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Commit Graph

677851 Commits

Author SHA1 Message Date
Jan Kiszka
ad258fb918 i2c: designware: Fix bogus sda_hold_time due to uninitialized vars
We need to initializes those variables to 0 for platforms that do not
provide ACPI parameters. Otherwise, we set sda_hold_time to random
values, breaking e.g. Galileo and IOT2000 boards.

Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Fixes: 9d64084330 ("i2c: designware: don't infer timings described by ACPI from clock rate")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-22 19:22:19 -07:00
Linus Torvalds
86ca984cef Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Mostly netfilter bug fixes in here, but we have some bits elsewhere as
  well.

   1) Don't do SNAT replies for non-NATed connections in IPVS, from
      Julian Anastasov.

   2) Don't delete conntrack helpers while they are still in use, from
      Liping Zhang.

   3) Fix zero padding in xtables's xt_data_to_user(), from Willem de
      Bruijn.

   4) Add proper RCU protection to nf_tables_dump_set() because we
      cannot guarantee that we hold the NFNL_SUBSYS_NFTABLES lock. From
      Liping Zhang.

   5) Initialize rcv_mss in tcp_disconnect(), from Wei Wang.

   6) smsc95xx devices can't handle IPV6 checksums fully, so don't
      advertise support for offloading them. From Nisar Sayed.

   7) Fix out-of-bounds access in __ip6_append_data(), from Eric
      Dumazet.

   8) Make atl2_probe() propagate the error code properly on failures,
      from Alexey Khoroshilov.

   9) arp_target[] in bond_check_params() is used uninitialized. This
      got changes from a global static to a local variable, which is how
      this mistake happened. Fix from Jarod Wilson.

  10) Fix fallout from unnecessary NULL check removal in cls_matchall,
      from Jiri Pirko. This is definitely brown paper bag territory..."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
  net: sched: cls_matchall: fix null pointer dereference
  vsock: use new wait API for vsock_stream_sendmsg()
  bonding: fix randomly populated arp target array
  net: Make IP alignment calulations clearer.
  bonding: fix accounting of active ports in 3ad
  net: atheros: atl2: don't return zero on failure path in atl2_probe()
  ipv6: fix out of bound writes in __ip6_append_data()
  bridge: start hello_timer when enabling KERNEL_STP in br_stp_start
  smsc95xx: Support only IPv4 TCP/UDP csum offload
  arp: always override existing neigh entries with gratuitous ARP
  arp: postpone addr_type calculation to as late as possible
  arp: decompose is_garp logic into a separate function
  arp: fixed error in a comment
  tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0
  netfilter: xtables: fix build failure from COMPAT_XT_ALIGN outside CONFIG_COMPAT
  ebtables: arpreply: Add the standard target sanity check
  netfilter: nf_tables: revisit chain/object refcounting from elements
  netfilter: nf_tables: missing sanitization in data from userspace
  netfilter: nf_tables: can't assume lock is acquired when dumping set elems
  netfilter: synproxy: fix conntrackd interaction
  ...
2017-05-22 12:42:02 -07:00
Jiri Pirko
2d76b2f8b5 net: sched: cls_matchall: fix null pointer dereference
Since the head is guaranteed by the check above to be null, the call_rcu
would explode. Remove the previously logically dead code that was made
logically very much alive and kicking.

Fixes: 985538eee0 ("net/sched: remove redundant null check on head")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 14:54:16 -04:00
WANG Cong
499fde662f vsock: use new wait API for vsock_stream_sendmsg()
As reported by Michal, vsock_stream_sendmsg() could still
sleep at vsock_stream_has_space() after prepare_to_wait():

  vsock_stream_has_space
    vmci_transport_stream_has_space
      vmci_qpair_produce_free_space
        qp_lock
          qp_acquire_queue_mutex
            mutex_lock

Just switch to the new wait API like we did for commit
d9dc8b0f8b ("net: fix sleeping for sk_wait_event()").

Reported-by: Michal Kubecek <mkubecek@suse.cz>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Jorgen Hansen <jhansen@vmware.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 14:39:36 -04:00
Jarod Wilson
72ccc471e1 bonding: fix randomly populated arp target array
In commit dc9c4d0fe0, the arp_target array moved from a static global
to a local variable. By the nature of static globals, the array used to
be initialized to all 0. At present, it's full of random data, which
that gets interpreted as arp_target values, when none have actually been
specified. Systems end up booting with spew along these lines:

[   32.161783] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[   32.168475] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[   32.175089] 8021q: adding VLAN 0 to HW filter on device lacp0
[   32.193091] IPv6: ADDRCONF(NETDEV_UP): lacp0: link is not ready
[   32.204892] lacp0: Setting MII monitoring interval to 100
[   32.211071] lacp0: Removing ARP target 216.124.228.17
[   32.216824] lacp0: Removing ARP target 218.160.255.255
[   32.222646] lacp0: Removing ARP target 185.170.136.184
[   32.228496] lacp0: invalid ARP target 255.255.255.255 specified for removal
[   32.236294] lacp0: option arp_ip_target: invalid value (-255.255.255.255)
[   32.243987] lacp0: Removing ARP target 56.125.228.17
[   32.249625] lacp0: Removing ARP target 218.160.255.255
[   32.255432] lacp0: Removing ARP target 15.157.233.184
[   32.261165] lacp0: invalid ARP target 255.255.255.255 specified for removal
[   32.268939] lacp0: option arp_ip_target: invalid value (-255.255.255.255)
[   32.276632] lacp0: Removing ARP target 16.0.0.0
[   32.281755] lacp0: Removing ARP target 218.160.255.255
[   32.287567] lacp0: Removing ARP target 72.125.228.17
[   32.293165] lacp0: Removing ARP target 218.160.255.255
[   32.298970] lacp0: Removing ARP target 8.125.228.17
[   32.304458] lacp0: Removing ARP target 218.160.255.255

None of these were actually specified as ARP targets, and the driver does
seem to clean up the mess okay, but it's rather noisy and confusing, leaks
values to userspace, and the 255.255.255.255 spew shows up even when debug
prints are disabled.

