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| author | Marco Elver <elver@google.com> | 2020-01-21 17:05:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-21 09:41:59 +0100 |
| commit | 76d6f06c36a3b5cc402eeeb709613cb211fdaa8f (patch) | |
| tree | 2149fc9058bd079c85c6f64503579135d86e537b /include/linux/uaccess.h | |
| parent | d0ef4c360f7ea33905539b9b36fa2273915703f0 (diff) | |
| download | linux-76d6f06c36a3b5cc402eeeb709613cb211fdaa8f.tar.gz linux-76d6f06c36a3b5cc402eeeb709613cb211fdaa8f.tar.bz2 linux-76d6f06c36a3b5cc402eeeb709613cb211fdaa8f.zip | |
copy_to_user, copy_from_user: Use generic instrumented.h
This replaces the KASAN instrumentation with generic instrumentation,
implicitly adding KCSAN instrumentation support.
For KASAN no functional change is intended.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/uaccess.h')
| -rw-r--r-- | include/linux/uaccess.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 67f016010aad..8a215c5c1aed 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -2,9 +2,9 @@ #ifndef __LINUX_UACCESS_H__ #define __LINUX_UACCESS_H__ +#include <linux/instrumented.h> #include <linux/sched.h> #include <linux/thread_info.h> -#include <linux/kasan-checks.h> #define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS) @@ -58,7 +58,7 @@ static __always_inline __must_check unsigned long __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) { - kasan_check_write(to, n); + instrument_copy_from_user(to, from, n); check_object_size(to, n, false); return raw_copy_from_user(to, from, n); } @@ -67,7 +67,7 @@ static __always_inline __must_check unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { might_fault(); - kasan_check_write(to, n); + instrument_copy_from_user(to, from, n); check_object_size(to, n, false); return raw_copy_from_user(to, from, n); } @@ -88,7 +88,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) static __always_inline __must_check unsigned long __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) { - kasan_check_read(from, n); + instrument_copy_to_user(to, from, n); check_object_size(from, n, true); return raw_copy_to_user(to, from, n); } @@ -97,7 +97,7 @@ static __always_inline __must_check unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) { might_fault(); - kasan_check_read(from, n); + instrument_copy_to_user(to, from, n); check_object_size(from, n, true); return raw_copy_to_user(to, from, n); } @@ -109,7 +109,7 @@ _copy_from_user(void *to, const void __user *from, unsigned long n) unsigned long res = n; might_fault(); if (likely(access_ok(from, n))) { - kasan_check_write(to, n); + instrument_copy_from_user(to, from, n); res = raw_copy_from_user(to, from, n); } if (unlikely(res)) @@ -127,7 +127,7 @@ _copy_to_user(void __user *to, const void *from, unsigned long n) { might_fault(); if (access_ok(to, n)) { - kasan_check_read(from, n); + instrument_copy_to_user(to, from, n); n = raw_copy_to_user(to, from, n); } return n; |