Auto commit, 1 new patch{es}.

[thirdparty/grsecurity-scrape.git] / test / changelog-test.txt

commit 24ce7d83ff71aa7102231f41c41aaf44f949751a
Author: David Gstir <david@sigma-star.at>
Date:   Sun Nov 15 17:14:41 2015 +0100

    crypto: nx - Fix timing leak in GCM and CCM decryption
    
    Using non-constant time memcmp() makes the verification of the authentication
    tag in the decrypt path vulnerable to timing attacks. Fix this by using
    crypto_memneq() instead.
    
    Cc: stable@vger.kernel.org
    Signed-off-by: David Gstir <david@sigma-star.at>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

 drivers/crypto/nx/nx-aes-ccm.c |    2 +-
 drivers/crypto/nx/nx-aes-gcm.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

commit 5c001f6d281406b32d79cf9b7851413adb658641
Author: David Gstir <david@sigma-star.at>
Date:   Sun Nov 15 17:14:42 2015 +0100

    crypto: talitos - Fix timing leak in ESP ICV verification
    
    Using non-constant time memcmp() makes the verification of the authentication
    tag in the decrypt path vulnerable to timing attacks. Fix this by using
    crypto_memneq() instead.
    
    Cc: stable@vger.kernel.org
    Signed-off-by: David Gstir <david@sigma-star.at>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
    
    Conflicts:
    
    	drivers/crypto/talitos.c

 drivers/crypto/talitos.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit 66e9fe2d958fcdce01c6dadf415864e8cdeb06cb
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Dec 4 23:40:00 2015 -0500

    Fix a size_overflow report caused by __get_user not fully initializing a register when
    reading in less than a register-width from userland, reported by peetaur at:
    https://forums.grsecurity.net/viewtopic.php?f=3&t=4332
    Fix is from the PaX Team

 arch/x86/include/asm/uaccess.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 8599b6467ba41cf3d4e9a96495b5d71d44e74f6c
Author: Eric Dumazet <edumazet@google.com>
Date:   Thu Nov 26 08:18:14 2015 -0800

    tcp: initialize tp->copied_seq in case of cross SYN connection
    
    Dmitry provided a syzkaller (http://github.com/google/syzkaller)
    generated program that triggers the WARNING at
    net/ipv4/tcp.c:1729 in tcp_recvmsg() :
    
    WARN_ON(tp->copied_seq != tp->rcv_nxt &&
            !(flags & (MSG_PEEK | MSG_TRUNC)));
    
    His program is specifically attempting a Cross SYN TCP exchange,
    that we support (for the pleasure of hackers ?), but it looks we
    lack proper tcp->copied_seq initialization.
    
    Thanks again Dmitry for your report and testings.
    
    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Tested-by: Dmitry Vyukov <dvyukov@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/ipv4/tcp_input.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 73c0ec9194319dc262011dbe7196c55cb450f29a
Author: Guillaume Nault <g.nault@alphalink.fr>
Date:   Thu Dec 3 16:49:32 2015 +0100

    pppoe: fix memory corruption in padt work structure
    
    pppoe_connect() mustn't touch the padt_work field of pppoe sockets
    because that work could be already pending.
    
    [   21.473147] BUG: unable to handle kernel NULL pointer dereference at 00000004
    [   21.474523] IP: [<c1043177>] process_one_work+0x29/0x31c
    [   21.475164] *pde = 00000000
    [   21.475513] Oops: 0000 [#1] SMP
    [   21.475910] Modules linked in: pppoe pppox ppp_generic slhc crc32c_intel aesni_intel virtio_net xts aes_i586 lrw gf128mul ablk_helper cryptd evdev acpi_cpufreq processor serio_raw button ext4 crc16 mbcache jbd2 virtio_blk virtio_pci virtio_ring virtio
    [   21.476168] CPU: 2 PID: 164 Comm: kworker/2:2 Not tainted 4.4.0-rc1 #1
    [   21.476168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
    [   21.476168] task: f5f83c00 ti: f5e28000 task.ti: f5e28000
    [   21.476168] EIP: 0060:[<c1043177>] EFLAGS: 00010046 CPU: 2
    [   21.476168] EIP is at process_one_work+0x29/0x31c
    [   21.484082] EAX: 00000000 EBX: f678b2a0 ECX: 00000004 EDX: 00000000
    [   21.484082] ESI: f6c69940 EDI: f5e29ef0 EBP: f5e29f0c ESP: f5e29edc
    [   21.484082]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    [   21.484082] CR0: 80050033 CR2: 000000a4 CR3: 317ad000 CR4: 00040690
    [   21.484082] Stack:
    [   21.484082]  00000000 f6c69950 00000000 f6c69940 c0042338 f5e29f0c c1327945 00000000
    [   21.484082]  00000008 f678b2a0 f6c69940 f678b2b8 f5e29f30 c1043984 f5f83c00 f6c69970
    [   21.484082]  f678b2a0 c10437d3 f6775e80 f678b2a0 c10437d3 f5e29fac c1047059 f5e29f74
    [   21.484082] Call Trace:
    [   21.484082]  [<c1327945>] ? _raw_spin_lock_irq+0x28/0x30
    [   21.484082]  [<c1043984>] worker_thread+0x1b1/0x244
    [   21.484082]  [<c10437d3>] ? rescuer_thread+0x229/0x229
    [   21.484082]  [<c10437d3>] ? rescuer_thread+0x229/0x229
    [   21.484082]  [<c1047059>] kthread+0x8f/0x94
    [   21.484082]  [<c1327a32>] ? _raw_spin_unlock_irq+0x22/0x26
    [   21.484082]  [<c1327ee9>] ret_from_kernel_thread+0x21/0x38
    [   21.484082]  [<c1046fca>] ? kthread_parkme+0x19/0x19
    [   21.496082] Code: 5d c3 55 89 e5 57 56 53 89 c3 83 ec 24 89 d0 89 55 e0 8d 7d e4 e8 6c d8 ff ff b9 04 00 00 00 89 45 d8 8b 43 24 89 45 dc 8b 45 d8 <8b> 40 04 8b 80 e0 00 00 00 c1 e8 05 24 01 88 45 d7 8b 45 e0 8d
    [   21.496082] EIP: [<c1043177>] process_one_work+0x29/0x31c SS:ESP 0068:f5e29edc
    [   21.496082] CR2: 0000000000000004
    [   21.496082] ---[ end trace e362cc9cf10dae89 ]---
    
    Reported-by: Andrew <nitr0@seti.kr.ua>
    Fixes: 287f3a943fef ("pppoe: Use workqueue to die properly when a PADT is received")
    Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 drivers/net/ppp/pppoe.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

commit 909cb25969d65dbdd08c69486c72cb09cf30131a
Merge: 2fd6be6 b27a8b0
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Dec 4 19:40:10 2015 -0500

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	Makefile

commit b27a8b0f99304f0bc3ea3a8e55f04f6bb57bbe8f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Dec 4 19:38:31 2015 -0500

    Update to pax-linux-4.2.6-test26.patch:
    - fixed integer truncation check in md introduced by upstream commits 284ae7cab0f7335c9e0aa8992b28415ef1a54c7c and 58c0fed400603a802968b23ddf78f029c5a84e41, reported by BeiKed9o (https://forums.grsecurity.net/viewtopic.php?f=3&t=4328)
    - gcc plugin compilation problems will now also produce the output of the checking script to make diagnosis easier, reported by hunger
    - Emese fixed a false positive size overflow report in __vhost_add_used_n, reported by quasar366 (https://forums.grsecurity.net/viewtopic.php?f=3&t=4329)
    - fixed a potential integer truncation error in the raid1 code caught by the size overflow plugin, reported by d1b (https://forums.grsecurity.net/viewtopic.php?f=3&t=4331)

 Makefile                                           |    5 +++
 drivers/md/md.c                                    |    5 ++-
 drivers/md/raid1.c                                 |    2 +-
 fs/proc/task_mmu.c                                 |    3 ++
 .../disable_size_overflow_hash.data                |    4 ++-
 .../size_overflow_plugin/intentional_overflow.c    |   32 ++++++++++++++++---
 .../size_overflow_plugin/size_overflow_hash.data   |    2 -
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 8 files changed, 43 insertions(+), 12 deletions(-)

commit 2fd6be640143ad13633518208bb1ba5730bf4949
Author: Eric Dumazet <edumazet@google.com>
Date:   Tue Dec 1 20:08:51 2015 -0800

    net_sched: fix qdisc_tree_decrease_qlen() races
    
    qdisc_tree_decrease_qlen() suffers from two problems on multiqueue
    devices.
    
    One problem is that it updates sch->q.qlen and sch->qstats.drops
    on the mq/mqprio root qdisc, while it should not : Daniele
    reported underflows errors :
    [  681.774821] PAX: sch->q.qlen: 0 n: 1
    [  681.774825] PAX: size overflow detected in function qdisc_tree_decrease_qlen net/sched/sch_api.c:769 cicus.693_49 min, count: 72, decl: qlen; num: 0; context: sk_buff_head;
    [  681.774954] CPU: 2 PID: 19 Comm: ksoftirqd/2 Tainted: G           O    4.2.6.201511282239-1-grsec #1
    [  681.774955] Hardware name: ASUSTeK COMPUTER INC. X302LJ/X302LJ, BIOS X302LJ.202 03/05/2015
    [  681.774956]  ffffffffa9a04863 0000000000000000 0000000000000000 ffffffffa990ff7c
    [  681.774959]  ffffc90000d3bc38 ffffffffa95d2810 0000000000000007 ffffffffa991002b
    [  681.774960]  ffffc90000d3bc68 ffffffffa91a44f4 0000000000000001 0000000000000001
    [  681.774962] Call Trace:
    [  681.774967]  [<ffffffffa95d2810>] dump_stack+0x4c/0x7f
    [  681.774970]  [<ffffffffa91a44f4>] report_size_overflow+0x34/0x50
    [  681.774972]  [<ffffffffa94d17e2>] qdisc_tree_decrease_qlen+0x152/0x160
    [  681.774976]  [<ffffffffc02694b1>] fq_codel_dequeue+0x7b1/0x820 [sch_fq_codel]
    [  681.774978]  [<ffffffffc02680a0>] ? qdisc_peek_dequeued+0xa0/0xa0 [sch_fq_codel]
    [  681.774980]  [<ffffffffa94cd92d>] __qdisc_run+0x4d/0x1d0
    [  681.774983]  [<ffffffffa949b2b2>] net_tx_action+0xc2/0x160
    [  681.774985]  [<ffffffffa90664c1>] __do_softirq+0xf1/0x200
    [  681.774987]  [<ffffffffa90665ee>] run_ksoftirqd+0x1e/0x30
    [  681.774989]  [<ffffffffa90896b0>] smpboot_thread_fn+0x150/0x260
    [  681.774991]  [<ffffffffa9089560>] ? sort_range+0x40/0x40
    [  681.774992]  [<ffffffffa9085fe4>] kthread+0xe4/0x100
    [  681.774994]  [<ffffffffa9085f00>] ? kthread_worker_fn+0x170/0x170
    [  681.774995]  [<ffffffffa95d8d1e>] ret_from_fork+0x3e/0x70
    
    mq/mqprio have their own ways to report qlen/drops by folding stats on
    all their queues, with appropriate locking.
    
    A second problem is that qdisc_tree_decrease_qlen() calls qdisc_lookup()
    without proper locking : concurrent qdisc updates could corrupt the list
    that qdisc_match_from_root() parses to find a qdisc given its handle.
    
    Fix first problem adding a TCQ_F_NOPARENT qdisc flag that
    qdisc_tree_decrease_qlen() can use to abort its tree traversal,
    as soon as it meets a mq/mqprio qdisc children.
    
    Second problem can be fixed by RCU protection.
    Qdisc are already freed after RCU grace period, so qdisc_list_add() and
    qdisc_list_del() simply have to use appropriate rcu list variants.
    
    A future patch will add a per struct netdev_queue list anchor, so that
    qdisc_tree_decrease_qlen() can have more efficient lookups.
    
    Reported-by: Daniele Fucini <dfucini@gmail.com>
    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Cc: Cong Wang <cwang@twopensource.com>
    Cc: Jamal Hadi Salim <jhs@mojatatu.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    
    Conflicts:
    
    	net/sched/sch_generic.c

 include/net/sch_generic.h |    3 +++
 net/sched/sch_api.c       |   27 ++++++++++++++++++---------
 net/sched/sch_generic.c   |    2 +-
 net/sched/sch_mq.c        |    4 ++--
 net/sched/sch_mqprio.c    |    4 ++--
 5 files changed, 26 insertions(+), 14 deletions(-)

commit 47e3db55fb66525b7a769de3e2275b5d75a03f39
Author: Eric Dumazet <edumazet@google.com>
Date:   Tue Dec 1 07:20:07 2015 -0800

    ipv6: sctp: implement sctp_v6_destroy_sock()
    
    Dmitry Vyukov reported a memory leak using IPV6 SCTP sockets.
    
    We need to call inet6_destroy_sock() to properly release
    inet6 specific fields.
    
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Acked-by: Daniel Borkmann <daniel@iogearbox.net>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/sctp/socket.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

commit c97f798d6e4fb454a7bfbb39fc073c8f538863c9
Author: Jan Engelhardt <jengelh@inai.de>
Date:   Mon Nov 23 17:46:32 2015 +0100

    target: fix COMPARE_AND_WRITE non zero SGL offset data corruption
    
    target_core_sbc's compare_and_write functionality suffers from taking
    data at the wrong memory location when writing a CAW request to disk
    when a SGL offset is non-zero.
    
    This can happen with loopback and vhost-scsi fabric drivers when
    SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is used to map existing user-space
    SGL memory into COMPARE_AND_WRITE READ/WRITE payload buffers.
    
    Given the following sample LIO subtopology,
    
    % targetcli ls /loopback/
    o- loopback ................................. [1 Target]
      o- naa.6001405ebb8df14a ....... [naa.60014059143ed2b3]
        o- luns ................................... [2 LUNs]
          o- lun0 ................ [iblock/ram0 (/dev/ram0)]
          o- lun1 ................ [iblock/ram1 (/dev/ram1)]
    % lsscsi -g
    [3:0:1:0]    disk    LIO-ORG  IBLOCK           4.0   /dev/sdc   /dev/sg3
    [3:0:1:1]    disk    LIO-ORG  IBLOCK           4.0   /dev/sdd   /dev/sg4
    
    the following bug can be observed in Linux 4.3 and 4.4~rc1:
    
    % perl -e 'print chr$_ for 0..255,reverse 0..255' >rand
    % perl -e 'print "\0" x 512' >zero
    % cat rand >/dev/sdd
    % sg_compare_and_write -i rand -D zero --lba 0 /dev/sdd
    % sg_compare_and_write -i zero -D rand --lba 0 /dev/sdd
    Miscompare reported
    % hexdump -Cn 512 /dev/sdd
    00000000  0f 0e 0d 0c 0b 0a 09 08  07 06 05 04 03 02 01 00
    00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
    *
    00000200
    
    Rather than writing all-zeroes as instructed with the -D file, it
    corrupts the data in the sector by splicing some of the original
    bytes in. The page of the first entry of cmd->t_data_sg includes the
    CDB, and sg->offset is set to a position past the CDB. I presume that
    sg->offset is also the right choice to use for subsequent sglist
    members.
    
    Signed-off-by: Jan Engelhardt <jengelh@netitwork.de>
    Tested-by: Douglas Gilbert <dgilbert@interlog.com>
    Cc: <stable@vger.kernel.org> # v3.12+
    Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

 drivers/target/target_core_sbc.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit 43aa1ca4268298d8f65be2411d627573f33afb3e
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date:   Thu Nov 5 23:37:59 2015 -0800

    target: Fix race for SCF_COMPARE_AND_WRITE_POST checking
    
    This patch addresses a race + use after free where the first
    stage of COMPARE_AND_WRITE in compare_and_write_callback()
    is rescheduled after the backend sends the secondary WRITE,
    resulting in second stage compare_and_write_post() callback
    completing in target_complete_ok_work() before the first
    can return.
    
    Because current code depends on checking se_cmd->se_cmd_flags
    after return from se_cmd->transport_complete_callback(),
    this results in first stage having SCF_COMPARE_AND_WRITE_POST
    set, which incorrectly falls through into second stage CAW
    processing code, eventually triggering a NULL pointer
    dereference due to use after free.
    
    To address this bug, pass in a new *post_ret parameter into
    se_cmd->transport_complete_callback(), and depend upon this
    value instead of ->se_cmd_flags to determine when to return
    or fall through into ->queue_status() code for CAW.
    
    Cc: Sagi Grimberg <sagig@mellanox.com>
    Cc: <stable@vger.kernel.org> # v3.12+
    Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

 drivers/target/target_core_sbc.c       |   13 +++++++++----
 drivers/target/target_core_transport.c |   14 ++++++++------
 include/target/target_core_base.h      |    2 +-
 3 files changed, 18 insertions(+), 11 deletions(-)

commit c26b157afe2cbde205fcdd36c0b0cc6ca36c2a6e
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Thu Nov 26 12:08:18 2015 +0100

    af-unix: passcred support for sendpage
    
    sendpage did not care about credentials at all. This could lead to
    situations in which because of fd passing between processes we could
    append data to skbs with different scm data. It is illegal to splice those
    skbs together. Instead we have to allocate a new skb and if requested
    fill out the scm details.
    
    Fixes: 869e7c62486ec ("net: af_unix: implement stream sendpage support")
    Reported-by: Al Viro <viro@zeniv.linux.org.uk>
    Cc: Al Viro <viro@zeniv.linux.org.uk>
    Cc: Eric Dumazet <edumazet@google.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/unix/af_unix.c |   79 ++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 64 insertions(+), 15 deletions(-)

commit db1370c0dee2dfc22c3549eff6791afd19aaa365
Author: Peter Hurley <peter@hurleysoftware.com>
Date:   Fri Nov 27 14:18:39 2015 -0500

    wan/x25: Fix use-after-free in x25_asy_open_tty()
    
    The N_X25 line discipline may access the previous line discipline's closed
    and already-freed private data on open [1].
    
    The tty->disc_data field _never_ refers to valid data on entry to the
    line discipline's open() method. Rather, the ldisc is expected to
    initialize that field for its own use for the lifetime of the instance
    (ie. from open() to close() only).
    
    [1]
        [  634.336761] ==================================================================
        [  634.338226] BUG: KASAN: use-after-free in x25_asy_open_tty+0x13d/0x490 at addr ffff8800a743efd0
        [  634.339558] Read of size 4 by task syzkaller_execu/8981
        [  634.340359] =============================================================================
        [  634.341598] BUG kmalloc-512 (Not tainted): kasan: bad access detected
        ...
        [  634.405018] Call Trace:
        [  634.405277] dump_stack (lib/dump_stack.c:52)
        [  634.405775] print_trailer (mm/slub.c:655)
        [  634.406361] object_err (mm/slub.c:662)
        [  634.406824] kasan_report_error (mm/kasan/report.c:138 mm/kasan/report.c:236)
        [  634.409581] __asan_report_load4_noabort (mm/kasan/report.c:279)
        [  634.411355] x25_asy_open_tty (drivers/net/wan/x25_asy.c:559 (discriminator 1))
        [  634.413997] tty_ldisc_open.isra.2 (drivers/tty/tty_ldisc.c:447)
        [  634.414549] tty_set_ldisc (drivers/tty/tty_ldisc.c:567)
        [  634.415057] tty_ioctl (drivers/tty/tty_io.c:2646 drivers/tty/tty_io.c:2879)
        [  634.423524] do_vfs_ioctl (fs/ioctl.c:43 fs/ioctl.c:607)
        [  634.427491] SyS_ioctl (fs/ioctl.c:622 fs/ioctl.c:613)
        [  634.427945] entry_SYSCALL_64_fastpath (arch/x86/entry/entry_64.S:188)
    
    Reported-and-tested-by: Sasha Levin <sasha.levin@oracle.com>
    Cc: <stable@vger.kernel.org>
    Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 drivers/net/wan/x25_asy.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

commit 39f32f33dc362f9704113cc7874238792f8294c9
Author: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Date:   Mon Nov 30 14:32:54 2015 -0200

    sctp: use GFP_USER for user-controlled kmalloc
    
    Dmitry Vyukov reported that the user could trigger a kernel warning by
    using a large len value for getsockopt SCTP_GET_LOCAL_ADDRS, as that
    value directly affects the value used as a kmalloc() parameter.
    
    This patch thus switches the allocation flags from all user-controllable
    kmalloc size to GFP_USER to put some more restrictions on it and also
    disables the warn, as they are not necessary.
    
    Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
    Acked-by: Daniel Borkmann <daniel@iogearbox.net>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/sctp/socket.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit 70614db891859ff8474665fc0e982e772c5baf6c
Merge: 2aa7479 7f57ad4
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 28 21:58:09 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 7f57ad48fc90cc2c942ef8cad44804ea6cdbfc67
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 28 21:57:41 2015 -0500

    Update to pax-linux-4.2.6-test25.patch:
    - fixed constify regression, reported by spender

 tools/gcc/constify_plugin.c                        |   14 +++++++-------
 tools/gcc/initify_plugin.c                         |    2 +-
 .../size_overflow_plugin/size_overflow_transform.c |   13 ++++++-------
 tools/gcc/structleak_plugin.c                      |    2 +-
 4 files changed, 15 insertions(+), 16 deletions(-)

commit 2aa74790571aaea3d90191b1d235f580600d109f
Merge: e10e76a 0851e20
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Nov 27 21:02:06 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 0851e206a7d21e18d353984cb3f827158ce4237b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Nov 27 21:01:41 2015 -0500

    Update to pax-linux-4.2.6-test24.patch:
    - Emese fixed a few false positive overflow reports due to intentional overflows introduced by gcc, reported by Arnaud, kdave (https://forums.grsecurity.net/viewtopic.php?t=4287&p=15813#p15799) and rfnx (https://forums.grsecurity.net/viewtopic.php?t=4322)
    - Emese fixed a false positive size overflow report in ext4, reported by saironiq (https://forums.grsecurity.net/viewtopic.php?f=3&t=4324)
    - fixed a potential integer truncation error in the raid10 code caught by the size overflow plugin, reported by Alexander Tsoy (https://bugs.gentoo.org/show_bug.cgi?id=566316#c10)
    - fixed a few integer sign conversion errors in the kernel's zlib code caught by the size overflow plugin, reported by audiocricket (https://forums.grsecurity.net/viewtopic.php?f=3&t=4325)
    - fixed the handling of the no-constify constify plugin parameter
    - constified kvm_x86_ops
    - fixed macro param usage in access_ok, reported by gcc-6
    - turned off ipa-icf on the size overflow plugin as gcc-5 compiles it very slowly
    - fixed all plugins for gcc-6

 arch/arm/kvm/arm.c                                 |    2 +-
 arch/mips/kvm/mips.c                               |    2 +-
 arch/powerpc/kvm/powerpc.c                         |    2 +-
 arch/x86/include/asm/uaccess.h                     |    2 +-
 arch/x86/kvm/svm.c                                 |    2 +-
 arch/x86/kvm/vmx.c                                 |   24 ++++----
 arch/x86/kvm/x86.c                                 |    2 +-
 crypto/zlib.c                                      |    8 +-
 drivers/md/raid10.c                                |    2 +-
 include/linux/kvm_host.h                           |    4 +-
 scripts/Makefile.host                              |    6 ++
 tools/gcc/constify_plugin.c                        |   27 +++++---
 tools/gcc/initify_plugin.c                         |    6 +-
 tools/gcc/kernexec_plugin.c                        |   10 +--
 tools/gcc/size_overflow_plugin/Makefile            |    2 +
 .../disable_size_overflow_hash.data                |    3 +
 .../insert_size_overflow_asm.c                     |    2 +-
 .../size_overflow_plugin/intentional_overflow.c    |   63 ++++++++++++++++++++
 tools/gcc/size_overflow_plugin/size_overflow.h     |    1 +
 .../gcc/size_overflow_plugin/size_overflow_debug.c |    2 +-
 .../size_overflow_plugin/size_overflow_hash.data   |    3 -
 tools/gcc/size_overflow_plugin/size_overflow_ipa.c |    2 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 .../size_overflow_plugin/size_overflow_transform.c |   14 +++--
 .../size_overflow_transform_core.c                 |    2 +
 virt/kvm/kvm_main.c                                |    2 +-
 26 files changed, 140 insertions(+), 57 deletions(-)

commit e10e76a7ca9aab3528a613e91b556fd2f961c446
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Nov 27 20:04:14 2015 -0500

    update RANDSTRUCT for gcc6

 tools/gcc/randomize_layout_plugin.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit dd166b8680fdf8a72b44f175630803f33f442428
Author: Filipe Manana <fdmanana@suse.com>
Date:   Fri Oct 16 12:34:25 2015 +0100

    Btrfs: fix truncation of compressed and inlined extents
    
    When truncating a file to a smaller size which consists of an inline
    extent that is compressed, we did not discard (or made unusable) the
    data between the new file size and the old file size, wasting metadata
    space and allowing for the truncated data to be leaked and the data
    corruption/loss mentioned below.
    We were also not correctly decrementing the number of bytes used by the
    inode, we were setting it to zero, giving a wrong report for callers of
    the stat(2) syscall. The fsck tool also reported an error about a mismatch
    between the nbytes of the file versus the real space used by the file.
    