The fix: just zero out arp_target at init time.

While we're in here, init arp_all_targets_value in the right place.

Fixes: dc9c4d0fe0 ("bonding: reduce scope of some global variables")
CC: Mahesh Bandewar <maheshb@google.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
CC: stable@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 14:38:22 -04:00
David S. Miller
e4eda884db net: Make IP alignment calulations clearer.
The assignmnet:

	ip_align = strict ? 2 : NET_IP_ALIGN;

in compare_pkt_ptr_alignment() trips up Coverity because we can only
get to this code when strict is true, therefore ip_align will always
be 2 regardless of NET_IP_ALIGN's value.

So just assign directly to '2' and explain the situation in the
comment above.

Reported-by: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 12:27:07 -04:00
Jarod Wilson
751da2a69b bonding: fix accounting of active ports in 3ad
As of 7bb11dc9f5 and 0622cab034, bond slaves in a 3ad bond are not
removed from the aggregator when they are down, and the active slave count
is NOT equal to number of ports in the aggregator, but rather the number
of ports in the aggregator that are still enabled. The sysfs spew for
bonding_show_ad_num_ports() has a comment that says "Show number of active
802.3ad ports.", but it's currently showing total number of ports, both
active and inactive. Remedy it by using the same logic introduced in
0622cab034 in __bond_3ad_get_active_agg_info(), so sysfs, procfs and
netlink all report the number of active ports. Note that this means that
IFLA_BOND_AD_INFO_NUM_PORTS really means NUM_ACTIVE_PORTS instead of
NUM_PORTS, and thus perhaps should be renamed for clarity.

Lightly tested on a dual i40e lacp bond, simulating link downs with an ip
link set dev <slave2> down, was able to produce the state where I could
see both in the same aggregator, but a number of ports count of 1.

MII Status: up
Active Aggregator Info:
        Aggregator ID: 1
        Number of ports: 2 <---
Slave Interface: ens10
MII Status: up <---
Aggregator ID: 1
Slave Interface: ens11
MII Status: up
Aggregator ID: 1

MII Status: up
Active Aggregator Info:
        Aggregator ID: 1
        Number of ports: 1 <---
Slave Interface: ens10
MII Status: down <---
Aggregator ID: 1
Slave Interface: ens11
MII Status: up
Aggregator ID: 1

CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 12:05:39 -04:00
Alexey Khoroshilov
bd703a1524 net: atheros: atl2: don't return zero on failure path in atl2_probe()
If dma mask checks fail in atl2_probe(), it breaks off initialization,
deallocates all resources, but returns zero.

The patch adds proper error code return value and
make error code setup unified.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 12:05:01 -04:00
Eric Dumazet
232cd35d08 ipv6: fix out of bound writes in __ip6_append_data()
Andrey Konovalov and idaifish@gmail.com reported crashes caused by
one skb shared_info being overwritten from __ip6_append_data()

Andrey program lead to following state :

copy -4200 datalen 2000 fraglen 2040
maxfraglen 2040 alloclen 2048 transhdrlen 0 offset 0 fraggap 6200

The skb_copy_and_csum_bits(skb_prev, maxfraglen, data + transhdrlen,
fraggap, 0); is overwriting skb->head and skb_shared_info

Since we apparently detect this rare condition too late, move the
code earlier to even avoid allocating skb and risking crashes.

Once again, many thanks to Andrey and syzkaller team.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Reported-by: <idaifish@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-22 11:47:44 -04:00
Linus Torvalds
08332893e3 Linux 4.12-rc2 2017-05-21 19:30:23 -07:00
Linus Torvalds
33c9e97290 x86: fix 32-bit case of __get_user_asm_u64()
The code to fetch a 64-bit value from user space was entirely buggered,
and has been since the code was merged in early 2016 in commit
b2f680380d ("x86/mm/32: Add support for 64-bit __get_user() on 32-bit
kernels").

Happily the buggered routine is almost certainly entirely unused, since
the normal way to access user space memory is just with the non-inlined
"get_user()", and the inlined version didn't even historically exist.

The normal "get_user()" case is handled by external hand-written asm in
arch/x86/lib/getuser.S that doesn't have either of these issues.

There were two independent bugs in __get_user_asm_u64():

 - it still did the STAC/CLAC user space access marking, even though
   that is now done by the wrapper macros, see commit 11f1a4b975
   ("x86: reorganize SMAP handling in user space accesses").

   This didn't result in a semantic error, it just means that the
   inlined optimized version was hugely less efficient than the
   allegedly slower standard version, since the CLAC/STAC overhead is
   quite high on modern Intel CPU's.

 - the double register %eax/%edx was marked as an output, but the %eax
   part of it was touched early in the asm, and could thus clobber other
   inputs to the asm that gcc didn't expect it to touch.

   In particular, that meant that the generated code could look like
   this:

        mov    (%eax),%eax
        mov    0x4(%eax),%edx

   where the load of %edx obviously was _supposed_ to be from the 32-bit
   word that followed the source of %eax, but because %eax was
   overwritten by the first instruction, the source of %edx was
   basically random garbage.

The fixes are trivial: remove the extraneous STAC/CLAC entries, and mark
the 64-bit output as early-clobber to let gcc know that no inputs should
alias with the output register.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: stable@kernel.org   # v4.8+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-21 18:26:54 -07:00
Linus Torvalds
334a023ee5 Clean up x86 unsafe_get/put_user() type handling
Al noticed that unsafe_put_user() had type problems, and fixed them in
commit a7cc722fff ("fix unsafe_put_user()"), which made me look more
at those functions.

It turns out that unsafe_get_user() had a type issue too: it limited the
largest size of the type it could handle to "unsigned long".  Which is
fine with the current users, but doesn't match our existing normal
get_user() semantics, which can also handle "u64" even when that does
not fit in a long.

