tsearle created an issue (kamailio/kamailio#4232)
### Description
For getting A and B leg QoS stats, Kamailio expects there to be a SSRC key inside the Stream object.
However some versions of rtpengine (tested with mr13.3.1.1) do not send this key. Looking at the master version of rtpengine, I see this key has been added to correspond to ingress SSRCs[0].
This patch adds a checking ingress SSRCs[0] as a fallback if SSRC
### Troubleshooting
#### Reproduction
use kamailio 6.0.1 and rtpengine mr13.3.1.1 using baresip as the calling and called party
the following in the kamailio.cfg
```
modparam("rtpengine", "mos_A_label_pv", "$avp(mos_A_label)")
#The name of a pseudovariable to hold the minimum encountered MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_min_A_pv", "$avp(mos_min_mos_A)")
#The name of a pseudovariable to hold the amount of packetloss in percent at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_packetloss_A_pv", "$avp(mos_min_packetloss_A)")
#The name of a pseudovariable to hold the amount of jitter in milliseconds at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_jitter_A_pv", "$avp(mos_min_jitter_A)")
#The name of a pseudovariable to hold the packet round-trip time in microseconds at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_roundtrip_A_pv", "$avp(mos_min_roundtrip_A)")
#The name of a pseudovariable to hold the maximum encountered MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_max_A_pv", "$avp(mos_max_mos_A)")
#The name of a pseudovariable to hold the amount of packetloss in percent at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_packetloss_A_pv", "$avp(mos_max_packetloss_A)")
#The name of a pseudovariable to hold the amount of jitter in milliseconds at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_jitter_A_pv", "$avp(mos_max_jitter_A)")
#The name of a pseudovariable to hold the packet round-trip time in microseconds at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_roundtrip_A_pv", "$avp(mos_max_roundtrip_A)")
#The name of a pseudovariable to hold the average (median) MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_average_A_pv", "$avp(mos_average_mos_A)")
#The name of a pseudovariable to hold the average (median) amount of packetloss in percent present throughout the call.
modparam("rtpengine", "mos_average_packetloss_A_pv", "$avp(mos_average_packetloss_A)")
#The name of a pseudovariable to hold the average (median) amount of jitter in milliseconds present throughout the call.
modparam("rtpengine", "mos_average_jitter_A_pv", "$avp(mos_average_jitter_A)")
#The name of a pseudovariable to hold the average (median) packet round-trip time in microseconds present throughout the call.
modparam("rtpengine", "mos_average_roundtrip_A_pv", "$avp(mos_average_roundtrip_A)")
modparam("rtpengine", "mos_B_label_pv", "$avp(mos_B_label)")
#The name of a pseudovariable to hold the minimum encountered MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_min_B_pv", "$avp(mos_min_mos_B)")
#The name of a pseudovariable to hold the amount of packetloss in percent at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_packetloss_B_pv", "$avp(mos_min_packetloss_B)")
#The name of a pseudovariable to hold the amount of jitter in milliseconds at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_jitter_B_pv", "$avp(mos_min_jitter_B)")
#The name of a pseudovariable to hold the packet round-trip time in microseconds at the time the minimum MOS value was encountered;
modparam("rtpengine", "mos_min_roundtrip_B_pv", "$avp(mos_min_roundtrip_B)")
#The name of a pseudovariable to hold the maximum encountered MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_max_B_pv", "$avp(mos_max_mos_B)")
#The name of a pseudovariable to hold the amount of packetloss in percent at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_packetloss_B_pv", "$avp(mos_max_packetloss_B)")
#The name of a pseudovariable to hold the amount of jitter in milliseconds at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_jitter_B_pv", "$avp(mos_max_jitter_B)")
#The name of a pseudovariable to hold the packet round-trip time in microseconds at the time the maximum MOS value was encountered;
modparam("rtpengine", "mos_max_roundtrip_B_pv", "$avp(mos_max_roundtrip_B)")
#The name of a pseudovariable to hold the average (median) MOS value for the call. The value typically has a range of 1.0 through 5.0.
modparam("rtpengine", "mos_average_B_pv", "$avp(mos_average_mos_B)")
#The name of a pseudovariable to hold the average (median) amount of packetloss in percent present throughout the call.
modparam("rtpengine", "mos_average_packetloss_B_pv", "$avp(mos_average_packetloss_B)")
#The name of a pseudovariable to hold the average (median) amount of jitter in milliseconds present throughout the call.
modparam("rtpengine", "mos_average_jitter_B_pv", "$avp(mos_average_jitter_B)")
#The name of a pseudovariable to hold the average (median) packet round-trip time in microseconds present throughout the call.
modparam("rtpengine", "mos_average_roundtrip_B_pv", "$avp(mos_average_roundtrip_B)")
```
#### Debugging Data
<!--
If you got a core dump, use gdb to extract troubleshooting data - full backtrace,
local variables and the list of the code at the issue location.
gdb /path/to/kamailio /path/to/corefile
bt full
info locals
list
If you are familiar with gdb, feel free to attach more of what you consider to
be relevant.
