269 	BUG_ON(!rwsem_is_locked(&mm->mmap_sem));  in handle_userfault()
276 	BUG_ON(ctx->mm != mm);  in handle_userfault()
311 		BUG_ON(flags & FAULT_FLAG_RETRY_NOWAIT);  in handle_userfault()
449 		BUG_ON(!!vma->vm_userfaultfd_ctx.ctx ^  in userfaultfd_release()
786 		BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^  in userfaultfd_register()
807 	BUG_ON(!found);  in userfaultfd_register()
816 		BUG_ON(vma->vm_ops);  in userfaultfd_register()
817 		BUG_ON(vma->vm_userfaultfd_ctx.ctx &&  in userfaultfd_register()
929 		BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^  in userfaultfd_unregister()
944 	BUG_ON(!found);  in userfaultfd_unregister()
953 		BUG_ON(vma->vm_ops);  in userfaultfd_unregister()
1077 	BUG_ON(!ret);  in userfaultfd_copy()
1120 	BUG_ON(!ret);  in userfaultfd_zeropage()
1271 	BUG_ON(!current->mm);  in userfaultfd_file_create()