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  1. 16 Oct, 2017 2 commits
  3. 11 Oct, 2017 11 commits
  5. 10 Oct, 2017 10 commits
  7. 09 Oct, 2017 17 commits
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · ff33952e
      Linus Torvalds authored 
      Pull networking fixes from David Miller:

 1) Fix object leak on IPSEC offload failure, from Steffen Klassert.

 2) Fix range checks in ipset address range addition operations, from
    Jozsef Kadlecsik.

 3) Fix pernet ops unregistration order in ipset, from Florian Westphal.

 4) Add missing netlink attribute policy for nl80211 packet pattern
    attrs, from Peng Xu.

 5) Fix PPP device destruction race, from Guillaume Nault.

 6) Write marks get lost when BPF verifier processes R1=R2 register
    assignments, causing incorrect liveness information and less state
    pruning. Fix from Alexei Starovoitov.

 7) Fix blockhole routes so that they are marked dead and therefore not
    cached in sockets, otherwise IPSEC stops working. From Steffen
    Klassert.

 8) Fix broadcast handling of UDP socket early demux, from Paolo Abeni.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (37 commits)
  cdc_ether: flag the u-blox TOBY-L2 and SARA-U2 as wwan
  net: thunderx: mark expected switch fall-throughs in nicvf_main()
  udp: fix bcast packet reception
  netlink: do not set cb_running if dump's start() errs
  ipv4: Fix traffic triggered IPsec connections.
  ipv6: Fix traffic triggered IPsec connections.
  ixgbe: incorrect XDP ring accounting in ethtool tx_frame param
  net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
  Revert commit 1a8b6d76 ("net:add one common config...")
  ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register
  ixgbe: Return error when getting PHY address if PHY access is not supported
  netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'
  netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook
  tipc: Unclone message at secondary destination lookup
  tipc: correct initialization of skb list
  gso: fix payload length when gso_size is zero
  mlxsw: spectrum_router: Avoid expensive lookup during route removal
  bpf: fix liveness marking
  doc: Fix typo "8023.ad" in bonding documentation
  ipv6: fix net.ipv6.conf.all.accept_dad behaviour for real
  ...
      ff33952e
    • Aleksander Morgado's avatar
      cdc_ether: flag the u-blox TOBY-L2 and SARA-U2 as wwan · fdfbad32
      Aleksander Morgado authored 
      The u-blox TOBY-L2 is a LTE Cat 4 module with HSPA+ and 2G fallback.
This module allows switching to different USB profiles with the
'AT+UUSBCONF' command, and provides a ECM network interface when the
'AT+UUSBCONF=2' profile is selected.

The u-blox SARA-U2 is a HSPA module with 2G fallback. The default USB
configuration includes a ECM network interface.

Both these modules are controlled via AT commands through one of the
TTYs exposed. Connecting these modules may be done just by activating
the desired PDP context with 'AT+CGACT=1,<cid>' and then running DHCP
on the ECM interface.
Signed-off-by: default avatarAleksander Morgado <aleksander@aleksander.es>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      fdfbad32
    • Linus Torvalds's avatar
      Merge tag 'nfs-for-4.14-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs · 68ebe3cb
      Linus Torvalds authored 
      Pull NFS client bugfixes from Trond Myklebust:
 "Hightlights include:

  stable fixes:
   - nfs/filelayout: fix oops when freeing filelayout segment
   - NFS: Fix uninitialized rpc_wait_queue

  bugfixes:
   - NFSv4/pnfs: Fix an infinite layoutget loop
   - nfs: RPC_MAX_AUTH_SIZE is in bytes"

* tag 'nfs-for-4.14-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4/pnfs: Fix an infinite layoutget loop
  nfs/filelayout: fix oops when freeing filelayout segment
  sunrpc: remove redundant initialization of sock
  NFS: Fix uninitialized rpc_wait_queue
  NFS: Cleanup error handling in nfs_idmap_request_key()
  nfs: RPC_MAX_AUTH_SIZE is in bytes
      68ebe3cb
    • Gustavo A. R. Silva's avatar
      net: thunderx: mark expected switch fall-throughs in nicvf_main() · 1a2ace56
      Gustavo A. R. Silva authored 
      In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Robert Richter <rric@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      1a2ace56
    • David S. Miller's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf · fb60bccc
      David S. Miller authored 
      Pablo Neira Ayuso says:

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

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

1) Fix packet drops due to incorrect ECN handling in IPVS, from Vadim
   Fedorenko.

