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### Description
Kamailio segfaults on startup. After a bit of digging, it looks like the issue is caused by trying to publish something related to an expired dalog which is present in the database:
```
kamailio=# select * from dialog;
id | hash_entry | hash_id | callid | from_uri | from_tag | to_uri | to_tag | caller_cseq |
callee_cseq | caller_route_set | callee_route_set | caller_contact |
callee_contact | caller_sock | callee_sock | state | start_time | timeout | sflags | iflags | toroute_name | req_ur
i | xdata
----+------------+---------+---------------------------+------------------------------+----------+-------------------------------------------+---------------+-------------+-
------------+--------------------------------------------+------------------+---------------------------------------------------------------------------+--------------------
-----------------------------------+----------------------+----------------------+-------+------------+------------+--------+--------+--------------+------------------------
-------------------+-------
90 | 3720 | 11295 | msowdcchfzrlapg@localhost | sip:101@example.voismart.com | msfvz | sip:*9001*0039123456@example.voismart.com | HBQj442BFrH0N | 131 |
0 | <sip:172.23.42.1;lr=on;ftag=msfvz;nat=yes> | | sip:101_example_voismart_com@172.23.42.1:5065;alias=192.168.1.201~32878~1 | sip:*9001*003912345
6@172.23.42.211:5060;transport=udp | udp:172.23.42.3:5060 | udp:172.23.42.3:5060 | 4 | 1706715542 | 1706801943 | 0 | 1 | | sip:*9001*0039123456@ex
ample.voismart.com |
(1 row)
```
### Troubleshooting
#### 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.
-->
```
(gdb) bt full
#0 0x00007f193de1bc93 in free_str_list_all (del_current=0x2e656c706d617865) at /usr/local/src/pkg/src/modules/pua_dialoginfo/pua_dialoginfo.c:1109
del_next = <optimized out>
__func__ = "free_str_list_all"
#1 0x00007f193de1ebc6 in free_dlginfo_cell (param=0x7f1942265dc8) at /usr/local/src/pkg/src/modules/pua_dialoginfo/pua_dialoginfo.c:1079
cell = 0x7f1942265dc8
cell = <optimized out>
__func__ = <optimized out>
#2 free_dlginfo_cell (param=0x7f1942265dc8) at /usr/local/src/pkg/src/modules/pua_dialoginfo/pua_dialoginfo.c:1070
cell = 0x0
__func__ = "free_dlginfo_cell"
#3 0x00007f1940b7120b in destroy_dlg_callbacks_list (cb=0x0) at /usr/local/src/pkg/src/modules/dialog/dlg_cb.c:74
cb_t = 0x7f1942266050
__func__ = "destroy_dlg_callbacks_list"
#4 0x00007f1940ba5229 in destroy_dlg (dlg=0x7f1941b1a8a0) at /usr/local/src/pkg/src/modules/dialog/dlg_hash.c:369
ret = <optimized out>
var = <optimized out>
__func__ = "destroy_dlg"
#5 0x00007f1940ba6b08 in destroy_dlg_table () at /usr/local/src/pkg/src/modules/dialog/dlg_hash.c:436
dlg = 0x0
l_dlg = <optimized out>
i = 3720
__func__ = <optimized out>
#6 destroy_dlg_table () at /usr/local/src/pkg/src/modules/dialog/dlg_hash.c:422
dlg = <optimized out>
l_dlg = <optimized out>
i = <optimized out>
__func__ = "destroy_dlg_table"
#7 0x00007f1940b57b06 in mod_destroy () at /usr/local/src/pkg/src/modules/dialog/dialog.c:871
No locals.
