Re: 800RC1 valgrind-detected bug ? - Mailing list pgsql-hackers

From Oliver Jowett
Subject Re: 800RC1 valgrind-detected bug ?
Date
Msg-id 41BF561F.4020406@opencloud.com
Whole thread Raw
In response to Re: 800RC1 valgrind-detected bug ?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> strk <strk@keybit.net> writes:
> 
>>==15489== Syscall param write(buf) contains uninitialised or unaddressable byte(s)
> 
> Valgrind is fairly useless for debugging postgres, because it doesn't
> know the difference between alignment-pad bytes in a struct and real
> data.  What you've got here is a gripe arising from writing out a
> struct containing padding.

Is there any risk of leaking sensitive data to a file or the network via 
those uninitialized alignment padding bytes?

-O


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