From 8e9e525e01e9cb4d05912a7adce0e6f2f910b90a Mon Sep 17 00:00:00 2001
From: Soeren Apel <soeren@apelpie.net>
Date: Mon, 8 Oct 2018 23:54:17 +0200
Subject: [PATCH 1/1] LogicSegment: Check upper bound when performing edge
 search

---
 pv/data/logicsegment.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pv/data/logicsegment.cpp b/pv/data/logicsegment.cpp
index 2f69e02d..8f5eab67 100644
--- a/pv/data/logicsegment.cpp
+++ b/pv/data/logicsegment.cpp
@@ -371,6 +371,9 @@ void LogicSegment::get_subsampled_edges(
 void LogicSegment::get_surrounding_edges(vector<EdgePair> &dest,
 	uint64_t origin_sample, float min_length, int sig_index)
 {
+	if (origin_sample >= sample_count_)
+		return;
+
 	// Put the edges vector on the heap, it can become quite big until we can
 	// use a get_subsampled_edges() implementation that searches backwards
 	vector<EdgePair>* edges = new vector<EdgePair>;
-- 
2.30.2