BIND 9.7.3-P3 crash on multiple cashing servers

[Samer Khattab]

I found the following in the logs:

16-Nov-2011 08:26:58.724 query.c:1781: INSIST(!
dns_rdataset_isassociated(sigrdataset)) failed, back trace
16-Nov-2011 08:26:58.738 #0 0x41130b in assertion_failed()+0x4b
16-Nov-2011 08:26:58.738 #1 0x5560da in isc_assertion_failed()+0xa
16-Nov-2011 08:26:58.738 #2 0x418181 in query_addadditional2()+0x1181
16-Nov-2011 08:26:58.738 #3 0x4b841f in dns_rdata_additionaldata()+0xcf
16-Nov-2011 08:26:58.738 #4 0x4e58fb in dns_rdataset_additionaldata()+0xdb
16-Nov-2011 08:26:58.738 #5 0x414d23 in query_addrrset()+0x253
16-Nov-2011 08:26:58.738 #6 0x419e9d in query_find()+0x1ccd
16-Nov-2011 08:26:58.738 #7 0x41be9b in ns_query_start()+0x36b
16-Nov-2011 08:26:58.738 #8 0x4096a6 in client_request()+0x1046
16-Nov-2011 08:26:58.738 #9 0x57039c in run()+0x1dc
16-Nov-2011 08:26:58.738 #10 0x3ab6c0673d in _fini()+0x3ab6683b45
16-Nov-2011 08:26:58.738 #11 0x3ab60d3d1d in _fini()+0x3ab5b51125
16-Nov-2011 08:26:58.738 exiting (due to assertion failure)





On Wed, Nov 16, 2011 at 1:01 PM, Stephane Bortzmeyer <bortzmeyer at nic.fr>wrote:

> On Wed, Nov 16, 2011 at 12:08:59PM +0400,
>  Samer Khattab <skhattab at gmail.com> wrote
>  a message of 38 lines which said:
>
> > 8 of our cashing-only name servers crashed in a random sequence, and
> > the crash happened in a 10 minutes time. The servers are running
> > BIND 9.7.3-P3.
>
> Not the only report, it seems. What's in the logs?
>
> > The crash produced a core dump for the named process.
>
> Send it to ISC ASAP <http://www.isc.org/security/reporting-issues>.
>
> > Does anybody has a similar case recently? Is this a security issue ?
>
> It seems so.
>
>
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