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pkg/instance: extend debug output on syzkaller make error

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For debugging of:
https://groups.google.com/forum/#!topic/syzkaller-bugs/2lgvlHd8t1c
This commit is contained in:
Dmitry Vyukov 2020-05-25 12:52:07 +02:00
parent 1128418284
commit 73964a9b3a
1 changed files with 7 additions and 1 deletions
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8
pkg/instance/instance.go
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@ -83,7 +83,13 @@ func (env *env) BuildSyzkaller(repo, commit string) error {
"CFLAGS=-fpermissive -w",
)
if _, err := osutil.Run(time.Hour, cmd); err != nil {
return fmt.Errorf("syzkaller build failed: %v", err)
goEnvCmd := osutil.Command("go", "env")
goEnvCmd.Dir = cfg.Syzkaller
goEnvCmd.Env = append(append([]string{}, os.Environ()...), "GOPATH="+cfg.Syzkaller[:srcIndex])
goEnvOut, goEnvErr := osutil.Run(time.Hour, goEnvCmd)
gitStatusOut, gitStatusErr := osutil.RunCmd(time.Hour, cfg.Syzkaller, "git", "status")
return fmt.Errorf("syzkaller build failed: %v\ngo env (err=%v)\n%s\ngit status (err=%v)\n%s",
err, goEnvErr, goEnvOut, gitStatusErr, gitStatusOut)
}
return nil
}