#8 0x000055dd96a6d1e2 in destroy_modules () at core/sr_module.c:872
t = 0x7f1949d9d5f0
foo = 0x7f1949d94710
__func__ = "destroy_modules"
#9 0x000055dd96864d01 in cleanup (show_status=1) at /usr/local/src/pkg/src/main.c:573
memlog = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
__func__ = "cleanup"
#10 0x000055dd96c92a4d in shutdown_children.constprop.0 (show_status=show_status@entry=1, sig=15) at /usr/local/src/pkg/src/main.c:721
__func__ = <optimized out>
#11 0x000055dd9685fcd5 in handle_sigs () at /usr/local/src/pkg/src/main.c:821
chld = <optimized out>
chld_status = 139
any_chld_stopped = <optimized out>
memlog = <optimized out>
__func__ = "handle_sigs"
#12 0x000055dd96868aa4 in main_loop () at /usr/local/src/pkg/src/main.c:1988
i = <optimized out>
pid = <optimized out>
si = <optimized out>
si_desc = "udp receiver child=31 sock=172.23.42.3:9999\000\335U\000\000\000\260\312I\031\177\000\000\003\000\000\000\377\377\377\377\004\220\312\226\335U\000\000\004\000\000\000\031\177\000\000\003\000\000\000\000\000\000\000\t\000\000\000\000\000\000\000Tue Feb \000\023&\252U\314\342\207:34 2024\005\000\000\000\000\000\000"
nrprocs = <optimized out>
woneinit = 1
error = <optimized out>
__func__ = "main_loop"
#13 0x000055dd96859ffc in main (argc=<optimized out>, argv=<optimized out>) at /usr/local/src/pkg/src/main.c:3212
cfg_stream = <optimized out>
c = <optimized out>
r = <optimized out>
tmp = 0x7ffe9d9b7db4 ""
tmp_len = 1274056464
port = 32537
proto = 1275323104
ahost = 0x0
aport = 0
options = 0x55dd96cac300 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:"
ret = -1
seed = 3377142042
rfd = <optimized out>
debug_save = <optimized out>
debug_flag = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
dont_fork_cnt = <optimized out>
n_lst = <optimized out>
p = <optimized out>
st = {st_dev = 194, st_ino = 570312884, st_nlink = 2, st_mode = 16872, st_uid = 101, st_gid = 101, __pad0 = 0, st_rdev = 0, st_size = 6, st_blksize = 4096,
st_blocks = 0, st_atim = {tv_sec = 1707216241, tv_nsec = 46870706}, st_mtim = {tv_sec = 1707216227, tv_nsec = 573144090}, st_ctim = {tv_sec = 1707216227,
tv_nsec = 573144090}, __glibc_reserved = {0, 0, 0}}
tbuf = '\000' <repeats 16 times>, '/' <repeats 16 times>, "\230\r", '\000' <repeats 14 times>, "`", '\000' <repeats 15 times>, "\001", '\000' <repeats 143 times>...
option_index = 12
__func__ = "main"
long_options = {{name = 0x55dd96cabfe2 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x55dd96cb3dc8 "version", has_arg = 0, flag = 0x0, val = 118}, {
name = 0x55dd96cc3731 "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x55dd96cabfe7 "subst", has_arg = 1, flag = 0x0, val = 1025}, {
name = 0x55dd96cabfed "substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x55dd96cabff6 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {
name = 0x55dd96cac000 "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x55dd96cac00a "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {
name = 0x55dd96cac015 "modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x55dd96cac01e "log-engine", has_arg = 1, flag = 0x0, val = 1031}, {
name = 0x55dd96cb3ee5 "debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x55dd96cac029 "cfg-print", has_arg = 0, flag = 0x0, val = 1033}, {
name = 0x55dd96cac033 "atexit", has_arg = 1, flag = 0x0, val = 1034}, {name = 0x55dd96cac03a "all-errors", has_arg = 0, flag = 0x0, val = 1035}, {name = 0x0,
has_arg = 0, flag = 0x0, val = 0}}
(gdb) info locals
del_next = <optimized out>
__func__ = "free_str_list_all"
(gdb) list
1104 in /usr/local/src/pkg/src/modules/pua_dialoginfo/pua_dialoginfo.c
```
#### Log Messages
<!--
Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
-->
```
65(75) DEBUG: dialog [dlg_timer.c:232]: get_expired_dlgs(): start with tl=0x7f1941b1a900 tl->prev=0x7f1941a084d8 tl->next=0x7f1941a084d8 (45536602) at 45536603 and end with end=0x7f1941a084d8 end->prev=0x7f1941b1a900 end->next=0x7f1941b1a900
65(75) DEBUG: dialog [dlg_timer.c:237]: get_expired_dlgs(): getting tl=0x7f1941b1a900 tl->prev=0x7f1941a084d8 tl->next=0x7f1941a084d8 with 45536602
65(75) DEBUG: dialog [dlg_timer.c:243]: get_expired_dlgs(): end with tl=0x7f1941a084d8 tl->prev=0x7f1941b1a900 tl->next=0x7f1941b1a900 and d_timer->first.next->prev=(nil)
65(75) DEBUG: dialog [dlg_timer.c:280]: dlg_timer_routine(): tl=0x7f1941b1a900 next=(nil)
65(75) DEBUG: dialog [dlg_cb.c:267]: run_dlg_callbacks(): dialog=0x7f1941b1a8a0, type=64
65(75) DEBUG: pua_dialoginfo [pua_dialoginfo.c:395]: __dialog_sendpublish(): dialog over, from=sip:101@example.voismart.com
65(75) DEBUG: pua_dialoginfo [dialog_publish.c:410]: dialog_publish_multi(): CALLING dialog_publish for URI
65(75) DEBUG: <core> [core/parser/parse_uri.c:1389]: parse_uri(): bad uri, state 0 parsed: <> (4) / <> (28)
65(75) ERROR: pua_dialoginfo [dialog_publish.c:303]: dialog_publish(): failed to parse the PUBLISH R-URI
123(133) CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 133
123(133) DEBUG: <core> [core/tcp_main.c:3955]: handle_ser_child(): dead child 65, pid 75 (shutting down?)
