[OpenSIPS-Devel] [ opensips-Bugs-3432430 ] Crash on CANCEL when using rtpproxy
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Tue Nov 8 20:57:08 CET 2011
Bugs item #3432430, was opened at 2011-11-02 15:11
Message generated for change (Settings changed) made by bogdan_iancu
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Category: modules
Group: trunk
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ryan Bullock (rrb3942)
>Assigned to: Bogdan-Andrei Iancu (bogdan_iancu)
Summary: Crash on CANCEL when using rtpproxy
Initial Comment:
When processing a CANCEL for a call that has had rtpproxy_offer("froc") called on it opensips crashes. If no calls to rtpproxy_offer are made the call is handled fine.
Important bits of the log, more attached:
CRITICAL:core:free_lump: called on a not free-able lump:0x7fb7094fda38 flags=2
CRITICAL:core:receive_fd: EOF on 10
For some reason a core file is not being generated.
System Information:
Scientific Linux 6.1
Kernel: 2.6.32-131.17.1.el6.x86_64
Opensips Information:
version: opensips 1.7.0-notls (x86_64/linux)
flags: STATS: Off, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
svnrevision: 2:8518M
@(#) $Id: main.c 8265 2011-08-19 16:34:21Z bogdan_iancu $
main.c compiled on 13:56:58 Nov 1 2011 with gcc 4.4.5
This is our cancel handling:
if (is_method("CANCEL")) {
if (t_check_trans()) {
t_relay();
}
exit;
}
Crash seems to happen when the t_relay() is called. Calling unforce_rtp_proxy() before t_relay makes no difference. I have not tried different flag combinations on the rtpproxy_offer().
Thanks.
----------------------------------------------------------------------
>Comment By: Bogdan-Andrei Iancu (bogdan_iancu)
Date: 2011-11-08 11:57
Message:
Hi Ryan,
Do you get a core file ? if so, could you post here the backtrace (do "bt
full" in gdb). If no core is generated, be sure you do "ulimit -c
unlimited" before starting opensips and that the working directory is
writable by opensips.
Also, what is the configuration/parameters of the rtpproxy module ?
Thanks and regards,
Bogdan
----------------------------------------------------------------------
Comment By: Ryan Bullock (rrb3942)
Date: 2011-11-04 11:16
Message:
Also happens on latest trunk.
Looking through the source code to understand the error message, it looks
like a lump with the LUMPFLAG_SHMEM flag is being added somewhere, but I
can't seem to find it.
I attached a debug log from the cancel processing.
----------------------------------------------------------------------
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