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bug: race condition from the clispinner #1265

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Pantani opened this issue Jun 20, 2021 · 3 comments · Fixed by #1288
Closed

bug: race condition from the clispinner #1265

Pantani opened this issue Jun 20, 2021 · 3 comments · Fixed by #1288
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@Pantani
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Pantani commented Jun 20, 2021

Describe the bug
One race condition from the clispinner when you try to scaffold a new application

WARNING: DATA RACE
Read at 0x00c0011ea508 by goroutine 37:
  github.com/briandowns/spinner.(*Spinner).Start.func1()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:306 +0x424

Previous write at 0x00c0011ea508 by main goroutine:
  github.com/tendermint/starport/starport/pkg/clispinner.(*Spinner).SetText()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:32 +0xb0
  github.com/tendermint/starport/starport/pkg/clispinner.New()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:26 +0x21c
  github.com/tendermint/starport/starport/cmd.appHandler()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/app.go:33 +0x30
  github.com/spf13/cobra.(*Command).execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:852 +0xbcc
  github.com/spf13/cobra.(*Command).ExecuteC()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:960 +0x768
  github.com/spf13/cobra.(*Command).Execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:897 +0x34
  github.com/spf13/cobra.(*Command).ExecuteContext()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:890 +0x88
  main.main()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/starport/main.go:40 +0x44c

Goroutine 37 (running) created at:
  github.com/briandowns/spinner.(*Spinner).Start()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:281 +0x1c8
  github.com/briandowns/spinner.(*Spinner).Restart()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:346 +0x3c
  github.com/briandowns/spinner.(*Spinner).Color()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:373 +0x2f4
  github.com/tendermint/starport/starport/pkg/clispinner.New()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:22 +0x198
  github.com/tendermint/starport/starport/cmd.appHandler()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/app.go:33 +0x30
  github.com/spf13/cobra.(*Command).execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:852 +0xbcc
  github.com/spf13/cobra.(*Command).ExecuteC()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:960 +0x768
  github.com/spf13/cobra.(*Command).Execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:897 +0x34
  github.com/spf13/cobra.(*Command).ExecuteContext()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:890 +0x88
  main.main()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/starport/main.go:40 +0x44c

To Reproduce
Steps to reproduce the behavior:

  1. Scaffolding a new application with the Golang -race parameters active

Please provide the output of commands

  • starport version
    starport version development darwin/arm64 -build date: 2021-06-20T09:29:50
    git object hash: b64d943

  • go version
    go version go1.16.5 darwin/arm64

  • uname -a
    Darwin Danilos-MacBook-Air.local 20.5.0 Darwin Kernel Version 20.5.0: Sat May 8 05:10:31 PDT 2021; root:xnu-7195.121.3~9/RELEASE_ARM64_T8101 arm64
@Pantani Pantani added the report label Jun 20, 2021
@Pantani
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Pantani commented Jun 20, 2021

another one from the clispinner :

==================
WARNING: DATA RACE
Read at 0x00c0011ea4e0 by goroutine 56:
  github.com/briandowns/spinner.(*Spinner).Start.func1()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:283 +0x4c

Previous write at 0x00c0011ea4e0 by main goroutine:
  github.com/briandowns/spinner.(*Spinner).UpdateCharSet()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:388 +0xcc
  github.com/tendermint/starport/starport/pkg/clispinner.(*Spinner).SetCharset()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:44 +0x70
  github.com/tendermint/starport/starport/pkg/clispinner.(*Spinner).Stop()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:65 +0xf8
  github.com/tendermint/starport/starport/cmd.appHandler()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/app.go:51 +0x398
  github.com/spf13/cobra.(*Command).execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:852 +0xbcc
  github.com/spf13/cobra.(*Command).ExecuteC()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:960 +0x768
  github.com/spf13/cobra.(*Command).Execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:897 +0x34
  github.com/spf13/cobra.(*Command).ExecuteContext()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:890 +0x88
  main.main()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/starport/main.go:40 +0x44c

Goroutine 56 (running) created at:
  github.com/briandowns/spinner.(*Spinner).Start()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:281 +0x1c8
  github.com/briandowns/spinner.(*Spinner).Restart()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:346 +0x3c
  github.com/briandowns/spinner.(*Spinner).Color()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/briandowns/[email protected]/spinner.go:373 +0x2f4
  github.com/tendermint/starport/starport/pkg/clispinner.(*Spinner).SetColor()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:50 +0xc8
  github.com/tendermint/starport/starport/pkg/clispinner.(*Spinner).Stop()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/pkg/clispinner/clispinner.go:63 +0x8c
  github.com/tendermint/starport/starport/cmd.appHandler()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/app.go:51 +0x398
  github.com/spf13/cobra.(*Command).execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:852 +0xbcc
  github.com/spf13/cobra.(*Command).ExecuteC()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:960 +0x768
  github.com/spf13/cobra.(*Command).Execute()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:897 +0x34
  github.com/spf13/cobra.(*Command).ExecuteContext()
      /Users/danilopantani/Desktop/Go/pkg/mod/github.com/spf13/[email protected]/command.go:890 +0x88
  main.main()
      /Users/danilopantani/Desktop/Go/src/github.com/tendermint/starport/starport/cmd/starport/main.go:40 +0x44c
==================

@faddat faddat mentioned this issue Jun 20, 2021
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@Pantani
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Pantani commented Jun 21, 2021

@faddat and @ilgooz, my suggestion is to change the current spinner. There are too many bugs related to the data race. I reported here

@ilgooz
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ilgooz commented Jun 22, 2021

@Pantani lets try using the Lock/Unlock API provided by the underlying spinner package, this should solve it. Basically we need to lock it when we set values like Prefix/Suffix, like the one here.

I think race here from the spinner is negligible but still it would be convenient to fix them.

@Pantani Pantani mentioned this issue Jun 22, 2021
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fix: solve the race condition for the clispinner
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@Pantani @ilgooz