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Date:   Thu, 16 May 2019 01:42:53 +0200
From:   Daniel Borkmann <>
To:     John Fastabend <>,
Subject: Re: [bpf PATCH] net: tcp_bpf, correctly handle DONT_WAIT flags and
 timeo == 0

On 05/14/2019 06:42 AM, John Fastabend wrote:
> The tcp_bpf_wait_data() routine needs to check timeo != 0 before
> calling sk_wait_event() otherwise we may see unexpected stalls
> on receiver.
> Arika did all the leg work here I just formaatted, posted and ran
> a few tests.
> Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface")
> Reported-by: Arika Chen <>
> Suggested-by: Arika Chen <>
> Signed-off-by: John Fastabend <>

Applied, thanks!

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