Catch exceptions from non-canonical encoding and print only to log

src/main.cpp

@@ -5567,6 +5567,11 @@ bool ProcessMessages(CNode* pfrom)
                 // Allow exceptions from over-long size
                 LogPrintf("%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what());
             }
+            else if (strstr(e.what(), "non-canonical ReadCompactSize()"))
+            {
+                // Allow exceptions from non-canonical encoding
+                LogPrintf("%s(%s, %u bytes): Exception '%s' caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what());
+            }
             else
             {
                 PrintExceptionContinue(&e, "ProcessMessages()");