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chore: fix 'false positive' data race detection in Id/Number default init (#867)
A step's `Id` & `Number` are potentially initialized in different goroutines on matrix evaluations; this change ensures they're initialized before execution fans out to multiple goroutines. There doesn't seem to be any functional impact of this data race for end-users.
Where `Number` was previously initialized, a runtime error was added to ensure that the behavior is the same.
`ID` data race:
```
==================
WARNING: DATA RACE
Read at 0x00c0001ff348 by goroutine 77:
code.forgejo.org/forgejo/runner/v9/act/runner.newJobExecutor()
/.../forgejo-runner/act/runner/job_executor.go:64 +0x424
code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).Executor()
/.../forgejo-runner/act/runner/run_context.go:931 +0x2c6
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.1()
/.../forgejo-runner/act/runner/runner.go:218 +0x150
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Previous write at 0x00c0001ff348 by goroutine 76:
code.forgejo.org/forgejo/runner/v9/act/runner.newJobExecutor()
/.../forgejo-runner/act/runner/job_executor.go:65 +0x4cc
code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).Executor()
/.../forgejo-runner/act/runner/run_context.go:931 +0x2c6
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.1()
/.../forgejo-runner/act/runner/runner.go:218 +0x150
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Goroutine 77 (running) created at:
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2()
/.../forgejo-runner/act/common/executor.go:105 +0x144
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Goroutine 76 (running) created at:
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2()
/.../forgejo-runner/act/common/executor.go:105 +0x144
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
==================
```
`Number` data race:
```
==================
WARNING: DATA RACE
Write at 0x00c0001ff340 by goroutine 77:
code.forgejo.org/forgejo/runner/v9/act/runner.newJobExecutor()
/.../forgejo-runner/act/runner/job_executor.go:67 +0x536
code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).Executor()
/.../forgejo-runner/act/runner/run_context.go:931 +0x2c6
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.1()
/.../forgejo-runner/act/runner/runner.go:218 +0x150
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Previous write at 0x00c0001ff340 by goroutine 76:
code.forgejo.org/forgejo/runner/v9/act/runner.newJobExecutor()
/.../forgejo-runner/act/runner/job_executor.go:67 +0x536
code.forgejo.org/forgejo/runner/v9/act/runner.(*RunContext).Executor()
/.../forgejo-runner/act/runner/run_context.go:931 +0x2c6
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.1()
/.../forgejo-runner/act/runner/runner.go:218 +0x150
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Goroutine 77 (running) created at:
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2()
/.../forgejo-runner/act/common/executor.go:105 +0x144
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
Goroutine 76 (running) created at:
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.2()
/.../forgejo-runner/act/common/executor.go:105 +0x144
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.1()
/.../forgejo-runner/act/common/executor.go:107 +0x61
code.forgejo.org/forgejo/runner/v9/act/runner.(*runnerImpl).NewPlanExecutor.func1.NewParallelExecutor.3.gowrap1()
/.../forgejo-runner/act/common/executor.go:109 +0x4f
==================
```
<!--start release-notes-assistant-->
<!--URL:https://code.forgejo.org/forgejo/runner-->
- other
- [PR](https://code.forgejo.org/forgejo/runner/pulls/867): <!--number 867 --><!--line 0 --><!--description Y2hvcmU6IGZpeCAnZmFsc2UgcG9zaXRpdmUnIGRhdGEgcmFjZSBkZXRlY3Rpb24gaW4gSWQvTnVtYmVyIGRlZmF1bHQgaW5pdA==-->chore: fix 'false positive' data race detection in Id/Number default init<!--description-->
<!--end release-notes-assistant-->
Reviewed-on: https://code.forgejo.org/forgejo/runner/pulls/867
Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net>
Co-committed-by: Mathieu Fenniak <mathieu@fenniak.net>
This commit is contained in:
Mathieu Fenniak
earl-warren
parent
91e7940947
commit
ce6502e7b6
5 changed files with 51 additions and 19 deletions
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@ -57,14 +57,10 @@ func newJobExecutor(info jobInfo, sf stepFactory, rc *RunContext) common.Executo
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for i, stepModel := range infoSteps {
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if stepModel == nil {
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return func(ctx context.Context) error {
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return fmt.Errorf("invalid Step %v: missing run or uses key", i)
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}
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return common.NewErrorExecutor(fmt.Errorf("invalid Step %v: missing run or uses key", i))
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} else if stepModel.Number != i {
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return common.NewErrorExecutor(fmt.Errorf("internal error: invalid Step: Number expected %v, was actually %v", i, stepModel.Number))
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}
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if stepModel.ID == "" {
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stepModel.ID = fmt.Sprintf("%d", i)
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}
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stepModel.Number = i
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step, err := sf.newStep(stepModel, rc)
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if err != nil {
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