-1, tag=0x7f89ab9f64c5 "", file=0x7f89ab9f6185 "app_mixmonitor.c", line=1309, func=0x7f89ab9f73f0 <__PRETTY_FUNCTION__.16078> "handle_cli_mixmonitor") at astobj2.c:614
#10 0x00007f89ab9f4955 in handle_cli_mixmonitor (e=0x7f89abbf8440 <cli_mixmonitor>, cmd=-4, a=0x7f88d8853e20) at app_mixmonitor.c:1309
#11 0x0000561aa21ffb3e in ast_cli_command_full (uid=-1, gid=-1, fd=285,
    s=0x7f88ec027479 "mixmonitor start PJSIP/trunk-0000372B \"/var/spool/asterisk/monitor/1591853283.17660-xxxxxxx-xxxxxxxxx-I-2.wav\",'',\"curl 'http://127.0.0.1:8080/rest/recordingMigration/migrate?guid=1591853314407-9"...) at cli.c:2833
#12 0x0000561aa2372d70 in action_command (s=0x7f88d8854c40, m=0x7f88d88543d0) at manager.c:5241
#13 0x0000561aa237903b in process_message (s=0x7f88d8854c40, m=0x7f88d88543d0) at manager.c:6612
#14 0x0000561aa2379a5d in do_message (s=0x7f88d8854c40) at manager.c:6825
#15 0x0000561aa2379f0f in session_do (data=0x7f89700094d0) at manager.c:6930
#16 0x0000561aa2301f6b in handle_tcptls_connection (data=0x7f89700094d0) at tcptls.c:274
#17 0x0000561aa23145e2 in dummy_start (data=0x7f8970004d80) at utils.c:1249
#18 0x00007f89f72fb6db in start_thread (arg=0x7f88d8855700) at pthread_create.c:463
#19 0x00007f89f64ec88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
{noformat}



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