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Bail out before pushing unexpected object

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Nobuyoshi Nakada 2020-04-03 01:06:56 +09:00
parent 2544bf9452
commit 2a4049b23c
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1 changed files with 12 additions and 0 deletions
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12
gc.c
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@ -4629,6 +4629,18 @@ free_stack_chunks(mark_stack_t *stack)
static void
push_mark_stack(mark_stack_t *stack, VALUE data)
{
VALUE obj = data;
switch (BUILTIN_TYPE(obj)) {
case T_NIL:
case T_FIXNUM:
rb_bug("push_mark_stack() called for broken object");
break;
case T_NODE:
UNEXPECTED_NODE(push_mark_stack);
break;
}
if (stack->index == stack->limit) {
push_mark_stack_chunk(stack);
}