* CVE-2022-2056 [bsc#1201176] * CVE-2022-2057 [bsc#1201175] * CVE-2022-2058 [bsc#1201174] + tiff-CVE-2022-2056,CVE-2022-2057,CVE-2022-2058.patch OBS-URL: https://build.opensuse.org/package/show/graphics/tiff?expand=0&rev=155
179 lines
7.2 KiB
Diff
179 lines
7.2 KiB
Diff
Index: tiff-4.4.0/libtiff/tif_aux.c
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===================================================================
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--- tiff-4.4.0.orig/libtiff/tif_aux.c
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+++ tiff-4.4.0/libtiff/tif_aux.c
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@@ -402,6 +402,15 @@ float _TIFFClampDoubleToFloat( double va
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return (float)val;
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}
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+uint32_t _TIFFClampDoubleToUInt32(double val)
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+{
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+ if( val < 0 )
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+ return 0;
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+ if( val > 0xFFFFFFFFU || val != val )
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+ return 0xFFFFFFFFU;
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+ return (uint32_t)val;
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+}
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+
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int _TIFFSeekOK(TIFF* tif, toff_t off)
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{
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/* Huge offsets, especially -1 / UINT64_MAX, can cause issues */
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Index: tiff-4.4.0/libtiff/tiffiop.h
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===================================================================
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--- tiff-4.4.0.orig/libtiff/tiffiop.h
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+++ tiff-4.4.0/libtiff/tiffiop.h
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@@ -365,6 +365,7 @@ extern double _TIFFUInt64ToDouble(uint64
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extern float _TIFFUInt64ToFloat(uint64_t);
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extern float _TIFFClampDoubleToFloat(double);
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+extern uint32_t _TIFFClampDoubleToUInt32(double);
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extern tmsize_t
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_TIFFReadEncodedStripAndAllocBuffer(TIFF* tif, uint32_t strip,
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Index: tiff-4.4.0/tools/tiffcrop.c
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===================================================================
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--- tiff-4.4.0.orig/tools/tiffcrop.c
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+++ tiff-4.4.0/tools/tiffcrop.c
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@@ -5268,17 +5268,17 @@ computeInputPixelOffsets(struct crop_mas
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{
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if ((crop->res_unit == RESUNIT_INCH) || (crop->res_unit == RESUNIT_CENTIMETER))
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{
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- x1 = (uint32_t) (crop->corners[i].X1 * scale * xres);
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- x2 = (uint32_t) (crop->corners[i].X2 * scale * xres);
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- y1 = (uint32_t) (crop->corners[i].Y1 * scale * yres);
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- y2 = (uint32_t) (crop->corners[i].Y2 * scale * yres);
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+ x1 = _TIFFClampDoubleToUInt32(crop->corners[i].X1 * scale * xres);
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+ x2 = _TIFFClampDoubleToUInt32(crop->corners[i].X2 * scale * xres);
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+ y1 = _TIFFClampDoubleToUInt32(crop->corners[i].Y1 * scale * yres);
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+ y2 = _TIFFClampDoubleToUInt32(crop->corners[i].Y2 * scale * yres);
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}
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else
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{
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- x1 = (uint32_t) (crop->corners[i].X1);
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- x2 = (uint32_t) (crop->corners[i].X2);
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- y1 = (uint32_t) (crop->corners[i].Y1);
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- y2 = (uint32_t) (crop->corners[i].Y2);
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+ x1 = _TIFFClampDoubleToUInt32(crop->corners[i].X1);
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+ x2 = _TIFFClampDoubleToUInt32(crop->corners[i].X2);
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+ y1 = _TIFFClampDoubleToUInt32(crop->corners[i].Y1);
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+ y2 = _TIFFClampDoubleToUInt32(crop->corners[i].Y2);
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}
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/* a) Region needs to be within image sizes 0.. width-1; 0..length-1
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* b) Corners are expected to be submitted as top-left to bottom-right.