2) Fix splat with mark restoration in xt_socket with non-full-sock,
   patch from Subash Abhinov Kasiviswanathan.

3) ipset bogusly bails out when adding IPv4 range containing more than
   2^31 addresses, from Jozsef Kadlecsik.

4) Incorrect pernet unregistration order in ipset, from Florian Westphal.

5) Races between dump and swap in ipset results in BUG_ON splats, from
   Ross Lagerwall.

6) Fix chain renames in nf_tables, from JingPiao Chen.

7) Fix race in pernet codepath with ebtables table registration, from
   Artem Savkov.

8) Memory leak in error path in set name allocation in nf_tables, patch
   from Arvind Yadav.

9) Don't dump chain counters if they are not available, this fixes a
   crash when listing the ruleset.

10) Fix out of bound memory read in strlcpy() in x_tables compat code,
    from Eric Dumazet.

11) Make sure we only process TCP packets in SYNPROXY hooks, patch from
    Lin Zhang.

12) Cannot load rules incrementally anymore after xt_bpf with pinned
    objects, added in revision 1. From Shmulik Ladkani.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      fb60bccc
    • David S. Miller's avatar
      Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue · 5766cd68
      David S. Miller authored 
      Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2017-10-09

This series contains updates to ixgbe and arch/Kconfig.

Mark fixes a case where PHY register access is not supported and we were
returning a PHY address, when we should have been returning -EOPNOTSUPP.

Sabrina Dubroca fixes the use of a logical "and" when it should have been
the bitwise "and" operator.

Ding Tianhong reverts the commit that added the Kconfig bool option
ARCH_WANT_RELAX_ORDER, since there is now a new flag
PCI_DEV_FLAGS_NO_RELAXED_ORDERING that has been added to indicate that
Relaxed Ordering Attributes should not be used for Transaction Layer
Packets.  Then follows up with making the needed changes to ixgbe to
use the new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag.

John Fastabend fixes an issue in the ring accounting when the transmit
ring parameters are changed via ethtool when an XDP program is attached.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      5766cd68
    • Paolo Abeni's avatar
      udp: fix bcast packet reception · 996b44fc
      Paolo Abeni authored 
      The commit bc044e8d ("udp: perform source validation for
mcast early demux") does not take into account that broadcast packets
lands in the same code path and they need different checks for the
source address - notably, zero source address are valid for bcast
and invalid for mcast.

As a result, 2nd and later broadcast packets with 0 source address
landing to the same socket are dropped. This breaks dhcp servers.

Since we don't have stringent performance requirements for ingress
broadcast traffic, fix it by disabling UDP early demux such traffic.
Reported-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Fixes: bc044e8d ("udp: perform source validation for mcast early demux")
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      996b44fc
    • Jason A. Donenfeld's avatar
      netlink: do not set cb_running if dump's start() errs · 41c87425
      Jason A. Donenfeld authored 
      It turns out that multiple places can call netlink_dump(), which means
it's still possible to dereference partially initialized values in
dump() that were the result of a faulty returned start().

This fixes the issue by calling start() _before_ setting cb_running to
true, so that there's no chance at all of hitting the dump() function
through any indirect paths.

It also moves the call to start() to be when the mutex is held. This has
the nice side effect of serializing invocations to start(), which is
likely desirable anyway. It also prevents any possible other races that
might come out of this logic.

In testing this with several different pieces of tricky code to trigger
these issues, this commit fixes all avenues that I'm aware of.
Signed-off-by: default avatarJason A. Donenfeld <Jason@zx2c4.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      41c87425
    • David S. Miller's avatar
      Merge tag 'mac80211-for-davem-2017-10-09' of... · 6df4d17c
      David S. Miller authored 
      Merge tag 'mac80211-for-davem-2017-10-09' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
pull-request: mac80211 2017-10-09

The QCA folks found another netlink problem - we were missing validation
of some attributes. It's not super problematic since one can only read a
few bytes beyond the message (and that memory must exist), but here's the
fix for it.

I thought perhaps we can make nla_parse_nested() require a policy, but
given the two-stage validation/parsing in regular netlink that won't work.

Please pull and let me know if there's any problem.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      6df4d17c
    • David S. Miller's avatar
      Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec · 93b03193
      David S. Miller authored 
      Steffen Klassert says:

====================
pull request (net): ipsec 2017-10-09

1) Fix some error paths of the IPsec offloading API.

2) Fix a NULL pointer dereference when IPsec is used
   with vti. From Alexey Kodanev.

3) Don't call xfrm_policy_cache_flush under xfrm_state_lock,
   it triggers several locking warnings. From Artem Savkov.

Please pull or let me know if there are problems.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      93b03193
    • Steffen Klassert's avatar
      ipv4: Fix traffic triggered IPsec connections. · 6c0e7284
      Steffen Klassert authored 
      A recent patch removed the dst_free() on the allocated
dst_entry in ipv4_blackhole_route(). The dst_free() marked the
dst_entry as dead and added it to the gc list. I.e. it was setup
for a one time usage. As a result we may now have a blackhole
route cached at a socket on some IPsec scenarios. This makes the
connection unusable.

Fix this by marking the dst_entry directly at allocation time
as 'dead', so it is used only once.

Fixes: b838d5e1 ("ipv4: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: default avatarTobias Brunner <tobias@strongswan.org>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      6c0e7284
    • Steffen Klassert's avatar
      ipv6: Fix traffic triggered IPsec connections. · 62cf27e5
      Steffen Klassert authored 
      A recent patch removed the dst_free() on the allocated
dst_entry in ipv6_blackhole_route(). The dst_free() marked
the dst_entry as dead and added it to the gc list. I.e. it
was setup for a one time usage. As a result we may now have
a blackhole route cached at a socket on some IPsec scenarios.
This makes the connection unusable.

Fix this by marking the dst_entry directly at allocation time
as 'dead', so it is used only once.

Fixes: 587fea74 ("ipv6: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: default avatarTobias Brunner <tobias@strongswan.org>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      62cf27e5
    • John Fastabend's avatar
      ixgbe: incorrect XDP ring accounting in ethtool tx_frame param · 8e679021
      John Fastabend authored 
      Changing the TX ring parameters with an XDP program attached may
cause the XDP queues to be cleared and the TX rings to be incorrectly
configured.

Fix by doing correct ring accounting in setup call.

Fixes: 33fdc82f ("ixgbe: add support for XDP_TX action")
Signed-off-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
      8e679021
    • Ding Tianhong's avatar
      net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag · 5e0fac63
      Ding Tianhong authored 
      The ixgbe driver use the compile check to determine if it can
send TLPs to Root Port with the Relaxed Ordering Attribute set,
this is too inconvenient, now the new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING
has been added to the kernel and we could check the bit4 in the PCIe
Device Control register to determine whether we should use the Relaxed
Ordering Attributes or not, so use this new way in the ixgbe driver.
Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Acked-by: default avatarEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
      5e0fac63
    • Ding Tianhong's avatar
      Revert commit 1a8b6d76 ("net:add one common config...") · f4986d25
      Ding Tianhong authored 
      The new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING has been added
to indicate that Relaxed Ordering Attributes (RO) should not
be used for Transaction Layer Packets (TLP) targeted toward
these affected Root Port, it will clear the bit4 in the PCIe
Device Control register, so the PCIe device drivers could
query PCIe configuration space to determine if it can send
TLPs to Root Port with the Relaxed Ordering Attributes set.

With this new flag  we don't need the config ARCH_WANT_RELAX_ORDER
to control the Relaxed Ordering Attributes for the ixgbe drivers
just like the commit 1a8b6d76 ("net:add one common config...") did,
so revert this commit.
Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
      f4986d25
    • Sabrina Dubroca's avatar
      ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register · a39221ce
      Sabrina Dubroca authored 
      In ixgbe_clear_udp_tunnel_port(), we read the IXGBE_VXLANCTRL register
and then try to mask some bits out of the value, using the logical
instead of bitwise and operator.

Fixes: a21d0822 ("ixgbe: add support for geneve Rx offload")
Signed-off-by: default avatarSabrina Dubroca <sd@queasysnail.net>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
      a39221ce
    • Mark D Rustad's avatar
      ixgbe: Return error when getting PHY address if PHY access is not supported · e0f06bba
      Mark D Rustad authored 
      In cases where PHY register access is not supported, don't mislead
a caller into thinking that it is supported by returning a PHY
address. Instead, return -EOPNOTSUPP when PHY access is not
supported.
Signed-off-by: default avatarMark Rustad <mark.d.rustad@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
      e0f06bba
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