From: Zihan Xi <zihanx@nebusec.ai>
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 [thread overview]
Message-ID: <cover.1790439054.git.zihanx@nebusec.ai> (raw)
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
next reply other threads:[~2026-09-27 4:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-27 4:31 Zihan Xi [this message]
2026-09-27 4:31 ` [PATCH nf v4 1/1] " Zihan Xi
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