Comments (4)
how about that cluster run is base line of other data variables. and if cluster runs is corrupted (how we know that?), ...
Hmm, I suggest that verify cluster runs at first, if it is verified, then make it base line of other metadata.
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I tried to do that too at first. But I was shocked after checking that windows handle it. When I force to change data_size of non resident attribute, windows set to zero sizes(data, allocated, init) and remove all cluster runs and changed to resident. I have to experiment a little more, but windows seems to just reset the entry when the data size related metadata is damaged due to security issues. Because if it is recovered, there seems to be a risk of exposing security data...
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@jaysim I am checking this.
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FIXED. But need to check sizes of non-resident of system metadata. especially, If non-resident of root entry is corrupted, we don't re-create(after removing it) $IA attribute. Maybe, we need to just truncate $IA and $IR with zero or newsize.
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Related Issues (20)
- set index end entry or index end flags if vcn of index entry is invalid
- initialize and remove all index root and index allocation if index block or sizes(alloc, init, data) are invalid
- Two mft cluster runs are pointing same lcn cluster number. HOT 2
- github action of linux-ntfs cannot clone ntfsprogs HOT 1
- mapping offset of non-resident of normal directory/file are corrupted HOT 1
- How to fix when attribute order corrupted.
- ntfsck recognizes external mft entry as an orphan HOT 2
- After checking filesystem with ntfsck, some issues are still remained. HOT 2
- memory issue using address sanitizer HOT 5
- link_count and FILENAME_ATTR(hard link?)
- Check Reparse tag validation code again
- LCN bitmap & MFT bitmap buffer size optimization
- don't check anything if volume dirty flags check option is used HOT 1
- fixup array corruption HOT 1
- in case that entries_offset of index root has a large or corrupted value, illegal memory access occurs.
- check fsck and mkfs on 4K Native HDD
- aggressive readahead
- core usage is 100% even after a disk is unplugged HOT 1
- how to handle compression and encryption file in fsck ?
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