Re: [PATCH] af_unix: fix u->inq_len accounting in manage_oob() and unix_stream_read_skb()

[Kuniyuki Iwashima]

On Sat, Sep 19, 2026 at 3:17 PM Hui Peng <benquike@xxxxxxxxx> wrote:
>
> When an old OOB skb is replaced and discarded in manage_oob(), or when a
> fully consumed OOB skb is skipped in unix_stream_read_skb(), the
> discarded byte count is not subtracted from u->inq_len (or is subtracted
> inconsistently), causing SIOCINQ / FIONREAD to report stale positive
> byte counts on an empty AF_UNIX stream socket. Properly account
> u->inq_len when dropping or skipping consumed OOB skbs.
>
> Fixes: 314001f0bf92 ("af_unix: Add OOB support")
> Assisted-by: LLM

Please tell your LLM not to mix different fixes into one.

btw I'm tempted to remove OOB support entirely.

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pw-bot: cr