Exception when updating project visibility

Summary

Changing the visibility of a project causes an exception.

Steps to reproduce

Go to the settings of a project and try to change its visibility.

Example Project

Cannot reproduce on other projects.

What is the current bug behavior?

An exception is thrown.

What is the expected correct behavior?

Changing the visibility without any error.

Relevant logs and/or screenshots

Started PATCH "/[FILTERED]/[FILTERED]" for [FILTERED] at 2020-01-28 18:45:19 +0000
Processing by ProjectsController#update as JS
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"[FILTERED]", "update_section"=>"js-shared-permissions", "project"=>{"visibility_level"=>"0", "project_feature_attributes"=>{"issues_access_level"=>"10", "repository_access_level"=>"10", "merge_requests_access_level"=>"10", "forking_access_level"=>"20", "builds_access_level"=>"10", "wiki_access_level"=>"10", "snippets_access_level"=>"10"}, "container_registry_enabled"=>"true", "lfs_enabled"=>"false", "emails_disabled"=>"false"}, "commit"=>"Änderungen speichern", "namespace_id"=>"[FILTERED]", "id"=>"Automation"}
Completed 500 Internal Server Error in 32ms (ActiveRecord: 14.5ms | Elasticsearch: 0.0ms)
  
OpenSSL::Cipher::CipherError ():
  
lib/gitlab/crypto_helper.rb:27:in `aes256_gcm_decrypt'
app/models/concerns/token_authenticatable_strategies/encrypted.rb:45:in `get_token'
app/models/concerns/token_authenticatable_strategies/base.rb:27:in `ensure_token'
app/models/concerns/token_authenticatable_strategies/encrypted.rb:32:in `ensure_token'
app/models/concerns/token_authenticatable.rb:38:in `block in add_authentication_token_field'
app/services/projects/update_service.rb:23:in `execute'
app/controllers/projects_controller.rb:73:in `update'
lib/gitlab/session.rb:11:in `with_session'
app/controllers/application_controller.rb:467:in `set_session_storage'
lib/gitlab/i18n.rb:55:in `with_locale'
lib/gitlab/i18n.rb:61:in `with_user_locale'
app/controllers/application_controller.rb:461:in `set_locale'
lib/gitlab/application_context.rb:18:in `with_context'
app/controllers/application_controller.rb:453:in `set_current_context'
lib/gitlab/error_tracking.rb:34:in `with_context'
app/controllers/application_controller.rb:545:in `sentry_context'
lib/gitlab/request_profiler/middleware.rb:17:in `call'
lib/gitlab/middleware/go.rb:20:in `call'
lib/gitlab/etag_caching/middleware.rb:13:in `call'
lib/gitlab/middleware/multipart.rb:117:in `call'
lib/gitlab/middleware/read_only/controller.rb:52:in `call'
lib/gitlab/middleware/read_only.rb:18:in `call'
lib/gitlab/middleware/basic_health_check.rb:25:in `call'
lib/gitlab/middleware/request_context.rb:23:in `call'
config/initializers/fix_local_cache_middleware.rb:9:in `call'
lib/gitlab/metrics/requests_rack_middleware.rb:49:in `call'
lib/gitlab/middleware/release_env.rb:12:in `call'

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info

System information
System:		Debian 9.11
Current User:	git
Using RVM:	no
Ruby Version:	2.6.5p114
Gem Version:	2.7.10
Bundler Version:1.17.3
Rake Version:	12.3.3
Redis Version:	5.0.7
Git Version:	2.24.1
Sidekiq Version:5.2.7
Go Version:	unknown
GitLab information
Version:	12.7.2
Revision:	2d4cda9da36
Directory:	/opt/gitlab/embedded/service/gitlab-rails
DB Adapter:	PostgreSQL
DB Version:	10.9
URL:		https://[REDACTED]
HTTP Clone URL:	https://[REDACTED]/some-group/some-project.git
SSH Clone URL:	git@[REDACTED]:some-group/some-project.git
Using LDAP:	no
Using Omniauth:	yes
Omniauth Providers:
GitLab Shell
Version:	11.0.0
Repository storage paths:
default: 	/var/opt/gitlab/git-data/repositories
GitLab Shell path:		/opt/gitlab/embedded/service/gitlab-shell
Git:		/opt/gitlab/embedded/bin/git

Results of GitLab application Check

Expand for output related to the GitLab application check

Checking GitLab subtasks ...

Checking GitLab Shell ...

GitLab Shell: ... GitLab Shell version >= 11.0.0 ? ... OK (11.0.0)
Running /opt/gitlab/embedded/service/gitlab-shell/bin/check
Internal API available: OK
Redis available via internal API: OK
gitlab-shell self-check successful

Checking GitLab Shell ... Finished

Checking Gitaly ...

Gitaly: ... default ... OK

Checking Gitaly ... Finished

Checking Sidekiq ...

Sidekiq: ... Running? ... yes
Number of Sidekiq processes ... 1

Checking Sidekiq ... Finished

Checking Incoming Email ...

Incoming Email: ... Reply by email is disabled in config/gitlab.yml

Checking Incoming Email ... Finished

Checking LDAP ...

LDAP: ... LDAP is disabled in config/gitlab.yml

Checking LDAP ... Finished

Checking GitLab App ...

Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... yes
Init script exists? ... skipped (omnibus-gitlab has no init script)
Init script up-to-date? ... skipped (omnibus-gitlab has no init script)
Projects have namespace: ... 
2/5 ... yes
7/7 ... yes
2/9 ... yes
101/10 ... yes
108/11 ... yes
108/13 ... yes
108/14 ... yes
108/16 ... yes
7/31 ... yes
2212/41 ... yes
2212/42 ... yes
2212/43 ... yes
2212/44 ... yes
2212/45 ... yes
2211/46 ... yes
2211/47 ... yes
2211/48 ... yes
2211/49 ... yes
2211/50 ... yes
101/52 ... yes
101/53 ... yes
101/54 ... yes
101/55 ... yes
101/56 ... yes
101/57 ... yes
101/58 ... yes
101/59 ... yes
101/60 ... yes
101/61 ... yes
15021/63 ... yes
101/64 ... yes
101/66 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.5.3 ? ... yes (2.6.5)
Git version >= 2.22.0 ? ... yes (2.24.1)
Git user has default SSH configuration? ... yes
Active users: ... 15727
Is authorized keys file accessible? ... yes

Checking GitLab App ... Finished


Checking GitLab subtasks ... Finished

Possible fixes

https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/crypto_helper.rb#L27 No fix known, but error is triggered on this line.