/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Landlock - Errata information
*
* Copyright © 2025 Microsoft Corporation
*/
#ifndef _SECURITY_LANDLOCK_ERRATA_H
#define _SECURITY_LANDLOCK_ERRATA_H
#include <linux/init.h>
struct landlock_erratum {
const int abi;
const u8 number;
};
/* clang-format off */
#define LANDLOCK_ERRATUM(NUMBER) \
{ \
.abi = LANDLOCK_ERRATA_ABI, \
.number = NUMBER, \
},
/* clang-format on */
/*
* Some fixes may require user space to check if they are applied on the running
* kernel before using a specific feature . For instance , this applies when a
* restriction was previously too restrictive and is now getting relaxed ( for
* compatibility or semantic reasons ) . However , non - visible changes for
* legitimate use ( e . g . security fixes ) do not require an erratum .
*/
static const struct landlock_erratum landlock_errata_init[] __initconst = {
/*
* Only Sparse may not implement _ _ has_include . If a compiler does not
* implement _ _ has_include , a warning will be printed at boot time ( see
* setup . c ) .
*/
#ifdef __has_include
#define LANDLOCK_ERRATA_ABI 1
#if __has_include("errata/abi-1.h" )
#include "errata/abi-1.h"
#endif
#undef LANDLOCK_ERRATA_ABI
#define LANDLOCK_ERRATA_ABI 2
#if __has_include("errata/abi-2.h" )
#include "errata/abi-2.h"
#endif
#undef LANDLOCK_ERRATA_ABI
#define LANDLOCK_ERRATA_ABI 3
#if __has_include("errata/abi-3.h" )
#include "errata/abi-3.h"
#endif
#undef LANDLOCK_ERRATA_ABI
#define LANDLOCK_ERRATA_ABI 4
#if __has_include("errata/abi-4.h" )
#include "errata/abi-4.h"
#endif
#undef LANDLOCK_ERRATA_ABI
#define LANDLOCK_ERRATA_ABI 5
#if __has_include("errata/abi-5.h" )
#include "errata/abi-5.h"
#endif
#undef LANDLOCK_ERRATA_ABI
#define LANDLOCK_ERRATA_ABI 6
#if __has_include("errata/abi-6.h" )
#include "errata/abi-6.h"
#endif
#undef LANDLOCK_ERRATA_ABI
/*
* For each new erratum , we need to include all the ABI files up to the impacted
* ABI to make all potential future intermediate errata easy to backport .
*
* If such change involves more than one ABI addition , then it must be in a
* dedicated commit with the same Fixes tag as used for the actual fix .
*
* Each commit creating a new security / landlock / errata / abi - * . h file must have a
* Depends - on tag to reference the commit that previously added the line to
* include this new file , except if the original Fixes tag is enough .
*
* Each erratum must be documented in its related ABI file , and a dedicated
* commit must update Documentation / userspace - api / landlock . rst to include this
* erratum . This commit will not be backported .
*/
#endif
{}
};
#endif /* _SECURITY_LANDLOCK_ERRATA_H */
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