    Now because we weren't discarding the truncated region of the file, it
    was possible for a caller of the clone ioctl to actually read the data
    that was truncated, allowing for a security breach without requiring root
    access to the system, using only standard filesystem operations. The
    scenario is the following:
    
       1) User A creates a file which consists of an inline and compressed
          extent with a size of 2000 bytes - the file is not accessible to
          any other users (no read, write or execution permission for anyone
          else);
    
       2) The user truncates the file to a size of 1000 bytes;
    
       3) User A makes the file world readable;
    
       4) User B creates a file consisting of an inline extent of 2000 bytes;
    
       5) User B issues a clone operation from user A's file into its own
          file (using a length argument of 0, clone the whole range);
    
       6) User B now gets to see the 1000 bytes that user A truncated from
          its file before it made its file world readbale. User B also lost
          the bytes in the range [1000, 2000[ bytes from its own file, but
          that might be ok if his/her intention was reading stale data from
          user A that was never supposed to be public.
    
    Note that this contrasts with the case where we truncate a file from 2000
    bytes to 1000 bytes and then truncate it back from 1000 to 2000 bytes. In
    this case reading any byte from the range [1000, 2000[ will return a value
    of 0x00, instead of the original data.
    
    This problem exists since the clone ioctl was added and happens both with
    and without my recent data loss and file corruption fixes for the clone
    ioctl (patch "Btrfs: fix file corruption and data loss after cloning
    inline extents").
    
    So fix this by truncating the compressed inline extents as we do for the
    non-compressed case, which involves decompressing, if the data isn't already
    in the page cache, compressing the truncated version of the extent, writing
    the compressed content into the inline extent and then truncate it.
    
    The following test case for fstests reproduces the problem. In order for
    the test to pass both this fix and my previous fix for the clone ioctl
    that forbids cloning a smaller inline extent into a larger one,
    which is titled "Btrfs: fix file corruption and data loss after cloning
    inline extents", are needed. Without that other fix the test fails in a
    different way that does not leak the truncated data, instead part of
    destination file gets replaced with zeroes (because the destination file
    has a larger inline extent than the source).
    
      seq=`basename $0`
      seqres=$RESULT_DIR/$seq
      echo "QA output created by $seq"
      tmp=/tmp/$$
      status=1	# failure is the default!
      trap "_cleanup; exit \$status" 0 1 2 3 15
    
      _cleanup()
      {
          rm -f $tmp.*
      }
    
      # get standard environment, filters and checks
      . ./common/rc
      . ./common/filter
    
      # real QA test starts here
      _need_to_be_root
      _supported_fs btrfs
      _supported_os Linux
      _require_scratch
      _require_cloner
    
      rm -f $seqres.full
    
      _scratch_mkfs >>$seqres.full 2>&1
      _scratch_mount "-o compress"
    
      # Create our test files. File foo is going to be the source of a clone operation
      # and consists of a single inline extent with an uncompressed size of 512 bytes,
      # while file bar consists of a single inline extent with an uncompressed size of
      # 256 bytes. For our test's purpose, it's important that file bar has an inline
      # extent with a size smaller than foo's inline extent.
      $XFS_IO_PROG -f -c "pwrite -S 0xa1 0 128"   \
              -c "pwrite -S 0x2a 128 384" \
              $SCRATCH_MNT/foo | _filter_xfs_io
      $XFS_IO_PROG -f -c "pwrite -S 0xbb 0 256" $SCRATCH_MNT/bar | _filter_xfs_io
    
      # Now durably persist all metadata and data. We do this to make sure that we get
      # on disk an inline extent with a size of 512 bytes for file foo.
      sync
    
      # Now truncate our file foo to a smaller size. Because it consists of a
      # compressed and inline extent, btrfs did not shrink the inline extent to the
      # new size (if the extent was not compressed, btrfs would shrink it to 128
      # bytes), it only updates the inode's i_size to 128 bytes.
      $XFS_IO_PROG -c "truncate 128" $SCRATCH_MNT/foo
    
      # Now clone foo's inline extent into bar.
      # This clone operation should fail with errno EOPNOTSUPP because the source
      # file consists only of an inline extent and the file's size is smaller than
      # the inline extent of the destination (128 bytes < 256 bytes). However the
      # clone ioctl was not prepared to deal with a file that has a size smaller
      # than the size of its inline extent (something that happens only for compressed
      # inline extents), resulting in copying the full inline extent from the source
      # file into the destination file.
      #
      # Note that btrfs' clone operation for inline extents consists of removing the
      # inline extent from the destination inode and copy the inline extent from the
      # source inode into the destination inode, meaning that if the destination
      # inode's inline extent is larger (N bytes) than the source inode's inline
      # extent (M bytes), some bytes (N - M bytes) will be lost from the destination
      # file. Btrfs could copy the source inline extent's data into the destination's
      # inline extent so that we would not lose any data, but that's currently not
      # done due to the complexity that would be needed to deal with such cases
      # (specially when one or both extents are compressed), returning EOPNOTSUPP, as
      # it's normally not a very common case to clone very small files (only case
      # where we get inline extents) and copying inline extents does not save any
      # space (unlike for normal, non-inlined extents).
      $CLONER_PROG -s 0 -d 0 -l 0 $SCRATCH_MNT/foo $SCRATCH_MNT/bar
    
      # Now because the above clone operation used to succeed, and due to foo's inline
      # extent not being shinked by the truncate operation, our file bar got the whole
      # inline extent copied from foo, making us lose the last 128 bytes from bar
      # which got replaced by the bytes in range [128, 256[ from foo before foo was
      # truncated - in other words, data loss from bar and being able to read old and
      # stale data from foo that should not be possible to read anymore through normal
      # filesystem operations. Contrast with the case where we truncate a file from a
      # size N to a smaller size M, truncate it back to size N and then read the range
      # [M, N[, we should always get the value 0x00 for all the bytes in that range.
    
      # We expected the clone operation to fail with errno EOPNOTSUPP and therefore
      # not modify our file's bar data/metadata. So its content should be 256 bytes
      # long with all bytes having the value 0xbb.
      #
      # Without the btrfs bug fix, the clone operation succeeded and resulted in
      # leaking truncated data from foo, the bytes that belonged to its range
      # [128, 256[, and losing data from bar in that same range. So reading the
      # file gave us the following content:
      #
      # 0000000 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1
      # *
      # 0000200 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a 2a
      # *
      # 0000400
      echo "File bar's content after the clone operation:"
      od -t x1 $SCRATCH_MNT/bar
    
      # Also because the foo's inline extent was not shrunk by the truncate
      # operation, btrfs' fsck, which is run by the fstests framework everytime a
      # test completes, failed reporting the following error:
      #
      #  root 5 inode 257 errors 400, nbytes wrong
    
      status=0
      exit
    
    Cc: stable@vger.kernel.org
    Signed-off-by: Filipe Manana <fdmanana@suse.com>

 fs/btrfs/inode.c |   82 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 68 insertions(+), 14 deletions(-)

commit fe6936fd0f41ee2dccce47f5642251649a54e4d4
Author: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de>
Date:   Wed Nov 25 07:47:40 2015 +0100

    isdn: Partially revert debug format string usage clean up
    
    Commit 35a4a57 ("isdn: clean up debug format string usage") introduced
    a safeguard to avoid accidential format string interpolation of data
    when calling debugl1 or HiSax_putstatus. This did however not take into
    account VHiSax_putstatus (called by HiSax_putstatus) does *not* call
    vsprintf if the head parameter is NULL - the format string is treated
    as plain text then instead. As a result, the string "%s" is processed
    literally, and the actual information is lost. This affects the isdnlog
    userspace program which stopped logging information since that commit.
    
    So revert the HiSax_putstatus invocations to the previous state.
    
    Fixes: 35a4a5733b0a ("isdn: clean up debug format string usage")
    Cc: Kees Cook <keescook@chromium.org>
    Cc: Karsten Keil <isdn@linux-pingi.de>
    Signed-off-by: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 drivers/isdn/hisax/config.c  |    2 +-
 drivers/isdn/hisax/hfc_pci.c |    2 +-
 drivers/isdn/hisax/hfc_sx.c  |    2 +-
 drivers/isdn/hisax/q931.c    |    6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

commit 574035e44b3d49a71f1c0737b7b49bf60ddf0ce7
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Nov 25 20:24:52 2015 -0500

    future-proof the code against users of VM_NO_GUARD, mark KASAN as an incompatibility with KSTACKOVERFLOW

 lib/Kconfig.kasan |    2 +-
 mm/vmalloc.c      |    2 ++
 2 files changed, 3 insertions(+), 1 deletions(-)

commit 8a355f2c56ecd40ada14fd16717105ea9a9ac0b5
Author: Al Viro <viro@zeniv.linux.org.uk>
Date:   Mon Nov 23 21:11:08 2015 -0500

    fix sysvfs symlinks
    
    The thing got broken back in 2002 - sysvfs does *not* have inline
    symlinks; even short ones have bodies stored in the first block
    of file.  sysv_symlink() handles that correctly; unfortunately,
    attempting to look an existing symlink up will end up confusing
    them for inline symlinks, and interpret the block number containing
    the body as the body itself.
    
    Nobody has noticed until now, which says something about the level
    of testing sysvfs gets ;-/
    
    Cc: stable@vger.kernel.org # all of them, not that anyone cared
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/sysv/inode.c |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)

commit 195f1b816ff4cdcc8defc2dc0424cf25a0d937fb
Author: Jan Kara <jack@suse.cz>
Date:   Mon Nov 23 13:09:50 2015 +0100

    vfs: Make sendfile(2) killable even better
    
    Commit 296291cdd162 (mm: make sendfile(2) killable) fixed an issue where
    sendfile(2) was doing a lot of tiny writes into a filesystem and thus
    was unkillable for a long time. However sendfile(2) can be (mis)used to
    issue lots of writes into arbitrary file descriptor such as evenfd or
    similar special file descriptors which never hit the standard filesystem
    write path and thus are still unkillable. E.g. the following example
    from Dmitry burns CPU for ~16s on my test system without possibility to
    be killed:
    
            int r1 = eventfd(0, 0);
            int r2 = memfd_create("", 0);
            unsigned long n = 1<<30;
            fallocate(r2, 0, 0, n);
            sendfile(r1, r2, 0, n);
    
    There are actually quite a few tests for pending signals in sendfile
    code however we data to write is always available none of them seems to
    trigger. So fix the problem by adding a test for pending signal into
    splice_from_pipe_next() also before the loop waiting for pipe buffers to
    be available. This should fix all the lockup issues with sendfile of the
    do-ton-of-tiny-writes nature.
    
    CC: stable@vger.kernel.org
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Signed-off-by: Jan Kara <jack@suse.cz>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/splice.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

commit 92470552efa5a49718308238c7da9ba2579a1147
Author: Jan Kara <jack@suse.cz>
Date:   Mon Nov 23 13:09:51 2015 +0100

    vfs: Avoid softlockups with sendfile(2)
    
    The following test program from Dmitry can cause softlockups or RCU
    stalls as it copies 1GB from tmpfs into eventfd and we don't have any
    scheduling point at that path in sendfile(2) implementation:
    
            int r1 = eventfd(0, 0);
            int r2 = memfd_create("", 0);
            unsigned long n = 1<<30;
            fallocate(r2, 0, 0, n);
            sendfile(r1, r2, 0, n);
    
    Add cond_resched() into __splice_from_pipe() to fix the problem.
    
    CC: Dmitry Vyukov <dvyukov@google.com>
    CC: stable@vger.kernel.org
    Signed-off-by: Jan Kara <jack@suse.cz>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/splice.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 28ab97eb348dca6653eccb40d012103786d03ae6
Author: Eric Dumazet <edumazet@google.com>
Date:   Tue Nov 24 11:39:54 2015 -0800

    pidns: fix NULL dereference in __task_pid_nr_ns()
    
    I got a crash during a "perf top" session that was caused by a race in
    __task_pid_nr_ns() :
    
    pid_nr_ns() was inlined, but apparently compiler chose to read
    task->pids[type].pid twice, and the pid->level dereference crashed
    because we got a NULL pointer at the second read :
    
        if (pid && ns->level <= pid->level) { // CRASH
    
    Just use RCU API properly to solve this race, and not worry about "perf
    top" crashing hosts :(
    
    get_task_pid() can benefit from same fix.
    
    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 kernel/pid.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit 2545f7485c4676c52855750b992d8c1921e559c4
Merge: 93a41eb 83df348
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 23 20:30:33 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 83df3482b33ef4d8192a253a6852e9a9db1f7dca
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 23 20:30:16 2015 -0500

    Update to pax-linux-4.2.6-test23.patch:
    - fixed gcc-common.h regression under gcc-5, reported by Arnaud and coldhak
    - fixed ath10k compile error with the size overflow plugin, reported by victor and careta (https://forums.grsecurity.net/viewtopic.php?t=4323)

 drivers/net/wireless/ath/ath10k/ce.c |    4 ++--
 tools/gcc/gcc-common.h               |   13 ++++++-------
 2 files changed, 8 insertions(+), 9 deletions(-)

commit 93a41eb6e3a7ab9446658b6d2ec4623014b55232
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Nov 22 17:14:38 2015 -0500

    update gcc-common.h

 tools/gcc/gcc-common.h |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

commit 7da11be9f025bd8193f03f9b32697bc1ce8ac650
Author: Andrew Cooper <andrew.cooper3@citrix.com>
Date:   Wed Jun 3 10:31:14 2015 +0100

    x86/cpu: Fix SMAP check in PVOPS environments
    
    There appears to be no formal statement of what pv_irq_ops.save_fl() is
    supposed to return precisely.  Native returns the full flags, while lguest and
    Xen only return the Interrupt Flag, and both have comments by the
    implementations stating that only the Interrupt Flag is looked at.  This may
    have been true when initially implemented, but no longer is.
    
    To make matters worse, the Xen PVOP leaves the upper bits undefined, making
    the BUG_ON() undefined behaviour.  Experimentally, this now trips for 32bit PV
    guests on Broadwell hardware.  The BUG_ON() is consistent for an individual
    build, but not consistent for all builds.  It has also been a sitting timebomb
    since SMAP support was introduced.
    
    Use native_save_fl() instead, which will obtain an accurate view of the AC
    flag.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
    Reviewed-by: David Vrabel <david.vrabel@citrix.com>
    Tested-by: Rusty Russell <rusty@rustcorp.com.au>
    Cc: Rusty Russell <rusty@rustcorp.com.au>
    Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
    Cc: <lguest@lists.ozlabs.org>
    Cc: Xen-devel <xen-devel@lists.xen.org>
    CC: stable@vger.kernel.org
    Link: http://lkml.kernel.org/r/1433323874-6927-1-git-send-email-andrew.cooper3@citrix.com
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

 arch/x86/kernel/cpu/common.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

commit 08ce34cf092b9f1b5311f156df4182a282bf7acc
Author: Dave Hansen <dave.hansen@linux.intel.com>
Date:   Wed Nov 11 10:19:31 2015 -0800

    x86/mpx: Do proper get_user() when running 32-bit binaries on 64-bit kernels
    
    When you call get_user(foo, bar), you effectively do a
    
    	copy_from_user(&foo, bar, sizeof(*bar));
    
    Note that the sizeof() is implicit.
    
    When we reach out to userspace to try to zap an entire "bounds
    table" we need to go read a "bounds directory entry" in order to
    locate the table's address.  The size of a "directory entry"
    depends on the binary being run and is always the size of a
    pointer.
    
    But, when we have a 64-bit kernel and a 32-bit application, the
    directory entry is still only 32-bits long, but we fetch it with
    a 64-bit pointer which makes get_user() does a 64-bit fetch.
    Reading 4 extra bytes isn't harmful, unless we are at the end of
    and run off the table.  It might also cause the zero page to get
    faulted in unnecessarily even if you are not at the end.
    
    Fix it up by doing a special 32-bit get_user() via a cast when
    we have 32-bit userspace.
    
    Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: <stable@vger.kernel.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Brian Gerst <brgerst@gmail.com>
    Cc: Dave Hansen <dave@sr71.net>
    Cc: Denys Vlasenko <dvlasenk@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Link: http://lkml.kernel.org/r/20151111181931.3ACF6822@viggo.jf.intel.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/x86/mm/mpx.c |   25 ++++++++++++++++++++++++-
 1 files changed, 24 insertions(+), 1 deletions(-)

commit 9e1e1d1d6f6f41b13a6e85f25e27aee4410f58bf
Author: Dave Hansen <dave.hansen@linux.intel.com>
Date:   Wed Nov 11 10:19:34 2015 -0800

    x86/mpx: Fix 32-bit address space calculation
    
    I received a bug report that running 32-bit MPX binaries on
    64-bit kernels was broken.  I traced it down to this little code
    snippet.  We were switching our "number of bounds directory
    entries" calculation correctly.  But, we didn't switch the other
    side of the calculation: the virtual space size.
    
    This meant that we were calculating an absurd size for
    bd_entry_virt_space() on 32-bit because we used the 64-bit
    virt_space.
    
    This was _also_ broken for 32-bit kernels running on 64-bit
    hardware since boot_cpu_data.x86_virt_bits=48 even when running
    in 32-bit mode.
    
    Correct that and properly handle all 3 possible cases:
    
     1. 32-bit binary on 64-bit kernel
     2. 64-bit binary on 64-bit kernel
     3. 32-bit binary on 32-bit kernel
    
    This manifested in having bounds tables not properly unmapped.
    It "leaked" memory but had no functional impact otherwise.
    
    Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: <stable@vger.kernel.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Brian Gerst <brgerst@gmail.com>
    Cc: Dave Hansen <dave@sr71.net>
    Cc: Denys Vlasenko <dvlasenk@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Link: http://lkml.kernel.org/r/20151111181934.FA7FAC34@viggo.jf.intel.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/x86/mm/mpx.c |   22 +++++++++++++++++-----
 1 files changed, 17 insertions(+), 5 deletions(-)

commit c197eee75054d90aafe695c0edb4f25feb469292
Author: Huaitong Han <huaitong.han@intel.com>
Date:   Fri Nov 6 17:00:23 2015 +0800

    x86/fpu: Fix get_xsave_addr() behavior under virtualization
    
    KVM uses the get_xsave_addr() function in a different fashion from
    the native kernel, in that the 'xsave' parameter belongs to guest vcpu,
    not the currently running task.
    
    But 'xsave' is replaced with current task's (host) xsave structure, so
    get_xsave_addr() will incorrectly return the bad xsave address to KVM.
    
    Fix it so that the passed in 'xsave' address is used - as intended
    originally.
    
    Signed-off-by: Huaitong Han <huaitong.han@intel.com>
    Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: <stable@vger.kernel.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Paolo Bonzini <pbonzini@redhat.com>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Oleg Nesterov <oleg@redhat.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: dave.hansen@intel.com
    Link: http://lkml.kernel.org/r/1446800423-21622-1-git-send-email-huaitong.han@intel.com
    [ Tidied up the changelog. ]
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    
    Conflicts:
    
    	arch/x86/kernel/fpu/xstate.c

 arch/x86/kernel/fpu/xstate.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

commit 460cdd8a9a19731ce27333866943eed81cba1d96
Author: Dave Hansen <dave.hansen@linux.intel.com>
Date:   Tue Nov 10 16:23:54 2015 -0800

    x86/fpu: Fix 32-bit signal frame handling
    
    (This should have gone to LKML originally. Sorry for the extra
     noise, folks on the cc.)
    
    Background:
    
    Signal frames on x86 have two formats:
    
      1. For 32-bit executables (whether on a real 32-bit kernel or
         under 32-bit emulation on a 64-bit kernel) we have a
        'fpregset_t' that includes the "FSAVE" registers.
    
      2. For 64-bit executables (on 64-bit kernels obviously), the
         'fpregset_t' is smaller and does not contain the "FSAVE"
         state.
    
    When creating the signal frame, we have to be aware of whether
    we are running a 32 or 64-bit executable so we create the
    correct format signal frame.
    
    Problem:
    
    save_xstate_epilog() uses 'fx_sw_reserved_ia32' whenever it is
    called for a 32-bit executable.  This is for real 32-bit and
    ia32 emulation.
    
    But, fpu__init_prepare_fx_sw_frame() only initializes
    'fx_sw_reserved_ia32' when emulation is enabled, *NOT* for real
    32-bit kernels.
    
    This leads to really wierd situations where 32-bit programs
    lose their extended state when returning from a signal handler.
    The kernel copies the uninitialized (zero) 'fx_sw_reserved_ia32'
    out to userspace in save_xstate_epilog().  But when returning
    from the signal, the kernel errors out in check_for_xstate()
    when it does not see FP_XSTATE_MAGIC1 present (because it was
    zeroed).  This leads to the FPU/XSAVE state being initialized.
    
    For MPX, this leads to the most permissive state and means we
    silently lose bounds violations.  I think this would also mean
    that we could lose *ANY* FPU/SSE/AVX state.  I'm not sure why
    no one has spotted this bug.
    
    I believe this was broken by:
    
    	72a671ced66d ("x86, fpu: Unify signal handling code paths for x86 and x86_64 kernels")
    
    way back in 2012.
    
    Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: <stable@vger.kernel.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Brian Gerst <brgerst@gmail.com>
    Cc: Denys Vlasenko <dvlasenk@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: dave@sr71.net
    Cc: fenghua.yu@intel.com
    Cc: yu-cheng.yu@intel.com
    Link: http://lkml.kernel.org/r/20151111002354.A0799571@viggo.jf.intel.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/x86/kernel/fpu/signal.c |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

commit c3f2cc8921a08fff1fbad9127dd7a30c4a953e88
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 18:36:58 2015 -0500

    Fix gcc 5.x compilation, reported by Arnaud and coldhak

 tools/gcc/gcc-common.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit f0ea1bc982c60c1c39d0f95d9f3db0ec799387ca
Merge: 3929e88 c692401
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 15:41:38 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit c69240179ca6ff101670f4859bb0e9a9deb85359
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 15:41:06 2015 -0500

    Update to pax-linux-4.2.6-test22.patch:
    - made the previous READ_ONCE/WRITE_ONCE fix compatible with gcc PR 58145

 include/linux/compiler.h |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

commit 3929e882e451b177af1a615858f0a96a7cd734b1
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 13:14:25 2015 -0500

    remove disable_kill option entirely for the final 4.2 release

 fs/exec.c        |   11 -----------
 security/Kconfig |    5 -----
 2 files changed, 0 insertions(+), 16 deletions(-)

commit 91633d0eebc41553ea77b5fa7559aa806a60008c
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 07:38:10 2015 -0500

    compile fix

 net/unix/af_unix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 0afc2f69e7f948995522f6e1dbb957ed84abd9b9
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 07:14:43 2015 -0500

    Revert previous AF_UNIX fix:
    http://www.spinics.net/lists/netdev/msg318826.html
    and apply new one by Jason Baron:
    https://lkml.org/lkml/2015/9/29/825

 include/net/af_unix.h |    1 +
 net/unix/af_unix.c    |   36 ++++++++++++++++++++++++++++++------
 2 files changed, 31 insertions(+), 6 deletions(-)

commit 0a3eec2b3d110042af4e0a9f1e87458262fce1eb
Merge: 917a60c 8fd74af
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 06:50:33 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 8fd74afe08ee45516a9daf2593f31c176516cb55
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 21 06:49:57 2015 -0500

    Update to pax-linux-4.2.6-test21.patch:
    - fixed a size overflow plugin bug that could cause a compiler error
    - Emese fixed a size overflow false positive in xfrm4_mode_tunnel_input, reported by Arnaud <arnaud@drno.eu>
    - updated gcc-common.h to support gcc-6
    - fixed some undefined behaviour in READ_ONCE/WRITE_ONCE

 include/linux/compiler.h                           |   38 +++----------------
 tools/gcc/gcc-common.h                             |   39 ++++++++++++++++----
 tools/gcc/initify_plugin.c                         |    4 +-
 .../disable_size_overflow_hash.data                |    7 +++-
 .../size_overflow_plugin/intentional_overflow.c    |    2 +-
 .../size_overflow_plugin/size_overflow_hash.data   |    9 +----
 .../size_overflow_plugin/size_overflow_transform.c |    4 +-
 7 files changed, 50 insertions(+), 53 deletions(-)

commit 917a60c749d80121229a1752874ff8a606778fc5
Merge: 76fc822 77d474f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Nov 18 19:58:31 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 77d474f0bcb2e5acafc78c66c456d1aebaac14b3
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Nov 18 19:58:08 2015 -0500

    Update to pax-linux-4.2.6-test20.patch:
    - constified some vdso/vsyscall related code/data

 arch/x86/entry/vdso/vdso2c.h              |    4 ++--
 arch/x86/entry/vsyscall/vsyscall_emu_64.S |    2 +-
 arch/x86/mm/ioremap.c                     |    2 +-
 mm/debug.c                                |    3 +++
 4 files changed, 7 insertions(+), 4 deletions(-)

commit 76fc8223b2e6b6c950702adfdb055dd5da90657c
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Nov 18 17:40:27 2015 -0500

    Allow processes with CAP_SYS_PTRACE to ignore /proc/pid restrictions,
    as reported by Andrew

 fs/proc/base.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 708c2e025f8a05b76f319cfa5fa624d37d8ef6f3
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Nov 17 18:43:24 2015 -0500

    Fix multiple character encodings in patch, reported by IooNag on the forums

 grsecurity/Makefile      |    2 +-
 net/netfilter/xt_gradm.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

commit d1f7534df8687fd05858fd45805b1185eafe38a7
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Tue Nov 17 15:10:59 2015 +0100

    af_unix: take receive queue lock while appending new skb
    
    While possibly in future we don't necessarily need to use
    sk_buff_head.lock this is a rather larger change, as it affects the
    af_unix fd garbage collector, diag and socket cleanups. This is too much
    for a stable patch.
    
