Add explicit KCSAN checks for bitops. Signed-off-by: Marco Elver <elver@xxxxxxxxxx> Acked-by: Arnd Bergmann <arnd@xxxxxxxx> --- include/asm-generic/bitops/instrumented-atomic.h | 14 +++++++------- include/asm-generic/bitops/instrumented-lock.h | 10 +++++----- .../asm-generic/bitops/instrumented-non-atomic.h | 16 ++++++++-------- 3 files changed, 20 insertions(+), 20 deletions(-) diff --git a/include/asm-generic/bitops/instrumented-atomic.h b/include/asm-generic/bitops/instrumented-atomic.h index 18ce3c9e8eec..fb2cb33a4013 100644 --- a/include/asm-generic/bitops/instrumented-atomic.h +++ b/include/asm-generic/bitops/instrumented-atomic.h @@ -11,7 +11,7 @@ #ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H #define _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H -#include <linux/kasan-checks.h> +#include <linux/instrumented.h> /** * set_bit - Atomically set a bit in memory @@ -25,7 +25,7 @@ */ static inline void set_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); arch_set_bit(nr, addr); } @@ -38,7 +38,7 @@ static inline void set_bit(long nr, volatile unsigned long *addr) */ static inline void clear_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); arch_clear_bit(nr, addr); } @@ -54,7 +54,7 @@ static inline void clear_bit(long nr, volatile unsigned long *addr) */ static inline void change_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); arch_change_bit(nr, addr); } @@ -67,7 +67,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr) */ static inline bool test_and_set_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); return arch_test_and_set_bit(nr, addr); } @@ -80,7 +80,7 @@ static inline bool test_and_set_bit(long nr, volatile unsigned long *addr) */ static inline bool test_and_clear_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); return arch_test_and_clear_bit(nr, addr); } @@ -93,7 +93,7 @@ static inline bool test_and_clear_bit(long nr, volatile unsigned long *addr) */ static inline bool test_and_change_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); return arch_test_and_change_bit(nr, addr); } diff --git a/include/asm-generic/bitops/instrumented-lock.h b/include/asm-generic/bitops/instrumented-lock.h index ec53fdeea9ec..b9bec468ae03 100644 --- a/include/asm-generic/bitops/instrumented-lock.h +++ b/include/asm-generic/bitops/instrumented-lock.h @@ -11,7 +11,7 @@ #ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_LOCK_H #define _ASM_GENERIC_BITOPS_INSTRUMENTED_LOCK_H -#include <linux/kasan-checks.h> +#include <linux/instrumented.h> /** * clear_bit_unlock - Clear a bit in memory, for unlock @@ -22,7 +22,7 @@ */ static inline void clear_bit_unlock(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); arch_clear_bit_unlock(nr, addr); } @@ -37,7 +37,7 @@ static inline void clear_bit_unlock(long nr, volatile unsigned long *addr) */ static inline void __clear_bit_unlock(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); arch___clear_bit_unlock(nr, addr); } @@ -52,7 +52,7 @@ static inline void __clear_bit_unlock(long nr, volatile unsigned long *addr) */ static inline bool test_and_set_bit_lock(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); return arch_test_and_set_bit_lock(nr, addr); } @@ -71,7 +71,7 @@ static inline bool test_and_set_bit_lock(long nr, volatile unsigned long *addr) static inline bool clear_bit_unlock_is_negative_byte(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_write(addr + BIT_WORD(nr), sizeof(long)); return arch_clear_bit_unlock_is_negative_byte(nr, addr); } /* Let everybody know we have it. */ diff --git a/include/asm-generic/bitops/instrumented-non-atomic.h b/include/asm-generic/bitops/instrumented-non-atomic.h index 95ff28d128a1..20f788a25ef9 100644 --- a/include/asm-generic/bitops/instrumented-non-atomic.h +++ b/include/asm-generic/bitops/instrumented-non-atomic.h @@ -11,7 +11,7 @@ #ifndef _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H #define _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H -#include <linux/kasan-checks.h> +#include <linux/instrumented.h> /** * __set_bit - Set a bit in memory @@ -24,7 +24,7 @@ */ static inline void __set_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); arch___set_bit(nr, addr); } @@ -39,7 +39,7 @@ static inline void __set_bit(long nr, volatile unsigned long *addr) */ static inline void __clear_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); arch___clear_bit(nr, addr); } @@ -54,7 +54,7 @@ static inline void __clear_bit(long nr, volatile unsigned long *addr) */ static inline void __change_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); arch___change_bit(nr, addr); } @@ -68,7 +68,7 @@ static inline void __change_bit(long nr, volatile unsigned long *addr) */ static inline bool __test_and_set_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); return arch___test_and_set_bit(nr, addr); } @@ -82,7 +82,7 @@ static inline bool __test_and_set_bit(long nr, volatile unsigned long *addr) */ static inline bool __test_and_clear_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); return arch___test_and_clear_bit(nr, addr); } @@ -96,7 +96,7 @@ static inline bool __test_and_clear_bit(long nr, volatile unsigned long *addr) */ static inline bool __test_and_change_bit(long nr, volatile unsigned long *addr) { - kasan_check_write(addr + BIT_WORD(nr), sizeof(long)); + instrument_write(addr + BIT_WORD(nr), sizeof(long)); return arch___test_and_change_bit(nr, addr); } @@ -107,7 +107,7 @@ static inline bool __test_and_change_bit(long nr, volatile unsigned long *addr) */ static inline bool test_bit(long nr, const volatile unsigned long *addr) { - kasan_check_read(addr + BIT_WORD(nr), sizeof(long)); + instrument_atomic_read(addr + BIT_WORD(nr), sizeof(long)); return arch_test_bit(nr, addr); } -- 2.25.0.341.g760bfbb309-goog