While at it, also clean up the type cast in unsafe_put_user().  We
actually want to just make it an assignment to the expected type of the
pointer, because we actually do want warnings from types that don't
convert silently.  And it makes the code more readable by not having
that one very long and complex line.

[ This patch might become stable material if we ever end up back-porting
  any new users of the unsafe uaccess code, but as things stand now this
  doesn't matter for any current existing uses. ]

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-21 15:25:46 -07:00
Linus Torvalds
f3926e4c2a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc uaccess fixes from Al Viro:
 "Fix for unsafe_put_user() (no callers currently in mainline, but
  anyone starting to use it will step into that) + alpha osf_wait4()
  infoleak fix"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  osf_wait4(): fix infoleak
  fix unsafe_put_user()
2017-05-21 12:06:44 -07:00
Linus Torvalds
970c305aa8 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
 "A single scheduler fix:

  Prevent idle task from ever being preempted. That makes sure that
  synchronize_rcu_tasks() which is ignoring idle task does not pretend
  that no task is stuck in preempted state. If that happens and idle was
  preempted on a ftrace trampoline the machine crashes due to
  inconsistent state"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/core: Call __schedule() from do_idle() without enabling preemption
2017-05-21 11:52:00 -07:00
Linus Torvalds
e7a3d62749 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "A set of small fixes for the irq subsystem:

   - Cure a data ordering problem with chained interrupts

   - Three small fixlets for the mbigen irq chip"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Fix chained interrupt data ordering
  irqchip/mbigen: Fix the clear register offset calculation
  irqchip/mbigen: Fix potential NULL dereferencing
  irqchip/mbigen: Fix memory mapping code
2017-05-21 11:45:26 -07:00
Xin Long
6d18c732b9 bridge: start hello_timer when enabling KERNEL_STP in br_stp_start
Since commit 76b91c32dd ("bridge: stp: when using userspace stp stop
kernel hello and hold timers"), bridge would not start hello_timer if
stp_enabled is not KERNEL_STP when br_dev_open.

The problem is even if users set stp_enabled with KERNEL_STP later,
the timer will still not be started. It causes that KERNEL_STP can
not really work. Users have to re-ifup the bridge to avoid this.

This patch is to fix it by starting br->hello_timer when enabling
KERNEL_STP in br_stp_start.

As an improvement, it's also to start hello_timer again only when
br->stp_enabled is KERNEL_STP in br_hello_timer_expired, there is
no reason to start the timer again when it's NO_STP.

Fixes: 76b91c32dd ("bridge: stp: when using userspace stp stop kernel hello and hold timers")
Reported-by: Haidong Li <haili@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: Ivan Vecera <cera@cera.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:33:28 -04:00
Nisar Sayed
fe0cd8ca1b smsc95xx: Support only IPv4 TCP/UDP csum offload
When TX checksum offload is used, if the computed checksum is 0 the
LAN95xx device do not alter the checksum to 0xffff.  In the case of ipv4
UDP checksum, it indicates to receiver that no checksum is calculated.
Under ipv6, UDP checksum yields a result of zero must be changed to
0xffff. Hence disabling checksum offload for ipv6 packets.

Signed-off-by: Nisar Sayed <Nisar.Sayed@microchip.com>

Reported-by: popcorn mix <popcornmix@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:31:48 -04:00
David S. Miller
776ee323dd Merge branch 'arp-always-override-existing-neigh-entries-with-gratuitous-ARP'
Ihar Hrachyshka says:

====================
arp: always override existing neigh entries with gratuitous ARP

This patchset is spurred by discussion started at
https://patchwork.ozlabs.org/patch/760372/ where we figured that there is no
real reason for enforcing override by gratuitous ARP packets only when
arp_accept is 1. Same should happen when it's 0 (the default value).

changelog v2: handled review comments by Julian Anastasov
- fixed a mistake in a comment;
- postponed addr_type calculation to as late as possible.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:26:46 -04:00
Ihar Hrachyshka
7d472a59c0 arp: always override existing neigh entries with gratuitous ARP
Currently, when arp_accept is 1, we always override existing neigh
entries with incoming gratuitous ARP replies. Otherwise, we override
them only if new replies satisfy _locktime_ conditional (packets arrive
not earlier than _locktime_ seconds since the last update to the neigh
entry).

The idea behind locktime is to pick the very first (=> close) reply
received in a unicast burst when ARP proxies are used. This helps to
avoid ARP thrashing where Linux would switch back and forth from one
proxy to another.

This logic has nothing to do with gratuitous ARP replies that are
generally not aligned in time when multiple IP address carriers send
them into network.

This patch enforces overriding of existing neigh entries by all incoming
gratuitous ARP packets, irrespective of their time of arrival. This will
make the kernel honour all incoming gratuitous ARP packets.

Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:26:45 -04:00
Ihar Hrachyshka
d9ef2e7bf9 arp: postpone addr_type calculation to as late as possible
The addr_type retrieval can be costly, so it's worth trying to avoid its
calculation as much as possible. This patch makes it calculated only
for gratuitous ARP packets. This is especially important since later we
may want to move is_garp calculation outside of arp_accept block, at
which point the costly operation will be executed for all setups.

The patch is the result of a discussion in net-dev:
http://marc.info/?l=linux-netdev&m=149506354216994

Suggested-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:26:45 -04:00
Ihar Hrachyshka
6fd05633bd arp: decompose is_garp logic into a separate function
The code is quite involving already to earn a separate function for
itself. If anything, it helps arp_process readability.

Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:26:45 -04:00
Ihar Hrachyshka
34eb5fe078 arp: fixed error in a comment
the is_garp code deals just with gratuitous ARP packets, not every
unsolicited packet.

This patch is a result of a discussion in netdev:
http://marc.info/?l=linux-netdev&m=149506354216994

Suggested-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:26:45 -04:00
Wei Wang
499350a5a6 tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0
When tcp_disconnect() is called, inet_csk_delack_init() sets
icsk->icsk_ack.rcv_mss to 0.
This could potentially cause tcp_recvmsg() => tcp_cleanup_rbuf() =>
__tcp_select_window() call path to have division by 0 issue.
So this patch initializes rcv_mss to TCP_MIN_MSS instead of 0.

