9 Nov
2023
9 Nov
'23
4:53 p.m.
### Description
We have updated one system from a Ubuntu Focal 5.6.x container to a Ubuntu Jammy 5.7.2
container. In the last 24 hours, we saw three crashes. The logs of the last crash say:
```
Nov 09 20:39:34 sipproxy /usr/sbin/kamailio[4332]: CRITICAL: <core>
[core/mem/q_malloc.c:519]: qm_free(): BUG: freeing already freed pointer
(0x7f[4434056180](tel:4434056180)), called from tls: tls_init.c: ser_free>
Nov 09 20:39:34 sipproxy /usr/sbin/kamailio[4331]: CRITICAL: <core>
[core/mem/q_malloc.c:123]: qm_debug_check_frag(): BUG: qm: fragm.
0x7f[44340561](tel:44340561)d0 (address 0x7f[4434056208](tel:4434056208)) beginning
overwritten >
Nov 09 20:39:43 sipproxy /usr/sbin/kamailio[4273]: ALERT: <core> [main.c:776]:
handle_sigs(): child process 4331 exited by a signal 6
Nov 09 20:39:43 sipproxy /usr/sbin/kamailio[4273]: ALERT: <core> [main.c:779]:
handle_sigs(): core was generated
```
#### Debugging Data
Backtraces of the three crashes are attached.
[kamailio-crash1.log](https://github.com/kamailio/kamailio/files/13313115/ka…
[kamailio-crash2.log](https://github.com/kamailio/kamailio/files/13313116/ka…
[kamailio-crash3.log](https://github.com/kamailio/kamailio/files/13313117/ka…
### Additional Information
We are using the official Kamailio debian packages.
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.7.2 (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 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`)
-->
```
root@sipproxy:/WORKSPACE/sipproxy-container# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
root@sipproxy:/WORKSPACE/sipproxy-container# uname -a
Linux sipproxy 5.15.0-87-generic #97-Ubuntu SMP Mon Oct 2 21:09:21 UTC 2023 x86_64 x86_64
x86_64 GNU/Linux
```
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