kumquat-buildroot/package/imagemagick/0001-CVE-2019-13454.patch
Bernd Kuhls 0287136ff7 package/imagemagick: add upstream security fix for CVE-2019-13454
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2019-07-14 12:19:24 +02:00

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From 1ddcf2e4f28029a888cadef2e757509ef5047ad8 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 8 Jul 2019 06:14:34 -0400
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/1629
Downloaded from upstream commit
https://github.com/ImageMagick/ImageMagick/commit/1ddcf2e4f28029a888cadef2e757509ef5047ad8
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
MagickCore/layer.c | 56 ++++++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 27 deletions(-)
diff --git a/MagickCore/layer.c b/MagickCore/layer.c
index b520e9247d..48632885ae 100644
--- a/MagickCore/layer.c
+++ b/MagickCore/layer.c
@@ -1584,45 +1584,47 @@ MagickExport void OptimizeImageTransparency(const Image *image,
% o exception: return any errors or warnings in this structure.
%
*/
-MagickExport void RemoveDuplicateLayers(Image **images,
- ExceptionInfo *exception)
+MagickExport void RemoveDuplicateLayers(Image **images,ExceptionInfo *exception)
{
- register Image
- *curr,
- *next;
-
RectangleInfo
bounds;
+ register Image
+ *image,
+ *next;
+
assert((*images) != (const Image *) NULL);
assert((*images)->signature == MagickCoreSignature);
if ((*images)->debug != MagickFalse)
- (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*images)->filename);
+ (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
+ (*images)->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
-
- curr=GetFirstImageInList(*images);
- for (; (next=GetNextImageInList(curr)) != (Image *) NULL; curr=next)
+ image=GetFirstImageInList(*images);
+ for ( ; (next=GetNextImageInList(image)) != (Image *) NULL; image=next)
{
- if ( curr->columns != next->columns || curr->rows != next->rows
- || curr->page.x != next->page.x || curr->page.y != next->page.y )
+ if ((image->columns != next->columns) || (image->rows != next->rows) ||
+ (image->page.x != next->page.x) || (image->page.y != next->page.y))
continue;
- bounds=CompareImagesBounds(curr,next,CompareAnyLayer,exception);
- if ( bounds.x < 0 ) {
- /*
- the two images are the same, merge time delays and delete one.
- */
- size_t time;
- time = curr->delay*1000/curr->ticks_per_second;
- time += next->delay*1000/next->ticks_per_second;
- next->ticks_per_second = 100L;
- next->delay = time*curr->ticks_per_second/1000;
- next->iterations = curr->iterations;
- *images = curr;
- (void) DeleteImageFromList(images);
- }
+ bounds=CompareImagesBounds(image,next,CompareAnyLayer,exception);
+ if (bounds.x < 0)
+ {
+ /*
+ Two images are the same, merge time delays and delete one.
+ */
+ size_t
+ time;
+
+ time=1000*image->delay*PerceptibleReciprocal(image->ticks_per_second);
+ time+=1000*next->delay*PerceptibleReciprocal(next->ticks_per_second);
+ next->ticks_per_second=100L;
+ next->delay=time*image->ticks_per_second/1000;
+ next->iterations=image->iterations;
+ *images=image;
+ (void) DeleteImageFromList(images);
+ }
}
- *images = GetFirstImageInList(*images);
+ *images=GetFirstImageInList(*images);
}
/*