Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * A minimal header declaring types added by KMSAN to existing kernel structs.
4 *
5 * Copyright (C) 2017-2022 Google LLC
6 * Author: Alexander Potapenko <glider@google.com>
7 *
8 */
9#ifndef _LINUX_KMSAN_TYPES_H
10#define _LINUX_KMSAN_TYPES_H
11
12/* These constants are defined in the MSan LLVM instrumentation pass. */
13#define KMSAN_RETVAL_SIZE 800
14#define KMSAN_PARAM_SIZE 800
15
16struct kmsan_context_state {
17 char param_tls[KMSAN_PARAM_SIZE];
18 char retval_tls[KMSAN_RETVAL_SIZE];
19 char va_arg_tls[KMSAN_PARAM_SIZE];
20 char va_arg_origin_tls[KMSAN_PARAM_SIZE];
21 u64 va_arg_overflow_size_tls;
22 char param_origin_tls[KMSAN_PARAM_SIZE];
23 u32 retval_origin_tls;
24};
25
26#undef KMSAN_PARAM_SIZE
27#undef KMSAN_RETVAL_SIZE
28
29struct kmsan_ctx {
30 struct kmsan_context_state cstate;
31 int kmsan_in_runtime;
32 bool allow_reporting;
33};
34
35#endif /* _LINUX_KMSAN_TYPES_H */