Reported-by: Andrey Konovalov  <andreyknvl@google.com>
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:24:47 -04:00
Al Viro
a8c39544a6 osf_wait4(): fix infoleak
failing sys_wait4() won't fill struct rusage...

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-21 13:10:07 -04:00
Al Viro
a7cc722fff fix unsafe_put_user()
__put_user_size() relies upon its first argument having the same type as what
the second one points to; the only other user makes sure of that and
unsafe_put_user() should do the same.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-05-21 13:09:57 -04:00
David S. Miller
23416e2304 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter/IPVS fixes for net

The following patchset contains Netfilter/IPVS fixes for your net tree,
they are:

1) When using IPVS in direct-routing mode, normal traffic from the LVS
   host to a back-end server is sometimes incorrectly NATed on the way
   back into the LVS host. Patch to fix this from Julian Anastasov.

2) Calm down clang compilation warning in ctnetlink due to type
   mismatch, from Matthias Kaehlcke.

3) Do not re-setup NAT for conntracks that are already confirmed, this
   is fixing a problem that was introduced in the previous nf-next batch.
   Patch from Liping Zhang.

4) Do not allow conntrack helper removal from userspace cthelper
   infrastructure if already in used. This comes with an initial patch
   to introduce nf_conntrack_helper_put() that is required by this fix.
   From Liping Zhang.

5) Zero the pad when copying data to userspace, otherwise iptables fails
   to remove rules. This is a follow up on the patchset that sorts out
   the internal match/target structure pointer leak to userspace. Patch
   from the same author, Willem de Bruijn. This also comes with a build
   failure when CONFIG_COMPAT is not on, coming in the last patch of
   this series.

6) SYNPROXY crashes with conntrack entries that are created via
   ctnetlink, more specifically via conntrackd state sync. Patch from
   Eric Leblond.

7) RCU safe iteration on set element dumping in nf_tables, from
   Liping Zhang.

8) Missing sanitization of immediate date for the bitwise and cmp
   expressions in nf_tables.

9) Refcounting logic for chain and objects from set elements does not
   integrate into the nf_tables 2-phase commit protocol.

10) Missing sanitization of target verdict in ebtables arpreply target,
    from Gao Feng.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-21 13:00:02 -04:00
Linus Torvalds
56f410cf45 This fixes a bug caused by not cleaning up the new instance unique triggers
when deleting an instance. It also creates a selftest that triggers that bug.
 
 Fix the delayed optimization happening after kprobes boot up self tests
 being removed by freeing of init memory.
 
 Comment kprobes on why the delay optimization is not a problem for removal
 of modules, to keep other developers from searching that riddle.
 
 Fix another rcu isn't watching in stack trace tracing.
 
 Naveen N. Rao (4):
       ftrace: Simplify glob handling in unregister_ftrace_function_probe_func()
       ftrace/instances: Clear function triggers when removing instances
       selftests/ftrace: Fix bashisms
       selftests/ftrace: Add test to remove instance with active event triggers
 
 Steven Rostedt (1):
       tracing: Move postpone selftests to core from early_initcall
 
 Steven Rostedt (VMware) (3):
       ftrace: Remove #ifdef from code and add clear_ftrace_function_probes() stub
       kprobes: Document how optimized kprobes are removed from module unload
       tracing: Make sure RCU is watching before calling a stack trace
 
 Thomas Gleixner (1):
       tracing/kprobes: Enforce kprobes teardown after testing
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Merge tag 'trace-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix a bug caused by not cleaning up the new instance unique triggers
   when deleting an instance. It also creates a selftest that triggers
   that bug.

 - Fix the delayed optimization happening after kprobes boot up self
   tests being removed by freeing of init memory.

 - Comment kprobes on why the delay optimization is not a problem for
   removal of modules, to keep other developers from searching that
   riddle.

 - Fix another case of rcu not watching in stack trace tracing.

* tag 'trace-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Make sure RCU is watching before calling a stack trace
  kprobes: Document how optimized kprobes are removed from module unload
  selftests/ftrace: Add test to remove instance with active event triggers
  selftests/ftrace: Fix bashisms
  ftrace: Remove #ifdef from code and add clear_ftrace_function_probes() stub
  ftrace/instances: Clear function triggers when removing instances
  ftrace: Simplify glob handling in unregister_ftrace_function_probe_func()
  tracing/kprobes: Enforce kprobes teardown after testing
  tracing: Move postpone selftests to core from early_initcall
2017-05-20 23:39:03 -07:00
Linus Torvalds
894e21642d Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "A small collection of fixes that should go into this cycle.

   - a pull request from Christoph for NVMe, which ended up being
     manually applied to avoid pulling in newer bits in master. Mostly
     fibre channel fixes from James, but also a few fixes from Jon and
     Vijay

   - a pull request from Konrad, with just a single fix for xen-blkback
     from Gustavo.

   - a fuseblk bdi fix from Jan, fixing a regression in this series with
     the dynamic backing devices.

   - a blktrace fix from Shaohua, replacing sscanf() with kstrtoull().

   - a request leak fix for drbd from Lars, fixing a regression in the
     last series with the kref changes. This will go to stable as well"

* 'for-linus' of git://git.kernel.dk/linux-block:
  nvmet: release the sq ref on rdma read errors
  nvmet-fc: remove target cpu scheduling flag
  nvme-fc: stop queues on error detection
  nvme-fc: require target or discovery role for fc-nvme targets
  nvme-fc: correct port role bits
  nvme: unmap CMB and remove sysfs file in reset path
  blktrace: fix integer parse
  fuseblk: Fix warning in super_setup_bdi_name()
  block: xen-blkback: add null check to avoid null pointer dereference
  drbd: fix request leak introduced by locking/atomic, kref: Kill kref_sub()
2017-05-20 16:12:30 -07:00
Vijay Immanuel
549f01ae7b nvmet: release the sq ref on rdma read errors
On rdma read errors, release the sq ref that was taken
when the req was initialized. This avoids a hang in
nvmet_sq_destroy() when the queue is being freed.

Signed-off-by: Vijay Immanuel <vijayi@attalasystems.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
James Smart
4b8ba5fa52 nvmet-fc: remove target cpu scheduling flag
Remove NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED. It's unnecessary.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
James Smart
2952a879ba nvme-fc: stop queues on error detection
Per the recommendation by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html

Rather than waiting for reset work thread to stop queues and abort the ios,
immediately stop the queues on error detection. Reset thread will restop
the queues (as it's called on other paths), but it does not appear to have
a side effect.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
James Smart
85e6a6adf8 nvme-fc: require target or discovery role for fc-nvme targets
In order to create an association, the remoteport must be
serving either a target role or a discovery role.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
James Smart
4123109050 nvme-fc: correct port role bits
FC Port roles is a bit mask, not individual values.
Correct nvme definitions to unique bits.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
Jon Derrick
f63572dff1 nvme: unmap CMB and remove sysfs file in reset path
CMB doesn't get unmapped until removal while getting remapped on every
reset. Add the unmapping and sysfs file removal to the reset path in
nvme_pci_disable to match the mapping path in nvme_pci_enable.

Fixes: 202021c1a ("nvme : Add sysfs entry for NVMe CMBs when appropriate")

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Reviewed-By: Stephen Bates <sbates@raithlin.com>
Cc: <stable@vger.kernel.org> # 4.9+
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-20 10:11:34 -06:00
Linus Torvalds
ef82f1ad2e Staging driver fixes for 4.12-rc2
Here are a number of staging driver fixes for 4.12-rc2
 
 Most of them are typec driver fixes found by reviewers and users of the
 code.  There are also some removals of files no longer needed in the
 tree due to the ion driver rewrite in 4.12-rc1, as well as some wifi
 driver fixes.  And to round it out, a MAINTAINERS file update.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are a number of staging driver fixes for 4.12-rc2

  Most of them are typec driver fixes found by reviewers and users of
  the code. There are also some removals of files no longer needed in
  the tree due to the ion driver rewrite in 4.12-rc1, as well as some
  wifi driver fixes. And to round it out, a MAINTAINERS file update.

  All have been in linux-next with no reported issues"

* tag 'staging-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (22 commits)
  MAINTAINERS: greybus-dev list is members-only
  staging: fsl-dpaa2/eth: add ETHERNET dependency
  staging: typec: fusb302: refactor resume retry mechanism
  staging: typec: fusb302: reset i2c_busy state in error
  staging: rtl8723bs: remove re-positioned call to kfree in os_dep/ioctl_cfg80211.c
  staging: rtl8192e: GetTs Fix invalid TID 7 warning.
  staging: rtl8192e: rtl92e_get_eeprom_size Fix read size of EPROM_CMD.
  staging: rtl8192e: fix 2 byte alignment of register BSSIDR.
  staging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory.
  staging: vc04_services: Fix bulk cache maintenance
  staging: ccree: remove extraneous spin_unlock_bh() in error handler
  staging: typec: Fix sparse warnings about incorrect types
  staging: typec: fusb302: do not free gpio from managed resource
  staging: typec: tcpm: Fix Port Power Role field in PS_RDY messages
  staging: typec: tcpm: Respond to Discover Identity commands
  staging: typec: tcpm: Set correct flags in PD request messages
  staging: typec: tcpm: Drop duplicate PD messages
  staging: typec: fusb302: Fix chip->vbus_present init value
  staging: typec: fusb302: Fix module autoload
  staging: typec: tcpci: declare private structure as static
  ...
2017-05-20 09:02:27 -07:00
Linus Torvalds
3202629345 USB fixes for 4.12-rc2
Here are a number of small USB fixes for 4.12-rc2
 
 Most of them come from Johan, in his valiant quest to fix up all drivers
 that could be affected by "malicious" USB devices.  There's also some
 fixes for more "obscure" drivers to handle some of the vmalloc stack
 fallout (which for USB drivers, was always the case, but very few people
 actually ran those systems...)
 
 Other than that, the normal set of xhci and gadget and musb driver fixes
 as well.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB fixes for 4.12-rc2

  Most of them come from Johan, in his valiant quest to fix up all
  drivers that could be affected by "malicious" USB devices. There's
  also some fixes for more "obscure" drivers to handle some of the
  vmalloc stack fallout (which for USB drivers, was always the case, but
  very few people actually ran those systems...)

  Other than that, the normal set of xhci and gadget and musb driver
  fixes as well.

  All have been in linux-next with no reported issues"

* tag 'usb-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (42 commits)
  usb: musb: tusb6010_omap: Do not reset the other direction's packet size
  usb: musb: Fix trying to suspend while active for OTG configurations
  usb: host: xhci-plat: propagate return value of platform_get_irq()
  xhci: Fix command ring stop regression in 4.11
  xhci: remove GFP_DMA flag from allocation
  USB: xhci: fix lock-inversion problem
  usb: host: xhci-ring: don't need to clear interrupt pending for MSI enabled hcd
  usb: host: xhci-mem: allocate zeroed Scratchpad Buffer
  xhci: apply PME_STUCK_QUIRK and MISSING_CAS quirk for Denverton
  usb: xhci: trace URB before giving it back instead of after
  USB: serial: qcserial: add more Lenovo EM74xx device IDs
  USB: host: xhci: use max-port define
  USB: hub: fix SS max number of ports
  USB: hub: fix non-SS hub-descriptor handling
  USB: hub: fix SS hub-descriptor handling
  USB: usbip: fix nonconforming hub descriptor
  USB: gadget: dummy_hcd: fix hub-descriptor removable fields
  doc-rst: fixed kernel-doc directives in usb/typec.rst
  USB: core: of: document reference taken by companion helper
  USB: ehci-platform: fix companion-device leak
  ...
2017-05-20 08:52:34 -07:00
Linus Torvalds
331da109ec Char/Misc driver fixes for 4.12-rc2
Here are 5 small bugfixes for reported issues with 4.12-rc1 and earlier
 kernels.  Nothing huge here, just a lp, mem, vpd, and uio driver fix,
 along with a Kconfig fixup for one of the misc drivers.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are five small bugfixes for reported issues with 4.12-rc1 and
  earlier kernels. Nothing huge here, just a lp, mem, vpd, and uio
  driver fix, along with a Kconfig fixup for one of the misc drivers.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  firmware: Google VPD: Fix memory allocation error handling
  drivers: char: mem: Check for address space wraparound with mmap()
  uio: fix incorrect memory leak cleanup
  misc: pci_endpoint_test: select CRC32
  char: lp: fix possible integer overflow in lp_setup()
2017-05-20 08:44:22 -07:00
Linus Torvalds
ec53c027f3 Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
 - orion_wdt compile-test dependencies
 - sama5d4_wdt: WDDIS handling and a race confition
 - pcwd_usb: fix NULL-deref at probe
 - cadence_wdt: fix timeout setting
 - wdt_pci: fix build error if SOFTWARE_REBOOT is defined
 - iTCO_wdt: all versions count down twice
 - zx2967: remove redundant dev_err call in zx2967_wdt_probe()
 - bcm281xx: Fix use of uninitialized spinlock

