1e4b6553e3
This patch backports bugfix patch series from qemu upstream v4.1.1 Signed-off-by: Ying Fang <fangying1@huawei.com>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 405deba14f6b61b9c557484b46e863308c8cf373 Mon Sep 17 00:00:00 2001
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From: Max Reitz <mreitz@redhat.com>
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Date: Mon, 28 Oct 2019 17:18:40 +0100
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Subject: [PATCH] qcow2: Fix QCOW2_COMPRESSED_SECTOR_MASK
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Masks for L2 table entries should have 64 bit.
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Fixes: b6c246942b14d3e0dec46a6c5868ed84e7dbea19
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Buglink: https://bugs.launchpad.net/qemu/+bug/1850000
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Message-id: 20191028161841.1198-2-mreitz@redhat.com
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Reviewed-by: Alberto Garcia <berto@igalia.com>
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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(cherry picked from commit 24552feb6ae2f615b76c2b95394af43901f75046)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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block/qcow2.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/block/qcow2.h b/block/qcow2.h
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index fc1b0d3c1e..359197f89f 100644
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--- a/block/qcow2.h
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+++ b/block/qcow2.h
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@@ -77,7 +77,7 @@
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/* Defined in the qcow2 spec (compressed cluster descriptor) */
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#define QCOW2_COMPRESSED_SECTOR_SIZE 512U
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-#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1))
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+#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1ULL))
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/* Must be at least 2 to cover COW */
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#define MIN_L2_CACHE_SIZE 2 /* cache entries */
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--
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2.23.0
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