aboutsummaryrefslogtreecommitdiffstats
path: root/core
diff options
context:
space:
mode:
Diffstat (limited to 'core')
-rw-r--r--core/filter.go2
-rw-r--r--core/vm/stack.go6
2 files changed, 7 insertions, 1 deletions
diff --git a/core/filter.go b/core/filter.go
index 901931d99..ba5d5e14e 100644
--- a/core/filter.go
+++ b/core/filter.go
@@ -4,8 +4,8 @@ import (
"math"
"github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/state"
+ "github.com/ethereum/go-ethereum/core/types"
)
type AccountChange struct {
diff --git a/core/vm/stack.go b/core/vm/stack.go
index c5c2774db..1e093476b 100644
--- a/core/vm/stack.go
+++ b/core/vm/stack.go
@@ -5,6 +5,8 @@ import (
"math/big"
)
+const maxStack = 1024
+
func newStack() *stack {
return &stack{}
}
@@ -15,6 +17,10 @@ type stack struct {
}
func (st *stack) push(d *big.Int) {
+ if len(st.data) == maxStack {
+ panic(fmt.Sprintf("stack limit reached (%d)", maxStack))
+ }
+
stackItem := new(big.Int).Set(d)
if len(st.data) > st.ptr {
st.data[st.ptr] = stackItem