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[charm] valgrind: conditional jump or move depends on uninitialised value(s)


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  • From: Jozsef Bakosi <jbakosi AT lanl.gov>
  • To: charm AT lists.cs.illinois.edu
  • Subject: [charm] valgrind: conditional jump or move depends on uninitialised value(s)
  • Date: Sun, 23 Jun 2019 16:22:28 -0600
  • Authentication-results: illinois.edu; spf=pass smtp.mailfrom=jbakosi AT lanl.gov; dkim=pass header.d=lanl.gov header.s=lanl; dmarc=pass header.from=lanl.gov

Hi folks,

Running Charm++ code using migration and load balancing using valgrind
--tool=memcheck, I get the following:

110: ==10803== Conditional jump or move depends on uninitialised value(s)
110: ==10803== at 0x349386: LBCommData::equal(LBCommData const&) const
110: ==10803== by 0x3499A9: LBCommTable::HashSearch(LBCommData const&)
110: ==10803== by 0x3499F0: LBCommTable::HashInsertUnique(LBCommData
const&)
110: ==10803== by 0x347D6C: LBDB::Send(LDOMHandle const&, unsigned long
const&, unsigned int, int)
110: ==10803== by 0x2DF669: CkLocMgr::deliverMsg(CkArrayMessage*,
CkArrayID, unsigned long, CkArrayIndex const*, CkDeliver_t, int)
110: ==10803== by 0x2DFE5C: CkLocMgr::inform(CkArrayIndex const&, unsigned
long, int)
110: ==10803== by 0x2DFFF0: CkLocMgr::updateLocation(CkArrayIndex const&,
unsigned long, int)
110: ==10802== Conditional jump or move depends on uninitialised value(s)
110: ==10802== at 0x349386: LBCommData::equal(LBCommData const&) const
110: ==10802== by 0x3499A9: LBCommTable::HashSearch(LBCommData const&)
110: ==10803== by 0x2E00D2:
CkIndex_CkLocMgr::_call_updateLocation_marshall5(void*, void*)
110: ==10803== by 0x2BC100: CkDeliverMessageFree
110: ==10803== by 0x2C4996: _processHandler(void*, CkCoreState*)
110: ==10803== by 0x397596: CsdScheduleForever
110: ==10803== by 0x397804: CsdScheduler

Should I/we be concerned or should I just suppress this?

Please let me know if you need more info.

This is running Charm++ commit bdf2fe736 on Mar 4, 2019.

Thanks,
Jozsef


  • [charm] valgrind: conditional jump or move depends on uninitialised value(s), Jozsef Bakosi, 06/23/2019

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