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In the past the IFA_PERMANENT flag indicated, that the valid and preferred
lifetime where ignored. Since change fad8da3e085ddf ("ipv6 addrconf: fix
preferred lifetime state-changing behavior while valid_lft is infinity")
we honour at least the preferred lifetime on those addresses. As such
the valid lifetime gets recalculated and updated to 0.
If loopback address is added manually this problem does not occur.
Also if NetworkManager manages IPv6, those addresses will get added via
inet6_rtm_newaddr and thus will have a correct lifetime, too.
Reported-by: François-Xavier Le Bail <fx.lebail@yahoo.com>
Reported-by: Damien Wyart <damien.wyart@gmail.com>
Fixes: fad8da3e085ddf ("ipv6 addrconf: fix preferred lifetime state-changing behavior while valid_lft is infinity")
Cc: Yasushi Asano <yasushi.asano@jp.fujitsu.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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initialise pcpu_tstats.syncp to kill the calltrace
[ 11.973950] Call Trace:
[ 11.973950] [<819bbaff>] dump_stack+0x48/0x60
[ 11.973950] [<819bbaff>] dump_stack+0x48/0x60
[ 11.973950] [<81078dcf>] __lock_acquire.isra.22+0x1bf/0xc10
[ 11.973950] [<81078dcf>] __lock_acquire.isra.22+0x1bf/0xc10
[ 11.973950] [<81079fa7>] lock_acquire+0x77/0xa0
[ 11.973950] [<81079fa7>] lock_acquire+0x77/0xa0
[ 11.973950] [<817ca7ab>] ? dev_get_stats+0xcb/0x130
[ 11.973950] [<817ca7ab>] ? dev_get_stats+0xcb/0x130
[ 11.973950] [<8183862d>] ip_tunnel_get_stats64+0x6d/0x230
[ 11.973950] [<8183862d>] ip_tunnel_get_stats64+0x6d/0x230
[ 11.973950] [<817ca7ab>] ? dev_get_stats+0xcb/0x130
[ 11.973950] [<817ca7ab>] ? dev_get_stats+0xcb/0x130
[ 11.973950] [<811cf8c1>] ? __nla_reserve+0x21/0xd0
[ 11.973950] [<811cf8c1>] ? __nla_reserve+0x21/0xd0
[ 11.973950] [<817ca7ab>] dev_get_stats+0xcb/0x130
[ 11.973950] [<817ca7ab>] dev_get_stats+0xcb/0x130
[ 11.973950] [<817d5409>] rtnl_fill_ifinfo+0x569/0xe20
[ 11.973950] [<817d5409>] rtnl_fill_ifinfo+0x569/0xe20
[ 11.973950] [<810352e0>] ? kvm_clock_read+0x20/0x30
[ 11.973950] [<810352e0>] ? kvm_clock_read+0x20/0x30
[ 11.973950] [<81008e38>] ? sched_clock+0x8/0x10
[ 11.973950] [<81008e38>] ? sched_clock+0x8/0x10
[ 11.973950] [<8106ba45>] ? sched_clock_local+0x25/0x170
[ 11.973950] [<8106ba45>] ? sched_clock_local+0x25/0x170
[ 11.973950] [<810da6bd>] ? __kmalloc+0x3d/0x90
[ 11.973950] [<810da6bd>] ? __kmalloc+0x3d/0x90
[ 11.973950] [<817b8c10>] ? __kmalloc_reserve.isra.41+0x20/0x70
[ 11.973950] [<817b8c10>] ? __kmalloc_reserve.isra.41+0x20/0x70
[ 11.973950] [<810da81a>] ? slob_alloc_node+0x2a/0x60
[ 11.973950] [<810da81a>] ? slob_alloc_node+0x2a/0x60
[ 11.973950] [<817b919a>] ? __alloc_skb+0x6a/0x2b0
[ 11.973950] [<817b919a>] ? __alloc_skb+0x6a/0x2b0