123(133) DEBUG: <core> [core/io_wait.h:597]: io_watch_del(): DBG: io_watch_del (0x55dd96e1fba0, 133, -1, 0x0) fd_no=157 called
0(1) ALERT: <core> [main.c:791]: handle_sigs(): child process 75 exited by a signal 11
0(1) ALERT: <core> [main.c:795]: handle_sigs(): core was generated
0(1) INFO: <core> [main.c:818]: handle_sigs(): terminating due to SIGCHLD
2(12) INFO: <core> [main.c:874]: sig_usr(): signal 15 received
3(13) INFO: <core> [main.c:874]: sig_usr(): signal 15 received
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.7.4 (x86_64/linux) dc393e
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, 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: dc393e
compiled with gcc 11.4.0
```
* **Operating System**:
<!--
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `lsb_release -a` and `uname -a`)
-->
```
Linux c7a9e0ef942e 6.6.13-200.fc39.x86_64 #1 SMP PREEMPT_DYNAMIC Sat Jan 20 18:03:28 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
```
Running in a Docker container based on Ubuntu Jammy which builds kamailio from git tag 5.7.4.
--
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/3743
You are receiving this because you are subscribed to this thread.
Message ID: <kamailio/kamailio/issues/3743(a)github.com>
After the transaction was suspended, 1st user registered, got INVITE message, there is 2nd user wakes up and send REGISTER.
Kamailio check if transaction suspended (for 2nd user, it is not suspended anymore), and checks if there is stored transaction.
So, for 2nd user we have stored transaction, then it should append new branch. ts_append failed.
if ($var(suspended) == 0) {
if ($var(stored)) {
# no suspended INVITE (i.e. there was at least one
# registered contact for target) and 'stored' set
# (i.e. ongoing transaction) -> this newly just
# registered contact needs alerting.
ts_append("location", "sip:$avp(extension)@LOCALVIRTUALIP");
xinfo("appending branches for sip:$avp(extension)@LOCALVIRTUALIP, result $rc");
} else {
xinfo("no suspended transactions for $tu");
}
return;
}
Mar 10 21:07:11 stage-webrtc-kama-01 /usr/sbin/kamailio[4067482]: INFO: [t3jutj5k1na4eir1o8pvk9 REGISTER WAKE_SUSPENDED:1:1339] <script>: -----------122583d4102d400d8565c6f48d217b8d
Mar 10 21:07:11 stage-webrtc-kama-01 /usr/sbin/kamailio[4067482]: INFO: [t3jutj5k1na4eir1o8pvk9 REGISTER WAKE_SUSPENDED:1:1348] <script>: var(suspended)=0, tsilo=>suspended::122583d4102d400d8565c6f48d217b8d
Mar 10 21:07:11 stage-webrtc-kama-01 /usr/sbin/kamailio[4067482]: INFO: [t3jutj5k1na4eir1o8pvk9 REGISTER WAKE_SUSPENDED:1:1349] <script>: var(stored)=1, tsilo=>stored::122583d4102d400d8565c6f48d217b8d
Mar 10 21:07:11 stage-webrtc-kama-01 /usr/sbin/kamailio[4067482]: ERROR: [t3jutj5k1na4eir1o8pvk9 REGISTER WAKE_SUSPENDED:1:1357] tsilo [ts_append.c:152]: ts_append_to(): transaction 11743:1310842517: error updating dset (-1)
Mar 10 21:07:11 stage-webrtc-kama-01 /usr/sbin/kamailio[4067482]: INFO: [t3jutj5k1na4eir1o8pvk9 REGISTER WAKE_SUSPENDED:1:1359] <script>: appending branches for sip:1000@10.160.201.190, result 1
At this moment we have active transaction
`{
cell: 0x7f313d43cda8
tindex: 11743
tlabel: 1310842517
method: INVITE
from: From: "9988" <sip:9988@10.156.0.6>;tag=as081c0936
to: To: <sip:1000@10.160.201.190:5070>
callid: Call-ID: 66d9dace125df36915783fb379f4e3dd@10.156.0.6:5060
cseq: CSeq: 102
uas_request: yes
tflags: 69
outgoings: 3
ref_count: 1
lifetime: 5402832
}
`
--
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/3782
You are receiving this because you are subscribed to this thread.
