diff --git a/.buildkite/ci.mjs b/.buildkite/ci.mjs
index caaf647428..77787dd3ac 100755
--- a/.buildkite/ci.mjs
+++ b/.buildkite/ci.mjs
@@ -371,7 +371,7 @@ function getZigAgent(platform, options) {
  * @returns {Agent}
  */
 function getTestAgent(platform, options) {
-  const { os, arch } = platform;
+  const { os, arch, profile } = platform;
 
   if (os === "darwin") {
     return {
@@ -391,6 +391,13 @@ function getTestAgent(platform, options) {
   }
 
   if (arch === "aarch64") {
+    if (profile === "asan") {
+      return getEc2Agent(platform, options, {
+        instanceType: "c8g.2xlarge",
+        cpuCount: 2,
+        threadsPerCore: 1,
+      });
+    }
     return getEc2Agent(platform, options, {
       instanceType: "c8g.xlarge",
       cpuCount: 2,
@@ -398,6 +405,13 @@ function getTestAgent(platform, options) {
     });
   }
 
+  if (profile === "asan") {
+    return getEc2Agent(platform, options, {
+      instanceType: "c7i.2xlarge",
+      cpuCount: 2,
+      threadsPerCore: 1,
+    });
+  }
   return getEc2Agent(platform, options, {
     instanceType: "c7i.xlarge",
     cpuCount: 2,
diff --git a/scripts/runner.node.mjs b/scripts/runner.node.mjs
index ead78ebbc2..fedfb07c8b 100755
--- a/scripts/runner.node.mjs
+++ b/scripts/runner.node.mjs
@@ -72,6 +72,7 @@ const cwd = import.meta.dirname ? dirname(import.meta.dirname) : process.cwd();
 const testsPath = join(cwd, "test");
 
 const spawnTimeout = 5_000;
+const spawnBunTimeout = 20_000; // when running with ASAN/LSAN bun can take a bit longer to exit, not a bug.
 const testTimeout = 3 * 60_000;
 const integrationTimeout = 5 * 60_000;
 
@@ -1152,6 +1153,9 @@ async function spawnBun(execPath, { args, cwd, timeout, env, stdout, stderr }) {
     }
     bunEnv["TEMP"] = tmpdirPath;
   }
+  if (timeout === undefined) {
+    timeout = spawnBunTimeout;
+  }
   try {
     const existingCores = options["coredump-upload"] ? readdirSync(coresDir) : [];
     const result = await spawnSafe({
diff --git a/src/bun.js/bindings/bindings.cpp b/src/bun.js/bindings/bindings.cpp
index 93efe7c2b5..f1f5cb0de6 100644
--- a/src/bun.js/bindings/bindings.cpp
+++ b/src/bun.js/bindings/bindings.cpp
@@ -4102,10 +4102,12 @@ extern "C" JSC::EncodedJSValue JSC__JSValue__getOwn(JSC::EncodedJSValue JSValue0
     auto identifier = JSC::Identifier::fromString(vm, propertyNameString);
     auto property = JSC::PropertyName(identifier);
     PropertySlot slot(value, PropertySlot::InternalMethodType::GetOwnProperty);
-    if (value.getOwnPropertySlot(globalObject, property, slot)) {
-        RELEASE_AND_RETURN(scope, JSValue::encode(slot.getValue(globalObject, property)));
-    }
-    RELEASE_AND_RETURN(scope, {});
+    bool hasSlot = value.getOwnPropertySlot(globalObject, property, slot);
+    RETURN_IF_EXCEPTION(scope, {});
+    if (!hasSlot) return {};
+    auto slotValue = slot.getValue(globalObject, property);
+    RETURN_IF_EXCEPTION(scope, {});
+    return JSValue::encode(slotValue);
 }
 
 JSC::EncodedJSValue JSC__JSValue__getIfPropertyExistsFromPath(JSC::EncodedJSValue JSValue0, JSC::JSGlobalObject* globalObject, JSC::EncodedJSValue arg1)