[ 11.973950] [<817d8795>] rtmsg_ifinfo+0x65/0xe0
[ 11.973950] [<817d8795>] rtmsg_ifinfo+0x65/0xe0
[ 11.973950] [<817cbd31>] register_netdevice+0x531/0x5a0
[ 11.973950] [<817cbd31>] register_netdevice+0x531/0x5a0
[ 11.973950] [<81892b87>] ? ip6_tnl_get_cap+0x27/0x90
[ 11.973950] [<81892b87>] ? ip6_tnl_get_cap+0x27/0x90
[ 11.973950] [<817cbdb6>] register_netdev+0x16/0x30
[ 11.973950] [<817cbdb6>] register_netdev+0x16/0x30
[ 11.973950] [<81f574a6>] vti6_init_net+0x1c4/0x1d4
[ 11.973950] [<81f574a6>] vti6_init_net+0x1c4/0x1d4
[ 11.973950] [<81f573af>] ? vti6_init_net+0xcd/0x1d4
[ 11.973950] [<81f573af>] ? vti6_init_net+0xcd/0x1d4
[ 11.973950] [<817c16df>] ops_init.constprop.11+0x17f/0x1c0
[ 11.973950] [<817c16df>] ops_init.constprop.11+0x17f/0x1c0
[ 11.973950] [<817c1779>] register_pernet_operations.isra.9+0x59/0x90
[ 11.973950] [<817c1779>] register_pernet_operations.isra.9+0x59/0x90
[ 11.973950] [<817c18d1>] register_pernet_device+0x21/0x60
[ 11.973950] [<817c18d1>] register_pernet_device+0x21/0x60
[ 11.973950] [<81f574b6>] ? vti6_init_net+0x1d4/0x1d4
[ 11.973950] [<81f574b6>] ? vti6_init_net+0x1d4/0x1d4
[ 11.973950] [<81f574c7>] vti6_tunnel_init+0x11/0x68
[ 11.973950] [<81f574c7>] vti6_tunnel_init+0x11/0x68
[ 11.973950] [<81f572a1>] ? mip6_init+0x73/0xb4
[ 11.973950] [<81f572a1>] ? mip6_init+0x73/0xb4
[ 11.973950] [<81f0cba4>] do_one_initcall+0xbb/0x15b
[ 11.973950] [<81f0cba4>] do_one_initcall+0xbb/0x15b
[ 11.973950] [<811a00d8>] ? sha_transform+0x528/0x1150
[ 11.973950] [<811a00d8>] ? sha_transform+0x528/0x1150
[ 11.973950] [<81f0c544>] ? repair_env_string+0x12/0x51
[ 11.973950] [<81f0c544>] ? repair_env_string+0x12/0x51
[ 11.973950] [<8105c30d>] ? parse_args+0x2ad/0x440
[ 11.973950] [<8105c30d>] ? parse_args+0x2ad/0x440
[ 11.973950] [<810546be>] ? __usermodehelper_set_disable_depth+0x3e/0x50
[ 11.973950] [<810546be>] ? __usermodehelper_set_disable_depth+0x3e/0x50
[ 11.973950] [<81f0cd27>] kernel_init_freeable+0xe3/0x182
[ 11.973950] [<81f0cd27>] kernel_init_freeable+0xe3/0x182
[ 11.973950] [<81f0c532>] ? do_early_param+0x7a/0x7a
[ 11.973950] [<81f0c532>] ? do_early_param+0x7a/0x7a
[ 11.973950] [<819b5b1b>] kernel_init+0xb/0x100
[ 11.973950] [<819b5b1b>] kernel_init+0xb/0x100
[ 11.973950] [<819cebf7>] ret_from_kernel_thread+0x1b/0x28
[ 11.973950] [<819cebf7>] ret_from_kernel_thread+0x1b/0x28
[ 11.973950] [<819b5b10>] ? rest_init+0xc0/0xc0
[ 11.973950] [<819b5b10>] ? rest_init+0xc0/0xc0
Before 469bdcefdc ("ipv6: fix the use of pcpu_tstats in ip6_vti.c"),
the pcpu_tstats.syncp is not used to pretect the 64bit elements of
pcpu_tstats, so not appear this calltrace.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It does not make sense to create an anycast address for an /128-prefix.
Suppress it.
