==14596== Invalid read of size 4
==14596==    at 0x1989B70A: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x19892026: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x1989428A: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198948CF: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198B31DD: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198B38B9: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x1988CEE1: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x19816251: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x19652339: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0xA1F8A8: Gfx::CGLDevice::DrawPrimitive(Gfx::PrimitiveType, Gfx::Vertex const*, int, Gfx::Color) (gldevice.cpp:1219)
==14596==    by 0x975EBE: Ui::CControl::DrawIcon(Math::Point, Math::Point, Math::Point, Math::Point, Math::Point, float) (control.cpp:726)
==14596==    by 0x9A9F27: Ui::CWindow::DrawVertex(Math::Point, Math::Point, int) (window.cpp:1225)
==14596==  Address 0x16871208 is 0 bytes after a block of size 296 alloc'd
==14596==    at 0x4C2DB95: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==14596==    by 0x1976E8E1: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x1989B36A: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x1989598D: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198941AA: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198948CF: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198B31DD: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x198B38B9: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x1988CEE1: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x19816251: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0x19652339: ??? (in /usr/lib/x86_64-linux-gnu/dri/i965_dri.so)
==14596==    by 0xA1F8A8: Gfx::CGLDevice::DrawPrimitive(Gfx::PrimitiveType, Gfx::Vertex const*, int, Gfx::Color) (gldevice.cpp:1219)
==14596==