That PC address, 0x6b726f77, looks like ASCII... 'work' if I decode it. That smells like you're trying to put too much data into one of the class members, overwriting your return address with ascii data. That PC address, 0x6b726f77, looks like ASCII... 'work' if I decode it. That smells like you're...

I'm building a program that reads data from a RFID receiver through UART2 on ESP32 chip. However there's a strange phenomenon. Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled. Core 1 register dump: PC : 0x6b726f77 PS : 0x00060330 A0 : 0x800d0c89 A1 : 0x3ffb1f50 A...