[asterisk-bugs] [JIRA] (ASTERISK-25275) A11 SIGSEGV from pjnpath check_cached_response (ast_rtcp_read -> pj_stun_session_on_rx_pkt)

[Dade Brandon (JIRA)]

Dade Brandon created ASTERISK-25275:
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             Summary: A11 SIGSEGV from pjnpath check_cached_response (ast_rtcp_read -> pj_stun_session_on_rx_pkt)
                 Key: ASTERISK-25275
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25275
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
    Affects Versions: 11.18.0
         Environment: Ubuntu 14.04.2; Linux 3.13.0-24-generic SMP; Intel E3-1231 
Openssl 1.0.1f-1ubuntu2.15 (Jun 11 2015; most recent available) 
libsrtp0 / libsrtp0-dev 1.4.5~20130609~dfsg-1
            Reporter: Dade Brandon


This may be a duplicate of my other just-created issue, ASTERISK-25274, however since the backtrace has a different signal point, I am following previous instruction to create separate issues.

We have the patch from ASTERISK-25103 added to trunk 11 with a few custom patches (mostly just debug messages). The following crash occurs infrequently (1-5 times per week, usually batched together and on the same server(s); based on the pattern I imagine that there is a remote factor in whether or not the crash occurs, such as a slow peer )

A full backtrace and debug log will be attached shortly after this issue is created;  here is a snip of the top chunk of the backtrace, for assistance in reviewing the issue:

{noformat}
Program terminated with signal SIGSEGV, Segmentation fault.
#0 check_cached_response
#1 pj_stun_session_on_rx_pkt ()
#2 pj_ice_sess_on_rx_pkt ()
#3 __rtp_recvfrom
 (instance=0xvalidptr, buf=0xvalidptr, size=8192, flags=0, sa=validptr, rtcp=1)
{noformat}



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