    For the time being grab sk_buff_head.lock without disabling bh and irqs,
    so don't use locked skb_queue_tail.
    
    Fixes: 869e7c62486e ("net: af_unix: implement stream sendpage support")
    Cc: Eric Dumazet <edumazet@google.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Reported-by: Eric Dumazet <edumazet@google.com>
    Acked-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/unix/af_unix.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

commit 0df914e7a66a4807bac7762ab33ba3020944ef6b
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Mon Nov 16 16:25:56 2015 +0100

    af_unix: don't append consumed skbs to sk_receive_queue
    
    In case multiple writes to a unix stream socket race we could end up in a
    situation where we pre-allocate a new skb for use in unix_stream_sendpage
    but have to free it again in the locked section because another skb
    has been appended meanwhile, which we must use. Accidentally we didn't
    clear the pointer after consuming it and so we touched freed memory
    while appending it to the sk_receive_queue. So, clear the pointer after
    consuming the skb.
    
    This bug has been found with syzkaller
    (http://github.com/google/syzkaller) by Dmitry Vyukov.
    
    Fixes: 869e7c62486e ("net: af_unix: implement stream sendpage support")
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Cc: Dmitry Vyukov <dvyukov@google.com>
    Cc: Eric Dumazet <eric.dumazet@gmail.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Acked-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/unix/af_unix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit ac8466abcd0ae871cd38d868e1a4e903b92ffc48
Author: Jason A. Donenfeld <Jason@zx2c4.com>
Date:   Thu Nov 12 17:35:58 2015 +0100

    ip_tunnel: disable preemption when updating per-cpu tstats
    
    Drivers like vxlan use the recently introduced
    udp_tunnel_xmit_skb/udp_tunnel6_xmit_skb APIs. udp_tunnel6_xmit_skb
    makes use of ip6tunnel_xmit, and ip6tunnel_xmit, after sending the
    packet, updates the struct stats using the usual
    u64_stats_update_begin/end calls on this_cpu_ptr(dev->tstats).
    udp_tunnel_xmit_skb makes use of iptunnel_xmit, which doesn't touch
    tstats, so drivers like vxlan, immediately after, call
    iptunnel_xmit_stats, which does the same thing - calls
    u64_stats_update_begin/end on this_cpu_ptr(dev->tstats).
    
    While vxlan is probably fine (I don't know?), calling a similar function
    from, say, an unbound workqueue, on a fully preemptable kernel causes
    real issues:
    
    [  188.434537] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u8:0/6
    [  188.435579] caller is debug_smp_processor_id+0x17/0x20
    [  188.435583] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.2.6 #2
    [  188.435607] Call Trace:
    [  188.435611]  [<ffffffff8234e936>] dump_stack+0x4f/0x7b
    [  188.435615]  [<ffffffff81915f3d>] check_preemption_disabled+0x19d/0x1c0
    [  188.435619]  [<ffffffff81915f77>] debug_smp_processor_id+0x17/0x20
    
    The solution would be to protect the whole
    this_cpu_ptr(dev->tstats)/u64_stats_update_begin/end blocks with
    disabling preemption and then reenabling it.
    
    Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
    Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 include/net/ip6_tunnel.h |    3 ++-
 include/net/ip_tunnels.h |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

commit 44665148f06b73ea0c253a1a34d15689674d7421
Author: Mathias Krause <minipli@googlemail.com>
Date:   Fri Nov 6 16:30:38 2015 -0800

    printk: prevent userland from spoofing kernel messages
    
    The following statement of ABI/testing/dev-kmsg is not quite right:
    
       It is not possible to inject messages from userspace with the
       facility number LOG_KERN (0), to make sure that the origin of the
       messages can always be reliably determined.
    
    Userland actually can inject messages with a facility of 0 by abusing the
    fact that the facility is stored in a u8 data type.  By using a facility
    which is a multiple of 256 the assignment of msg->facility in log_store()
    implicitly truncates it to 0, i.e.  LOG_KERN, allowing users of /dev/kmsg
    to spoof kernel messages as shown below:
    
    The following call...
       # printf '<%d>Kernel panic - not syncing: beer empty\n' 0 >/dev/kmsg
    ...leads to the following log entry (dmesg -x | tail -n 1):
       user  :emerg : [   66.137758] Kernel panic - not syncing: beer empty
    
    However, this call...
       # printf '<%d>Kernel panic - not syncing: beer empty\n' 0x800 >/dev/kmsg
    ...leads to the slightly different log entry (note the kernel facility):
       kern  :emerg : [   74.177343] Kernel panic - not syncing: beer empty
    
    Fix that by limiting the user provided facility to 8 bit right from the
    beginning and catch the truncation early.
    
    Fixes: 7ff9554bb578 ("printk: convert byte-buffer to variable-length...")
    Signed-off-by: Mathias Krause <minipli@googlemail.com>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: Petr Mladek <pmladek@suse.cz>
    Cc: Alex Elder <elder@linaro.org>
    Cc: Joe Perches <joe@perches.com>
    Cc: Kay Sievers <kay@vrfy.org>
    Cc: <stable@vger.kernel.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 kernel/printk/printk.c |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

commit bef8fb168317597f02c00ab4075ff094dcdfd2c6
Author: Borislav Petkov <bp@suse.de>
Date:   Thu Nov 5 16:57:56 2015 +0100

    x86/cpu: Call verify_cpu() after having entered long mode too
    
    When we get loaded by a 64-bit bootloader, kernel entry point is
    startup_64 in head_64.S. We don't trust any and all bootloaders because
    some will fiddle with CPU configuration so we go ahead and massage each
    CPU into sanity again.
    
    For example, some dell BIOSes have this XD disable feature which set
    IA32_MISC_ENABLE[34] and disable NX. This might be some dumb workaround
    for other OSes but Linux sure doesn't need it.
    
    A similar thing is present in the Surface 3 firmware - see
    https://bugzilla.kernel.org/show_bug.cgi?id=106051 - which sets this bit
    only on the BSP:
    
      # rdmsr -a 0x1a0
      400850089
      850089
      850089
      850089
    
    I know, right?!
    
    There's not even an off switch in there.
    
    So fix all those cases by sanitizing the 64-bit entry point too. For
    that, make verify_cpu() callable in 64-bit mode also.
    
    Requested-and-debugged-by: "H. Peter Anvin" <hpa@zytor.com>
    Reported-and-tested-by: Bastien Nocera <bugzilla@hadess.net>
    Signed-off-by: Borislav Petkov <bp@suse.de>
    Cc: Matt Fleming <matt@codeblueprint.co.uk>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: stable@vger.kernel.org
    Link: http://lkml.kernel.org/r/1446739076-21303-1-git-send-email-bp@alien8.de
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    
    Conflicts:
    
    	arch/x86/kernel/head_64.S

 arch/x86/kernel/head_64.S    |    9 +++++++++
 arch/x86/kernel/verify_cpu.S |   12 +++++++-----
 2 files changed, 16 insertions(+), 5 deletions(-)

commit 9cb084208a9589a6a5be01d2b7df88843f4b01a4
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Tue Nov 10 16:23:15 2015 +0100

    af-unix: fix use-after-free with concurrent readers while splicing
    
    During splicing an af-unix socket to a pipe we have to drop all
    af-unix socket locks. While doing so we allow another reader to enter
    unix_stream_read_generic which can read, copy and finally free another
    skb. If exactly this skb is just in process of being spliced we get a
    use-after-free report by kasan.
    
    First, we must make sure to not have a free while the skb is used during
    the splice operation. We simply increment its use counter before unlocking
    the reader lock.
    
    Stream sockets have the nice characteristic that we don't care about
    zero length writes and they never reach the peer socket's queue. That
    said, we can take the UNIXCB.consumed field as the indicator if the
    skb was already freed from the socket's receive queue. If the skb was
    fully consumed after we locked the reader side again we know it has been
    dropped by a second reader. We indicate a short read to user space and
    abort the current splice operation.
    
    This bug has been found with syzkaller
    (http://github.com/google/syzkaller) by Dmitry Vyukov.
    
    Fixes: 2b514574f7e8 ("net: af_unix: implement splice for stream af_unix sockets")
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Cc: Dmitry Vyukov <dvyukov@google.com>
    Cc: Eric Dumazet <eric.dumazet@gmail.com>
    Acked-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/unix/af_unix.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

commit 4e75d2b7d6546add44f0951e78410b131a1e660d
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 14 15:08:46 2015 -0500

    switch the default for SIZE_OVERFLOW_KILL to n, later we'll remove
    the option entirely
    Distros should make sure their users report all overflows printed to the
    kernel logs so the underlying issues can be fixed

 security/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 2e37eb35e0f1ba5a0feac5264a7b24d89376d0a2
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 14 15:07:51 2015 -0500

    Resync with PaX

 fs/btrfs/inode.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

commit 2f63d2552f38c700902d17bf9b591d82f39a3fb5
Merge: 5e0ec21 823b1bc
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 14 14:29:16 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 823b1bc5a8e670f7ddfa98ee0d83762bffab28fb
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Nov 14 14:28:35 2015 -0500

    Update to pax-linux-4.2.6-test19.patch:
    - David Sterba updated the fix for one of the previous btrfs problems
    - Emese and Rasmus Villemoes <linux@rasmusvillemoes.dk> fixed a few bugs in the initify plugin
    - fixed debian package generation to support building out-of-tree modules with plugins, reported by Elie Roudninski <elie.roudninski@gmail.com>

 fs/btrfs/delayed-inode.c   |    3 +-
 fs/btrfs/delayed-inode.h   |    2 +-
 fs/btrfs/inode.c           |    2 +-
 scripts/package/builddeb   |    2 +-
 tools/gcc/initify_plugin.c |  264 ++++++++++++++++++++++++++++++--------------
 5 files changed, 188 insertions(+), 85 deletions(-)

commit 5e0ec21349bb3aeead0701ef51df3086ad377979
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Nov 12 19:54:21 2015 -0500

    Revert https://patchwork.kernel.org/patch/7585611/ for now as it's been reported
    to cause userland hangs, similar to previous bugs seen in the past

 fs/btrfs/inode.c |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)

commit 65402b5a6125cc95c3223a0da8f2817e13bf18ec
Author: françois romieu <romieu@fr.zoreil.com>
Date:   Wed Nov 11 23:35:18 2015 +0100

    r8169: fix kasan reported skb use-after-free.
    
    Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
    Reported-by: Dave Jones <davej@codemonkey.org.uk>
    Fixes: d7d2d89d4b0af ("r8169: Add software counter for multicast packages")
    Acked-by: Eric Dumazet <edumazet@google.com>
    Acked-by: Corinna Vinschen <vinschen@redhat.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 drivers/net/ethernet/realtek/r8169.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit bbfcbb7b1e086062aa17358927e14e394830b8a3
Author: Anthony Lineham <anthony.lineham@alliedtelesis.co.nz>
Date:   Thu Oct 22 11:17:03 2015 +1300

    netfilter: Fix removal of GRE expectation entries created by PPTP
    
    The uninitialized tuple structure caused incorrect hash calculation
    and the lookup failed.
    
    Link: https://bugzilla.kernel.org/show_bug.cgi?id=106441
    Signed-off-by: Anthony Lineham <anthony.lineham@alliedtelesis.co.nz>
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

 net/ipv4/netfilter/nf_nat_pptp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit d7cb19f37a91603021e2bed6417766ecca315bd0
Author: Paolo Bonzini <pbonzini@redhat.com>
Date:   Tue Nov 10 09:14:39 2015 +0100

    KVM: svm: unconditionally intercept #DB
    
    This is needed to avoid the possibility that the guest triggers
    an infinite stream of #DB exceptions (CVE-2015-8104).
    
    VMX is not affected: because it does not save DR6 in the VMCS,
    it already intercepts #DB unconditionally.
    
    Reported-by: Jan Beulich <jbeulich@suse.com>
    Cc: stable@vger.kernel.org
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

 arch/x86/kvm/svm.c |   14 +++-----------
 1 files changed, 3 insertions(+), 11 deletions(-)

commit 5b241ac6551e1675e1cbbc4a74fa1c698ada28f4
Author: Eric Northup <digitaleric@google.com>
Date:   Tue Nov 3 18:03:53 2015 +0100

    KVM: x86: work around infinite loop in microcode when #AC is delivered
    
    It was found that a guest can DoS a host by triggering an infinite
    stream of "alignment check" (#AC) exceptions.  This causes the
    microcode to enter an infinite loop where the core never receives
    another interrupt.  The host kernel panics pretty quickly due to the
    effects (CVE-2015-5307).
    
    Signed-off-by: Eric Northup <digitaleric@google.com>
    Cc: stable@vger.kernel.org
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

 arch/x86/include/uapi/asm/svm.h |    1 +
 arch/x86/kvm/svm.c              |    8 ++++++++
 arch/x86/kvm/vmx.c              |    5 ++++-
 3 files changed, 13 insertions(+), 1 deletions(-)

commit 6113725aaaf6626522b93732f29dd36370695a89
Author: Daniel Borkmann <daniel@iogearbox.net>
Date:   Thu Nov 5 00:01:51 2015 +0100

    debugfs: fix refcount imbalance in start_creating
    
    In debugfs' start_creating(), we pin the file system to safely access
    its root. When we failed to create a file, we unpin the file system via
    failed_creating() to release the mount count and eventually the reference
    of the vfsmount.
    
    However, when we run into an error during lookup_one_len() when still
    in start_creating(), we only release the parent's mutex but not so the
    reference on the mount. Looks like it was done in the past, but after
    splitting portions of __create_file() into start_creating() and
    end_creating() via 190afd81e4a5 ("debugfs: split the beginning and the
    end of __create_file() off"), this seemed missed. Noticed during code
    review.
    
    Fixes: 190afd81e4a5 ("debugfs: split the beginning and the end of __create_file() off")
    Cc: stable@vger.kernel.org # v4.0+
    Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/debugfs/inode.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

commit e91f8a6717837a8a64b6e86317a1373ec9cd6c04
Author: Maciej W. Rozycki <macro@imgtec.com>
Date:   Mon Oct 26 15:48:19 2015 +0000

    binfmt_elf: Don't clobber passed executable's file header
    
    Do not clobber the buffer space passed from `search_binary_handler' and
    originally preloaded by `prepare_binprm' with the executable's file
    header by overwriting it with its interpreter's file header.  Instead
    keep the buffer space intact and directly use the data structure locally
    allocated for the interpreter's file header, fixing a bug introduced in
    2.1.14 with loadable module support (linux-mips.org commit beb11695
    [Import of Linux/MIPS 2.1.14], predating kernel.org repo's history).
    Adjust the amount of data read from the interpreter's file accordingly.
    
    This was not an issue before loadable module support, because back then
    `load_elf_binary' was executed only once for a given ELF executable,
    whether the function succeeded or failed.
    
    With loadable module support supported and enabled, upon a failure of
    `load_elf_binary' -- which may for example be caused by architecture
    code rejecting an executable due to a missing hardware feature requested
    in the file header -- a module load is attempted and then the function
    reexecuted by `search_binary_handler'.  With the executable's file
    header replaced with its interpreter's file header the executable can
    then be erroneously accepted in this subsequent attempt.
    
    Cc: stable@vger.kernel.org # all the way back
    Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/binfmt_elf.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

commit 9c49029fe4cb9a52cb174aebfd5946a9d26b9956
Merge: 5482e7e 7033393
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 9 19:51:58 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 70333935932c9f3eb333a354dd760b4233efcc37
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 9 19:51:19 2015 -0500

    Update to pax-linux-4.2.6-test18.patch:
    - cleaned up the last of the FPU changes, by spender
    - fixed a few KERNEXEC regressions (backported from 4.3)
    - Emese fixed a few size overflow false positives in kvm, reported by Christian Roessner (https://bugs.gentoo.org/show_bug.cgi?id=558138#c23)
    - David Sterba fixed a few integer overflows in btrfs caught by the size overflow plugin (https://patchwork.kernel.org/patch/7585611/ and https://patchwork.kernel.org/patch/7582351/), reported by Victor, Stebalien and alan.d (https://forums.grsecurity.net/viewtopic.php?f=1&t=4284)

 arch/x86/include/asm/fpu/internal.h                |    2 +-
 arch/x86/include/asm/fpu/types.h                   |    1 -
 arch/x86/kernel/apic/apic.c                        |    4 ++-
 arch/x86/kernel/fpu/init.c                         |   36 --------------------
 arch/x86/kernel/process_64.c                       |    6 +--
 arch/x86/kernel/vsmp_64.c                          |   13 +++++--
 drivers/acpi/video_detect.c                        |    2 +-
 drivers/lguest/core.c                              |    2 +-
 fs/btrfs/file.c                                    |   10 ++++--
 fs/btrfs/inode.c                                   |   12 ++++++
 .../disable_size_overflow_hash.data                |    5 ++-
 .../size_overflow_plugin/size_overflow_hash.data   |    7 +---
 12 files changed, 42 insertions(+), 58 deletions(-)

commit 5482e7eb4ba3c5cc90472ccdb1bfe2cec64413e2
Merge: 81e2642 682ba19
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 9 18:19:48 2015 -0500

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	drivers/pci/pci-sysfs.c

commit 682ba19ce305f501c9bc5c42a76f2c7442aa22fc
Merge: 7755256 1c02865
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 9 18:18:24 2015 -0500

    Merge branch 'linux-4.2.y' into pax-test

commit 81e26429b7a36f0c75de3ab42754256720c0a159
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 9 07:37:30 2015 -0500

    btrfs: fix signed overflow in btrfs_sync_file
    
    The calculation of range length in btrfs_sync_file leads to signed
    overflow. This was caught by PaX gcc SIZE_OVERFLOW plugin.
    
    https://forums.grsecurity.net/viewtopic.php?f=1&t=4284
    
    The fsync call passes 0 and LLONG_MAX, the range length does not fit to
    loff_t and overflows, but the value is converted to u64 so it silently
    works as expected.
    
    The minimal fix is a typecast to u64, switching functions to take
    (start, end) instead of (start, len) would be more intrusive.
    
    Coccinelle script found that there's one more opencoded calculation of
    the length.
    
    <smpl>
    @@
    loff_t start, end;
    @@
    * end - start
    </smpl>
    
    CC: stable@vger.kernel.org
    Signed-off-by: David Sterba <dsterba@suse.com>

 fs/btrfs/file.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

commit 07fd498a96e2d589ad743851c0dec482a92e0429
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Nov 8 17:04:31 2015 -0500

    Fix an upstream type confusion bug exposed by RANDSTRUCT:
    at the beginning of each sem_array/shmid_kernel/msg_queue
    struct is an kern_ipc_perm struct.  Unlike every other place in the
    kernel where some field must be at an explicit location, there's
    no documentation at all that the kern_ipc_perm must be at the beginning
    of these structs.  Previously, shmid_kernel and kern_ipc_perm were both
    randomized with RANDSTRUCT.  The problem arises due to the show() handler
    for /proc for msg/sem/shm -- what it is provided is a pointer to
    a kern_ipc_perm struct (as a void *) which each show() handler then
    assumes can be implicitly cast to its own particular struct type without
    any kind of container_of being performed.  Fix this by doing the proper
    type conversions for each via container_of, and randomize the sem and msg
    structs while we're at it.

 include/linux/msg.h |    2 +-
 include/linux/sem.h |    2 +-
 ipc/msg.c           |    3 ++-
 ipc/sem.c           |    3 ++-
 ipc/shm.c           |    3 ++-
 5 files changed, 8 insertions(+), 5 deletions(-)

commit 6591e1a526c544936975cd3515d8def09e8026f0
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Nov 3 19:36:05 2015 -0500

    Properly fix the PCI sysfs node check that was recently improperly fixed
    upstream (it's under CAP_SYS_ADMIN so it's not really serious)
    Reported by Mathias Krause

 drivers/pci/pci-sysfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit ece03d4d07f29634687b2ea5edb7cab23888cff3
Merge: 715e674 7755256
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 2 21:32:10 2015 -0500

    Merge branch 'pax-test' into grsec-test

commit 775525660a6353feb261ad6232f6acbc23826bf4
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 2 21:31:21 2015 -0500

    Update to pax-linux-4.2.5-test17.patch:
    - Emese fixed a bunch of size overflow reports:
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4290
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4291
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4288
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4285
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4283
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4287
      - https://forums.grsecurity.net/viewtopic.php?f=3&t=4289
      - https://bugs.archlinux.org/task/46798
    - fixed the x86 fpu code some more, reported by spender and others (https://bugs.gentoo.org/show_bug.cgi?id=563804, https://bugs.archlinux.org/task/46764)

 arch/x86/include/asm/fpu/internal.h                |    4 +-
 arch/x86/kernel/fpu/core.c                         |    2 +-
 arch/x86/kernel/process.c                          |    3 +-
 arch/x86/kernel/process_64.c                       |    6 +-
 drivers/usb/class/cdc-acm.h                        |    2 +-
 drivers/video/console/fbcon.c                      |    2 +-
 fs/dlm/lowcomms.c                                  |    2 +-
 include/linux/usb.h                                |    8 +-
 .../disable_size_overflow_hash.data                |   15 +-
 .../size_overflow_plugin/intentional_overflow.c    |    3 +
 .../size_overflow_plugin/size_overflow_hash.data   |  373 ++++++++++++++++----
 tools/gcc/size_overflow_plugin/size_overflow_ipa.c |    3 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 13 files changed, 329 insertions(+), 96 deletions(-)

commit 715e674a838f08748044bce459380762e9c1cd29
Author: Sasha Levin <sasha.levin@oracle.com>
Date:   Wed Oct 7 11:03:28 2015 -0500

    PCI: Prevent out of bounds access in numa_node override
    
    63692df103e9 ("PCI: Allow numa_node override via sysfs") didn't check that
    the numa node provided by userspace is valid.  Passing a node number too
    high would attempt to access invalid memory and trigger a kernel panic.
    
    Fixes: 63692df103e9 ("PCI: Allow numa_node override via sysfs")
    Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
    Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
    CC: stable@vger.kernel.org	# v3.19+

 drivers/pci/pci-sysfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 6abe1bb892fe394df80dd4267a8bd2874d537e4e
Author: David Howells <dhowells@redhat.com>
Date:   Fri Sep 18 11:45:12 2015 +0100

    ovl: use O_LARGEFILE in ovl_copy_up()
    
    Open the lower file with O_LARGEFILE in ovl_copy_up().
    
    Pass O_LARGEFILE unconditionally in ovl_copy_up_data() as it's purely for
    catching 32-bit userspace dealing with a file large enough that it'll be
    mishandled if the application isn't aware that there might be an integer
    overflow.  Inside the kernel, there shouldn't be any problems.
    
    Reported-by: Ulrich Obergfell <uobergfe@redhat.com>
    Signed-off-by: David Howells <dhowells@redhat.com>
    Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
    Cc: <stable@vger.kernel.org> # v3.18+

 fs/overlayfs/copy_up.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit bf5e23398e4a82e28fe0801337a4b78ca951a1d9
Author: David Howells <dhowells@redhat.com>
Date:   Fri Sep 18 11:45:22 2015 +0100

    ovl: fix dentry reference leak
    
    In ovl_copy_up_locked(), newdentry is leaked if the function exits through
    out_cleanup as this just to out after calling ovl_cleanup() - which doesn't
    actually release the ref on newdentry.
    
    The out_cleanup segment should instead exit through out2 as certainly
    newdentry leaks - and possibly upper does also, though this isn't caught
    given the catch of newdentry.
    
    Without this fix, something like the following is seen:
    
    	BUG: Dentry ffff880023e9eb20{i=f861,n=#ffff880023e82d90} still in use (1) [unmount of tmpfs tmpfs]
    	BUG: Dentry ffff880023ece640{i=0,n=bigfile}  still in use (1) [unmount of tmpfs tmpfs]
    
    when unmounting the upper layer after an error occurred in copyup.
    
    An error can be induced by creating a big file in a lower layer with
    something like:
    
    	dd if=/dev/zero of=/lower/a/bigfile bs=65536 count=1 seek=$((0xf000))
    
    to create a large file (4.1G).  Overlay an upper layer that is too small
    (on tmpfs might do) and then induce a copy up by opening it writably.
    
    Reported-by: Ulrich Obergfell <uobergfe@redhat.com>
    Signed-off-by: David Howells <dhowells@redhat.com>
    Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
    Cc: <stable@vger.kernel.org> # v3.18+

 fs/overlayfs/copy_up.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit da93976d3355abae09d9fd6a68e7dea77ed619d1
Author: Miklos Szeredi <miklos@szeredi.hu>
Date:   Mon Oct 12 15:56:20 2015 +0200

    ovl: fix open in stacked overlay
    
    If two overlayfs filesystems are stacked on top of each other, then we need
    recursion in ovl_d_select_inode().
    
    I guess d_backing_inode() is supposed to do that.  But currently it doesn't
    and that functionality is open coded in vfs_open().  This is now copied
    into ovl_d_select_inode() to fix this regression.
    
