[sr-dev] [kamailio] segmentation fault when mongodb & tls enabled. ( kamailio 4.3.2) (#360)

[jijo2010]

I'm getting a different core now, ( no Core if i disable TLS in kamailio or mongo-c-driver)

 Core was generated by `/usr/local/kamailio_proxy/sbin/kamailio -f /usr/local/kamailio_proxy/etc/kamail'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f142bd7897e in db_mongodb_query (_h=0x7f1430510100, _k=0x0, _op=0x0, _v=0x0, _c=0x7ffcb93494b0, _n=0, _nc=21, _o=0x0, _r=0x7ffcb93494a8) at mongodb_dbase.c:846
846		if(CON_TABLE(_h)->s[CON_TABLE(_h)->len]!='\0') {
Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 cyrus-sasl-plain-2.1.23-15.el6_6.2.x86_64 db4-4.7.25-20.el6_7.x86_64 glibc-2.12-1.166.el6_7.3.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-42.el6.x86_64 libcom_err-1.41.12-22.el6.x86_64 libcurl-7.19.7-46.el6.x86_64 libidn-1.18-2.el6.x86_64 libselinux-2.0.94-5.8.el6.x86_64 libssh2-1.4.2-1.el6_6.1.x86_64 libunistring-0.9.3-5.el6.x86_64 libxml2-2.7.6-20.el6.x86_64 mysql-libs-5.1.73-5.el6_6.x86_64 nspr-4.10.8-1.el6_6.x86_64 nss-3.18.0-5.3.el6_6.x86_64 nss-softokn-freebl-3.14.3-22.el6_6.x86_64 nss-util-3.18.0-1.el6_6.x86_64 openldap-2.4.40-5.el6.x86_64 openssl-1.0.1e-42.el6.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0  0x00007f142bd7897e in db_mongodb_query (_h=0x7f1430510100, _k=0x0, _op=0x0, _v=0x0, _c=0x7ffcb93494b0, _n=0, _nc=21, _o=0x0, _r=0x7ffcb93494a8) at mongodb_dbase.c:846
#1  0x00007f1428dce63c in preload_udomain (_c=0x7f1430510100, _d=0x7f142bfd2f20) at udomain.c:432
#2  0x00007f1428ddff87 in child_init (_rank=1) at ul_mod.c:437
#3  0x00000000005940ed in init_mod_child (m=0x7f143045a5f8, rank=1) at sr_module.c:898
#4  0x0000000000593e28 in init_mod_child (m=0x7f143045a8e0, rank=1) at sr_module.c:895
#5  0x0000000000593e28 in init_mod_child (m=0x7f143045b038, rank=1) at sr_module.c:895
#6  0x0000000000593e28 in init_mod_child (m=0x7f143045bd30, rank=1) at sr_module.c:895
#7  0x0000000000593e28 in init_mod_child (m=0x7f143045c670, rank=1) at sr_module.c:895
#8  0x0000000000593e28 in init_mod_child (m=0x7f143045cba8, rank=1) at sr_module.c:895
#9  0x0000000000593e28 in init_mod_child (m=0x7f143045cf38, rank=1) at sr_module.c:895
#10 0x0000000000593e28 in init_mod_child (m=0x7f143045d428, rank=1) at sr_module.c:895
#11 0x0000000000593e28 in init_mod_child (m=0x7f143045e9b8, rank=1) at sr_module.c:895
#12 0x0000000000593e28 in init_mod_child (m=0x7f143045eed0, rank=1) at sr_module.c:895
#13 0x0000000000593e28 in init_mod_child (m=0x7f143045f280, rank=1) at sr_module.c:895
#14 0x0000000000593e28 in init_mod_child (m=0x7f143045f630, rank=1) at sr_module.c:895
#15 0x0000000000593e28 in init_mod_child (m=0x7f143045f9c0, rank=1) at sr_module.c:895
#16 0x0000000000593e28 in init_mod_child (m=0x7f1430460030, rank=1) at sr_module.c:895
#17 0x0000000000593e28 in init_mod_child (m=0x7f1430460a20, rank=1) at sr_module.c:895
#18 0x00000000005943f7 in init_child (rank=1) at sr_module.c:924
#19 0x00000000004ebdf5 in fork_tcp_process (child_id=1, desc=0x7ffcb934a330 "tcp receiver (generic)", r=0, reader_fd_1=0x7ffcb934a3b0) at pt.c:465
#20 0x00000000005e20bf in tcp_init_children () at tcp_main.c:4777
#21 0x00000000004a8ba1 in main_loop () at main.c:1658
#22 0x00000000004ae38e in main (argc=15, argv=0x7ffcb934a758) at main.c:2533
(gdb) info locals
i = 4
mgcon = 0x7f1430510288
client = 0x2a12500
seldoc = 0x0
cname = 0x0
b1 = 0 '\000'
jstr = 0x7ffcb9349500 "\320|\377(\024\177"
__FUNCTION__ = "db_mongodb_query"
(gdb) list
841		}
842	
843		if(_r) *_r = NULL;
844	
845		b1 = '\0';
846		if(CON_TABLE(_h)->s[CON_TABLE(_h)->len]!='\0') {
847			b1 = CON_TABLE(_h)->s[CON_TABLE(_h)->len];
848			CON_TABLE(_h)->s[CON_TABLE(_h)->len] = '\0';
849		}
850		cname = CON_TABLE(_h)->s;
(gdb) 


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https://github.com/kamailio/kamailio/issues/360#issuecomment-153386433
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