diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 0e266772beae..685a375bb6af 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5634,8 +5634,14 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dstv,
 	char *dst = (char *)dstv;
 	unsigned long i = start >> PAGE_SHIFT;
 
-	if (check_eb_range(eb, start, len))
+	if (check_eb_range(eb, start, len)) {
+		/*
+		 * Invalid range hit, reset the memory, so callers won't get
+		 * some random garbage for their uninitialzed memory.
+		 */
+		memset(dstv, 0, len);
 		return;
+	}
 
 	offset = offset_in_page(start);