• Gitea version (or commit ref): master
• Git version: 2.x
• Operating system: linux(centos)
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

Description

I found a thread safe problem that will let oauth2 login fail. This happened when you double click the
login button and then, as you can see, login failed(gif 1). Things also can be reproduced in try.gitea.io(gif 2).

Screenshots

gif 1

gif 2