Module: kamailio
Branch: master
Commit: 6cd61dfa949ae6288f480efcb72fdb8bb344d93f
URL: https://github.com/kamailio/kamailio/commit/6cd61dfa949ae6288f480efcb72fdb8…
Author: Kamailio Dev <kamailio.dev(a)kamailio.org>
Committer: Kamailio Dev <kamailio.dev(a)kamailio.org>
Date: 2021-10-29T12:46:23+02:00
modules: readme files regenerated - rtpengine ... [skip ci]
---
Modified: src/modules/rtpengine/README
---
Diff: https://github.com/kamailio/kamailio/commit/6cd61dfa949ae6288f480efcb72fdb8…
Patch: https://github.com/kamailio/kamailio/commit/6cd61dfa949ae6288f480efcb72fdb8…
---
diff --git a/src/modules/rtpengine/README b/src/modules/rtpengine/README
index a9caf8951f..4944f8abaa 100644
--- a/src/modules/rtpengine/README
+++ b/src/modules/rtpengine/README
@@ -489,6 +489,7 @@ Chapter 1. Admin Guide
The following modules must be loaded before this module:
* tm module - (optional) if you want to have rtpengine_manage() fully
functional
+ lwsc module - (optional) if you plan to use “wsapi” parameter
3.2. External Libraries or Applications
Module: kamailio
Branch: master
Commit: a602c26fe3c83a0f1b825927be145459a08730e2
URL: https://github.com/kamailio/kamailio/commit/a602c26fe3c83a0f1b825927be14545…
Author: Victor Seva <linuxmaniac(a)torreviejawireless.org>
Committer: Victor Seva <linuxmaniac(a)torreviejawireless.org>
Date: 2021-10-29T12:35:25+02:00
rtpengine: update dependencies
lwsc module is needed if wsapi parameter is set
https://lists.kamailio.org/pipermail/sr-users/2021-October/113494.html
---
Modified: src/modules/rtpengine/doc/rtpengine_admin.xml
---
Diff: https://github.com/kamailio/kamailio/commit/a602c26fe3c83a0f1b825927be14545…
Patch: https://github.com/kamailio/kamailio/commit/a602c26fe3c83a0f1b825927be14545…
---
diff --git a/src/modules/rtpengine/doc/rtpengine_admin.xml b/src/modules/rtpengine/doc/rtpengine_admin.xml
index c3201bbf37..234fd1fa21 100644
--- a/src/modules/rtpengine/doc/rtpengine_admin.xml
+++ b/src/modules/rtpengine/doc/rtpengine_admin.xml
@@ -120,6 +120,10 @@
<emphasis>tm module</emphasis> - (optional) if you want to
have rtpengine_manage() fully functional
</para>
+ <para>
+ <emphasis>lwsc module</emphasis> - (optional) if you plan to use
+ <quote>wsapi</quote> parameter
+ </para>
</listitem>
</itemizedlist>
</para>
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### Description
<!--
Explain what you did, what you expected to happen, and what actually happened.
-->
I found a memory leak which is causing some issues for us in our production. I think I was able to reproduce it and determine that this is happening when we set up an MSRP connection, and that connection is closed due to inactivity (for example when `tcp_connection_lifetime` is triggered).
This issue is the same one than #2875 but with latest supported Kamailio version.
### Troubleshooting
#### Reproduction
<!--
If the issue can be reproduced, describe how it can be done.
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In this environment we have a WebRTC SIP client, connected to Kamailio and a second party using SIP, both sending messages each via MSRP protocol. Web Client and SIP client establish a session normally, all fine here, they can communicate. At this point we have this status:
```
TESTER|centos8.4|tester21 [2021-10-11][12:49:24] [/home/vagrant]$ sudo netstat -natp | grep 10.22.22
tcp 0 0 10.22.22.21:5060 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10000 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:8080 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10001 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10002 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:8080 10.22.22.1:58530 ESTABLISHED 14653/kamailio
tcp 0 0 10.22.22.21:10000 10.22.22.190:42530 ESTABLISHED 14714/kamailio
tcp 0 0 10.22.22.21:8080 10.22.22.1:58532 ESTABLISHED 14704/kamailio
TESTER|centos8.4|tester21 [2021-10-11][12:49:39] [/home/vagrant]$ kamcmd -s udp:127.0.0.1:2046 mod.stats core all | grep tcp
tcpconn_new(1134): 199392
init_tcp(4962): 8192
init_tcp(4956): 32768
init_tcp(4947): 8
init_tcp(4940): 8
init_tcp(4933): 8
init_tcp(4927): 8
init_tcp(4915): 8
```
In order to trigger this failure much faster, I set `tcp_connection_lifetime=60`. Then we just wait 60 seconds to let the TCP connections closed. Then we finish the session, and stop our WebClient registering, so all connections are cleaned up.
