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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-01 23:04:54 +01:00
Marco Elver
b5f6e0fc7d
This changes {,__}kasan_check_{read,write} functions to return a boolean
denoting if the access was valid or not.
[[email protected]: include types.h for "bool"]
Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Marco Elver <[email protected]>
Signed-off-by: Stephen Rothwell <[email protected]>
Reviewed-by: Andrey Ryabinin <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Kees Cook <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_KASAN_CHECKS_H
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#define _LINUX_KASAN_CHECKS_H
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#include <linux/types.h>
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/*
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* __kasan_check_*: Always available when KASAN is enabled. This may be used
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* even in compilation units that selectively disable KASAN, but must use KASAN
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* to validate access to an address. Never use these in header files!
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*/
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#ifdef CONFIG_KASAN
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bool __kasan_check_read(const volatile void *p, unsigned int size);
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bool __kasan_check_write(const volatile void *p, unsigned int size);
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#else
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static inline bool __kasan_check_read(const volatile void *p, unsigned int size)
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{
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return true;
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}
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static inline bool __kasan_check_write(const volatile void *p, unsigned int size)
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{
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return true;
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}
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#endif
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/*
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* kasan_check_*: Only available when the particular compilation unit has KASAN
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* instrumentation enabled. May be used in header files.
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*/
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#ifdef __SANITIZE_ADDRESS__
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#define kasan_check_read __kasan_check_read
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#define kasan_check_write __kasan_check_write
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#else
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static inline bool kasan_check_read(const volatile void *p, unsigned int size)
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{
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return true;
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}
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static inline bool kasan_check_write(const volatile void *p, unsigned int size)
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{
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return true;
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}
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#endif
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#endif
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