[CRASH] OpenSIPS 3.4 - dialog: ref-count underflow to -1 ("bogus ref") on BYE teardown

[voicelandglobal]

OpenSIPS version you are running

version: opensips 3.4.18 (aarch64/linux)
flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, USE_POSIX_SEM
MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll, sigio_rt, select.
git revision: 97cae9c01
main.c compiled on 09:29:24 Jun 15 2026 with gcc 12

Crash Core Dump
emailed privetelly @razvancrainea

I still have access to the core dump if needed for extra debugging

Describe the traffic that generated the bug
regullar traffic

To Reproduce
unfortunatelly i wasn't able to reproduce it locally or any test server on any arch even with high cps...

Relevant System Logs

OS/environment information

• Operating System: Debian 12
• OpenSIPS installation: git
• other relevant information:

is this crash related to #3835 ?

thank you
Vasilios Tzanoudakis

[voicelandglobal]

also #3892 maybe cause i use aws graviton....

[razvancrainea]

@voicelandglobal this is very likely related to #3892 - try to cherry pick that commit in your 3.4 setup, as it will not be backported, since 3.4 is no longer supported.

Best regards,
Răzvan

[voicelandglobal]

@voicelandglobal this is very likely related to #3892 - try to cherry pick that commit in your 3.4 setup, as it will not be backported, since 3.4 is no longer supported.

Best regards, Răzvan

thanks for your reply @razvancrainea i thought is was still supported. I will switch to 3.6 asap.