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Date: Thu, 17 Dec 2015 12:55:17 -0800
From: Kees Cook <keescook@...omium.org>
To: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Cc: David Windsor <dave@...gbits.org>
Subject: Re: [RFC PATCH v2 00/12] Add PAX_REFCOUNT overflow protection
On Thu, Dec 17, 2015 at 6:57 AM, David Windsor <dave@...gbits.org> wrote:
> NOTE: This is a v2 submission because patch 3/5 in v1 was too large to sent
> to kernel-hardening. Taking that as a sign that the patch needed to be split,
> I'm sending this version of the patchset, with the patches split more or less
> on a per-maintainer basis (except for those in drivers/).
>
> These patches are in support of the kernel self-protection effort recently
> proposed on kernel-hardening.
>
> The Linux kernel can be better protected against use-after-free exploits.
> This patch adds functionality originally found in the PaX project [1] to
> protect the kernel against integer overflows affecting kernel reference
> counters, a class of bugs that can lead to use-after-free exploits.
>
> Problems arise when reference counters get overflowed. The existence of a
> kernel path in which a reference counter is incremented more than it is
> decremented leads to an overflow bug. This buggy path can be executed until
> INT_MAX is reached, at which point further increments will cause the reference
> counter to wrap around to 0. At this point, the kernel will free the counted
> object while it still has legitimate users, creating conditions for a
> use-after-free exploit to occur.
>
>
> Patch Details
> ----------------
>
> These patches were taken from the PaX project's PAX_REFCOUNT feature. It
> applies cleanly to linux-stable/v4.2.6 [2]. I am in the process of rebasing
> these patches to linux-next, but wanted to submit them now for general
> comments, bikeshedding, etc.
>
> Most of the changes involve users of atomic_t opting out of overflow protection:
> many atomic_t users use the type not as a reference counter, but as some type
> of statistical counter (packet counters, etc.).
>
>
> Issues
> ---------
>
> * The patch is currently based on linux-stable/v4.2.6. I am in the process of
> rebasing it to linux-next and will submit a follow-up patchset soon.
>
> * PAX_REFCOUNT naming: I picked this naming scheme by default. It will likely
> need to change before going upstream.
>
> * When an overflow is detected, SIGKILL is sent to the offending process.
> This may be too drastic for an initial upstream submission. WARN_ON may be
> more appropriate until distros have some time to absorb it and report any
> unaddressed overflows.
>
> [1] https://forums.grsecurity.net/viewtopic.php?f=7&t=4173
> [2] git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
>
>
> David Windsor (12):
> x86: add PAX_REFCOUNT support
Since this feature needs per-architecture support, the CONFIG stuff
around this will likely need to use something like how
HAVE_ARCH_SECCOMP_FILTER works in arch/Kconfig, and once an
architecture supports it, they can select HAVE_ARCH_STRICT_REFCOUNT or
whatever we'd like to name this.
> percpu_ref: decrease per-CPU refcount bias
> kernel: opt out of PAX_REFCOUNT protection
> mm: opt out of PAX_REFCOUNT protection
> fs: opt out of PAX_REFCOUNT protection
> net: opt out of PAX_REFCOUNT protection
> security: opt out of PAX_REFCOUNT protection
> drivers: opt out of PAX_REFCOUNT protection (1 of 2)
> drivers: opt out of PAX_REFCOUNT protection (2 of 2)
> pax: opt out of PAX_REFCOUNT protection
While there are lot of these, I think this is correct. We want
atomic_t to be protected by default, and non-reference counters should
be explicitly named as such.
> security: add Kconfig options for PAX_REFCOUNT
As above, I think I would add the CONFIG first, and then add per-arch
support after that.
