small ddos (press F5) crash: async_tcp ....watchdog got triggered

[Red-Owl]

multiple request on file'S cause:

E (47645) task_wdt: Task watchdog got triggered. The following tasks did not reset the watchdog in time:
E (47645) task_wdt: - async_tcp (CPU 0/1)
E (47645) task_wdt: Tasks currently running:
E (47645) task_wdt: CPU 0: IDLE
E (47645) task_wdt: CPU 1: async_tcp
E (47645) task_wdt: Aborting.

the server restart. server crash in random where normal webpage read or update websoket data

[Red-Owl]

server.serveStatic("/", SD, "/").setCacheControl("max-age=3600");

<-- multiple (many) request cause server panic in async tcp
if remove this function and send muliple request server not crash

[StudBoy646]

Can you please tell me in which file this function is present ?