Commit Graph

707147 Commits

Author SHA1 Message Date
Chao Yu
1228b482c4 f2fs: fix to flush multiple device in checkpoint
If f2fs manages multiple devices, in checkpoint, we need to issue flush
in those devices which contain dirty data/node in their cache before
we write checkpoint region, otherwise, filesystem metadata could be
corrupted if hitting SPO after checkpoint.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:53 -07:00
Chao Yu
39d787bec4 f2fs: enhance multiple device flush
When multiple device feature is enabled, during ->fsync we will issue
flush in all devices to make sure node/data of the file being persisted
into storage. But some flushes of device could be unneeded as file's
data may be not writebacked into those devices. So this patch adds and
manage bitmap per inode in global cache to indicate which device is
dirty and it needs to issue flush during ->fsync, hence, we could improve
performance of fsync in scenario of multiple device.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:53 -07:00
Chao Yu
b77061bfcb f2fs: fix to show ino management cache size correctly
It needs to stat size of ino management cache with all type instead of
orphan ino type.

Fixes: 652be55162 ("f2fs: show # of orphan inodes")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:53 -07:00
Chao Yu
3f06252f7a f2fs: drop FI_UPDATE_WRITE tag after f2fs_issue_flush
If we failed to issue flush in ->fsync, we need to keep FI_UPDATE_WRITE
flag to make sure triggering flush in next ->fsync.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:53 -07:00
Chao Yu
9a4ffdf558 f2fs: obsolete ALLOC_NID_LIST list
As Fan Li reported, there is no user traversing nid_list[ALLOC_NID_LIST]
which is used for tracking preallocated nids. Let's drop it, and only
track preallocated nids in free_nid_root radix-tree.

Reported-by: Fan Li <fanofcode.li@samsung.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:53 -07:00
Weichao Guo
71ad682c1c f2fs: convert inline data for direct I/O & FI_NO_PREALLOC
In FI_NO_PREALLOC cases, direct I/O path may allocate blocks for an
inode but keep its inline data flag. This inconsistency may trigger
vfs clear_inode nrpages bug_on when evicting the inode. We should
convert inline data first in this case.

Signed-off-by: Weichao Guo <guoweichao@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Hsiang Kao
71cb4afff8 f2fs: allow readpages with NULL file pointer
Keep in line with the other Linux file system implementations
since page_cache_sync_readahead supports NULL file pointer,
and thus we can readahead data by f2fs itself without file opening
(something like the btrfs behavior).

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Chao Yu
14d8d5f7de f2fs: show flush list status in sysfs
This patch adds to show flush list status in sysfs.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Chao Yu
63840695f6 f2fs: introduce read_xattr_block
Commit ba38c27eb9 ("f2fs: enhance lookup xattr") introduces
lookup_all_xattrs duplicating from read_all_xattrs, which leaves
lots of similar codes in between them, so introduce new help
read_xattr_block to clean up redundant codes.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Chao Yu
a5f433f741 f2fs: introduce read_inline_xattr
Commit ba38c27eb9 ("f2fs: enhance lookup xattr") introduces
lookup_all_xattrs duplicating from read_all_xattrs, which leaves
lots of similar codes in between them, so introduce new help
read_inline_xattr to clean up redundant codes.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Chao Yu
c1fe3e9814 Revert "f2fs: reuse nids more aggressively"
Commit 2683446646 ("f2fs: reuse nids more aggressively") tries to
reuse nids as many as possilbe, in order to mitigate producing obsolete
node pages in page cache.

But acutally, before we reuse the nids and related node page cache,
we will always invalidate that node page, so there will be not any
obsolete node pages in cache.

Let's just revert previous commit, so that nm_i::next_scan_nid can be
increased ascendingly, making __build_free_nids traverses all NAT pages
more easily, finally, free nid bitmap cache can be enabled as soon as
possible.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:52 -07:00
Yunlong Song
91f4382b50 Revert "f2fs: node segment is prior to data segment selected victim"
This reverts commit b9cd20619e.

That patch causes much fewer node segments (which can be used for SSR)
than before, and in the corner case (e.g. create and delete *.txt files in
one same directory, there will be very few node segments but many data
segments), if the reserved free segments are all used up during gc, then
the write_checkpoint can still flush dentry pages to data ssr segments,
but will probably fail to flush node pages to node ssr segments, since
there are not enough node ssr segments left (the left ones are all
full).

So revert this patch to give a fair chance to let node segments remain
for SSR, which provides more robustness for corner cases.

Conflicts:
	fs/f2fs/gc.c

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-10-10 12:49:51 -07:00
Linus Torvalds
7056964a85 f2fs-for-4.14-rc5
This contains one bug fix which causes a kernel panic during fstrim introduced
 in 4.14-rc1.
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Merge tag 'f2fs-for-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs fix from Jaegeuk Kim:
 "This contains one bug fix which causes a kernel panic during fstrim
  introduced in 4.14-rc1"

* tag 'f2fs-for-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  f2fs: fix potential panic during fstrim
2017-10-10 11:04:00 -07:00
Linus Torvalds
da93b8c7c6 linux-kselftest-4.14-rc5-fixes
This update consists of:
 
 - fix for x86: sysret_ss_attrs test build failure preventing the x86
   tests from running.
 - fix mqueue: fix regression in silencing test run output.
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Merge tag 'linux-kselftest-4.14-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:

 - fix for x86: sysret_ss_attrs test build failure preventing the x86
   tests from running

 - fix mqueue: fix regression in silencing test run output

* tag 'linux-kselftest-4.14-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: mqueue: fix regression in silencing output from RUN_TESTS
  selftests: x86: sysret_ss_attrs doesn't build on a PIE build
2017-10-10 10:57:46 -07:00
Linus Torvalds
529a86e063 Merge branch 'ppc-bundle' (bundle from Michael Ellerman)
Merge powerpc transactional memory fixes from Michael Ellerman:
 "I figured I'd still send you the commits using a bundle to make sure
  it works in case I need to do it again in future"

This fixes transactional memory state restore for powerpc.

* bundle'd patches from Michael Ellerman:
  powerpc/tm: Fix illegal TM state in signal handler
  powerpc/64s: Use emergency stack for kernel TM Bad Thing program checks
2017-10-09 19:08:32 -07:00
Linus Torvalds
ff33952e4d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
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 1a8b6d76dc ("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
  ...
2017-10-09 16:25:00 -07:00
Aleksander Morgado
fdfbad3256 cdc_ether: flag the u-blox TOBY-L2 and SARA-U2 as wwan
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: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 16:03:32 -07:00
Linus Torvalds
68ebe3cbe7 NFS client bugfixes for Linux 4.14
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
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Merge tag 'nfs-for-4.14-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

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
2017-10-09 10:55:37 -07:00
Gustavo A. R. Silva
1a2ace56ce net: thunderx: mark expected switch fall-throughs in nicvf_main()
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: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 10:43:03 -07:00
David S. Miller
fb60bccc06 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) 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: David S. Miller <davem@davemloft.net>
2017-10-09 10:39:52 -07:00
David S. Miller
5766cd68f6 Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
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: David S. Miller <davem@davemloft.net>
2017-10-09 10:36:25 -07:00
Paolo Abeni
996b44fcef udp: fix bcast packet reception
The commit bc044e8db7 ("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: Hannes Frederic Sowa <hannes@stressinduktion.org>
Fixes: bc044e8db7 ("udp: perform source validation for mcast early demux")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 10:28:25 -07:00
Jason A. Donenfeld
41c87425a1 netlink: do not set cb_running if dump's start() errs
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: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 10:27:49 -07:00
David S. Miller
6df4d17c44 Just a single fix for a missing netlink attribute validation.
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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: David S. Miller <davem@davemloft.net>
2017-10-09 09:52:55 -07:00
David S. Miller
93b03193c6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
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: David S. Miller <davem@davemloft.net>
2017-10-09 09:43:34 -07:00
Steffen Klassert
6c0e7284d8 ipv4: Fix traffic triggered IPsec connections.
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: b838d5e1c5 ("ipv4: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: Tobias Brunner <tobias@strongswan.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 09:39:50 -07:00
Steffen Klassert
62cf27e52b ipv6: Fix traffic triggered IPsec connections.
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: 587fea7411 ("ipv6: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: Tobias Brunner <tobias@strongswan.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 09:39:26 -07:00
John Fastabend
8e679021c5 ixgbe: incorrect XDP ring accounting in ethtool tx_frame param
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: 33fdc82f08 ("ixgbe: add support for XDP_TX action")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-10-09 08:02:47 -07:00
Ding Tianhong
5e0fac63a6 net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
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: Ding Tianhong <dingtianhong@huawei.com>
Acked-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-10-09 07:43:06 -07:00
Ding Tianhong
f4986d250a Revert commit 1a8b6d76dc ("net:add one common config...")
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 1a8b6d76dc ("net:add one common config...") did,
so revert this commit.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-10-09 07:43:06 -07:00
Sabrina Dubroca
a39221ce96 ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register
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: a21d0822ff ("ixgbe: add support for geneve Rx offload")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-10-09 07:43:06 -07:00
Mark D Rustad
e0f06bba96 ixgbe: Return error when getting PHY address if PHY access is not supported
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: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-10-09 07:43:06 -07:00
Shmulik Ladkani
98589a0998 netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'
Commit 2c16d60332 ("netfilter: xt_bpf: support ebpf") introduced
support for attaching an eBPF object by an fd, with the
'bpf_mt_check_v1' ABI expecting the '.fd' to be specified upon each
IPT_SO_SET_REPLACE call.

However this breaks subsequent iptables calls:

 # iptables -A INPUT -m bpf --object-pinned /sys/fs/bpf/xxx -j ACCEPT
 # iptables -A INPUT -s 5.6.7.8 -j ACCEPT
 iptables: Invalid argument. Run `dmesg' for more information.

That's because iptables works by loading existing rules using
IPT_SO_GET_ENTRIES to userspace, then issuing IPT_SO_SET_REPLACE with
the replacement set.

However, the loaded 'xt_bpf_info_v1' has an arbitrary '.fd' number
(from the initial "iptables -m bpf" invocation) - so when 2nd invocation
occurs, userspace passes a bogus fd number, which leads to
'bpf_mt_check_v1' to fail.

One suggested solution [1] was to hack iptables userspace, to perform a
"entries fixup" immediatley after IPT_SO_GET_ENTRIES, by opening a new,
process-local fd per every 'xt_bpf_info_v1' entry seen.

However, in [2] both Pablo Neira Ayuso and Willem de Bruijn suggested to
depricate the xt_bpf_info_v1 ABI dealing with pinned ebpf objects.

This fix changes the XT_BPF_MODE_FD_PINNED behavior to ignore the given
'.fd' and instead perform an in-kernel lookup for the bpf object given
the provided '.path'.

It also defines an alias for the XT_BPF_MODE_FD_PINNED mode, named
XT_BPF_MODE_PATH_PINNED, to better reflect the fact that the user is
expected to provide the path of the pinned object.

Existing XT_BPF_MODE_FD_ELF behavior (non-pinned fd mode) is preserved.

References: [1] https://marc.info/?l=netfilter-devel&m=150564724607440&w=2
            [2] https://marc.info/?l=netfilter-devel&m=150575727129880&w=2

Reported-by: Rafael Buchbinder <rafi@rbk.ms>
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2017-10-09 15:18:04 +02:00
Lin Zhang
49f817d793 netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook
In function {ipv4,ipv6}_synproxy_hook we expect a normal tcp packet, but
the real server maybe reply an icmp error packet related to the exist
tcp conntrack, so we will access wrong tcp data.

Fix it by checking for the protocol field and only process tcp traffic.

Signed-off-by: Lin Zhang <xiaolou4617@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2017-10-09 13:08:39 +02:00
Jon Maloy
a9e2971b8c tipc: Unclone message at secondary destination lookup
When a bundling message is received, the function tipc_link_input()
calls function tipc_msg_extract() to unbundle all inner messages of
the bundling message before adding them to input queue.

The function tipc_msg_extract() just clones all inner skb for all
inner messagges from the bundling skb. This means that the skb
headroom of an inner message overlaps with the data part of the
preceding message in the bundle.