> lkdtm: add test for atomic_t underflow/overflow
Thanks for fixing my blind attempt at this test. :)
-Kees
>
> arch/x86/include/asm/atomic.h | 263 ++++++++++++++++++++--
> arch/x86/include/asm/atomic64_32.h | 100 +++++++++
> arch/x86/include/asm/atomic64_64.h | 164 +++++++++++++-
> arch/x86/include/asm/bitops.h | 6 +-
> arch/x86/include/asm/cmpxchg.h | 39 ++++
> arch/x86/include/asm/hw_irq.h | 4 +-
> arch/x86/include/asm/local.h | 106 ++++++++-
> arch/x86/include/asm/preempt.h | 2 +-
> arch/x86/include/asm/rmwcc.h | 84 +++++++-
> arch/x86/include/asm/rwsem.h | 60 +++++-
> arch/x86/kernel/apic/apic.c | 2 +-
> arch/x86/kernel/apic/io_apic.c | 4 +-
> arch/x86/kernel/cpu/mcheck/mce.c | 12 +-
> arch/x86/kernel/i8259.c | 2 +-
> arch/x86/kernel/irq.c | 8 +-
> arch/x86/kernel/kgdb.c | 6 +-
> arch/x86/kernel/pvclock.c | 8 +-
> arch/x86/kernel/tboot.c | 8 +-
> arch/x86/kernel/traps.c | 6 +
> arch/x86/lib/atomic64_386_32.S | 164 ++++++++++++++
> arch/x86/lib/atomic64_cx8_32.S | 94 +++++++-
> arch/x86/mm/mmio-mod.c | 4 +-
> drivers/acpi/apei/ghes.c | 4 +-
> drivers/ata/libata-core.c | 4 +-
> drivers/ata/libata-scsi.c | 2 +-
> drivers/ata/libata.h | 2 +-
> drivers/atm/adummy.c | 2 +-
> drivers/atm/ambassador.c | 8 +-
> drivers/atm/atmtcp.c | 14 +-
> drivers/atm/eni.c | 10 +-
> drivers/atm/firestream.c | 8 +-
> drivers/atm/fore200e.c | 14 +-
> drivers/atm/he.c | 18 +-
> drivers/atm/horizon.c | 4 +-
> drivers/atm/idt77252.c | 36 ++--
> drivers/atm/iphase.c | 34 +--
> drivers/atm/lanai.c | 12 +-
> drivers/atm/nicstar.c | 46 ++--
> drivers/atm/solos-pci.c | 4 +-
> drivers/atm/suni.c | 4 +-
> drivers/atm/uPD98402.c | 16 +-
> drivers/atm/zatm.c | 6 +-
> drivers/base/power/wakeup.c | 8 +-
> drivers/block/drbd/drbd_bitmap.c | 2 +-
> drivers/block/drbd/drbd_int.h | 8 +-
> drivers/block/drbd/drbd_main.c | 12 +-
> drivers/block/drbd/drbd_nl.c | 4 +-
> drivers/block/drbd/drbd_receiver.c | 30 +--
> drivers/block/drbd/drbd_worker.c | 8 +-
> drivers/char/ipmi/ipmi_msghandler.c | 8 +-
> drivers/char/ipmi/ipmi_si_intf.c | 8 +-
> drivers/crypto/hifn_795x.c | 4 +-
> drivers/edac/edac_device.c | 4 +-
> drivers/edac/edac_pci.c | 4 +-
> drivers/edac/edac_pci_sysfs.c | 20 +-
> drivers/firewire/core-card.c | 4 +-
> drivers/firmware/efi/cper.c | 8 +-
> drivers/gpio/gpio-vr41xx.c | 2 +-
> drivers/gpu/drm/i810/i810_drv.h | 4 +-
> drivers/gpu/drm/mga/mga_drv.h | 4 +-
> drivers/gpu/drm/mga/mga_irq.c | 8 +-
> drivers/gpu/drm/qxl/qxl_cmd.c | 12 +-
> drivers/gpu/drm/qxl/qxl_debugfs.c | 8 +-
> drivers/gpu/drm/qxl/qxl_drv.h | 8 +-
> drivers/gpu/drm/qxl/qxl_irq.c | 16 +-
> drivers/gpu/drm/r128/r128_cce.c | 2 +-
> drivers/gpu/drm/r128/r128_drv.h | 4 +-
> drivers/gpu/drm/r128/r128_irq.c | 4 +-
> drivers/gpu/drm/r128/r128_state.c | 4 +-
> drivers/gpu/drm/radeon/radeon_drv.h | 2 +-
> drivers/gpu/drm/radeon/radeon_irq.c | 6 +-
> drivers/gpu/drm/via/via_drv.h | 4 +-
> drivers/gpu/drm/via/via_irq.c | 18 +-
> drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 2 +-
> drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 6 +-
> drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 4 +-
> drivers/gpu/drm/vmwgfx/vmwgfx_marker.c | 2 +-
> drivers/hid/hid-core.c | 4 +-
> drivers/hv/channel.c | 2 +-
> drivers/hv/hv_balloon.c | 18 +-
> drivers/hv/hyperv_vmbus.h | 2 +-
> drivers/hwmon/sht15.c | 12 +-
> drivers/infiniband/core/cm.c | 32 +--
> drivers/infiniband/core/fmr_pool.c | 20 +-
> drivers/infiniband/hw/cxgb4/mem.c | 4 +-
> drivers/infiniband/hw/ipath/ipath_rc.c | 6 +-
> drivers/infiniband/hw/ipath/ipath_ruc.c | 6 +-
> drivers/infiniband/hw/mlx4/mad.c | 2 +-
> drivers/infiniband/hw/mlx4/mcg.c | 2 +-
> drivers/infiniband/hw/mlx4/mlx4_ib.h | 2 +-
> drivers/infiniband/hw/nes/nes.c | 4 +-
> drivers/infiniband/hw/nes/nes.h | 40 ++--
> drivers/infiniband/hw/nes/nes_cm.c | 62 +++---
> drivers/infiniband/hw/nes/nes_mgt.c | 8 +-
> drivers/infiniband/hw/nes/nes_nic.c | 40 ++--
> drivers/infiniband/hw/nes/nes_verbs.c | 10 +-
> drivers/input/gameport/gameport.c | 4 +-
> drivers/input/input.c | 4 +-
> drivers/input/joystick/xpad.c | 4 +-
> drivers/input/misc/ims-pcu.c | 4 +-
> drivers/input/serio/serio.c | 4 +-
> drivers/input/serio/serio_raw.c | 4 +-
> drivers/isdn/capi/capi.c | 10 +-
> drivers/md/dm-raid1.c | 18 +-
> drivers/md/dm-stripe.c | 10 +-
> drivers/md/dm.c | 16 +-
> drivers/md/md.c | 26 +--
> drivers/md/md.h | 6 +-
> drivers/md/raid1.c | 4 +-
> drivers/md/raid10.c | 16 +-
> drivers/md/raid5.c | 10 +-
> drivers/media/pci/ivtv/ivtv-driver.c | 2 +-
> drivers/media/pci/solo6x10/solo6x10-p2m.c | 2 +-
> drivers/media/pci/solo6x10/solo6x10.h | 2 +-
> drivers/media/pci/tw68/tw68-core.c | 2 +-
> drivers/media/radio/radio-maxiradio.c | 2 +-
> drivers/media/radio/radio-shark.c | 2 +-
> drivers/media/radio/radio-shark2.c | 2 +-
> drivers/media/radio/radio-si476x.c | 2 +-
> drivers/media/v4l2-core/v4l2-device.c | 4 +-
> drivers/misc/lis3lv02d/lis3lv02d.c | 8 +-
> drivers/misc/lis3lv02d/lis3lv02d.h | 2 +-
> drivers/misc/lkdtm.c | 13 ++
> drivers/misc/sgi-gru/gruhandles.c | 4 +-
> drivers/misc/sgi-gru/gruprocfs.c | 8 +-
> drivers/misc/sgi-gru/grutables.h | 158 +++++++-------
> drivers/net/hyperv/hyperv_net.h | 2 +-
> drivers/net/hyperv/rndis_filter.c | 4 +-
> drivers/net/ipvlan/ipvlan_core.c | 2 +-
> drivers/net/macvlan.c | 2 +-
> drivers/net/usb/sierra_net.c | 4 +-
> drivers/net/wireless/rt2x00/rt2x00.h | 2 +-
> drivers/net/wireless/rt2x00/rt2x00queue.c | 4 +-
> drivers/oprofile/buffer_sync.c | 8 +-
> drivers/oprofile/event_buffer.c | 2 +-
> drivers/oprofile/oprof.c | 2 +-
> drivers/oprofile/oprofile_stats.c | 10 +-