Message ID: <kamailio/kamailio/issues/3782(a)github.com>
### Description
We have a quite basic scenario which sends a SIP MESSAGE and then receives SIP MESSAGE back. It also sets up two voice calls using SIP INVITE. It is only this specific scenario that is causing the core dump. Some time the core dump occur just a few seconds after the call/message scenario, but occasionally it takes up to 50 minutes.
We have been using the uac module for sending SIP MESSAGE in several other scenarios without experiencing a crash.
We always see the same lines in the log just prior to the core dump: CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 49
We are using Kamailio 5.6 retrieved from the kamailio repository: http://deb.kamailio.org/kamailio56. We are running Kamailio in a Docker container which runs on "5.10.0-25-cloud-amd64 #1 SMP Debian 5.10.191-1 (2023-08-16) x86_64 GNU/Linux"
We have also tried Kamailio 5.7 from the same repo which crashes in exactly the same way.
### Troubleshooting
#### Reproduction
We have troubles to consistently reproduce it and it only happen from time to time when running a specific scenario sending SIP MESSAGE using the uac module. It does not happen for every call of this call scenario. At one instance Kamailo crashed with just 15 seconds in-between during the call scenario.
#### Debugging Data
```
# gdb /usr/sbin/kamailio /core
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/sbin/kamailio...
(No debugging symbols found in /usr/sbin/kamailio)
warning: Can't open file /dev/zero (deleted) during file-backed mapping note processing
[New LWP 4777]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/sbin/kamailio -DD -M 18 -m 192 -A serverId=17173 -A sendTraceLocal="sip:10'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 __strlen_evex () at ../sysdeps/x86_64/multiarch/strlen-evex.S:77
77 ../sysdeps/x86_64/multiarch/strlen-evex.S: No such file or directory.
(gdb) bt full
#0 __strlen_evex () at ../sysdeps/x86_64/multiarch/strlen-evex.S:77
No locals.
