CVE-2026-72311 drm/xe: free madvise VMA array on L2 flush failure

In the Linux kernel, the following vulnerability has been resolved: drm/xe: free madvise VMA array on L2 flush failure xevmmadviseioctl allocates madviserange.vmas in getvmas. After getvmas succeeds with at least one VMA, error paths must go through freevmas so the array is released before the...