24 Jan
2014
24 Jan
'14
6:39 p.m.
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A new Flyspray task has been opened. Details are below.
User who did this - Seudin Kasumovic (seudin)
Attached to Project - sip-router
Summary - bt:<code>Program terminated with signal 6, Aborted. (kamailio 4.1.1)
Task Type - Bug Report
Category - Core
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Normal
Reported Version - Development
Due in Version - Undecided
Due Date - Undecided
Details - Hi all,
kamailio is compiled with mode=debug. I happens when 487 Request Cancelled received.
Abort is raised in script_cb:167
<code>162 unsigned int flags;
163
164 #ifdef EXTRA_DEBUG
165 if (type >= SCRIPT_CB_NUM) {
166 LOG(L_BUG, "exec_pre_script_cb: Uknown callback type\n");
167 abort();
168 }
169 #endif
170 flags = PRE_SCRIPT_CB | (1<<(type-1));
171 for (cb=pre_script_cb[type-1]; cb ; cb=cb->next ) {</code>
Check in line 165 is wrong. The BRANCH_FAILURE_CB_TYPE is added in commit
0b79baecf4a36a47522fd222614e370c5d044e8f.
check should be: <code>type > SCRIPT_CB_NUM</code> (or type-1 >=
SCRIPT_CB_NUM, or type >= MAX_CB_TYPE),
because pre_script_cb is always accessed by [type-1] (e.g. see line=171).
SCRIPT_CB_NUM is defined here:
script_cb.c:56:#define SCRIPT_CB_NUM (MAX_CB_TYPE-1)</code>
and used for allocate space:
<code>script_cb.c:58:static struct script_cb *pre_script_cb[SCRIPT_CB_NUM];
script_cb.c:59:static struct script_cb *post_script_cb[SCRIPT_CB_NUM];</code>
bt:<code>Program terminated with signal 6, Aborted.
#0 0xb776a430 in __kernel_vsyscall ()
(gdb) bt
#0 0xb776a430 in __kernel_vsyscall ()
#1 0xb75ef241 in raise () from /lib/libc.so.6
#2 0xb75f0a1e in abort () from /lib/libc.so.6
#3 0x08168475 in exec_pre_script_cb (msg=0xb6dcdc60 <faked_req.10511>,
type=BRANCH_FAILURE_CB_TYPE) at script_cb.c:167
#4 0xb6d5a938 in free_faked_req (faked_req=0xb553914c, t=0xb72e1904) at t_reply.c:996
#5 0xb6d5b85b in run_branch_failure_handlers (t=0xb553914c, rpl=0x1e7, code=0,
extra_flags=-1074577000) at t_reply.c:1122
#6 0xb6d5d785 in t_retransmit_reply (t=0xb553914c) at t_reply.c:1609
#7 0xb6d60703 in reply_received (p_msg=0xb72e1904) at t_reply.c:2255
#8 0x080e7d25 in forward_request (msg=0xb72e1904, dst=0x0, port=0, send_info=0x0) at
forward.c:552
#9 0x080e8599 in forward_request (msg=0xb72e1904, dst=0x3, port=5210,
send_info=0x8233d40) at forward.c:614
#10 0x08136aa0 in receive_msg (
buf=0x82958e0 <buf.6058> "SIP/2.0 487 Request Cancelled\r\nVia: SIP/2.0/UDP
127.0.0.1:5070;rport=5070;branch=z9hG4bK47b3.e74da0151135f7c0ee995dcc0f877c7a.0\r\nVia:
SIP/2.0/UDP 127.0.0.1:5090;rport=5090;branch=z9hG4bK6gUQ2ND4N5rjD\r"..., len=683,
rcv_info=0xbff34630) at receive.c:273
#11 0x080ac8c9 in udp_init (sock_info=0x2) at udp_server.c:320
#12 0x080fcb3c in main_loop () at main.c:1289
#13 0x080ffc7c in main (argc=5, argv=0xbff34924) at main.c:2074</code>
More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=388
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