Re: [RFC net-next] selftests: af_unix: test zero-length MSG_PEEK with OOB data

From: Kuniyuki Iwashima

Date: Thu Oct 08 2026 - 02:28:29 EST


On Wed, Oct 7, 2026 at 10:51 PM Sahaj Chaudhari <sahaj123.sc@xxxxxxxxx> wrote:
>
> A zero-length MSG_PEEK on an AF_UNIX stream socket can busy-loop when
> an OOB skb is queued. Add a regression test that sends MSG_OOB and
> checks that recv(..., 0, MSG_PEEK) returns promptly in a child process.

This is covered in msg_oob.c.

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pw-bot: rejected