https://bugs.documentfoundation.org/show_bug.cgi?id=165762
Bug ID: 165762
Summary: Error saving a huge file (content.xml unpacked size >
4 GB)
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: LibreOffice
Assignee: [email protected]
Reporter: [email protected]
Created attachment 199831
--> https://bugs.documentfoundation.org/attachment.cgi?id=199831&action=edit
A huge (but simple) data
The attached file has first 36 columns completely filled simply with the column
names. Inspecting ZIP shows, that content.xml is just below 4 GB.
Open the attachment; in cell AK1 put "ak"; copy the cell down (e.g.,
double-clicking the rectangle in the right down corner of the cell).
Now try to save it.
=> General input/output error.
The file gets saved, though; opening in 7-Zip shows, that column
"Characteristics" for content.xml has "Extra_ERROR Zip64_ERROR : Descriptor
UTF8".
Trying to open it in Calc shows a warning: "The file 'huge.ods' is corrupt
...". Restoring the file works, having all the data.
I suspect that the error is shown because of the ZIP hardening work by Michael
Stahl (e.g., commit efae4fc42d5fe3c0a69757226f38efc10d101194, or some similar),
and just discovered the implementation error - likely from commit
abda72eeac19b18c22f57d5443c3955a463605d7, that introduced write support for
Zip64.
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