Cisco Bug: CSCuo41138 - TFTP service crashes generating core dump
Last Modified
Jan 23, 2019
Products (1)
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
8.6(2.10000.30) 9.1(2.10000.28)
Description (partial)
Symptom: TFTP service restarts. Alarm for core dump file generated. 'utils core analyze' from the CLI shows a backtrace similar to the following: ==================================== backtrace =================================== #0 0x08804ff2 in SdlProcessId::processName() const () #1 0x08833ceb in SdlTraceLine::formatPID(SdlProcessId const&) () #2 0x08834647 in SdlTraceLine::beginTraceLineDefinition(bool, char const*, char const*, char const*, SdlProcessId const&, SdlProcessId const&, SdlSignalTagBase const&, SdlTraceLine::LineType) () #3 0x08822fe7 in SdlSystemLog::sdlErrorTrace(char*, SdlSignal*, char*) () #4 0x087ff916 in SdlProcessBase::prepareSignal(SdlSignal&, SignalPriority const&, SdlProcessId const&) () #5 0x087ff1a5 in SdlProcessBase::output(SdlSignal&, SdlProcessId const&, SignalPriority) () #6 0x081b027f in Cluster::sendSearchReq(SearchReq&, SdlProcessId const&) () #7 0x081b0e0d in Cluster::recvSearchRsp(SearchRsp&) () #8 0x081b375f in Cluster::wait_SearchRsp(SdlSignal&) () #9 0x081b3c74 in Cluster::fireSignal(SdlSignal&) () #10 0x088013e5 in SdlProcessBase::inputSignal(SdlSignal*, SdlSystemLog::SignalTraceType, int, int, int, int, int, int) () #11 0x08806634 in SdlRouter::callProcess(SdlSignal*, bool&, SdlSystemLog::SignalTraceType, int, int, int, int, int, int) () #12 0x088068f8 in SdlRouter::scheduler() () #13 0x08806d6f in SdlRouter::schedulerInit(SdlRouter*) () #14 0x001696e1 in start_thread () from /lib/libpthread.so.0 #15 0x00e7fd3e in clone () from /lib/libc.so.6 The critical part is: #0 0x08804ff2 in SdlProcessId::processName() const () #1 0x08833ceb in SdlTraceLine::formatPID(SdlProcessId const&) () ctftp is crashing attempting to obtain and print a PID from memory. This happens because memory at this address is overwritten. Conditions: * CUCM and ctftp process crashing. TFTP process activated and running.
Related Community Discussions
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Status
- Severity
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases