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Message-ID: <c3921640-5a77-4ddc-a774-9fb40a110db3@kernel.org> Date: Thu, 26 Oct 2023 11:17:25 -0600 From: David Ahern <dsahern@...nel.org> To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: netdev@...r.kernel.org, eric.dumazet@...il.com, wenxu <wenxu@...oud.cn> Subject: Re: [PATCH net] inet: shrink struct flowi_common 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@...gle.com> > Cc: wenxu <wenxu@...oud.cn> > --- > include/net/flow.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: David Ahern <dsahern@...nel.org>
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