ci: quarantine worker transfer-terminate tests on ASAN; widen node-net mimalloc threshold

test/expectations.txt

@@ -86,6 +86,24 @@ test/js/bun/spawn/spawn-maxbuf.test.ts [ FLAKY ]
 # Tests failed due to ASAN: SEGV on unknown address
 [ ASAN ] test/integration/next-pages/test/dev-server.test.ts [ CRASH ]
 
+# worker.terminate() lands while a process.* lazy PropertyCallback builder
+# (stdout/stderr/stdin/nextTick/mainModule, via setupWorkerStdio) is in JS;
+# tryClearException() refuses to clear the TerminationException, so the
+# builder returns with it pending and reifyStaticProperty reports the slot
+# found, tripping JSC's "ASSERTION FAILED: !scope.exception() || !result"
+# in getOwnPropertyDescriptor / JSValue::get. Tracked in #34095; fix PRs
+# #33966 and #33418. x64-asan only (e.g. builds 75570, 75601); release
+# lanes are unaffected. Remove once either fix PR lands.
+[ ASAN ] test/js/node/test/parallel/test-worker-message-port-transfer-terminate.js [ CRASH ] # #34095: JSC assertion when terminate() interrupts a lazy PropertyCallback builder
+# The stress test is the bun-owned 8×10-worker amplification of the above,
+# but on CI it only ever hits JSC::ExceptionScope::assertNoException at
+# ExceptionScope.h:61 (6/6: builds 75493/75495/75514/75597/75604/75606),
+# which #33966 reports still reproducing at ~1/4000 workers AFTER its
+# lazy-builder fix ("termination landing later in the bootstrap, after the
+# stdio builders have completed"). Tracked separately in #34690; this entry
+# is NOT removable with the one above.
+[ ASAN ] test/js/node/worker_threads/worker-transfer-terminate-stress.test.ts [ CRASH ] # #34690: ExceptionScope::assertNoException during worker terminate bootstrap
+
 # Tests failed due to ASAN: use-after-poison
 [ ASAN ] test/js/node/test/parallel/test-worker-unref-from-message-during-exit.js [ CRASH ]
 [ ASAN ] test/napi/napi.test.ts [ CRASH ] # can throw an exception from an async_complete_callback

test/js/node/net/node-net.test.ts

@@ -963,9 +963,10 @@ it.skipIf(isWindows)(
     const [stdout, stderr, exitCode] = await Promise.all([proc.stdout.text(), proc.stderr.text(), proc.exited]);
     expect(stderr).toBe("");
     const { before, after, delta } = JSON.parse(stdout.trim().split("\n").pop()!);
-    // Without the balancing deref: +25 pages (release) / +163 pages
-    // (debug+ASAN). With it: 0 ± 2. The threshold sits well clear of both.
-    expect(delta, `mimalloc page count: ${before} -> ${after}`).toBeLessThan(10);
+    // Without the balancing deref: +25 pages (release) / +163 (debug+ASAN).
+    // With it the socket delta is 0, but since #34009 JSC shares mimalloc and
+    // adds up to +14 of heap noise on aarch64/darwin release (build 75589).
+    expect(delta, `mimalloc page count: ${before} -> ${after}`).toBeLessThan(20);
     expect(exitCode).toBe(0);
   },
   60_000,