Merge "sched/core: Fix use after free issue in is_sched_lib_based_app()"

	char path_buf[LIB_PATH_LENGTH];

	bool found = false;

	struct task_struct *p;

	struct mm_struct *mm;

	if (strnlen(sched_lib_name, LIB_PATH_LENGTH) == 0)

		return false;

	get_task_struct(p);

	rcu_read_unlock();

	if (!p->mm)

	mm = get_task_mm(p);

	if (!mm)

		goto put_task_struct;

	down_read(&p->mm->mmap_sem);

	for (vma = p->mm->mmap; vma ; vma = vma->vm_next) {

	down_read(&mm->mmap_sem);

	for (vma = mm->mmap; vma ; vma = vma->vm_next) {

		if (vma->vm_file && vma->vm_flags & VM_EXEC) {

			name = d_path(&vma->vm_file->f_path,

					path_buf, LIB_PATH_LENGTH);

	}

release_sem:

	up_read(&p->mm->mmap_sem);

	up_read(&mm->mmap_sem);

	mmput(mm);

put_task_struct:

	put_task_struct(p);

	return found;