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Commit Graph

647203 Commits

Author SHA1 Message Date
Madalin Bucur
2e3db5a4b9 fsl/fman: enable compilation on ARM64
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:55:35 -05:00
Madalin Bucur
1e33099540 fsl/fman: A007273 only applies to PPC SoCs
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:55:34 -05:00
Madalin Bucur
ae6021d4fc powerpc: fsl/fman: remove fsl,fman from of_device_ids[]
The fsl/fman drivers will use of_platform_populate() on all
supported platforms. Call of_platform_populate() to probe the
FMan sub-nodes.

Signed-off-by: Igal Liberman <igal.liberman@freescale.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:55:34 -05:00
Madalin Bucur
606987b04e fsl/fman: fix 1G support for QSGMII interfaces
QSGMII ports were not advertising 1G speed.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Reviewed-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:55:34 -05:00
David S. Miller
fb3dc5b8ad Merge branch 'phy-broken-modes'
Jerome Brunet says:

====================
phy: Fix integration of eee-broken-modes

The purpose of this series is to fix the integration of the ethernet phy
property "eee-broken-modes" [0]

The v3 of this series has been merged, missing a fix (error reported by
kbuild robot) available in the v4 [1]

More importantly, Florian opposed adding a DT property mapping a device
register this directly [2]. The concern was that the property could be
abused to implement platform configuration policy. After discussing it,
I think we agreed that such information about the HW (defect) should appear
in the platform DT. However, the preferred way is to add a boolean property
for each EEE broken mode.

[0]: http://lkml.kernel.org/r/1480326409-25419-1-git-send-email-jbrunet@baylibre.com
[1]: http://lkml.kernel.org/r/1480348229-25672-1-git-send-email-jbrunet@baylibre.com
[2]: http://lkml.kernel.org/r/e14a3b0c-dc34-be14-48b3-518a0ad0c080@gmail.com
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:50:51 -05:00
jbrunet
308d3165d8 dt: bindings: net: use boolean dt properties for eee broken modes
The patches regarding eee-broken-modes was merged before all people
involved could find an agreement on the best way to move forward.

While we agreed on having a DT property to mark particular modes as broken,
the value used for eee-broken-modes mapped the phy register in very direct
way. Because of this, the concern is that it could be used to implement
configuration policies instead of describing a broken HW.

In the end, having a boolean property for each mode seems to be preferred
over one bit field value mapping the register (too) directly.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:50:50 -05:00
jbrunet
57f3986231 net: phy: use boolean dt properties for eee broken modes
The patches regarding eee-broken-modes was merged before all people
involved could find an agreement on the best way to move forward.

While we agreed on having a DT property to mark particular modes as broken,
the value used for eee-broken-modes mapped the phy register in very direct
way. Because of this, the concern is that it could be used to implement
configuration policies instead of describing a broken HW.

In the end, having a boolean property for each mode seems to be preferred
over one bit field value mapping the register (too) directly.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:50:50 -05:00
jbrunet
3bb9ab6327 net: phy: fix sign type error in genphy_config_eee_advert
In genphy_config_eee_advert, the return value of phy_read_mmd_indirect is
checked to know if the register could be accessed but the result is
assigned to a 'u32'.
Changing to 'int' to correctly get errors from phy_read_mmd_indirect.

Fixes: d853d145ea ("net: phy: add an option to disable EEE advertisement")
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 13:50:49 -05:00
zheng li
0a28cfd51e ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
There is an inconsistent conditional judgement in __ip_append_data and
ip_finish_output functions, the variable length in __ip_append_data just
include the length of application's payload and udp header, don't include
the length of ip header, but in ip_finish_output use
(skb->len > ip_skb_dst_mtu(skb)) as judgement, and skb->len include the
length of ip header.

That causes some particular application's udp payload whose length is
between (MTU - IP Header) and MTU were fragmented by ip_fragment even
though the rst->dev support UFO feature.

Add the length of ip header to length in __ip_append_data to keep
consistent conditional judgement as ip_finish_output for ip fragment.

Signed-off-by: Zheng Li <james.z.li@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-20 10:45:22 -05:00
Pavel Machek
ad688cdbb0 stmmac: fix memory barriers
Fix up memory barriers in stmmac driver. They are meant to protect
against DMA engine, so smp_ variants are certainly wrong, and dma_
variants are preferable.

Signed-off-by: Pavel Machek <pavel@denx.de>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-19 11:05:02 -05:00
Arvind Yadav
162809dfc2 net: ethernet: cavium: octeon: octeon_mgmt: Handle return NULL error from devm_ioremap
Here, If devm_ioremap will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference.
This error check will avoid NULL pointer dereference.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-19 11:03:34 -05:00
Linus Torvalds
52f40e9d65 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes and cleanups from David Miller:

 1) Revert bogus nla_ok() change, from Alexey Dobriyan.

 2) Various bpf validator fixes from Daniel Borkmann.

 3) Add some necessary SET_NETDEV_DEV() calls to hsis_femac and hip04
    drivers, from Dongpo Li.

 4) Several ethtool ksettings conversions from Philippe Reynes.

 5) Fix bugs in inet port management wrt. soreuseport, from Tom Herbert.

 6) XDP support for virtio_net, from John Fastabend.

 7) Fix NAT handling within a vrf, from David Ahern.

 8) Endianness fixes in dpaa_eth driver, from Claudiu Manoil

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (63 commits)
  net: mv643xx_eth: fix build failure
  isdn: Constify some function parameters
  mlxsw: spectrum: Mark split ports as such
  cgroup: Fix CGROUP_BPF config
  qed: fix old-style function definition
  net: ipv6: check route protocol when deleting routes
  r6040: move spinlock in r6040_close as SOFTIRQ-unsafe lock order detected
  irda: w83977af_ir: cleanup an indent issue
  net: sfc: use new api ethtool_{get|set}_link_ksettings
  net: davicom: dm9000: use new api ethtool_{get|set}_link_ksettings
  net: cirrus: ep93xx: use new api ethtool_{get|set}_link_ksettings
  net: chelsio: cxgb3: use new api ethtool_{get|set}_link_ksettings
  net: chelsio: cxgb2: use new api ethtool_{get|set}_link_ksettings
  bpf: fix mark_reg_unknown_value for spilled regs on map value marking
  bpf: fix overflow in prog accounting
  bpf: dynamically allocate digest scratch buffer
  gtp: Fix initialization of Flags octet in GTPv1 header
  gtp: gtp_check_src_ms_ipv4() always return success
  net/x25: use designated initializers
  isdn: use designated initializers
  ...
2016-12-17 20:17:04 -08:00
Linus Torvalds
231753ef78 Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull partial readlink cleanups from Miklos Szeredi.