If the message in question is a name addressed message, it may be
subject to a secondary destination lookup, and eventually be sent out
on one of the interfaces again. But, since what is perceived as headroom
by the device driver in reality is the last bytes of the preceding
message in the bundle, the latter will be overwritten by the MAC
addresses of the L2 header. If the preceding message has not yet been
consumed by the user, it will evenually be delivered with corrupted
contents.

This commit fixes this by uncloning all messages passing through the
function tipc_msg_lookup_dest(), hence ensuring that the headroom
is always valid when the message is passed on.

Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-08 21:13:23 -07:00
Jon Maloy
3382605fd8 tipc: correct initialization of skb list
We change the initialization of the skb transmit buffer queues
in the functions tipc_bcast_xmit() and tipc_rcast_xmit() to also
initialize their spinlocks. This is needed because we may, during
error conditions, need to call skb_queue_purge() on those queues
further down the stack.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-08 21:13:23 -07:00
Linus Torvalds
8a5776a5f4 Linux 4.14-rc4 2017-10-08 20:53:29 -07:00
Alexey Kodanev
3d0241d57c gso: fix payload length when gso_size is zero
When gso_size reset to zero for the tail segment in skb_segment(), later
in ipv6_gso_segment(), __skb_udp_tunnel_segment() and gre_gso_segment()
we will get incorrect results (payload length, pcsum) for that segment.
inet_gso_segment() already has a check for gso_size before calculating
payload.

The issue was found with LTP vxlan & gre tests over ixgbe NIC.

Fixes: 07b26c9454 ("gso: Support partial splitting at the frag_list pointer")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-08 10:12:15 -07:00
Ido Schimmel
a69518cf0b mlxsw: spectrum_router: Avoid expensive lookup during route removal
In commit fc922bb0dd ("mlxsw: spectrum_router: Use one LPM tree for
all virtual routers") I increased the scale of supported VRFs by having
all of them share the same LPM tree.

In order to avoid look-ups for prefix lengths that don't exist, each
route removal would trigger an aggregation across all the active virtual
routers to see which prefix lengths are in use and which aren't and
structure the tree accordingly.

With the way the data structures are currently laid out, this is a very
expensive operation. When preformed repeatedly - due to the invocation
of the abort mechanism - and with enough VRFs, this can result in a hung
task.

For now, avoid this optimization until it can be properly re-added in
net-next.

Fixes: fc922bb0dd ("mlxsw: spectrum_router: Use one LPM tree for all virtual routers")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: David Ahern <dsa@cumulusnetworks.com>
Tested-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-08 10:05:27 -07:00
Alexei Starovoitov
8fe2d6ccd5 bpf: fix liveness marking
while processing Rx = Ry instruction the verifier does
regs[insn->dst_reg] = regs[insn->src_reg]
which often clears write mark (when Ry doesn't have it)
that was just set by check_reg_arg(Rx) prior to the assignment.
That causes mark_reg_read() to keep marking Rx in this block as
REG_LIVE_READ (since the logic incorrectly misses that it's
screened by the write) and in many of its parents (until lucky
write into the same Rx or beginning of the program).
That causes is_state_visited() logic to miss many pruning opportunities.

Furthermore mark_reg_read() logic propagates the read mark
for BPF_REG_FP as well (though it's readonly) which causes
harmless but unnecssary work during is_state_visited().
Note that do_propagate_liveness() skips FP correctly,
so do the same in mark_reg_read() as well.
It saves 0.2 seconds for the test below

program               before  after
bpf_lb-DLB_L3.o       2604    2304
bpf_lb-DLB_L4.o       11159   3723
bpf_lb-DUNKNOWN.o     1116    1110
bpf_lxc-DDROP_ALL.o   34566   28004
bpf_lxc-DUNKNOWN.o    53267   39026
bpf_netdev.o          17843   16943
bpf_overlay.o         8672    7929
time                  ~11 sec  ~4 sec

Fixes: dc503a8ad9 ("bpf/verifier: track liveness for pruning")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Edward Cree <ecree@solarflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-07 23:25:17 +01:00
Axel Beckert
00a534e5ea doc: Fix typo "8023.ad" in bonding documentation
Should be "802.3ad" like everywhere else in the document.

