Bug ID 2289885: Malformed protobuf file synced from secondary blades cause asmlogs coredump

Last Modified: Apr 28, 2026

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

Known Affected Versions:
17.1.3, 17.1.3.1, 17.5.1.3, 17.5.1.4, 17.5.1.5, 21.0.0, 21.0.0.1

Opened: Apr 25, 2026

Severity: 3-Major

Symptoms

asmlogd spontaneously coredump on the tenant (SIGSEGV) asmlogd log shows "Secondary file /var/asmdata1/cluster/request_log/transfer/request_log__20260331_230212__slot_2 does not match integrity check", right before the crash.

Impact

asmlogd spontaneously crashed on the primary blade and then restarted automatically in about 30seconds

Conditions

ASM provisioned multi-blade platform with at least 2 blades

Workaround

none

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips