From 886be97af5d4aba338b23a7b20b8560be8156231 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter@wuille.net>
Date: Mon, 12 Oct 2020 15:35:08 -0700
Subject: Ignore incorrectly-serialized banlist.dat entries

---
 src/netaddress.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/netaddress.h')

diff --git a/src/netaddress.h b/src/netaddress.h
index aea0875511..803b00481e 100644
--- a/src/netaddress.h
+++ b/src/netaddress.h
@@ -451,6 +451,8 @@ class CSubNet
         /// Is this value valid? (only used to signal parse errors)
         bool valid;
 
+        bool SanityCheck() const;
+
     public:
         CSubNet();
         CSubNet(const CNetAddr& addr, uint8_t mask);
@@ -482,6 +484,8 @@ class CSubNet
                 READWRITE(obj.netmask);
             }
             READWRITE(obj.valid);
+            // Mark invalid if the result doesn't pass sanity checking.
+            SER_READ(obj, if (obj.valid) obj.valid = obj.SanityCheck());
         }
 };
 
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