```
TESTER|centos8.4|tester21 [2021-10-11][12:50:33] [/home/vagrant]$ sudo netstat -natp | grep 10.22.22
tcp 0 0 10.22.22.21:5060 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10000 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:8080 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10001 0.0.0.0:* LISTEN 14714/kamailio
tcp 0 0 10.22.22.21:10002 0.0.0.0:* LISTEN 14714/kamailio
TESTER|centos8.4|tester21 [2021-10-11][12:51:34] [/home/vagrant]$ kamcmd -s udp:127.0.0.1:2046 mod.stats core all | grep tcp
tcpconn_new(1134): 66464
init_tcp(4962): 8192
init_tcp(4956): 32768
init_tcp(4947): 8
init_tcp(4940): 8
init_tcp(4933): 8
init_tcp(4927): 8
init_tcp(4915): 8
```
As you can see there are no connections but there is memory allocated by `tcpconn_new`. I know this is related to the MSRP because we noticed our SIP Web Client is not closing the socket, so we just wait for Kamailio to close it.
#### 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
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If you are familiar with gdb, feel free to attach more of what you consider to
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```
(paste your debugging data here)
```
#### Log Messages
<!--
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-->
```
2021-07-25T23:54:41Z ERROR ERROR: <core> [mem/f_malloc.c:415]: fm_search_defrag(): fm_search_defrag(0x7f39a284c000, 66288); Free fragment not found!
2021-07-25T23:54:41Z ERROR ERROR: <core> [mem/f_malloc.c:498]: fm_malloc(): fm_malloc(0x7f39a284c000, 66288) called from core: tcp_main.c: tcpconn_new(957), module: core; Free fragment not found!
2021-07-25T23:54:41Z ERROR ERROR: <core> [tcp_main.c:959]: tcpconn_new(): mem. allocation failure
2021-07-25T23:54:41Z ERROR ERROR: <core> [tcp_main.c:3985]: handle_new_connect(): tcpconn_new failed, closing socket
```
#### SIP Traffic
<!--
If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
-->
```
(paste your sip traffic here)
```
### Possible Solutions
<!--
If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix.
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### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: intcc 5.5.2 (x86_64/linux) 55e232
flags: , EXTRA_DEBUGUSE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 55e232
compiled on 12:15:14 Oct 11 2021 with gcc 8.4.1
```
* **Operating System**:
<!--
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Kernel details (output of `lsb_release -a` and `uname -a`)
-->
```
TESTER|centos8.4|tester21 [2021-10-11][13:52:47] [/home/vagrant]$ uname -a
Linux tester21 4.18.0-305.19.1.el8_4.x86_64 #1 SMP Wed Sep 15 15:39:39 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
centos 8
```
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#### Pre-Submission Checklist
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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
- [x] Commits are split per component (core, individual modules, libs, utils, ...)
- [x] Each component has a single commit (if not, squash them into one commit)
- [x] No commits to README files for modules (changes must be done to docbook files
in `doc/` subfolder, the README file is autogenerated)
#### Type Of Change
- [x] Small bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
<!-- Go over all points below, and after creating the PR, tick the checkboxes that apply -->
- [ ] PR should be backported to stable branches
- [x] Tested changes locally
- [x] Related to issue #2906
#### Description
This change solves the issue of parallel forking, subscriber
was receiving NOTIFY messages with the same id for different branches
fixes #2906
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/2908
-- Commit Summary --
* <a href="https://github.com/kamailio/kamailio/pull/2908/commits/8a924ee177b4764cd5da…">pua_dialoginfo: generate uuid as id instead of use callid value</a>
-- File Changes --
M src/modules/pua_dialoginfo/Makefile (11)
M src/modules/pua_dialoginfo/dialog_publish.c (18)
M src/modules/pua_dialoginfo/pua_dialoginfo.c (47)
M src/modules/pua_dialoginfo/pua_dialoginfo.h (9)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/2908.patchhttps://github.com/kamailio/kamailio/pull/2908.diff
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