15 lines
703 B
Diff
15 lines
703 B
Diff
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diff --git a/coders/tiff.c b/coders/tiff.c
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index 9e0d0b1201..df4274cacd 100644
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--- a/coders/tiff.c
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+++ b/coders/tiff.c
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@@ -2010,7 +2010,7 @@ static Image *ReadTIFFImage(const ImageInfo *image_info,
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number_pixels=(MagickSizeType) columns*rows;
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if (HeapOverflowSanityCheck(rows,sizeof(*tile_pixels)) != MagickFalse)
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ThrowTIFFException(ResourceLimitError,"MemoryAllocationFailed");
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- extent=4*(samples_per_pixel+1)*MagickMax(rows*TIFFTileRowSize(tiff),
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+ extent=4*(samples_per_pixel+1)*MagickMax((rows+1)*TIFFTileRowSize(tiff),
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TIFFTileSize(tiff));
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tile_pixels=(unsigned char *) AcquireQuantumMemory(extent,
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sizeof(*tile_pixels));
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