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[46.138.187.224]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3a60767aa6asm6220941fa.40.2026.09.19.06.43.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Sep 2026 06:43:47 -0700 (PDT) From: Artem Lytkin To: netdev@vger.kernel.org Cc: bridge@lists.linux.dev, razor@blackwall.org, idosch@nvidia.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, andrew+netdev@lunn.ch, kuniyu@google.com, michael.chan@broadcom.com, pavan.chebbi@broadcom.com, ajit.khaparde@broadcom.com, sriharsha.basavapatna@broadcom.com, anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, intel-wired-lan@lists.osuosl.org, saeedm@nvidia.com, tariqt@nvidia.com, mbloch@nvidia.com, oss-drivers@corigine.com, wintera@linux.ibm.com, aswin@linux.ibm.com, linux-s390@vger.kernel.org Subject: [PATCH net-next v3 0/2] bridge: report an oversized IFLA_AF_SPEC nest instead of truncating Date: Sat, 19 Sep 2026 16:43:31 +0300 Message-ID: <20260919134333.49379-1-iprintercanon@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Patch 1 adds extack to ndo_bridge_getlink(), patch 2 returns -E2BIG when the AF_SPEC nest, or the MST/CFM nest inside it, overflows nla_len. v3: handle the MST and CFM nests too, use nla_nest_end_safe() (Nikolay) v2: https://lore.kernel.org/netdev/20260912135022.1701-1-iprintercanon@gmail.com/ v1: https://lore.kernel.org/netdev/20260906224246.21719-1-iprintercanon@gmail.com/ Artem Lytkin (2): rtnetlink: pass extack to ndo_bridge_getlink() net: bridge: fail link info that does not fit in a netlink attribute drivers/net/ethernet/broadcom/bnxt/bnxt.c | 4 +-- drivers/net/ethernet/emulex/benet/be_main.c | 4 +-- drivers/net/ethernet/intel/i40e/i40e_main.c | 6 ++-- drivers/net/ethernet/intel/ice/ice_main.c | 6 ++-- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 5 ++-- .../net/ethernet/mellanox/mlx5/core/en_main.c | 4 +-- .../ethernet/netronome/nfp/nfp_net_common.c | 4 +-- drivers/s390/net/qeth_l2_main.c | 4 +-- include/linux/netdevice.h | 5 ++-- include/linux/rtnetlink.h | 3 +- net/bridge/br_netlink.c | 28 +++++++++++++------ net/bridge/br_private.h | 2 +- net/core/rtnetlink.c | 18 +++++++----- 13 files changed, 57 insertions(+), 36 deletions(-) base-commit: e3bfd25626b44b6fa61a13c17178922171d519ce -- 2.43.0