    Reported-by: Alban Crequy <alban.crequy@gmail.com>
    Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
    Fixes: 4bacc9c9234c ("overlayfs: Make f_path always point to the overlay...")
    Cc: David Howells <dhowells@redhat.com>
    Cc: <stable@vger.kernel.org> # v4.2+

 fs/overlayfs/inode.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit 0ddd9cf6149717882b81c946149bf55332d763ae
Author: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Date:   Mon Aug 24 15:57:18 2015 +0300

    ovl: free stack of paths in ovl_fill_super
    
    This fixes small memory leak after mount.
    
    Kmemleak report:
    
    unreferenced object 0xffff88003683fe00 (size 16):
      comm "mount", pid 2029, jiffies 4294909563 (age 33.380s)
      hex dump (first 16 bytes):
        20 27 1f bb 00 88 ff ff 40 4b 0f 36 02 88 ff ff   '......@K.6....
      backtrace:
        [<ffffffff811f8cd4>] create_object+0x124/0x2c0
        [<ffffffff817a059b>] kmemleak_alloc+0x7b/0xc0
        [<ffffffff811dffe6>] __kmalloc+0x106/0x340
        [<ffffffffa01b7a29>] ovl_fill_super+0x389/0x9a0 [overlay]
        [<ffffffff81200ac4>] mount_nodev+0x54/0xa0
        [<ffffffffa01b7118>] ovl_mount+0x18/0x20 [overlay]
        [<ffffffff81201ab3>] mount_fs+0x43/0x170
        [<ffffffff81220d34>] vfs_kern_mount+0x74/0x170
        [<ffffffff812233ad>] do_mount+0x22d/0xdf0
        [<ffffffff812242cb>] SyS_mount+0x7b/0xc0
        [<ffffffff817b6bee>] entry_SYSCALL_64_fastpath+0x12/0x76
        [<ffffffffffffffff>] 0xffffffffffffffff
    
    Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
    Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
    Fixes: a78d9f0d5d5c ("ovl: support multiple lower layers")
    Cc: <stable@vger.kernel.org> # v4.0+

 fs/overlayfs/super.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit b86575c9973b9ad55d659fd8a6be8f864435ad0e
Author: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Date:   Mon Aug 24 15:57:19 2015 +0300

    ovl: free lower_mnt array in ovl_put_super
    
    This fixes memory leak after umount.
    
    Kmemleak report:
    
    unreferenced object 0xffff8800ba791010 (size 8):
      comm "mount", pid 2394, jiffies 4294996294 (age 53.920s)
      hex dump (first 8 bytes):
        20 1c 13 02 00 88 ff ff                           .......
      backtrace:
        [<ffffffff811f8cd4>] create_object+0x124/0x2c0
        [<ffffffff817a059b>] kmemleak_alloc+0x7b/0xc0
        [<ffffffff811dffe6>] __kmalloc+0x106/0x340
        [<ffffffffa0152bfc>] ovl_fill_super+0x55c/0x9b0 [overlay]
        [<ffffffff81200ac4>] mount_nodev+0x54/0xa0
        [<ffffffffa0152118>] ovl_mount+0x18/0x20 [overlay]
        [<ffffffff81201ab3>] mount_fs+0x43/0x170
        [<ffffffff81220d34>] vfs_kern_mount+0x74/0x170
        [<ffffffff812233ad>] do_mount+0x22d/0xdf0
        [<ffffffff812242cb>] SyS_mount+0x7b/0xc0
        [<ffffffff817b6bee>] entry_SYSCALL_64_fastpath+0x12/0x76
        [<ffffffffffffffff>] 0xffffffffffffffff
    
    Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
    Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
    Fixes: dd662667e6d3 ("ovl: add mutli-layer infrastructure")
    Cc: <stable@vger.kernel.org> # v4.0+

 fs/overlayfs/super.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 9f49b5376fae99cd590d13726e2633bc0a53b6db
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Nov 1 17:09:15 2015 -0800

    mm: get rid of 'vmalloc_info' from /proc/meminfo
    
    It turns out that at least some versions of glibc end up reading
    /proc/meminfo at every single startup, because glibc wants to know the
    amount of memory the machine has.  And while that's arguably insane,
    it's just how things are.
    
    And it turns out that it's not all that expensive most of the time, but
    the vmalloc information statistics (amount of virtual memory used in the
    vmalloc space, and the biggest remaining chunk) can be rather expensive
    to compute.
    
    The 'get_vmalloc_info()' function actually showed up on my profiles as
    4% of the CPU usage of "make test" in the git source repository, because
    the git tests are lots of very short-lived shell-scripts etc.
    
    It turns out that apparently this same silly vmalloc info gathering
    shows up on the facebook servers too, according to Dave Jones.  So it's
    not just "make test" for git.
    
    We had two patches to just cache the information (one by me, one by
    Ingo) to mitigate this issue, but the whole vmalloc information of of
    rather dubious value to begin with, and people who *actually* want to
    know what the situation is wrt the vmalloc area should just look at the
    much more complete /proc/vmallocinfo instead.
    
    In fact, according to my testing - and perhaps more importantly,
    according to that big search engine in the sky: Google - there is
    nothing out there that actually cares about those two expensive fields:
    VmallocUsed and VmallocChunk.
    
    So let's try to just remove them entirely.  Actually, this just removes
    the computation and reports the numbers as zero for now, just to try to
    be minimally intrusive.
    
    If this breaks anything, we'll obviously have to re-introduce the code
    to compute this all and add the caching patches on top.  But if given
    the option, I'd really prefer to just remove this bad idea entirely
    rather than add even more code to work around our historical mistake
    that likely nobody really cares about.
    
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 fs/proc/meminfo.c       |    7 ++-----
 include/linux/vmalloc.h |   12 ------------
 mm/vmalloc.c            |   47 -----------------------------------------------
 3 files changed, 2 insertions(+), 64 deletions(-)

commit 66425129a550275398f886498d957284539bb331
Author: Marek Vasut <marex@denx.de>
Date:   Fri Oct 30 13:48:19 2015 +0100

    can: Use correct type in sizeof() in nla_put()
    
    The sizeof() is invoked on an incorrect variable, likely due to some
    copy-paste error, and this might result in memory corruption. Fix this.
    
    Signed-off-by: Marek Vasut <marex@denx.de>
    Cc: Wolfgang Grandegger <wg@grandegger.com>
    Cc: netdev@vger.kernel.org
    Cc: linux-stable <stable@vger.kernel.org>
    Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

 drivers/net/can/dev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 8c8e802a86f8faf2519710db043339e1cc953bc4
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 2 17:20:52 2015 -0500

    Fix the FPU code properly by copying the dynamically-sized FPU state on
    each clone of the task struct, making it equivalent to the new FPU-in-task-struct code
    
    Fix is from the PaX Team

 arch/x86/kernel/process.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

commit 036bc2e2231c76f7eb470bfef67b6bc26187aeae
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Nov 2 17:19:43 2015 -0500

    Revert the forced eagerfpu since it's now fixed properly

 arch/x86/kernel/fpu/init.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

commit a08ab82bcf321704f6a228c7924b860510c6d610
Author: Carol L Soto <clsoto@linux.vnet.ibm.com>
Date:   Tue Oct 27 17:36:20 2015 +0200

    net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
    
    When doing memcpy/memset of EQEs, we should use sizeof struct
    mlx4_eqe as the base size and not caps.eqe_size which could be bigger.
    
    If caps.eqe_size is bigger than the struct mlx4_eqe then we corrupt
    data in the master context.
    
    When using a 64 byte stride, the memcpy copied over 63 bytes to the
    slave_eq structure.  This resulted in copying over the entire eqe of
    interest, including its ownership bit -- and also 31 bytes of garbage
    into the next WQE in the slave EQ -- which did NOT include the ownership
    bit (and therefore had no impact).
    
    However, once the stride is increased to 128, we are overwriting the
    ownership bits of *three* eqes in the slave_eq struct.  This results
    in an incorrect ownership bit for those eqes, which causes the eq to
    seem to be full. The issue therefore surfaced only once 128-byte EQEs
    started being used in SRIOV and (overarchitectures that have 128/256
    byte cache-lines such as PPC) - e.g after commit 77507aa249ae
    "net/mlx4_core: Enable CQE/EQE stride support".
    
    Fixes: 08ff32352d6f ('mlx4: 64-byte CQE/EQE support')
    Signed-off-by: Carol L Soto <clsoto@linux.vnet.ibm.com>
    Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
    Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 drivers/net/ethernet/mellanox/mlx4/cmd.c |    2 +-
 drivers/net/ethernet/mellanox/mlx4/eq.c  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

commit 811ab3b52935612def289efa5e9e2aa973f16f26
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Wed Oct 28 13:21:04 2015 +0100

    ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues
    
    Raw sockets with hdrincl enabled can insert ipv6 extension headers
    right into the data stream. In case we need to fragment those packets,
    we reparse the options header to find the place where we can insert
    the fragment header. If the extension headers exceed the link's MTU we
    actually cannot make progress in such a case.
    
    Instead of ending up in broken arithmetic or rounding towards 0 and
    entering an endless loop in ip6_fragment, just prevent those cases by
    aborting early and signal -EMSGSIZE to user space.
    
    This is the second version of the patch which doesn't use the
    overflow_usub function, which got reverted for now.
    
    Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Cc: Dmitry Vyukov <dvyukov@google.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/ipv6/ip6_output.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

commit f074980442c7c3ff4a75c711ff18204dfb4131b8
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 29 18:19:02 2015 -0400

    Revert "ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues"
    
    This reverts commit 18d5034650b637ec479f41d98e3912398b3e3efc.

 net/ipv6/ip6_output.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

commit 53e629c2d13ed09f4c889925482606f82a65bd1d
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 29 18:18:55 2015 -0400

    Revert "overflow-arith: begin to add support for overflow builtin functions"
    
    This reverts commit cfd0008de8db38841f7f06b979482900994717b9.
    
    Conflicts:
    
    	include/linux/compiler-gcc.h

 include/linux/compiler-gcc.h   |    4 ----
 include/linux/overflow-arith.h |   18 ------------------
 2 files changed, 0 insertions(+), 22 deletions(-)

commit 225122602b5b7fd58ec5c2a4a1a4a9a29fe7a02a
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 29 09:00:11 2015 -0400

    Update size_overflow plugin

 .../size_overflow_plugin/intentional_overflow.c    |    3 +++
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)

commit 2bf85cb1c3df45d59d8b59aeacf63cbbee360175
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 29 08:52:07 2015 -0400

    Temporarily disable the builtin_overflow again as the kernexec plugin also has problems with it

 include/linux/compiler-gcc.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit a41c8c4d880b6005e874bf5440e24713da8483cd
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 28 19:28:30 2015 -0400

    temporarily work around issue with the dynamic FPU state and lazy FPU mode
    upstream configures FPU mode based on the eagerfpu variable before it's ever actually
    set by the commandline parser (so eagerfpu= on the commandline has no effect)

 arch/x86/kernel/fpu/init.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit 8452f9d5cfabda9228496050a16bc8728c0ebbb7
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 28 19:25:55 2015 -0400

    Remove/reorder some code due to the reverting of the FPU-state-in-task_struct code

 arch/x86/include/asm/fpu/types.h |   69 ++++++++++++++++++--------------------
 arch/x86/include/asm/processor.h |   10 ++----
 arch/x86/kernel/fpu/init.c       |   20 -----------
 include/linux/sched.h            |    4 +-
 4 files changed, 38 insertions(+), 65 deletions(-)

commit c2127bd4215f8f02a1391bef3bde55d0bb1c19bc
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 27 23:38:11 2015 -0400

    fix typo

 tools/gcc/size_overflow_plugin/size_overflow_ipa.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit c588def7b5713c31fef2b848bfebf0d727791b82
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 27 21:09:04 2015 -0400

    remove the PAGE_SIZE padding from fpregs_state since it's not included as part
    of the task struct

 arch/x86/include/asm/fpu/types.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

commit 3bd1e5915353fee1f347577f0e80d925910695f9
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date:   Mon Oct 19 18:23:57 2015 +0800

    crypto: api - Only abort operations on fatal signal
    
    Currently a number of Crypto API operations may fail when a signal
    occurs.  This causes nasty problems as the caller of those operations
    are often not in a good position to restart the operation.
    
    In fact there is currently no need for those operations to be
    interrupted by user signals at all.  All we need is for them to
    be killable.
    
    This patch replaces the relevant calls of signal_pending with
    fatal_signal_pending, and wait_for_completion_interruptible with
    wait_for_completion_killable, respectively.
    
    Cc: stable@vger.kernel.org
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

 crypto/ablkcipher.c  |    2 +-
 crypto/algapi.c      |    2 +-
 crypto/api.c         |    6 +++---
 crypto/crypto_user.c |    2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

commit 2b278f02de77bd3d0ffb4c64bc56b702d4e27e49
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 27 18:02:42 2015 -0400

    Update a comment

 arch/x86/include/asm/fpu/internal.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 66cbab70d87485c22946485bfd375c3e88140213
Merge: cad84c5 8610c94
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 27 07:44:23 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit 8610c949a76ac2a09b334f41c35cb8e7a04a0ce8
Merge: a851b41 f69d603
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 27 07:44:14 2015 -0400

    Merge branch 'linux-4.2.y' into pax-test

commit cad84c52f547c8ba47ddcf39d1f260f55350f0c2
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 26 07:33:21 2015 -0400

    re-enable builtin_overflow support

 include/linux/compiler-gcc.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

commit 6e281aebbf456c27ce530055d5668bc5829c02a8
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 26 07:32:15 2015 -0400

    Update the size_overflow plugin from Emese to fix the ICE on builtin_overflow use

 tools/gcc/size_overflow_plugin/size_overflow_ipa.c |    3 ++-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

commit 75ed97df02fc6eb862df511da6ca690de3d0f15c
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 26 07:17:00 2015 -0400

    Fix from Emese for a size_overflow report in the fbcon code on the
    'softback_lines' global variable

 drivers/video/console/fbcon.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit b088cabd42c6fe825baa27f40ab450ad75e571d3
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 18:09:55 2015 -0400

    Temporarily work around an ICE on GCC >= 5 reported by Daniel Micay due to
    backporting of __builtin_usub_overflow

 include/linux/compiler-gcc.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

commit ba858f46865c6751af3ddba03b176e4d5ecf85c1
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 17:59:17 2015 -0400

    Update size_overflow hash table

 .../disable_size_overflow_hash.data                |    7 +++++++
 .../size_overflow_plugin/size_overflow_hash.data   |    9 +--------
 2 files changed, 8 insertions(+), 8 deletions(-)

commit ba803bceaea0283b38e91c1d3176bf0671786269
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 15:31:17 2015 -0400

    Fix oversight in pipacs' removal of FPU state from the task struct:
    fpu_copy was performing an OOB copy starting from the address of the 'state'
    pointer in the fpu struct instead of starting from the address pointed
    to by the state pointer.  Reported at:
    https://bugs.archlinux.org/task/46764

 arch/x86/include/asm/fpu/internal.h |    4 ++--
 arch/x86/kernel/fpu/core.c          |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

commit 26e7d31c5b5c970c50297d2b8be165e9c9ab9d83
Merge: 85d8735 a851b41
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 13:39:21 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit a851b41415a0402d76f10712b6950ddff3872a22
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 13:38:25 2015 -0400

    Update to latest size_overflow plugin release:
    Temporarily ignore bitfield types: https://bugs.archlinux.org/task/46798
    Use SI or wider type for the size_overflow type: https://forums.grsecurity.net/viewtopic.php?t=4293&p=15655#p15655

 .../size_overflow_plugin/intentional_overflow.c    |    3 +++
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 .../size_overflow_plugin/size_overflow_transform.c |    7 +++++++
 .../size_overflow_transform_core.c                 |    2 --
 4 files changed, 11 insertions(+), 3 deletions(-)

commit 85d8735a1d1190e3ad2e3f032ae88f811090fdfc
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 13:01:32 2015 -0400

    fpu doesn't live on the task_struct with PaX, so don't even bother computing some task_size
    variable that isn't used for anything

 arch/x86/kernel/fpu/init.c |   14 --------------
 1 files changed, 0 insertions(+), 14 deletions(-)

commit cfd0008de8db38841f7f06b979482900994717b9
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Fri Oct 16 11:32:42 2015 +0200

    overflow-arith: begin to add support for overflow builtin functions
    
    The idea of the overflow-arith.h header is to collect overflow checking
    functions in one central place.
    
    If gcc compiler supports the __builtin_overflow_* builtins we use them
    because they might give better performance, otherwise the code falls
    back to normal overflow checking functions.
    
    The builtin_overflow functions are supported by gcc-5 and clang. The
    matter of supporting clang is to just provide a corresponding
    CC_HAVE_BUILTIN_OVERFLOW, because the specific overflow checking builtins
    don't differ between gcc and clang.
    
    I just provide overflow_usub function here as I intend this to get merged
    into net, more functions will definitely follow as they are needed.
    
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 include/linux/compiler-gcc.h   |    4 ++++
 include/linux/overflow-arith.h |   18 ++++++++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)

commit 18d5034650b637ec479f41d98e3912398b3e3efc
Author: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date:   Fri Oct 16 11:32:43 2015 +0200

    ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues
    
    Raw sockets with hdrincl enabled can insert ipv6 extension headers
    right into the data stream. In case we need to fragment those packets,
    we reparse the options header to find the place where we can insert
    the fragment header. If the extension headers exceed the link's MTU we
    actually cannot make progress in such a case.
    
    Instead of ending up in broken arithmetic or rounding towards 0 and
    entering an endless loop in ip6_fragment, just prevent those cases by
    aborting early and signal -EMSGSIZE to user space.
    
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Cc: Dmitry Vyukov <dvyukov@google.com>
    Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/ipv6/ip6_output.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

commit 0e1d1c0f1981b4049a70d23dce4c69daf19f020b
Merge: c81314c 9470e78
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 11:51:44 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit 9470e7893a9a1bf15f9b7d412dc09bebb59105e8
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 25 11:50:54 2015 -0400

    Temporary squelching of overflow warning on skb_transport_offset(), will be fixed properly after H2HC

 include/linux/skbuff.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit c81314ce278e9cfa3322881a6133c2c7e53b9430
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 24 23:13:36 2015 -0400

    Update recordmcount/fixdep paths in RPM spec, from Andrew

 scripts/package/mkspec |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

commit 798e4296bd55778b5e77f1db69c1bb972419590f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 24 23:11:22 2015 -0400

    Update size_overflow hash table

 .../disable_size_overflow_hash.data                |    3 +++
 .../size_overflow_plugin/size_overflow_hash.data   |    5 +----
 2 files changed, 4 insertions(+), 4 deletions(-)

commit d9ef04f20fc634595883d1c1950c32a8fe04df22
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 24 08:27:29 2015 -0400

    Fix from Emese for https://forums.grsecurity.net/viewtopic.php?f=3&t=4291

 drivers/usb/class/cdc-acm.h |    2 +-
 include/linux/usb.h         |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

commit eea46f1d247f5f63e3762da91a41cba76567800f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 23 18:24:57 2015 -0400

    Update size_overflow hash tables

 .../disable_size_overflow_hash.data                |    5 ++++-
 .../size_overflow_plugin/size_overflow_hash.data   |    5 +----
 2 files changed, 5 insertions(+), 5 deletions(-)

commit 8f521b864bd7428f3ad42613416c106d1d619c4d
Merge: 26adf00 285f0d1
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 22 19:41:57 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	drivers/gpu/drm/drm_lock.c

commit 285f0d1cda31b45ee217b90861677c032cb6550b
Merge: d6dc25f 190bd21
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 22 19:40:34 2015 -0400

    Merge branch 'linux-4.2.y' into pax-test
    
    Conflicts:
    	arch/x86/kernel/process_64.c

commit 26adf00caf8f4ebf155422082d4e8b8e4eb60eef
Author: Eric W. Biederman <ebiederm@xmission.com>
Date:   Sat Aug 15 13:36:12 2015 -0500

    dcache: Handle escaped paths in prepend_path
    
    A rename can result in a dentry that by walking up d_parent
    will never reach it's mnt_root.  For lack of a better term
    I call this an escaped path.
    
    prepend_path is called by four different functions __d_path,
    d_absolute_path, d_path, and getcwd.
    
    __d_path only wants to see paths are connected to the root it passes
    in.  So __d_path needs prepend_path to return an error.
    
    d_absolute_path similarly wants to see paths that are connected to
    some root.  Escaped paths are not connected to any mnt_root so
    d_absolute_path needs prepend_path to return an error greater
    than 1.  So escaped paths will be treated like paths on lazily
    unmounted mounts.
    
    getcwd needs to prepend "(unreachable)" so getcwd also needs
    prepend_path to return an error.
    
    d_path is the interesting hold out.  d_path just wants to print
    something, and does not care about the weird cases.  Which raises
    the question what should be printed?
    
    Given that <escaped_path>/<anything> should result in -ENOENT I
    believe it is desirable for escaped paths to be printed as empty
    paths.  As there are not really any meaninful path components when
    considered from the perspective of a mount tree.
    
    So tweak prepend_path to return an empty path with an new error
    code of 3 when it encounters an escaped path.
    
    Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

 fs/dcache.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

commit d402147a7689356c29bfd46a7cfa6594e517ab95
Author: Salva Peiró <speirofr@gmail.com>
Date:   Wed Oct 14 17:48:02 2015 +0200

    staging/dgnc: fix info leak in ioctl
    
    The dgnc_mgmt_ioctl() code fails to initialize the 16 _reserved bytes of
    struct digi_dinfo after the ->dinfo_nboards member. Add an explicit
    memset(0) before filling the structure to avoid the info leak.
    
    Signed-off-by: Salva Peiró <speirofr@gmail.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/staging/dgnc/dgnc_mgmt.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit bafc510c4fb4e8a5e69531fdc3a733e58c4bbdbf
Author: Salva Peiró <speirofr@gmail.com>
Date:   Wed Oct 7 07:09:26 2015 -0300

    [media] media/vivid-osd: fix info leak in ioctl
    
    The vivid_fb_ioctl() code fails to initialize the 16 _reserved bytes of
    struct fb_vblank after the ->hcount member. Add an explicit
    memset(0) before filling the structure to avoid the info leak.
    
    Signed-off-by: Salva Peiró <speirofr@gmail.com>
    Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
    Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

 drivers/media/platform/vivid/vivid-osd.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 980a903796ae06366fd5acbcd179ee2dc57fbabf
Author: David Howells <dhowells@redhat.com>
Date:   Mon Oct 19 11:20:28 2015 +0100

    KEYS: Don't permit request_key() to construct a new keyring
    
    If request_key() is used to find a keyring, only do the search part - don't
    do the construction part if the keyring was not found by the search.  We
    don't really want keyrings in the negative instantiated state since the
    rejected/negative instantiation error value in the payload is unioned with
    keyring metadata.
    
    Now the kernel gives an error:
    
    	request_key("keyring", "#selinux,bdekeyring", "keyring", KEY_SPEC_USER_SESSION_KEYRING) = -1 EPERM (Operation not permitted)
    
    Signed-off-by: David Howells <dhowells@redhat.com>

 security/keys/request_key.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit f705c157ed6f8a9c4c0cf552fd5f054d9d500550
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date:   Mon Oct 19 13:16:49 2015 +0300

    irda: precedence bug in irlmp_seq_hb_idx()
    
    This is decrementing the pointer, instead of the value stored in the
    pointer.  KASan detects it as an out of bounds reference.
    
    Reported-by: "Berry Cheng 程君(成淼)" <chengmiao.cj@alibaba-inc.com>
    Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/irda/irlmp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 4a110451298bfce895ed224e6bbd9201d8605b2b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 20 19:25:13 2015 -0400

    Ratelimit the dump_stack as well, both to 15s with a burst of 3, enough not to completely
    flood syslog

 fs/exec.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

commit 183fc2ae7d90e077fd27623998d82916260a2223
Merge: a240939 d6dc25f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 20 19:16:04 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	tools/gcc/size_overflow_plugin/size_overflow_plugin.c

commit d6dc25f193a832e08d8e7cf097d7f70b3dc24776
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 20 19:14:41 2015 -0400

    Update to pax-linux-4.2.3-test16.patch:
    - fixed undefined integer shift in proc_do_submiturb, reported by Arnaud <arnaud@drno.eu>
    - fixed integer underflow in scm_detach_fds (similar to 1ac70e7ad24a88710cf9b6d7ababaefa2b575df0 upstream), reported by kdave (https://forums.grsecurity.net/viewtopic.php?f=1&t=4286)
    - Emese added a temporary workaround for miscompiling the ath10k driver, reported by victor
    - Emese fixed a false positive that affected the iwlwifi driver among others, reported by victor
    - Emese disabled size overflow checking in acpi_ex_do_math_op and on acpi_object_integer, reported by xxterry1xx and rfnx (https://forums.grsecurity.net/viewtopic.php?f=3&t=4287)

 drivers/net/wireless/ath/ath10k/ce.c               |    2 +-
 drivers/usb/core/devio.c                           |    2 +-
 fs/dlm/lowcomms.c                                  |    2 +-
 net/core/scm.c                                     |    6 ++-
 .../disable_size_overflow_hash.data                |    4 +-
 .../size_overflow_plugin/intentional_overflow.c    |   44 --------------------
 tools/gcc/size_overflow_plugin/size_overflow.h     |    1 -
 .../size_overflow_plugin/size_overflow_hash.data   |    4 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    4 +-
 .../size_overflow_plugin/size_overflow_transform.c |    3 -
 .../size_overflow_transform_core.c                 |    6 +++
 11 files changed, 19 insertions(+), 59 deletions(-)

commit a2409394c2b0d97a9f02bf62ca4c0254602e58a6
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 20 08:58:25 2015 -0400

    set default to y

 security/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 3abe24117389419654da44adc87a9a03ad7e3f38
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 20 08:08:32 2015 -0400

    Add a new config option from Emese to allow SIZE_OVERFLOW to be enabled
    while having it not kill the userland process in an overflow condition.
    This will help us obtain reports over the next few weeks while not making
    some percentage of users' machines unusable.
    