As 32019e651c6fce ("ipv6: Do not leave router anycast address for /127
prefixes.") shows we also may not leave them, because we could accidentally
remove an anycast address the user has allocated or got added via another
prefix.
Cc: François-Xavier Le Bail <fx.lebail@yahoo.com>
Cc: Thomas Haller <thaller@redhat.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
and we can use the generic vti6_get_stats to return stats, and
not define a new one in ip6_vti.c
Fixes: 87b6d218f3adb ("tunnel: implement 64 bits statistics")
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
Fixes: 87b6d218f3adb ("tunnel: implement 64 bits statistics")
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed a problem with setting the lifetime of an IPv6
address. When setting preferred_lft to a value not zero or
infinity, while valid_lft is infinity(0xffffffff) preferred
lifetime is set to forever and does not update. Therefore
preferred lifetime never becomes deprecated. valid lifetime
and preferred lifetime should be set independently, even if
valid lifetime is infinity, preferred lifetime must expire
correctly (meaning it must eventually become deprecated)
Signed-off-by: Yasushi Asano <yasushi.asano@jp.fujitsu.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when read/write the 64bit data, the correct lock should be hold.
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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if a dst is not attached to anywhere, it should be released before
exit ipip6_tunnel_xmit, otherwise cause dst memory leakage.
Fixes: 61c1db7fae21 ("ipv6: sit: add GSO/TSO support")
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ip6_rt_copy only sets dst.from if ort has flag RTF_ADDRCONF and RTF_DEFAULT.
but the prefix routes which did get installed by hand locally can have an
expiration, and no any flag combination which can ensure a potential from
does never expire, so we should always set the new created dst's from.
This also fixes the new created dst is always expired since the ort, which
is created by RA, maybe has RTF_EXPIRES and RTF_ADDRCONF, but no RTF_DEFAULT.
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
CC: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While testing my changes for TSO support in SIT devices,
I was using sit0 tunnel which appears to include nopmtudisc flag.
But using :
ip tun add sittun mode sit remote $REMOTE_IPV4 local $LOCAL_IPV4 \
dev $IFACE
We get a tunnel which rejects too long packets because of the mtu check
which is not yet GSO aware.
erd:~# ip tunnel
sittun: ipv6/ip remote 10.246.17.84 local 10.246.17.83 ttl inherit 6rd-prefix 2002::/16
sit0: ipv6/ip remote any local any ttl 64 nopmtudisc 6rd-prefix 2002::/16
This patch is based on an excellent report from
Michal Shmidt.
In the future, we probably want to extend the MTU check to do the
right thing for GSO packets...
Fixes: ("61c1db7fae21 ipv6: sit: add GSO/TSO support")
Reported-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sockets marked with IPV6_PMTUDISC_PROBE (or later IPV6_PMTUDISC_INTERFACE)
don't respect this setting when the outgoing interface supports UFO.
We had the same problem in IPv4, which was fixed in commit
daba287b299ec7a2c61ae3a714920e90e8396ad5 ("ipv4: fix DO and PROBE pmtu
mode regarding local fragmentation with UFO/CORK").
Also IPV6_DONTFRAG mode did not care about already corked data, thus
it may generate a fragmented frame even if this socket option was
specified. It also did not care about the length of the ipv6 header and
possible options.
In the error path allow the user to receive the pmtu notifications via
both, rxpmtu method or error queue. The user may opted in for both,
so deliver the notification to both error handlers (the handlers check
if the error needs to be enqueued).
Also report back consistent pmtu values when sending on an already
cork-appended socket.
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a crash in synproxy_send_tcp() when using the SYNPROXY target in the
PREROUTING chain caused by missing routing information.
Reported-by: Nicki P. <xastx@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch is following b579035ff766c9412e2b92abf5cab794bff102b6
"ipv6: remove old conditions on flow label sharing"
Since there is no reason to restrict a label to a
destination, we should not erase the destination value of a
socket with the value contained in the flow label storage.
This patch allows to really have the same flow label to more
than one destination.
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This changes ensures that the routing entry investigated by the suppress
function actually does point to a device struct before following that pointer,
fixing a possible kernel oops situation when verifying the interface group
associated with a routing table entry.
