summaryrefslogtreecommitdiff
path: root/mm/kasan/kasan.h
diff options
context:
space:
mode:
Diffstat (limited to 'mm/kasan/kasan.h')
-rw-r--r--mm/kasan/kasan.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index c79d30c6fcdb..3b349a6e799d 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -58,6 +58,13 @@
#define KASAN_ABI_VERSION 1
#endif
+/* Metadata layout customization. */
+#define META_BYTES_PER_BLOCK 1
+#define META_BLOCKS_PER_ROW 16
+#define META_BYTES_PER_ROW (META_BLOCKS_PER_ROW * META_BYTES_PER_BLOCK)
+#define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE)
+#define META_ROWS_AROUND_ADDR 2
+
struct kasan_access_info {
const void *access_addr;
const void *first_bad_addr;
@@ -170,6 +177,7 @@ bool check_invalid_free(void *addr);
void *find_first_bad_addr(void *addr, size_t size);
const char *get_bug_type(struct kasan_access_info *info);
+void metadata_fetch_row(char *buffer, void *row);
#if defined(CONFIG_KASAN_GENERIC) && CONFIG_KASAN_STACK
void print_address_stack_frame(const void *addr);