netdev - Re: [PATCH net] selftests: net: validate team flags propagation

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Message-ID: <20250516073556.5983d1d0@kernel.org>
Date: Fri, 16 May 2025 07:35:56 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Stanislav Fomichev <stfomichev@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, andrew+netdev@...n.ch, horms@...nel.org,
 jiri@...nulli.us, shuah@...nel.org, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net] selftests: net: validate team flags propagation

On Thu, 15 May 2025 16:13:32 -0700 Stanislav Fomichev wrote:
> Cover three recent cases:
> 1. missing ops locking for the lowers during netdev_sync_lower_features
> 2. missing locking for dev_set_promiscuity (plus netdev_ops_assert_locked
>    with a comment on why/when it's needed)
> 3. rcu lock during team_change_rx_flags
> 
> Verified that each one triggers when the respective fix is reverted.
> Not sure about the placement, but since it all relies on teaming,
> added to the teaming directory.
> 
> One ugly bit is that I add NETIF_F_LRO to netdevsim; there is no way
> to trigger netdev_sync_lower_features without it.

Seems to consistently fail in NIPA :(
-- 
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