Description

I have sent malformed data to kamailio server and its getting crashed.

Troubleshooting

Reproduction

This can be easily reproducable by remove .(eol) from each line of invite packet

Debugging Data

(paste your debugging data here)

Log Messages

32(78) CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 13
 0(46) ALERT: <core> [main.c:745]: handle_sigs(): child process 47 exited by a signal 11
 0(46) ALERT: <core> [main.c:748]: handle_sigs(): core was generated
 0(46) INFO: <core> [main.c:771]: handle_sigs(): terminating due to SIGCHLD
 2(48) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 6(52) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 8(54) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
12(58) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
13(59) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
15(61) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
17(63) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
18(64) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
20(66) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
22(68) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
24(70) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
26(72) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
28(74) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
32(78) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
25(71) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
21(67) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
23(69) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
14(60) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 3(49) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
29(75) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
19(65) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
30(76) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
11(57) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 7(53) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
31(77) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
16(62) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 9(55) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
27(73) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
10(56) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 4(50) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 5(51) INFO: <core> [main.c:826]: sig_usr(): signal 15 received
 0(46) INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized
2019/08/26 06:14:51.186871 [ERR] (cli) child process died with exit code 1

SIP Traffic

INVITE sip:9631793333@10.130.72.178:5060 SIP/2.0
Max-Forwards: 66
From: "9631791999" <sip:9631791999@test.santhos.com>;tag=8BpeDNKX9g7ZN
To: <sip:12254431343@52.77.251.154>
Call-ID: 0e61d723-400b-1238-5ea2-029e611e72cc
CSeq: 8715558 INVITE
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 248
Remote-Party-ID: "9631791999" <sip:9631791999@test.santhos.com>;party=calling;screen=yes;privacy=off
Contact: <sip:btpsh-5d5dab4f-36-1@3.82.91.199;alias=10.130.74.48~5060~1>
User-Agent: NewServer
Accept: application/sdp
Allow: INVITE,ACK,CANCEL,BYE,UPDATE

v=0
o=- 1566538700029766 7092256907260767331 IN IP4 3.220.58.181
s=X-Lite release 5.6.1 stamp 99140
c=IN IP4 3.220.58.181
t=0 0
m=audio 10030 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv

Possible Solutions

Additional Information

root@test-server:/# kamailio -v
version: kamailio 5.1.4 (x86_64/linux) cc647d
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, 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, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: cc647d 
compiled on 10:09:16 Jul 29 2019 with gcc 5.4.0

root@test-server:/# cat /etc/debian_version 
stretch/sid

root@test-server:/# uname -a 
Linux test-server 4.14.77-69.57.amzn1.x86_64 #1 SMP Tue Nov 6 21:32:55 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

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