[sr-dev] [kamailio/kamailio] Segmentation fault Dialog RPC (#1482)
pars3c1
notifications at github.com
Tue Mar 13 18:00:27 CET 2018
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### Description
Hi all,
i’m using kamailio 4.4.6 , and when I call the rpc dialog “profile_list_dlgs” , sometimes I have a segmentation fault.
Can you help me to understand why it happened ?
Thanks for your support
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### Troubleshooting
#### Reproduction
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#### Debugging Data
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```
This is the dump:
Program terminated with signal 11, Segmentation fault.
#0 0x00007f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0, c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
1548 if (pl->profile->has_value) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 libxml2-2.7.6-21.el6_8.1.x86_64 lua-5.1.4-4.1.el6.x86_64 mysql-libs-5.1.73-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 openssl-1.0.1e-48.el6_8.3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt full
#0 0x00007f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0, c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
rpc_cb = {rpc = 0x3031ea0, c = 0x400}
h = 0x2d21e60
sh = 0x2d1db70
ssh = 0x2d20050
pl = 0x7f49ef18c588
var = 0x0
__FUNCTION__ = "internal_rpc_print_dlg"
#1 0x00007f49ee0637b3 in internal_rpc_profile_print_dlgs (rpc=0x7f49ed99e9c0, c=0x7f49ed99e960, profile_name=0x7fff65fcb1a0, value=0x0)
at dialog.c:1681
profile = 0x7f49ee5aca88
ph = 0x7f49eeb5b670
i = 2
#2 0x00007f49ee063e64 in rpc_profile_print_dlgs (rpc=0x7f49ed99e9c0, c=0x7f49ed99e960) at dialog.c:1785
profile_name = {s = 0x3031e80 "outbound", len = 8}
value = {s = 0x0, len = 0}
#3 0x00007f49ed78960f in jsonrpc_dispatch (msg=0x7fff65fcc5a0, s1=0x0, s2=0x0) at jsonrpc-s_mod.c:1098
rpce = 0x7f4a13212d30
ctx = 0x7f49ed99e960
ret = 0
nj = 0x3031ab0
val = {s = 0x3032030 "dlg.profile_list", len = 16}
__FUNCTION__ = "jsonrpc_dispatch"
#4 0x000000000041f75d in do_action (h=0x7fff65fcc4c0, a=0x7f4a13189e28, msg=0x7fff65fcc5a0) at action.c:1054
```
#### Log Messages
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```
the result to the commands p *pl and p *pl->profile
#0 0x00007f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0, c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
1548 if (pl->profile->has_value) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 libxml2-2.7.6-21.el6_8.1.x86_64 lua-5.1.4-4.1.el6.x86_64 mysql-libs-5.1.73-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64 openssl-1.0.1e-48.el6_8.3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) p *pl
$1 = {hash_linker = {value = {s = 0x113ef180024 <Address 0x113ef180024 out of bounds>, len = -277948848}, dlg = 0x7f49ef18c5b8,
puid = "\n\000\000\000-5a9\303\305\030\357I\177\000\000S\000\000\000\060\062\060\063in_routing\000CR=6@", puid_len = 1598313555,
expires = 3977578104333875508, flags = 876097589, linker = 0x422d30263936313d, next = 0x3d50542c36343d4f, prev = 0x52542c3634303730,
hash = 1028345429}, next = 0x50542c36343d4f42, profile = 0x542c36343037303d}
(gdb) p *pl->profile
Cannot access memory at address 0x542c36343037303d
```
#### SIP Traffic
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### Possible Solutions
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### Additional Information
* **Kamailio Version** - output of `kamailio -v`
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* **Operating System**:
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