Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Daniel-Constantin Mierla 
Hello,

probably the module code needs also some updates, it is rather old and
likely designed for db backends that enforce non-null values, like in
the create statement:

  *
https://github.com/kamailio/kamailio/blob/master/utils/kamctl/mysql/dialplan-create.sql#L10

So it does not do much extra checks in the code, but these days there
are other db connectors that may not have strict schema implementation
like db_redis or db_mongodb.

For now, I pushed a push a patch to jsonrpcs module to print 'null'
value in jsonrpc response, when the value passed from other modules to
it is C-NULL. This should prevent (hopefully) the crash from happening,
even you revert back to have null value in database:

  *
https://github.com/kamailio/kamailio/commit/c48e409b741821fa470788b3bca0ead32e4d6efc

I will have to check the ctl and xmlrpc modules to see what they do in
similar cases, to cover also the use of kamcmd for the same situation.

Cheers,
Daniel

On 22.02.21 13:50, Julia Bo wrote:
> Hello Daniel,
>
> I use mysqldb. 
> I have added the default value "" to column "attr" and It's working now.
>
> Thank you so much!  
> Julia.
>
>
> On Mon, Feb 22, 2021 at 12:19 PM Daniel-Constantin Mierla
> mailto:mico...@gmail.com>> wrote:
>
> Hello,
>
> did you change the database structure? Because the crash seems to
> be because attrs field is NULL, but database schema should prevent
> it. Or, maybe you use a database backend that cannot enforce that,
> which one do you use (db_myql, ...)?
>
> Cheers,
> Daniel
>
> On 22.02.21 10:57, Daniel-Constantin Mierla wrote:
>>
>> Hello,
>>
>> ohhh, indeed -- I thought it was the corefile itself, which
>> cannot be investigated on other system than the one generating it.
>>
>> Cheers,
>> Daniel
>>
>> On 22.02.21 10:05, Julia Bo wrote:
>>> Hello,
>>>
>>> The corefile has been already attached in previous mail.
>>> Send it again.
>>>
>>> Thank you,
>>> Julia.
>>>
>>> On Mon, Feb 22, 2021 at 10:22 AM Daniel-Constantin Mierla
>>> mailto:mico...@gmail.com>> wrote:
>>>
>>> Hello,
>>>
>>> are you able to get a core file for the crash? If yes, then
>>> send here the output of gdb command "bt full" to see where
>>> the crash happens and try to fix it.
>>>
>>> Cheers,
>>> Daniel
>>>
>>> On 21.02.21 16:11, Julia Bo wrote:
 Hello,
 Kamailio version 5.4.4.
 Kamailio  segmentation fault after kamctl rpc dialplan.dump
 ,
 when dialplan includes variables in the replacement
 expression (repl_exp) field.
 Please see attached corefile.

 Thank you,
 Julia.

 ___
 Kamailio (SER) - Users Mailing List
 sr-users@lists.kamailio.org 
 https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users 
 
>>>
>>> -- 
>>> Daniel-Constantin Mierla -- www.asipto.com 
>>> www.twitter.com/miconda  -- 
>>> www.linkedin.com/in/miconda 
>>> Funding: https://www.paypal.me/dcmierla 
>>> 
>>>
>> -- 
>> Daniel-Constantin Mierla -- www.asipto.com 
>> www.twitter.com/miconda  -- 
>> www.linkedin.com/in/miconda 
>> Funding: https://www.paypal.me/dcmierla 
>
> -- 
> Daniel-Constantin Mierla -- www.asipto.com 
> www.twitter.com/miconda  -- 
> www.linkedin.com/in/miconda 
> Funding: https://www.paypal.me/dcmierla 
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Julia Bo 
Hello Daniel,

I use mysqldb.
I have added the default value "" to column "attr" and It's working now.

Thank you so much!
Julia.