#1 0x00007f5425e34b78 in __vfprintf_internal (s=s@entry=0x55a06e969a60,
format=format@entry=0x55a06e558020 "%s: %.*s%s%s%sBUG: qm: fragm. %p (address %p) beginning overwritten (%lx)! Memory allocator was called from %s:%u. Fragment marked by %s:%lu. Exec from %s:%u.\n",
ap=ap@entry=0x7ffd6bebfb50, mode_flags=mode_flags@entry=0) at vfprintf-internal.c:1647
len = <optimized out>
step0_jumps = {0, 1717, 1621, 3413, 3317, 3997, 2677, 2837, 3613, 1773, 4309, 4445, 3517, 4437, 4389, 2789, 4197, 3917, 3221, 2997, 1141, 1365, 1997, 1925, 1885, 733, 3709, 533, 533, 4101}
space = <optimized out>
is_short = <optimized out>
use_outdigits = 0
outc = <optimized out>
step1_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 1773, 4309, 4445, 3517, 4437, 4389, 2789, 4197, 3917, 3221, 2997, 1141, 1365, 1997, 1925, 1885, 733, 3709, 533, 533, 0}
group = 0
prec = -1
step2_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4309, 4445, 3517, 4437, 4389, 2789, 4197, 3917, 3221, 2997, 1141, 1365, 1997, 1925, 1885, 733, 3709, 533, 533, 0}
string = 0x756d6f7266222c22 <error: Cannot access memory at address 0x756d6f7266222c22>
left = 0
is_long_double = <optimized out>
width = 0
signed_number = <optimized out>
step3a_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4213, 0, 0, 0, 4389, 2789, 4197, 3917, 3221, 0, 0, 0, 0, 1925, 0, 0, 0, 0, 0, 0}
alt = <optimized out>
showsign = 0
is_long = 0
is_char = <optimized out>
pad = <optimized out>
step3b_jumps = {0 <repeats 11 times>, 3517, 0, 0, 4389, 2789, 4197, 3917, 3221, 2997, 1141, 1365, 1997, 1925, 1885, 733, 3709, 0, 0, 0}
step4_jumps = {0 <repeats 14 times>, 4389, 2789, 4197, 3917, 3221, 2997, 1141, 1365, 1997, 1925, 1885, 733, 3709, 0, 0, 0}
args_value = <optimized out>
is_negative = <optimized out>
number = {longlong = <optimized out>, word = <optimized out>}
base = <optimized out>
the_arg = {pa_wchar = 4777 L'\x12a9', pa_int = 4777, pa_long_int = 4777, pa_long_long_int = 4777, pa_u_int = 4777, pa_u_long_int = 4777, pa_u_long_long_int = 4777,
pa_double = 2.3601515901836347e-320, pa_long_double = 1.74131181638025811763e-4947, pa_float128 = 3.09319115455554459548860449034534676e-4962,
pa_string = 0x12a9 <error: Cannot access memory at address 0x12a9>, pa_wstring = 0x12a9 <error: Cannot access memory at address 0x12a9>, pa_pointer = 0x12a9, pa_user = 0x12a9}
spec = 115 's'
_buffer = {__routine = 0x4, __arg = 0xd, __canceltype = 1855363680, __prev = 0xe0}
_avail = <optimized out>
thousands_sep = 0x0
grouping = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>
done = 238
f = 0x55a06e5580a7 "s:%lu. Exec from %s:%u.\n"
lead_str_end = 0x55a06e558020 "%s: %.*s%s%s%sBUG: qm: fragm. %p (address %p) beginning overwritten (%lx)! Memory allocator was called from %s:%u. Fragment marked by %s:%lu. Exec from %s:%u.\n"
end_of_spec = <optimized out>
work_buffer = "h\r\000\000\000\000\000\000\000\000\000\000\060\000\000\000\000\000\000\000\375\177\000\000 \372\353k\375\177\000\000\237MSn\n\000\000\000\000\000\000\000\240U", '\000' <repeats 18 times>, "P\225Un\240U\000\000\000\000\000\000[\214A\323\f\000\000\000\000\000\000\000\377\377\377\377\377\377\377\377\206\002", '\000' <repeats 14 times>, "\004\000\000\000\000\000\000\000 \367\353k\375\177\000\000\301\225Un\240U\000\000\323\262\vn\240U\000\000\000\000\000\000\000\000\000\000s\374On\240U\000\000W\225Un\240U\000\000\350>\212\027T\177\000\000 \323\365$T\177\000\000\060\a\354k\375\177\000\00--Type <RET> for more, q to quit, c to continue without paging--
0\220\371\227n\240U\000\000"...
workend = 0x7ffd6bebf9f8 ""
ap_save = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7ffd6bebfc30, reg_save_area = 0x7ffd6bebfb70}}
nspecs_done = 10
save_errno = 4
readonly_format = 0
do_longlong_number = <optimized out>
__result = <optimized out>
#2 0x00007f5425ec079f in __vsyslog_internal (pri=<optimized out>,
fmt=0x55a06e558020 "%s: %.*s%s%s%sBUG: qm: fragm. %p (address %p) beginning overwritten (%lx)! Memory allocator was called from %s:%u. Fragment marked by %s:%lu. Exec from %s:%u.\n",
ap=0x7ffd6bebfb50, mode_flags=0) at ../misc/syslog.c:233
now_tm = {tm_sec = 8, tm_min = 18, tm_hour = 12, tm_mday = 23, tm_mon = 0, tm_year = 124, tm_wday = 2, tm_yday = 22, tm_isdst = 0, tm_gmtoff = 0, tm_zone = 0x55a06e94c5e0 "UTC"}
now = 1706012288
fd = <optimized out>
f = 0x55a06e969a60
buf = 0x0
bufsize = 0
msgoff = 21
saved_errno = <optimized out>
failbuf = "`\232\226n\240U\000\000\000\204\201\247[\214A\323`\374\353k\375\177\000\000\300p\371%T"
clarg = {buf = <optimized out>, oldaction = <optimized out>}
#3 0x00007f5425ec0c46 in __syslog (pri=<optimized out>, fmt=<optimized out>) at ../misc/syslog.c:117
ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffd6bebfc70, reg_save_area = 0x7ffd6bebfb70}}
#4 0x000055a06e3b7839 in ?? ()
No symbol table info available.
