[PATCH] unwind deferred: Annotate struct unwind_cache with __counted_by

[Thorsten Blum]

Add the __counted_by() compiler attribute to the flexible array member
'entries' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
 include/linux/unwind_deferred_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/unwind_deferred_types.h b/include/linux/unwind_deferred_types.h
index 33b62ac25c86..d4b67f0116f3 100644
--- a/include/linux/unwind_deferred_types.h
+++ b/include/linux/unwind_deferred_types.h
@@ -5,7 +5,7 @@
 struct unwind_cache {
 	unsigned long		unwind_completed;
 	unsigned int		nr_entries;
-	unsigned long		entries[];
+	unsigned long		entries[] __counted_by(nr_entries);
 };
 
 /*
-- 
2.51.1