Codex extension kills the page

[terion-name]

Is there an existing issue for this?

• I have searched the existing issues

OS/Web Information

• Web Browser: Chrome
• Local OS: Macos
• Remote OS: Ubuntu server
• Remote Architecture: x64
• code-server: v4.127.0
  Code: 1.127.0
  Commit: 1e6ed87
  Date: 2026-06-30T11:53:00Z (2 wks ago)
  Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36

Steps to Reproduce

1. Install codex extension
2. Open it
   3....

Expected

It works

Actual

Page hangs and crashes

Logs

workbench.js:431 Error
    at a.create (workbench.js:431:19254)
    at iwe._event (workbench.js:433:2009)
    at new Ge (workbench.js:433:31283)
    at Jae.doReadFileStream (workbench.js:5108:141091)
    at Jae.readFileStream (workbench.js:5108:141027)
    at async K1o (workbench.js:5157:10173)
    at async mle.loadResource (workbench.js:5157:25412)
workbench.js:442   ERR potential listener LEAK detected, popular: Error
    at a.create (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:431:19254)
    at iwe._event (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:433:2009)
    at new Ge (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:433:31283)
    at Jae.doReadFileStream (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5108:141091)
    at Jae.readFileStream (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5108:141027)
    at async K1o (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5157:10173)
    at async mle.loadResource (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5157:25412)
workbench.js:431 [2127] potential listener LEAK detected, having 263 listeners already. MOST frequent listener (89):
workbench.js:431 Error
    at a.create (workbench.js:431:19254)
    at iwe._event (workbench.js:433:2009)
    at new Ge (workbench.js:433:31283)
    at Jae.doReadFileStream (workbench.js:5108:141091)
    at Jae.readFileStream (workbench.js:5108:141027)
    at async K1o (workbench.js:5157:10173)
    at async mle.loadResource (workbench.js:5157:25412)
workbench.js:442   ERR potential listener LEAK detected, dominated: Error
    at a.create (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:431:19254)
    at iwe._event (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:433:2009)
    at new Ge (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:433:31283)
    at Jae.doReadFileStream (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5108:141091)
    at Jae.readFileStream (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5108:141027)
    at async K1o (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5157:10173)
    at async mle.loadResource (https://***/stable-1e6ed87…/static/out/vs/code/browser/workbench/workbench.js:5157:25412)
workbench.js:431 [2127] potential listener LEAK detected, having 351 listeners already. MOST frequent listener (177):
workbench.js:431 Error
    at a.create (workbench.js:431:19254)
    at iwe._event (workbench.js:433:2009)
    at new Ge (workbench.js:433:31283)
    at Jae.doReadFileStream (workbench.js:5108:141091)
    at Jae.readFileStream (workbench.js:5108:141027)
    at async K1o (workbench.js:5157:10173)
    at async mle.loadResource (workbench.js:5157:25412)
workbench.js:431 [2127] potential listener LEAK detected, having 439 listeners already. MOST frequent listener (265):
workbench.js:431 Error
    at a.create (workbench.js:431:19254)
    at iwe._event (workbench.js:433:2009)
    at new Ge (workbench.js:433:31283)
    at Jae.doReadFileStream (workbench.js:5108:141091)
    at Jae.readFileStream (workbench.js:5108:141027)
    at async K1o (workbench.js:5157:10173)
    at async mle.loadResource (workbench.js:5157:25412)
workbench.js:431 [2127] potential listener LEAK detected, having 527 listeners already. MOST frequent listener (353):
workbench.js:431 Error
    at a.create (workbench.js:431:19254)
    at iwe._event (workbench.js:433:2009)
    at new Ge (workbench.js:433:31283)
    at Jae.doReadFileStream (workbench.js:5108:141091)
    at Jae.readFileStream (workbench.js:5108:141027)
    at async K1o (workbench.js:5157:10173)
    at async mle.loadResource (workbench.js:5157:25412)

Screenshot/Video

Does this bug reproduce in native VS Code?

No, this works as expected in native VS Code

Does this bug reproduce in VS Code web?

I did not test VS Code web

Does this bug reproduce in GitHub Codespaces?

I did not test GitHub Codespaces

Are you accessing code-server over a secure context?

• I am using a secure context.

Notes

No response

[linear-code]

DEVEX-625