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fn: pure-runner violates io Writer contract (#981)

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We must copy the data slice.
This commit is contained in:
Tolga Ceylan
2018-05-09 08:48:55 -07:00
committed by jan grant
parent 6cabd7e8bf
commit 676c87f9a5
1 changed files with 5 additions and 1 deletions
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6
api/agent/pure_runner.go
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@@ -400,10 +400,14 @@ func (ch *callHandle) Write(data []byte) (int, error) {
return 0, err return 0, err
} }
// we cannot retain 'data'
cpData := make([]byte, len(data))
copy(cpData, data)
err = ch.enqueueMsg(&runner.RunnerMsg{ err = ch.enqueueMsg(&runner.RunnerMsg{
Body: &runner.RunnerMsg_Data{ Body: &runner.RunnerMsg_Data{
Data: &runner.DataFrame{ Data: &runner.DataFrame{
Data: data, Data: cpData,
Eof: false, Eof: false,
}, },
}, },