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Date:   Wed, 20 May 2020 13:46:55 -0700
From:   Jakub Kicinski <>
To:     Vadim Fedorenko <>,
        Pooja Trivedi <>
Cc:     Boris Pismenny <>,
        Aviad Yehezkel <>,
        John Fastabend <>,
        Daniel Borkmann <>,
        "David S. Miller" <>,
Subject: Re: [net v3 0/2] net/tls: fix encryption error path

On Wed, 20 May 2020 11:41:42 +0300 Vadim Fedorenko wrote:
> The problem with data stream corruption was found in KTLS
> transmit path with small socket send buffers and large 
> amount of data. bpf_exec_tx_verdict() frees open record
> on any type of error including EAGAIN, ENOMEM and ENOSPC
> while callers are able to recover this transient errors.
> Also wrong error code was returned to user space in that
> case. This patchset fixes the problems.


Acked-by: Jakub Kicinski <>

Pooja, I think Vadim's fix to check the socket error will make changes
to handling of -EAGAIN unnecessary, right? Still would be good to get
that selftest, triggering EAGAIN should be quite simple.

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