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qcow2: Check snapshot L1 tables in qcow2_check_metadata_overlap()

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The inactive-l2 overlap check iterates uses the L1 tables from all
snapshots, but it does not validate them first.

We now have a function to take care of this, so let's use it.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2018-03-06 18:14:09 +02:00 • committed by Kevin Wolf
parent c9a442e450
commit c7a9d81d70
3 changed files with 17 additions and 1 deletions
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4
tests/qemu-iotests/080.out
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@ -66,6 +66,8 @@ wrote 512/512 bytes at offset 0
qemu-img: Failed to load snapshot: Snapshot L1 table offset invalid
qemu-img: Snapshot L1 table offset invalid
qemu-img: Error while amending options: Invalid argument
Failed to flush the refcount block cache: Invalid argument
write failed: Invalid argument
== Invalid snapshot L1 table size ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
@ -74,4 +76,6 @@ wrote 512/512 bytes at offset 0
qemu-img: Failed to load snapshot: Snapshot L1 table too large
qemu-img: Snapshot L1 table too large
qemu-img: Error while amending options: File too large
Failed to flush the refcount block cache: File too large
write failed: File too large
*** done