diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 94602d1f7e6f..c9289597522f 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -262,8 +262,11 @@ static int io_ring_buffers_peek(struct io_kiocb *req, struct buf_sel_arg *arg,
 		/* truncate end piece, if needed, for non partial buffers */
 		if (len > arg->max_len) {
 			len = arg->max_len;
-			if (!(bl->flags & IOBL_INC))
+			if (!(bl->flags & IOBL_INC)) {
+				if (iov != arg->iovs)
+					break;
 				buf->len = len;
+			}
 		}
 
 		iov->iov_base = u64_to_user_ptr(buf->addr);