Bug ID 746877: Omitted check for success of memory allocation for DNSSEC resource record

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP DNS(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,,,,,,,, 12.1.4, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,,, 14.0.0,,,,, 14.1.0,,,,

Fixed In:

Opened: Oct 15, 2018
Severity: 3-Major


The TMM may panic from SIGABRT while logging this message: ./rdata.c:25: ldns_rdf_size: Assertion `rd != ((void *)0)' failed.


TMM panic and subsequent interruption of network traffic.


During memory stress while handling DNSSEC traffic.


Keeping the workload within normal ranges reduces the probability of encounter.

Fix Information

The system now checks for success of memory allocation for DNSSEC resource record, so this issue no longer occurs.

Behavior Change