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Message-ID: <201909240922.D5A48445@keescook>
Date: Tue, 24 Sep 2019 09:28:13 -0700
From: Kees Cook <keescook@...omium.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: pankaj.bharadiya@...il.com, andriy.shevchenko@...ux.intel.com,
Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>,
kernel-hardening@...ts.openwall.com, akpm@...ux-foundation.org,
mayhs11saini@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] Add and use sizeof_member macro to bring uniformity
Hi Linus,
Is a cleanup like this something you'd be willing to include before you
cut -rc1, or should this wait for a later time? (This is likely very
close to the final version -- I had some minor feedback, but I wanted
to figure out timing for the series and how you best wanted to handle it.)
If it helps, I can build a tree for you to pull from, if you don't want
to run the scripts?
Thanks!
-Kees
On Tue, Sep 24, 2019 at 04:28:34PM +0530, Pankaj Bharadiya wrote:
> This topic has been discussed on the kernel hardening mailing list [1]
> few months back. Thanks to Shyam for initiating work on this.
>
> Its been concluded on how the patch series should be but there was
> no further progress and this work is still pending (Pardon me if I
> missed something here).
>
> At present, we have 3 different macros which serve the same purpose
> of finding the size of a member of a structure:
> - SIZEOF_FIELD
> - FIELD_SIZEOF
> - sizeof_field
>
> To bring uniformity in entire kernel source tree, this patch series -
> - adds the new sizeof_member macro
> - does scripted replacement of above 3 macros where used with newly
> introduced sizeof_member macro
> - removes definitions of SIZEOF_FIELD, FIELD_SIZEOF, sizeof_field
>
> This series aims to fix the issue based on given comments in [1].
>
> [1] Link: https://www.openwall.com/lists/kernel-hardening/2019/07/02/2
>
> Pankaj Bharadiya (5):
> linux/kernel.h: Add sizeof_member macro
> treewide: Use sizeof_member macro
> MIPS: OCTEON: use sizeof_member macro instead of SIZEOF_FIELD
> linux/kernel.h: Remove FIELD_SIZEOF macro
> stddef.h: Remove sizeof_field macro
>
> Documentation/process/coding-style.rst | 2 +-
> .../it_IT/process/coding-style.rst | 2 +-
> .../zh_CN/process/coding-style.rst | 2 +-
> arch/arc/kernel/unwind.c | 6 +-
> arch/arm64/include/asm/processor.h | 10 +-
> .../cavium-octeon/executive/cvmx-bootmem.c | 9 +-
> arch/powerpc/net/bpf_jit32.h | 4 +-
> arch/powerpc/net/bpf_jit_comp.c | 16 +-
> arch/sparc/net/bpf_jit_comp_32.c | 8 +-
> arch/x86/kernel/fpu/xstate.c | 2 +-
> block/blk-core.c | 4 +-
> crypto/adiantum.c | 4 +-
> drivers/firmware/efi/efi.c | 2 +-
> drivers/gpu/drm/i915/gvt/scheduler.c | 2 +-
> drivers/infiniband/hw/hfi1/sdma.c | 2 +-
> drivers/infiniband/hw/hfi1/verbs.h | 4 +-
> .../ulp/opa_vnic/opa_vnic_ethtool.c | 2 +-
> drivers/input/keyboard/applespi.c | 2 +-
> drivers/md/raid5-ppl.c | 2 +-
> drivers/media/platform/omap3isp/isppreview.c | 24 +--
> drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 4 +-
> .../ethernet/cavium/liquidio/octeon_console.c | 16 +-
> .../net/ethernet/emulex/benet/be_ethtool.c | 2 +-
> .../ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +-
> .../net/ethernet/huawei/hinic/hinic_ethtool.c | 8 +-
> .../net/ethernet/intel/fm10k/fm10k_ethtool.c | 2 +-
> .../net/ethernet/intel/i40e/i40e_ethtool.c | 2 +-
> .../net/ethernet/intel/i40e/i40e_lan_hmc.c | 2 +-
> .../net/ethernet/intel/iavf/iavf_ethtool.c | 2 +-
> drivers/net/ethernet/intel/ice/ice_ethtool.c | 10 +-
> .../net/ethernet/intel/ice/ice_lan_tx_rx.h | 2 +-
> drivers/net/ethernet/intel/igb/igb_ethtool.c | 4 +-
> drivers/net/ethernet/intel/igc/igc_ethtool.c | 4 +-
> .../net/ethernet/intel/ixgb/ixgb_ethtool.c | 4 +-
> drivers/net/ethernet/intel/ixgbevf/ethtool.c | 4 +-
> drivers/net/ethernet/marvell/mv643xx_eth.c | 4 +-
> .../net/ethernet/mellanox/mlx4/en_ethtool.c | 2 +-
> .../ethernet/mellanox/mlx5/core/fpga/ipsec.c | 6 +-
> .../net/ethernet/mellanox/mlx5/core/fs_core.c | 4 +-
> .../ethernet/mellanox/mlxsw/spectrum_fid.c | 4 +-
> .../ethernet/mellanox/mlxsw/spectrum_ptp.c | 2 +-
> drivers/net/ethernet/netronome/nfp/bpf/jit.c | 10 +-
> drivers/net/ethernet/netronome/nfp/bpf/main.c | 2 +-
> .../net/ethernet/netronome/nfp/bpf/offload.c | 2 +-
> .../net/ethernet/netronome/nfp/flower/main.h | 2 +-
> .../oki-semi/pch_gbe/pch_gbe_ethtool.c | 2 +-
> drivers/net/ethernet/qlogic/qede/qede.h | 2 +-
> .../ethernet/qlogic/qlcnic/qlcnic_ethtool.c | 2 +-
> .../net/ethernet/qlogic/qlge/qlge_ethtool.c | 2 +-
> .../ethernet/samsung/sxgbe/sxgbe_ethtool.c | 2 +-
> .../ethernet/stmicro/stmmac/stmmac_ethtool.c | 4 +-
> drivers/net/ethernet/ti/cpsw_ethtool.c | 6 +-
> drivers/net/ethernet/ti/netcp_ethss.c | 32 ++--
> drivers/net/fjes/fjes_ethtool.c | 2 +-
> drivers/net/geneve.c | 2 +-
> drivers/net/hyperv/netvsc_drv.c | 2 +-
> drivers/net/usb/sierra_net.c | 2 +-
> drivers/net/usb/usbnet.c | 2 +-
> drivers/net/vxlan.c | 4 +-
> .../net/wireless/marvell/libertas/debugfs.c | 2 +-
> drivers/net/wireless/marvell/mwifiex/util.h | 4 +-
> drivers/s390/net/qeth_core_mpc.h | 10 +-
> drivers/scsi/aacraid/aachba.c | 4 +-
> drivers/scsi/be2iscsi/be_cmds.h | 2 +-
> drivers/scsi/cxgbi/libcxgbi.c | 2 +-
> drivers/scsi/smartpqi/smartpqi_init.c | 6 +-
> .../staging/media/davinci_vpfe/dm365_ipipe.c | 36 ++---
> drivers/target/iscsi/cxgbit/cxgbit_main.c | 2 +-
> drivers/usb/atm/usbatm.c | 2 +-
> drivers/usb/gadget/function/f_fs.c | 2 +-
> fs/befs/linuxvfs.c | 2 +-
> fs/ext2/super.c | 2 +-
> fs/ext4/super.c | 2 +-
> fs/freevxfs/vxfs_super.c | 2 +-
> fs/orangefs/super.c | 2 +-
> fs/ufs/super.c | 2 +-
> include/linux/filter.h | 12 +-
> include/linux/kernel.h | 12 +-
> include/linux/kvm_host.h | 2 +-
> include/linux/phy_led_triggers.h | 2 +-
> include/linux/slab.h | 2 +-
> include/linux/stddef.h | 10 +-
> include/net/garp.h | 2 +-
> include/net/ip_tunnels.h | 6 +-
> include/net/mrp.h | 2 +-
> include/net/netfilter/nf_conntrack_helper.h | 2 +-
> include/net/netfilter/nf_tables_core.h | 2 +-
> include/net/sock.h | 2 +-
> ipc/util.c | 2 +-
> kernel/bpf/cgroup.c | 2 +-
> kernel/bpf/local_storage.c | 4 +-
> kernel/fork.c | 2 +-
> kernel/signal.c | 12 +-
> kernel/utsname.c | 2 +-
> net/802/mrp.c | 6 +-
> net/batman-adv/main.c | 2 +-
> net/bpf/test_run.c | 4 +-
> net/bridge/br.c | 2 +-
> net/caif/caif_socket.c | 2 +-
> net/core/dev.c | 2 +-
> net/core/filter.c | 140 +++++++++---------
> net/core/flow_dissector.c | 10 +-
> net/core/skbuff.c | 2 +-
> net/core/xdp.c | 4 +-
> net/dccp/proto.c | 2 +-
> net/ipv4/ip_gre.c | 4 +-
> net/ipv4/ip_vti.c | 4 +-
> net/ipv4/raw.c | 2 +-
> net/ipv4/tcp.c | 2 +-
> net/ipv6/ip6_gre.c | 4 +-
> net/ipv6/raw.c | 2 +-
> net/iucv/af_iucv.c | 2 +-
> net/netfilter/nf_tables_api.c | 4 +-
> net/netfilter/nfnetlink_cthelper.c | 2 +-
> net/netfilter/nft_ct.c | 12 +-
> net/netfilter/nft_masq.c | 2 +-
> net/netfilter/nft_nat.c | 6 +-
> net/netfilter/nft_redir.c | 2 +-
> net/netfilter/nft_tproxy.c | 4 +-
> net/netfilter/xt_RATEEST.c | 2 +-
> net/netlink/af_netlink.c | 2 +-
> net/openvswitch/datapath.c | 2 +-
> net/openvswitch/flow.h | 4 +-
> net/rxrpc/af_rxrpc.c | 2 +-
> net/sched/act_ct.c | 4 +-
> net/sched/cls_flower.c | 2 +-
> net/sctp/socket.c | 4 +-
> net/unix/af_unix.c | 2 +-
> security/integrity/ima/ima_policy.c | 4 +-
> sound/soc/codecs/hdmi-codec.c | 2 +-
> virt/kvm/kvm_main.c | 2 +-
> 131 files changed, 345 insertions(+), 360 deletions(-)
>
> --
> 2.17.1
>
--
Kees Cook
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