    To enable this option, set CONFIG_PAX_SIZE_OVERFLOW_DISABLE_KILL=y in .config

 fs/exec.c                                          |    5 +++++
 security/Kconfig                                   |    4 ++++
 .../size_overflow_plugin/size_overflow_plugin.c    |    4 ++--
 3 files changed, 11 insertions(+), 2 deletions(-)

commit bcae982f720ce0b3463a81f2b72a4807cb89048b
Merge: 0e55d80 128d3a5
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 19 18:56:09 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit 128d3a5452ab001b29235b05eb0be3334fff3998
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 19 18:55:37 2015 -0400

    Update to pax-linux-4.2.3-test14.patch:
    - Emese fixed a false positive size overflow report, reported by gus (https://forums.grsecurity.net/viewtopic.php?t=4280)
    - fixed an integer sign mixup in usb_stor_invoke_transport, reported by Arnaud <arnaud@drno.eu>

 drivers/usb/storage/transport.c                    |    2 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 .../size_overflow_plugin/size_overflow_transform.c |   15 +++-
 .../size_overflow_transform_core.c                 |   90 ++++++++++++++-----
 4 files changed, 81 insertions(+), 28 deletions(-)

commit 0e55d80a65998266cab71804131a072fcc8ee558
Merge: a61fd15 9c4310f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 23:15:36 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit 9c4310fdb2d19f83affc62eb2698d3763ce8c36b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 23:15:13 2015 -0400

    Update to pax-linux-4.2.3-test14.patch:
    - reverted some page table hardening that caused too much slowdown under virtualization, reported by quasar366 (https://forums.grsecurity.net/viewtopic.php?f=3&t=4275)

 arch/x86/include/asm/pgtable-2level.h |   18 ++----------------
 arch/x86/include/asm/pgtable-3level.h |   10 ----------
 arch/x86/include/asm/pgtable_32.h     |    2 ++
 arch/x86/include/asm/pgtable_64.h     |   18 ++----------------
 arch/x86/mm/highmem_32.c              |    2 ++
 arch/x86/mm/init_64.c                 |    2 ++
 arch/x86/mm/iomap_32.c                |    4 ++++
 arch/x86/mm/pageattr.c                |    4 ++++
 arch/x86/mm/pgtable.c                 |    2 ++
 arch/x86/mm/pgtable_32.c              |    3 +++
 mm/highmem.c                          |    5 +++++
 mm/vmalloc.c                          |    7 +++++++
 12 files changed, 35 insertions(+), 42 deletions(-)

commit a61fd152e87bd3ed91194b07f6b1fcbcd165093b
Merge: 00f1afa db7a8e5
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 18:33:48 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit db7a8e5c284179889014b5929a40298e1b228fbc
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 18:33:22 2015 -0400

    Update to pax-linux-4.2.3-test13.patch:
    - Emese worked around a sign mixup with wiphy.rts_threshold, reported by gus (https://forums.grsecurity.net/viewtopic.php?f=3&t=4278)

 .../disable_size_overflow_hash.data                |    2 ++
 .../size_overflow_plugin/size_overflow_hash.data   |    2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

commit 00f1afa694317365e9bd6dc77d2e3e96ae3a68ec
Merge: 7098385 57dc21d
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 11:04:56 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit 57dc21d203a9fa1312a4abc608da5b3644d29078
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 17 11:04:34 2015 -0400

    Update to pax-linux-4.2.3-test12.patch:
    - removed size_overflow_hash.data.prev that was left behind by accident
    - Emese fixed a false positive overflow report in the megaraid driver due to a gcc limitation, reported by vortex (https://forums.grsecurity.net/viewtopic.php?f=3&t=4277)

 drivers/scsi/megaraid/megaraid_sas.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 7098385851c43dea6692508c71cd5fbcce3187b2
Merge: bc6d23e 78b0f64
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 16 17:45:06 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	tools/gcc/size_overflow_plugin/intentional_overflow.c

commit 78b0f643d8d2b870e8ad5df075d4ab79befa4266
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 16 17:44:18 2015 -0400

    Update to pax-linux-4.2.3-test11.patch:
    - Emese fixed a few false positives caused by error codes
    - simplified the switch_mm code on x86 a bit

 arch/x86/include/asm/mmu_context.h                 |  118 +++++--------
 include/drm/drm_mm.h                               |    2 +-
 .../size_overflow_plugin/intentional_overflow.c    |   11 +-
 tools/gcc/size_overflow_plugin/size_overflow.h     |   19 ++-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 .../size_overflow_plugin/size_overflow_transform.c |  178 +++++++++-----------
 .../size_overflow_transform_core.c                 |   31 ++--
 7 files changed, 169 insertions(+), 192 deletions(-)

commit bc6d23e3408e389f8a96134f6bc915e9fc8b370b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 16 17:28:54 2015 -0400

    Update rpm devel spec, thanks to Andrew

 scripts/package/mkspec |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit b3f30cb9207a72a6aa4a78f23f8c5353be0bb27b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 15 20:10:56 2015 -0400

    disable tracing support with GRKERNSEC_KMEM (it forces debugfs support on)

 kernel/trace/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 82a0c12587f14add438ddf3b558e2278fcb7a387
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 15 19:19:43 2015 -0400

    Force DEBUG_FS off the hard way, since 'select' can cause it to be
    inadvertently enabled.  Add a backup check that fails the build if
    GRKERNSEC_KMEM is enabled with DEBUG_FS
    Ditto for PROC_PAGE_MONITOR

 arch/arc/Kconfig                       |    1 +
 arch/arm/Kconfig.debug                 |    1 +
 arch/arm64/Kconfig.debug               |    1 +
 arch/blackfin/Kconfig.debug            |    1 +
 arch/s390/Kconfig.debug                |    1 +
 arch/x86/Kconfig.debug                 |    2 ++
 drivers/iommu/Kconfig                  |    1 +
 drivers/md/bcache/Kconfig              |    1 +
 drivers/net/wireless/ath/ath9k/Kconfig |    1 -
 include/linux/grsecurity.h             |    6 ++++++
 init/Kconfig                           |    1 +
 kernel/trace/Kconfig                   |    2 ++
 lib/Kconfig.debug                      |    6 +++++-
 mm/Kconfig                             |    3 +++
 net/sunrpc/Kconfig                     |    1 +
 15 files changed, 27 insertions(+), 2 deletions(-)

commit 1b6f8fc8b8100292647638c713326776a0865705
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 15 17:58:59 2015 -0400

    Force DEBUG_FS off in the kernel config, even having it present is a security
    risk
    
    Conflicts:
    
    	lib/Kconfig.debug

 lib/Kconfig.debug |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit 21057fc30571f96aa46acf8922417311905d0f2b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 15 08:15:33 2015 -0400

    Backport fix from: https://patchwork.kernel.org/patch/6853351/
    The debug_read_tlb() uses the sprintf() functions directly on the buffer
    allocated by buf = kmalloc(count), without taking into account the size
    of the buffer, with the consequence corrupting the heap, depending on
    the count requested by the user.
    
    The patch fixes the issue replacing sprintf() by seq_printf().
    
    Signed-off-by: Salva Peiró <speirofr@gmail.com>

 drivers/iommu/omap-iommu-debug.c |   26 +++++++-------------------
 drivers/iommu/omap-iommu.c       |   28 +++++++++++-----------------
 drivers/iommu/omap-iommu.h       |    3 +--
 3 files changed, 19 insertions(+), 38 deletions(-)

commit ba936d19274485bad900a69d679878a50faa50aa
Author: Joe Perches <joe@perches.com>
Date:   Wed Oct 14 01:09:40 2015 -0700

    ethtool: Use kcalloc instead of kmalloc for ethtool_get_strings
    
    It seems that kernel memory can leak into userspace by a
    kmalloc, ethtool_get_strings, then copy_to_user sequence.
    
    Avoid this by using kcalloc to zero fill the copied buffer.
    
    Signed-off-by: Joe Perches <joe@perches.com>
    Acked-by: Ben Hutchings <ben@decadent.org.uk>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/core/ethtool.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit bae0a8209962cede6a0d486cf2414cac1747f91b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 19:54:27 2015 -0400

    Update size_overflow hash table

 .../size_overflow_plugin/size_overflow_hash.data   |   53 +++++++++++++++++--
 1 files changed, 47 insertions(+), 6 deletions(-)

commit 1d840cc98b8f9b62d3c906ae24385f79c9131e29
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 19:50:48 2015 -0400

    Update size_overflow hash table

 .../size_overflow_plugin/size_overflow_hash.data   |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

commit fca9b7af6aebd1d80f364d6d849470e917919004
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 19:47:21 2015 -0400

    Update size_overflow hash table

 .../size_overflow_plugin/size_overflow_hash.data   |  300 ++++++++++++++++----
 1 files changed, 244 insertions(+), 56 deletions(-)

commit 07cadc277ba83222698c99091c7da2c28275981f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 19:39:44 2015 -0400

    squelch some informational messages only used by Emese

 .../size_overflow_plugin/intentional_overflow.c    |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

commit 77eeeac20bde1e0ebd72efe0f7b5c52786411bc7
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 19:15:56 2015 -0400

    Re-enable size_overflow

 security/Kconfig |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

commit cb8efa1fd63be1bbcf5e585396cc0ed562d0c624
Merge: 913cbf6 4c48a7f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 17:14:42 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	tools/gcc/size_overflow_plugin/size_overflow_hash.data

commit 4c48a7fc8df9310f994708b42fe1102a2943917c
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 14 17:12:54 2015 -0400

    Update to pax-linux-4.2.3-test10.patch:
    - fixed accidentally dropped csum_partial_copy_generic_to_user entry point for pre-P6 i386 configs, by minipli
    - Emese fixed a bunch of false positives with the size overflow plugin, let's see how it goes in the real world :)

 arch/x86/include/asm/processor.h                   |    2 +-
 arch/x86/include/asm/ptrace.h                      |    8 +-
 arch/x86/lib/checksum_32.S                         |    2 +
 arch/x86/xen/mmu.c                                 |    2 +-
 drivers/ata/libahci.c                              |    2 +-
 drivers/i2c/busses/i2c-diolan-u2c.c                |    2 +-
 drivers/oprofile/oprofile_files.c                  |    2 +-
 drivers/spi/spidev.c                               |    2 +-
 drivers/tty/n_tty.c                                |    2 +-
 drivers/usb/core/message.c                         |    6 +-
 fs/binfmt_elf.c                                    |    2 +-
 fs/ubifs/io.c                                      |    2 +-
 include/drm/drm_mm.h                               |    2 +-
 include/linux/completion.h                         |   12 +-
 include/linux/jiffies.h                            |   10 +-
 include/linux/kernel.h                             |    2 +-
 include/linux/mm.h                                 |    2 +-
 include/linux/random.h                             |    4 +-
 include/linux/sched.h                              |    2 +-
 include/linux/usb.h                                |    2 +-
 kernel/sched/completion.c                          |    6 +-
 kernel/time/timer.c                                |    2 +-
 lib/bitmap.c                                       |    2 +-
 mm/internal.h                                      |    2 +-
 net/sunrpc/svcauth_unix.c                          |    2 +-
 .../disable_size_overflow_hash.data                |22980 +++++++++++---------
 .../insert_size_overflow_asm.c                     |    7 +
 .../size_overflow_plugin/intentional_overflow.c    |   10 +-
 tools/gcc/size_overflow_plugin/size_overflow.h     |   29 +-
 .../gcc/size_overflow_plugin/size_overflow_debug.c |   20 +-
 .../size_overflow_plugin/size_overflow_hash.data   |14092 ++++++++----
 tools/gcc/size_overflow_plugin/size_overflow_ipa.c |  252 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    2 +-
 .../size_overflow_plugin_hash.c                    |   13 +-
 .../size_overflow_plugin/size_overflow_transform.c |  205 +-
 .../size_overflow_transform_core.c                 |    4 +-
 36 files changed, 21958 insertions(+), 15740 deletions(-)

commit 913cbf6a23fcad570b776b1a5a71242b909c5c99
Author: Dave Kleikamp <dave.kleikamp@oracle.com>
Date:   Mon Oct 5 10:08:51 2015 -0500

    crypto: sparc - initialize blkcipher.ivsize
    
    Some of the crypto algorithms write to the initialization vector,
    but no space has been allocated for it. This clobbers adjacent memory.
    
    Cc: stable@vger.kernel.org
    Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

 arch/sparc/crypto/aes_glue.c      |    2 ++
 arch/sparc/crypto/camellia_glue.c |    1 +
 arch/sparc/crypto/des_glue.c      |    2 ++
 3 files changed, 5 insertions(+), 0 deletions(-)

commit 7af7ad1e287067b7ea659dc0dd3e2e355588e246
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Oct 13 08:03:51 2015 -0400

    Apply fix by Tejun Heo for upstream bug reported on the forums by Fuxino:
    https://forums.grsecurity.net/viewtopic.php?f=3&t=4276#p15570
    
    Probably made more easily reproducible via SANITIZE, but we won't know for
    sure without a full oops report.
    
    For some reason even though this patch was marked for 4.2+ stable over a month
    ago, it still hasn't hit Greg's tree.

 block/blk-cgroup.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit 8e1f29f9e1af36f71d12213ea6530eb77014c00c
Author: Dmitry Vyukov <dvyukov@google.com>
Date:   Thu Sep 17 17:17:10 2015 +0200

    tty: fix data race on tty_buffer.commit
    
    Race on buffer data happens when newly committed data is
    picked up by an old flush work in the following scenario:
    __tty_buffer_request_room does a plain write of tail->commit,
    no barriers were executed before that.
    At this point flush_to_ldisc reads this new value of commit,
    and reads buffer data, no barriers in between.
    The committed buffer data is not necessary visible to flush_to_ldisc.
    
    Similar bug happens when tty_schedule_flip commits data.
    
    Update commit with smp_store_release and read commit with
    smp_load_acquire, as it is commit that signals data readiness.
    This is orthogonal to the existing synchronization on tty_buffer.next,
    which is required to not dismiss a buffer with unconsumed data.
    
    The data race was found with KernelThreadSanitizer (KTSAN).
    
    Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
    Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/tty_buffer.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

commit d62db216e7182e24317596471c1a3a2a9fb9d1f5
Author: Peter Hurley <peter@hurleysoftware.com>
Date:   Sun Jul 12 20:50:49 2015 -0400

    tty: Replace smp_rmb/smp_wmb with smp_load_acquire/smp_store_release
    
    Clarify flip buffer producer/consumer operation; the use of
    smp_load_acquire() and smp_store_release() more clearly indicates
    which memory access requires a barrier.
    
    Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/tty_buffer.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

commit c6bbe8a6097f869b6a3d3c40d456727180573dd9
Author: Kosuke Tatsukawa <tatsu@ab.jp.nec.com>
Date:   Fri Oct 2 08:27:05 2015 +0000

    tty: fix stall caused by missing memory barrier in drivers/tty/n_tty.c
    
    My colleague ran into a program stall on a x86_64 server, where
    n_tty_read() was waiting for data even if there was data in the buffer
    in the pty.  kernel stack for the stuck process looks like below.
     #0 [ffff88303d107b58] __schedule at ffffffff815c4b20
     #1 [ffff88303d107bd0] schedule at ffffffff815c513e
     #2 [ffff88303d107bf0] schedule_timeout at ffffffff815c7818
     #3 [ffff88303d107ca0] wait_woken at ffffffff81096bd2
     #4 [ffff88303d107ce0] n_tty_read at ffffffff8136fa23
     #5 [ffff88303d107dd0] tty_read at ffffffff81368013
     #6 [ffff88303d107e20] __vfs_read at ffffffff811a3704
     #7 [ffff88303d107ec0] vfs_read at ffffffff811a3a57
     #8 [ffff88303d107f00] sys_read at ffffffff811a4306
     #9 [ffff88303d107f50] entry_SYSCALL_64_fastpath at ffffffff815c86d7
    
    There seems to be two problems causing this issue.
    
    First, in drivers/tty/n_tty.c, __receive_buf() stores the data and
    updates ldata->commit_head using smp_store_release() and then checks
    the wait queue using waitqueue_active().  However, since there is no
    memory barrier, __receive_buf() could return without calling
    wake_up_interactive_poll(), and at the same time, n_tty_read() could
    start to wait in wait_woken() as in the following chart.
    
            __receive_buf()                         n_tty_read()
    ------------------------------------------------------------------------
    if (waitqueue_active(&tty->read_wait))
    /* Memory operations issued after the
       RELEASE may be completed before the
       RELEASE operation has completed */
                                            add_wait_queue(&tty->read_wait, &wait);
                                            ...
                                            if (!input_available_p(tty, 0)) {
    smp_store_release(&ldata->commit_head,
                      ldata->read_head);
                                            ...
                                            timeout = wait_woken(&wait,
                                              TASK_INTERRUPTIBLE, timeout);
    ------------------------------------------------------------------------
    
    The second problem is that n_tty_read() also lacks a memory barrier
    call and could also cause __receive_buf() to return without calling
    wake_up_interactive_poll(), and n_tty_read() to wait in wait_woken()
    as in the chart below.
    
            __receive_buf()                         n_tty_read()
    ------------------------------------------------------------------------
                                            spin_lock_irqsave(&q->lock, flags);
                                            /* from add_wait_queue() */
                                            ...
                                            if (!input_available_p(tty, 0)) {
                                            /* Memory operations issued after the
                                               RELEASE may be completed before the
                                               RELEASE operation has completed */
    smp_store_release(&ldata->commit_head,
                      ldata->read_head);
    if (waitqueue_active(&tty->read_wait))
                                            __add_wait_queue(q, wait);
                                            spin_unlock_irqrestore(&q->lock,flags);
                                            /* from add_wait_queue() */
                                            ...
                                            timeout = wait_woken(&wait,
                                              TASK_INTERRUPTIBLE, timeout);
    ------------------------------------------------------------------------
    
    There are also other places in drivers/tty/n_tty.c which have similar
    calls to waitqueue_active(), so instead of adding many memory barrier
    calls, this patch simply removes the call to waitqueue_active(),
    leaving just wake_up*() behind.
    
    This fixes both problems because, even though the memory access before
    or after the spinlocks in both wake_up*() and add_wait_queue() can
    sneak into the critical section, it cannot go past it and the critical
    section assures that they will be serialized (please see "INTER-CPU
    ACQUIRING BARRIER EFFECTS" in Documentation/memory-barriers.txt for a
    better explanation).  Moreover, the resulting code is much simpler.
    
    Latency measurement using a ping-pong test over a pty doesn't show any
    visible performance drop.
    
    Signed-off-by: Kosuke Tatsukawa <tatsu@ab.jp.nec.com>
    Cc: stable@vger.kernel.org
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/n_tty.c |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)

commit 3af2011ac1a085a3e8c57ca3a840aec393b37db3
Author: Dmitry Vyukov <dvyukov@google.com>
Date:   Thu Sep 17 17:17:08 2015 +0200

    tty: fix data race in flush_to_ldisc
    
    flush_to_ldisc reads port->itty and checks that it is not NULL,
    concurrently release_tty sets port->itty to NULL. It is possible
    that flush_to_ldisc loads port->itty once, ensures that it is
    not NULL, but then reloads it again and uses. The second load
    can already return NULL, which will cause a crash.
    
    Use READ_ONCE to read port->itty.
    
    The data race was found with KernelThreadSanitizer (KTSAN).
    
    Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
    Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/tty_buffer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 4a433f384b0a5b7e39f969ee8df89c56537d078d
Author: Dmitry Vyukov <dvyukov@google.com>
Date:   Thu Sep 17 17:17:09 2015 +0200

    tty: fix data race in tty_buffer_flush
    
    tty_buffer_flush frees not acquired buffers.
    As the result, for example, read of b->size in tty_buffer_free
    can return garbage value which will lead to a huge buffer
    hanging in the freelist. This is just the benignest
    manifestation of freeing of a not acquired object.
    If the object is passed to kfree, heap can be corrupted.
    
    Acquire visibility over the buffer before freeing it.
    
    The data race was found with KernelThreadSanitizer (KTSAN).
    
    Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
    Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/tty_buffer.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

commit 1477c439d65debf45ac3164a1615504131fad1ff
Author: Jann Horn <jann@thejh.net>
Date:   Sun Oct 4 19:29:12 2015 +0200

    drivers/tty: require read access for controlling terminal
    
    This is mostly a hardening fix, given that write-only access to other
    users' ttys is usually only given through setgid tty executables.
    
    Signed-off-by: Jann Horn <jann@thejh.net>
    Cc: stable@vger.kernel.org
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/tty/tty_io.c |   31 +++++++++++++++++++++++++++----
 1 files changed, 27 insertions(+), 4 deletions(-)

commit c2d51348729aa244b827216715db7734daf07155
Author: Brad Spengler <spender@grsecurity.net>
Date:   Mon Oct 12 07:19:03 2015 -0400

    Don't auto-enable UDEREF on x64 with a VirtualBox host
    
    Conflicts:
    
    	security/Kconfig

 security/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 45ff0fe97624b7133be6f0280ab8fda4610b7937
Merge: ca6828e 1c527d2
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 11 17:17:58 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	arch/x86/mm/pgtable.c

commit 1c527d25ad2ece4cdb4723047625d96b942a3b91
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 11 17:16:49 2015 -0400

    Update to pax-linux-4.2.3-test9.patch:
    - really fixed vsyscall/pvclock regression caused by the recent page table hardening, reported by kamil (https://forums.grsecurity.net/viewtopic.php?f=3&t=4272) and quasar366 (https://forums.grsecurity.net/viewtopic.php?f=3&t=4275)
    - fixed a compilation error caused by the above regression, reported by spender
    - fixed an arm compilation error, reported by Emese

 arch/arm/kernel/module-plts.c |    7 +------
 arch/x86/mm/pgtable.c         |   21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 8 deletions(-)

commit ca6828e73b10b4a7537b16a37c2c0280523171e1
Author: Trond Myklebust <trond.myklebust@primarydata.com>
Date:   Fri Oct 9 13:44:34 2015 -0400

    namei: results of d_is_negative() should be checked after dentry revalidation
    
    Leandro Awa writes:
     "After switching to version 4.1.6, our parallelized and distributed
      workflows now fail consistently with errors of the form:
    
      T34: ./regex.c:39:22: error: config.h: No such file or directory
    
      From our 'git bisect' testing, the following commit appears to be the
      possible cause of the behavior we've been seeing: commit 766c4cbfacd8"
    
    Al Viro says:
     "What happens is that 766c4cbfacd8 got the things subtly wrong.
    
      We used to treat d_is_negative() after lookup_fast() as "fall with
      ENOENT".  That was wrong - checking ->d_flags outside of ->d_seq
      protection is unreliable and failing with hard error on what should've
      fallen back to non-RCU pathname resolution is a bug.
    
      Unfortunately, we'd pulled the test too far up and ran afoul of
      another kind of staleness.  The dentry might have been absolutely
      stable from the RCU point of view (and we might be on UP, etc), but
      stale from the remote fs point of view.  If ->d_revalidate() returns
      "it's actually stale", dentry gets thrown away and the original code
      wouldn't even have looked at its ->d_flags.
    
      What we need is to check ->d_flags where 766c4cbfacd8 does (prior to
      ->d_seq validation) but only use the result in cases where we do not
      discard this dentry outright"
    
    Reported-by: Leandro Awa <lawa@nvidia.com>
    Link: https://bugzilla.kernel.org/show_bug.cgi?id=104911
    Fixes: 766c4cbfacd8 ("namei: d_is_negative() should be checked...")
    Tested-by: Leandro Awa <lawa@nvidia.com>
    Cc: stable@vger.kernel.org # v4.1+
    Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
    Acked-by: Al Viro <viro@zeniv.linux.org.uk>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 fs/namei.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

commit c0181260ce096a814637ad60e45a64c94840fffa
Author: Matt Fleming <matt.fleming@intel.com>
Date:   Fri Sep 25 23:02:18 2015 +0100

    x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at runtime, instead of top-down
    
    Beginning with UEFI v2.5 EFI_PROPERTIES_TABLE was introduced
    that signals that the firmware PE/COFF loader supports splitting
    code and data sections of PE/COFF images into separate EFI
    memory map entries. This allows the kernel to map those regions
    with strict memory protections, e.g. EFI_MEMORY_RO for code,
    EFI_MEMORY_XP for data, etc.
    
    Unfortunately, an unwritten requirement of this new feature is
    that the regions need to be mapped with the same offsets
    relative to each other as observed in the EFI memory map. If
    this is not done crashes like this may occur,
    
      BUG: unable to handle kernel paging request at fffffffefe6086dd
      IP: [<fffffffefe6086dd>] 0xfffffffefe6086dd
      Call Trace:
       [<ffffffff8104c90e>] efi_call+0x7e/0x100
       [<ffffffff81602091>] ? virt_efi_set_variable+0x61/0x90
       [<ffffffff8104c583>] efi_delete_dummy_variable+0x63/0x70
       [<ffffffff81f4e4aa>] efi_enter_virtual_mode+0x383/0x392
       [<ffffffff81f37e1b>] start_kernel+0x38a/0x417
       [<ffffffff81f37495>] x86_64_start_reservations+0x2a/0x2c
       [<ffffffff81f37582>] x86_64_start_kernel+0xeb/0xef
    
    Here 0xfffffffefe6086dd refers to an address the firmware
    expects to be mapped but which the OS never claimed was mapped.
    The issue is that included in these regions are relative
    addresses to other regions which were emitted by the firmware
    toolchain before the "splitting" of sections occurred at
    runtime.
    
