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From: David Ahern <dsahern@kernel.org>
To: Eric Dumazet <edumazet@google.com>,
	"David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, wenxu <wenxu@ucloud.cn>
Subject: Re: [PATCH net] inet: shrink struct flowi_common
Date: Thu, 26 Oct 2023 11:17:25 -0600	[thread overview]
Message-ID: <c3921640-5a77-4ddc-a774-9fb40a110db3@kernel.org> (raw)
In-Reply-To: <20231025141037.3448203-1-edumazet@google.com>

On 10/25/23 8:10 AM, Eric Dumazet wrote:
> I am looking at syzbot reports triggering kernel stack overflows
> involving a cascade of ipvlan devices.
> 
> We can save 8 bytes in struct flowi_common.
> 
> This patch alone will not fix the issue, but is a start.
> 
> Fixes: 24ba14406c5c ("route: Add multipath_hash in flowi_common to make user-define hash")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: wenxu <wenxu@ucloud.cn>
> ---
>  include/net/flow.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: David Ahern <dsahern@kernel.org>


  reply	other threads:[~2023-10-26 17:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-25 14:10 [PATCH net] inet: shrink struct flowi_common Eric Dumazet
2023-10-26 17:17 ` David Ahern [this message]
2023-11-02  9:40 ` patchwork-bot+netdevbpf

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