Bug ID 1103833: Tmm core with SIGSEGV in gtmpoolmbr_UpdateStringProc

Last Modified: Mar 21, 2023

Bug Tracker

Affected Product:  See more info
BIG-IP GTM(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,,

Opened: Apr 29, 2022
Severity: 2-Critical


Tmm cored with SIGSEGV.


Traffic disrupted while tmm restarts.


-- iRule pool command with member which is determined at run-time -- A pool member is used for the iRule -- The previous pool member is deleted and then re-created using the same name -- That pool member is picked again for the next iRule event.


Use a string command to category the pool member variable like this: pool dnspool member [string trim $pool_member]

Fix Information


Behavior Change