blob: 407b992fb02fd5fff78db6f590e3462963beb2cd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
// SPDX-License-Identifier: GPL-2.0+
#include <linux/error-injection.h>
#include <linux/kprobes.h>
#include <linux/uaccess.h>
void override_function_with_return(struct pt_regs *regs)
{
/*
* Emulate 'blr'. 'regs' represents the state on entry of a predefined
* function in the kernel/module, captured on a kprobe. We don't need
* to worry about 32-bit userspace on a 64-bit kernel.
*/
regs->nip = regs->link;
}
NOKPROBE_SYMBOL(override_function_with_return);
|