    Needless to say, we don't satisfy this unwritten requirement on
    x86_64 and instead map the EFI memory map entries in reverse
    order. The above crash is almost certainly triggerable with any
    kernel newer than v3.13 because that's when we rewrote the EFI
    runtime region mapping code, in commit d2f7cbe7b26a ("x86/efi:
    Runtime services virtual mapping"). For kernel versions before
    v3.13 things may work by pure luck depending on the
    fragmentation of the kernel virtual address space at the time we
    map the EFI regions.
    
    Instead of mapping the EFI memory map entries in reverse order,
    where entry N has a higher virtual address than entry N+1, map
    them in the same order as they appear in the EFI memory map to
    preserve this relative offset between regions.
    
    This patch has been kept as small as possible with the intention
    that it should be applied aggressively to stable and
    distribution kernels. It is very much a bugfix rather than
    support for a new feature, since when EFI_PROPERTIES_TABLE is
    enabled we must map things as outlined above to even boot - we
    have no way of asking the firmware not to split the code/data
    regions.
    
    In fact, this patch doesn't even make use of the more strict
    memory protections available in UEFI v2.5. That will come later.
    
    Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Signed-off-by: Matt Fleming <matt.fleming@intel.com>
    Cc: <stable@vger.kernel.org>
    Cc: Borislav Petkov <bp@suse.de>
    Cc: Chun-Yi <jlee@suse.com>
    Cc: Dave Young <dyoung@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: James Bottomley <JBottomley@Odin.com>
    Cc: Lee, Chun-Yi <jlee@suse.com>
    Cc: Leif Lindholm <leif.lindholm@linaro.org>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Matthew Garrett <mjg59@srcf.ucam.org>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Peter Jones <pjones@redhat.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: linux-kernel@vger.kernel.org
    Link: http://lkml.kernel.org/r/1443218539-7610-2-git-send-email-matt@codeblueprint.co.uk
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/x86/platform/efi/efi.c |   67 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 66 insertions(+), 1 deletions(-)

commit 9377caab146791c8c587da3750d6eddcd01bdfba
Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date:   Fri Sep 25 23:02:19 2015 +0100

    arm64/efi: Fix boot crash by not padding between EFI_MEMORY_RUNTIME regions
    
    The new Properties Table feature introduced in UEFIv2.5 may
    split memory regions that cover PE/COFF memory images into
    separate code and data regions. Since these regions only differ
    in the type (runtime code vs runtime data) and the permission
    bits, but not in the memory type attributes (UC/WC/WT/WB), the
    spec does not require them to be aligned to 64 KB.
    
    Since the relative offset of PE/COFF .text and .data segments
    cannot be changed on the fly, this means that we can no longer
    pad out those regions to be mappable using 64 KB pages.
    Unfortunately, there is no annotation in the UEFI memory map
    that identifies data regions that were split off from a code
    region, so we must apply this logic to all adjacent runtime
    regions whose attributes only differ in the permission bits.
    
    So instead of rounding each memory region to 64 KB alignment at
    both ends, only round down regions that are not directly
    preceded by another runtime region with the same type
    attributes. Since the UEFI spec does not mandate that the memory
    map be sorted, this means we also need to sort it first.
    
    Note that this change will result in all EFI_MEMORY_RUNTIME
    regions whose start addresses are not aligned to the OS page
    size to be mapped with executable permissions (i.e., on kernels
    compiled with 64 KB pages). However, since these mappings are
    only active during the time that UEFI Runtime Services are being
    invoked, the window for abuse is rather small.
    
    Tested-by: Mark Salter <msalter@redhat.com>
    Tested-by: Mark Rutland <mark.rutland@arm.com> [UEFI 2.4 only]
    Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Signed-off-by: Matt Fleming <matt.fleming@intel.com>
    Reviewed-by: Mark Salter <msalter@redhat.com>
    Reviewed-by: Mark Rutland <mark.rutland@arm.com>
    Cc: <stable@vger.kernel.org> # v4.0+
    Cc: Catalin Marinas <catalin.marinas@arm.com>
    Cc: Leif Lindholm <leif.lindholm@linaro.org>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Will Deacon <will.deacon@arm.com>
    Cc: linux-kernel@vger.kernel.org
    Link: http://lkml.kernel.org/r/1443218539-7610-3-git-send-email-matt@codeblueprint.co.uk
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/arm64/kernel/efi.c                 |    3 +-
 drivers/firmware/efi/libstub/arm-stub.c |   88 +++++++++++++++++++++++++-----
 2 files changed, 75 insertions(+), 16 deletions(-)

commit 189124f1e733622c44d72060832af3c68d7ee8bc
Author: Ralf Baechle <ralf@linux-mips.org>
Date:   Fri Oct 2 09:48:57 2015 +0200

    MIPS: BPF: Fix load delay slots.
    
    The entire bpf_jit_asm.S is written in noreorder mode because "we know
    better" according to a comment.  This also prevented the assembler from
    throwing in the required NOPs for MIPS I processors which have no
    load-use interlock, thus the load's consumer might end up using the
    old value of the register from prior to the load.
    
    Fixed by putting the assembler in reorder mode for just the affected
    load instructions.  This is not enough for gas to actually try to be
    clever by looking at the next instruction and inserting a nop only
    when needed but as the comment said "we know better", so getting gas
    to unconditionally emit a NOP is just right in this case and prevents
    adding further ifdefery.
    
    Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 arch/mips/net/bpf_jit_asm.S |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

commit b4b012d6599fbc3c6e81f0a03cd59eb9f0095ed8
Author: Lee, Chun-Yi <joeyli.kernel@gmail.com>
Date:   Tue Sep 29 20:58:57 2015 +0800

    x86/kexec: Fix kexec crash in syscall kexec_file_load()
    
    The original bug is a page fault crash that sometimes happens
    on big machines when preparing ELF headers:
    
        BUG: unable to handle kernel paging request at ffffc90613fc9000
        IP: [<ffffffff8103d645>] prepare_elf64_ram_headers_callback+0x165/0x260
    
    The bug is caused by us under-counting the number of memory ranges
    and subsequently not allocating enough ELF header space for them.
    The bug is typically masked on smaller systems, because the ELF header
    allocation is rounded up to the next page.
    
    This patch modifies the code in fill_up_crash_elf_data() by using
    walk_system_ram_res() instead of walk_system_ram_range() to correctly
    count the max number of crash memory ranges. That's because the
    walk_system_ram_range() filters out small memory regions that
    reside in the same page, but walk_system_ram_res() does not.
    
    Here's how I found the bug:
    
    After tracing prepare_elf64_headers() and prepare_elf64_ram_headers_callback(),
    the code uses walk_system_ram_res() to fill-in crash memory regions information
    to the program header, so it counts those small memory regions that
    reside in a page area.
    
    But, when the kernel was using walk_system_ram_range() in
    fill_up_crash_elf_data() to count the number of crash memory regions,
    it filters out small regions.
    
    I printed those small memory regions, for example:
    
      kexec: Get nr_ram ranges. vaddr=0xffff880077592258 paddr=0x77592258, sz=0xdc0
    
    Based on the code in walk_system_ram_range(), this memory region
    will be filtered out:
    
      pfn = (0x77592258 + 0x1000 - 1) >> 12 = 0x77593
      end_pfn = (0x77592258 + 0xfc0 -1 + 1) >> 12 = 0x77593
      end_pfn - pfn = 0x77593 - 0x77593 = 0  <=== if (end_pfn > pfn) is FALSE
    
    So, the max_nr_ranges that's counted by the kernel doesn't include
    small memory regions - causing us to under-allocate the required space.
    That causes the page fault crash that happens in a later code path
    when preparing ELF headers.
    
    This bug is not easy to reproduce on small machines that have few
    CPUs, because the allocated page aligned ELF buffer has more free
    space to cover those small memory regions' PT_LOAD headers.
    
    Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
    Cc: Andy Lutomirski <luto@kernel.org>
    Cc: Baoquan He <bhe@redhat.com>
    Cc: Jiang Liu <jiang.liu@linux.intel.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephen Rothwell <sfr@canb.auug.org.au>
    Cc: Takashi Iwai <tiwai@suse.de>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Viresh Kumar <viresh.kumar@linaro.org>
    Cc: Vivek Goyal <vgoyal@redhat.com>
    Cc: kexec@lists.infradead.org
    Cc: linux-kernel@vger.kernel.org
    Cc: <stable@vger.kernel.org>
    Link: http://lkml.kernel.org/r/1443531537-29436-1-git-send-email-jlee@suse.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>

 arch/x86/kernel/crash.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

commit bf91f1e0162bdd27ebd1411090a81fd9188daa4f
Author: Elad Raz <eladr@mellanox.com>
Date:   Sat Aug 22 08:44:11 2015 +0300

    netfilter: ipset: Fixing unnamed union init
    
    In continue to proposed Vinson Lee's post [1], this patch fixes compilation
    issues founded at gcc 4.4.7. The initialization of .cidr field of unnamed
    unions causes compilation error in gcc 4.4.x.
    
    References
    
    Visible links
    [1] https://lkml.org/lkml/2015/7/5/74
    
    Signed-off-by: Elad Raz <eladr@mellanox.com>
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

 net/netfilter/ipset/ip_set_hash_netnet.c     |   20 ++++++++++++++++++--
 net/netfilter/ipset/ip_set_hash_netportnet.c |   20 ++++++++++++++++++--
 2 files changed, 36 insertions(+), 4 deletions(-)

commit fed13a5012b8d7e87a6f9efa2e40e0be28eaecd9
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 9 23:12:43 2015 -0400

    compile fix

 arch/x86/mm/pgtable.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

commit 58edc15a668a6dd90b3f66abc84b509f8fba7505
Author: Daniel Borkmann <daniel@iogearbox.net>
Date:   Mon Aug 31 19:11:02 2015 +0200

    netfilter: conntrack: use nf_ct_tmpl_free in CT/synproxy error paths
    
    Commit 0838aa7fcfcd ("netfilter: fix netns dependencies with conntrack
    templates") migrated templates to the new allocator api, but forgot to
    update error paths for them in CT and synproxy to use nf_ct_tmpl_free()
    instead of nf_conntrack_free().
    
    Due to that, memory is being freed into the wrong kmemcache, but also
    we drop the per net reference count of ct objects causing an imbalance.
    
    In Brad's case, this leads to a wrap-around of net->ct.count and thus
    lets __nf_conntrack_alloc() refuse to create a new ct object:
    
      [   10.340913] xt_addrtype: ipv6 does not support BROADCAST matching
      [   10.810168] nf_conntrack: table full, dropping packet
      [   11.917416] r8169 0000:07:00.0 eth0: link up
      [   11.917438] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
      [   12.815902] nf_conntrack: table full, dropping packet
      [   15.688561] nf_conntrack: table full, dropping packet
      [   15.689365] nf_conntrack: table full, dropping packet
      [   15.690169] nf_conntrack: table full, dropping packet
      [   15.690967] nf_conntrack: table full, dropping packet
      [...]
    
    With slab debugging, it also reports the wrong kmemcache (kmalloc-512 vs.
    nf_conntrack_ffffffff81ce75c0) and reports poison overwrites, etc. Thus,
    to fix the problem, export and use nf_ct_tmpl_free() instead.
    
    Fixes: 0838aa7fcfcd ("netfilter: fix netns dependencies with conntrack templates")
    Reported-by: Brad Jackson <bjackson0971@gmail.com>
    Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

 include/net/netfilter/nf_conntrack.h |    1 +
 net/netfilter/nf_conntrack_core.c    |    3 ++-
 net/netfilter/nf_synproxy_core.c     |    2 +-
 net/netfilter/xt_CT.c                |    2 +-
 4 files changed, 5 insertions(+), 3 deletions(-)

commit 37d26e44573aaa9c3b1f0c36ec9d4bddc008fc03
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 9 18:22:54 2015 -0400

    Fix BUG() in scatterwalk_map_and_copy caused by virt_to_page being
    called on the KSTACKOVERFLOW's vmalloc'd stack.  Thanks to
    Yves-Alexis Perez for the report

 crypto/scatterwalk.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

commit 8137d53d2b60023587a48004f0b67946ed6db4a8
Merge: 147420b a9c991f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 9 18:20:32 2015 -0400

    Merge branch 'pax-test' into grsec-test

commit a9c991f727bb8daf15838296e301683791c17071
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 9 18:20:07 2015 -0400

    Update to pax-linux-4.2.3-test8.patch:
    - fixed vsyscall/pvclock regression caused by the recent page table hardening, reported by kamil (https://forums.grsecurity.net/viewtopic.php?f=3&t=4272)

 arch/x86/kernel/espfix_64.c |    4 +---
 arch/x86/kernel/kvmclock.c  |   20 ++++++--------------
 arch/x86/mm/highmem_32.c    |    2 ++
 arch/x86/mm/pgtable.c       |   33 +++++++++++++++++++++++++++++++++
 4 files changed, 42 insertions(+), 17 deletions(-)

commit 147420b0f00c7f20f354e1dfa460b904a3af432b
Author: Brad Spengler <spender@grsecurity.net>
Date:   Fri Oct 9 08:54:24 2015 -0400

    Properly fix the bug reported at:
    https://code.google.com/p/android/issues/detail?id=187973

 drivers/net/slip/slhc.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

commit 4918a68ea80e1185ec8f3a94d3a2210552ed0bb5
Merge: 4e736d9 7e02f35
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 7 20:57:21 2015 -0400

    Merge branch 'pax-test' into grsec-test
    
    Conflicts:
    	arch/x86/kernel/espfix_64.c

commit 7e02f35880fd6bdb2f4e7ba07a13d6df1d121008
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 7 20:54:36 2015 -0400

    Update to pax-linux-4.2.3-test7.patch:
    - backported vanilla commits b763ec17ac762470eec5be8ebcc43e4f8b2c2b82 and 176fc2d5770a0990eebff903ba680d2edd32e718
    - constified a few more page tables for ESPFIX/amd64
    - fixed xen and the recently added level1_modules_pgt page tables on amd64

 arch/x86/include/asm/pgtable_64.h    |    1 +
 arch/x86/kernel/espfix_64.c          |   35 +++++++++++++++++++++++----------
 arch/x86/xen/mmu.c                   |    4 +++
 drivers/base/regmap/regmap-debugfs.c |   14 +++++-------
 4 files changed, 35 insertions(+), 19 deletions(-)

commit 4e736d9e568f6cc0d08dfe7519abf9a5d58a5418
Author: Robin Murphy <robin.murphy@arm.com>
Date:   Thu Oct 1 15:37:19 2015 -0700

    dmapool: fix overflow condition in pool_find_page()
    
    If a DMA pool lies at the very top of the dma_addr_t range (as may
    happen with an IOMMU involved), the calculated end address of the pool
    wraps around to zero, and page lookup always fails.
    
    Tweak the relevant calculation to be overflow-proof.
    
    Signed-off-by: Robin Murphy <robin.murphy@arm.com>
    Cc: Arnd Bergmann <arnd@arndb.de>
    Cc: Marek Szyprowski <m.szyprowski@samsung.com>
    Cc: Sumit Semwal <sumit.semwal@linaro.org>
    Cc: Sakari Ailus <sakari.ailus@iki.fi>
    Cc: Russell King <rmk+kernel@arm.linux.org.uk>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 mm/dmapool.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

commit 96a101a9b4208a6e5f2a0db7599881142e70ba43
Author: Greg Thelen <gthelen@google.com>
Date:   Thu Oct 1 15:37:05 2015 -0700

    memcg: make mem_cgroup_read_stat() unsigned
    
    mem_cgroup_read_stat() returns a page count by summing per cpu page
    counters.  The summing is racy wrt.  updates, so a transient negative
    sum is possible.  Callers don't want negative values:
    
     - mem_cgroup_wb_stats() doesn't want negative nr_dirty or nr_writeback.
       This could confuse dirty throttling.
    
     - oom reports and memory.stat shouldn't show confusing negative usage.
    
     - tree_usage() already avoids negatives.
    
    Avoid returning negative page counts from mem_cgroup_read_stat() and
    convert it to unsigned.
    
    [akpm@linux-foundation.org: fix old typo while we're in there]
    Signed-off-by: Greg Thelen <gthelen@google.com>
    Cc: Johannes Weiner <hannes@cmpxchg.org>
    Acked-by: Michal Hocko <mhocko@suse.com>
    Cc: <stable@vger.kernel.org>	[4.2+]
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

 mm/memcontrol.c |   30 ++++++++++++++++++------------
 1 files changed, 18 insertions(+), 12 deletions(-)

commit b7808c46650d5f4c09f071566de991af36eb9d37
Author: Daniel Borkmann <daniel@iogearbox.net>
Date:   Fri Oct 2 12:06:03 2015 +0200

    bpf: fix panic in SO_GET_FILTER with native ebpf programs
    
    When sockets have a native eBPF program attached through
    setsockopt(sk, SOL_SOCKET, SO_ATTACH_BPF, ...), and then try to
    dump these over getsockopt(sk, SOL_SOCKET, SO_GET_FILTER, ...),
    the following panic appears:
    
      [49904.178642] BUG: unable to handle kernel NULL pointer dereference at (null)
      [49904.178762] IP: [<ffffffff81610fd9>] sk_get_filter+0x39/0x90
      [49904.182000] PGD 86fc9067 PUD 531a1067 PMD 0
      [49904.185196] Oops: 0000 [#1] SMP
      [...]
      [49904.224677] Call Trace:
      [49904.226090]  [<ffffffff815e3d49>] sock_getsockopt+0x319/0x740
      [49904.227535]  [<ffffffff812f59e3>] ? sock_has_perm+0x63/0x70
      [49904.228953]  [<ffffffff815e2fc8>] ? release_sock+0x108/0x150
      [49904.230380]  [<ffffffff812f5a43>] ? selinux_socket_getsockopt+0x23/0x30
      [49904.231788]  [<ffffffff815dff36>] SyS_getsockopt+0xa6/0xc0
      [49904.233267]  [<ffffffff8171b9ae>] entry_SYSCALL_64_fastpath+0x12/0x71
    
    The underlying issue is the very same as in commit b382c0865600
    ("sock, diag: fix panic in sock_diag_put_filterinfo"), that is,
    native eBPF programs don't store an original program since this
    is only needed in cBPF ones.
    
    However, sk_get_filter() wasn't updated to test for this at the
    time when eBPF could be attached. Just throw an error to the user
    to indicate that eBPF cannot be dumped over this interface.
    That way, it can also be known that a program _is_ attached (as
    opposed to just return 0), and a different (future) method needs
    to be consulted for a dump.
    
    Fixes: 89aa075832b0 ("net: sock: allow eBPF programs to be attached to sockets")
    Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
    Acked-by: Alexei Starovoitov <ast@plumgrid.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

 net/core/filter.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

commit 40853c884afb5fc2dcb9f7fc34ef446162566fcc
Author: Steve French <smfrench@gmail.com>
Date:   Mon Sep 28 17:21:07 2015 -0500

    [SMB3] Do not fall back to SMBWriteX in set_file_size error cases
    
    The error paths in set_file_size for cifs and smb3 are incorrect.
    
    In the unlikely event that a server did not support set file info
    of the file size, the code incorrectly falls back to trying SMBWriteX
    (note that only the original core SMB Write, used for example by DOS,
    can set the file size this way - this actually  does not work for the more
    recent SMBWriteX).  The idea was since the old DOS SMB Write could set
    the file size if you write zero bytes at that offset then use that if
    server rejects the normal set file info call.
    
    Fortunately the SMBWriteX will never be sent on the wire (except when
    file size is zero) since the length and offset fields were reversed
    in the two places in this function that call SMBWriteX causing
    the fall back path to return an error. It is also important to never call
    an SMB request from an SMB2/sMB3 session (which theoretically would
    be possible, and can cause a brief session drop, although the client
    recovers) so this should be fixed.  In practice this path does not happen
    with modern servers but the error fall back to SMBWriteX is clearly wrong.
    
    Removing the calls to SMBWriteX in the error paths in cifs_set_file_size
    
    Pointed out by PaX/grsecurity team
    
    Signed-off-by: Steve French <steve.french@primarydata.com>
    Reported-by: PaX Team <pageexec@freemail.hu>
    CC: Emese Revfy <re.emese@gmail.com>
    CC: Brad Spengler <spender@grsecurity.net>
    CC: Stable <stable@vger.kernel.org>

 fs/cifs/inode.c |   34 ----------------------------------
 1 files changed, 0 insertions(+), 34 deletions(-)

commit f5fad97c967a08f4a89513969598b1d3c8232a38
Author: Brad Spengler <spender@grsecurity.net>
Date:   Wed Oct 7 18:22:40 2015 -0400

    Initial import of grsecurity for Linux 4.2.3
    Note that size_overflow is currently marked BROKEN

