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[Qemu-devel] [PATCH v3 04/12] qcow2/overlaps: Protect image header
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH v3 04/12] qcow2/overlaps: Protect image header |
Date: |
Mon, 9 Feb 2015 14:25:42 -0500 |
Enter the image header into the metadata list to protect it against
accidental modifications.
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
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
- [Qemu-devel] [PATCH v3 02/12] qcow2: Pull up overlap check option evaluation, (continued)
- [Qemu-devel] [PATCH v3 02/12] qcow2: Pull up overlap check option evaluation, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 05/12] qcow2/overlaps: Protect refcount table, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 06/12] qcow2/overlaps: Protect refcount blocks, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 07/12] qcow2/overlaps: Protect active L1 table, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 01/12] qcow2: Add new overlap check functions, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 03/12] qcow2: Create metadata list, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 08/12] qcow2/overlaps: Protect active L2 tables, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 04/12] qcow2/overlaps: Protect image header,
Max Reitz <=
- [Qemu-devel] [PATCH v3 12/12] qcow2: Use new metadata overlap check function, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 09/12] qcow2/overlaps: Protect snapshot table, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 10/12] qcow2/overlaps: Protect inactive L1 tables, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v3 11/12] qcow2/overlaps: Protect inactive L2 tables, Max Reitz, 2015/02/09
- Re: [Qemu-devel] [PATCH v3 00/12] qcow2: Add new overlap check functions, Eric Blake, 2015/02/10
- Re: [Qemu-devel] [PATCH v3 00/12] qcow2: Add new overlap check functions, Max Reitz, 2015/02/27