On Mon, Feb 22, 2021 at 12:19 PM Daniel-Constantin Mierla 
wrote:

> Hello,
>
> did you change the database structure? Because the crash seems to be
> because attrs field is NULL, but database schema should prevent it. Or,
> maybe you use a database backend that cannot enforce that, which one do you
> use (db_myql, ...)?
>
> Cheers,
> Daniel
> On 22.02.21 10:57, Daniel-Constantin Mierla wrote:
>
> Hello,
>
> ohhh, indeed -- I thought it was the corefile itself, which cannot be
> investigated on other system than the one generating it.
>
> Cheers,
> Daniel
> On 22.02.21 10:05, Julia Bo wrote:
>
> Hello,
>
> The corefile has been already attached in previous mail.
> Send it again.
>
> Thank you,
> Julia.
>
> On Mon, Feb 22, 2021 at 10:22 AM Daniel-Constantin Mierla <
> mico...@gmail.com> wrote:
>
>> Hello,
>>
>> are you able to get a core file for the crash? If yes, then send here the
>> output of gdb command "bt full" to see where the crash happens and try to
>> fix it.
>>
>> Cheers,
>> Daniel
>> On 21.02.21 16:11, Julia Bo wrote:
>>
>> Hello,
>> Kamailio version 5.4.4.
>> Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
>> when dialplan includes variables in the replacement expression (repl_exp)
>> field.
>> Please see attached corefile.
>>
>> Thank you,
>> Julia.
>>
>> ___
>> Kamailio (SER) - Users Mailing 
>> Listsr-users@lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- 
>> www.linkedin.com/in/miconda
>> Funding: https://www.paypal.me/dcmierla
>>
>> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- 
> www.linkedin.com/in/miconda
> Funding: https://www.paypal.me/dcmierla
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- 
> www.linkedin.com/in/miconda
> Funding: https://www.paypal.me/dcmierla
>
>
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Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Daniel-Constantin Mierla 
Hello,

did you change the database structure? Because the crash seems to be
because attrs field is NULL, but database schema should prevent it. Or,
maybe you use a database backend that cannot enforce that, which one do
you use (db_myql, ...)?

Cheers,
Daniel

On 22.02.21 10:57, Daniel-Constantin Mierla wrote:
>
> Hello,
>
> ohhh, indeed -- I thought it was the corefile itself, which cannot be
> investigated on other system than the one generating it.
>
> Cheers,
> Daniel
>
> On 22.02.21 10:05, Julia Bo wrote:
>> Hello,
>>
>> The corefile has been already attached in previous mail.
>> Send it again.
>>
>> Thank you,
>> Julia.
>>
>> On Mon, Feb 22, 2021 at 10:22 AM Daniel-Constantin Mierla
>> mailto:mico...@gmail.com>> wrote:
>>
>> Hello,
>>
>> are you able to get a core file for the crash? If yes, then send
>> here the output of gdb command "bt full" to see where the crash
>> happens and try to fix it.
>>
>> Cheers,
>> Daniel
>>
>> On 21.02.21 16:11, Julia Bo wrote:
>>> Hello,
>>> Kamailio version 5.4.4.
>>> Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
>>> when dialplan includes variables in the replacement expression
>>> (repl_exp) field.
>>> Please see attached corefile.
>>>
>>> Thank you,
>>> Julia.
>>>
>>> ___
>>> Kamailio (SER) - Users Mailing List
>>> sr-users@lists.kamailio.org 
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users 
>>> 
>>
>> -- 
>> Daniel-Constantin Mierla -- www.asipto.com 
>> www.twitter.com/miconda  -- 
>> www.linkedin.com/in/miconda 
>> Funding: https://www.paypal.me/dcmierla 
>>
> -- 
> Daniel-Constantin Mierla -- www.asipto.com
> www.twitter.com/miconda -- www.linkedin.com/in/miconda
> Funding: https://www.paypal.me/dcmierla

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Daniel-Constantin Mierla 
Hello,

ohhh, indeed -- I thought it was the corefile itself, which cannot be
investigated on other system than the one generating it.

Cheers,
Daniel

On 22.02.21 10:05, Julia Bo wrote:
> Hello,
>
> The corefile has been already attached in previous mail.
> Send it again.
>
> Thank you,
> Julia.
>
> On Mon, Feb 22, 2021 at 10:22 AM Daniel-Constantin Mierla
> mailto:mico...@gmail.com>> wrote:
>
> Hello,
>
> are you able to get a core file for the crash? If yes, then send
> here the output of gdb command "bt full" to see where the crash
> happens and try to fix it.
>
> Cheers,
> Daniel
>
> On 21.02.21 16:11, Julia Bo wrote:
>> Hello,
>> Kamailio version 5.4.4.
>> Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
>> when dialplan includes variables in the replacement expression
>> (repl_exp) field.
>> Please see attached corefile.
>>
>> Thank you,
>> Julia.
>>
>> ___
>> Kamailio (SER) - Users Mailing List
>> sr-users@lists.kamailio.org 
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users 
>> 
>
> -- 
> Daniel-Constantin Mierla -- www.asipto.com 
> www.twitter.com/miconda  -- 
> www.linkedin.com/in/miconda 
> Funding: https://www.paypal.me/dcmierla 
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

___
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Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Julia Bo 
Hello,

The corefile has been already attached in previous mail.
Send it again.

