[asterisk-bugs] [JIRA] (ASTERISK-28564) Memory leak with pjsip 4.9 and SIPS / SRTP

[Michael Maier (JIRA)]

Michael Maier created ASTERISK-28564:
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             Summary: Memory leak with pjsip 4.9 and SIPS / SRTP
                 Key: ASTERISK-28564
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28564
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_pjsip
    Affects Versions: 16.5.0
         Environment: CentOS 7
            Reporter: Michael Maier


There is one more memory leak even in asterisk 16.6.0-rc2, which can't be seen with pjsip 4.8 instead of 4.9. It can be seen on inbound calls (not sure if it's on outbound calls, too) using SIPS and SRTP.

Examples:
1 Call, duration about 1 h: ~ +1,2 MB
5 short calls (< 1 minute): ~ +1 MB


Example for the inbound INVITE and OK package:

<--- Received SIP request (2276 bytes) from TLS:217.0.20.195:5061 --->
INVITE sip:+491234567890 at 12.13.14.15:5061;transport=tcp;line=abcdefg SIP/2.0
Max-Forwards: 49
Via: SIP/2.0/TLS 217.0.20.195:5061;branch=z9hG4bKg3Zqkv7ivdsp3wo1jhdbdvgy5dwsq6jye
To: <sip:+491234567890 at telekom.de;user=phone>
From: <sip:+4945678901234 at tmobile.de;user=phone>;tag=h7g4Esbg_p65540t1570108521m378032c299263169s1_1621954413-1461120854
Call-ID: p65540t1570108521m378032c299263169s2
CSeq: 1 INVITE
Contact: <sip:sgc_c at 217.0.20.195:5061;transport=tls>;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
Record-Route: <sip:217.0.20.195:5061;transport=tls;lr>
Accept-Contact: *;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
History-Info: <sip:+491234567890;npdi;rn=+49199C901234567890 at tmobile.de;user=phone>;index=1
Min-Se: 900
P-Asserted-Identity: <sip:+4945678901234 at tmobile.de;user=phone>
P-Asserted-Identity: <tel:+4945678901234>
Session-Expires: 1800
Supported: timer
Supported: 100rel
Supported: histinfo
Supported: 199
Supported: uui
Supported: norefersub
Content-Type: application/sdp
Content-Length: 1061
Session-ID: 253f41678c65f936805ef6b071943e64
Allow: REGISTER, REFER, NOTIFY, SUBSCRIBE, UPDATE, PRACK, INFO, INVITE, ACK, OPTIONS, CANCEL, BYE

v=0
o=- 1011696818 1621954173 IN IP4 217.0.20.195
s=-
c=IN IP4 217.0.135.5
t=0 0
m=audio 27888 RTP/SAVP 96 97 9 98 99 100 101 8 102 103
b=AS:84
a=rtpmap:96 AMR-WB/16000
a=fmtp:96 mode-set=0,1,2; mode-change-period=2; mode-change-neighbor=1; max-red=0
a=rtpmap:97 AMR-WB/16000
a=fmtp:97 mode-change-capability=2; max-red=0
a=rtpmap:9 G722/8000
a=rtpmap:98 AMR/8000
a=fmtp:98 mode-set=0,2,4,7; mode-change-period=2; mode-change-neighbor=1; max-red=0
a=rtpmap:99 AMR/8000
a=fmtp:99 mode-set=0,2,4; mode-change-period=2; mode-change-neighbor=1; max-red=0
a=rtpmap:100 AMR/8000
a=fmtp:100 mode-set=0,1,2,3,4,5,6,7; mode-change-period=2; mode-change-neighbor=1; max-red=0
a=rtpmap:101 AMR/8000
a=fmtp:101 mode-set=0,1,2,3,4,5,6,7; max-red=0
a=rtpmap:8 PCMA/8000
a=rtpmap:102 telephone-event/8000
a=rtpmap:103 telephone-event/16000
a=ptime:20
a=maxptime:30
a=3ge2ae:applied
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:HTNhK8lOYS+/1ORuNEbEhnsisXj4PEVIh8FBKmTR
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:6qBJEfKKXxbpJTepS298yUmUl/891GwnlURC3tdn




<--- Transmitting SIP response (1178 bytes) to TLS:217.0.20.195:5061 --->
SIP/2.0 200 OK
Via: SIP/2.0/TLS 217.0.20.195:5061;rport=5061;received=217.0.20.195;branch=z9hG4bKg3Zqkv7ivdsp3wo1jhdbdvgy5dwsq6jye
Record-Route: <sip:217.0.20.195:5061;transport=TLS;lr>
Call-ID: p65540t1570108521m378032c299263169s2
From: <sip:+4945678901234 at tmobile.de;user=phone>;tag=h7g4Esbg_p65540t1570108521m378032c299263169s1_1621954413-1461120854
To: <sip:+491234567890 at telekom.de;user=phone>;tag=94f22858-9c32-44c5-8a45-76964f62684a
CSeq: 1 INVITE
Server: FPBX-14.0.11(16.5.1)
Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, MESSAGE, REFER
Contact: <sip:12.13.14.15:5061;transport=TLS>
Supported: 100rel, timer, replaces, norefersub
Session-Expires: 1800;refresher=uac
Require: timer
Content-Type: application/sdp
Content-Length:   368

v=0
o=- 1011696818 1621954176 IN IP4 12.13.14.15
s=Asterisk
c=IN IP4 12.13.14.15
t=0 0
m=audio 10032 RTP/SAVP 9 8 102
a=3ge2ae:requested
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:OnkHAdHasSl83UnyFNuDSrBx+OsRF8DRZ6c5PnmJ
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:102 telephone-event/8000
a=fmtp:102 0-16
a=ptime:20
a=maxptime:150
a=sendrecv



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