From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45461) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YKty6-0005Yb-OV for qemu-devel@nongnu.org; Mon, 09 Feb 2015 14:26:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YKty1-0003SV-RT for qemu-devel@nongnu.org; Mon, 09 Feb 2015 14:26:02 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42405) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YKty1-0003SG-Kt for qemu-devel@nongnu.org; Mon, 09 Feb 2015 14:25:57 -0500 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t19JPuNC010162 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Mon, 9 Feb 2015 14:25:57 -0500 From: Max Reitz Date: Mon, 9 Feb 2015 14:25:42 -0500 Message-Id: <1423509950-7468-5-git-send-email-mreitz@redhat.com> In-Reply-To: <1423509950-7468-1-git-send-email-mreitz@redhat.com> References: <1423509950-7468-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v3 04/12] qcow2/overlaps: Protect image header List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Stefan Hajnoczi , Max Reitz Enter the image header into the metadata list to protect it against accidental modifications. Signed-off-by: Max Reitz Reviewed-by: Eric Blake --- block/qcow2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/qcow2.c b/block/qcow2.c index 81016d8..b61dab5 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -752,6 +752,8 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags, } } + qcow2_metadata_list_enter(bs, 0, 1, QCOW2_OL_MAIN_HEADER); + s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */ s->l2_size = 1 << s->l2_bits; /* 2^(s->refcount_order - 3) is the refcount width in bytes */ -- 2.1.0