Comment on Big Sur panic when connect/disconnect usb-c dock Same crash after updating to 11.5 beta 5: panic(cpu 6 caller 0xffffff801369fc36): [kext.kalloc.2048]: element modified after free (off:1672, val:0xffffffff00000000, sz:2048, ptr:0xffffff936f017800, prot:zero) App & System Services Core OS Jul ’21