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qcow2: Make qemu-img check detect corrupted L1 tables in snapshots
authorAlberto Garcia <[email protected]>
Tue, 6 Mar 2018 16:14:12 +0000 (18:14 +0200)
committerKevin Wolf <[email protected]>
Fri, 9 Mar 2018 14:17:47 +0000 (15:17 +0100)
commit0c2ada8136a993b1fae9cee2c26b357e9c56c016
tree73a42021cb247729f0b834a31d114927ed381814tree | snapshot
parentdb5794f1f17d1f8247c0ea8e6f0376a47b112466commit | diff
qcow2: Make qemu-img check detect corrupted L1 tables in snapshots

'qemu-img check' cannot detect if a snapshot's L1 table is corrupted.
This patch checks the table's offset and size and reports corruption
if the values are not valid.

This patch doesn't add code to fix that corruption yet, only to detect
and report it.

Signed-off-by: Alberto Garcia <[email protected]>
Reviewed-by: Eric Blake <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
block/qcow2-refcount.c diff | blob | blame | history
tests/qemu-iotests/080 diff | blob | blame | history
tests/qemu-iotests/080.out diff | blob | blame | history
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