Thank you,
Julia.

On Mon, Feb 22, 2021 at 10:22 AM Daniel-Constantin Mierla 
wrote:

> Hello,
>
> are you able to get a core file for the crash? If yes, then send here the
> output of gdb command "bt full" to see where the crash happens and try to
> fix it.
>
> Cheers,
> Daniel
> On 21.02.21 16:11, Julia Bo wrote:
>
> Hello,
> Kamailio version 5.4.4.
> Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
> when dialplan includes variables in the replacement expression (repl_exp)
> field.
> Please see attached corefile.
>
> Thank you,
> Julia.
>
> ___
> Kamailio (SER) - Users Mailing 
> Listsr-users@lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- 
> www.linkedin.com/in/miconda
> Funding: https://www.paypal.me/dcmierla
>
>
(gdb) bt full
#0  0x7fd2b64c5641 in __strlen_sse2_pminub () from /lib64/libc.so.6
No symbol table info available.
#1  0x007a2c69 in srjson_strdup (doc=0x148d050, str=0x0) at 
core/utils/srjson.c:113
len = 21592384
copy = 0x1497300 "$dlg_var(default_cli)"
#2  0x007a511b in srjson_CreateString (doc=0x148d050, string=0x0) at 
core/utils/srjson.c:968
item = 0x1497940
#3  0x7fd2b3958d5b in jsonrpc_print_value (ctx=0x7fd2b3b83a60 
<_jsonrpc_ctx_global>, fmt=115 's', ap=0x7fff16a42ef8) at jsonrpcs_mod.c:500
nj = 0x0
buf = "\377\377\377\377\377\377\377\377", '\000' , 
"\377\377\377\377", '\000' , "@\244q\266\322\177", '\000' 
, 
"\341\324[\351\000\200\377\377h\260I\001\000\000\000\000\360+\244\026\377\177\000\000"...
dt = 21590848
t = {tm_sec = -72515583, tm_min = 0, tm_hour = 21590848, tm_mday = 0, 
tm_mon = 21590848, tm_year = 0, tm_wday = 21590848, tm_yday = 0, tm_isdst = 
21590848, 
  tm_gmtoff = 21590849, tm_zone = 0x }
sp = 0x148d050
__FUNCTION__ = "jsonrpc_print_value"
#4  0x7fd2b395d6b1 in jsonrpc_struct_add (jnode=0x14976c0, 
fmt=0x7fd2af9a3ecc "s") at jsonrpcs_mod.c:810
nj = 0x0
wj = 0x0
ctx = 0x7fd2b3b83a60 <_jsonrpc_ctx_global>
ap = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fff16a43040, reg_save_area = 0x7fff16a42f50}}
void_ptr = 0x7fff16a430d8
mname = {s = 0x7fd2af9a3f8b "ATTRS", len = 5}
isobject = 1
__FUNCTION__ = "jsonrpc_struct_add"
#5  0x7fd2af984c48 in dialplan_rpc_dump (rpc=0x7fd2b3b83b40 , 
ctx=0x7fd2b3b83a60 <_jsonrpc_ctx_global>) at dialplan.c:797
idp = 0x7fd2ab62c370
indexp = 0x7fd2ab62c3f0
rulep = 0x7fd2ab6340d0
dpid = 2
th = 0x1497ec0
ih = 0x149a480
sh = 0x14976c0
__FUNCTION__ = "dialplan_rpc_dump"
#6  0x7fd2b396849e in jsonrpc_exec_ex (cmd=0x7fff16a43370, 
rpath=0x7fff16a43360) at jsonrpcs_mod.c:1415
rpce = 0x7fd2b58110c0
ctx = 0x7fd2b3b83a60 <_jsonrpc_ctx_global>
ret = -1
nj = 0x1496d10
val = {s = 0x1496dd0 "dialplan.dump", len = 13}
scmd = {s = 0x7fff16a43411 "{\"jsonrpc\": \"2.0\", \"method\": 
\"dialplan.dump\", \"params\": [2], \"reply_name\": 
\"kamailio_receiver_18865\", \"id\": 18865}", 
  len = 114}
__FUNCTION__ = "jsonrpc_exec_ex"
#7  0x7fd2b39529e6 in jsonrpc_fifo_server (fifo_stream=0x1399780) at 
jsonrpcs_fifo.c:460
reply_stream = 0x0
buf_in = "\n{\"jsonrpc\": \"2.0\", \"method\": \"dialplan.dump\", 
\"params\": [2], \"reply_name\": \"kamailio_receiver_18865\", \"id\": 
18865}\000\000\000\000\000\340\064\244\026\377\177\000\000 
B\a\265\322\177\000\000(hH\001\000\000\000\000\001\000\000\000\000\000\000\000\355\065\244\026\377\177\000\000\001\000\000\000\000\000\000\000\240ZH\001\000\000\000\000
 
