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Bug #10624

closed

Memory leak in Unbound with Python module and DHCP lease registration active

Added by Adrien Carlyle over 4 years ago. Updated almost 2 years ago.

Status:
Resolved
Priority:
Normal
Category:
DNS Resolver
Target version:
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
23.01
Release Notes:
Default
Affected Version:
2.4.5
Affected Architecture:
All

Description

Issue reported and diagnosed on forums here: Was able to see evidence of this on SG-1100 and SG-3100.
https://forum.netgate.com/topic/154113/sg-1100-2-4-5-unbound-python-module-dhcp-lease-dns-registration-memory-leak

TLDR: When an unbound python module is configured, and the "Register DHCP leases in the DNS resolver" option is enabled. DHCP clients joining the network cause unbound memory usage to increase each time.

If I disable either the python module, or the option to register leases, things appear to function normally.


Related issues

Related to Bug #5413: Reduce disruptions when changing DNS records from DHCP leases in UnboundResolvedChristian McDonald11/10/2015

Actions
Related to Regression #11316: Unbound crashes with signal 11 when reloadingResolvedChristian McDonald

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