Bug ID 1322497: GTM monitor recv string with special characters causes frequent iquery reconnects

Last Modified: Jan 16, 2024

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

Known Affected Versions:
14.1.5.4, 14.1.5.6, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1

Opened: Jul 20, 2023

Severity: 2-Critical

Symptoms

Resources flap, frequent iquery reconnects occur. Logs similar to this: err gtmd[12952]: 011ae0fa:3: iqmgmt_receive: SSL error: SSL read (6) err gtmd[12952]: 011ae0fa:3: During SSL shutdown: SSL error: SSL_ERROR_SYSCALL (5) err gtmd[12952]: 011ae0fa:3: iqmgmt_receive: SSL error: SSL read (6) err gtmd[12952]: 011ae0fa:3: During SSL shutdown: SSL error: SSL_ERROR_SYSCALL (5) 012b2004:4: XML parsing error not well-formed (invalid token) at line 3810 012b2004:4: XML parsing error not well-formed (invalid token) at line 7719 012b2004:4: XML parsing error not well-formed (invalid token) at line 16837 012b2004:4: XML parsing error not well-formed (invalid token) at line 298

Impact

--Monitor flaps. --Frequent iquery reconnects.

Conditions

GTM monitor recv string containing special characters like below: recv "\{\x94status\x94:\x94UP\x94"

Workaround

No special characters in GTM recv string.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips