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([122.51.212.64]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a0e05d674dsm2795629a91.4.2026.09.26.21.31.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Sep 2026 21:32:02 -0700 (PDT) From: Zihan Xi To: netfilter-devel@vger.kernel.org Cc: coreteam@netfilter.org, pablo@netfilter.org, fw@strlen.de, phil@nwl.cc, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, zihanx@nebusec.ai Subject: [PATCH nf v4 0/1] netfilter: x_tables: avoid holding mutex over faultable user copies Date: Sun, 27 Sep 2026 04:31:38 +0000 Message-ID: X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Linux kernel maintainers, This patch keeps faultable user-page accesses outside the per-family mutexes in the legacy IPv4, IPv6 and ARP x_tables GET_INFO/GET_ENTRIES paths. v3 Link: https://lore.kernel.org/all/cover.1789885804.git.zihanx@nebusec.ai/ Zihan Xi (1): netfilter: x_tables: avoid holding mutex over faultable user copies net/ipv4/netfilter/arp_tables.c | 49 ++++++++++++++++--- net/ipv4/netfilter/ip_tables.c | 87 +++++++++++++++++++++++++++++---- net/ipv6/netfilter/ip6_tables.c | 87 +++++++++++++++++++++++++++++---- 3 files changed, 197 insertions(+), 26 deletions(-) -- 2.43.0