This is the uncontroversial part of the readlink cleanup patch-set that
simplifies the default readlink handling.

Miklos and Al are still discussing the rest of the series.

* git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  vfs: make generic_readlink() static
  vfs: remove ".readlink = generic_readlink" assignments
  vfs: default to generic_readlink()
  vfs: replace calling i_op->readlink with vfs_readlink()
  proc/self: use generic_readlink
  ecryptfs: use vfs_get_link()
  bad_inode: add missing i_op initializers
2016-12-17 19:16:12 -08:00
Sudip Mukherjee
3e3397e7b1 net: mv643xx_eth: fix build failure
The build of sparc allmodconfig fails with the error:
"of_irq_to_resource" [drivers/net/ethernet/marvell/mv643xx_eth.ko]
	undefined!

of_irq_to_resource() is defined when CONFIG_OF_IRQ is defined. And also
CONFIG_OF_IRQ can only be defined if CONFIG_IRQ is defined. So we can
safely use #if defined(CONFIG_OF_IRQ) in the code.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:47:26 -05:00
Emese Revfy
a6b3c48312 isdn: Constify some function parameters
The coming initify gcc plugin expects const pointer types, and caught
some __printf arguments that weren't const yet. This fixes those.

Signed-off-by: Emese Revfy <re.emese@gmail.com>
[kees: expanded commit message]
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:46:35 -05:00
Ido Schimmel
9a60c90722 mlxsw: spectrum: Mark split ports as such
When a port is split we should mark it as such, as otherwise the split
ports aren't renamed correctly (e.g. sw1p3 -> sw1p3s1) and the unsplit
operation fails:

$ devlink port split sw1p3 count 4
$ devlink port unsplit eth0
devlink answers: Invalid argument
[  598.565307] mlxsw_spectrum 0000:03:00.0 eth0: Port wasn't split

Fixes: 67963a33b4 ("mlxsw: Make devlink port instances independent of spectrum/switchx2 port instances")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: Tamir Winetroub <tamirw@mellanox.com>
Reviewed-by: Elad Raz <eladr@mellanox.com>
Tested-by: Tamir Winetroub <tamirw@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:44:51 -05:00
Linus Torvalds
0110c350c8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more vfs updates from Al Viro:
 "In this pile:

   - autofs-namespace series
   - dedupe stuff
   - more struct path constification"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (40 commits)
  ocfs2: implement the VFS clone_range, copy_range, and dedupe_range features
  ocfs2: charge quota for reflinked blocks
  ocfs2: fix bad pointer cast
  ocfs2: always unlock when completing dio writes
  ocfs2: don't eat io errors during _dio_end_io_write
  ocfs2: budget for extent tree splits when adding refcount flag
  ocfs2: prohibit refcounted swapfiles
  ocfs2: add newlines to some error messages
  ocfs2: convert inode refcount test to a helper
  simple_write_end(): don't zero in short copy into uptodate
  exofs: don't mess with simple_write_{begin,end}
  9p: saner ->write_end() on failing copy into non-uptodate page
  fix gfs2_stuffed_write_end() on short copies
  fix ceph_write_end()
  nfs_write_end(): fix handling of short copies
  vfs: refactor clone/dedupe_file_range common functions
  fs: try to clone files first in vfs_copy_file_range
  vfs: misc struct path constification
  namespace.c: constify struct path passed to a bunch of primitives
  quota: constify struct path in quota_on
  ...
2016-12-17 18:44:00 -08:00
Andy Lutomirski
483c4933ea cgroup: Fix CGROUP_BPF config
CGROUP_BPF depended on SOCK_CGROUP_DATA which can't be manually
enabled, making it rather challenging to turn CGROUP_BPF on.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:42:45 -05:00
David S. Miller
67a72a5891 Three fixes:
* avoid a WARN_ON() when trying to use WEP with AP_VLANs
  * ensure enough headroom on mesh forwarding packets
  * don't report unknown/invalid rates to userspace
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Merge tag 'mac80211-for-davem-2016-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Three fixes:
 * avoid a WARN_ON() when trying to use WEP with AP_VLANs
 * ensure enough headroom on mesh forwarding packets
 * don't report unknown/invalid rates to userspace
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:41:33 -05:00
Arnd Bergmann
7729bad4fd qed: fix old-style function definition
The newly added file causes a harmless warning, with "make W=1":

drivers/net/ethernet/qlogic/qed/qed_iscsi.c: In function 'qed_get_iscsi_ops':
drivers/net/ethernet/qlogic/qed/qed_iscsi.c:1268:29: warning: old-style function definition [-Wold-style-definition]

This makes it a proper prototype.

Fixes: fc831825f9 ("qed: Add support for hardware offloaded iSCSI.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:37:41 -05:00
Mantas M
c2ed1880fd net: ipv6: check route protocol when deleting routes
The protocol field is checked when deleting IPv4 routes, but ignored for
IPv6, which causes problems with routing daemons accidentally deleting
externally set routes (observed by multiple bird6 users).

This can be verified using `ip -6 route del <prefix> proto something`.

Signed-off-by: Mantas Mikulėnas <grawity@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:37:06 -05:00
Manuel Bessler
c762eaa777 r6040: move spinlock in r6040_close as SOFTIRQ-unsafe lock order detected
'ifconfig eth0 down' makes r6040_close() trigger:
 INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected

Fixed by moving calls to phy_stop(), napi_disable(), netif_stop_queue()
to outside of the module's private spin_lock_irq block.

Found on a Versalogic Tomcat SBC with a Vortex86 SoC

s1660e_5150:~# sudo ifconfig eth0 down
[   61.306415] ======================================================
[   61.306415] [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ]
[   61.306415] 4.9.0-gb898d2d-manuel #1 Not tainted
[   61.306415] ------------------------------------------------------
[   61.306415] ifconfig/449 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[   61.306415]  (&dev->lock){+.+...}, at: [<c1336276>] phy_stop+0x16/0x80

[   61.306415] and this task is already holding:
[   61.306415]  (&(&lp->lock)->rlock){+.-...}, at: [<d0934c84>] r6040_close+0x24/0x230 [r6040]
which would create a new lock dependency:
[   61.306415]  (&(&lp->lock)->rlock){+.-...} -> (&dev->lock){+.+...}

[   61.306415] but this new dependency connects a SOFTIRQ-irq-safe lock:
[   61.306415]  (&(&lp->lock)->rlock){+.-...}
[   61.306415] ... which became SOFTIRQ-irq-safe at:
[   61.306415]   [   61.306415] [<c1075bc5>] __lock_acquire+0x555/0x1770
[   61.306415]   [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]   [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]   [   61.306415] [<d0934ac0>] r6040_start_xmit+0x30/0x1d0 [r6040]
[   61.306415]   [   61.306415] [<c13a7d4d>] dev_hard_start_xmit+0x9d/0x2d0
[   61.306415]   [   61.306415] [<c13c8a38>] sch_direct_xmit+0xa8/0x140
[   61.306415]   [   61.306415] [<c13a8436>] __dev_queue_xmit+0x416/0x780
[   61.306415]   [   61.306415] [<c13a87aa>] dev_queue_xmit+0xa/0x10
[   61.306415]   [   61.306415] [<c13b4837>] neigh_resolve_output+0x147/0x220
[   61.306415]   [   61.306415] [<c144541b>] ip6_finish_output2+0x2fb/0x910
[   61.306415]   [   61.306415] [<c14494e6>] ip6_finish_output+0xa6/0x1a0
[   61.306415]   [   61.306415] [<c1449635>] ip6_output+0x55/0x320
[   61.306415]   [   61.306415] [<c146f4d2>] mld_sendpack+0x352/0x560
[   61.306415]   [   61.306415] [<c146fe55>] mld_ifc_timer_expire+0x155/0x280
[   61.306415]   [   61.306415] [<c108b081>] call_timer_fn+0x81/0x270
[   61.306415]   [   61.306415] [<c108b331>] expire_timers+0xc1/0x180
[   61.306415]   [   61.306415] [<c108b4f7>] run_timer_softirq+0x77/0x150
[   61.306415]   [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]   [   61.306415] [<c101a15c>] do_softirq_own_stack+0x1c/0x30
[   61.306415]   [   61.306415] [<c104416e>] irq_exit+0x8e/0xa0
[   61.306415]   [   61.306415] [<c1019d31>] do_IRQ+0x51/0x100
[   61.306415]   [   61.306415] [<c14bc176>] common_interrupt+0x36/0x40
[   61.306415]   [   61.306415] [<c1134928>] set_root+0x68/0xf0
[   61.306415]   [   61.306415] [<c1136120>] path_init+0x400/0x640
[   61.306415]   [   61.306415] [<c11386bf>] path_lookupat+0xf/0xe0
[   61.306415]   [   61.306415] [<c1139ebc>] filename_lookup+0x6c/0x100
[   61.306415]   [   61.306415] [<c1139fd5>] user_path_at_empty+0x25/0x30
[   61.306415]   [   61.306415] [<c11298c6>] SyS_faccessat+0x86/0x1e0
[   61.306415]   [   61.306415] [<c1129a30>] SyS_access+0x10/0x20
[   61.306415]   [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]   [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415] to a SOFTIRQ-irq-unsafe lock:
[   61.306415]  (&dev->lock){+.+...}
[   61.306415] ... which became SOFTIRQ-irq-unsafe at:
[   61.306415] ...[   61.306415]
[   61.306415] [<c1075c0c>] __lock_acquire+0x59c/0x1770
[   61.306415]   [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]   [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]   [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]   [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]   [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]   [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]   [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]   [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]   [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]   [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]   [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]   [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]   [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]   [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]   [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]   [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]   [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]   [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]   [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]   [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]   [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]   [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415] other info that might help us debug this:
[   61.306415]
[   61.306415]  Possible interrupt unsafe locking scenario:
[   61.306415]
[   61.306415]        CPU0                    CPU1
[   61.306415]        ----                    ----
[   61.306415]   lock(&dev->lock);
[   61.306415]                                local_irq_disable();
[   61.306415]                                lock(&(&lp->lock)->rlock);
[   61.306415]                                lock(&dev->lock);
[   61.306415]   <Interrupt>
[   61.306415]     lock(&(&lp->lock)->rlock);
[   61.306415]
[   61.306415]  *** DEADLOCK ***
[   61.306415]
[   61.306415] 2 locks held by ifconfig/449:
[   61.306415]  #0:  (rtnl_mutex){+.+.+.}, at: [<c13b68ef>] rtnl_lock+0xf/0x20
[   61.306415]  #1:  (&(&lp->lock)->rlock){+.-...}, at: [<d0934c84>] r6040_close+0x24/0x230 [r6040]
[   61.306415]
[   61.306415] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[   61.306415] -> (&(&lp->lock)->rlock){+.-...} ops: 3049 {
[   61.306415]    HARDIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075be7>] __lock_acquire+0x577/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14bb21b>] _raw_spin_lock+0x1b/0x30
[   61.306415]                     [   61.306415] [<d09343cc>] r6040_poll+0x2c/0x330 [r6040]
[   61.306415]                     [   61.306415] [<c13a5577>] net_rx_action+0x197/0x340
[   61.306415]                     [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]                     [   61.306415] [<c1044037>] run_ksoftirqd+0x17/0x40
[   61.306415]                     [   61.306415] [<c105fe91>] smpboot_thread_fn+0x141/0x180
[   61.306415]                     [   61.306415] [<c105c84e>] kthread+0xde/0x110
[   61.306415]                     [   61.306415] [<c14bb949>] ret_from_fork+0x19/0x30
[   61.306415]    IN-SOFTIRQ-W at:
[   61.306415]                     [   61.306415] [<c1075bc5>] __lock_acquire+0x555/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]                     [   61.306415] [<d0934ac0>] r6040_start_xmit+0x30/0x1d0 [r6040]
[   61.306415]                     [   61.306415] [<c13a7d4d>] dev_hard_start_xmit+0x9d/0x2d0
[   61.306415]                     [   61.306415] [<c13c8a38>] sch_direct_xmit+0xa8/0x140
[   61.306415]                     [   61.306415] [<c13a8436>] __dev_queue_xmit+0x416/0x780
[   61.306415]                     [   61.306415] [<c13a87aa>] dev_queue_xmit+0xa/0x10
[   61.306415]                     [   61.306415] [<c13b4837>] neigh_resolve_output+0x147/0x220
[   61.306415]                     [   61.306415] [<c144541b>] ip6_finish_output2+0x2fb/0x910
[   61.306415]                     [   61.306415] [<c14494e6>] ip6_finish_output+0xa6/0x1a0
[   61.306415]                     [   61.306415] [<c1449635>] ip6_output+0x55/0x320
[   61.306415]                     [   61.306415] [<c146f4d2>] mld_sendpack+0x352/0x560
[   61.306415]                     [   61.306415] [<c146fe55>] mld_ifc_timer_expire+0x155/0x280
[   61.306415]                     [   61.306415] [<c108b081>] call_timer_fn+0x81/0x270
[   61.306415]                     [   61.306415] [<c108b331>] expire_timers+0xc1/0x180
[   61.306415]                     [   61.306415] [<c108b4f7>] run_timer_softirq+0x77/0x150
[   61.306415]                     [   61.306415] [<c1043d04>] __do_softirq+0xb4/0x3d0
[   61.306415]                     [   61.306415] [<c101a15c>] do_softirq_own_stack+0x1c/0x30
[   61.306415]                     [   61.306415] [<c104416e>] irq_exit+0x8e/0xa0
[   61.306415]                     [   61.306415] [<c1019d31>] do_IRQ+0x51/0x100
[   61.306415]                     [   61.306415] [<c14bc176>] common_interrupt+0x36/0x40
[   61.306415]                     [   61.306415] [<c1134928>] set_root+0x68/0xf0
[   61.306415]                     [   61.306415] [<c1136120>] path_init+0x400/0x640
[   61.306415]                     [   61.306415] [<c11386bf>] path_lookupat+0xf/0xe0
[   61.306415]                     [   61.306415] [<c1139ebc>] filename_lookup+0x6c/0x100
[   61.306415]                     [   61.306415] [<c1139fd5>] user_path_at_empty+0x25/0x30
[   61.306415]                     [   61.306415] [<c11298c6>] SyS_faccessat+0x86/0x1e0
[   61.306415]                     [   61.306415] [<c1129a30>] SyS_access+0x10/0x20
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    INITIAL USE at:
[   61.306415]                    [   61.306415] [<c107586e>] __lock_acquire+0x1fe/0x1770
[   61.306415]                    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                    [   61.306415] [<c14bb334>] _raw_spin_lock_irqsave+0x24/0x40
[   61.306415]                    [   61.306415] [<d093474e>] r6040_get_stats+0x1e/0x60 [r6040]
[   61.306415]                    [   61.306415] [<c139fb16>] dev_get_stats+0x96/0xc0
[   61.306415]                    [   61.306415] [<c14b416e>] rtnl_fill_stats+0x36/0xfd
[   61.306415]                    [   61.306415] [<c13b7b3c>] rtnl_fill_ifinfo+0x47c/0xce0
[   61.306415]                    [   61.306415] [<c13bc08e>] rtmsg_ifinfo_build_skb+0x4e/0xd0
[   61.306415]                    [   61.306415] [<c13bc120>] rtmsg_ifinfo.part.20+0x10/0x40
[   61.306415]                    [   61.306415] [<c13bc16b>] rtmsg_ifinfo+0x1b/0x20
[   61.306415]                    [   61.306415] [<c13a9d19>] register_netdevice+0x409/0x550
[   61.306415]                    [   61.306415] [<c13a9e72>] register_netdev+0x12/0x20
[   61.306415]                    [   61.306415] [<d09357e8>] r6040_init_one+0x3e8/0x500 [r6040]
[   61.306415]                    [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                    [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                    [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                    [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                    [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                    [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                    [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                    [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                    [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                    [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                    [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                    [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                    [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]  }
[   61.306415]  ... key      at: [<d0936280>] __key.45893+0x0/0xfffff739 [r6040]
[   61.306415]  ... acquired at:
[   61.306415]    [   61.306415] [<c1074a32>] check_irq_usage+0x42/0xb0
[   61.306415]    [   61.306415] [<c107677c>] __lock_acquire+0x110c/0x1770
[   61.306415]    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]    [   61.306415] [<c1336276>] phy_stop+0x16/0x80
[   61.306415]    [   61.306415] [<d0934ce9>] r6040_close+0x89/0x230 [r6040]
[   61.306415]    [   61.306415] [<c13a0a91>] __dev_close_many+0x61/0xa0
[   61.306415]    [   61.306415] [<c13a0bbf>] __dev_close+0x1f/0x30
[   61.306415]    [   61.306415] [<c13a9127>] __dev_change_flags+0x87/0x150
[   61.306415]    [   61.306415] [<c13a9213>] dev_change_flags+0x23/0x60
[   61.306415]    [   61.306415] [<c1416238>] devinet_ioctl+0x5f8/0x6f0
[   61.306415]    [   61.306415] [<c1417f75>] inet_ioctl+0x65/0x90
[   61.306415]    [   61.306415] [<c1389b54>] sock_ioctl+0x124/0x2b0
[   61.306415]    [   61.306415] [<c113cf7c>] do_vfs_ioctl+0x7c/0x790
[   61.306415]    [   61.306415] [<c113d6b8>] SyS_ioctl+0x28/0x50
[   61.306415]    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415]
the dependencies between the lock to be acquired[   61.306415]  and SOFTIRQ-irq-unsafe lock:
[   61.306415] -> (&dev->lock){+.+...} ops: 56 {
[   61.306415]    HARDIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075be7>] __lock_acquire+0x577/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                     [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                     [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                     [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                     [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                     [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                     [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                     [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                     [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                     [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                     [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                     [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                     [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                     [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                     [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                     [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                     [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                     [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                     [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    SOFTIRQ-ON-W at:
[   61.306415]                     [   61.306415] [<c1075c0c>] __lock_acquire+0x59c/0x1770
[   61.306415]                     [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                     [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                     [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                     [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                     [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                     [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                     [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                     [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                     [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                     [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                     [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                     [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                     [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                     [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                     [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                     [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                     [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                     [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                     [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                     [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                     [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                     [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]    INITIAL USE at:
[   61.306415]                    [   61.306415] [<c107586e>] __lock_acquire+0x1fe/0x1770
[   61.306415]                    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]                    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]                    [   61.306415] [<c133747d>] phy_probe+0x4d/0xc0
[   61.306415]                    [   61.306415] [<c1338afe>] phy_attach_direct+0xbe/0x190
[   61.306415]                    [   61.306415] [<c1338ca7>] phy_connect_direct+0x17/0x60
[   61.306415]                    [   61.306415] [<c1338d23>] phy_connect+0x33/0x70
[   61.306415]                    [   61.306415] [<d09357a0>] r6040_init_one+0x3a0/0x500 [r6040]
[   61.306415]                    [   61.306415] [<c12a78c7>] pci_device_probe+0x77/0xd0
[   61.306415]                    [   61.306415] [<c12f5e15>] driver_probe_device+0x145/0x280
[   61.306415]                    [   61.306415] [<c12f5fd9>] __driver_attach+0x89/0x90
[   61.306415]                    [   61.306415] [<c12f43ef>] bus_for_each_dev+0x4f/0x80
[   61.306415]                    [   61.306415] [<c12f5954>] driver_attach+0x14/0x20
[   61.306415]                    [   61.306415] [<c12f55b7>] bus_add_driver+0x197/0x210
[   61.306415]                    [   61.306415] [<c12f6a21>] driver_register+0x51/0xd0
[   61.306415]                    [   61.306415] [<c12a6955>] __pci_register_driver+0x45/0x50
[   61.306415]                    [   61.306415] [<d0938017>] 0xd0938017
[   61.306415]                    [   61.306415] [<c100043f>] do_one_initcall+0x2f/0x140
[   61.306415]                    [   61.306415] [<c10e48c0>] do_init_module+0x4a/0x19b
[   61.306415]                    [   61.306415] [<c10a680e>] load_module+0x1b2e/0x2070
[   61.306415]                    [   61.306415] [<c10a6eb9>] SyS_finit_module+0x69/0x80
[   61.306415]                    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]                    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]  }
[   61.306415]  ... key      at: [<c1f28f39>] __key.43998+0x0/0x8
[   61.306415]  ... acquired at:
[   61.306415]    [   61.306415] [<c1074a32>] check_irq_usage+0x42/0xb0
[   61.306415]    [   61.306415] [<c107677c>] __lock_acquire+0x110c/0x1770
[   61.306415]    [   61.306415] [<c107717c>] lock_acquire+0x7c/0x150
[   61.306415]    [   61.306415] [<c14b7add>] mutex_lock_nested+0x2d/0x4a0
[   61.306415]    [   61.306415] [<c1336276>] phy_stop+0x16/0x80
[   61.306415]    [   61.306415] [<d0934ce9>] r6040_close+0x89/0x230 [r6040]
[   61.306415]    [   61.306415] [<c13a0a91>] __dev_close_many+0x61/0xa0
[   61.306415]    [   61.306415] [<c13a0bbf>] __dev_close+0x1f/0x30
[   61.306415]    [   61.306415] [<c13a9127>] __dev_change_flags+0x87/0x150
[   61.306415]    [   61.306415] [<c13a9213>] dev_change_flags+0x23/0x60
[   61.306415]    [   61.306415] [<c1416238>] devinet_ioctl+0x5f8/0x6f0
[   61.306415]    [   61.306415] [<c1417f75>] inet_ioctl+0x65/0x90
[   61.306415]    [   61.306415] [<c1389b54>] sock_ioctl+0x124/0x2b0
[   61.306415]    [   61.306415] [<c113cf7c>] do_vfs_ioctl+0x7c/0x790
[   61.306415]    [   61.306415] [<c113d6b8>] SyS_ioctl+0x28/0x50
[   61.306415]    [   61.306415] [<c100179f>] do_int80_syscall_32+0x3f/0x110
[   61.306415]    [   61.306415] [<c14bba3f>] restore_all+0x0/0x61
[   61.306415]
[   61.306415]
[   61.306415] stack backtrace:
[   61.306415] CPU: 0 PID: 449 Comm: ifconfig Not tainted 4.9.0-gb898d2d-manuel #1
[   61.306415] Call Trace:
[   61.306415]  dump_stack+0x16/0x19
[   61.306415]  check_usage+0x3f6/0x550
[   61.306415]  ? check_usage+0x4d/0x550
[   61.306415]  check_irq_usage+0x42/0xb0
[   61.306415]  __lock_acquire+0x110c/0x1770
[   61.306415]  lock_acquire+0x7c/0x150
[   61.306415]  ? phy_stop+0x16/0x80
[   61.306415]  mutex_lock_nested+0x2d/0x4a0
[   61.306415]  ? phy_stop+0x16/0x80
[   61.306415]  ? r6040_close+0x24/0x230 [r6040]
[   61.306415]  ? __delay+0x9/0x10
[   61.306415]  phy_stop+0x16/0x80
[   61.306415]  r6040_close+0x89/0x230 [r6040]
[   61.306415]  __dev_close_many+0x61/0xa0
[   61.306415]  __dev_close+0x1f/0x30
[   61.306415]  __dev_change_flags+0x87/0x150
[   61.306415]  dev_change_flags+0x23/0x60
[   61.306415]  devinet_ioctl+0x5f8/0x6f0
[   61.306415]  inet_ioctl+0x65/0x90
[   61.306415]  sock_ioctl+0x124/0x2b0
[   61.306415]  ? dlci_ioctl_set+0x30/0x30
[   61.306415]  do_vfs_ioctl+0x7c/0x790
[   61.306415]  ? trace_hardirqs_on+0xb/0x10
[   61.306415]  ? call_rcu_sched+0xd/0x10
[   61.306415]  ? __put_cred+0x32/0x50
[   61.306415]  ? SyS_faccessat+0x178/0x1e0
[   61.306415]  SyS_ioctl+0x28/0x50
[   61.306415]  do_int80_syscall_32+0x3f/0x110
[   61.306415]  entry_INT80_32+0x2f/0x2f
[   61.306415] EIP: 0xb764d364
[   61.306415] EFLAGS: 00000286 CPU: 0
[   61.306415] EAX: ffffffda EBX: 00000004 ECX: 00008914 EDX: bfa99d7c
[   61.306415] ESI: bfa99e4c EDI: fffffffe EBP: 00000004 ESP: bfa99d58
[   61.306415]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[   63.836607] r6040 0000:00:08.0 eth0: Link is Down

Signed-off-by: Manuel Bessler <manuel.bessler@sensus.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:35:12 -05:00
Dan Carpenter
3a7f0762a6 irda: w83977af_ir: cleanup an indent issue
In commit 99d8d2159d ("irda: w83977af_ir: Neaten logging"), we
accidentally added an extra tab to these lines.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:32:58 -05:00
Philippe Reynes
7cafe8f824 net: sfc: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Bert Kenward <bkenward@solarflare.com>
Acked-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
99bff5ee44 net: davicom: dm9000: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
93dfe6c290 net: cirrus: ep93xx: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
b7b44fd23e net: chelsio: cxgb3: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
Philippe Reynes
49cad93909 net: chelsio: cxgb2: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:31:41 -05:00
David S. Miller
6219d05506 Merge branch 'bpf-fixes'
Daniel Borkmann says:

====================
Couple of BPF fixes

This set contains three BPF fixes for net, one that addresses the
complaint from Geert wrt static allocations, and the other is a fix
wrt mem accounting that I found recently during testing and there's
still one more fix on the map value marking.

Thanks!

v1 -> v2:
  - Patch 1 as is.
  - Fixed kbuild bot issue by letting charging helpers stay in the
    syscall.c, since there locked_vm is valid and only export the
    ones needed by bpf_prog_realloc(). Add empty stubs in case the
    bpf syscall is not enabled.
  - Added patch 3 that addresses one more issue in map val marking.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:27:45 -05:00
Daniel Borkmann
6760bf2ddd bpf: fix mark_reg_unknown_value for spilled regs on map value marking
Martin reported a verifier issue that hit the BUG_ON() for his
test case in the mark_reg_unknown_value() function:

  [  202.861380] kernel BUG at kernel/bpf/verifier.c:467!
  [...]
  [  203.291109] Call Trace:
  [  203.296501]  [<ffffffff811364d5>] mark_map_reg+0x45/0x50
  [  203.308225]  [<ffffffff81136558>] mark_map_regs+0x78/0x90
  [  203.320140]  [<ffffffff8113938d>] do_check+0x226d/0x2c90
  [  203.331865]  [<ffffffff8113a6ab>] bpf_check+0x48b/0x780
  [  203.343403]  [<ffffffff81134c8e>] bpf_prog_load+0x27e/0x440
  [  203.355705]  [<ffffffff8118a38f>] ? handle_mm_fault+0x11af/0x1230
  [  203.369158]  [<ffffffff812d8188>] ? security_capable+0x48/0x60
  [  203.382035]  [<ffffffff811351a4>] SyS_bpf+0x124/0x960
  [  203.393185]  [<ffffffff810515f6>] ? __do_page_fault+0x276/0x490
  [  203.406258]  [<ffffffff816db320>] entry_SYSCALL_64_fastpath+0x13/0x94

This issue got uncovered after the fix in a08dd0da53 ("bpf: fix
regression on verifier pruning wrt map lookups"). The reason why it
wasn't noticed before was, because as mentioned in a08dd0da53,
mark_map_regs() was doing the id matching incorrectly based on the
uncached regs[regno].id. So, in the first loop, we walked all regs
and as soon as we found regno == i, then this reg's id was cleared
when calling mark_reg_unknown_value() thus that every subsequent
register was probed against id of 0 (which, in combination with the
PTR_TO_MAP_VALUE_OR_NULL type is an invalid condition that no other
register state can hold), and therefore wasn't type transitioned such
as in the spilled register case for the second loop.

Now since that got fixed, it turned out that 57a09bf0a4 ("bpf:
Detect identical PTR_TO_MAP_VALUE_OR_NULL registers") used
mark_reg_unknown_value() incorrectly for the spilled regs, and thus
hitting the BUG_ON() in some cases due to regno >= MAX_BPF_REG.

Although spilled regs have the same type as the non-spilled regs
for the verifier state, that is, struct bpf_reg_state, they are
semantically different from the non-spilled regs. In other words,
there can be up to 64 (MAX_BPF_STACK / BPF_REG_SIZE) spilled regs
in the stack, for example, register R<x> could have been spilled by
the program to stack location X, Y, Z, and in mark_map_regs() we
need to scan these stack slots of type STACK_SPILL for potential
registers that we have to transition from PTR_TO_MAP_VALUE_OR_NULL.
Therefore, depending on the location, the spilled_regs regno can
be a lot higher than just MAX_BPF_REG's value since we operate on
stack instead. The reset in mark_reg_unknown_value() itself is
just fine, only that the BUG_ON() was inappropriate for this. Fix
it by making a __mark_reg_unknown_value() version that can be
called from mark_map_reg() generically; we know for the non-spilled
case that the regno is always < MAX_BPF_REG anyway.

Fixes: 57a09bf0a4 ("bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL registers")
Reported-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:27:44 -05:00
Daniel Borkmann
5ccb071e97 bpf: fix overflow in prog accounting
Commit aaac3ba95e ("bpf: charge user for creation of BPF maps and
programs") made a wrong assumption of charging against prog->pages.
Unlike map->pages, prog->pages are still subject to change when we
need to expand the program through bpf_prog_realloc().

This can for example happen during verification stage when we need to
expand and rewrite parts of the program. Should the required space
cross a page boundary, then prog->pages is not the same anymore as
its original value that we used to bpf_prog_charge_memlock() on. Thus,
we'll hit a wrap-around during bpf_prog_uncharge_memlock() when prog
is freed eventually. I noticed this that despite having unlimited
memlock, programs suddenly refused to load with EPERM error due to
insufficient memlock.

There are two ways to fix this issue. One would be to add a cached
variable to struct bpf_prog that takes a snapshot of prog->pages at the
time of charging. The other approach is to also account for resizes. I
chose to go with the latter for a couple of reasons: i) We want accounting
rather to be more accurate instead of further fooling limits, ii) adding
yet another page counter on struct bpf_prog would also be a waste just
for this purpose. We also do want to charge as early as possible to
avoid going into the verifier just to find out later on that we crossed
limits. The only place that needs to be fixed is bpf_prog_realloc(),
since only here we expand the program, so we try to account for the
needed delta and should we fail, call-sites check for outcome anyway.
On cBPF to eBPF migrations, we don't grab a reference to the user as
they are charged differently. With that in place, my test case worked
fine.

Fixes: aaac3ba95e ("bpf: charge user for creation of BPF maps and programs")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:27:44 -05:00
Daniel Borkmann
aafe6ae9ce bpf: dynamically allocate digest scratch buffer
Geert rightfully complained that 7bd509e311 ("bpf: add prog_digest
and expose it via fdinfo/netlink") added a too large allocation of
variable 'raw' from bss section, and should instead be done dynamically:

  # ./scripts/bloat-o-meter kernel/bpf/core.o.1 kernel/bpf/core.o.2
  add/remove: 3/0 grow/shrink: 0/0 up/down: 33291/0 (33291)
  function                                     old     new   delta
  raw                                            -   32832  +32832
  [...]

Since this is only relevant during program creation path, which can be
considered slow-path anyway, lets allocate that dynamically and be not
implicitly dependent on verifier mutex. Move bpf_prog_calc_digest() at
the beginning of replace_map_fd_with_map_ptr() and also error handling
stays straight forward.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 21:27:44 -05:00
Linus Torvalds
d9cb5bfcc3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile updates from Chris Metcalf:
 "Another grab-bag of miscellaneous changes"

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: use __ro_after_init instead of tile-specific __write_once
  tile: migrate exception table users off module.h and onto extable.h
  tile: remove #pragma unroll from finv_buffer_remote()
  tile-module: Rename jump labels in module_alloc()
  tile-module: Use kmalloc_array() in module_alloc()
  tile/pci_gx: fix spelling mistake: "delievered" -> "delivered"
2016-12-17 17:05:49 -08:00
Linus Torvalds
0f484e42ba Merge tag 'kvmgt-vfio-mdev-for-v4.10-rc1' of git://github.com/01org/gvt-linux
Pull i915/gvt KVMGT updates from Zhenyu Wang:
 "KVMGT support depending on the VFIO/mdev framework"

* tag 'kvmgt-vfio-mdev-for-v4.10-rc1' of git://github.com/01org/gvt-linux:
  drm/i915/gvt/kvmgt: add vfio/mdev support to KVMGT
  drm/i915/gvt/kvmgt: read/write GPA via KVM API
  drm/i915/gvt/kvmgt: replace kmalloc() by kzalloc()
2016-12-17 16:47:31 -08:00
Linus Torvalds
af79ce47ef Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:

 - updated support for Synaptics RMI4 devices, including support for
   SMBus controllers, firmware update support, sensor tuning, and PS/2
   guest support

 - ALPS driver now supports tracksticks on SS5 controllers

 - i8042 now uses chassis info to skip selftest on Asus laptops as list
   of individual models became too unwieldy

 - miscellaneous fixes to other drivers

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (67 commits)
  Input: imx6ul_tsc - generalize the averaging property
  Input: drv260x - use generic device properties
  Input: drv260x - use temporary for &client->dev
  Input: drv260x - fix input device's parent assignment
  Input: synaptics-rmi4 - add support for F34 V7 bootloader
  Input: drv260x - fix initializing overdrive voltage
  Input: ALPS - fix protcol -> protocol
  Input: i8042 - comment #else/#endif of CONFIG_PNP
  Input: lpc32xx-keys - fix invalid error handling of a requested irq
  Input: synaptics-rmi4 - fix debug for sensor clip
  Input: synaptics-rmi4 - store the attn data in the driver
  Input: synaptics-rmi4 - allow to add attention data
  Input: synaptics-rmi4 - f03 - grab data passed by transport device
  Input: synaptics-rmi4 - add support for F03
  Input: imx6ul_tsc - convert int to u32
  Input: imx6ul_tsc - add mask when set REG_ADC_CFG
  Input: synaptics-rmi4 - have only one struct platform data
  Input: synaptics-rmi4 - remove EXPORT_SYMBOL_GPL for internal functions
  Input: synaptics-rmi4 - remove mutex calls while updating the firmware
  Input: drv2667 - fix misuse of regmap_update_bits
  ...
2016-12-17 16:45:00 -08:00
Linus Torvalds
c07dee7348 MTD updates for v4.10-rc1:
Core:
 
   * dynamic BDI object allocation (resolves some problems when built as a
     module)
   * cleanups in the ooblayout handling
 
 NAND:
 
   * new tango NAND controller driver
   * new ox820 NAND controller driver
   * addition of a new full-ID entry in the nand_ids table
   * rework of the s3c240 driver to support DT
   * extension of the nand_sdr_timings to expose tCCS, tPROG and tR
   * addition of a new flag to ask the core to wait for tCCS when sending
     a RNDIN/RNDOUT command
   * addition of a new flag to ask the core to let the controller driver
     send the READ/PROGPAGE command
 
   Minor fixes/cleanup/cosmetic changes:
   * properly support 512 ECC step size in the sunxi driver
   * improve the error messages in the PXA probe path
   * fix module autoload in the omap2 driver
   * cleanup of several nand drivers to return nand_scan{_tail}() error
     code instead of returning -EIO
   * various cleanups in the denali driver
   * fix an error check in nandsim
 
 SPI NOR:
 
   * new flash IDs
   * wait for Spansion flash to be ready after quad-enable
   * error handling fixes for Candence QSPI
   * constify some structures in Freescale QSPI driver
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Merge tag 'for-linus-20161216' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "Nothing enormous here, though notably we have some of the first work
  of a few new maintainers. I think for now I'll still be sending pull
  requests, but that's open to change in the future. Summary:

  Core:

   - dynamic BDI object allocation (resolves some problems when built as
     a module)
   - cleanups in the ooblayout handling

  NAND:

   - new tango NAND controller driver
   - new ox820 NAND controller driver
   - addition of a new full-ID entry in the nand_ids table
   - rework of the s3c240 driver to support DT
   - extension of the nand_sdr_timings to expose tCCS, tPROG and tR
   - addition of a new flag to ask the core to wait for tCCS when
     sending a RNDIN/RNDOUT command
   - addition of a new flag to ask the core to let the controller driver
     send the READ/PROGPAGE command

  Minor fixes/cleanup/cosmetic changes:

   - properly support 512 ECC step size in the sunxi driver
   - improve the error messages in the PXA probe path
   - fix module autoload in the omap2 driver
   - cleanup of several nand drivers to return nand_scan{_tail}() error
     code instead of returning -EIO
   - various cleanups in the denali driver
   - fix an error check in nandsim

  SPI NOR:

   - new flash IDs
   - wait for Spansion flash to be ready after quad-enable
   - error handling fixes for Candence QSPI
   - constify some structures in Freescale QSPI driver"

