Merge pull request cosmos#274 from CosmWasm/prevent_overflow

Prevent integer overflow
notional-labs · Oct 7, 2020 · ad4262a · ad4262a
2 parents 3571625 + 5fbf4ae
commit ad4262a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/x/wasm/internal/keeper/keeper.go b/x/wasm/internal/keeper/keeper.go
@@ -559,7 +559,10 @@ func (k Keeper) dispatchMessages(ctx sdk.Context, contractAddr sdk.AccAddress, m
 
 func gasForContract(ctx sdk.Context) uint64 {
 	meter := ctx.GasMeter()
-	remaining := (meter.Limit() - meter.GasConsumed()) * GasMultiplier
+	if meter.IsOutOfGas() {
+		return 0
+	}
+	remaining := (meter.Limit() - meter.GasConsumedToLimit()) * GasMultiplier
 	if remaining > MaxGas {
 		return MaxGas
 	}