gnu/packages/patches/imagemagick-ReadDCMPixels-fix.patch

   1 From c8f25953ad1dd38a8b2d92738f0f742ad7e0bce7 Mon Sep 17 00:00:00 2001
   2 From: Cristy <mikayla-grace@urban-warrior.org>
   3 Date: Sun, 21 Mar 2021 21:21:15 -0400
   4 Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32322
   5
   6 ---
   7  coders/dcm.c | 12 ++++++------
   8  1 file changed, 6 insertions(+), 6 deletions(-)
   9
  10 diff --git a/coders/dcm.c b/coders/dcm.c
  11 index 29eed9618..7a68ed6e8 100644
  12 --- a/coders/dcm.c
  13 +++ b/coders/dcm.c
  14 @@ -2984,12 +2984,12 @@ static MagickBooleanType ReadDCMPixels(Image *image,DCMInfo *info,
  15          }
  16        else
  17          {
  18 -          SetPixelRed(q,(Quantum) (((ssize_t) pixel.red) |
  19 -            (((ssize_t) GetPixelRed(q)) << 8)));
  20 -          SetPixelGreen(q,(Quantum) (((ssize_t) pixel.green) |
  21 -            (((ssize_t) GetPixelGreen(q)) << 8)));
  22 -          SetPixelBlue(q,(Quantum) (((ssize_t) pixel.blue) |
  23 -            (((ssize_t) GetPixelBlue(q)) << 8)));
  24 +          SetPixelRed(q,(Quantum) (((size_t) pixel.red) |
  25 +            (((size_t) GetPixelRed(q)) << 8)));
  26 +          SetPixelGreen(q,(Quantum) (((size_t) pixel.green) |
  27 +            (((size_t) GetPixelGreen(q)) << 8)));
  28 +          SetPixelBlue(q,(Quantum) (((size_t) pixel.blue) |
  29 +            (((size_t) GetPixelBlue(q)) << 8)));
  30          }
  31        q++;
  32      }
  33 --
  34 2.31.0
  35