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Fix #9761: invalid read in ride_measurement_update

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Ted John
2019-08-08 12:55:14 +01:00
parent 53f228fc33
commit 08677a3322
1 changed files with 5 additions and 0 deletions
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5
src/openrct2/ride/Ride.cpp
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@@ -2929,11 +2929,16 @@ static void ride_music_update(Ride* ride)
static void ride_measurement_update(RideMeasurement* measurement)
{
auto ride = measurement->ride;
if (ride == nullptr || measurement->vehicle_index >= std::size(ride->vehicles))
return;
auto spriteIndex = ride->vehicles[measurement->vehicle_index];
if (spriteIndex == SPRITE_INDEX_NULL)
return;
auto vehicle = GET_VEHICLE(spriteIndex);
if (vehicle == nullptr)
return;
if (measurement->flags & RIDE_MEASUREMENT_FLAG_UNLOADING)
{