CVE-2026-52949 drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fix ttmboshrink infinite LRU walk on backup failure Apply the same fix as b2ed01e7ad "drm/ttm: Fix ttmboswapout infinite LRU walk on swapout failure" to the ttmboshrink path. Move delbulkmove from before the backup to...

CVE-2026-52949

In CVE-2026-52949, the Linux kernel DRM/TTM component ttm_bo_shrink() was fixed to prevent an infinite LRU walk on backup failure. The patch mirrors the prior ttm_bo_swapout() fix: move del_bulk_move from before the backup to after success, and switch to using ttm_resource_del_bulk_move_unevictab...