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@@ -5357,17 +5357,17 @@ computeInputPixelOffsets(struct crop_mas
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{
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if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER)
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{ /* User has specified pixels as reference unit */
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- tmargin = (uint32_t)(crop->margins[0]);
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- lmargin = (uint32_t)(crop->margins[1]);
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- bmargin = (uint32_t)(crop->margins[2]);
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- rmargin = (uint32_t)(crop->margins[3]);
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+ tmargin = _TIFFClampDoubleToUInt32(crop->margins[0]);
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+ lmargin = _TIFFClampDoubleToUInt32(crop->margins[1]);
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+ bmargin = _TIFFClampDoubleToUInt32(crop->margins[2]);
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+ rmargin = _TIFFClampDoubleToUInt32(crop->margins[3]);
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}
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else
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{ /* inches or centimeters specified */
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- tmargin = (uint32_t)(crop->margins[0] * scale * yres);
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- lmargin = (uint32_t)(crop->margins[1] * scale * xres);
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- bmargin = (uint32_t)(crop->margins[2] * scale * yres);
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- rmargin = (uint32_t)(crop->margins[3] * scale * xres);
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+ tmargin = _TIFFClampDoubleToUInt32(crop->margins[0] * scale * yres);
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+ lmargin = _TIFFClampDoubleToUInt32(crop->margins[1] * scale * xres);
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+ bmargin = _TIFFClampDoubleToUInt32(crop->margins[2] * scale * yres);
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+ rmargin = _TIFFClampDoubleToUInt32(crop->margins[3] * scale * xres);
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}
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if ((lmargin + rmargin) > image->width)
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@@ -5397,24 +5397,24 @@ computeInputPixelOffsets(struct crop_mas
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if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER)
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{
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if (crop->crop_mode & CROP_WIDTH)
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- width = (uint32_t)crop->width;
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+ width = _TIFFClampDoubleToUInt32(crop->width);
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else
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width = image->width - lmargin - rmargin;
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if (crop->crop_mode & CROP_LENGTH)
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- length = (uint32_t)crop->length;
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+ length = _TIFFClampDoubleToUInt32(crop->length);
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else
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length = image->length - tmargin - bmargin;
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}
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else
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{
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if (crop->crop_mode & CROP_WIDTH)
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- width = (uint32_t)(crop->width * scale * image->xres);
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+ width = _TIFFClampDoubleToUInt32(crop->width * scale * image->xres);
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else
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width = image->width - lmargin - rmargin;
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if (crop->crop_mode & CROP_LENGTH)
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- length = (uint32_t)(crop->length * scale * image->yres);
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+ length = _TIFFClampDoubleToUInt32(crop->length * scale * image->yres);
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else
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length = image->length - tmargin - bmargin;
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}
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@@ -5868,13 +5868,13 @@ computeOutputPixelOffsets (struct crop_m
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{
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if (page->res_unit == RESUNIT_INCH || page->res_unit == RESUNIT_CENTIMETER)
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{ /* inches or centimeters specified */
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- hmargin = (uint32_t)(page->hmargin * scale * page->hres * ((image->bps + 7) / 8));
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- vmargin = (uint32_t)(page->vmargin * scale * page->vres * ((image->bps + 7) / 8));
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+ hmargin = _TIFFClampDoubleToUInt32(page->hmargin * scale * page->hres * ((image->bps + 7) / 8));
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+ vmargin = _TIFFClampDoubleToUInt32(page->vmargin * scale * page->vres * ((image->bps + 7) / 8));
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}
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else
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{ /* Otherwise user has specified pixels as reference unit */
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- hmargin = (uint32_t)(page->hmargin * scale * ((image->bps + 7) / 8));
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- vmargin = (uint32_t)(page->vmargin * scale * ((image->bps + 7) / 8));
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+ hmargin = _TIFFClampDoubleToUInt32(page->hmargin * scale * ((image->bps + 7) / 8));
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+ vmargin = _TIFFClampDoubleToUInt32(page->vmargin * scale * ((image->bps + 7) / 8));
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}
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if ((hmargin * 2.0) > (pwidth * page->hres))
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@@ -5912,13 +5912,13 @@ computeOutputPixelOffsets (struct crop_m
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{
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if (page->mode & PAGE_MODE_PAPERSIZE )
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{
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- owidth = (uint32_t)((pwidth * page->hres) - (hmargin * 2));
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- olength = (uint32_t)((plength * page->vres) - (vmargin * 2));
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+ owidth = _TIFFClampDoubleToUInt32((pwidth * page->hres) - (hmargin * 2));
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+ olength = _TIFFClampDoubleToUInt32((plength * page->vres) - (vmargin * 2));
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}
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else
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{
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- owidth = (uint32_t)(iwidth - (hmargin * 2 * page->hres));
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- olength = (uint32_t)(ilength - (vmargin * 2 * page->vres));
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+ owidth = _TIFFClampDoubleToUInt32(iwidth - (hmargin * 2 * page->hres));
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+ olength = _TIFFClampDoubleToUInt32(ilength - (vmargin * 2 * page->vres));
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}
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}
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@@ -5927,6 +5927,12 @@ computeOutputPixelOffsets (struct crop_m
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if (olength > ilength)
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olength = ilength;
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+ if (owidth == 0 || olength == 0)
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+ {
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+ TIFFError("computeOutputPixelOffsets", "Integer overflow when calculating the number of pages");
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+ exit(EXIT_FAILURE);
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+ }
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+
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/* Compute the number of pages required for Portrait or Landscape */
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switch (page->orient)
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{
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Index: tiff-4.4.0/libtiff/libtiff.def
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===================================================================
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--- tiff-4.4.0.orig/libtiff/libtiff.def
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+++ tiff-4.4.0/libtiff/libtiff.def
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@@ -170,6 +170,7 @@ EXPORTS TIFFAccessTagMethods
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TIFFYCbCrtoRGB
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_TIFFCheckMalloc
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_TIFFCheckRealloc
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+ _TIFFClampDoubleToUInt32
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_TIFFRewriteField
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_TIFFfree
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_TIFFmalloc
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