...as started to happen when reading (invalid)
filter/qa/cppunit/data/tiff/fail/RC4-crash-7.tiff in
CppunitTest_filter_tiff_test after c81765629b
"coverity#1266496 Untrusted loop bound":
> /filter/source/graphicfilter/itiff/itiff.cxx:270:47: runtime error: value -nan is outside the range of representable values of type 'int'
> #0 0x2b5bae7ad928 in TIFFReader::ReadIntData() /filter/source/graphicfilter/itiff/itiff.cxx:270:47
> #1 0x2b5bae7b0017 in TIFFReader::ReadTagData(unsigned short, unsigned int) /filter/source/graphicfilter/itiff/itiff.cxx:320:27
> #2 0x2b5bae7e80f3 in TIFFReader::ReadTIFF(SvStream&, Graphic&) /filter/source/graphicfilter/itiff/itiff.cxx:1377:21
[...]
With an error-reporting concept apparently missing here, just convert such out-
of-bounds values to zero. (And make ReadDoubleData not go though the value-
limiting ReadIntData for floating types.)
Change-Id: I6e53e468e6b98fb7a7d5fd7f3336ee2168f76e30
Reviewed-on: https://gerrit.libreoffice.org/51700
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Stephan Bergmann
45ea6ebdf1