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Cisco Bug: CSCvu70313 - CUCM - CallManager core is observed for Callback scenario

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(2.10000.5) 11.5(1.10000.6) 12.0(1.10000.10) 12.5(1.10000.22)

Description (partial)

After testing callback scenario, a CallManager service core is observed with the following backtrace:
#0  0xf693bab4 in __strnlen_sse2 () from /usr/lib/
#1  0x585bfac5 in doSprintfPs (x=0x81cf8ecf <Address 0x81cf8ecf out of bounds>, this=0xecaa4344) at fastSprintf.cpp:746
#2  FastSprintfBuf::FAST_vsnprintf (this=<optimized out>, format=format@entry=0x58ffc600 "CBOrig::sendUserToDeviceData: encodeData = %s", arglist=<optimized out>)
    at fastSprintf.cpp:1321
#3  0x585c04b2 in FastSprintfBuf::FAST_vsnprintf (this=<optimized out>, this@entry=0xecaa4344, format=format@entry=0x58ffc600 "CBOrig::sendUserToDeviceData: encodeData = %s", 
    arglist=@0xecaa437c: 0xecaa43a4 "") at fastSprintf.cpp:1431
#4  0x585a08a2 in SdlTraceLine::formatPrintf (this=this@entry=0x5b43a978, _string=_string@entry=0x58ffc600 "CBOrig::sendUserToDeviceData: encodeData = %s", 
    _vaList=@0xecaa437c: 0xecaa43a4 "") at SdlTraceLine.cpp:254
#5  0x58594f5b in SdlSystemLog::appTracef (this=0x5b368700, _sdlProcessBase=0xe300b7ce, _appTraceMask=4196352, 
    _format=0x58ffc600 "CBOrig::sendUserToDeviceData: encodeData = %s") at SdlSystemLog.cpp:1298
#6  0x56b98edc in CBOrig::sendUserToDeviceData (this=this@entry=0xe300b7ce, fNodeId=fNodeId@entry=2, fParty=fParty@entry=0, fLineControlPid=..., fDeviceName=..., 
    inBuffer=inBuffer@entry=0x81cf8ecf <Address 0x81cf8ecf out of bounds>, screenIdentifier=screenIdentifier@entry=9, 
    featureBuffer=featureBuffer@entry=0xecaa8c80 "[Title:callback],[Status:available],[callednumber:802],[dialurl:UserCallData:0:0:0:33554441:Dial],[cancelurl:UserCallData:0:0:0:33554441:Cancel]") at ProcessCallBackOrig.cpp:5085
#7  0x56b99596 in CBOrig::buildAndSendXmlObject (this=this@entry=0xe383a7b0, fSsNodeId=2, fSsParty=fSsParty@entry=0, fLineControlPid=..., deviceName=..., 
    dpBuff=dpBuff@entry=0xecaaa470, errorNumber=errorNumber@entry=CB_NO_ERROR, fLocale=fLocale@entry=(unknown: 16), 
    fLocaleEncodingType=fLocaleEncodingType@entry=ENCODING_UTF8_ALT, screenIdentifier=screenIdentifier@entry=9) at ProcessCallBackOrig.cpp:5056

Ccm service crashes when using callback functionality. Due to lack of data we are not able to figure out the exact condition. Core file analysis points to an issue in the code.
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