 Documentation/dontdiff                             |    2 +
 Documentation/kernel-parameters.txt                |    7 +
 Documentation/sysctl/kernel.txt                    |   15 +
 Makefile                                           |   18 +-
 arch/alpha/include/asm/cache.h                     |    4 +-
 arch/alpha/kernel/osf_sys.c                        |   12 +-
 arch/arm/Kconfig                                   |    1 +
 arch/arm/include/asm/thread_info.h                 |    9 +-
 arch/arm/kernel/process.c                          |    4 +-
 arch/arm/kernel/ptrace.c                           |    9 +
 arch/arm/kernel/traps.c                            |    7 +-
 arch/arm/mm/Kconfig                                |    2 +-
 arch/arm/mm/fault.c                                |   40 +-
 arch/arm/mm/mmap.c                                 |    8 +-
 arch/arm/net/bpf_jit_32.c                          |   51 +-
 arch/avr32/include/asm/cache.h                     |    4 +-
 arch/blackfin/include/asm/cache.h                  |    3 +-
 arch/cris/include/arch-v10/arch/cache.h            |    3 +-
 arch/cris/include/arch-v32/arch/cache.h            |    3 +-
 arch/frv/include/asm/cache.h                       |    3 +-
 arch/frv/mm/elf-fdpic.c                            |    4 +-
 arch/hexagon/include/asm/cache.h                   |    6 +-
 arch/ia64/Kconfig                                  |    1 +
 arch/ia64/include/asm/cache.h                      |    3 +-
 arch/ia64/kernel/sys_ia64.c                        |    2 +
 arch/ia64/mm/hugetlbpage.c                         |    2 +
 arch/m32r/include/asm/cache.h                      |    4 +-
 arch/m68k/include/asm/cache.h                      |    4 +-
 arch/metag/mm/hugetlbpage.c                        |    1 +
 arch/microblaze/include/asm/cache.h                |    3 +-
 arch/mips/Kconfig                                  |    1 +
 arch/mips/include/asm/cache.h                      |    3 +-
 arch/mips/include/asm/thread_info.h                |   11 +-
 arch/mips/kernel/irq.c                             |    3 +
 arch/mips/kernel/ptrace.c                          |    9 +
 arch/mips/mm/mmap.c                                |    4 +-
 arch/mn10300/proc-mn103e010/include/proc/cache.h   |    4 +-
 arch/mn10300/proc-mn2ws0050/include/proc/cache.h   |    4 +-
 arch/openrisc/include/asm/cache.h                  |    4 +-
 arch/parisc/include/asm/cache.h                    |    5 +-
 arch/parisc/kernel/sys_parisc.c                    |    4 +
 arch/powerpc/Kconfig                               |    1 +
 arch/powerpc/include/asm/cache.h                   |    3 +-
 arch/powerpc/include/asm/thread_info.h             |    5 +-
 arch/powerpc/kernel/Makefile                       |    2 +
 arch/powerpc/kernel/irq.c                          |    3 +
 arch/powerpc/kernel/process.c                      |   10 +-
 arch/powerpc/kernel/ptrace.c                       |   14 +
 arch/powerpc/kernel/traps.c                        |    5 +
 arch/powerpc/mm/slice.c                            |    2 +-
 arch/s390/include/asm/cache.h                      |    4 +-
 arch/score/include/asm/cache.h                     |    4 +-
 arch/sh/include/asm/cache.h                        |    3 +-
 arch/sh/mm/mmap.c                                  |    6 +-
 arch/sparc/include/asm/cache.h                     |    4 +-
 arch/sparc/include/asm/pgalloc_64.h                |    1 +
 arch/sparc/include/asm/thread_info_64.h            |    8 +-
 arch/sparc/kernel/process_32.c                     |    6 +-
 arch/sparc/kernel/process_64.c                     |    8 +-
 arch/sparc/kernel/ptrace_64.c                      |   14 +
 arch/sparc/kernel/sys_sparc_64.c                   |    8 +-
 arch/sparc/kernel/syscalls.S                       |    8 +-
 arch/sparc/kernel/traps_32.c                       |    8 +-
 arch/sparc/kernel/traps_64.c                       |   28 +-
 arch/sparc/kernel/unaligned_64.c                   |    2 +-
 arch/sparc/mm/fault_64.c                           |    2 +-
 arch/sparc/mm/hugetlbpage.c                        |   15 +-
 arch/tile/Kconfig                                  |    1 +
 arch/tile/include/asm/cache.h                      |    3 +-
 arch/tile/mm/hugetlbpage.c                         |    2 +
 arch/um/include/asm/cache.h                        |    3 +-
 arch/unicore32/include/asm/cache.h                 |    6 +-
 arch/x86/Kconfig                                   |   21 +
 arch/x86/entry/entry_32.S                          |    2 +-
 arch/x86/entry/entry_64.S                          |    2 +-
 arch/x86/ia32/ia32_aout.c                          |    2 +
 arch/x86/include/asm/floppy.h                      |   20 +-
 arch/x86/include/asm/io.h                          |    2 +-
 arch/x86/include/asm/page.h                        |   12 +-
 arch/x86/include/asm/paravirt_types.h              |   23 +-
 arch/x86/include/asm/processor.h                   |    2 +-
 arch/x86/include/asm/thread_info.h                 |    8 +-
 arch/x86/kernel/dumpstack.c                        |   10 +-
 arch/x86/kernel/dumpstack_32.c                     |    2 +-
 arch/x86/kernel/dumpstack_64.c                     |    2 +-
 arch/x86/kernel/espfix_64.c                        |    2 +-
 arch/x86/kernel/fpu/init.c                         |    4 +-
 arch/x86/kernel/ioport.c                           |   13 +
 arch/x86/kernel/irq_32.c                           |    3 +
 arch/x86/kernel/irq_64.c                           |    4 +
 arch/x86/kernel/ldt.c                              |   18 +
 arch/x86/kernel/msr.c                              |   10 +
 arch/x86/kernel/ptrace.c                           |   28 +
 arch/x86/kernel/signal.c                           |    9 +-
 arch/x86/kernel/sys_i386_32.c                      |    9 +-
 arch/x86/kernel/sys_x86_64.c                       |    8 +-
 arch/x86/kernel/traps.c                            |    5 +
 arch/x86/kernel/verify_cpu.S                       |    1 +
 arch/x86/kernel/vm86_32.c                          |   16 +
 arch/x86/mm/fault.c                                |   12 +-
 arch/x86/mm/hugetlbpage.c                          |   15 +-
 arch/x86/mm/init.c                                 |   66 +-
 arch/x86/mm/init_32.c                              |    6 +-
 arch/x86/net/bpf_jit_comp.c                        |    4 +
 arch/x86/platform/efi/efi_64.c                     |    2 +-
 arch/x86/xen/Kconfig                               |    1 +
 arch/xtensa/variants/dc232b/include/variant/core.h |    2 +-
 arch/xtensa/variants/fsf/include/variant/core.h    |    3 +-
 drivers/acpi/acpica/hwxfsleep.c                    |   11 +-
 drivers/acpi/custom_method.c                       |    4 +
 drivers/block/cciss.h                              |   30 +-
 drivers/block/smart1,2.h                           |   40 +-
 drivers/cdrom/cdrom.c                              |    2 +-
 drivers/char/Kconfig                               |    4 +-
 drivers/char/genrtc.c                              |    1 +
 drivers/char/mem.c                                 |   17 +
 drivers/char/random.c                              |    5 +-
 drivers/cpufreq/sparc-us3-cpufreq.c                |    2 -
 drivers/firewire/ohci.c                            |    4 +
 drivers/gpu/drm/drm_context.c                      |   50 +-
 drivers/gpu/drm/drm_drv.c                          |   11 +-
 drivers/gpu/drm/drm_lock.c                         |   18 +-
 drivers/gpu/drm/i915/i915_dma.c                    |    2 +
 drivers/gpu/drm/nouveau/nouveau_drm.c              |    3 +-
 drivers/gpu/drm/nouveau/nouveau_ttm.c              |   30 +-
 drivers/gpu/drm/ttm/ttm_bo_manager.c               |   10 +-
 drivers/gpu/drm/virtio/virtgpu_ttm.c               |   10 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c      |   10 +-
 drivers/hid/hid-wiimote-debug.c                    |    2 +-
 drivers/infiniband/hw/nes/nes_cm.c                 |   22 +-
 drivers/iommu/amd_iommu.c                          |   14 +-
 drivers/isdn/gigaset/bas-gigaset.c                 |   32 +-
 drivers/isdn/gigaset/ser-gigaset.c                 |   32 +-
 drivers/isdn/gigaset/usb-gigaset.c                 |   32 +-
 drivers/isdn/i4l/isdn_concap.c                     |    6 +-
 drivers/isdn/i4l/isdn_x25iface.c                   |   16 +-
 drivers/md/raid5.c                                 |    8 +
 drivers/media/pci/solo6x10/solo6x10-g723.c         |    2 +-
 drivers/media/radio/radio-cadet.c                  |    5 +-
 drivers/media/usb/dvb-usb/cinergyT2-core.c         |   91 +-
 drivers/media/usb/dvb-usb/cinergyT2-fe.c           |  182 +-
 drivers/media/usb/dvb-usb/dvb-usb-firmware.c       |   37 +-
 drivers/media/usb/dvb-usb/technisat-usb2.c         |   75 +-
 drivers/message/fusion/mptbase.c                   |    9 +
 drivers/misc/sgi-xp/xp_main.c                      |   12 +-
 drivers/net/ethernet/brocade/bna/bna_enet.c        |    8 +-
 drivers/net/wan/lmc/lmc_media.c                    |   97 +-
 drivers/net/wan/z85230.c                           |   24 +-
 drivers/net/wireless/zd1211rw/zd_usb.c             |    2 +-
 drivers/pci/proc.c                                 |    9 +
 drivers/platform/x86/asus-wmi.c                    |   12 +
 drivers/rtc/rtc-dev.c                              |    3 +
 drivers/scsi/bfa/bfa_fcs.c                         |   19 +-
 drivers/scsi/bfa/bfa_fcs_lport.c                   |   29 +-
 drivers/scsi/bfa/bfa_modules.h                     |   12 +-
 drivers/scsi/hpsa.h                                |   40 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_flock.c    |    2 +-
 drivers/staging/lustre/lustre/libcfs/module.c      |   10 +-
 drivers/staging/sm750fb/sm750.c                    |    3 +
 drivers/tty/serial/uartlite.c                      |    4 +-
 drivers/tty/sysrq.c                                |    2 +-
 drivers/tty/vt/keyboard.c                          |   22 +-
 drivers/uio/uio.c                                  |    6 +-
 drivers/usb/core/hub.c                             |    5 +
 drivers/usb/gadget/function/f_uac1.c               |    1 +
 drivers/usb/gadget/function/u_uac1.c               |    1 +
 drivers/usb/host/hwa-hc.c                          |    9 +-
 drivers/usb/usbip/vhci_sysfs.c                     |    2 +-
 drivers/video/fbdev/arcfb.c                        |    2 +-
 drivers/video/fbdev/matrox/matroxfb_DAC1064.c      |   10 +-
 drivers/video/fbdev/matrox/matroxfb_Ti3026.c       |    5 +-
 drivers/video/fbdev/sh_mobile_lcdcfb.c             |    6 +-
 drivers/video/logo/logo_linux_clut224.ppm          | 2720 ++++-----
 drivers/xen/xenfs/xenstored.c                      |    5 +
 firmware/Makefile                                  |    2 +
 firmware/WHENCE                                    |   20 +-
 firmware/bnx2/bnx2-mips-06-6.2.3.fw.ihex           | 5804 +++++++++++++++++
 firmware/bnx2/bnx2-mips-09-6.2.1b.fw.ihex          | 6496 ++++++++++++++++++++
 fs/attr.c                                          |    1 +
 fs/autofs4/waitq.c                                 |    9 +
 fs/binfmt_aout.c                                   |    7 +
 fs/binfmt_elf.c                                    |   40 +-
 fs/compat.c                                        |   20 +-
 fs/coredump.c                                      |   17 +-
 fs/dcache.c                                        |    3 +
 fs/debugfs/inode.c                                 |   11 +-
 fs/exec.c                                          |  218 +-
 fs/ext2/balloc.c                                   |    4 +-
 fs/ext2/super.c                                    |    8 +-
 fs/ext3/balloc.c                                   |    4 +-
 fs/ext3/super.c                                    |    8 +-
 fs/ext4/balloc.c                                   |    4 +-
 fs/fcntl.c                                         |    4 +
 fs/fhandle.c                                       |    3 +-
 fs/file.c                                          |    4 +
 fs/filesystems.c                                   |    4 +
 fs/fs_struct.c                                     |   20 +-
 fs/hugetlbfs/inode.c                               |    5 +-
 fs/inode.c                                         |    8 +-
 fs/kernfs/dir.c                                    |    6 +
 fs/mount.h                                         |    4 +-
 fs/namei.c                                         |  285 +-
 fs/namespace.c                                     |   24 +
 fs/nfsd/nfscache.c                                 |    2 +-
 fs/open.c                                          |   38 +
 fs/overlayfs/inode.c                               |    3 +
 fs/overlayfs/super.c                               |    6 +-
 fs/pipe.c                                          |    2 +-
 fs/posix_acl.c                                     |   15 +-
 fs/proc/Kconfig                                    |   10 +-
 fs/proc/array.c                                    |   66 +-
 fs/proc/base.c                                     |  168 +-
 fs/proc/cmdline.c                                  |    4 +
 fs/proc/devices.c                                  |    4 +
 fs/proc/fd.c                                       |   17 +-
 fs/proc/generic.c                                  |   64 +
 fs/proc/inode.c                                    |   17 +
 fs/proc/internal.h                                 |   11 +-
 fs/proc/interrupts.c                               |    4 +
 fs/proc/kcore.c                                    |    3 +
 fs/proc/proc_net.c                                 |   31 +
 fs/proc/proc_sysctl.c                              |   52 +-
 fs/proc/root.c                                     |    8 +
 fs/proc/stat.c                                     |   69 +-
 fs/proc/task_mmu.c                                 |   66 +-
 fs/readdir.c                                       |   19 +
 fs/reiserfs/item_ops.c                             |   24 +-
 fs/reiserfs/super.c                                |    4 +
 fs/select.c                                        |    2 +
 fs/seq_file.c                                      |   30 +-
 fs/stat.c                                          |   20 +-
 fs/sysfs/dir.c                                     |   30 +-
 fs/utimes.c                                        |    7 +
 fs/xattr.c                                         |   26 +-
 grsecurity/Kconfig                                 | 1182 ++++
 grsecurity/Makefile                                |   54 +
 grsecurity/gracl.c                                 | 2757 +++++++++
 grsecurity/gracl_alloc.c                           |  105 +
 grsecurity/gracl_cap.c                             |  127 +
 grsecurity/gracl_compat.c                          |  269 +
 grsecurity/gracl_fs.c                              |  448 ++
 grsecurity/gracl_ip.c                              |  386 ++
 grsecurity/gracl_learn.c                           |  207 +
 grsecurity/gracl_policy.c                          | 1786 ++++++
 grsecurity/gracl_res.c                             |   68 +
 grsecurity/gracl_segv.c                            |  304 +
 grsecurity/gracl_shm.c                             |   40 +
 grsecurity/grsec_chdir.c                           |   19 +
 grsecurity/grsec_chroot.c                          |  467 ++
 grsecurity/grsec_disabled.c                        |  445 ++
 grsecurity/grsec_exec.c                            |  189 +
 grsecurity/grsec_fifo.c                            |   26 +
 grsecurity/grsec_fork.c                            |   23 +
 grsecurity/grsec_init.c                            |  290 +
 grsecurity/grsec_ipc.c                             |   48 +
 grsecurity/grsec_link.c                            |   65 +
 grsecurity/grsec_log.c                             |  340 +
 grsecurity/grsec_mem.c                             |   48 +
 grsecurity/grsec_mount.c                           |   65 +
 grsecurity/grsec_pax.c                             |   47 +
 grsecurity/grsec_proc.c                            |   20 +
 grsecurity/grsec_ptrace.c                          |   30 +
 grsecurity/grsec_sig.c                             |  236 +
 grsecurity/grsec_sock.c                            |  244 +
 grsecurity/grsec_sysctl.c                          |  488 ++
 grsecurity/grsec_time.c                            |   16 +
 grsecurity/grsec_tpe.c                             |   78 +
 grsecurity/grsec_usb.c                             |   15 +
 grsecurity/grsum.c                                 |   64 +
 include/drm/drmP.h                                 |   23 +-
 include/linux/binfmts.h                            |    5 +-
 include/linux/capability.h                         |   13 +
 include/linux/compiler-gcc.h                       |    5 +
 include/linux/compiler.h                           |    8 +
 include/linux/cred.h                               |    8 +-
 include/linux/dcache.h                             |    5 +-
 include/linux/fs.h                                 |   24 +-
 include/linux/fs_struct.h                          |    2 +-
 include/linux/fsnotify.h                           |    6 +
 include/linux/gracl.h                              |  342 +
 include/linux/gracl_compat.h                       |  156 +
 include/linux/gralloc.h                            |    9 +
 include/linux/grdefs.h                             |  140 +
 include/linux/grinternal.h                         |  230 +
 include/linux/grmsg.h                              |  118 +
 include/linux/grsecurity.h                         |  249 +
 include/linux/grsock.h                             |   19 +
 include/linux/ipc.h                                |    2 +-
 include/linux/ipc_namespace.h                      |    2 +-
 include/linux/kallsyms.h                           |   18 +-
 include/linux/kmod.h                               |    5 +
 include/linux/kobject.h                            |    2 +-
 include/linux/lsm_hooks.h                          |    4 +-
 include/linux/mm.h                                 |   12 +
 include/linux/mm_types.h                           |    4 +-
 include/linux/module.h                             |    5 +-
 include/linux/mount.h                              |    2 +-
 include/linux/netfilter/xt_gradm.h                 |    9 +
 include/linux/path.h                               |    4 +-
 include/linux/perf_event.h                         |   13 +-
 include/linux/pid_namespace.h                      |    2 +-
 include/linux/printk.h                             |    2 +-
 include/linux/proc_fs.h                            |   22 +-
 include/linux/proc_ns.h                            |    2 +-
 include/linux/random.h                             |    2 +-
 include/linux/rbtree_augmented.h                   |    4 +-
 include/linux/scatterlist.h                        |   12 +-
 include/linux/sched.h                              |  110 +-
 include/linux/security.h                           |    3 +-
 include/linux/seq_file.h                           |    5 +
 include/linux/shm.h                                |    6 +-
 include/linux/skbuff.h                             |    3 +
 include/linux/slab.h                               |    9 -
 include/linux/sysctl.h                             |    8 +-
 include/linux/thread_info.h                        |    6 +-
 include/linux/tty.h                                |    2 +-
 include/linux/tty_driver.h                         |    4 +-
 include/linux/uidgid.h                             |    5 +
 include/linux/user_namespace.h                     |    2 +-
 include/linux/utsname.h                            |    2 +-
 include/linux/vermagic.h                           |   16 +-
 include/linux/vmalloc.h                            |    8 +
 include/net/af_unix.h                              |    2 +-
 include/net/ip.h                                   |    2 +-
 include/net/neighbour.h                            |    2 +-
 include/net/net_namespace.h                        |    2 +-
 include/net/sock.h                                 |    2 +-
 include/trace/events/fs.h                          |   53 +
 include/uapi/drm/i915_drm.h                        |    1 +
 include/uapi/linux/personality.h                   |    1 +
 init/Kconfig                                       |    3 +-
 init/main.c                                        |   35 +-
 ipc/mqueue.c                                       |    1 +
 ipc/msg.c                                          |   14 +-
 ipc/shm.c                                          |   36 +-
 ipc/util.c                                         |   14 +-
 kernel/auditsc.c                                   |    2 +-
 kernel/bpf/syscall.c                               |    8 +-
 kernel/capability.c                                |   41 +-
 kernel/cgroup.c                                    |    5 +-
 kernel/compat.c                                    |    1 +
 kernel/configs.c                                   |   11 +
 kernel/cred.c                                      |  112 +-
 kernel/events/core.c                               |   14 +-
 kernel/exit.c                                      |   10 +-
 kernel/fork.c                                      |   86 +-
 kernel/futex.c                                     |    4 +-
 kernel/kallsyms.c                                  |    9 +
 kernel/kcmp.c                                      |    4 +
 kernel/kexec.c                                     |    2 +-
 kernel/kmod.c                                      |   95 +-
 kernel/kprobes.c                                   |    7 +-
 kernel/ksysfs.c                                    |    2 +
 kernel/locking/lockdep_proc.c                      |   10 +-
 kernel/module.c                                    |  108 +-
 kernel/panic.c                                     |    4 +-
 kernel/pid.c                                       |   19 +-
 kernel/power/Kconfig                               |    2 +
 kernel/printk/printk.c                             |    7 +-
 kernel/ptrace.c                                    |   20 +-
 kernel/resource.c                                  |   10 +
 kernel/sched/core.c                                |   11 +-
 kernel/signal.c                                    |   37 +-
 kernel/sys.c                                       |   64 +-
 kernel/sysctl.c                                    |  180 +-
 kernel/taskstats.c                                 |    6 +
 kernel/time/posix-timers.c                         |    8 +
 kernel/time/time.c                                 |    5 +
 kernel/time/timekeeping.c                          |    3 +
 kernel/time/timer_list.c                           |   13 +-
 kernel/time/timer_stats.c                          |   10 +-
 kernel/trace/trace_syscalls.c                      |    8 +
 kernel/user_namespace.c                            |   15 +
 lib/Kconfig.debug                                  |    7 +-
 lib/is_single_threaded.c                           |    3 +
 lib/list_debug.c                                   |   65 +-
 lib/nlattr.c                                       |    2 +
 lib/rbtree.c                                       |    4 +-
 lib/vsprintf.c                                     |   39 +-
 localversion-grsec                                 |    1 +
 mm/Kconfig                                         |    5 +-
 mm/Kconfig.debug                                   |    1 +
 mm/filemap.c                                       |    1 +
 mm/hugetlb.c                                       |    8 +
 mm/kmemleak.c                                      |    4 +-
 mm/memory.c                                        |    2 +-
 mm/mempolicy.c                                     |   12 +-
 mm/migrate.c                                       |    3 +-
 mm/mlock.c                                         |    6 +-
 mm/mmap.c                                          |   93 +-
 mm/mprotect.c                                      |    8 +
 mm/page_alloc.c                                    |    2 +-
 mm/process_vm_access.c                             |    6 +
 mm/shmem.c                                         |    2 +-
 mm/slab.c                                          |   27 +-
 mm/slab_common.c                                   |    2 +-
 mm/slob.c                                          |   12 +
 mm/slub.c                                          |   33 +-
 mm/util.c                                          |    3 +
 mm/vmalloc.c                                       |   80 +-
 mm/vmstat.c                                        |   29 +-
 net/appletalk/atalk_proc.c                         |    2 +-
 net/atm/lec.c                                      |    6 +-
 net/atm/mpoa_caches.c                              |   42 +-
 net/can/bcm.c                                      |    2 +-
 net/can/proc.c                                     |    2 +-
 net/core/dev_ioctl.c                               |    7 +-
 net/core/filter.c                                  |    8 +-
 net/core/net-procfs.c                              |   17 +-
 net/core/pktgen.c                                  |    2 +-
 net/core/sock.c                                    |    3 +-
 net/core/sysctl_net_core.c                         |    2 +-
 net/decnet/dn_dev.c                                |    2 +-
 net/ipv4/devinet.c                                 |    6 +-
 net/ipv4/inet_hashtables.c                         |    5 +
 net/ipv4/ip_input.c                                |    7 +
 net/ipv4/ip_sockglue.c                             |    3 +-
 net/ipv4/netfilter/ipt_CLUSTERIP.c                 |    2 +-
 net/ipv4/route.c                                   |    6 +-
 net/ipv4/tcp_input.c                               |    4 +-
 net/ipv4/tcp_ipv4.c                                |   24 +-
 net/ipv4/tcp_minisocks.c                           |    9 +-
 net/ipv4/tcp_timer.c                               |   11 +
 net/ipv4/udp.c                                     |   24 +
 net/ipv6/addrconf.c                                |   13 +-
 net/ipv6/proc.c                                    |    2 +-
 net/ipv6/tcp_ipv6.c                                |   23 +-
 net/ipv6/udp.c                                     |    7 +
 net/ipx/ipx_proc.c                                 |    2 +-
 net/irda/irproc.c                                  |    2 +-
 net/llc/llc_proc.c                                 |    2 +-
 net/netfilter/Kconfig                              |   10 +
 net/netfilter/Makefile                             |    1 +
 net/netfilter/nf_conntrack_core.c                  |    8 +
 net/netfilter/xt_gradm.c                           |   51 +
 net/netfilter/xt_hashlimit.c                       |    4 +-
 net/netfilter/xt_recent.c                          |    2 +-
 net/socket.c                                       |   71 +-
 net/sunrpc/cache.c                                 |    2 +-
 net/sunrpc/stats.c                                 |    2 +-
 net/sysctl_net.c                                   |    2 +-
 net/unix/af_unix.c                                 |   52 +-
 net/vmw_vsock/vmci_transport_notify.c              |   30 +-
 net/vmw_vsock/vmci_transport_notify_qstate.c       |   30 +-
 net/x25/sysctl_net_x25.c                           |    2 +-
 net/x25/x25_proc.c                                 |    2 +-
 scripts/package/Makefile                           |    2 +-
 scripts/package/mkspec                             |   38 +-
 security/Kconfig                                   |  370 +-
 security/apparmor/file.c                           |    4 +-
 security/apparmor/lsm.c                            |    8 +-
 security/commoncap.c                               |   29 +
 security/min_addr.c                                |    2 +
 security/tomoyo/file.c                             |   12 +-
 security/tomoyo/mount.c                            |    4 +
 security/tomoyo/tomoyo.c                           |   20 +-
 security/yama/Kconfig                              |    2 +-
 sound/synth/emux/emux_seq.c                        |   14 +-
 sound/usb/line6/driver.c                           |   40 +-
 sound/usb/line6/toneport.c                         |   12 +-
 tools/gcc/.gitignore                               |    1 +
 tools/gcc/Makefile                                 |   12 +
 tools/gcc/gen-random-seed.sh                       |    8 +
 tools/gcc/randomize_layout_plugin.c                |  930 +++
 tools/gcc/size_overflow_plugin/.gitignore          |    1 +
 .../size_overflow_plugin/size_overflow_hash.data   |  320 +-
 466 files changed, 32295 insertions(+), 2907 deletions(-)

commit fc19197ab5a42069863a7d88f1d41eb687697fe9
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 4 20:43:51 2015 -0400

    Update to pax-linux-4.2.3-test6.patch:
    - fixed a KERNEXEC/x86 and early ioremap regression, reported by spender
    - sanitized a few more top level page table entries on amd64

 arch/x86/kernel/espfix_64.c |    2 +-
 arch/x86/kernel/head_64.S   |    8 ++++----
 arch/x86/mm/ioremap.c       |    6 +++++-
 3 files changed, 10 insertions(+), 6 deletions(-)

commit 23ac5415b9ef394e10b1516d3b314c742c6a3e59
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 4 17:47:37 2015 -0400

    Resync with pax-linux-4.2.3-test5.patch

 arch/x86/include/asm/pgtable-2level.h              |   20 ++++++++++++++++----
 arch/x86/include/asm/pgtable-3level.h              |    8 ++++++++
 arch/x86/include/asm/pgtable_32.h                  |    2 --
 arch/x86/include/asm/pgtable_64.h                  |   20 ++++++++++++++++----
 arch/x86/mm/highmem_32.c                           |    2 --
 arch/x86/mm/init_64.c                              |    2 --
 arch/x86/mm/iomap_32.c                             |    4 ----
 arch/x86/mm/ioremap.c                              |    2 +-
 arch/x86/mm/pgtable.c                              |    2 --
 arch/x86/mm/pgtable_32.c                           |    3 ---
 mm/highmem.c                                       |    6 +-----
 mm/vmalloc.c                                       |   12 +-----------
 .../size_overflow_plugin/size_overflow_hash.data   |    2 --
 13 files changed, 43 insertions(+), 42 deletions(-)

commit 25f4bed80f0d87783793a70d6c20080031a1fd38
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Oct 4 13:06:32 2015 -0400

    Update to pax-linux-4.2.3-test5.patch:
    - forward port to 4.2.3
    - fixed integer sign conversion errors caused by ieee80211_tx_rate_control.max_rate_idx, caught by the size overflow plugin
    - fixed a bug in try_preserve_large_page that caused unnecessary large page split ups
    - increased the number of statically allocated kernel page tables under KERNEXEC/amd64

 arch/x86/include/asm/pgtable-2level.h |    2 ++
 arch/x86/include/asm/pgtable-3level.h |    5 +++++
 arch/x86/include/asm/pgtable_64.h     |    2 ++
 arch/x86/kernel/cpu/bugs_64.c         |    2 ++
 arch/x86/kernel/head_64.S             |   28 +++++++++++++++++++++++-----
 arch/x86/kernel/vmlinux.lds.S         |    8 +++++++-
 arch/x86/mm/init.c                    |   18 ++++++++++++++----
 arch/x86/mm/ioremap.c                 |    8 ++++++--
 arch/x86/mm/pageattr.c                |    5 ++---
 arch/x86/mm/pgtable.c                 |    2 ++
 include/asm-generic/sections.h        |    1 +
 include/asm-generic/vmlinux.lds.h     |    2 ++
 include/net/mac80211.h                |    2 +-
 mm/vmalloc.c                          |    7 ++++++-
 14 files changed, 75 insertions(+), 17 deletions(-)

commit a2dce7cb2e3c389b7ef6c76c15ccdbf506007ddd
Merge: d113ff6 fcba09f
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sat Oct 3 09:12:31 2015 -0400

