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@@ -1,180 +0,0 @@
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- From dd1bcc7abb26094e93636e85520f0d8f81ab0fab Mon Sep 17 00:00:00 2001
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- From: 4ugustus <wangdw.augustus@qq.com>
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- Date: Sat, 11 Jun 2022 09:31:43 +0000
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- Subject: [PATCH] fix the FPE in tiffcrop (#415, #427, and #428)
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-
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- ---
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- libtiff/tif_aux.c | 9 +++++++
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- libtiff/tiffiop.h | 1 +
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- tools/tiffcrop.c | 62 ++++++++++++++++++++++++++---------------------
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- 3 files changed, 44 insertions(+), 28 deletions(-)
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-
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- diff --git a/libtiff/tif_aux.c b/libtiff/tif_aux.c
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- index 140f26c7..5b88c8d0 100644
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- --- a/libtiff/tif_aux.c
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- +++ b/libtiff/tif_aux.c
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- @@ -402,6 +402,15 @@ float _TIFFClampDoubleToFloat( double val )
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- return (float)val;
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- }
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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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- diff --git a/libtiff/tiffiop.h b/libtiff/tiffiop.h
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- index e3af461d..4e8bdac2 100644
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- --- a/libtiff/tiffiop.h
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- +++ b/libtiff/tiffiop.h
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- @@ -365,6 +365,7 @@ extern double _TIFFUInt64ToDouble(uint64_t);
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- extern float _TIFFUInt64ToFloat(uint64_t);
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-
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- extern float _TIFFClampDoubleToFloat(double);
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- +extern uint32_t _TIFFClampDoubleToUInt32(double);
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-
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- extern tmsize_t
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- _TIFFReadEncodedStripAndAllocBuffer(TIFF* tif, uint32_t strip,
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- diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
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- index 1f827b2b..90286a5e 100644
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- --- a/tools/tiffcrop.c
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- +++ b/tools/tiffcrop.c
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- @@ -5268,17 +5268,17 @@ computeInputPixelOffsets(struct crop_mask *crop, struct image_data *image,
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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_mask *crop, struct image_data *image,
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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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-
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- if ((lmargin + rmargin) > image->width)
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- @@ -5397,24 +5397,24 @@ computeInputPixelOffsets(struct crop_mask *crop, struct image_data *image,
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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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-
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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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-
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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_mask *crop, struct image_data *image,
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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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-
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- if ((hmargin * 2.0) > (pwidth * page->hres))
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- @@ -5912,13 +5912,13 @@ computeOutputPixelOffsets (struct crop_mask *crop, struct image_data *image,
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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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-
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- @@ -5927,6 +5927,12 @@ computeOutputPixelOffsets (struct crop_mask *crop, struct image_data *image,
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- if (olength > ilength)
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- olength = ilength;
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-
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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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- --
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- GitLab
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-
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Fix CVE-2022-3570, CVE-2022-2867, CVE-2022-2868, CVE-2022-2869, CVE-2022-2519,
CVE-2022-2953, CVE-2022-3597, CVE-2022-3598, CVE-2022-3599, CVE-2022-3626,
CVE-2022-3627, CVE-2022-3970 (#2142735, #2118854, #2118867, #2118875,
#2122795, #2134437, #2142737, #2148881, #2148888, #2148894, #2148897,
#2148919)