[Serusers] RE: [Serdev] Help needed with core.dumps from SER
Ricardo Martinez
rmartinez at redvoiss.net
Mon Jul 18 15:51:03 CEST 2005
Hello Dan.
Here is the information.
For the first core file :
(gdb) frame 5
#5 0x4016f889 in UseMediaProxy (msg=0x8106a28, str1=0x0, str2=0x0) at
mediaproxy.c:1454
1454 sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
(gdb) list
1449 }
1450
1451 agent = encodeQuopri(userAgent);
1452
1453 info = pkg_malloc(infolen);
1454 sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
1455 fromAddr.len, fromAddr.s, toAddr.len, toAddr.s,
1456 fromTag.len, fromTag.s, toTag.len, toTag.s);
1457 if (isRTPAsymmetric(userAgent)) {
1458 strcat(info, ",asymmetric");
(gdb) print infolen
$1 = 149
(gdb) print &info
Can't take address of "info" which isn't an lvalue.
(gdb) print info
$2 = 0x5 <Address 0x5 out of bounds>
(gdb) print fromAddr
$3 = {
s = 0x80c492f
"5555847148 at sipproxy.redvoiss.net>;tag=802df038f5b36902o1\r\nTo:
<sip:0056085603736 at sipproxy.redvoiss.net>\r\nCall-ID:
adebb0f0-3065dfaa at 192.168.1.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization"..., len = 32}
(gdb) print *fromAddr
Structure has no component named operator*.
(gdb) print toAddr
$4 = {
s = 0x80c4972 "0056085603736 at sipproxy.redvoiss.net>\r\nCall-ID:
adebb0f0-3065dfaa at 192.168.1.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization: Digest
username=\"ID_12481\",realm=\"sipproxy.redvoiss.net\",nonce=\"4"..., len =
35}
(gdb) print *toAddr
Structure has no component named operator*.
(gdb) print fromTag
$5 = {
s = 0x80c4955 "802df038f5b36902o1\r\nTo:
<sip:0056085603736 at sipproxy.redvoiss.net>\r\nCall-ID:
adebb0f0-3065dfaa at 192.168.1.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization: Digest username=\"ID_12481\",realm=\"si"..., len
= 18}
(gdb) print *fromTag
Structure has no component named operator*.
(gdb) print toTag
$6 = {s = 0x401773d0 "", len = 0}
(gdb) print *toTag
Structure has no component named operator*.
(gdb)
And here for the second :
(gdb)
(gdb) bt
#0 0x42070fa4 in _IO_str_overflow_internal () from /lib/tls/libc.so.6
#1 0x4206fb28 in _IO_default_xsputn_internal () from /lib/tls/libc.so.6
#2 0x4204528a in vfprintf () from /lib/tls/libc.so.6
#3 0x4206432c in vsprintf () from /lib/tls/libc.so.6
#4 0x4204f18d in sprintf () from /lib/tls/libc.so.6
#5 0x4017b889 in UseMediaProxy (msg=0x8107178, str1=0x0, str2=0x0) at
mediaproxy.c:1454
#6 0x0804efe2 in do_action (a=0x8105568, msg=0x8107178) at action.c:610
#7 0x0805079c in run_actions (a=0x8105568, msg=0x8105568) at action.c:718
#8 0x0804ef01 in do_action (a=0x8105598, msg=0x8107178) at action.c:600
#9 0x0805079c in run_actions (a=0x8105568, msg=0x8105598) at action.c:718
#10 0x0804ef01 in do_action (a=0x81055c8, msg=0x8107178) at action.c:600
#11 0x0805079c in run_actions (a=0x8105568, msg=0x81055c8) at action.c:718
#12 0x0804ed9f in do_action (a=0x81044b8, msg=0x8107178) at action.c:375
#13 0x0805079c in run_actions (a=0x8105568, msg=0x8107178) at action.c:718
#14 0x0804ef01 in do_action (a=0x8104518, msg=0x8107178) at action.c:600
#15 0x0805079c in run_actions (a=0x8105568, msg=0x8104518) at action.c:718
#16 0x0804ef01 in do_action (a=0x8104e78, msg=0x8107178) at action.c:600
#17 0x0805079c in run_actions (a=0x8105568, msg=0x8104e78) at action.c:718
#18 0x08069449 in receive_msg (
buf=0x80c48a0 "INVITE sip:5503100 at sipproxy.redvoiss.net SIP/2.0\r\nVia:
SIP/2.0/UDP 192.168.0.2:5060;branch=z9hG4bK-4cd3c2cf;rport\r\nFrom:
5555848177
<sip:5555848177 at sipproxy.redvoiss.net>;tag=e9d67edee86d16dbo0\r\nTo: <"...,
len=1139, rcv_info=0xbfffe650) at receive.c:165
#19 0x08079e8f in udp_rcv_loop () at udp_server.c:458
#20 0x0805b480 in main_loop () at main.c:1032
#21 0x0805c7ac in main (argc=0, argv=0x4213ad38) at main.c:1568
#22 0x42015574 in __libc_start_main () from /lib/tls/libc.so.6
(gdb) frame 5
#5 0x4017b889 in UseMediaProxy (msg=0x8107178, str1=0x0, str2=0x0) at
mediaproxy.c:1454
1454 sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
(gdb) list
1449 }
1450
1451 agent = encodeQuopri(userAgent);
1452
1453 info = pkg_malloc(infolen);
1454 sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
1455 fromAddr.len, fromAddr.s, toAddr.len, toAddr.s,
1456 fromTag.len, fromTag.s, toTag.len, toTag.s);
1457 if (isRTPAsymmetric(userAgent)) {
1458 strcat(info, ",asymmetric");
(gdb) print infolen
$1 = 143
(gdb) print &info
Can't take address of "info" which isn't an lvalue.
