CVE-2025-71298

In CVE-2025-71298, the Linux kernel fix targets drm_gem_shmem_madvise_locking: the GEM object reservation lock is now held around the madvise path to correct locking in shmem tests. The update exposes a dedicated helper drm_gem_shmem_madvise() for Kunit tests (not intended as a driver interface)....