Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932692AbbFPI6j (ORCPT ); Tue, 16 Jun 2015 04:58:39 -0400 Received: from mail.kernel.org ([198.145.29.136]:57099 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932385AbbFPItT (ORCPT ); Tue, 16 Jun 2015 04:49:19 -0400 From: lizf@kernel.org To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Eli Cohen , Eli Cohen , Roland Dreier , Zefan Li Subject: [PATCH 3.4 153/172] IB/core: Avoid leakage from kernel to user space Date: Tue, 16 Jun 2015 16:36:47 +0800 Message-Id: <1434443826-4929-153-git-send-email-lizf@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434443587-4599-1-git-send-email-lizf@kernel.org> References: <1434443587-4599-1-git-send-email-lizf@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1345 Lines: 40 From: Eli Cohen 3.4.108-rc1 review patch. If anyone has any objections, please let me know. ------------------ 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: Zefan Li --- drivers/infiniband/core/uverbs_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 604556d..5b51e4e 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -451,6 +451,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file, 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); -- 1.9.1 -- 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/