Bug ID 1089829: PEM A112 - Constant SIGSEGV cores on both peers

Last Modified: Sep 29, 2022

Bug Tracker

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7

Opened: Mar 24, 2022
Severity: 3-Major


SIGSEGV tmm cores with back trace in PEM area. "pem_sessiondump --list" command will show session with custom attribute name as empty/NULL.


Traffic disrupted while tmm restarts.


Setting pem session custom attribute value with length more than (1024- attribute name length).


In the iRule, make sure the custom attribute value size + custom attribute name length is not more than 1024.

Fix Information


Behavior Change