According to Daniel Golle, this Oops can be triggered by a user process trying
to establish an outgoing IPv6 connection while having no real IPv6 connectivity
set up (only autoassigned link-local addresses).
Fixes: 6ef94cfafba15 ("fib_rules: add route suppression based on ifgroup")
Reported-by: Daniel Golle <daniel.golle@gmail.com>
Tested-by: Daniel Golle <daniel.golle@gmail.com>
Signed-off-by: Stefan Tomanek <stefan.tomanek@wertarbyte.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Brett Ciphery reported that new ipv6 addresses failed to get installed
because the addrconf generated dsts where counted against the dst gc
limit. We don't need to count those routes like we currently don't count
administratively added routes.
Because the max_addresses check enforces a limit on unbounded address
generation first in case someone plays with router advertisments, we
are still safe here.
Reported-by: Brett Ciphery <brett.ciphery@windriver.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The behaviour of blackhole and prohibit routes has been corrected by setting
the input and output pointers of the dst variable appropriately. For
blackhole routes, they are set to dst_discard and to ip6_pkt_discard and
ip6_pkt_discard_out respectively for prohibit routes.
ipv6: ip6_pkt_prohibit(_out) should not depend on
CONFIG_IPV6_MULTIPLE_TABLES
We need ip6_pkt_prohibit(_out) available without
CONFIG_IPV6_MULTIPLE_TABLES
Signed-off-by: Kamala R <kamala@aristanetworks.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when dealing with a RA message, if accept_ra_defrtr is false,
the kernel will not add the default route, and then deal with
the following route information options. Unfortunately, those
options maybe contain default route, so let's judge the
accept_ra_defrtr before calling rt6_route_rcv.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPv6 stats are 64 bits and thus are protected with a seqlock. By not
disabling bottom-half we could deadlock here if we don't disable bh and
a softirq reentrantly updates the same mib.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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since f9242b6b28d61295f2bf7e8adfb1060b382e5381
inet: Sanitize inet{,6} protocol demux.
there are not pretended hash tables for ipv4 or
ipv6 protocol handler.
Signed-off-by: Baker Zhang <Baker.kernel@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In failure case, we should use kfree_skb not
dev_kfree_skb to free skbuff, dev_kfree_skb
is defined as consume_skb.
Trace takes advantage of this point.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offenders don't have port numbers, so set it to 0.
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit bceaa90240b6019ed73b49965eac7d167610be69 ("inet: prevent leakage
of uninitialized memory to user in recv syscalls") conditionally updated
addr_len if the msg_name is written to. The recv_error and rxpmtu
functions relied on the recvmsg functions to set up addr_len before.
As this does not happen any more we have to pass addr_len to those
functions as well and set it to the size of the corresponding sockaddr
length.
This broke traceroute and such.
Fixes: bceaa90240b6 ("inet: prevent leakage of uninitialized memory to user in recv syscalls")
Reported-by: Brad Spengler <spender@grsecurity.net>
Reported-by: Tom Labanowski
Cc: mpb <mpb.mail@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Send icmpv6 error with type "destination unreachable" and code
"address unreachable" when receiving icmpv4 error and sufficient
data bytes are available
This patch enhances the compliance of sit tunnel with section 3.4 of
rfc 4213
Signed-off-by: Oussama Ghorbel <ghorbel@pivasoftware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch simplifies the checksum verification in tcpX_gro_receive
by reusing the CHECKSUM_COMPLETE code for CHECKSUM_NONE. All it
does for CHECKSUM_NONE is compute the partial checksum and then
treat it as if it came from the hardware (CHECKSUM_COMPLETE).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cheers,
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some cases we may receive IP packets that are longer than
their stated lengths. Such packets are never merged in GRO.
However, we may end up computing their checksums incorrectly
and end up allowing packets with a bogus checksum enter our
stack with the checksum status set as verified.
Since such packets are rare and not performance-critical, this
patch simply skips the checksum verification for them.
Reported-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Thanks,
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
netfilter fixes for net
The following patchset contains fixes for your net tree, they are:
* Remove extra quote from connlimit configuration in Kconfig, from
Randy Dunlap.
