From e1d75ee6023ba7cba510d4e3957b41a1e8b64213 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Mon, 30 Sep 2019 08:53:02 -0400
Subject: [PATCH] Prevent reverse-lookup from finding badfilter-ed filters

This could occur when clicking old entries in the logger
which no longer matched the internal state of uBO.

Related feedback:
- https://github.com/MajkiIT/polish-ads-filter/issues/14768#issuecomment-536006312
---
 src/js/reverselookup-worker.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/js/reverselookup-worker.js b/src/js/reverselookup-worker.js
index 0983e578d..2c207e22f 100644
--- a/src/js/reverselookup-worker.js
+++ b/src/js/reverselookup-worker.js
@@ -49,6 +49,9 @@ const extractBlocks = function(content, begId, endId) {
 
 /******************************************************************************/
 
+// https://github.com/MajkiIT/polish-ads-filter/issues/14768#issuecomment-536006312
+//   Avoid reporting badfilter-ed filters.
+
 const fromNetFilter = function(details) {
     const lists = [];
     const compiledFilter = details.compiledFilter;
@@ -56,7 +59,7 @@ const fromNetFilter = function(details) {
     for ( const assetKey in listEntries ) {
         const entry = listEntries[assetKey];
         if ( entry === undefined ) { continue; }
-        const content = extractBlocks(entry.content, 0, 1000);
+        const content = extractBlocks(entry.content, 0, 0);
         let pos = 0;
         for (;;) {
             pos = content.indexOf(compiledFilter, pos);