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: bcm281xx: Fix use of uninitialized spinlock.
  watchdog: zx2967: remove redundant dev_err call in zx2967_wdt_probe()
  iTCO_wdt: all versions count down twice
  watchdog: wdt_pci: fix build error if define SOFTWARE_REBOOT
  watchdog: cadence_wdt: fix timeout setting
  watchdog: pcwd_usb: fix NULL-deref at probe
  watchdog: sama5d4: fix race condition
  watchdog: sama5d4: fix WDDIS handling
  watchdog: orion: fix compile-test dependencies
2017-05-20 08:35:27 -07:00
Linus Torvalds
cf80a6fbca i915, nouveau, hdlcd and misc fixes.
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Merge tag 'drm-fixes-for-v4.12-rc2' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Mostly nouveau and i915, fairly quiet as usual for rc2"

* tag 'drm-fixes-for-v4.12-rc2' of git://people.freedesktop.org/~airlied/linux:
  drm/atmel-hlcdc: Fix output initialization
  gpu: host1x: select IOMMU_IOVA
  drm/nouveau/fifo/gk104-: Silence a locking warning
  drm/nouveau/secboot: plug memory leak in ls_ucode_img_load_gr() error path
  drm/nouveau: Fix drm poll_helper handling
  drm/i915: don't do allocate_va_range again on PIN_UPDATE
  drm/i915: Fix rawclk readout for g4x
  drm/i915: Fix runtime PM for LPE audio
  drm/i915/glk: Fix DSI "*ERROR* ULPS is still active" messages
  drm/i915/gvt: avoid unnecessary vgpu switch
  drm/i915/gvt: not to restore in-context mmio
  drm/etnaviv: don't put fence in case of submit failure
  drm/i915/gvt: fix typo: "supporte" -> "support"
  drm: hdlcd: Fix the calculation of the scanout start address
2017-05-20 08:29:30 -07:00
Linus Torvalds
6fe1de43c5 SCSI fixes on 20170519
This is the first sweep of mostly minor fixes.  There's one security
 one: the read past the end of a buffer in qedf, and a panic fix for
 lpfc SLI-3 adapters, but the rest are a set of include and build
 dependency tidy ups and assorted other small fixes and updates.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is the first sweep of mostly minor fixes. There's one security
  one: the read past the end of a buffer in qedf, and a panic fix for
  lpfc SLI-3 adapters, but the rest are a set of include and build
  dependency tidy ups and assorted other small fixes and updates"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: pmcraid: remove redundant check to see if request_size is less than zero
  scsi: lpfc: ensure els_wq is being checked before destroying it
  scsi: cxlflash: Select IRQ_POLL
  scsi: qedf: Avoid reading past end of buffer
  scsi: qedf: Cleanup the type of io_log->op
  scsi: lpfc: double lock typo in lpfc_ns_rsp()
  scsi: qedf: properly update arguments position in function call
  scsi: scsi_lib: Add #include <scsi/scsi_transport.h>
  scsi: MAINTAINERS: update OSD entries
  scsi: Skip deleted devices in __scsi_device_lookup
  scsi: lpfc: Fix panic on BFS configuration
  scsi: libfc: do not flood console with messages 'libfc: queue full ...'
2017-05-19 17:46:51 -07:00
Linus Torvalds
8c3fc1643d Merge branch 'libnvdimm-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
 "A couple of compile fixes.

  With the removal of the ->direct_access() method from
  block_device_operations in favor of a new dax_device + dax_operations
  we broke two configurations.

  The CONFIG_BLOCK=n case is fixed by compiling out the block+dax
  helpers in the dax core. Configurations with FS_DAX=n EXT4=y / XFS=y
  and DAX=m fail due to the helpers the builtin filesystem needs being
  in a module, so we stub out the helpers in the FS_DAX=n case."

* 'libnvdimm-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax, xfs, ext4: compile out iomap-dax paths in the FS_DAX=n case
  dax: fix false CONFIG_BLOCK dependency
2017-05-19 17:35:34 -07:00
Linus Torvalds
0bdc6fd232 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
 "A regression fix for I2C that would be great to have in rc2"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: designware: don't infer timings described by ACPI from clock rate
2017-05-19 17:33:08 -07:00
Linus Torvalds
d4c6cd157a IOMMU Fixes for Linux v4.12-rc1
Including:
 
 	* Another compile-fix as a fallout of the recent header-file
 	  cleanup
 
 	* Add a missing IO/TLB flush to the Intel VT-d kdump code path
 
 	* A fix for ARM64 dma code to only access initialized
 	  iova_domain members
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Merge tag 'iommu-fixes-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:

 - another compile-fix as a fallout of the recent header-file cleanup

 - add a missing IO/TLB flush to the Intel VT-d kdump code path

 - a fix for ARM64 dma code to only access initialized iova_domain
   members

* tag 'iommu-fixes-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/mediatek: Include linux/dma-mapping.h
  iommu/vt-d: Flush the IOTLB to get rid of the initial kdump mappings
  iommu/dma: Don't touch invalid iova_domain members
2017-05-19 17:27:28 -07:00
Linus Torvalds
4217fdde34 KVM fixes for v4.12-rc2
ARM:
  - A fix for a build failure introduced in -rc1 when tracepoints are
    enabled on 32-bit ARM.
  - Disabling use of stack pointer protection in the hyp code which can
    cause panics.
  - A handful of VGIC fixes.
  - A fix to the init of the redistributors on GICv3 systems that
    prevented boot with kvmtool on GICv3 systems introduced in -rc1.
  - A number of race conditions fixed in our MMU handling code.
  - A fix for the guest being able to program the debug extensions for
    the host on the 32-bit side.
 
 PPC:
  - Fixes for build failures with PR KVM configurations.
  - A fix for a host crash that can occur on POWER9 with radix guests.
 
 x86:
  - Fixes for nested PML and nested EPT.
  - A fix for crashes caused by reserved bits in SSE MXCSR that could
    have been set by userspace.
  - An optimization of halt polling that fixes high CPU overhead.
  - Fixes for four reports from Dan Carpenter's static checker.
  - A protection around code that shouldn't have been preemptible.
  - A fix for port IO emulation.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "ARM:
   - a fix for a build failure introduced in -rc1 when tracepoints are
     enabled on 32-bit ARM.

   - disable use of stack pointer protection in the hyp code which can
     cause panics.

   - a handful of VGIC fixes.

   - a fix to the init of the redistributors on GICv3 systems that
     prevented boot with kvmtool on GICv3 systems introduced in -rc1.

   - a number of race conditions fixed in our MMU handling code.

   - a fix for the guest being able to program the debug extensions for
     the host on the 32-bit side.

  PPC:
   - fixes for build failures with PR KVM configurations.

   - a fix for a host crash that can occur on POWER9 with radix guests.

  x86:
   - fixes for nested PML and nested EPT.

   - a fix for crashes caused by reserved bits in SSE MXCSR that could
     have been set by userspace.

   - an optimization of halt polling that fixes high CPU overhead.

   - fixes for four reports from Dan Carpenter's static checker.

   - a protection around code that shouldn't have been preemptible.

   - a fix for port IO emulation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (27 commits)
  KVM: x86: prevent uninitialized variable warning in check_svme()
  KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
  KVM: x86: zero base3 of unusable segments
  KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulation
  KVM: x86: Fix potential preemption when get the current kvmclock timestamp
  KVM: Silence underflow warning in avic_get_physical_id_entry()
  KVM: arm/arm64: Hold slots_lock when unregistering kvm io bus devices
  KVM: arm/arm64: Fix bug when registering redist iodevs
  KVM: x86: lower default for halt_poll_ns
  kvm: arm/arm64: Fix use after free of stage2 page table
  kvm: arm/arm64: Force reading uncached stage2 PGD
  KVM: nVMX: fix EPT permissions as reported in exit qualification
  KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled
  KVM: x86: Fix load damaged SSEx MXCSR register
  kvm: nVMX: off by one in vmx_write_pml_buffer()
  KVM: arm: rename pm_fake handler to trap_raz_wi
  KVM: arm: plug potential guest hardware debug leakage
  kvm: arm/arm64: Fix race in resetting stage2 PGD
  KVM: arm/arm64: vgic-v3: Use PREbits to infer the number of ICH_APxRn_EL2 registers
  KVM: arm/arm64: vgic-v3: Do not use Active+Pending state for a HW interrupt
  ...
2017-05-19 15:13:13 -07:00
Linus Torvalds
9e856e4b47 xen: fixes for 4.12 rc2
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Merge tag 'for-linus-4.12b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "Some fixes for the new Xen 9pfs frontend and some minor cleanups"

* tag 'for-linus-4.12b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: make xen_flush_tlb_all() static
  xen: cleanup pvh leftovers from pv-only sources
  xen/9pfs: p9_trans_xen_init and p9_trans_xen_exit can be static
  xen/9pfs: fix return value check in xen_9pfs_front_probe()
2017-05-19 15:06:48 -07:00
Linus Torvalds
1fbbed4137 DeviceTree fixes for 4.12-rc:
- Fix missing allocation failure handling in fdt code
 
 - Fix dtc compile error on 32-bit hosts
 
 - Revert bad sparse changes causing GCC7 warnings
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Merge tag 'devicetree-fixes-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - fix missing allocation failure handling in fdt code

 - fix dtc compile error on 32-bit hosts

 - revert bad sparse changes causing GCC7 warnings

* tag 'devicetree-fixes-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: fdt: add missing allocation-failure check
  dtc: check.c fix compile error
  Partially Revert "of: fix sparse warnings in fdt, irq, reserved mem, and resolver code"
2017-05-19 15:03:24 -07:00
Linus Torvalds
f538a82c07 ARM: SoC fixes (and a cross-arch dt-include fix)
We had a small batch of fixes before -rc1, but here is a larger one. It
 contains a backmerge of 4.12-rc1 since some of the downstream branches we
 merge had that as base; at the same time we already had merged contents
 before -rc1 and rebase wasn't the right solution.
 
 A mix of random smaller fixes and a few things worth pointing out:
 
  - We've started telling people to avoid cross-tree shared branches if all
    they're doing is picking up one or two DT-used constants from a
    shared include file, and instead to use the numeric values on first
    submission. Follow-up moving over to symbolic names are sent in right
    after -rc1, i.e. here. It's only a few minor patches of this type.
 
  - Linus Walleij and others are resurrecting the 'Gemini' platform, and
    wanted a cut-down platform-specific defconfig for it. So I picked that
    up for them.
 
  - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it helps
    people to prepare patches since it's a pain when defconfig and current
    savedefconfig contents differs too much.
 