* Fix missing mss option in syn packets sent to the backend in our
new synproxy target, from Martin Topholm.
* Use window scale announced by client when sending the forged
syn to the backend, from Martin Topholm.
* Fix IPv6 address comparison in ebtables, from Luís Fernando
Cornachioni Estrozi.
* Fix wrong endianess in sequence adjustment which breaks helpers
in NAT configurations, from Phil Oester.
* Fix the error path handling of nft_compat, from me.
* Make sure the global conntrack counter is decremented after the
object has been released, also from me.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"Mostly these are fixes for fallout due to merge window changes, as
well as cures for problems that have been with us for a much longer
period of time"
1) Johannes Berg noticed two major deficiencies in our genetlink
registration. Some genetlink protocols we passing in constant
counts for their ops array rather than something like
ARRAY_SIZE(ops) or similar. Also, some genetlink protocols were
using fixed IDs for their multicast groups.
We have to retain these fixed IDs to keep existing userland tools
working, but reserve them so that other multicast groups used by
other protocols can not possibly conflict.
In dealing with these two problems, we actually now use less state
management for genetlink operations and multicast groups.
2) When configuring interface hardware timestamping, fix several
drivers that simply do not validate that the hwtstamp_config value
is one the driver actually supports. From Ben Hutchings.
3) Invalid memory references in mwifiex driver, from Amitkumar Karwar.
4) In dev_forward_skb(), set the skb->protocol in the right order
relative to skb_scrub_packet(). From Alexei Starovoitov.
5) Bridge erroneously fails to use the proper wrapper functions to make
calls to netdev_ops->ndo_vlan_rx_{add,kill}_vid. Fix from Toshiaki
Makita.
6) When detaching a bridge port, make sure to flush all VLAN IDs to
prevent them from leaking, also from Toshiaki Makita.
7) Put in a compromise for TCP Small Queues so that deep queued devices
that delay TX reclaim non-trivially don't have such a performance
decrease. One particularly problematic area is 802.11 AMPDU in
wireless. From Eric Dumazet.
8) Fix crashes in tcp_fastopen_cache_get(), we can see NULL socket dsts
here. Fix from Eric Dumzaet, reported by Dave Jones.
9) Fix use after free in ipv6 SIT driver, from Willem de Bruijn.
10) When computing mergeable buffer sizes, virtio-net fails to take the
virtio-net header into account. From Michael Dalton.
11) Fix seqlock deadlock in ip4_datagram_connect() wrt. statistic
bumping, this one has been with us for a while. From Eric Dumazet.
12) Fix NULL deref in the new TIPC fragmentation handling, from Erik
Hugne.
13) 6lowpan bit used for traffic classification was wrong, from Jukka
Rissanen.
14) macvlan has the same issue as normal vlans did wrt. propagating LRO
disabling down to the real device, fix it the same way. From Michal
Kubecek.
15) CPSW driver needs to soft reset all slaves during suspend, from
Daniel Mack.
16) Fix small frame pacing in FQ packet scheduler, from Eric Dumazet.
17) The xen-netfront RX buffer refill timer isn't properly scheduled on
partial RX allocation success, from Ma JieYue.
18) When ipv6 ping protocol support was added, the AF_INET6 protocol
initialization cleanup path on failure was borked a little. Fix
from Vlad Yasevich.
19) If a socket disconnects during a read/recvmsg/recvfrom/etc that
blocks we can do the wrong thing with the msg_name we write back to
userspace. From Hannes Frederic Sowa. There is another fix in the
works from Hannes which will prevent future problems of this nature.
20) Fix route leak in VTI tunnel transmit, from Fan Du.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (106 commits)
genetlink: make multicast groups const, prevent abuse
genetlink: pass family to functions using groups
genetlink: add and use genl_set_err()
genetlink: remove family pointer from genl_multicast_group
genetlink: remove genl_unregister_mc_group()
hsr: don't call genl_unregister_mc_group()
quota/genetlink: use proper genetlink multicast APIs
drop_monitor/genetlink: use proper genetlink multicast APIs
genetlink: only pass array to genl_register_family_with_ops()
tcp: don't update snd_nxt, when a socket is switched from repair mode
atm: idt77252: fix dev refcnt leak
xfrm: Release dst if this dst is improper for vti tunnel
netlink: fix documentation typo in netlink_set_err()
be2net: Delete secondary unicast MAC addresses during be_close
be2net: Fix unconditional enabling of Rx interface options
net, virtio_net: replace the magic value
ping: prevent NULL pointer dereference on write to msg_name
bnx2x: Prevent "timeout waiting for state X"
bnx2x: prevent CFC attention
bnx2x: Prevent panic during DMAE timeout
...
