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[Qemu-devel] [PATCH 04/12] qcow2/overlaps: Protect image header
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH 04/12] qcow2/overlaps: Protect image header |
Date: |
Mon, 3 Nov 2014 18:04:23 +0100 |
Enter the image header into the metadata list to protect it against
accidental modifications.
Signed-off-by: Max Reitz <address@hidden>
---
block/qcow2.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block/qcow2.c b/block/qcow2.c
index f80f9ed..19ac2df 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -751,6 +751,8 @@ 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 */
--
1.9.3
- [Qemu-devel] [PATCH 00/12] qcow2: Add new overlap check functions, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 03/12] qcow2: Create metadata list, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 01/12] qcow2: Add new overlap check functions, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 04/12] qcow2/overlaps: Protect image header,
Max Reitz <=
- [Qemu-devel] [PATCH 05/12] qcow2/overlaps: Protect refcount table, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 08/12] qcow2/overlaps: Protect active L2 tables, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 07/12] qcow2/overlaps: Protect active L1 table, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 06/12] qcow2/overlaps: Protect refcount blocks, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 09/12] qcow2/overlaps: Protect snapshot table, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 10/12] qcow2/overlaps: Protect inactive L1 tables, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 12/12] qcow2: Use new metadata overlap check function, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 11/12] qcow2/overlaps: Protect inactive L2 tables, Max Reitz, 2014/11/03
- Re: [Qemu-devel] [PATCH 00/12] qcow2: Add new overlap check functions, Max Reitz, 2014/11/03
- [Qemu-devel] [PATCH 02/12] qcow2: Pull up overlap check option evaluation, Max Reitz, 2014/11/03