Fix masking of irrelevant bits in address groups.

morcos · luke-jr · commit 13642a50eb77 · 2015-09-22T00:43:14.000Z
diff --git a/src/netbase.cpp b/src/netbase.cpp
@@ -980,7 +980,7 @@ std::vector<unsigned char> CNetAddr::GetGroup() const
         nBits -= 8;
     }
     if (nBits > 0)
-        vchRet.push_back(GetByte(15 - nStartByte) | ((1 << nBits) - 1));
+        vchRet.push_back(GetByte(15 - nStartByte) | ((1 << (8 - nBits)) - 1));
 
     return vchRet;
 }

Original file line number	Diff line number	Diff line change
`@@ -980,7 +980,7 @@ std::vector<unsigned char> CNetAddr::GetGroup() const`
`980`	`980`	`nBits -= 8;`
`981`	`981`	`}`
`982`	`982`	`if (nBits > 0)`
`983`		`- vchRet.push_back(GetByte(15 - nStartByte) \| ((1 << nBits) - 1));`
	`983`	`+ vchRet.push_back(GetByte(15 - nStartByte) \| ((1 << (8 - nBits)) - 1));`
`984`	`984`
`985`	`985`	`return vchRet;`
`986`	`986`	`}`