unbound dies: buffer overflow

[sean darcy]

On 6/5/19 1:28 AM, Wouter Wijngaards via Unbound-users wrote:
> Hi Sean,
> 
> You should upgrade to the latest version, and for that the latest from
> the code repository.  That has bug fixes in the auth zone update code
> that should resolve the issue, I think, that you have.
> 
> Best regards, Wouter
> 
> On 04/06/2019 20:48, sean darcy via Unbound-users wrote:
>> Fedora 29, unbound-1.8.3-2.fc29.x86_64.
>>
>> unbound dies with buffer overflow. Any setting I can change ?
>>
>> May 25 10:30:21 lenovo-gateway.riverside systemd[1]: Starting Unbound
>> recursive Domain Name Server...
>> May 25 10:30:22 lenovo-gateway.riverside unbound-checkconf[1047]:
>> unbound-checkconf: no errors in /etc/unbound/unbound.c>
>> May 25 10:30:23 lenovo-gateway.riverside systemd[1]: Started Unbound
>> recursive Domain Name Server.
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> notice: init module 0: ipsecmod
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> notice: init module 1: validator
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> notice: init module 2: iterator
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> start of service (unbound 1.8.3).
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master k.root->
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master g.root->
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master f.root->
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master e.root->
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master c.root->
>> May 25 10:30:24 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master b.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master k.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master g.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master f.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master e.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master c.root->
>> May 25 10:30:27 lenovo-gateway.riverside unbound[1078]: [1078:0]
>> error: .: failed lookup, cannot probe to master b.root->
>> May 25 10:30:33 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 25 10:30:42 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 26 09:27:04 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 27 08:00:58 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 28 06:06:31 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 29 04:18:58 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 30 03:44:12 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> May 31 02:26:53 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 01 02:04:21 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 02 02:03:43 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 03 01:40:56 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 04 01:05:58 lenovo-gateway.riverside unbound[1078]: [1078:0] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 04 06:22:35 lenovo-gateway.riverside unbound[1078]: [1078:2] info:
>> generate keytag query _ta-4f66. NULL IN
>> Jun 04 06:22:36 lenovo-gateway.riverside unbound[1078]: *** buffer
>> overflow detected ***: /usr/sbin/unbound terminated
>> Jun 04 06:22:36 lenovo-gateway.riverside systemd[1]: unbound.service:
>> Main process exited, code=killed, status=6/ABRT
>> Jun 04 06:22:36 lenovo-gateway.riverside systemd[1]: unbound.service:
>> Failed with result 'signal'.
> 

Ok, Now running 1.9.2 rc1. So far so good.

Odd that Fedora 29 and 30 is still at 1.8.3.