#5 0x000055a06e3bc039 in qm_free ()
No symbol table info available.
#6 0x000055a06e3c7c28 in qm_shm_free ()
No symbol table info available.
#7 0x00007f542325fb8e in uac_send_tm_callback () from /usr/lib/x86_64-linux-gnu/kamailio/modules/uac.so
No symbol table info available.
#8 0x00007f5424a2f002 in run_trans_callbacks_internal () from /usr/lib/x86_64-linux-gnu/kamailio/modules/tm.so
No symbol table info available.
#9 0x00007f5424a2f179 in run_trans_callbacks () from /usr/lib/x86_64-linux-gnu/kamailio/modules/tm.so
No symbol table info available.
#10 0x00007f54249d5e8c in free_cell_helper () from /usr/lib/x86_64-linux-gnu/kamailio/modules/tm.so
No symbol table info available.
#11 0x00007f5424aa8f82 in wait_handler () from /usr/lib/x86_64-linux-gnu/kamailio/modules/tm.so
No symbol table info available.
#12 0x000055a06e37a263 in ?? ()
No symbol table info available.
#13 0x000055a06e37a79d in ?? ()
No symbol table info available.
#14 0x000055a06e37acc6 in timer_main ()
No symbol table info available.
#15 0x000055a06e0a5f62 in main_loop ()
No symbol table info available.
--Type <RET> for more, q to quit, c to continue without paging--
#16 0x000055a06e0b120c in main ()
No symbol table info available.
(gdb) info locals
No locals.
(gdb) list
72 in ../sysdeps/x86_64/multiarch/strlen-evex.S
```
#### Log Messages
```
Log file:
2024-01-23T13:18:08.828+01:00 Jan 23 12:18:08 /usr/sbin/kamailio[4789]: INFO: <script>: Incoming SIP TCP request conid 21 call-id un0rihsRLJLvP-grn6LO-A
2024-01-23T13:18:08.835+01:00 Jan 23 12:18:08 /usr/sbin/kamailio[4789]: INFO: <script>: Incoming SIP TCP request conid 21 call-id WQjhldpRJbxjZRYe7fWgbw
2024-01-23T13:18:08.860+01:00 Jan 23 12:18:08 /usr/sbin/kamailio[4795]: CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 49
2024-01-23T13:18:09.486+01:00 Jan 23 12:18:09 /usr/sbin/kamailio[4751]: ALERT: <core> [main.c:783]: handle_sigs(): child process 4777 exited by a signal 11
2024-01-23T13:18:09.486+01:00 Jan 23 12:18:09 /usr/sbin/kamailio[4751]: ALERT: <core> [main.c:787]: handle_sigs(): core was generated
2024-01-23T13:18:09.516+01:00 Jan 23 12:18:09 /usr/sbin/kamailio[4751]: INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized
2024-01-23T13:18:09.570+01:00 Started /root/sipconfig/startkamailio.sh
2024-01-23T13:18:09.570+01:00 info: :-) Starting Kamailio
```
#### SIP Traffic
### Possible Solutions
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
# /usr/sbin/kamailio -v
version: kamailio 5.6.5 (x86_64/linux)
flags: USE_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, 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: unknown
compiled with gcc 10.2.1
```
* **Operating System**:
```
# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 11 (bullseye)
Release: 11
Codename: bullseye
Linux ip-nn-nn-nn-nn 5.10.0-25-cloud-amd64 #1 SMP Debian 5.10.191-1 (2023-08-16) x86_64 GNU/Linux
```
--
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<!-- Kamailio Pull Request Template -->
<!--
IMPORTANT:
- for detailed contributing guidelines, read:
https://github.com/kamailio/kamailio/blob/master/.github/CONTRIBUTING.md
- pull requests must be done to master branch, unless they are backports
of fixes from master branch to a stable branch
- backports to stable branches must be done with 'git cherry-pick -x ...'
