diff --git a/scripts/package-openclaw-for-docker.mjs b/scripts/package-openclaw-for-docker.mjs
index c3dc775a9df..fa633ecc8ce 100644
--- a/scripts/package-openclaw-for-docker.mjs
+++ b/scripts/package-openclaw-for-docker.mjs
@@ -17,6 +17,7 @@ const DEFAULT_TIMEOUT_KILL_AFTER_MS = 5_000;
 const PROCESS_GROUP_EXIT_POLL_MS = 25;
 const POST_FORCE_KILL_WAIT_MS = 1_000;
 const DEFAULT_CAPTURED_STDOUT_MAX_BYTES = 1024 * 1024;
+const MAX_TIMER_TIMEOUT_MS = 2_147_000_000;
 const ACTIVE_CHILD_KILLERS = new Set();
 const SIGNAL_EXIT_CODES = {
   SIGHUP: 129,
@@ -65,6 +66,23 @@ function resolveTimeoutMs(envName, defaultValue) {
   return parsed;
 }
 
+function numericTimerValueMs(valueMs) {
+  const value = Number(valueMs);
+  return Number.isFinite(value) ? Math.floor(value) : undefined;
+}
+
+function resolveTimerTimeoutMs(valueMs, fallbackMs = MAX_TIMER_TIMEOUT_MS) {
+  const value = numericTimerValueMs(valueMs) ?? numericTimerValueMs(fallbackMs);
+  return Math.min(Math.max(value ?? MAX_TIMER_TIMEOUT_MS, 1), MAX_TIMER_TIMEOUT_MS);
+}
+
+function resolveOptionalTimerTimeoutMs(valueMs) {
+  if (valueMs === undefined) {
+    return undefined;
+  }
+  return resolveTimerTimeoutMs(valueMs, 1);
+}
+
 function readOptionValue(argv, index, optionName) {
   const value = argv[index + 1];
   if (value === undefined || value === "" || value.startsWith("-")) {
@@ -149,6 +167,11 @@ export function parseArgs(argv) {
 
 function run(command, args, cwd, options = {}) {
   return new Promise((resolve, reject) => {
+    const resolvedTimeoutMs = resolveOptionalTimerTimeoutMs(options.timeoutMs);
+    const resolvedKillAfterMs = resolveTimerTimeoutMs(
+      options.killAfterMs,
+      DEFAULT_TIMEOUT_KILL_AFTER_MS,
+    );
     const useProcessGroup = process.platform !== "win32";
     const child = spawn(command, args, {
       cwd,
@@ -230,21 +253,21 @@ function run(command, args, cwd, options = {}) {
           return;
         }
         killChild("SIGKILL");
-      }, options.killAfterMs ?? DEFAULT_TIMEOUT_KILL_AFTER_MS);
+      }, resolvedKillAfterMs);
       forceKillTimeout.unref?.();
     };
     ACTIVE_CHILD_KILLERS.add(killChild);
     const timeout =
-      options.timeoutMs === undefined
+      resolvedTimeoutMs === undefined
         ? undefined
         : setTimeout(() => {
             timedOut = true;
             terminateChild();
-          }, options.timeoutMs);
+          }, resolvedTimeoutMs);
     timeout?.unref?.();
     const finishAfterTeardown = async (error, value = "") => {
       if (processGroupAlive()) {
-        await waitForProcessGroupExit(options.killAfterMs ?? DEFAULT_TIMEOUT_KILL_AFTER_MS);
+        await waitForProcessGroupExit(resolvedKillAfterMs);
       }
       if (processGroupAlive()) {
         killChild("SIGKILL");
@@ -275,7 +298,7 @@ function run(command, args, cwd, options = {}) {
     child.on("close", (status, signal) => {
       if (timedOut) {
         void finishAfterTeardown(
-          new Error(`${command} ${args.join(" ")} timed out after ${options.timeoutMs}ms`),
+          new Error(`${command} ${args.join(" ")} timed out after ${resolvedTimeoutMs}ms`),
         );
         return;
       }
diff --git a/test/e2e/qa-lab/runtime/package-openclaw-for-docker.e2e.test.ts b/test/e2e/qa-lab/runtime/package-openclaw-for-docker.e2e.test.ts
index 7bea6f99634..ffa19f8712a 100644
--- a/test/e2e/qa-lab/runtime/package-openclaw-for-docker.e2e.test.ts
+++ b/test/e2e/qa-lab/runtime/package-openclaw-for-docker.e2e.test.ts
@@ -4,6 +4,7 @@ import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { pathToFileURL } from "node:url";
+import { MAX_TIMER_TIMEOUT_MS } from "@openclaw/normalization-core/number-coercion";
 import { describe, expect, it, vi } from "vitest";
 import {
   buildPackageArtifacts,
@@ -316,6 +317,20 @@ describe("package-openclaw-for-docker", () => {
     expect(calls).toEqual(["prepare:/repo", "pack", "restore:/repo"]);
   });
 
+  it("clamps oversized command timers before scheduling", async () => {
+    await expect(
+      runCommandForTest(
+        process.execPath,
+        ["-e", "setTimeout(() => process.exit(0), 25);"],
+        process.cwd(),
+        {
+          killAfterMs: MAX_TIMER_TIMEOUT_MS + 1,
+          timeoutMs: MAX_TIMER_TIMEOUT_MS + 1,
+        },
+      ),
+    ).resolves.toBe("");
+  });
+
   it("kills timed-out child process groups", async () => {
     if (process.platform === "win32") {
       return;
@@ -354,6 +369,41 @@ describe("package-openclaw-for-docker", () => {
     }
   });
 
+  it("clamps oversized kill grace before scheduling", async () => {
+    if (process.platform === "win32") {
+      return;
+    }
+
+    const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-package-grace-"));
+    const donePath = path.join(tempDir, "done");
+    const childPidPath = path.join(tempDir, "child.pid");
+    let childPid;
+    try {
+      const script = [
+        "const fs = require('node:fs');",
+        `fs.writeFileSync(${JSON.stringify(childPidPath)}, String(process.pid));`,
+        "process.on('SIGTERM', () => {",
+        `  setTimeout(() => { fs.writeFileSync(${JSON.stringify(donePath)}, 'done'); process.exit(0); }, 75);`,
+        "});",
+        "setInterval(() => {}, 1000);",
+      ].join("\n");
+
+      const runPromise = runCommandForTest(process.execPath, ["-e", script], process.cwd(), {
+        killAfterMs: MAX_TIMER_TIMEOUT_MS + 1,
+        timeoutMs: 500,
+      });
+      childPid = await readPid(childPidPath, 2000);
+
+      await expect(runPromise).rejects.toThrow(/timed out after 500ms/u);
+      expect(fs.readFileSync(donePath, "utf8")).toBe("done");
+    } finally {
+      if (childPid && isProcessAlive(childPid)) {
+        process.kill(childPid, "SIGKILL");
+      }
+      fs.rmSync(tempDir, { force: true, recursive: true });
+    }
+  });
+
   it("keeps fallback SIGKILL armed for descendants after the direct child exits", async () => {
     if (process.platform === "win32") {
       return;