pixman-0.32.8

[Fernando de Oliveira]

​http://cairographics.org/releases/pixman-0.32.8.tar.gz

​http://cairographics.org/releases/pixman-0.32.8.tar.gz.sha1

c1119bbdb587c56009b653e6f81c083f98a20135 pixman-0.32.8.tar.gz

​http://cairographics.org/releases/pixman-0.32.8.tar.gz.sha1.asc

Git:

​http://cgit.freedesktop.org/pixman/

Only find empty changelog and news. perhaps the following is relevans:

​http://cgit.freedesktop.org/pixman/log/?h=0.32&showmsg=1

19 hours    Post-release version bump to 0.32.90.32 Oded Gabbay 1
-1/+1
    
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>


25 hours    Pre-release version bump to 0.32.8pixman-0.32.8 Oded Gabbay
1   -1/+1
    
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>


29 hours    pixman-general: Fix stack related pointer arithmetic
overflow   Siarhei Siamashka   1   -9/+7
    
As https://bugs.freedesktop.org/show_bug.cgi?id=92027#c6 explains, the
stack is allocated at the very top of the process address space in some
configurations (32-bit x86 systems with ASLR disabled).  And the
careless computations done with the 'dest_buffer' pointer may overflow,
failing the buffer upper limit check.

The problem can be reproduced using the 'stress-test' program, which
segfaults when executed via setarch:

    export CFLAGS="-O2 -m32" && ./autogen.sh
    ./configure --disable-libpng --disable-gtk && make
    setarch i686 -R test/stress-test

This patch introduces the required corrections. The extra check for
negative 'width' may be redundant (the invalid 'width' value is not
supposed to reach here), but it's better to play safe when dealing with
the buffers allocated on stack.

Reported-by: Ludovic Courtès <ludo@gnu.org>
Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reviewed-by: soren.sandmann@gmail.com
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>


2014-07-05  Post-release version bump to 0.32.7 Søren Sandmann Pedersen
1   -1/+1
    
2014-07-05  Pre-release version bump to 0.32.6pixman-0.32.6