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>,
Neal Cardwell <ncardwell@google.com>
Cc: Simon Horman <horms@kernel.org>,
Kuniyuki Iwashima <kuniyu@google.com>,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next 8/8] ipv4: start using dst_dev_rcu()
Date: Thu, 28 Aug 2025 16:17:29 -0600 [thread overview]
Message-ID: <eda537e3-05b5-44be-b0b4-77690040a5e4@kernel.org> (raw)
In-Reply-To: <20250828195823.3958522-9-edumazet@google.com>
On 8/28/25 1:58 PM, Eric Dumazet wrote:
> Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.
>
> Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(),
> ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().
>
> Fixes: 4a6ce2b6f2ec ("net: introduce a new function dst_dev_put()")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> ---
> net/ipv4/icmp.c | 6 +++---
> net/ipv4/ip_fragment.c | 6 ++++--
> net/ipv4/ipmr.c | 6 +++---
> net/ipv4/route.c | 4 ++--
> 4 files changed, 12 insertions(+), 10 deletions(-)
>
Reviewed-by: David Ahern <dsahern@kernel.org>
next prev parent reply other threads:[~2025-08-28 22:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-28 19:58 [PATCH net-next 0/8] net: add rcu safety to dst->dev Eric Dumazet
2025-08-28 19:58 ` [PATCH net-next 1/8] net: dst: introduce dst->dev_rcu Eric Dumazet
2025-08-28 21:53 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 2/8] ipv6: start using dst_dev_rcu() Eric Dumazet
2025-08-28 21:46 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 3/8] ipv6: use RCU in ip6_xmit() Eric Dumazet
2025-08-28 21:53 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 4/8] ipv6: use RCU in ip6_output() Eric Dumazet
2025-08-28 22:01 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 5/8] net: use dst_dev_rcu() in sk_setup_caps() Eric Dumazet
2025-08-28 22:12 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 6/8] tcp_metrics: use dst_dev_net_rcu() Eric Dumazet
2025-08-28 22:14 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 7/8] tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Eric Dumazet
2025-08-28 22:16 ` David Ahern
2025-08-28 19:58 ` [PATCH net-next 8/8] ipv4: start using dst_dev_rcu() Eric Dumazet
2025-08-28 22:17 ` David Ahern [this message]
2025-08-30 2:50 ` [PATCH net-next 0/8] net: add rcu safety to dst->dev patchwork-bot+netdevbpf
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