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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920698 13f79535-47bb-0310-9956-ffa450edef68
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the temp dir. Thanks to Palle Girgensohn. This closes #691
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920610 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920601 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920600 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920520 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920515 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920512 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920477 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920302 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920301 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920233 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920232 13f79535-47bb-0310-9956-ffa450edef68
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Danila Avdeyenko. This closes #682
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920230 13f79535-47bb-0310-9956-ffa450edef68
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column widths
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920107 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920075 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920074 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920072 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1920071 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919930 13f79535-47bb-0310-9956-ffa450edef68
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closes #673
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919929 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919918 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919896 13f79535-47bb-0310-9956-ffa450edef68
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Thanks to fangd1997. This closes #670
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919895 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919805 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919786 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919785 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919749 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919716 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919622 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919596 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919595 13f79535-47bb-0310-9956-ffa450edef68
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Prevent a possible NullPointerException
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=70467
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919562 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919373 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919372 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919343 13f79535-47bb-0310-9956-ffa450edef68
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Processing formats uses regular expressions. Very complex formats
can recurse very deeply and thus can cause StackOVerflows depending
on the used stack-size.
In order to handle this a bit more gracefully, we now catch this
and report a better exception with details about the parsed
format and potential mitigation.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66137
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919342 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919288 13f79535-47bb-0310-9956-ffa450edef68
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Avoid a possible OutOfMemoryException with incorrect uniqueCount
The ReadOnlySharedStringsTable pre-allocates whatever is stated in uniqueCount.
As the uniqueCount may be an incorrect large number, we should cap it at some point
to avoid OOMs if corrupt files are processed.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66137
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919284 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919276 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919274 13f79535-47bb-0310-9956-ffa450edef68
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Avoid a possible OutOfMemoryException with many child-records
This avoids having too many children in EscherRecords, the limit of
100_000 is arbitrarily chosen and can be adjusted if needed
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62924 and maybe others
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919272 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919268 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919266 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919258 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919257 13f79535-47bb-0310-9956-ffa450edef68
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Avoid a possible StackOverflowException
This adds support of counting of the "nesting level" into the base
EscherRecord and thus makes this existing limitation much more effective
as it kicks in for more types of nested records.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66374
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919256 13f79535-47bb-0310-9956-ffa450edef68
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Using char[] instead of String improves performance of this
operation considerably, especially in JDK 11+ where StringBuilder
was switched to work on bytes instead of chars.
This is likely only relevant for very large documents, it was visible
in a synthetic test-file from fuzzing.
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919239 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919238 13f79535-47bb-0310-9956-ffa450edef68
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Prevent too much memory usage
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=67413
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919237 13f79535-47bb-0310-9956-ffa450edef68
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This allows to create reproducible binary files without creation/modification-timestamp
being set when environment variable SOURCE_DATE_EPOCH is set.
See https://reproducible-builds.org/docs/source-date-epoch/ for the related specification.
For now, we ensure that Zip-file entries set the modification time to 1970-01-01,
which seems to be enough to make simple OOXML files reproducible.
There are likely some other places where resulting files are not reproducible, some
more testing will be necessary to identify other areas that should take this into
account as well.
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919236 13f79535-47bb-0310-9956-ffa450edef68
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