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Commit 6d0bfe22611602f36617bc7aa2ffa1bbb2f54c67
net: ipv6: Add IPv6 support to the ping socket
introduced a change in the cleanup logic of inet6_init and
has a bug in that ipv6_packet_cleanup() may not be called.
Fix the cleanup ordering.
CC: Hannes Frederic Sowa <hannes@stressinduktion.org>
CC: Lorenzo Colitti <lorenzo@google.com>
CC: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Only update *addr_len when we actually fill in sockaddr, otherwise we
can return uninitialized memory from the stack to the caller in the
recvfrom, recvmmsg and recvmsg syscalls. Drop the the (addr_len == NULL)
checks because we only get called with a valid addr_len pointer either
from sock_common_recvmsg or inet_recvmsg.
If a blocking read waits on a socket which is concurrently shut down we
now return zero and set msg_msgnamelen to 0.
Reported-by: mpb <mpb.mail@gmail.com>
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When CONFIG_SYSCTL=n the following build warning happens:
net/ipv6/ndisc.c:1730:1: warning: label 'out' defined but not used [-Wunused-label]
The 'out' label is only used when CONFIG_SYSCTL=y, so move it inside the
'ifdef CONFIG_SYSCTL' block.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the synproxy_parse_options is called on the client ack the mss
option will not be present. Consequently mss wont be included in the
backend syn packet, which falls back to 536 bytes mss.
Therefore XT_SYNPROXY_OPT_MSS is explicitly flagged when recovering mss
value from cookie.
Signed-off-by: Martin Topholm <mph@one.com>
Reviewed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Bug has been introduced by commit bb8140947a24 ("ip6tnl: allow to use rtnl ops
on fb tunnel").
When ip6_tunnel.ko is unloaded, FB device is delete by rtnl_link_unregister()
and then we try to use the pointer in ip6_tnl_destroy_tunnels().
Let's add an handler for dellink, which will never remove the FB tunnel. With
this patch it will no more be possible to remove it via 'ip link del ip6tnl0',
but it's safer.
The same fix was already proposed by Willem de Bruijn <willemb@google.com> for
sit interfaces.
CC: Willem de Bruijn <willemb@google.com>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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addrconf_add_linklocal() already adds the link local route, so there is no
reason to add it before calling this function.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a link local address was added to a sit interface, the corresponding route
was not configured. This breaks routing protocols that use the link local
address, like OSPFv3.
To ease the code reading, I remove sit_route_add(), which only adds v4 mapped
routes, and add this kind of route directly in sit_add_v4_addrs(). Thus link
local and v4 mapped routes are configured in the same place.
Reported-by: Li Hongjun <hongjun.li@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the local IPv4 endpoint is wilcard (0.0.0.0), the prefix length is
correctly set, ie 64 if the address is a link local one or 96 if the address is
a v4 mapped one.
But when the local endpoint is specified, the prefix length is set to 128 for
both kind of address. This patch fix this wrong prefix length.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Bug: The fallback device is created in sit_init_net and assumed to be
freed in sit_exit_net. First, it is dereferenced in that function, in
sit_destroy_tunnels:
struct net *net = dev_net(sitn->fb_tunnel_dev);
Prior to this, rtnl_unlink_register has removed all devices that match
rtnl_link_ops == sit_link_ops.
Commit 205983c43700 added the line
+ sitn->fb_tunnel_dev->rtnl_link_ops = &sit_link_ops;
which cases the fallback device to match here and be freed before it
is last dereferenced.
Fix: This commit adds an explicit .delllink callback to sit_link_ops
that skips deallocation at rtnl_unlink_register for the fallback
device. This mechanism is comparable to the one in ip_tunnel.