}I\001\000\000\000\000\020\000\000\000\001\000\000\000\060\000\000\000\000\000\000\000"...
buf_rpath = 
"kamailio_receiver_18865\000X}I\001\000\000\000\000<\000\000\000\000\000\000\000?衰\001\000\000\000\000\360\063\244\026\377\177\000\000pI\245\264\322\177\000\000$\000\000\000\000\000\000\000X}I\001\000\000\000\000$\000\000\000\000\000\000\000P\352H\001\000\000\000\000P4\244\026\377\177\000\000Y?α264\322\177\000\000\000\000\000\000\000\000\000\000P\352H\001\000\000\000"
lread = 115
scmd = {s = 0x7fff16a43411 "{\"jsonrpc\": \"2.0\", \"method\": 
\"dialplan.dump\", \"params\": [2], \"reply_name\": 
\"kamailio_receiver_18865\", \"id\": 18865}", 
  len = 114}
srpath = {s = 0x7fff16a43390 "kamailio_receiver_18865", len = 23}
nw = 256
jr = 0x7fd2b3b83ba0 <_jsonrpc_plain_reply>
__FUNCTION__ = "jsonrpc_fifo_server"
#8  0x7fd2b3953ffd in jsonrpc_fifo_process (rank=1) at jsonrpcs_fifo.c:497
__FUNCTION__ = "jsonrpc_fifo_process"
#9  0x7fd2b3955581 in jsonrpc_fifo_child_init (rank=0) at

Re: [SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-22 Thread Daniel-Constantin Mierla 
Hello,

are you able to get a core file for the crash? If yes, then send here
the output of gdb command "bt full" to see where the crash happens and
try to fix it.

Cheers,
Daniel

On 21.02.21 16:11, Julia Bo wrote:
> Hello,
> Kamailio version 5.4.4.
> Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
> when dialplan includes variables in the replacement expression
> (repl_exp) field.
> Please see attached corefile.
>
> Thank you,
> Julia.
>
> ___
> Kamailio (SER) - Users Mailing List
> sr-users@lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
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www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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[SR-Users] Kamailio 5.4.4 segmentation fault after kamctl rpc dialplan.dump

2021-02-21 Thread Julia Bo 
Hello,
Kamailio version 5.4.4.
Kamailio  segmentation fault after kamctl rpc dialplan.dump ,
when dialplan includes variables in the replacement expression (repl_exp)
field.
Please see attached corefile.

