Bug 14024

Summary: Knot Resolver crashes on too many host definitions using the same IP address
Product: IPFire Reporter: Michael Tremer <michael.tremer>
Component: ---Assignee: Michael Tremer <michael.tremer>
Status: NEW --- QA Contact:
Severity: Crash    
Priority: Will only affect a few users CC: adolf.belka
Version: 2   
Hardware: unspecified   
OS: Unspecified   
URL: https://gitlab.nic.cz/knot/knot-resolver/-/work_items?show=eyJpaWQiOiI5NTYiLCJmdWxsX3BhdGgiOiJrbm90L2tub3QtcmVzb2x2ZXIiLCJpZCI6MjcyMjZ9
Bug Depends on:    
Bug Blocks: 13972    

Description Michael Tremer 2026-07-21 13:56:11 UTC
When too many host definitions are configured all pointing at the same IP address, Knot Resolver crashes with an assertion:

> https://community.ipfire.org/t/ipfire-2-29-core-update-203-testing/15880/104?u=ms

This has been reported upstream here:

> https://gitlab.nic.cz/knot/knot-resolver/-/work_items?show=eyJpaWQiOiI5NTYiLCJmdWxsX3BhdGgiOiJrbm90L2tub3QtcmVzb2x2ZXIiLCJpZCI6MjcyMjZ9