// SPDX-License-Identifier: GPL-2.0 #include <linux/error-injection.h> #include <linux/kprobes.h> void override_function_with_return(struct pt_regs *regs) { /* * 'regs' represents the state on entry of a predefined function in * the kernel/module and which is captured on a kprobe. * * When kprobe returns back from exception it will override the end * of probed function and directly return to the predefined * function's caller. */ instruction_pointer_set(regs, procedure_link_pointer(regs)); } NOKPROBE_SYMBOL(override_function_with_return);