--- x/lib/iov_iter.c
+++ y/lib/iov_iter.c
@@ -1727,6 +1727,10 @@ static ssize_t iov_iter_extract_bvec_pag
 
 		(*pages)[k++] = bv.bv_page;
 		size += bv.bv_len;
+		if (size > maxsize) {
+			size = maxsize;
+			break;
+		}
 
 		if (k >= maxpages)
 			break;