* tag 'for-linus-20161216' of git://git.infradead.org/linux-mtd: (71 commits)
  mtd: Allocate bdi objects dynamically
  mtd: nand: tango: Add standard legalese header
  mtd: maps: add missing iounmap() in error path
  mtd: spi-nor: constify fsl_qspi_devtype_data
  mtd: spi-nor: Add support for mr25h40
  mtd: spi-nor: Add support for N25Q016A
  mtd: spi-nor: Add at25df321 spi-nor flash support
  mtd: spi-nor: Fix some error codes in cqspi_setup_flash()
  mtd: spi-nor: Off by one in cqspi_setup_flash()
  mtd: spi-nor: add support for s25fl208k
  mtd: spi-nor: fix flags for s25fl128s
  mtd: spi-nor: fix spansion quad enable
  mtd: spi-nor: add Macronix mx25u25635f to list of known devices.
  mtd: mtdswap: fix spelling mistake "erassure" -> "erasure"
  mtd: bcm47xxpart: fix parsing first block after aligned TRX
  mtd: nand: tango: Use nand_to_mtd() instead of directly accessing chip->mtd
  mtd: remove unneeded initializer in mtd_ooblayout_count_bytes()
  mtd: use min_t() to refactor mtd_ooblayout_{get, set}_bytes()
  mtd: remove unneeded initializer in mtd_ooblayout_{get, set}_bytes()
  mtd: nand: nandsim: fix error check
  ...
2016-12-17 16:41:10 -08:00
Linus Torvalds
135c919758 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild misc updates from Michal Marek:

 - one new coccinelle check and improvements to irqf_oneshot.cocci

 - 'make rpm' POSIX compatibility fix

 - 'make deb-pkg' arm64 cross-compiling fix. I forgot to send this one
   during the v4.9 rc-phase, therefor the pull request is based on -rc6
   and not -rc1

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Coccinelle: misc: Add support for devm variant in all modes
  Coccinelle: misc: Improve the result given by context mode
  Coccinelle: misc: Improve the matching of rules
  kbuild/mkspec: avoid using brace expansion
  Coccinelle: Add misc/boolconv.cocci
  builddeb: fix cross-building to arm64 producing host-arch debs
2016-12-17 16:32:27 -08:00
Linus Torvalds
37861ffa8c Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig updates from Michal Marek:

 - 'make xconfig' gui fixes

 - 'make nconfig' fix for options with long prompts

 - fix 'make nconfig' warning when pkg-config forces -D_GNU_SOURCE

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  xconfig: fix missing suboption and help panels on first run
  xconfig: fix 'Show Debug' functionality
  kconfig/nconf: Fix hang when editing symbol with a long prompt
  Scripts: kconfig: nconf: fix _GNU_SOURCE redefined warning
2016-12-17 16:30:24 -08:00
Linus Torvalds
41e0e24b45 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:

 - prototypes for x86 asm-exported symbols (Adam Borowski) and a warning
   about missing CRCs (Nick Piggin)

 - asm-exports fix for LTO (Nicolas Pitre)

 - thin archives improvements (Nick Piggin)

 - linker script fix for CONFIG_LD_DEAD_CODE_DATA_ELIMINATION (Nick
   Piggin)

 - genksyms support for __builtin_va_list keyword

 - misc minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  x86/kbuild: enable modversions for symbols exported from asm
  kbuild: fix scripts/adjust_autoksyms.sh* for the no modules case
  scripts/kallsyms: remove last remnants of --page-offset option
  make use of make variable CURDIR instead of calling pwd
  kbuild: cmd_export_list: tighten the sed script
  kbuild: minor improvement for thin archives build
  kbuild: modpost warn if export version crc is missing
  kbuild: keep data tables through dead code elimination
  kbuild: improve linker compatibility with lib-ksyms.o build
  genksyms: Regenerate parser
  kbuild/genksyms: handle va_list type
  kbuild: thin archives for multi-y targets
  kbuild: kallsyms allow 3-pass generation if symbols size has changed
2016-12-17 16:24:13 -08:00
Linus Torvalds
0aaf2146ec This pull contains one set of changes: a conversion of the crypto DocBook
to Sphinx.
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Merge tag 'docs-4.10-2' of git://git.lwn.net/linux

Pull more documentation updates from Jonathan Corbet:
 "This converts the crypto DocBook to Sphinx"

* tag 'docs-4.10-2' of git://git.lwn.net/linux:
  crypto: doc - optimize compilation
  crypto: doc - clarify AEAD memory structure
  crypto: doc - remove crypto_alloc_ablkcipher
  crypto: doc - add KPP documentation
  crypto: doc - fix separation of cipher / req API
  crypto: doc - fix source comments for Sphinx
  crypto: doc - remove crypto API DocBook
  crypto: doc - convert crypto API documentation to Sphinx
2016-12-17 16:00:34 -08:00
David S. Miller
40e972ab65 Merge branch 'gtp-fixes'
Pablo Neira Ayuso says:

====================
GTP tunneling fixes for net

The following patchset contains two GTP tunneling fixes for your net
tree, they are:

1) Offset to IPv4 header in gtp_check_src_ms_ipv4() is incorrect, thus
   this function always succeeds and therefore this defeats this sanity
   check. This allows packets that have no PDP to go though, patch from
   Lionel Gauthier.

2) According to Note 0 of Figure 2 in Section 6 of 3GPP TS 29.060 v13.5.0
   Release 13, always set GTPv1 reserved bit to zero. This may cause
   interoperability problems, patch from Harald Welte.

Please, apply, thanks a lot!
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 12:00:26 -05:00
Harald Welte
d928be81b4 gtp: Fix initialization of Flags octet in GTPv1 header
When generating a GTPv1 header in gtp1_push_header(), initialize the
'reserved' bit to zero.  All 3GPP specifications for GTPv1 from Release
99 through Release 13 agree that a transmitter shall set this bit to
zero, see e.g. Note 0 of Figure 2 in Section 6 of 3GPP TS 29.060 v13.5.0
Release 13, available from
http://www.etsi.org/deliver/etsi_ts/129000_129099/129060/13.05.00_60/ts_129060v130500p.pdf

Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 12:00:25 -05:00
Lionel Gauthier
88edf10315 gtp: gtp_check_src_ms_ipv4() always return success
gtp_check_src_ms_ipv4() did not find the PDP context matching with the
UE IP address because the memory location is not right, but the result
is inverted by the Boolean "not" operator.  So whatever is the PDP
context, any call to this function is successful.

Signed-off-by: Lionel Gauthier <Lionel.Gauthier@eurecom.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 12:00:25 -05:00
Kees Cook
e999cb43d5 net/x25: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
ebf12f1320 isdn: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
9751362a4f bna: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
aabd7ad949 WAN: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
9d1c0ca5e1 net: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
99a5e178bd ATM: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00
Kees Cook
4794195058 isdn/gigaset: use designated initializers
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-17 11:56:57 -05:00