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qcow2: Fix broken snapshot table entries
authorMax Reitz <[email protected]>
Fri, 11 Oct 2019 15:28:08 +0000 (17:28 +0200)
committerMax Reitz <[email protected]>
Mon, 28 Oct 2019 10:54:02 +0000 (11:54 +0100)
commitf91f1f159bcaa81a70e860079a73ae7d1220dc0c
tree6d4cd144994cfeb5a174259e922f93ca879bf29ftree | snapshot
parentfe446b5da225b551fc6493890d437fe4a8ba7552commit | diff
qcow2: Fix broken snapshot table entries

The only case where we currently reject snapshot table entries is when
they have too much extra data.  Fix them with qemu-img check -r all by
counting it as a corruption, reducing their extra_data_size, and then
letting qcow2_check_fix_snapshot_table() do the rest.

Signed-off-by: Max Reitz <[email protected]>
Reviewed-by: Eric Blake <[email protected]>
Message-id: 20191011152814[email protected]
Signed-off-by: Max Reitz <[email protected]>
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