Bug in bind 9.7.3?

Michael Sinatra michael at rancid.berkeley.edu
Thu May 26 19:01:24 UTC 2011



On Thu, 26 May 2011, Frank Kloeker wrote:

> Hi,
>
> I using bind 9.7.3 as resolver in a slightly larger server farm with
> some mail servers that use domain key validation.
> If a try
>
> # host -t TXT _adsp._domainkey.federalreserve.gov
>
> bind dies with
>
> May 26 19:59:02 resolv04 named[8237]: buffer.c:285: REQUIRE(b->used + 1
> <= b->length) failed
> May 26 19:59:02 resolv04 named[8237]: exiting (due to assertion failure)
>
> This is reproducible and should only affected in 9.7.3. Can this be
> possible?

Yes, UC Berkeley had 7 of 8 anycast servers die in the same way, and I do 
recall seeing exactly that query earlier in the stream.  I think you're on 
to something, and I am looking into it further.

michael




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