From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
pl@kamp.de, qemu-block@nongnu.org,
Stefan Hajnoczi <stefanha@redhat.com>,
qemu-stable@nongnu.org
Subject: [Qemu-devel] [PATCH v2 0/2] block: Fix unaligned zero write
Date: Tue, 24 Mar 2015 09:23:48 +0800 [thread overview]
Message-ID: <1427160230-4489-1-git-send-email-famz@redhat.com> (raw)
This fixes a segfault when doing unaligned zero write to an image that is 4k
aligned.
v2: Don't drop the unset of UNMAP flag. [Stefan, Peter]
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 | 45 ++++++++++++++++++++++++++++++++++++++------
tests/qemu-iotests/033 | 47 +++++++++++++++++++++++++++++-----------------
tests/qemu-iotests/033.out | 26 +++++++++++++++++++++++++
3 files changed, 95 insertions(+), 23 deletions(-)
--
1.9.3
next reply other threads:[~2015-03-24 1:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-24 1:23 Fam Zheng [this message]
2015-03-24 1:23 ` [Qemu-devel] [PATCH v2 1/2] block: Fix unaligned zero write Fam Zheng
2015-03-24 1:23 ` [Qemu-devel] [PATCH v2 2/2] qemu-iotests: Test unaligned 4k " Fam Zheng
2015-03-24 13:40 ` [Qemu-devel] [PATCH v2 0/2] block: Fix unaligned " Stefan Hajnoczi
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