exrcheck: reduceMemory now checks pixel size and scanline compression mode #987
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Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>
Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>
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Mar 28, 2021
… mode (#987) * exrcheck: reduceMemory checks pixel size and scanline compression mode Signed-off-by: Peter Hillman <peterh@wetafx.co.nz> * exrcheck: increase limit for scanlines in reduceMemory mode Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>
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Also addressed https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31172 |
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Address https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32370
Apply same logic as #966 to scanlines: when 'reduceMemory' is passed to Imf::CheckOpenEXRFile, computes the amount of memory to read scanline files. Previously only the scanline width was used. This change also accounts the number of scanlines stored in one chunk, which is compression-scheme dependent, and the number of bytes per pixel.
Signed-off-by: Peter Hillman peterh@wetafx.co.nz