Authenticate user stalls on 302 after POST is successful

[tiggums B]

Hello,

SUMMARY:

During user authentication, POST is successful but will stall on the 302 redirect.

INFO:

On Chrome(85.0.4183.83)

Django 2.1 & Django 3.1

DEBUG = True, 

Happens rarely on HTTPS live-servers

STEPS TO REPRODUCE:

1. On chrome browser, run manage.py runserver
2. Using a custom AUTH_USER_MODEL, authenticate a user
3. Local machine will return "POST / HTTP/1.1" 302 0 and stall here
4. Refreshing page will return GET 200
5. All following authentication/redirects will work normally

WHAT I'VE TRIED:

Set CSRF_COOKIE_SAMESITE = 'Strict' as indicated by Stack overflow

Cleared Cookies before-hand

Works on Microsoft Edge(84.0.522.63)

Does not happen on live servers launched 

RESOURCE:

https://bugs.chromium.org/p/chromium/issues/detail?id=1099122

QUESTIONS:

Has anyone else encountered this issue?

Has anyone else found a solution that works?

[Dylan Reinhold]

I have the same thing on a few small sites I have. I had assumed it was something I did.

I asked about it last month or so and did not get anyone saying they also see it.

I had even built a new project at that time to test and saw the same thing.

As they are sites just for me, I just resorted to clicking submit and wait 5 seconds then refresh the admin page and i am in.

I just tried in firefox and it did not freeze like chrome.

Dylan

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