When using gem with vram carveout the page allocation is managed via
drm_mm. The necessary drm_mm_node is allocated in add_vma, but it freed
before the drm_mm_node has been deallocated leading to use-after-free on
every single vram allocation.
Currently put_iova is called before free_object.
Hi Iskren,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20201125]
[also build test ERROR on 6147c83fd749d19a0d3ccc2f64d12138ab010b47]
[cannot apply to drm-intel/for-linux-next drm-tip/drm-tip linus/master
robclark/msm-next v5.10-rc5 v5.10-rc4 v5.10-rc3 v5.10-
