From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33895) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YZuFt-0006ve-7G for qemu-devel@nongnu.org; Mon, 23 Mar 2015 00:46:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YZuFs-00027D-F0 for qemu-devel@nongnu.org; Mon, 23 Mar 2015 00:46:25 -0400 From: Fam Zheng Date: Mon, 23 Mar 2015 12:46:08 +0800 Message-Id: <1427085970-23823-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH 0/2] block: Fix unaligned zero write List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , qemu-block@nongnu.org, qemu-stable@nongnu.org, Stefan Hajnoczi This fixes a segfault when doing unaligned zero write to a image that is 4k aligned. Reproducer: $ (echo "open -o file.align=4k blkdebug::img"; echo "write -z 512 1024") | qemu-io Fam Zheng (2): block: Fix unaligned zero write qemu-iotests: Test unaligned 4k zero write block.c | 51 ++++++++++++++++++++++++++++++++++++++-------- tests/qemu-iotests/033 | 47 ++++++++++++++++++++++++++---------------- tests/qemu-iotests/033.out | 26 +++++++++++++++++++++++ 3 files changed, 98 insertions(+), 26 deletions(-) -- 2.1.0