NSX UI reporting application crash for edge nodes, generating core.dp-fp* core dumps.

Products

• VMware NSX

Issue/Introduction

• NSX UI reports an alarm "application on nsx node has crashed" for edge nodes.
• On the affected edge node, under the /var/log/core folder, we see core dumps with the name core.dp-fp*.gz.
• IPSec VPN is being used.
• On the affected edge node, in the /var/log/syslog.log file, we see segmentation fault leading to the generation of the core dump:
  
  2024-08-01T12:50:35.443Z edge-hostname kernel - - - [1479286.336086] grsec: Segmentation fault occurred at 0000000000000020 in /opt/vmware/nsx-edge/sbin/datapathd[dp-fp:7:52540] uid/euid:0/0 gid/egid:124/124, parent /opt/vmware/edge/dpd/entrypoint.sh[entrypoint.sh:52120] uid/euid:0/0 gid/egid:124/124
[..]
2024-08-01T12:57:04.170Z edge-hostname NSX 50685 - [nsx@6876 comp="nsx-edge" subcomp="node-mgmt" username="root" level="INFO"] Service datapathd coredump at 2024-08-01 12:56:40 file /var/log/core/core.dp-fp:7.1722516635.52219.0.11.gz

Environment

VMware NSX 4.x

Cause

Ports get deleted causing the internal interface in UID to become null.

Resolution

The issue has been fixed in nsx version 4.1.2.3.