[asterisk-bugs] [JIRA] (ASTERISK-23650) Segfault in string functions

[Roel van Meer (JIRA)]

Roel van Meer created ASTERISK-23650:
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             Summary: Segfault in string functions
                 Key: ASTERISK-23650
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23650
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_macro, Applications/app_queue, Functions/func_strings
    Affects Versions: 1.8.26.1
         Environment: Slackware linux 13.1, 64-bit, kernel 3.10.24, kernel 3.10.34 
            Reporter: Roel van Meer
            Severity: Minor


When an incoming SIP call is received, asterisk crashes. This happens intermittently, sometimes often, sometimes only seldom. The crash seems to happen at or just after a specific entry in my dialplan, which is

exten => call-queue1,n,Macro(clog,Incoming from ${CALLERID(num)} <${CALLERID(name)}> to ${EXTEN_ORG} queue 1 with members ${REPLACE(REPLACE(QUEUE_MEMBER_LIST(${INCOMING_ACTION}),"Local/@phoneSIP"),",", )})

The called macro at that point is:

[macro-clog]
exten => s,1,Set(RETURN_CONTEXT=${MACRO_CONTEXT})
exten => s,n,Log(NOTICE,${CALLID}: ${ARG1} [${MACRO_EXTEN}:${MACRO_PRIORITY} @ ${MACRO_CONTEXT}])
exten => h,1,GotoIf(${EXISTS(${RETURN_CONTEXT})}?${RETURN_CONTEXT},h,1)
exten => h,n,Hangup(16)

If the crash occurs, there is no result of the Log() in the asterisk log. I have not yet found the exact point of the crash, but I suspect the initial line, not the macro, because the macro works well in other places (and has done so for years), while the initial line is new.



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