Thanks I will attach the logs soon..meanwhile here is the kamailio and openssl version
OB151:~ # /usr/sbin/kamailio -V version: kamailio 3.1.0 (i386/linux) 21a375 flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, PKG_SIZE 15MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 21a375 compiled on 09:22:51 Nov 4 2011 with gcc 4.5.0 OB151:~ # openssl version -a OpenSSL 1.0.0 29 Mar 2010 built on: 2011-05-31 07:52:17.000000000 +0000 platform: linux-elf options: bn(64,32) rc4(4x,int) des(ptr,risc1,16,long) blowfish(idx) compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -fomit-frame-pointer -fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -Wa,--noexecstack -fomit-frame-pointer -fno-strict-aliasing -DTERMIO -Wall -fstack-protector -DOPENSSL_BN_ASM_PART_WORDS -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DRMD160_ASM -DAES_ASM -DWHIRLPOOL_ASM OPENSSLDIR: "/etc/ssl" On Wed, Nov 23, 2011 at 4:44 AM, Daniel-Constantin Mierla <[email protected] > wrote: > Hello, > > (discussion kept only on sr-dev as it is very likely going to require > mostly devel interaction). > > What is the version of kamailio (-V command line option). Also, send the > verision of openssl library -- there were many bugs in various lib versions > that had to be workarounded in the module, maybe this is a new one that has > to be fixed. > > Do you get any error message in the syslog at the moment of the crash? > > What would be useful is to get the memory operations log, you can get it > by setting: > > memdbg=1 > memlog=1 > > in config file. > > Then repeat the test and make the log available for download somehow (if > it is too big), from start to the moment of the crash. > > Cheers, > Daniel > > > On 11/22/11 11:30 PM, Jijo wrote: > > Hi All, > > Kamailio is resetting when we do TLS renegotiation dos attack using the > tool available at http://www.thc.org/thc-ssl-dos/. > > Anybody looked at this issue? How we could resolve it. Any idea? > > The core generated for 3 pid's as below > > Pid 1: > > Core was generated by `/usr/sbin/kamailio -u swrun -g sw -m 120 -f > /etc/kamailio/kamailio.cfg'. > Program terminated with signal 11, Segmentation fault. > #0 atomic_inc_int () at atomic/atomic_x86.h:225 > (gdb) bt > #0 atomic_inc_int () at atomic/atomic_x86.h:225 > #1 cfg_update_local () at cfg/cfg_struct.h:228 > #2 timer_main () at timer.c:994 > #3 0x080b0579 in main_loop () at main.c:1632 > #4 0x080b1be4 in main (argc=9, argv=0xbfd61e54) at main.c:2446 > > > Pid 2: > > Core was generated by `/usr/sbin/kamailio -u swrun -g sw -m 120 -f > /etc/kamailio/kamailio.cfg'. > Program terminated with signal 11, Segmentation fault. > #0 0x0819bfe8 in qm_insert_free (qm=0xaf6c5000, p=0xb05eec30, > file=0xb6fb4140 "tls: tls_init.c", func=0xb6fb4ce0 "ser_free", line=296) > at mem/q_malloc.c:184 > 184 if (frag->size <= f->size) break; > (gdb) bt > #0 0x0819bfe8 in qm_insert_free (qm=0xaf6c5000, p=0xb05eec30, > file=0xb6fb4140 "tls: tls_init.c", func=0xb6fb4ce0 "ser_free", line=296) > at mem/q_malloc.c:184 > #1 qm_free (qm=0xaf6c5000, p=0xb05eec30, file=0xb6fb4140 "tls: > tls_init.c", func=0xb6fb4ce0 "ser_free", line=296) at mem/q_malloc.c:518 > #2 0xb6f95404 in ser_free (ptr=0xb05eec30) at tls_init.c:296 > #3 0xb732e9ba in CRYPTO_free (str=0xb05eec30) at mem.c:391 > #4 0xb7330bee in int_new_ex_data (class_index=5, obj=0xbfd414f4, > ad=0xbfd41574) at ex_data.c:440 > #5 0xb7330443 in CRYPTO_new_ex_data (class_index=5, obj=0xbfd414f4, > ad=0xbfd41574) at ex_data.c:575 > #6 0xb73dfde3 in X509_STORE_CTX_init (ctx=0xbfd414f4, store=0xafd8b3d0, > x509=0xafe08ff0, chain=0x0) at x509_vfy.c:2114 > #7 0xb74b0f31 in ssl3_output_cert_chain (s=0xb0553a10, x=0xafe08ff0) at > s3_both.c:349 > #8 0xb74a4728 in ssl3_send_server_certificate (s=0xb0553a10) at > s3_srvr.c:3034 > #9 0xb74a5879 in ssl3_accept (s=0xb0553a10) at s3_srvr.c:353 > #10 0xb74afa8f in ssl3_read_bytes (s=0xb0553a10, type=23, buf=0xb0ad44ec > "", len=4095, peek=0) at s3_pkt.c:1266 > #11 0xb74ac9c9 in ssl3_read_internal (s=0xb0553a10, buf=0xb0ad44ec, > len=4095, peek=0) at s3_lib.c:3265 > #12 0xb74c24a9 in SSL_read (s=0xb0553a10, buf=0xb0ad44ec, num=4095) at > ssl_lib.c:954 > #13 0xb6fad1c3 in tls_read_f (c=0xb0ad431c, flags=0xbfd619c4) at > tls_server.c:1058 > #14 0x08171c0e in tcp_read_headers (c=0xb0ad431c, read_flags=0xbfd619c4) > at tcp_read.c:406 > #15 0x08171db8 in tcp_read_req (con=0xb0ad431c, bytes_read=0xbfd619cc, > read_flags=0xbfd619c4) at tcp_read.c:885 > #16 0x08172f67 in handle_io (fm=<value optimized out>, events=1, > idx=<value optimized out>) at tcp_read.c:1234 > #17 0x0817583b in io_wait_loop_epoll (unix_sock=89) at io_wait.h:1092 > #18 tcp_receive_loop (unix_sock=89) at tcp_read.c:1345 > #19 0x0816e2e9 in tcp_init_children () at tcp_main.c:4867 > #20 0x080affb1 in main_loop () at main.c:1646 > #21 0x080b1be4 in main (argc=9, argv=0xbfd61e54) at main.c:2446 > > Pid 3: > > Core was generated by `/usr/sbin/kamailio -u swrun -g sw -m 120 -f > /etc/kamailio/kamailio.cfg'. > Program terminated with signal 11, Segmentation fault. > #0 0xb76c9e7c in memmove () from /lib/libc.so.6 > (gdb) bt > #0 0xb76c9e7c in memmove () from /lib/libc.so.6 > #1 0x081724e7 in tcp_read_req (con=0xb022c8f0, bytes_read=0xbfd619cc, > read_flags=0xbfd619c4) at tcp_read.c:1026 > #2 0x08172f67 in handle_io (fm=<value optimized out>, events=1, > idx=<value optimized out>) at tcp_read.c:1234 > #3 0x0817583b in io_wait_loop_epoll (unix_sock=93) at io_wait.h:1092 > #4 tcp_receive_loop (unix_sock=93) at tcp_read.c:1345 > #5 0x0816e2e9 in tcp_init_children () at tcp_main.c:4867 > #6 0x080affb1 in main_loop () at main.c:1646 > #7 0x080b1be4 in main (argc=9, argv=0xbfd61e54) at main.c:2446 > > > > > _______________________________________________ > sr-dev mailing > [email protected]http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev > > > -- > Daniel-Constantin Mierla -- http://www.asipto.com > Kamailio Advanced Training, Dec 5-8, Berlin: > http://asipto.com/u/kathttp://linkedin.com/in/miconda -- > http://twitter.com/miconda > >
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