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authorSteve Magnani <steve.magnani@digidescorp.com>2019-02-11 08:24:38 -0600
committerJan Kara <jack@suse.cz>2019-02-11 18:31:35 +0100
commit4f5edd82eb375f0e949192ac5a0b42858356e05d (patch)
tree3ea5e479fe38b1688f574a4db8fd002ee8801713 /fs/xfs
parente8b4274735e416621cfb28c2802b4ad52da35d0f (diff)
udf: disallow RW mount without valid integrity descriptor
Refuse to mount a volume read-write without a coherent Logical Volume Integrity Descriptor, because we can't generate truly unique IDs without one. This fixes a bug where all inodes created on a UDF filesystem following mount without a coherent LVID are assigned unique ID 0 which can then confuse other UDF implementations. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Jan Kara <jack@suse.cz>
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