It also modifies sit_destroy_tunnels and its only caller sit_exit_net
to avoid the offending dereference in the first place. That double
lookup is more complicated than required.
Test: The bug is only triggered when CONFIG_NET_NS is enabled. It
causes a GPF only when CONFIG_DEBUG_SLAB is enabled. Verified that
this bug exists at the mentioned commit, at davem-net HEAD and at
3.11.y HEAD. Verified that it went away after applying this patch.
Fixes: 205983c43700 ("sit: allow to use rtnl ops on fb tunnel")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull core locking changes from Ingo Molnar:
"The biggest changes:
- add lockdep support for seqcount/seqlocks structures, this
unearthed both bugs and required extra annotation.
- move the various kernel locking primitives to the new
kernel/locking/ directory"
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
block: Use u64_stats_init() to initialize seqcounts
locking/lockdep: Mark __lockdep_count_forward_deps() as static
lockdep/proc: Fix lock-time avg computation
locking/doc: Update references to kernel/mutex.c
ipv6: Fix possible ipv6 seqlock deadlock
cpuset: Fix potential deadlock w/ set_mems_allowed
seqcount: Add lockdep functionality to seqcount/seqlock structures
net: Explicitly initialize u64_stats_sync structures for lockdep
locking: Move the percpu-rwsem code to kernel/locking/
locking: Move the lglocks code to kernel/locking/
locking: Move the rwsem code to kernel/locking/
locking: Move the rtmutex code to kernel/locking/
locking: Move the semaphore core to kernel/locking/
locking: Move the spinlock code to kernel/locking/
locking: Move the lockdep code to kernel/locking/
locking: Move the mutex code to kernel/locking/
hung_task debugging: Add tracepoint to report the hang
x86/locking/kconfig: Update paravirt spinlock Kconfig description
lockstat: Report avg wait and hold times
lockdep, x86/alternatives: Drop ancient lockdep fixup message
...
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Fixes a suspicious rcu derference warning.
Cc: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pushing original fragments through causes several problems. For example
for matching, frags may not be matched correctly. Take following
example:
<example>
On HOSTA do:
ip6tables -I INPUT -p icmpv6 -j DROP
ip6tables -I INPUT -p icmpv6 -m icmp6 --icmpv6-type 128 -j ACCEPT
and on HOSTB you do:
ping6 HOSTA -s2000 (MTU is 1500)
Incoming echo requests will be filtered out on HOSTA. This issue does
not occur with smaller packets than MTU (where fragmentation does not happen)
</example>
As was discussed previously, the only correct solution seems to be to use
reassembled skb instead of separete frags. Doing this has positive side
effects in reducing sk_buff by one pointer (nfct_reasm) and also the reams
dances in ipvs and conntrack can be removed.
Future plan is to remove net/ipv6/netfilter/nf_conntrack_reasm.c
entirely and use code in net/ipv6/reassembly.c instead.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If reassembled packet would fit into outdev MTU, it is not fragmented
according the original frag size and it is send as single big packet.
The second case is if skb is gso. In that case fragmentation does not happen
according to the original frag size.
This patch fixes these.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the rfc 4191 said, the Router Preference and Lifetime values in a
::/0 Route Information Option should override the preference and lifetime
values in the Router Advertisement header. But when the kernel deals with
a ::/0 Route Information Option, the rt6_get_route_info() always return
NULL, that means that overriding will not happen, because those default
routers were added without flag RTF_ROUTEINFO in rt6_add_dflt_router().
In order to deal with that condition, we should call rt6_get_dflt_router
when the prefix length is 0.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take ip6_fl_lock before to read and update
a label.
v2: protect only the relevant code
Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the last RFC 6437 does not give any constraints
for lifetime of flow labels, the previous RFC 3697
spoke of a minimum of 120 seconds between
reattribution of a flow label.
The maximum linger is currently set to 60 seconds
and does not allow this configuration without
CAP_NET_ADMIN right.
This patch increase the maximum linger to 150
seconds, allowing more flexibility to standard
users.