Signed-off-by: Axel Beckert <abe@deuxchevaux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-07 23:19:13 +01:00
Matteo Croce
a2d3f3e338 ipv6: fix net.ipv6.conf.all.accept_dad behaviour for real
Commit 35e015e1f5 ("ipv6: fix net.ipv6.conf.all interface DAD handlers")
was intended to affect accept_dad flag handling in such a way that
DAD operation and mode on a given interface would be selected
according to the maximum value of conf/{all,interface}/accept_dad.

However, addrconf_dad_begin() checks for particular cases in which we
need to skip DAD, and this check was modified in the wrong way.

Namely, it was modified so that, if the accept_dad flag is 0 for the
given interface *or* for all interfaces, DAD would be skipped.

We have instead to skip DAD if accept_dad is 0 for the given interface
*and* for all interfaces.

Fixes: 35e015e1f5 ("ipv6: fix net.ipv6.conf.all interface DAD handlers")
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reported-by: Erik Kline <ek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-07 23:10:05 +01:00
Linus Torvalds
85b1bb2480 SCSI fixes on 20171007
A couple of serious fixes (use after free and blacklist for WRITE
 SAME).  One error leg fix (write_pending failure) and one user
 experience problem (do not override max_sectors_kb) and one minor
 unused function removal.
 
 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:

 - a couple of serious fixes: use after free and blacklist for WRITE
   SAME

 - one error leg fix: write_pending failure

 - one user experience problem: do not override max_sectors_kb

 - one minor unused function removal

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ibmvscsis: Fix write_pending failure path
  scsi: libiscsi: Remove iscsi_destroy_session
  scsi: libiscsi: Fix use-after-free race during iscsi_session_teardown
  scsi: sd: Do not override max_sectors_kb sysfs setting
  scsi: sd: Implement blacklist option for WRITE SAME w/ UNMAP
2017-10-07 12:34:16 -07:00
Linus Torvalds
67936a41e5 Merge branch 'i2c/for-current-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "I2C has three driver fixes for the newly introduced drivers and one ID
  addition for the i801 driver"

* 'i2c/for-current-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i2c-stm32f7: make structure stm32f7_setup static const
  i2c: ensure termination of *_device_id tables
  i2c: i801: Add support for Intel Cedar Fork
  i2c: stm32f7: fix setup structure
2017-10-07 10:07:51 -07:00
Linus Torvalds
031b814030 MMC core:
- Fix driver strength selection when selecting hs400es
  - Delete bounce buffer handling:
    This change fixes a problem related to how bounce buffers are being
    allocated. However, instead of trying to fix that, let's just remove
    the mmc bounce buffer code altogether, as it has practically no use.
 
 MMC host:
  - meson-gx: A couple of fixes related to clock/phase/tuning
  - sdhci-xenon: Fix clock resource by adding an optional bus clock
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Merge tag 'mmc-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC core:

   - Fix driver strength selection when selecting hs400es

   - Delete bounce buffer handling:

     This change fixes a problem related to how bounce buffers are being
     allocated. However, instead of trying to fix that, let's just
     remove the mmc bounce buffer code altogether, as it has practically
     no use.

  MMC host:

   - meson-gx: A couple of fixes related to clock/phase/tuning

   - sdhci-xenon: Fix clock resource by adding an optional bus clock"

* tag 'mmc-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock
  mmc: meson-gx: include tx phase in the tuning process
  mmc: meson-gx: fix rx phase reset
  mmc: meson-gx: make sure the clock is rounded down
  mmc: Delete bounce buffer handling
  mmc: core: add driver strength selection when selecting hs400es
2017-10-07 10:03:03 -07:00
Linus Torvalds
1c86f2e4c8 Fix up error path in xgene driver
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Merge tag 'hwmon-for-linus-v4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix up error path in xgene driver"

* tag 'hwmon-for-linus-v4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (xgene) Fix up error handling path mixup in 'xgene_hwmon_probe()'
2017-10-06 17:59:32 -07:00
Linus Torvalds
dbeb1a8ff5 - Build fix to export the clk_bulk_prepare() symbol
- Suspend fix for Samsung Exynos SoCs where we need to keep clks on
    across suspend
 
