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

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP DNS(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips