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core: add overflow checks to IntrinsicGas

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This commit is contained in:
nethoxa 2025-05-28 11:33:34 +02:00
parent 3f7b8bc976
commit cdcc3b323d
1 changed files with 10 additions and 0 deletions
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10
core/state_transition.go
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@ -107,10 +107,20 @@ func IntrinsicGas(data []byte, accessList types.AccessList, authList []types.Set
} }
} }
if accessList != nil { if accessList != nil {
if (math.MaxUint64-gas)/params.TxAccessListAddressGas < uint64(len(accessList)) {
return 0, ErrGasUintOverflow
}
gas += uint64(len(accessList)) * params.TxAccessListAddressGas gas += uint64(len(accessList)) * params.TxAccessListAddressGas
if (math.MaxUint64-gas)/params.TxAccessListStorageKeyGas < uint64(accessList.StorageKeys()) {
return 0, ErrGasUintOverflow
}
gas += uint64(accessList.StorageKeys()) * params.TxAccessListStorageKeyGas gas += uint64(accessList.StorageKeys()) * params.TxAccessListStorageKeyGas
} }
if authList != nil { if authList != nil {
if (math.MaxUint64-gas)/params.CallNewAccountGas < uint64(len(authList)) {
return 0, ErrGasUintOverflow
}
gas += uint64(len(authList)) * params.CallNewAccountGas gas += uint64(len(authList)) * params.CallNewAccountGas
} }
return gas, nil return gas, nil