runner/act
Mathieu Fenniak fa42b8394e
chore: fix data race in reusable workflows with inherited secrets (#875)
Data race detection identified that `getWorkflowSecrets` is mutating `rc.caller.runContext.Config.Secrets` while interpolating values, in the case where secrets are inherited by a reusable workflow. This map is also mutated earlier in evaluation by `(*RunContext).handleCredentials`.  It's possible that multiple goroutines performing mutation to this shared map could cause runtime panics (not observed).

The issue is addressed creating a separate map to store interpolated secrets in `getWorkflowSecrets`, which was already the behavior in the non-inherited secret case.

Automated testing for this issue will be provided by #861 when all data races are resolved.

```
==================
WARNING: DATA RACE
Read at 0x00c0003a9620 by goroutine 2546:
  runtime.mapaccess1_faststr()
      /home/mfenniak/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.24.6.linux-amd64/src/internal/runtime/maps/runtime_faststr_swiss.go:103 +0x0
  code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).handleCredentials()
      /.../forgejo-runner/act/runner/run_context.go:1395 +0xab
  code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).prepareJobContainer()
      /.../forgejo-runner/act/runner/run_context.go:460 +0x2de
  code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).startContainer.func1.(*RunContext).startJobContainer.2()
      /.../forgejo-runner/act/runner/run_context.go:610 +0x5e
  code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).startContainer.func1()
      /.../forgejo-runner/act/runner/run_context.go:853 +0xf3
  code.forgejo.org/forgejo/runner/v9/act/runner.newJobExecutor.NewPipelineExecutor.Executor.Then.func22()
      /.../forgejo-runner/act/common/executor.go:136 +0x57
...snip...

Previous write at 0x00c0003a9620 by goroutine 2440:
  runtime.mapassign_faststr()
      /home/mfenniak/go/pkg/mod/golang.org/toolchain@v0.0.1-go1.24.6.linux-amd64/src/internal/runtime/maps/runtime_faststr_swiss.go:263 +0x0
  code.forgejo.org/forgejo/runner/v9/act/runner.getWorkflowSecrets()
      /.../forgejo-runner/act/runner/expression.go:578 +0x547
  code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).NewExpressionEvaluatorWithEnv()
      /.../forgejo-runner/act/runner/expression.go:85 +0x3fc
  code.forgejo.org/forgejo/runner/v9/act/common/git.FindGitRevision()
      /.../forgejo-runner/act/common/git/git.go:70 +0xe4
  github.com/go-git/go-git/v5.PlainOpenWithOptions()
      /home/mfenniak/go/pkg/mod/github.com/go-git/go-git/v5@v5.16.2/repository.go:332 +0x7a6
  code.forgejo.org/forgejo/runner/v9/act/common/git.FindGitRevision()
      /.../forgejo-runner/act/common/git/git.go:58 +0xc4
...snip...
==================
```

Reviewed-on: https://code.forgejo.org/forgejo/runner/pulls/875
Reviewed-by: earl-warren <earl-warren@noreply.code.forgejo.org>
Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net>
Co-committed-by: Mathieu Fenniak <mathieu@fenniak.net>
2025-08-20 13:34:57 +00:00
..
artifactcache fix: artifact cache DB not using indexes for searching (#878) 2025-08-19 20:19:23 +00:00
cacheproxy chore: modernize code (#857) 2025-08-15 04:54:13 +00:00
common test: fix data race in TestNewParallelExecutor... tests (#860) 2025-08-15 09:12:32 +00:00
container fix: fixes the build on FreeBSD (#882) 2025-08-18 06:01:33 +00:00
exprparser chore: modernize code (#857) 2025-08-15 04:54:13 +00:00
filecollector chore: modernize code (#857) 2025-08-15 04:54:13 +00:00
jobparser fix: RunsOn in jobparser is not used by the runner but it is used by Forgejo [skip cascade] (#884) 2025-08-18 12:16:44 +00:00
lookpath chore: use the same .golangci.yml as the runner & gofumpt over gofmt (#206) 2025-07-28 12:26:41 +00:00
model fix: data race in 'runs-on' expressions causes incorrect job labels during execution (#871) 2025-08-16 20:44:40 +00:00
runner chore: fix data race in reusable workflows with inherited secrets (#875) 2025-08-20 13:34:57 +00:00
schema chore: modernize code (#857) 2025-08-15 04:54:13 +00:00
workflowpattern chore: modernize code (#857) 2025-08-15 04:54:13 +00:00