Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2
3#include <linux/linkage.h>
4#include <linux/error-injection.h>
5#include <linux/kprobes.h>
6
7asmlinkage void just_return_func(void);
8
9asm(
10 ".text\n"
11 ".type just_return_func, @function\n"
12 ".globl just_return_func\n"
13 "just_return_func:\n"
14 ASM_RET
15 ".size just_return_func, .-just_return_func\n"
16);
17
18void override_function_with_return(struct pt_regs *regs)
19{
20 regs->ip = (unsigned long)&just_return_func;
21}
22NOKPROBE_SYMBOL(override_function_with_return);