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Fix buffer overflow when limiting stack node's successor count

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This commit is contained in:
Max Brunsfeld 2016-03-10 11:43:13 -08:00
parent da4a3f6516
commit a8774831e8
1 changed files with 7 additions and 5 deletions
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12
src/runtime/stack.c
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@ -133,11 +133,13 @@ static void stack_node_add_successor(StackNode *self, TSTree *new_tree,
}
}
stack_node_retain(new_node);
ts_tree_retain(new_tree);
self->successors[self->successor_count++] = (StackLink){
new_node, new_tree,
};
if (self->successor_count < MAX_SUCCESSOR_COUNT) {
stack_node_retain(new_node);
ts_tree_retain(new_tree);
self->successors[self->successor_count++] = (StackLink){
new_node, new_tree,
};
}
}
/*