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Fix #7820: Heap use after free when removing oil rig

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Jonathan G Rennison
2019-11-02 21:11:46 +00:00
committed by Michael Lutz
parent 460f73cd2d
commit 2be619ea88
2 changed files with 7 additions and 1 deletions
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4
src/station_cmd.cpp
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@@ -4172,6 +4172,10 @@ void DeleteOilRig(TileIndex tile)
/* The oil rig station is not supposed to be shared with anything else */
assert(st->facilities == (FACIL_AIRPORT | FACIL_DOCK) && st->airport.type == AT_OILRIG);
if (st->industry != nullptr && st->industry->neutral_station == st) {
/* Don't leave dangling neutral station pointer */
st->industry->neutral_station = nullptr;
}
delete st;
}