> drivers/oprofile/oprofile_stats.h | 10 +-
> drivers/oprofile/oprofilefs.c | 6 +-
> drivers/regulator/core.c | 4 +-
> drivers/scsi/fcoe/fcoe_sysfs.c | 12 +-
> drivers/scsi/hosts.c | 4 +-
> drivers/scsi/libfc/fc_exch.c | 50 ++---
> drivers/scsi/lpfc/lpfc.h | 8 +-
> drivers/scsi/lpfc/lpfc_debugfs.c | 18 +-
> drivers/scsi/lpfc/lpfc_scsi.c | 10 +-
> drivers/scsi/pmcraid.c | 20 +-
> drivers/scsi/pmcraid.h | 8 +-
> drivers/scsi/qla4xxx/ql4_def.h | 2 +-
> drivers/scsi/qla4xxx/ql4_os.c | 6 +-
> drivers/scsi/scsi_lib.c | 8 +-
> drivers/scsi/scsi_sysfs.c | 2 +-
> drivers/scsi/scsi_transport_fc.c | 6 +-
> drivers/scsi/scsi_transport_iscsi.c | 6 +-
> drivers/scsi/scsi_transport_srp.c | 6 +-
> drivers/scsi/sd.c | 2 +-
> drivers/staging/android/timed_output.c | 6 +-
> drivers/staging/octeon/ethernet-rx.c | 12 +-
> drivers/staging/octeon/ethernet.c | 8 +-
> drivers/target/sbp/sbp_target.c | 4 +-
> drivers/target/target_core_device.c | 2 +-
> drivers/target/target_core_transport.c | 2 +-
> drivers/tty/hvc/hvsi.c | 12 +-
> drivers/tty/hvc/hvsi_lib.c | 4 +-
> drivers/tty/serial/ioc4_serial.c | 6 +-
> drivers/tty/serial/msm_serial.c | 4 +-
> drivers/uio/uio.c | 12 +-
> drivers/usb/atm/usbatm.c | 24 +--
> drivers/usb/core/devices.c | 6 +-
> drivers/usb/core/hcd.c | 4 +-
> drivers/usb/core/sysfs.c | 2 +-
> drivers/usb/core/usb.c | 2 +-
> drivers/usb/host/ehci-hub.c | 4 +-
> drivers/usb/misc/appledisplay.c | 4 +-
> drivers/usb/usbip/vhci.h | 2 +-
> drivers/usb/usbip/vhci_hcd.c | 6 +-
> drivers/usb/usbip/vhci_rx.c | 2 +-
> drivers/usb/wusbcore/wa-hc.h | 4 +-
> drivers/usb/wusbcore/wa-xfer.c | 2 +-
> drivers/video/fbdev/hyperv_fb.c | 4 +-
> drivers/video/fbdev/udlfb.c | 32 +--
> fs/afs/inode.c | 4 +-
> fs/btrfs/delayed-inode.c | 6 +-
> fs/btrfs/delayed-inode.h | 4 +-
> fs/cachefiles/internal.h | 12 +-
> fs/cachefiles/namei.c | 2 +-
> fs/cachefiles/proc.c | 12 +-
> fs/ceph/super.c | 4 +-
> fs/cifs/cifs_debug.c | 12 +-
> fs/cifs/cifsfs.c | 4 +-
> fs/cifs/cifsglob.h | 54 ++---
> fs/cifs/misc.c | 4 +-
> fs/cifs/smb1ops.c | 80 +++----
> fs/cifs/smb2ops.c | 84 ++++----
> fs/coda/cache.c | 10 +-
> fs/coredump.c | 6 +-
> fs/exec.c | 24 +++
> fs/ext4/ext4.h | 20 +-
> fs/ext4/mballoc.c | 44 ++--
> fs/fscache/cookie.c | 40 ++--
> fs/fscache/internal.h | 202 ++++++++---------
> fs/fscache/object.c | 26 +--
> fs/fscache/operation.c | 38 ++--
> fs/fscache/page.c | 110 +++++-----
> fs/fscache/stats.c | 348 +++++++++++++++---------------
> fs/inode.c | 4 +-
> fs/kernfs/file.c | 12 +-
> fs/lockd/clntproc.c | 4 +-
> fs/namespace.c | 4 +-
> fs/nfs/inode.c | 6 +-
> fs/notify/notification.c | 4 +-
> fs/ocfs2/localalloc.c | 2 +-
> fs/ocfs2/ocfs2.h | 10 +-
> fs/ocfs2/suballoc.c | 12 +-
> fs/ocfs2/super.c | 20 +-
> fs/proc/meminfo.c | 2 +-
> fs/quota/netlink.c | 4 +-
> fs/reiserfs/do_balan.c | 2 +-
