Last Modified: Jul 12, 2023
Affected Product(s):
BIG-IP (all modules)
Known Affected Versions:
11.4.0, 11.4.1
Fixed In:
11.5.0, 11.4.1 HF9
Opened: May 29, 2013 Severity: 3-Major
When an iRule raises an error, it may cause SPDY to free the TCL context early. This can cause a NULL pointer to be dereferenced, crashing the TMM.
TMM crash
SPDY is used, and an iRule event above spdy in the chain has an error.
Most iRules do not cause TCL errors. (They would normally kill the flow anyway.) Re-write your iRule to avoid syntax errors, invalid function calls etc.
An error within an iRule will no longer cause SPDY to cause the TMM to crash.