From e16a7ef60ff1dedc3fe8f16e932466dc057787f7 Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Tue, 23 May 2017 10:40:09 +0200 Subject: core/vm: capped int pool --- core/vm/intpool.go | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'core') diff --git a/core/vm/intpool.go b/core/vm/intpool.go index 4f1228e14..384f5df59 100644 --- a/core/vm/intpool.go +++ b/core/vm/intpool.go @@ -20,6 +20,8 @@ import "math/big" var checkVal = big.NewInt(-42) +const poolLimit = 256 + // intPool is a pool of big integers that // can be reused for all big.Int operations. type intPool struct { @@ -37,6 +39,10 @@ func (p *intPool) get() *big.Int { return new(big.Int) } func (p *intPool) put(is ...*big.Int) { + if len(p.pool.data) > poolLimit { + return + } + for _, i := range is { // verifyPool is a build flag. Pool verification makes sure the integrity // of the integer pool by comparing values to a default value. -- cgit v1.2.3