netdev - Re: [PATCH net-next 2/9] selftests: netfilter: nft

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Message-ID: <20240826192500.32efa22c@kernel.org>
Date: Mon, 26 Aug 2024 19:25:00 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: netfilter-devel@...r.kernel.org, davem@...emloft.net,
 netdev@...r.kernel.org, pabeni@...hat.com, edumazet@...gle.com,
 fw@...len.de, Antonio Ojea <aojea@...gle.com>
Subject: Re: [PATCH net-next 2/9] selftests: netfilter: nft_queue.sh: sctp
 coverage

On Fri, 23 Aug 2024 00:19:32 +0200 Pablo Neira Ayuso wrote:
> From: Antonio Ojea <aojea@...gle.com>
> 
> Test that nfqueue with and without GSO process SCTP packets correctly.
> 
> Joint work with Florian and Pablo.

This is unhappy on a debug kernel in netdev CI:

# 2024/08/26 17:38:31 socat[12451] E write(7, 0x563837a56000, 8192): Cannot send after transport endpoint shutdown
# Binary files /tmp/tmp.ZZAJtF9z9R and /tmp/tmp.hS8W1Te84V differ
# FAIL: lost packets?!

https://netdev-3.bots.linux.dev/vmksft-nf-dbg/results/745281/2-nft-queue-sh/stdout

Works fine on a non-debug kernel tho:

https://netdev-3.bots.linux.dev/vmksft-nf/results/745282/5-nft-queue-sh/stdout

so gotta be some race.

Please follow up soon, I'll disable this test case for now.