> fs/reiserfs/procfs.c | 2 +-
> fs/reiserfs/reiserfs.h | 4 +-
> include/asm-generic/atomic-long.h | 210 ++++++++++++++++++
> include/asm-generic/atomic64.h | 12 ++
> include/asm-generic/local.h | 13 ++
> include/linux/atmdev.h | 2 +-
> include/linux/blktrace_api.h | 2 +-
> include/linux/fscache-cache.h | 2 +-
> include/linux/genhd.h | 2 +-
> include/linux/irqdesc.h | 2 +-
> include/linux/kgdb.h | 2 +-
> include/linux/mm.h | 2 +-
> include/linux/mmzone.h | 2 +-
> include/linux/netdevice.h | 6 +-
> include/linux/oprofile.h | 4 +-
> include/linux/padata.h | 2 +-
> include/linux/perf_event.h | 8 +-
> include/linux/sched.h | 15 +-
> include/linux/slab_def.h | 8 +-
> include/linux/sonet.h | 2 +-
> include/linux/sunrpc/svc_rdma.h | 18 +-
> include/linux/types.h | 16 ++
> include/linux/uio_driver.h | 2 +-
> include/linux/usb.h | 2 +-
> include/linux/vmstat.h | 20 +-
> include/media/v4l2-device.h | 2 +-
> include/net/bonding.h | 2 +-
> include/net/caif/cfctrl.h | 4 +-
> include/net/flow.h | 2 +-
> include/net/gro_cells.h | 2 +-
> include/net/inetpeer.h | 2 +-
> include/net/ip_fib.h | 2 +-
> include/net/ip_vs.h | 4 +-
> include/net/iucv/af_iucv.h | 2 +-
> include/net/net_namespace.h | 12 +-
> include/net/netns/ipv4.h | 4 +-
> include/net/netns/ipv6.h | 4 +-
> include/net/netns/xfrm.h | 2 +-
> include/net/sock.h | 6 +-
> include/net/xfrm.h | 2 +-
> include/scsi/scsi_device.h | 6 +-
> include/target/target_core_base.h | 2 +-
> include/video/udlfb.h | 8 +-
> kernel/audit.c | 8 +-
> kernel/auditsc.c | 4 +-
> kernel/debug/debug_core.c | 16 +-
> kernel/events/core.c | 22 +-
> kernel/irq/manage.c | 2 +-
> kernel/irq/spurious.c | 2 +-
> kernel/locking/lockdep.c | 2 +-
> kernel/locking/rtmutex-tester.c | 24 +--
> kernel/padata.c | 4 +-
> kernel/profile.c | 14 +-
> kernel/rcu/rcutorture.c | 60 +++---
> kernel/rcu/tree.c | 64 +++---
> kernel/rcu/tree.h | 26 +--
> kernel/rcu/tree_plugin.h | 12 +-
> kernel/rcu/tree_trace.c | 22 +-
> kernel/sched/auto_group.c | 4 +-
> kernel/time/timer_stats.c | 10 +-
> kernel/trace/blktrace.c | 6 +-
> kernel/trace/ftrace.c | 4 +-
> kernel/trace/ring_buffer.c | 96 ++++-----
> kernel/trace/trace_clock.c | 4 +-
> kernel/trace/trace_functions_graph.c | 4 +-
> kernel/trace/trace_mmiotrace.c | 8 +-
> lib/percpu-refcount.c | 2 +-
> lib/show_mem.c | 2 +-
> mm/backing-dev.c | 4 +-
> mm/memory-failure.c | 30 +--
> mm/page_alloc.c | 6 +-
> mm/slab.c | 20 +-
> mm/sparse.c | 2 +-
> mm/swapfile.c | 12 +-
> mm/vmstat.c | 12 +-
> net/atm/atm_misc.c | 8 +-
> net/atm/proc.c | 6 +-
> net/atm/resources.c | 4 +-
> net/batman-adv/bat_iv_ogm.c | 8 +-
> net/batman-adv/fragmentation.c | 2 +-
> net/batman-adv/soft-interface.c | 6 +-
> net/batman-adv/types.h | 6 +-
> net/caif/cfctrl.c | 10 +-
> net/ceph/messenger.c | 4 +-
> net/core/datagram.c | 2 +-
