when ubuntu runing Virtualbox, Ctal+Alt+F1 Ctal+Alt+F17 switch cause memleak
ubuntu runing Virtualbox version:5.1. then Ctal+Alt+F1 Ctal+Alt+F17 switch, will cause memleak; _dixAllocateObjectWithPrivates memory always increase. but not free.see below: cause memleak memory type is PRIVATE_COLORMAP [05:03:45] Top 10 stacks with outstanding allocations: 4800 bytes in 40 allocations from stack _dixAllocateObjectWithPrivates+0x45 [Xorg] 9480 bytes in 79 allocations from stack AllocGrab+0x18 [Xorg] 12288 bytes in 3 allocations from stack AllocateInputBuffer+0x1d [Xorg] 13008 bytes in 57 allocations from stack _dixAllocateScreenObjectWithPrivates+0x5a [Xorg] 42768 bytes in 81 allocations from stack xi2mask_new_with_size+0x23 [Xorg] 5242880 bytes in 1 allocations from stack drmmode_xf86crtc_resize+0x2b0 [modesetting_drv.so] 27548200 bytes in 1115 allocations from stack AllocatePixmap+0x29 [Xorg] [unknown] 31702280 bytes in 1461 allocations from stack AllocatePixmap+0x29 [Xorg] [unknown] 351019076 bytes in 480410 allocations from stack backtrace_symbols+0x110 [libc-2.23.so] my_func+0x4e [Xorg] 499727232 bytes in 14736 allocations from stack _dixAllocateObjectWithPrivates+0x45 [Xorg] [unknown]