Re: NSD database memory usage

"W.C.A. Wijngaards" <[email protected]> Tue, 6 Feb 2018 15:14:58 +0100

Newsgroups	gmane.network.dns.nsd.general
Message-ID	<[email protected]>

Hi Antti,

On 06/02/18 15:08, Antti Ristimäki wrote:
> Hi,
> 
> ----- On 6 Feb, 2018, at 15:46, Anand Buddhdev [email protected] wrote:
> 
>> On 06/02/2018 13:58, W.C.A. Wijngaards wrote:
>>
>>> Hi Antti,
>>>
>>> It is a memory leak, thank you for the report!  Fixed it, code is copied
>>> below and in the code repository.  It happens when unknown RR formatted
>>> RRs are read from zonefile.
>>
>> Hi Wouter, thanks for the quick fix!
>>
>> So Antti, which unusual RRs do you have in your zone?
> 
> That's something I also wonder, as the zone in question contains only very usual RRs, mainly delegation NS records. There are quite a lot of IDN names but that should probably be business as usual.
> 
> I will try to look at the zone contents if I find anything. Wouter, anything particular in mind that I should be searching for?

RRs printed in the \#length hexadecimals format cause the problem that I
found.  Regardless if the type was known to NSD, it was the text
formatting in the parser that leaked.

If the problem is still there (after using patch?) then it maybe
possible to reproduce with (a smaller subset of) the zone?

Best regards, Wouter

> 
> Antti
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