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| author | Rafał Mikrut <mikrutrafal54@gmail.com> | 2019-12-12 20:00:26 +0100 |
|---|---|---|
| committer | Rafał Mikrut <mikrutrafal54@gmail.com> | 2019-12-12 20:00:26 +0100 |
| commit | 162a64efcd3cd95035e7dce3403452fd4dfdbd9a (patch) | |
| tree | 395db3fa7a56d91817d2ece69f657a4d444363f1 /core | |
| parent | 8eb183aebb9c79ff92d6f566af7ad2f91696ce08 (diff) | |
Don't allow to use too big or too small shift operators
Diffstat (limited to 'core')
| -rw-r--r-- | core/variant_op.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/variant_op.cpp b/core/variant_op.cpp index ea9e29e744..ae47397558 100644 --- a/core/variant_op.cpp +++ b/core/variant_op.cpp @@ -1118,6 +1118,8 @@ void Variant::evaluate(const Operator &p_op, const Variant &p_a, CASE_TYPE(math, OP_SHIFT_LEFT, INT) { if (p_b.type != INT) _RETURN_FAIL; + if (p_b._data._int < 0 || p_b._data._int >= 64) + _RETURN_FAIL; _RETURN(p_a._data._int << p_b._data._int); } @@ -1129,6 +1131,8 @@ void Variant::evaluate(const Operator &p_op, const Variant &p_a, CASE_TYPE(math, OP_SHIFT_RIGHT, INT) { if (p_b.type != INT) _RETURN_FAIL; + if (p_b._data._int < 0 || p_b._data._int >= 64) + _RETURN_FAIL; _RETURN(p_a._data._int >> p_b._data._int); } |