Encountered a crash, what is best way to tell if it has been fixed or now

I have a customer who just encountered a crash while running Asterisk 18.17.1 version.

I'm trying to adapt to the changes so not sure where best to look or how to possibly report this.

I started by going through https://github.com/asterisk/asterisk/compare/18.17.1...18.19.0 to see if any of the changes seemed to apply to code reported by the backtrace.

Entirely possible I missed something, but I didn't notice anything that applies.

I do see a commit was done today to the res_pjsip_nat.c file, but not sure if that would apply to the issue.

Any suggestions for where I should look or ask?



(gdb) bt
#0  0x000055e7c091ed95 in __ao2_ref (user_data=user_data@entry=0x1, delta=delta@entry=1, tag=tag@entry=0x0, file=file@entry=0x7f773800e012 "res_pjsip_session.c", line=line@entry=3639,
    func=func@entry=0x7f7738011d20 <__PRETTY_FUNCTION__.38105> "ast_sip_dialog_get_session") at astobj2.c:501
#1  0x00007f773800a0da in ast_sip_dialog_get_session (dlg=dlg@entry=0x7f777415de48) at res_pjsip_session.c:3639
#2  0x00007f773800d3e7 in session_outgoing_nat_hook (tdata=0x7f773c633ac8, transport=0x7f7754082048) at res_pjsip_session.c:5567
#3  0x00007f773801965d in nat_invoke_hook (obj=<optimized out>, arg=arg@entry=0x7f772c1a0a50, flags=flags@entry=0) at res_pjsip_nat.c:299
#4  0x000055e7c09218c0 in internal_ao2_traverse (self=self@entry=0x7f774014cc18, flags=flags@entry=OBJ_SEARCH_NONE, cb_fn=cb_fn@entry=0x7f7738019640 <nat_invoke_hook>, arg=arg@entry=0x7f772c1a0a50, tag=tag@entry=0x0,
    file=file@entry=0x7f773801b009 "res_pjsip_nat.c", line=<optimized out>, func=<optimized out>, type=AO2_CALLBACK_DEFAULT, data=0x0) at astobj2_container.c:328
#5  0x000055e7c0921d79 in __ao2_callback (c=c@entry=0x7f774014cc18, flags=flags@entry=OBJ_SEARCH_NONE, cb_fn=cb_fn@entry=0x7f7738019640 <nat_invoke_hook>, arg=arg@entry=0x7f772c1a0a50, tag=tag@entry=0x0,
    file=file@entry=0x7f773801b009 "res_pjsip_nat.c", line=470, func=0x7f773801b4b8 <__PRETTY_FUNCTION__.29250> "process_nat") at astobj2_container.c:414
#6  0x00007f7738019ddf in process_nat (tdata=0x7f773c633ac8) at res_pjsip_nat.c:470
#7  nat_on_tx_message (tdata=0x7f773c633ac8) at res_pjsip_nat.c:479
#8  0x00007f777bc6fc66 in ?? ()
#9  0x00007f777bc71610 in ?? ()
#10 0x00007f773c633ac8 in ?? ()
#11 0x000055e7c1ac7708 in ?? ()
#12 0x00007f777bc77c69 in ?? ()
#13 0x0000000000000000 in ?? ()

Have a good day!
Dan

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