Re: [PATCH net] tls: skip empty data records in tls_sw_splice_read()

[Qingfang Deng]

On 2026/9/30 17:13, Sabrina Dubroca wrote:
> 2026-09-30, 13:26:36 +0800, Qingfang Deng wrote:
> > tls_sw_splice_read() returns 0 after receiving an empty application
> > record. This looks like EOF for splice(), even though the connection
> > remains open and more data may be available.
> >
> > Consume empty application records and retry the receive path instead,
> > following the approach used in tls_sw_read_sock() since commit
> > 3be28e2c9cd0 ("net/tls: Consume empty data records in tls_sw_read_sock()").
> This is similar to what Chuck proposed in July:
> https://lore.kernel.org/all/20260726-tls-follow-on-v1-2-99bf4cc1c729@xxxxxxxxxx
>
> but Chuck's patch had some extra bits (handling of the "released" flag
> and of signal_pending).
>
> His series also had a selftest which should be included too
> https://lore.kernel.org/all/20260726-tls-follow-on-v1-6-99bf4cc1c729@xxxxxxxxxx/

Thanks for the information. I prefer his series.


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