File: error-inject.c

package info (click to toggle)
linux 6.12.63-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,675,632 kB
  • sloc: ansic: 25,912,022; asm: 269,631; sh: 136,601; python: 65,458; makefile: 55,710; perl: 37,753; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (14 lines) | stat: -rw-r--r-- 365 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
// SPDX-License-Identifier: GPL-2.0+
#include <asm/ptrace.h>
#include <linux/error-injection.h>
#include <linux/kprobes.h>

void override_function_with_return(struct pt_regs *regs)
{
	/*
	 * Emulate 'br 14'. 'regs' is captured by kprobes on entry to some
	 * kernel function.
	 */
	regs->psw.addr = regs->gprs[14];
}
NOKPROBE_SYMBOL(override_function_with_return);