Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754869AbbEECZM (ORCPT ); Mon, 4 May 2015 22:25:12 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:50780 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899AbbEEBV4 (ORCPT ); Mon, 4 May 2015 21:21:56 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Yann Droneaud" , "Eli Cohen" , "Eli Cohen" , "Roland Dreier" Date: Tue, 05 May 2015 02:16:39 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 218/221] IB/core: Avoid leakage from kernel to user space In-Reply-To: X-SA-Exim-Connect-IP: 192.168.4.249 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1235 Lines: 36 3.2.69-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Eli Cohen commit 377b513485fd885dea1083a9a5430df65b35e048 upstream. Clear the reserved field of struct ib_uverbs_async_event_desc which is copied to user space. Signed-off-by: Eli Cohen Reviewed-by: Yann Droneaud Signed-off-by: Roland Dreier Signed-off-by: Ben Hutchings Cc: Yann Droneaud --- drivers/infiniband/core/uverbs_main.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -451,6 +451,7 @@ static void ib_uverbs_async_handler(stru entry->desc.async.element = element; entry->desc.async.event_type = event; + entry->desc.async.reserved = 0; entry->counter = counter; list_add_tail(&entry->list, &file->async_file->event_list); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/