-->
```
(paste your debugging data here)
```
#### Log Messages
```
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 3684, "function": "rtpp_function_call", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine hash table remove entry for callen=16 callid=3df537fef966eb1a viabranch=" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4508, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: looking for label 'Aleg_label'" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4514, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tags" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4517, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tag" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4522, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got label Aleg_label" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4525, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX label match" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4530, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got medias" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4532, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got media" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4537, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got streams" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4542, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got stream type 4" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4543, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX stream child 'local port'" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4546, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX stream child val type 2" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4517, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tag" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4522, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got label Bleg_label" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4508, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: looking for label 'Bleg_label'" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4514, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tags" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4517, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tag" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4522, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got label Aleg_label" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4517, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got tag" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4522, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got label Bleg_label" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4525, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX label match" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4530, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got medias" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4532, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got media" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4537, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got streams" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4542, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX got stream type 4" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4543, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX stream child 'local port'" }
May 07 06:12:56 tst-ec1-blue-app-116 /usr/sbin/kamailio[3299]: { "level": "DEBUG", "module": "rtpengine", "file": "rtpengine.c", "line": 4546, "function": "parse_call_stats_1", "callid": "3df537fef966eb1a", "logprefix": "{BYE <null> 10.152.8.37 3df537fef966eb1a } ", "message": "rtpengine: XXX stream child val type 2" }
```
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Message ID: <kamailio/kamailio/issues/4232(a)github.com>
Module: kamailio
Branch: master
Commit: 2e20c74fb03f2442cde5f3f69989a0ed914f542c
URL: https://github.com/kamailio/kamailio/commit/2e20c74fb03f2442cde5f3f69989a0e…
Author: Daniel-Constantin Mierla <miconda(a)gmail.com>
Committer: Daniel-Constantin Mierla <miconda(a)gmail.com>
Date: 2025-05-06T14:38:02+02:00
app_jsdt: doc - fix section tags for loaddir
---
Modified: src/modules/app_jsdt/doc/app_jsdt_admin.xml
---
Diff: https://github.com/kamailio/kamailio/commit/2e20c74fb03f2442cde5f3f69989a0e…
Patch: https://github.com/kamailio/kamailio/commit/2e20c74fb03f2442cde5f3f69989a0e…
---
diff --git a/src/modules/app_jsdt/doc/app_jsdt_admin.xml b/src/modules/app_jsdt/doc/app_jsdt_admin.xml
index 6d139c29428..bbf2148b9b4 100644
--- a/src/modules/app_jsdt/doc/app_jsdt_admin.xml
+++ b/src/modules/app_jsdt/doc/app_jsdt_admin.xml
@@ -107,35 +107,31 @@ modparam("app_jsdt", "load", "/usr/local/etc/kamailio/js/myscript.js")
</programlisting>
</example>
</section>
- <section>
- <title>Parameters</title>
- <section id="app_jsdt.p.loaddir">
- <title>
- <varname>loaddir</varname> (str)
- </title>
- <para>
- Set the path to the folder containing JavaScript files to be loaded at startup. All
- .js files in the folder will be loaded and combined into a single javascript script.
- Then you can use jsdt_run(function, params) to execute a function from the
- script at runtime. If you use it for KEMI configuration,
- then it has to include the required functions.
- </para>
- <para>
- <emphasis>
- Default value is <quote>null</quote>.
- </emphasis>
- </para>
- <example>
- <title>
- Set <varname>loaddir</varname> parameter
- </title>
- <programlisting format="linespecific">
- ...
- modparam("app_jsdt", "loaddir", "/usr/local/etc/kamailio/js")
- ...
- </programlisting>
- </example>
- </section>
+ <section id="app_jsdt.p.loaddir">
+ <title><varname>loaddir</varname> (str)</title>
+ <para>
+ Set the path to the folder containing JavaScript files to be loaded at startup. All
+ .js files in the folder will be loaded and combined into a single javascript script.
