Squid is crashing with coredump after upgrade with 'assertion failed: Queue.cc:388: "EX"'

Issue

• After upgrade squid kid processes fails repeatedly with below errors:

  kid7| assertion failed: Queue.cc:388: "EX"
  

• These errors only occurs only till next restart.

  Feb 27 09:52:51 squid01.localhost squid[5837]: Squid Parent: squid-2 process 3020957 exited due to signal 6 with status 0
  Feb 27 09:52:51 squid01.localhost squid[5837]: Squid Parent: (squid-2) process 3020963 started
  Feb 27 09:52:51 squid01.localhost squid[5837]: Squid Parent: squid-2 process 3020963 exited due to signal 6 with status 0
  Feb 27 09:52:51 squid01.localhost squid[5137]: Squid Parent: (squid-2) process 3020965 started
  Feb 27 09:52:51 squid01.localhost squid[5137]: Squid Parent: squid-2 process 3020965 exited due to signal 6 with status 0
  Feb 27 09:52:51 squid01.localhost squid[5137]: Squid Parent: (squid-2) process 3020969 started
  Feb 27 09:52:52 squid01.localhost squid[5137]: Squid Parent: squid-2 process 3020969 exited due to signal 6 with status 0
  Feb 27 09:52:52 squid01.localhost squid[5137]: Squid Parent: (squid-2) process 3020971 started
  Feb 27 09:52:52 squid01.localhost squid[5137]: Squid Parent: squid-2 process 3020971 exited due to signal 6 with status 0
  Feb 27 09:52:52 squid01.localhost squid[5137]: Squid Parent: squid-2 process 3020971 will not be restarted for 3600 seconds due to repeated, frequent failures
  

• No failures are recorded after next restart of squid.