[OpenSIPS-Devel] [opensips] Opensips segfaults in db_free_result (#406)

[ar45]

```
root at nyc2-sbc1:/usr/local/opensips/etc/opensips# gdb /usr/local/opensips/sbin/opensips /core.5355 
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying" 
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/local/opensips/sbin/opensips...done.
[New LWP 5355]

warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/local/opensips/sbin/opensips -P /run/opensips/opensips.pid -m 512 -M 8 -u'.
Program terminated with signal 11, Segmentation fault.
#0  db_free_columns (_r=_r at entry=0x6043ac) at db/db_res.c:80
80                      RES_TYPES(_r) = NULL;
(gdb) bt full
#0  db_free_columns (_r=_r at entry=0x6043ac) at db/db_res.c:80
        __FUNCTION__ = "db_free_columns" 
#1  0x00000000005796cd in db_free_result (_r=0x6043ac) at db/db_res.c:115
        __FUNCTION__ = "db_free_result" 
#2  0x00007f27b0ccfaa8 in db_mysql_free_result (_h=0x7f27b0ef0b78, _r=<optimized out>) at dbase.c:896
        __FUNCTION__ = "db_mysql_free_result" 
#3  0x00007f27ac13b89f in ds_load_data () at dispatch.c:771
        weight = <optimized out>
        uri = <optimized out>
        attrs = <optimized out>
        port = <optimized out>
        state = <optimized out>
        id = <optimized out>
        cnt = <optimized out>
        res = 0x6043ac
        values = <optimized out>
        query_cols = {0x7f27ac34fbd0, 0x7f27ac34fbc0, 0x7f27ac34fbb0, 0x7f27ac34fba0, 0x7f27ac34fb90, 
          0x7f27ac34fb80}
        i = <optimized out>
        host = {s = 0x2418bc0 "dispatcher", len = 10}
        nr_rows = <optimized out>
        sock = <optimized out>
        proto = <optimized out>
        rows = <optimized out>
#4  ds_reload_db () at dispatch.c:781
        old_data = <optimized out>
        new_data = 0x7f278b373188
        __FUNCTION__ = "ds_reload_db" 
#5  0x00007f27ac1484c6 in mod_init () at dispatcher.c:374
        avp_spec = {type = PVT_AVP, getf = 0x47ffd6 <pv_get_avp>, setf = 0x47faa6 <pv_set_avp>, pvp = {pvn = {
              type = 0, u = {isname = {type = 0, name = {n = 7, s = {s = 0x7 <Address 0x7 out of bounds>, 
                      len = 0}}}, dname = 0x0}}, pvi = {type = 0, u = {ival = 0, dval = 0x0}}, pvv = {
              s = 0x0, len = 0}}, pvc = 0x0, trans = 0x0}
        __FUNCTION__ = "mod_init" 
#6  0x00000000004c548d in init_mod (m=0x7f27b0ef3060) at sr_module.c:459
        __FUNCTION__ = "init_mod" 
#7  0x00000000004c5404 in init_mod (m=0x7f27b0ef3720) at sr_module.c:454
        __FUNCTION__ = "init_mod" 
#8  0x00000000004c5404 in init_mod (m=0x7f27b0ef37f0) at sr_module.c:454
        __FUNCTION__ = "init_mod" 
#9  0x00000000004c5404 in init_mod (m=0x7f27b0ef3a88) at sr_module.c:454
        __FUNCTION__ = "init_mod" 
#10 0x00000000004c5404 in init_mod (m=0x7f27b0ef3b58) at sr_module.c:454
        __FUNCTION__ = "init_mod" 
#11 0x00000000004c6bd9 in init_modules () at sr_module.c:499
No locals.
#12 0x0000000000418ad4 in main (argc=<optimized out>, argv=<optimized out>) at main.c:1580
        cfg_log_stderr = <optimized out>
        cfg_stream = <optimized out>
        c = <optimized out>
        r = <optimized out>
        tmp = 0x7fff15043f73 "" 
        tmp_len = <optimized out>
        port = <optimized out>
        proto = <optimized out>
        options = 0x5ddce0 "f:cCm:M:b:l:n:N:rRvdDFETSVhw:t:u:g:P:G:W:o:" 
        ret = -1
        seed = 2778829598
        rfd = <optimized out>
        __FUNCTION__ = "main" 
(gdb) 
```


---
Reply to this email directly or view it on GitHub:
https://github.com/OpenSIPS/opensips/issues/406
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