(gdb) print fromAddr
$2 = {
s = 0x80c4929
"5555848177 at sipproxy.redvoiss.net>;tag=e9d67edee86d16dbo0\r\nTo:
<sip:5503100 at sipproxy.redvoiss.net>\r\nCall-ID:
e453655a-c1c3028f at 192.168.0.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization: Dige"...,
len = 32}
(gdb) print *fromAddr
Structure has no component named operator*.
(gdb) print toAddr
$3 = {
s = 0x80c496c "5503100 at sipproxy.redvoiss.net>\r\nCall-ID:
e453655a-c1c3028f at 192.168.0.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization: Digest
username=\"ID_12375\",realm=\"sipproxy.redvoiss.net\",nonce=\"42d2d2f"...,
len = 29}
(gdb) print *toAddr
Structure has no component named operator*.
(gdb) print fromTag
$4 = {
s = 0x80c494f "e9d67edee86d16dbo0\r\nTo:
<sip:5503100 at sipproxy.redvoiss.net>\r\nCall-ID:
e453655a-c1c3028f at 192.168.0.2\r\nCSeq: 102 INVITE\r\nMax-Forwards:
16\r\nProxy-Authorization: Digest
username=\"ID_12375\",realm=\"sipproxy"...,
len = 18}
(gdb) print *fromTag
Structure has no component named operator*.
(gdb) print toTag
$5 = {s = 0x401833d0 "", len = 0}
(gdb) print *toTag
Structure has no component named operator*.
(gdb)
Hope it helps.
If you need more information about the core just email me.
Thanks
Ricardo Martinez
> -----Mensaje original-----
> De: Dan Pascu [mailto:dan at ag-projects.com]
> Enviado el: Viernes, 15 de Julio de 2005 20:54
> Para: serdev at lists.iptel.org
> CC: Ricardo Martinez; 'serusers at lists.iptel.org'; 'serdev at lists.iptel.org'
> Asunto: Re: [Serdev] Help needed with core.dumps from SER
>
>
> On Saturday 16 July 2005 01:03, Ricardo Martinez wrote:
> > [root@]# gdb /usr/local/sbin/ser ../core.18662
>
> I need a bit more info to trace this. after you run the
> command above, type
> the following commands:
>
> bt
>
> watch for the frame numbers, and look for UseMediaProxy (in
> the trace you
> posted it was at frame #5, but it may be at a different
> position for another
> core file):
>
> (gdb) bt
> #0 0x42070fa4 in _IO_str_overflow_internal () from /lib/tls/libc.so.6
> #1 0x4206fb28 in _IO_default_xsputn_internal () from
> /lib/tls/libc.so.6
> #2 0x4204528a in vfprintf () from /lib/tls/libc.so.6
> #3 0x4206432c in vsprintf () from /lib/tls/libc.so.6
> #4 0x4204f18d in sprintf () from /lib/tls/libc.so.6
> #5 0x4016f889 in UseMediaProxy (msg=0x8106a28, str1=0x0, str2=0x0) at
> mediaproxy.c:1454
> ...
>
> then type these:
>
> frame 5
> list
> print infolen
> print &info
> print info
> print fromAddr
> print *fromAddr
> print toAddr
> print *toAddr
> print fromTag
> print *fromTag
> print toTag
> print *toTag
>
> if the frame for UseMediaProxy is different than 5, use that
> number in the
> frame command above. Then send me the output.
>
> --
>
> Dan
>
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