Google Chrome versions before 87.0.4280.88 integer overflow during SimplfiedLowering phase

This module exploits an issue in Google Chrome versions before 87.0.4280.88 64 bit. The exploit makes use of an integer overflow in the SimplifiedLowering phase in turbofan. It is used along with a type hardening bypass using ArrayPrototypeShift to create a JSArray with a length of -1. This is...