  - Two critical clk markings for clks that shouldn't ever turn off on
    Rockchip SoCs
 
  - A fix for a copy-paste mistake on Rockchip rk3128 causing some clks to
    touch the same bit and trample over one another
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:

 - build fix to export the clk_bulk_prepare() symbol

 - suspend fix for Samsung Exynos SoCs where we need to keep clks on
   across suspend

 - two critical clk markings for clks that shouldn't ever turn off on
   Rockchip SoCs

 - a fix for a copy-paste mistake on Rockchip rk3128 causing some clks
   to touch the same bit and trample over one another

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: samsung: exynos4: Enable VPLL and EPLL clocks for suspend/resume cycle
  clk: Export clk_bulk_prepare()
  clk: rockchip: add sclk_timer5 as critical clock on rk3128
  clk: rockchip: fix up rk3128 pvtm and mipi_24m gate regs error
  clk: rockchip: add pclk_pmu as critical clock on rk3128
2017-10-06 16:25:08 -07:00
Linus Torvalds
ed0f72f4ea ARC udpates for 4.14-rc4
- Updates for various platforms
 
  - boot log updates for upcoming HS48 family of cores (dual issue)
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Merge tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC udpates from Vineet Gupta:

 - updates for various platforms

 - boot log updates for upcoming HS48 family of cores (dual issue)

* tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset
  ARC: [plat-hsdk]: Temporary fix to set CPU frequency to 1GHz
  ARC: fix allnoconfig build warning
  ARCv2: boot log: identify HS48 cores (dual issue)
  ARC: boot log: decontaminate ARCv2 ISA_CONFIG register
  arc: remove redundant UTS_MACHINE define in arch/arc/Makefile
  ARC: [plat-eznps] Update platform maintainer as Noam left
  ARC: [plat-hsdk] use actual clk driver to manage cpu clk
  ARC: [*defconfig] Reenable soft lock-up detector
  ARC: [plat-axs10x] sdio: Temporary fix of sdio ciu frequency
  ARC: [plat-hsdk] sdio: Temporary fix of sdio ciu frequency
  ARC: [plat-axs103] Add temporary quirk to reset ethernet IP
2017-10-06 15:57:08 -07:00
Linus Torvalds
eab26ad197 Changes since last update:
- fix a race between overlapping copy on write aio
 - fix cow fork swapping when we defragment reflinked files
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Merge tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:

 - fix a race between overlapping copy on write aio

 - fix cow fork swapping when we defragment reflinked files

* tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: handle racy AIO in xfs_reflink_end_cow
  xfs: always swap the cow forks when swapping extents
2017-10-06 15:53:36 -07:00
Linus Torvalds
17d084c8d1 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
 "A collection of fixes for this series. This contains:

   - NVMe pull request from Christoph, one uuid attribute fix, and one
     fix for the controller memory buffer address for remapped BARs.

   - use-after-free fix for bsg, from Benjamin Block.

   - bcache race/use-after-free fix for a list traversal, fixing a
     regression in this merge window. From Coly Li.

   - null_blk change configfs dependency change from a 'depends' to a
     'select'. This is a change from this merge window as well. From me.

   - nbd signal fix from Josef, fixing a regression introduced with the
     status code changes.

   - nbd MAINTAINERS mailing list entry update.

   - blk-throttle stall fix from Joseph Qi.

   - blk-mq-debugfs fix from Omar, fixing an issue where we don't
     register the IO scheduler debugfs directory, if the driver is
     loaded with it. Only shows up if you switch through the sysfs
     interface"

* 'for-linus' of git://git.kernel.dk/linux-block:
  bsg-lib: fix use-after-free under memory-pressure
  nvme-pci: Use PCI bus address for data/queues in CMB
  blk-mq-debugfs: fix device sched directory for default scheduler
  null_blk: change configfs dependency to select
  blk-throttle: fix possible io stall when upgrade to max
  MAINTAINERS: update list for NBD
  nbd: fix -ERESTARTSYS handling
  nvme: fix visibility of "uuid" ns attribute
  bcache: use llist_for_each_entry_safe() in __closure_wake_up()
2017-10-06 12:13:50 -07:00