Bug ID 1122809: The velos_dos_vlan_set_hw_stats_callback does not appear to handle memory allocation failures

Last Modified: Mar 30, 2024

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

Opened: Jun 29, 2022

Severity: 3-Major

Symptoms

Create a massive traffic to the BIG-IP to consume entire TMM memory. Then due to lack of memory, the result pointer becomes null.

Impact

TMM restart.

Conditions

- Using simple configuration with PBA, generating test traffic using T-Rex traffic simulator with simple HTTP GET use case. - The virtual server used during the test is /Common/vs-tcp-mbb-10.0.0.0-8. - First test generating cca 39Gbps, 123kCPS, generated 123k concurrent connections successfully, cca generated in time 11:11 to 11:13. - Second test generating cca 39Gbps, 123kCPS, generated 2.8M concurrent connections, TMM restarted after memory full, cca generated in time 11:16 to 11:20.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips