From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: [PATCH v5] Block backend checks for insane ring entries. Date: Mon, 10 Jun 2013 12:01:44 -0400 Message-ID: <1370880106-7606-1-git-send-email-konrad.wilk@oracle.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org These patches were posted in the past (v2?) and at which point Jan Beulich suggested to use a different macro. Unfortunatly after a more exhaustive testing it was found that said macro is not appropiate and would needlessly hang up the connection. Hence re-introducing the new macro which will allow to detect the producer and consumer indexes being greater than the ring size: [v5 1/2] xen/ring: Add a new macro to detect whether there is an And the patch which will now use it: [v5 2/2] xen/blkback: Check for insane amounts of request on the ring drivers/block/xen-blkback/blkback.c | 12 +++++++++++- drivers/block/xen-blkback/common.h | 2 ++ drivers/block/xen-blkback/xenbus.c | 2 ++ include/xen/interface/io/ring.h | 6 ++++++ 4 files changed, 21 insertions(+), 1 deletion(-) Konrad Rzeszutek Wilk (2): xen/ring: Add a new macro to detect whether there is an overflow in requests and response. xen/blkback: Check for insane amounts of request on the ring (v5).