From: Guillaume Nault <gnault@redhat.com>
To: David Miller <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
Florian Westphal <fw@strlen.de>,
Pablo Neira Ayuso <pablo@netfilter.org>,
Jozsef Kadlecsik <kadlec@netfilter.org>
Subject: [PATCH net 0/2] ipv4: Ensure ECN bits don't influence source address validation
Date: Sat, 16 Jan 2021 11:44:18 +0100 [thread overview]
Message-ID: <cover.1610790904.git.gnault@redhat.com> (raw)
Functions that end up calling fib_table_lookup() should clear the ECN
bits from the TOS, otherwise ECT(0) and ECT(1) packets can be treated
differently.
Most functions already clear the ECN bits, but there are a few cases
where this is not done. This series only fixes the ones related to
source address validation.
Guillaume Nault (2):
udp: mask TOS bits in udp_v4_early_demux()
netfilter: rpfilter: mask ecn bits before fib lookup
net/ipv4/netfilter/ipt_rpfilter.c | 2 +-
net/ipv4/udp.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
--
2.21.3
next reply other threads:[~2021-01-16 10:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-16 10:44 Guillaume Nault [this message]
2021-01-16 10:44 ` [PATCH net 1/2] udp: mask TOS bits in udp_v4_early_demux() Guillaume Nault
2021-01-16 10:44 ` [PATCH net 2/2] netfilter: rpfilter: mask ecn bits before fib lookup Guillaume Nault
2021-01-19 22:30 ` [PATCH net 0/2] ipv4: Ensure ECN bits don't influence source address validation patchwork-bot+netdevbpf
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