  - Devicetree additions for some pinctrl drivers for Armada that were
    merged this window. I'd have preferred to see those earlier but it's not
    a huge deail.
 
 The biggest change worth pointing out though since it's touching other
 parts of the tree: We added prefixes to be used when cross-including
 DT contents between arm64 and arm, allowing someone to #include
 <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
 arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
 resulted in a recursive symlink.
 
 Instead, I've now moved it out of arch/*/boot/dts/include, into a shared
 location under scripts/dtc. While I was at it, I consolidated so all
 architectures now behave the same way in this manner.
 
 Rob Herring (DT maintainer) has acked it. I cc:d most other arch
 maintainers but nobody seems to care much; it doesn't really affect them
 since functionality is unchanged for them by default.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "We had a small batch of fixes before -rc1, but here is a larger one.
  It contains a backmerge of 4.12-rc1 since some of the downstream
  branches we merge had that as base; at the same time we already had
  merged contents before -rc1 and rebase wasn't the right solution.

  A mix of random smaller fixes and a few things worth pointing out:

   - We've started telling people to avoid cross-tree shared branches if
     all they're doing is picking up one or two DT-used constants from a
     shared include file, and instead to use the numeric values on first
     submission. Follow-up moving over to symbolic names are sent in
     right after -rc1, i.e. here. It's only a few minor patches of this
     type.

   - Linus Walleij and others are resurrecting the 'Gemini' platform,
     and wanted a cut-down platform-specific defconfig for it. So I
     picked that up for them.

   - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it
     helps people to prepare patches since it's a pain when defconfig
     and current savedefconfig contents differs too much.

   - Devicetree additions for some pinctrl drivers for Armada that were
     merged this window. I'd have preferred to see those earlier but
     it's not a huge deail.

  The biggest change worth pointing out though since it's touching other
  parts of the tree: We added prefixes to be used when cross-including
  DT contents between arm64 and arm, allowing someone to #include
  <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
  arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
  resulted in a recursive symlink.

  Instead, I've now moved it out of arch/*/boot/dts/include, into a
  shared location under scripts/dtc. While I was at it, I consolidated
  so all architectures now behave the same way in this manner.

  Rob Herring (DT maintainer) has acked it. I cc:d most other arch
  maintainers but nobody seems to care much; it doesn't really affect
  them since functionality is unchanged for them by default"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  arm64: dts: rockchip: fix include reference
  firmware: ti_sci: fix strncat length check
  ARM: remove duplicate 'const' annotations'
  arm64: defconfig: enable options needed for QCom DB410c board
  arm64: defconfig: sync with savedefconfig
  ARM: configs: add a gemini defconfig
  devicetree: Move include prefixes from arch to separate directory
  ARM: dts: dra7: Reduce cpu thermal shutdown temperature
  memory: omap-gpmc: Fix debug output for access width
  ARM: dts: LogicPD Torpedo: Fix camera pin mux
  ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES
  ARM: dts: gta04: fix polarity of clocks for mcbsp4
  ARM: dts: dra7: Add power hold and power controller properties to palmas
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
  soc: bcm: brcmstb: Correctly match 7435 SoC
  tee: add ARM_SMCCC dependency
  ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable
  ARM64: dts: mediatek: configure some fixed mmc parameters
  ...
2017-05-19 13:36:56 -07:00
Linus Torvalds
2fe296a61a arm64 fixes/cleanups:
- Avoid taking a mutex in the secondary CPU bring-up path when
   interrupts are disabled
 
 - Ignore perf exclude_hv when the kernel is running in Hyp mode
 
 - Remove redundant instruction in cmpxchg
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes/cleanups from Catalin Marinas:

 - Avoid taking a mutex in the secondary CPU bring-up path when
   interrupts are disabled

 - Ignore perf exclude_hv when the kernel is running in Hyp mode

 - Remove redundant instruction in cmpxchg

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/cpufeature: don't use mutex in bringup path
  arm64: perf: Ignore exclude_hv when kernel is running in HYP
  arm64: Remove redundant mov from LL/SC cmpxchg
2017-05-19 13:34:34 -07:00
Dave Airlie
d51aff16e8 Merge branch 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld into drm-fixes
single hdlcd fix
* 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld:
  drm: hdlcd: Fix the calculation of the scanout start address
2017-05-20 06:00:49 +10:00
Linus Torvalds
e5a489abcf powerpc fixes for 4.12 #3
The headline is a fix for FP/VMX register corruption when using transactional
 memory, and a new selftest to go with it.
 
 Then there's the virt_addr_valid() fix, currently HARDENDED_USERCOPY is tripping
 on that causing some machines to crash.
 
 A few other fairly minor fixes for long tail things, and a couple of fixes for
 code we just merged.
 
 Thanks to:
   Breno Leitao, Gautham R. Shenoy, Michael Neuling, Naveen N. Rao. Nicholas
   Piggin, Paul Mackerras.
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Merge tag 'powerpc-4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "The headliner is a fix for FP/VMX register corruption when using
  transactional memory, and a new selftest to go with it.

  Then there's the virt_addr_valid() fix, currently HARDENDED_USERCOPY
  is tripping on that causing some machines to crash.

  A few other fairly minor fixes for long tail things, and a couple of
  fixes for code we just merged.

  Thanks to: Breno Leitao, Gautham Shenoy, Michael Neuling, Naveen Rao.
  Nicholas Piggin, Paul Mackerras"

* tag 'powerpc-4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/mm: Fix virt_addr_valid() etc. on 64-bit hash
  powerpc/mm: Fix crash in page table dump with huge pages
  powerpc/kprobes: Fix handling of instruction emulation on probe re-entry
  powerpc/powernv: Set NAPSTATELOST after recovering paca on P9 DD1
  selftests/powerpc: Test TM and VMX register state
  powerpc/tm: Fix FP and VMX register corruption
  powerpc/modules: If mprofile-kernel is enabled add it to vermagic
2017-05-19 11:31:38 -07:00