Merge "msm: adsprpc: overflow vulnerability by race condition in adsprpc driver"

{

	int err = 0, buf_size = 0;

	char strpid[PID_SIZE];

	char cur_comm[TASK_COMM_LEN];

	memcpy(cur_comm, current->comm, TASK_COMM_LEN);

	cur_comm[TASK_COMM_LEN-1] = '\0';

	fl->tgid = current->tgid;

	snprintf(strpid, PID_SIZE, "%d", current->pid);

	buf_size = strlen(current->comm) + strlen("_") + strlen(strpid) + 1;

	buf_size = strlen(cur_comm) + strlen("_") + strlen(strpid) + 1;

	fl->debug_buf = kzalloc(buf_size, GFP_KERNEL);

	if (!fl->debug_buf) {

		err = -ENOMEM;

		return err;

	}

	snprintf(fl->debug_buf, UL_SIZE, "%.10s%s%d",

			current->comm, "_", current->pid);

	snprintf(fl->debug_buf, buf_size, "%.10s%s%d",

			cur_comm, "_", current->pid);

	fl->debugfs_file = debugfs_create_file(fl->debug_buf, 0644,

					debugfs_root, fl, &debugfs_fops);

	if (!fl->debugfs_file)

		pr_warn("Error: %s: %s: failed to create debugfs file %s\n",

				current->comm, __func__, fl->debug_buf);

				cur_comm, __func__, fl->debug_buf);

	return err;

}