Thank you,
Julia.
(gdb) bt full
#0  0x7fd2b64c5641 in __strlen_sse2_pminub () from /lib64/libc.so.6
No symbol table info available.
#1  0x007a2c69 in srjson_strdup (doc=0x148d050, str=0x0) at 
core/utils/srjson.c:113
len = 21592384
copy = 0x1497300 "$dlg_var(default_cli)"
#2  0x007a511b in srjson_CreateString (doc=0x148d050, string=0x0) at 
core/utils/srjson.c:968
item = 0x1497940
#3  0x7fd2b3958d5b in jsonrpc_print_value (ctx=0x7fd2b3b83a60 
<_jsonrpc_ctx_global>, fmt=115 's', ap=0x7fff16a42ef8) at jsonrpcs_mod.c:500
nj = 0x0
buf = "\377\377\377\377\377\377\377\377", '\000' , 
"\377\377\377\377", '\000' , "@\244q\266\322\177", '\000' 
, 
"\341\324[\351\000\200\377\377h\260I\001\000\000\000\000\360+\244\026\377\177\000\000"...
dt = 21590848
t = {tm_sec = -72515583, tm_min = 0, tm_hour = 21590848, tm_mday = 0, 
tm_mon = 21590848, tm_year = 0, tm_wday = 21590848, tm_yday = 0, tm_isdst = 
21590848, 
  tm_gmtoff = 21590849, tm_zone = 0x }
sp = 0x148d050
__FUNCTION__ = "jsonrpc_print_value"
#4  0x7fd2b395d6b1 in jsonrpc_struct_add (jnode=0x14976c0, 
fmt=0x7fd2af9a3ecc "s") at jsonrpcs_mod.c:810
nj = 0x0
wj = 0x0
ctx = 0x7fd2b3b83a60 <_jsonrpc_ctx_global>
ap = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fff16a43040, reg_save_area = 0x7fff16a42f50}}
void_ptr = 0x7fff16a430d8
mname = {s = 0x7fd2af9a3f8b "ATTRS", len = 5}
isobject = 1
__FUNCTION__ = "jsonrpc_struct_add"
#5  0x7fd2af984c48 in dialplan_rpc_dump (rpc=0x7fd2b3b83b40 , 
ctx=0x7fd2b3b83a60 <_jsonrpc_ctx_global>) at dialplan.c:797
idp = 0x7fd2ab62c370
indexp = 0x7fd2ab62c3f0
rulep = 0x7fd2ab6340d0
dpid = 2
th = 0x1497ec0
ih = 0x149a480
sh = 0x14976c0
__FUNCTION__ = "dialplan_rpc_dump"
#6  0x7fd2b396849e in jsonrpc_exec_ex (cmd=0x7fff16a43370, 
rpath=0x7fff16a43360) at jsonrpcs_mod.c:1415
rpce = 0x7fd2b58110c0
ctx = 0x7fd2b3b83a60 <_jsonrpc_ctx_global>
ret = -1
nj = 0x1496d10
val = {s = 0x1496dd0 "dialplan.dump", len = 13}
scmd = {s = 0x7fff16a43411 "{\"jsonrpc\": \"2.0\", \"method\": 
\"dialplan.dump\", \"params\": [2], \"reply_name\": 
\"kamailio_receiver_18865\", \"id\": 18865}", 
  len = 114}
__FUNCTION__ = "jsonrpc_exec_ex"
#7  0x7fd2b39529e6 in jsonrpc_fifo_server (fifo_stream=0x1399780) at 
jsonrpcs_fifo.c:460
reply_stream = 0x0
buf_in = "\n{\"jsonrpc\": \"2.0\", \"method\": \"dialplan.dump\", 
\"params\": [2], \"reply_name\": \"kamailio_receiver_18865\", \"id\": 
18865}\000\000\000\000\000\340\064\244\026\377\177\000\000 
B\a\265\322\177\000\000(hH\001\000\000\000\000\001\000\000\000\000\000\000\000\355\065\244\026\377\177\000\000\001\000\000\000\000\000\000\000\240ZH\001\000\000\000\000
 
}I\001\000\000\000\000\020\000\000\000\001\000\000\000\060\000\000\000\000\000\000\000"...
buf_rpath = 
"kamailio_receiver_18865\000X}I\001\000\000\000\000<\000\000\000\000\000\000\000?衰\001\000\000\000\000\360\063\244\026\377\177\000\000pI\245\264\322\177\000\000$\000\000\000\000\000\000\000X}I\001\000\000\000\000$\000\000\000\000\000\000\000P\352H\001\000\000\000\000P4\244\026\377\177\000\000Y?α264\322\177\000\000\000\000\000\000\000\000\000\000P\352H\001\000\000\000"
lread = 115
scmd = {s = 0x7fff16a43411 "{\"jsonrpc\": \"2.0\", \"method\": 
\"dialplan.dump\", \"params\": [2], \"reply_name\": 
\"kamailio_receiver_18865\", \"id\": 18865}", 
  len = 114}
srpath = {s = 0x7fff16a43390 "kamailio_receiver_18865", len = 23}
nw = 256
jr = 0x7fd2b3b83ba0 <_jsonrpc_plain_reply>
__FUNCTION__ = "jsonrpc_fifo_server"
#8  0x7fd2b3953ffd in jsonrpc_fifo_process (rank=1) at jsonrpcs_fifo.c:497
__FUNCTION__ = "jsonrpc_fifo_process"
#9  0x7fd2b3955581 in jsonrpc_fifo_child_init (rank=0) at 
jsonrpcs_fifo.c:569
pid = 0
__FUNCTION__ = "jsonrpc_fifo_child_init"
#10 0x7fd2b39635e5 in child_init (rank=0) at jsonrpcs_mod.c:1200
__FUNCTION__ = "child_init"___
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