Bug ID 817917: TMM can crash when trying to send large packets

Last Modified: Sep 18, 2019

Bug Tracker

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

Known Affected Versions:
14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 15.0.0, 15.0.1

Opened: Aug 27, 2019
Severity: 3-Major

Symptoms

TMM crashes and produces a core file. TMM logs show the crash was of type SIGFPE, with the following panic message: Failed assert: xnet_lib.c:795: Valid tx packet

Impact

Traffic disrupted while tmm restarts.

Conditions

TMM tries to send large packets (more than 63 frags/packet).

Workaround

None.

Fix Information

None

Behavior Change