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| author |  Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
| 2022-11-27 06:16:52 -0800 |
|---|---|---|
| committer | Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
| 2022-11-27 06:16:52 -0800 |
| commit | 74e87b5a8a94a59bbfa32bba554503921c74c68c (patch) | |
| tree | 1ce53ff09e376224e1598dbff8b669e2b4be3175 /src | |
| parent | 819a63e3ec905d1f013ff9c7b7480ff649b78477 (diff) | |
| download | bun-74e87b5a8a94a59bbfa32bba554503921c74c68c.tar.gz bun-74e87b5a8a94a59bbfa32bba554503921c74c68c.tar.zst bun-74e87b5a8a94a59bbfa32bba554503921c74c68c.zip | |
Fix crash in OnigurumaRegExp getters
Diffstat (limited to 'src')
| -rw-r--r-- | src/bun.js/bindings/OnigurumaRegExp.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/bun.js/bindings/OnigurumaRegExp.cpp b/src/bun.js/bindings/OnigurumaRegExp.cpp index c9dedb09c..446a576e8 100644 --- a/src/bun.js/bindings/OnigurumaRegExp.cpp +++ b/src/bun.js/bindings/OnigurumaRegExp.cpp @@ -465,12 +465,18 @@ JSC_DEFINE_CUSTOM_GETTER(onigurumaRegExpProtoGetterFlags, (JSGlobalObject * glob JSC_DEFINE_CUSTOM_GETTER(onigurumaRegExpProtoGetterLastIndex, (JSGlobalObject * globalObject, EncodedJSValue encodedThis, PropertyName)) { auto* thisValue = jsDynamicCast<OnigurumaRegEx*>(JSValue::decode(encodedThis)); + if (UNLIKELY(!thisValue)) { + return JSValue::encode(jsUndefined()); + } return JSValue::encode(jsNumber(thisValue->m_lastIndex)); } JSC_DEFINE_CUSTOM_SETTER(onigurumaRegExpProtoSetterLastIndex, (JSGlobalObject * globalObject, EncodedJSValue encodedThis, EncodedJSValue encodedValue, PropertyName)) { auto* thisValue = jsDynamicCast<OnigurumaRegEx*>(JSValue::decode(encodedThis)); + if (UNLIKELY(!thisValue)) { + return JSValue::encode(jsUndefined()); + } auto throwScope = DECLARE_THROW_SCOPE(globalObject->vm()); JSValue value = JSValue::decode(encodedValue); if (!value.isAnyInt()) { |