> net/core/dev.c | 12 +-
> net/core/flow.c | 6 +-
> net/core/net-sysfs.c | 2 +-
> net/core/netpoll.c | 4 +-
> net/core/rtnetlink.c | 2 +-
> net/core/sock.c | 12 +-
> net/core/sock_diag.c | 6 +-
> net/ipv4/devinet.c | 4 +-
> net/ipv4/fib_frontend.c | 6 +-
> net/ipv4/fib_semantics.c | 2 +-
> net/ipv4/inet_connection_sock.c | 4 +-
> net/ipv4/inet_timewait_sock.c | 2 +-
> net/ipv4/inetpeer.c | 2 +-
> net/ipv4/ip_fragment.c | 2 +-
> net/ipv4/ping.c | 2 +-
> net/ipv4/raw.c | 4 +-
> net/ipv4/route.c | 10 +-
> net/ipv4/tcp_input.c | 2 +-
> net/ipv4/udp.c | 10 +-
> net/ipv6/addrconf.c | 6 +-
> net/ipv6/af_inet6.c | 2 +-
> net/ipv6/datagram.c | 2 +-
> net/ipv6/ip6_fib.c | 4 +-
> net/ipv6/raw.c | 6 +-
> net/ipv6/udp.c | 6 +-
> net/iucv/af_iucv.c | 4 +-
> net/key/af_key.c | 4 +-
> net/l2tp/l2tp_eth.c | 38 ++--
> net/netfilter/ipvs/ip_vs_conn.c | 6 +-
> net/netfilter/ipvs/ip_vs_core.c | 4 +-
> net/netfilter/ipvs/ip_vs_ctl.c | 10 +-
> net/netfilter/ipvs/ip_vs_sync.c | 6 +-
> net/netfilter/ipvs/ip_vs_xmit.c | 4 +-
> net/netfilter/nfnetlink_log.c | 4 +-
> net/netfilter/xt_statistic.c | 8 +-
> net/netlink/af_netlink.c | 4 +-
> net/openvswitch/vport.c | 16 +-
> net/openvswitch/vport.h | 8 +-
> net/packet/af_packet.c | 4 +-
> net/phonet/pep.c | 6 +-
> net/phonet/socket.c | 2 +-
> net/rds/cong.c | 6 +-
> net/rds/ib.h | 2 +-
> net/rds/ib_cm.c | 2 +-
> net/rds/ib_recv.c | 4 +-
> net/rds/iw.h | 2 +-
> net/rds/iw_cm.c | 2 +-
> net/rds/iw_recv.c | 4 +-
> net/rxrpc/af_rxrpc.c | 2 +-
> net/rxrpc/ar-ack.c | 14 +-
> net/rxrpc/ar-call.c | 2 +-
> net/rxrpc/ar-connection.c | 2 +-
> net/rxrpc/ar-connevent.c | 2 +-
> net/rxrpc/ar-input.c | 4 +-
> net/rxrpc/ar-internal.h | 8 +-
> net/rxrpc/ar-local.c | 2 +-
> net/rxrpc/ar-output.c | 4 +-
> net/rxrpc/ar-peer.c | 2 +-
> net/rxrpc/ar-proc.c | 4 +-
> net/rxrpc/ar-transport.c | 2 +-
> net/rxrpc/rxkad.c | 4 +-
> net/sched/sch_generic.c | 4 +-
> net/sunrpc/auth_gss/svcauth_gss.c | 4 +-
> net/sunrpc/sched.c | 4 +-
> net/sunrpc/xprtrdma/svc_rdma.c | 36 ++--
> net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 8 +-
> net/sunrpc/xprtrdma/svc_rdma_sendto.c | 2 +-
> net/sunrpc/xprtrdma/svc_rdma_transport.c | 10 +-
> net/xfrm/xfrm_policy.c | 10 +-
> net/xfrm/xfrm_state.c | 4 +-
> security/Kconfig | 72 +++++++
> security/integrity/ima/ima.h | 4 +-
> security/integrity/ima/ima_api.c | 2 +-
> security/integrity/ima/ima_fs.c | 4 +-
> security/integrity/ima/ima_queue.c | 2 +-
> security/selinux/avc.c | 6 +-
> security/selinux/include/xfrm.h | 2 +-
> sound/pci/ymfpci/ymfpci.h | 2 +-
> sound/pci/ymfpci/ymfpci_main.c | 12 +-
> virt/kvm/kvm_main.c | 8 +-
> 383 files changed, 3387 insertions(+), 2034 deletions(-)
>
> --
> 2.5.0
>
>
--
Kees Cook
Chrome OS & Brillo Security
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