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core/vm: fix error in memory calculation

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This commit is contained in:
Martin Holst Swende 2019-03-07 12:01:46 +01:00
parent e17df3ebce
commit 1f5c28d833
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GPG key ID: 683B438C05A5DDF0
1 changed files with 2 additions and 2 deletions
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4
core/vm/common.go
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@ -28,7 +28,7 @@ import (
func calcMemSize64(off, l *big.Int) (uint64, bool) { func calcMemSize64(off, l *big.Int) (uint64, bool) {
// if length is zero, memsize is always zero, regardless of offset // if length is zero, memsize is always zero, regardless of offset
if l.Sign() == 0 { if l.Sign() == 0 {
return 0, true return 0, false
} }
// Check that neither offset nor length overflows // Check that neither offset nor length overflows
if off.BitLen() > 64 || l.BitLen() > 64 { if off.BitLen() > 64 || l.BitLen() > 64 {
@ -51,7 +51,7 @@ func calcMemSize64(off, l *big.Int) (uint64, bool) {
func calcMemSize64WithUint(off *big.Int, length64 uint64) (uint64, bool) { func calcMemSize64WithUint(off *big.Int, length64 uint64) (uint64, bool) {
// if length is zero, memsize is always zero, regardless of offset // if length is zero, memsize is always zero, regardless of offset
if length64 == 0 { if length64 == 0 {
return 0, true return 0, false
} }
// Check that offset doesn't overflow // Check that offset doesn't overflow
if off.BitLen() > 64 { if off.BitLen() > 64 {