[Bitcoin-development] Another uninitialized memory problem

Jeff Garzik jgarzik at bitpay.com
Tue Jun 3 17:40:38 UTC 2014


Does this fix it?  https://github.com/bitcoin/bitcoin/pull/4282


On Tue, Jun 3, 2014 at 12:47 PM, Toshi Morita <toshi at peernova.com> wrote:
> I looked at this a bit more yesterday, and it looks like both sides of the
> comparison were uninitialized, and I fixed one side, but the other side has
> the same problem.
>
> I'll try to investigate further this afternoon once I get out of
> meetings/meetings prep.
>
> Toshi
>
>
>
> On Tue, Jun 3, 2014 at 9:43 AM, Jeff Garzik <jgarzik at bitpay.com> wrote:
>>
>> I think I see the problem.
>>
>>
>> On Mon, Jun 2, 2014 at 4:01 PM, Toshi Morita <toshi at peernova.com> wrote:
>> > I'm seeing another uninitialized memory problem in bitcoind using
>> > valgrind:
>> >
>> > tm at tm-VirtualBox:~/bitcoind/bitcoin/src$ valgrind ./bitcoind
>> > ==2337== Memcheck, a memory error detector
>> > ==2337== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
>> > ==2337== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright
>> > info
>> > ==2337== Command: ./bitcoind
>> > ==2337==
>> > ==2337== Conditional jump or move depends on uninitialised value(s)
>> > ==2337==    at 0x319176: CWallet::LoadKeyMetadata(CPubKey const&,
>> > CKeyMetadata const&) (wallet.cpp:110)
>> > ==2337==    by 0x33645A: ReadKeyValue(CWallet*, CDataStream&,
>> > CDataStream&,
>> > CWalletScanState&, std::string&, std::string&) (walletdb.cpp:509)
>> > ==2337==    by 0x3374F0: CWalletDB::LoadWallet(CWallet*)
>> > (walletdb.cpp:623)
>> > ==2337==    by 0x3218FD: CWallet::LoadWallet(bool&) (wallet.cpp:1485)
>> > ==2337==    by 0x157F16: AppInit2(boost::thread_group&) (init.cpp:958)
>> > ==2337==    by 0x140142: AppInit(int, char**) (bitcoind.cpp:143)
>> > ==2337==    by 0x13649E: main (bitcoind.cpp:180)
>> > ==2337==
>> >
>> >
>> >
>> > ------------------------------------------------------------------------------
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>>
>>
>>
>> --
>> Jeff Garzik
>> Bitcoin core developer and open source evangelist
>> BitPay, Inc.      https://bitpay.com/
>
>



-- 
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/




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