+ Then you can use jsdt_run(function, params) to execute a function from the
+ script at runtime. If you use it for KEMI configuration,
+ then it has to include the required functions.
+ </para>
+ <para>
+ <emphasis>
+ Default value is <quote>null</quote>.
+ </emphasis>
+ </para>
+ <example>
+ <title>
+ Set <varname>loaddir</varname> parameter
+ </title>
+ <programlisting format="linespecific">
+...
+modparam("app_jsdt", "loaddir", "/usr/local/etc/kamailio/js")
+...
+</programlisting>
+ </example>
+ </section>
<section id="app_jsdt.p.mode">
<title><varname>mode</varname> (int)</title>
<para>
@@ -328,4 +324,3 @@ request_route {
</programlisting>
</section>
</chapter>
-
<!-- Kamailio Pull Request Template -->
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<!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above-->
<!-- If you're unsure about any of these, don't hesitate to ask on sr-dev mailing list -->
- [x] Commit message has the format required by CONTRIBUTING guide
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in `doc/` subfolder, the README file is autogenerated)
#### Type Of Change
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- [ ] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
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- [ ] PR should be backported to stable branches
- [x] Tested changes locally
- [ ] Related to issue #XXXX (replace XXXX with an open issue number)
#### Description
We've been running the ims_charging module in production for quite some time, without any issues.
A couple of days ago the whole instance freezed, but I was able to get a dump before the stuck processes before restarting. The traffic volume has gradually increased over time, so it's likely related to that.
I then did a summary of the different types of stuck processes. Which locks they're holding, and what they're waiting for:
```
holding lock:
AAASessionsLock
waiting for lock:
lock_get(peer_list_lock);
#1 0x00007fe70eba8cde in futex_get (lock=0x7fe6e4a5c680) at ../../core/futexlock.h:108
#2 0x00007fe70ebaaca2 in get_peer_by_fqdn (fqdn=0x7fe6e4a5ba30) at peermanager.c:259
#3 0x00007fe70ebb64b7 in get_first_connected_route (cdp_session=0x7fe6e5cc5350, r=0x7fe6e4a5ba30, app_id=4, vendor_id=10415) at routing.c:115
#4 0x00007fe70ebb9a37 in get_routing_peer (cdp_session=0x7fe6e5cc5350, m=0x7fe6e5447ab0) at routing.c:293
#5 0x00007fe70ebcaf8c in AAASendMessage (message=0x7fe6e5447ab0, callback_f=0x7fe707a9e323 <resume_on_initial_ccr>, callback_param=0x7fe6e5297110) at diameter_comm.c:139
#6 0x00007fe707a9d3e0 in Ro_Send_CCR (msg=0x7fe70f011100, dlg=0x7fe6e5c571f0, dir=0, reservation_units=30, incoming_trunk_id=0x7ffe50efb060, outgoing_trunk_id=0x7ffe50efb050, pani=0x7ffe50efaee0, action=0x7fe70efa4730, tindex=10484, tlabel=677172593) at ims_ro.c:1511
#7 0x00007fe707a8285d in ki_ro_ccr (msg=0x7fe70f011100, s_route_name=0x7ffe50efb080, s_direction=0x7ffe50efb070, reservation_units=30, s_incoming_trunk_id=0x7ffe50efb060, s_outgoing_trunk_id=0x7ffe50efb050) at ims_charging_mod.c:742
#8 0x00007fe707a7bf01 in w_ro_ccr (msg=0x7fe70f011100, c_route_name=0x7fe70ef8b8d0 "\220\311\371\016\347\177", c_direction=0x7fe70ef8b980 "p\240\371\016\347\177", reservation_units=30, c_incoming_trunk_id=0x7fe70ef8ba30 "p\241\371\016\347\177", c_outgoing_trunk_id=0x7fe70ef8bae0 "\360\241\371\016\347\177") at ims_charging_mod.c:507
#9 0x00000000004858d8 in do_action (h=0x7ffe50efb970, a=0x7fe70ef99e20, msg=0x7fe70f011100) at core/action.c:1144
#10 0x00000000004928d6 in run_actions (h=0x7ffe50efb970, a=0x7fe70ef99e20, msg=0x7fe70f011100) at core/action.c:1618
#11 0x0000000000492f52 in run_actions_safe (h=0x7ffe50eff1e0, a=0x7fe70ef99e20, msg=0x7fe70f011100) at core/action.c:1681
#12 0x0000000000450156 in rval_get_long (h=0x7ffe50eff1e0, msg=0x7fe70f011100, i=0x7ffe50efbec8, rv=0x7fe70ef9c1d8, cache=0x0) at core/rvalue.c:973
#13 0x0000000000454d24 in rval_expr_eval_long (h=0x7ffe50eff1e0, msg=0x7fe70f011100, res=0x7ffe50efbec8, rve=0x7fe70ef9c1d0) at core/rvalue.c:1854
#14 0x0000000000454d52 in rval_expr_eval_long (h=0x7ffe50eff1e0, msg=0x7fe70f011100, res=0x7ffe50efc448, rve=0x7fe70ef9b920) at core/rvalue.c:1864
#15 0x00000000004850ce in do_action (h=0x7ffe50eff1e0, a=0x7fe70ef9b070, msg=0x7fe70f011100) at core/action.c:1097
--
holding lock:
AAASessionsLock
waiting for lock:
lock_get(peer_list_lock);
#1 0x00007fe70eba8d4f in futex_get (lock=0x7fe6e4a5c680) at ../../core/futexlock.h:121
#2 0x00007fe70ebaaca2 in get_peer_by_fqdn (fqdn=0x7ffe50efab90) at peermanager.c:259
#3 0x00007fe70ebb8e89 in get_routing_peer (cdp_session=0x7fe6e5ab6910, m=0x7fe6e5435be0) at routing.c:252
#4 0x00007fe70ebcaf8c in AAASendMessage (message=0x7fe6e5435be0, callback_f=0x7fe707a95edc <resume_on_termination_ccr>, callback_param=0x0) at diameter_comm.c:139
#5 0x00007fe707a95b02 in send_ccr_stop_with_param (ro_session=0x7fe6e5ab65e0, code=0, reason=0x7ffe50efb060) at ims_ro.c:1181
#6 0x00007fe707a72ff7 in dlg_terminated (dlg=0x7fe6e623d7a0, type=64, termcode=0, reason=0x7fe707ab72b3 "normal call clearing", _params=0x7fe707f67280 <params>) at dialog.c:249
#7 0x00007fe707a6a729 in dlg_callback_received (dlg=0x7fe6e623d7a0, type=64, _params=0x7fe707f67280 <params>) at dialog.c:25
#8 0x00007fe707d341b9 in run_dlg_callbacks (type=64, dlg=0x7fe6e623d7a0, req=0x7fe70f011100, rpl=0x0, dir=1, dlg_data=0x0) at dlg_cb.c:271
#9 0x00007fe707cf4db4 in dlg_terminated (req=0x7fe70f011100, dlg=0x7fe6e623d7a0, dir=1) at dlg_handlers.c:413
#10 0x00007fe707cfddeb in dlg_onroute (req=0x7fe70f011100, route_params=0x7ffe50efb6d0, param=0x0) at dlg_handlers.c:1097
#11 0x00007fe70ad285f6 in run_rr_callbacks (req=0x7fe70f011100, rr_param=0x7ffe50efb7c0) at rr_cb.c:96
#12 0x00007fe70ad3ae92 in after_loose (_m=0x7fe70f011100, preloaded=0) at loose.c:1021
#13 0x00007fe70ad3b5ce in loose_route_mode (_m=0x7fe70f011100, _mode=0) at loose.c:1056
#14 0x00007fe70ad3f74f in w_loose_route (msg=0x7fe70f011100, p1=0x0, p2=0x0) at rr_mod.c:273
#15 0x00000000004855ff in do_action (h=0x7ffe50efc390, a=0x7fe70efe0d40, msg=0x7fe70f011100) at core/action.c:1121
--
holding lock:
lock_get(peer_list_lock);
waiting for lock:
lock_get(p->lock);
#1 0x00007fe70eba8d4f in futex_get (lock=0x7fe6e4a5cbd0) at ../../core/futexlock.h:121
#2 0x00007fe70ebab0ae in peer_timer (now=1742807320, ptr=0x0) at peermanager.c:286
#3 0x00007fe70ebd0f39 in timer_loop () at timer.c:116
#4 0x00007fe70ebd21b2 in timer_process (returns=0) at timer.c:216
#5 0x00007fe70eb8ccf8 in diameter_peer_start (blocking=0) at diameter_peer.c:350
#6 0x00007fe70eb7cbb2 in cdp_child_init (rank=0) at cdp_mod.c:272
--
holding lock:
lock_get(p->lock)
waiting for lock:
AAASessionsLock
#1 0x00007fe70ebf2597 in futex_get (lock=0x7fe6e4a5d490) at ../../core/futexlock.h:108
#2 0x00007fe70ebf26f1 in AAASessionsLock (hash=0) at session.c:79
#3 0x00007fe70ebf5e6e in cdp_get_session (id=...) at session.c:316
#4 0x00007fe70eba6892 in Snd_Message (p=0x7fe6e4a5c880, msg=0x7fe6e63998d0) at peerstatemachine.c:1237
#5 0x00007fe70eba003e in sm_process (p=0x7fe6e4a5c880, event=Send_Message, msg=0x7fe6e63998d0, peer_locked=0, sock=0) at peerstatemachine.c:429