    Merge branch 'linux-4.2.y' into pax-test

commit d113ff6e7835e89e2b954503b1a100750ddb43c7
Author: Brad Spengler <spender@grsecurity.net>
Date:   Thu Oct 1 21:34:12 2015 -0400

    Update to pax-linux-4.2.2-test5.patch:
    - fixed a RANDKSTACK regression, reported by spender
    - fixed some more compiler warnings due to the ktla_ktva changes, reported by spender

 arch/x86/entry/entry_64.S     |    2 ++
 arch/x86/kernel/process.c     |    1 +
 drivers/hv/hv.c               |    2 +-
 drivers/lguest/x86/core.c     |    4 ++--
 drivers/misc/kgdbts.c         |    4 ++--
 drivers/video/fbdev/uvesafb.c |    4 ++--
 fs/binfmt_elf_fdpic.c         |    2 +-
 7 files changed, 11 insertions(+), 8 deletions(-)

commit 149e32a4dddfae46e2490f011870cd4492ca946c
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Sep 29 16:31:50 2015 -0400

    Update to pax-linux-4.2.2-test4.patch:
    - fixed a few compiler warnings caused by the recently reworked ktla_ktva/ktva_ktla functions, reported by spender
    - Emese fixed a size overflow false positive in the IDE driver, reported by spender

 arch/x86/lib/insn.c                                |    2 +-
 drivers/ide/ide-disk.c                             |    2 +-
 drivers/video/fbdev/vesafb.c                       |    4 ++--
 fs/binfmt_elf.c                                    |    2 +-
 .../size_overflow_plugin/size_overflow_plugin.c    |    4 ++--
 .../size_overflow_transform_core.c                 |   11 +++++------
 6 files changed, 12 insertions(+), 13 deletions(-)

commit 02c41b848fbaddf82ce98690b23d3d85a94d55fe
Merge: b8b2f5b 7659db3
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Sep 29 15:50:40 2015 -0400

    Merge branch 'linux-4.2.y' into pax-test
    
    Conflicts:
    	fs/nfs/inode.c

commit b8b2f5bc93ced0ca9a8366d0f3fa09abd1ca7ac6
Author: Brad Spengler <spender@grsecurity.net>
Date:   Tue Sep 29 09:13:54 2015 -0400

    Initial import of pax-linux-4.2.1-test3.patch

 Documentation/dontdiff                             |   47 +-
 Documentation/kbuild/makefiles.txt                 |   39 +-
 Documentation/kernel-parameters.txt                |   28 +
 Makefile                                           |  108 +-
 arch/alpha/include/asm/atomic.h                    |   10 +
 arch/alpha/include/asm/elf.h                       |    7 +
 arch/alpha/include/asm/pgalloc.h                   |    6 +
 arch/alpha/include/asm/pgtable.h                   |   11 +
 arch/alpha/kernel/module.c                         |    2 +-
 arch/alpha/kernel/osf_sys.c                        |    8 +-
 arch/alpha/mm/fault.c                              |  141 +-
 arch/arm/Kconfig                                   |    2 +-
 arch/arm/include/asm/atomic.h                      |  319 +-
 arch/arm/include/asm/barrier.h                     |    2 +-
 arch/arm/include/asm/cache.h                       |    5 +-
 arch/arm/include/asm/cacheflush.h                  |    2 +-
 arch/arm/include/asm/checksum.h                    |   14 +-
 arch/arm/include/asm/cmpxchg.h                     |    4 +
 arch/arm/include/asm/cpuidle.h                     |    2 +-
 arch/arm/include/asm/domain.h                      |   33 +-
 arch/arm/include/asm/elf.h                         |    9 +-
 arch/arm/include/asm/fncpy.h                       |    2 +
 arch/arm/include/asm/futex.h                       |   10 +
 arch/arm/include/asm/kmap_types.h                  |    2 +-
 arch/arm/include/asm/mach/dma.h                    |    2 +-
 arch/arm/include/asm/mach/map.h                    |   16 +-
 arch/arm/include/asm/outercache.h                  |    2 +-
 arch/arm/include/asm/page.h                        |    3 +-
 arch/arm/include/asm/pgalloc.h                     |   20 +
 arch/arm/include/asm/pgtable-2level-hwdef.h        |    4 +-
 arch/arm/include/asm/pgtable-2level.h              |    3 +
 arch/arm/include/asm/pgtable-3level.h              |    3 +
 arch/arm/include/asm/pgtable.h                     |   54 +-
 arch/arm/include/asm/psci.h                        |    2 +-
 arch/arm/include/asm/smp.h                         |    2 +-
 arch/arm/include/asm/thread_info.h                 |    6 +-
 arch/arm/include/asm/tls.h                         |    3 +
 arch/arm/include/asm/uaccess.h                     |  100 +-
 arch/arm/include/uapi/asm/ptrace.h                 |    2 +-
 arch/arm/kernel/armksyms.c                         |    8 +-
 arch/arm/kernel/cpuidle.c                          |    2 +-
 arch/arm/kernel/entry-armv.S                       |  110 +-
 arch/arm/kernel/entry-common.S                     |   40 +-
 arch/arm/kernel/entry-header.S                     |   60 +
 arch/arm/kernel/fiq.c                              |    3 +
 arch/arm/kernel/head.S                             |    2 +-
 arch/arm/kernel/module.c                           |   38 +-
 arch/arm/kernel/patch.c                            |    2 +
 arch/arm/kernel/process.c                          |   90 +-
 arch/arm/kernel/psci.c                             |    2 +-
 arch/arm/kernel/reboot.c                           |    1 +
 arch/arm/kernel/setup.c                            |   20 +-
 arch/arm/kernel/signal.c                           |   35 +-
 arch/arm/kernel/smp.c                              |    2 +-
 arch/arm/kernel/tcm.c                              |    4 +-
 arch/arm/kernel/traps.c                            |    6 +-
 arch/arm/kernel/vmlinux.lds.S                      |    6 +-
 arch/arm/kvm/arm.c                                 |   10 +-
 arch/arm/lib/clear_user.S                          |    6 +-
 arch/arm/lib/copy_from_user.S                      |    6 +-
 arch/arm/lib/copy_page.S                           |    1 +
 arch/arm/lib/copy_to_user.S                        |    6 +-
 arch/arm/lib/csumpartialcopyuser.S                 |    4 +-
 arch/arm/lib/delay.c                               |    2 +-
 arch/arm/lib/uaccess_with_memcpy.c                 |    8 +-
 arch/arm/mach-exynos/suspend.c                     |    6 +-
 arch/arm/mach-mvebu/coherency.c                    |    4 +-
 arch/arm/mach-omap2/board-n8x0.c                   |    2 +-
 arch/arm/mach-omap2/omap-mpuss-lowpower.c          |    4 +-
 arch/arm/mach-omap2/omap-smp.c                     |    1 +
 arch/arm/mach-omap2/omap-wakeupgen.c               |    2 +-
 arch/arm/mach-omap2/omap_device.c                  |    4 +-
 arch/arm/mach-omap2/omap_device.h                  |    4 +-
 arch/arm/mach-omap2/omap_hwmod.c                   |    4 +-
 arch/arm/mach-omap2/powerdomains43xx_data.c        |    5 +-
 arch/arm/mach-omap2/wd_timer.c                     |    6 +-
 arch/arm/mach-shmobile/platsmp-apmu.c              |    5 +-
 arch/arm/mach-shmobile/pm-r8a7740.c                |    5 +-
 arch/arm/mach-shmobile/pm-sh73a0.c                 |    5 +-
 arch/arm/mach-tegra/cpuidle-tegra20.c              |    2 +-
 arch/arm/mach-tegra/irq.c                          |    1 +
 arch/arm/mach-ux500/pm.c                           |    1 +
 arch/arm/mach-zynq/platsmp.c                       |    1 +
 arch/arm/mm/Kconfig                                |    6 +-
 arch/arm/mm/alignment.c                            |    8 +
 arch/arm/mm/cache-l2x0.c                           |    2 +-
 arch/arm/mm/context.c                              |   10 +-
 arch/arm/mm/fault.c                                |  146 +
 arch/arm/mm/fault.h                                |   12 +
 arch/arm/mm/init.c                                 |   39 +
 arch/arm/mm/ioremap.c                              |    4 +-
 arch/arm/mm/mmap.c                                 |   30 +-
 arch/arm/mm/mmu.c                                  |  182 +-
 arch/arm/net/bpf_jit_32.c                          |    3 +
 arch/arm/plat-iop/setup.c                          |    2 +-
 arch/arm/plat-omap/sram.c                          |    2 +
 arch/arm64/include/asm/atomic.h                    |   10 +
 arch/arm64/include/asm/barrier.h                   |    2 +-
 arch/arm64/include/asm/percpu.h                    |    8 +-
 arch/arm64/include/asm/pgalloc.h                   |    5 +
 arch/arm64/include/asm/uaccess.h                   |    1 +
 arch/arm64/mm/dma-mapping.c                        |    2 +-
 arch/avr32/include/asm/elf.h                       |    8 +-
 arch/avr32/include/asm/kmap_types.h                |    4 +-
 arch/avr32/mm/fault.c                              |   27 +
 arch/frv/include/asm/atomic.h                      |   10 +
 arch/frv/include/asm/kmap_types.h                  |    2 +-
 arch/frv/mm/elf-fdpic.c                            |    3 +-
 arch/ia64/Makefile                                 |    1 +
 arch/ia64/include/asm/atomic.h                     |   10 +
 arch/ia64/include/asm/barrier.h                    |    2 +-
 arch/ia64/include/asm/elf.h                        |    7 +
 arch/ia64/include/asm/pgalloc.h                    |   12 +
 arch/ia64/include/asm/pgtable.h                    |   13 +-
 arch/ia64/include/asm/spinlock.h                   |    2 +-
 arch/ia64/include/asm/uaccess.h                    |   27 +-
 arch/ia64/kernel/module.c                          |   45 +-
 arch/ia64/kernel/palinfo.c                         |    2 +-
 arch/ia64/kernel/sys_ia64.c                        |    7 +
 arch/ia64/kernel/vmlinux.lds.S                     |    2 +-
 arch/ia64/mm/fault.c                               |   32 +-
 arch/ia64/mm/init.c                                |   15 +-
 arch/m32r/lib/usercopy.c                           |    6 +
 arch/metag/include/asm/barrier.h                   |    2 +-
 arch/mips/cavium-octeon/dma-octeon.c               |    2 +-
 arch/mips/include/asm/atomic.h                     |  355 +-
 arch/mips/include/asm/barrier.h                    |    2 +-
 arch/mips/include/asm/elf.h                        |    7 +
 arch/mips/include/asm/exec.h                       |    2 +-
 arch/mips/include/asm/hw_irq.h                     |    2 +-
 arch/mips/include/asm/local.h                      |   57 +
 arch/mips/include/asm/page.h                       |    2 +-
 arch/mips/include/asm/pgalloc.h                    |    5 +
 arch/mips/include/asm/pgtable.h                    |    3 +
 arch/mips/include/asm/uaccess.h                    |    1 +
 arch/mips/kernel/binfmt_elfn32.c                   |    7 +
 arch/mips/kernel/binfmt_elfo32.c                   |    7 +
 arch/mips/kernel/i8259.c                           |    2 +-
 arch/mips/kernel/irq-gt641xx.c                     |    2 +-
 arch/mips/kernel/irq.c                             |    6 +-
 arch/mips/kernel/pm-cps.c                          |    2 +-
 arch/mips/kernel/process.c                         |   12 -
 arch/mips/kernel/sync-r4k.c                        |   24 +-
 arch/mips/kernel/traps.c                           |   13 +-
 arch/mips/kvm/mips.c                               |    2 +-
 arch/mips/mm/fault.c                               |   25 +
 arch/mips/mm/mmap.c                                |   51 +-
 arch/mips/sgi-ip27/ip27-nmi.c                      |    6 +-
 arch/mips/sni/rm200.c                              |    2 +-
 arch/mips/vr41xx/common/icu.c                      |    2 +-
 arch/mips/vr41xx/common/irq.c                      |    4 +-
 arch/parisc/include/asm/atomic.h                   |   10 +
 arch/parisc/include/asm/elf.h                      |    7 +
 arch/parisc/include/asm/pgalloc.h                  |    6 +
 arch/parisc/include/asm/pgtable.h                  |   11 +
 arch/parisc/include/asm/uaccess.h                  |    4 +-
 arch/parisc/kernel/module.c                        |   50 +-
 arch/parisc/kernel/sys_parisc.c                    |   15 +
 arch/parisc/kernel/traps.c                         |    4 +-
 arch/parisc/mm/fault.c                             |  140 +-
 arch/powerpc/include/asm/atomic.h                  |  329 +-
 arch/powerpc/include/asm/barrier.h                 |    2 +-
 arch/powerpc/include/asm/elf.h                     |   12 +
 arch/powerpc/include/asm/exec.h                    |    2 +-
 arch/powerpc/include/asm/kmap_types.h              |    2 +-
 arch/powerpc/include/asm/local.h                   |   46 +
 arch/powerpc/include/asm/mman.h                    |    2 +-
 arch/powerpc/include/asm/page.h                    |    8 +-
 arch/powerpc/include/asm/page_64.h                 |    7 +-
 arch/powerpc/include/asm/pgalloc-64.h              |    7 +
 arch/powerpc/include/asm/pgtable.h                 |    1 +
 arch/powerpc/include/asm/pte-hash32.h              |    1 +
 arch/powerpc/include/asm/reg.h                     |    1 +
 arch/powerpc/include/asm/smp.h                     |    2 +-
 arch/powerpc/include/asm/spinlock.h                |   42 +-
 arch/powerpc/include/asm/uaccess.h                 |  141 +-
 arch/powerpc/kernel/Makefile                       |    5 +
 arch/powerpc/kernel/exceptions-64e.S               |    4 +-
 arch/powerpc/kernel/exceptions-64s.S               |    2 +-
 arch/powerpc/kernel/module_32.c                    |   15 +-
 arch/powerpc/kernel/process.c                      |   46 -
 arch/powerpc/kernel/signal_32.c                    |    2 +-
 arch/powerpc/kernel/signal_64.c                    |    2 +-
 arch/powerpc/kernel/traps.c                        |   21 +
 arch/powerpc/kernel/vdso.c                         |    5 +-
 arch/powerpc/kvm/powerpc.c                         |    2 +-
 arch/powerpc/lib/usercopy_64.c                     |   18 -
 arch/powerpc/mm/fault.c                            |   56 +-
 arch/powerpc/mm/mmap.c                             |   16 +
 arch/powerpc/mm/slice.c                            |   13 +-
 arch/powerpc/platforms/cell/spufs/file.c           |    4 +-
 arch/s390/include/asm/atomic.h                     |   10 +
 arch/s390/include/asm/barrier.h                    |    2 +-
 arch/s390/include/asm/elf.h                        |    7 +
 arch/s390/include/asm/exec.h                       |    2 +-
 arch/s390/include/asm/uaccess.h                    |   13 +-
 arch/s390/kernel/module.c                          |   22 +-
 arch/s390/kernel/process.c                         |   24 -
 arch/s390/mm/mmap.c                                |   16 +
 arch/score/include/asm/exec.h                      |    2 +-
 arch/score/kernel/process.c                        |    5 -
 arch/sh/mm/mmap.c                                  |   22 +-
 arch/sparc/include/asm/atomic_64.h                 |  110 +-
 arch/sparc/include/asm/barrier_64.h                |    2 +-
 arch/sparc/include/asm/cache.h                     |    2 +-
 arch/sparc/include/asm/elf_32.h                    |    7 +
 arch/sparc/include/asm/elf_64.h                    |    7 +
 arch/sparc/include/asm/pgalloc_32.h                |    1 +
 arch/sparc/include/asm/pgalloc_64.h                |    1 +
 arch/sparc/include/asm/pgtable.h                   |    4 +
 arch/sparc/include/asm/pgtable_32.h                |   15 +-
 arch/sparc/include/asm/pgtsrmmu.h                  |    5 +
 arch/sparc/include/asm/setup.h                     |    4 +-
 arch/sparc/include/asm/spinlock_64.h               |   35 +-
 arch/sparc/include/asm/thread_info_32.h            |    1 +
 arch/sparc/include/asm/thread_info_64.h            |    2 +
 arch/sparc/include/asm/uaccess.h                   |    1 +
 arch/sparc/include/asm/uaccess_32.h                |   28 +-
 arch/sparc/include/asm/uaccess_64.h                |   24 +-
 arch/sparc/kernel/Makefile                         |    2 +-
 arch/sparc/kernel/prom_common.c                    |    2 +-
 arch/sparc/kernel/smp_64.c                         |    8 +-
 arch/sparc/kernel/sys_sparc_32.c                   |    2 +-
 arch/sparc/kernel/sys_sparc_64.c                   |   52 +-
 arch/sparc/kernel/traps_64.c                       |   27 +-
 arch/sparc/lib/Makefile                            |    2 +-
 arch/sparc/lib/atomic_64.S                         |   57 +-
 arch/sparc/lib/ksyms.c                             |    6 +-
 arch/sparc/mm/Makefile                             |    2 +-
 arch/sparc/mm/fault_32.c                           |  292 +
 arch/sparc/mm/fault_64.c                           |  486 +
 arch/sparc/mm/hugetlbpage.c                        |   22 +-
 arch/sparc/mm/init_64.c                            |   10 +-
 arch/tile/include/asm/atomic_64.h                  |   10 +
 arch/tile/include/asm/uaccess.h                    |    4 +-
 arch/um/Makefile                                   |    4 +
 arch/um/include/asm/kmap_types.h                   |    2 +-
 arch/um/include/asm/page.h                         |    3 +
 arch/um/include/asm/pgtable-3level.h               |    1 +
 arch/um/kernel/process.c                           |   16 -
 arch/x86/Kconfig                                   |   15 +-
 arch/x86/Kconfig.cpu                               |    6 +-
 arch/x86/Kconfig.debug                             |    4 +-
 arch/x86/Makefile                                  |   13 +-
 arch/x86/boot/Makefile                             |    3 +
 arch/x86/boot/bitops.h                             |    4 +-
 arch/x86/boot/boot.h                               |    2 +-
 arch/x86/boot/compressed/Makefile                  |    3 +
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 net/ipv4/sysctl_net_ipv4.c                         |   22 +-
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 net/ipv6/addrconf.c                                |   16 +-
 net/ipv6/af_inet6.c                                |    2 +-
 net/ipv6/datagram.c                                |    2 +-
 net/ipv6/icmp.c                                    |    2 +-
 net/ipv6/ip6_fib.c                                 |    4 +-
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 net/ipv6/netfilter/ip6_tables.c                    |   12 +-
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 net/irda/ircomm/ircomm_tty.c                       |   18 +-
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 net/l2tp/l2tp_eth.c                                |   38 +-
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 net/l2tp/l2tp_ip6.c                                |    2 +-
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 net/netfilter/ipvs/ip_vs_ctl.c                     |   14 +-
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 net/packet/af_packet.c                             |    8 +-
 net/phonet/pep.c                                   |    6 +-
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 net/rds/ib_cm.c                                    |    2 +-
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 net/rds/iw_cm.c                                    |    2 +-
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 net/sched/sch_generic.c                            |    4 +-
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 net/sunrpc/auth_gss/svcauth_gss.c                  |    4 +-
 net/sunrpc/clnt.c                                  |    4 +-
 net/sunrpc/sched.c                                 |    4 +-
 net/sunrpc/svc.c                                   |    4 +-
 net/sunrpc/svcauth_unix.c                          |    4 +-
 net/sunrpc/xprtrdma/svc_rdma.c                     |   38 +-
 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/tipc/netlink_compat.c                          |   12 +-
 net/tipc/subscr.c                                  |    2 +-
 net/unix/af_unix.c                                 |    7 +-
 net/unix/sysctl_net_unix.c                         |    2 +-
 net/wireless/wext-core.c                           |   19 +-
 net/xfrm/xfrm_policy.c                             |   16 +-
 net/xfrm/xfrm_state.c                              |   33 +-
 net/xfrm/xfrm_sysctl.c                             |    2 +-
 scripts/Kbuild.include                             |    2 +-
 scripts/Makefile.build                             |    2 +-
 scripts/Makefile.clean                             |    3 +-
 scripts/Makefile.host                              |   63 +-
 scripts/basic/fixdep.c                             |   12 +-
 scripts/dtc/checks.c                               |   14 +-
 scripts/dtc/data.c                                 |    6 +-
 scripts/dtc/flattree.c                             |    8 +-
 scripts/dtc/livetree.c                             |    4 +-
 scripts/gcc-plugin.sh                              |   51 +
 scripts/headers_install.sh                         |    1 +
 scripts/kallsyms.c                                 |    4 +-
 scripts/kconfig/lkc.h                              |    5 +-
 scripts/kconfig/menu.c                             |    2 +-
 scripts/kconfig/symbol.c                           |    6 +-
 scripts/link-vmlinux.sh                            |    2 +-
 scripts/mod/file2alias.c                           |   14 +-
 scripts/mod/modpost.c                              |   25 +-
 scripts/mod/modpost.h                              |    6 +-
 scripts/mod/sumversion.c                           |    2 +-
 scripts/module-common.lds                          |    4 +
 scripts/package/builddeb                           |    1 +
 scripts/pnmtologo.c                                |    6 +-
 scripts/sortextable.h                              |    6 +-
 scripts/tags.sh                                    |    2 +-
 security/Kconfig                                   |  691 +-
 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/keys/key.c                                |   18 +-
 security/selinux/avc.c                             |    6 +-
 security/selinux/include/xfrm.h                    |    2 +-
 security/yama/yama_lsm.c                           |    2 +-
 sound/aoa/codecs/onyx.c                            |    7 +-
 sound/aoa/codecs/onyx.h                            |    1 +
 sound/core/oss/pcm_oss.c                           |   18 +-
 sound/core/pcm_compat.c                            |    2 +-
 sound/core/pcm_native.c                            |    4 +-
 sound/core/sound.c                                 |    2 +-
 sound/drivers/mts64.c                              |   14 +-
 sound/drivers/opl4/opl4_lib.c                      |    2 +-
 sound/drivers/portman2x4.c                         |    3 +-
 sound/firewire/amdtp.c                             |    4 +-
 sound/firewire/amdtp.h                             |    4 +-
 sound/firewire/isight.c                            |   10 +-
 sound/firewire/scs1x.c                             |    8 +-
 sound/oss/sb_audio.c                               |    2 +-
 sound/oss/swarm_cs4297a.c                          |    6 +-
 sound/pci/hda/hda_codec.c                          |    2 +-
 sound/pci/ymfpci/ymfpci.h                          |    2 +-
 sound/pci/ymfpci/ymfpci_main.c                     |   12 +-
 sound/soc/soc-ac97.c                               |    6 +-
 sound/soc/xtensa/xtfpga-i2s.c                      |    2 +-
 tools/gcc/Makefile                                 |   42 +
 tools/gcc/checker_plugin.c                         |  150 +
 tools/gcc/colorize_plugin.c                        |  215 +
 tools/gcc/constify_plugin.c                        |  564 +
 tools/gcc/gcc-common.h                             |  790 +
 tools/gcc/initify_plugin.c                         |  450 +
 tools/gcc/kallocstat_plugin.c                      |  188 +
 tools/gcc/kernexec_plugin.c                        |  551 +
 tools/gcc/latent_entropy_plugin.c                  |  470 +
 tools/gcc/size_overflow_plugin/.gitignore          |    2 +
 tools/gcc/size_overflow_plugin/Makefile            |   26 +
 .../disable_size_overflow_hash.data                |11008 ++++++++++++++
 .../generate_size_overflow_hash.sh                 |  103 +
 .../insert_size_overflow_asm.c                     |  409 +
 .../size_overflow_plugin/intentional_overflow.c    |  980 ++
 .../size_overflow_plugin/remove_unnecessary_dup.c  |  137 +
 tools/gcc/size_overflow_plugin/size_overflow.h     |  329 +
 .../gcc/size_overflow_plugin/size_overflow_debug.c |  192 +
 .../size_overflow_plugin/size_overflow_hash.data   |15719 ++++++++++++++++++++
 .../size_overflow_hash_aux.data                    |   92 +
 tools/gcc/size_overflow_plugin/size_overflow_ipa.c | 1373 ++
 .../gcc/size_overflow_plugin/size_overflow_misc.c  |  505 +
 .../size_overflow_plugin/size_overflow_plugin.c    |  318 +
 .../size_overflow_plugin_hash.c                    |  353 +
 .../size_overflow_plugin/size_overflow_transform.c |  576 +
 .../size_overflow_transform_core.c                 |  962 ++
 tools/gcc/stackleak_plugin.c                       |  436 +
 tools/gcc/structleak_plugin.c                      |  287 +
 tools/include/linux/compiler.h                     |    8 +
 tools/lib/api/Makefile                             |    2 +-
 tools/perf/util/include/asm/alternative-asm.h      |    3 +
 tools/virtio/linux/uaccess.h                       |    2 +-
 virt/kvm/kvm_main.c                                |   44 +-
 1963 files changed, 60342 insertions(+), 8946 deletions(-)