CVE-2026-63800

The CVE-2026-63800 entry describes a Linux kernel pNFS bug: when pnfs_update_layout() hits the NFS_LAYOUT_RETURN branch, a use-after-free can occur because trace_pnfs_update_layout() still references the lo object after calling pnfs_put_layout_hdr(lo). The fix is to move the tracepoint call to oc...