#6 0x00007fe70ebcbdc6 in AAASendMessage (message=0x7fe6e63998d0, callback_f=0x7fe707a8f208 <resume_on_interim_ccr>, callback_param=0x7fe6e6190a90) at diameter_comm.c:166
#7 0x00007fe707a8edb3 in send_ccr_interim (ro_session=0x7fe6e5399160, used=60, reserve=30) at ims_ro.c:847
#8 0x00007fe707a68bd6 in ro_session_ontimeout (tl=0x7fe6e5399200) at ro_timer.c:513
#9 0x00007fe707a63078 in ro_timer_routine (ticks=114862426, attr=0x0) at ro_timer.c:279
#10 0x00000000004fd33e in compat_old_handler (ti=1837798827, tl=0x7fe6e4cf6260, data=0x7fe6e4cf6260) at core/timer.c:980
#11 0x00000000004fde7a in slow_timer_main () at core/timer.c:1103
#12 0x000000000042e4e7 in main_loop () at main.c:1911
#13 0x000000000043876c in main (argc=10, argv=0x7ffe50f001c8) at main.c:3236
```
In `get_first_connected_route()` in `routing.c` of the cdp module there are two places `get_peer_by_fqdn()` are called. One of them has an unlock/relock of the session list before and after (and a comment about holding two locks at a time), while the other doesn't.
I'm currently testing two version of this. The first by just doing the some relock for the other `get_peer_by_fqdn()`, but this PR got an approach for maybe fixing more latent issues. `sm_process()` also got some strange handling by `Rcv_Process()` after the peer lock is released, which seems to be about the same thing. My deadlock is for the `Snd_Message()` equivalent.
I've now removed this queueing behaviour, and instead doing a re-lock of the peer to (hopefully) have the same locking order as the other operations.
The problem with this thing is how rare it occurs. Just wanted to share my findings for others with more knowledge to the cdp module for comments, suggestions and hopefully some extra testing.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/4191
-- Commit Summary --
* cdp: restructure locking order to prevent rare deadlock
-- File Changes --
M src/modules/cdp/peerstatemachine.c (25)
M src/modules/cdp/routing.c (6)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/4191.patchhttps://github.com/kamailio/kamailio/pull/4191.diff
--
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/pull/4191
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#### Description
Currently `stirshaken` module performs x509 certificate path check twice (when enabled):
- first by calling `stir_shaken_verify_cert_path` directly from the [`stirshaken_mod.c`](https://github.com/kamailio/kamailio/blob/330543f46cbb6bf815ebf77c98378314091197ce/src/modules/stirshaken/stirshaken_mod.c#L626)
- second time from the [`libstirshaken`](https://github.com/signalwire/libstirshaken/blame/cb6ede40b3ce12ab76e370186a14dc141839ef07/src/stir_shaken_verify.c#L445)
`libstirshaken` had the path check built in since approx 2020 ([last commit mentioning it as TODO](https://github.com/signalwire/libstirshaken/blame/552650e31e3dc668069… before the `stir_shaken_verify_cert_path` function was introduced). This shouldn't be an issue since `stirshaken` module was added to Kamailio in 2021.
This PR removes the x509 certificate path check from the `stirshaken_mod.c` by passing the responsibility to perform certificate path check to the `libstirshaken`.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/4202
-- Commit Summary --
* stirshaken: removed repeated x509 certification path check
-- File Changes --
M src/modules/stirshaken/doc/stirshaken_admin.xml (4)
M src/modules/stirshaken/stirshaken_mod.c (17)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/4202.patchhttps://github.com/kamailio/kamailio/pull/4202.diff
--
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/pull/4202
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