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  • Committer: Package Import Robot
  • Author(s): Julien Cristau
  • Date: 2013-12-16 18:44:45 UTC
  • Revision ID: package-import@ubuntu.com-20131216184445-le400zcelgitlxm5
Tags: 0.16.4-1+deb6u1
pixman_trapezoid_valid(): Fix underflow when bottom is close to MIN_INT
Addresses CVE-2013-6425

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pixman/pixman.h
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#define pixman_trapezoid_valid(t)                                  \
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    ((t)->left.p1.y != (t)->left.p2.y &&                           \
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     (t)->right.p1.y != (t)->right.p2.y &&                         \
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     (int) ((t)->bottom - (t)->top) > 0)
 
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     ((t)->bottom > (t)->top))
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struct pixman_span_fix
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{