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@Kuinox Kuinox commented Dec 3, 2021

Fixes #62167.
It took me way too much time to pinpoint where this issue came from ^^'.

@ghost ghost added area-System.IO.Pipelines community-contribution Indicates that the PR has been added by a community member labels Dec 3, 2021
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Great find!

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halter73 commented Dec 3, 2021

While this is an unusual writing pattern, it is valid. You can get corrupted data without this fix. We should service this.

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thanks @Kuinox !

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Kuinox commented Dec 3, 2021

While this is an unusual writing pattern

I use this pattern to write an user provided buffer.
In the first part, I write the small packet header, then I call WriteAsync to write the user data.

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Old bug it seems!

@BrennanConroy BrennanConroy merged commit e4faf19 into dotnet:main Dec 3, 2021
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Thanks a lot @Kuinox!

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/backport to release/6.0

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github-actions bot commented Dec 3, 2021

Started backporting to release/6.0: https://github.com/dotnet/runtime/actions/runs/1536724263

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/backport to release/5.0

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github-actions bot commented Dec 3, 2021

Started backporting to release/5.0: https://github.com/dotnet/runtime/actions/runs/1536755422

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Kuinox commented Dec 4, 2021

Thanks everyone !

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Thank you!

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Calling Pipe.Writer.WriteAsync after Pipe.Writer.Advance flush truncated data to the PipeReader.

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