static inline void pipe_truncate(struct iov_iter *i)
{
	struct pipe_inode_info *pipe = i->pipe;
	if (pipe->nrbufs) {
		size_t off = i->iov_offset;
		int idx = i->idx;
		int nrbufs = (idx - pipe->curbuf) & (pipe->buffers - 1);
		if (off) {
			pipe->bufs[idx].len = off - pipe->bufs[idx].offset;
			idx = next_idx(idx, pipe);
			nrbufs++;
		}
		while (pipe->nrbufs > nrbufs) {
			pipe_buf_release(pipe, &pipe->bufs[idx]);
			idx = next_idx(idx, pipe);
			pipe->nrbufs--;
		}
	}
}
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.