In order to prepare KASAN helpers to be called from the eBPF subsystem
(to add KASAN instrumentation at runtime when JITing eBPF programs),
expose the __asan_{load,store}X functions in linux/kasan.hSigned-off-by: Alexis Lothoré (eBPF Foundation) <[email protected]> --- include/linux/kasan.h | 13 +++++++++++++ mm/kasan/kasan.h | 10 ---------- 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 338a1921a50a..6f580d4a39e4 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -710,4 +710,17 @@ void kasan_non_canonical_hook(unsigned long addr); static inline void kasan_non_canonical_hook(unsigned long addr) { } #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ +#ifdef CONFIG_KASAN_GENERIC +void __asan_load1(void *p); +void __asan_store1(void *p); +void __asan_load2(void *p); +void __asan_store2(void *p); +void __asan_load4(void *p); +void __asan_store4(void *p); +void __asan_load8(void *p); +void __asan_store8(void *p); +void __asan_load16(void *p); +void __asan_store16(void *p); +#endif /* CONFIG_KASAN_GENERIC */ + #endif /* LINUX_KASAN_H */ diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index fc9169a54766..3bfce8eb3135 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -594,16 +594,6 @@ void __asan_handle_no_return(void); void __asan_alloca_poison(void *, ssize_t size); void __asan_allocas_unpoison(void *stack_top, ssize_t stack_bottom); -void __asan_load1(void *); -void __asan_store1(void *); -void __asan_load2(void *); -void __asan_store2(void *); -void __asan_load4(void *); -void __asan_store4(void *); -void __asan_load8(void *); -void __asan_store8(void *); -void __asan_load16(void *); -void __asan_store16(void *); void __asan_loadN(void *, ssize_t size); void __asan_storeN(void *, ssize_t size); -- 2.53.0
