Ignore incorrectly-serialized banlist.dat entries

1 files changed, 4 insertions, 0 deletions

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());
         }
 };