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Fix context bug which could hang forever #960

Merged
merged 4 commits into from
Jan 26, 2024
Merged

Fix context bug which could hang forever #960

merged 4 commits into from
Jan 26, 2024

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blampe
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@blampe blampe commented Jan 26, 2024

We could hang forever if we have irregular file types present, like pipes which never close.

Here we fix the issue by only hashing regular files.

Fixes #614

@@ -898,7 +898,7 @@ func processLogLine(jm jsonmessage.JSONMessage,
info += "failed to parse aux message: " + err.Error()
}
if err := (&resp).Unmarshal(infoBytes); err != nil {
info += "failed to parse aux message: " + err.Error()
info += "failed to parse info bytes: " + err.Error()
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Lint fix.

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Does the PR have any schema changes?

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

Maintainer note: consult the runbook for dealing with any breaking changes.

// it if it's not.)
err = syscall.Mkfifo(filepath.Join(dir, "pipe"), 0o666)
require.NoError(t, err)

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@rquitales rquitales Jan 26, 2024

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nit: consider adding an assert here that the file <dir>/pipe is is not fileMode.IsRegular() to make it more obvious that we have an irregular file.

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@mjeffryes mjeffryes left a comment

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Tricky!

@blampe blampe merged commit ea3bb3e into master Jan 26, 2024
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@blampe blampe deleted the fix-hang branch January 26, 2024 20:24
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Provider hangs, errors with "use of closed network connection"
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