The APV crashes with a segmentation fault when handling an excessive volume of TLSv1.3 traffic.

Root Cause:

Based on analysis of the previous core dump, the issue stems from a NULL pointer access to rp in ./usr/src/sys/click/app/ssl/tlsv13_server.c:1873. This results in a segmentation fault, ultimately causing the APV system to crash.
Fix Details:

To address this, a fail-safe check has been implemented: if rp is NULL, the function returns ACTION_ERROR, which subsequently triggers ssl_error() to reset the connection gracefully.
Result:

After applying the fail-safe mechanism to tlsv13_state_send_helloretryrequest(), a test was conducted using the same topology—approximately 30,000 RPS sustained for 100 seconds. The APV ran without any crashes or failures during the test.