Log Message: |
Bug 66425: Avoid exceptions found via poi-fuzz
We try to avoid throwing NullPointerException, ClassCastExceptions
and StackOverflowException, but it was possible to trigger them
Also improve some exception messages
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62698
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62606
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62685
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