- code is contributed under BSD for core and main components (tm, sl, auth, tls)
- code is contributed GPLv2 or a compatible license for the other components
- GPL code is contributed with OpenSSL licensing exception
-->
#### Pre-Submission Checklist
<!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply -->
<!-- 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 -->
- [X] PR should be backported to stable branches
- [X] Tested changes locally
- [ ] Related to issue #XXXX (replace XXXX with an open issue number)
#### Description
We noticed that configuration option tcp_accept_iplimit was included in newer kamailio versions (most notably 5.7.4), and it was a breaking change for us. Added sample configuration value in /etc/kamailio.cfg file - already tested in our production deployment.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/3792
-- Commit Summary --
* tcp/docs: Added tcp_accept_iplimit config sample
-- File Changes --
M etc/kamailio.cfg (3)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/3792.patchhttps://github.com/kamailio/kamailio/pull/3792.diff
--
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Message ID: <kamailio/kamailio/pull/3792(a)github.com>
### Description
Hello. Probably I'm doing something wrong but I can't get rid of **received** parameter in the **Via** header in responses from kamailio by websocket transport.
According [RFC 7118](https://datatracker.ietf.org/doc/rfc7118/):
``
When a SIP WebSocket Server receives a request, it MAY decide not
to add a "received" parameter to the top Via header. Therefore,
SIP WebSocket Clients MUST accept responses without such a
parameter in the top Via header regardless of whether the **Via**
"sent-by" field contains a domain name.
``
### Expected behavior
For responses to websocket transport have a way to not add **received** parameter in **Via** header
#### Actual observed behavior
Responses to OPTION or REGISTER methods trough websocket got **received** containing IP we want to not show to the end users.
### Possible Solutions
maybe add a param in **tm** module or something
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.2.1 (x86_64/linux)
```
and
```
kamailio 5.6.1 (x86_64/linux) b36a13
```
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### Description
<!--
Explain what you did, what you expected to happen, and what actually happened.
- we migrated rtpengine urls from udp to websocket, so that kamailio is communicating to rtpengine overwebsocket to manage the offer and answer. however we observed that, tcp reciever process is consuming pkg memory as, traffic increased, but when traffic is idle then its not getting freed automatically. and eventually its consume all memory.
-
-
-->
### Troubleshooting
- as checked further we particulartly tcp reciever process was consuming pkg memory , then further we checked from corex pkg_sumary for that process id, and found that rtpengine: rtpengine.c: send_rtpp_command was consuming highest memory.
#### Reproduction
console rtpengine url with ws endpoint.
<!--
If the issue can be reproduced, describe how it can be done.
-->
this is reproducible, we can configure websocket in rtpengine module and then we can initate calls. and increase the number of calls over the period of time
#### Debugging Data
<img width="1399" alt="Screenshot 2024-03-06 at 4 30 16 PM" src="https://github.com/kamailio/kamailio/assets/115363081/0904892e-6a6e-4dc1-85…">
kamcmd pkg.stats
entry: 24
pid: 378355
rank: 17
used: 7467640
free: 24348320
real_used: 9206112
total_size: 33554432
total_frags: 66
desc: tcp receiver (generic) child=0
kamcmd corex.pkg_summary pid 378355
Mar 6 16:31:52 coreproxy-4 /usr/local/sbin/kamailio[378355]: ALERT: qm_sums: qm_sums(): count= 8075 size= 4638760 bytes from rtpengine: rtpengine.c: send_rtpp_command(3040)
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
(paste your output here)
version: kamailio 5.7.0 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, 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: unknown
compiled on 01:04:28 Jan 25 2024 with gcc 9.4.0
```
* **Operating System**:
<!--
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `lsb_release -a` and `uname -a`)
-->
```
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
Linux coreproxy-4 5.15.0-1045-oracle #51~20.04.1-Ubuntu SMP Fri Sep 22 14:25:26 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
```
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