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is already possible to set/put/renew a label
with IPV6_FLOWLABEL_MGR and setsockopt. This patch
add the possibility to get information about this
label (current value, time before expiration, etc).
It helps application to take decision for a renew
or a release of the label.
v2:
* Add spin_lock to prevent race condition
* return -ENOENT if no result found
* check if flr_action is GET
v3:
* move the spin_lock to protect only the
relevant code
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While enabling lockdep on seqlocks, I ran across the warning below
caused by the ipv6 stats being updated in both irq and non-irq context.
This patch changes from IP6_INC_STATS_BH to IP6_INC_STATS (suggested
by Eric Dumazet) to resolve this problem.
[ 11.120383] =================================
[ 11.121024] [ INFO: inconsistent lock state ]
[ 11.121663] 3.12.0-rc1+ #68 Not tainted
[ 11.122229] ---------------------------------
[ 11.122867] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 11.123741] init/4483 [HC0[0]:SC1[3]:HE1:SE0] takes:
[ 11.124505] (&stats->syncp.seq#6){+.?...}, at: [<c1ab80c2>] ndisc_send_ns+0xe2/0x130
[ 11.125736] {SOFTIRQ-ON-W} state was registered at:
[ 11.126447] [<c10e0eb7>] __lock_acquire+0x5c7/0x1af0
[ 11.127222] [<c10e2996>] lock_acquire+0x96/0xd0
[ 11.127925] [<c1a9a2c3>] write_seqcount_begin+0x33/0x40
[ 11.128766] [<c1a9aa03>] ip6_dst_lookup_tail+0x3a3/0x460
[ 11.129582] [<c1a9e0ce>] ip6_dst_lookup_flow+0x2e/0x80
[ 11.130014] [<c1ad18e0>] ip6_datagram_connect+0x150/0x4e0
[ 11.130014] [<c1a4d0b5>] inet_dgram_connect+0x25/0x70
[ 11.130014] [<c198dd61>] SYSC_connect+0xa1/0xc0
[ 11.130014] [<c198f571>] SyS_connect+0x11/0x20
[ 11.130014] [<c198fe6b>] SyS_socketcall+0x12b/0x300
[ 11.130014] [<c1bbf880>] syscall_call+0x7/0xb
[ 11.130014] irq event stamp: 1184
[ 11.130014] hardirqs last enabled at (1184): [<c1086901>] local_bh_enable+0x71/0x110
[ 11.130014] hardirqs last disabled at (1183): [<c10868cd>] local_bh_enable+0x3d/0x110
[ 11.130014] softirqs last enabled at (0): [<c108014d>] copy_process.part.42+0x45d/0x11a0
[ 11.130014] softirqs last disabled at (1147): [<c1086e05>] irq_exit+0xa5/0xb0
[ 11.130014]
[ 11.130014] other info that might help us debug this:
[ 11.130014] Possible unsafe locking scenario:
[ 11.130014]
[ 11.130014] CPU0
[ 11.130014] ----
[ 11.130014] lock(&stats->syncp.seq#6);
[ 11.130014] <Interrupt>
[ 11.130014] lock(&stats->syncp.seq#6);
[ 11.130014]
[ 11.130014] *** DEADLOCK ***
[ 11.130014]
[ 11.130014] 3 locks held by init/4483:
[ 11.130014] #0: (rcu_read_lock){.+.+..}, at: [<c109363c>] SyS_setpriority+0x4c/0x620
[ 11.130014] #1: (((&ifa->dad_timer))){+.-...}, at: [<c108c1c0>] call_timer_fn+0x0/0xf0
[ 11.130014] #2: (rcu_read_lock){.+.+..}, at: [<c1ab6494>] ndisc_send_skb+0x54/0x5d0
[ 11.130014]
[ 11.130014] stack backtrace:
[ 11.130014] CPU: 0 PID: 4483 Comm: init Not tainted 3.12.0-rc1+ #68
[ 11.130014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.130014] 00000000 00000000 c55e5c10 c1bb0e71 c57128b0 c55e5c4c c1badf79 c1ec1123
[ 11.130014] c1ec1484 00001183 00000000 00000000 00000001 00000003 00000001 00000000
[ 11.130014] c1ec1484 00000004 c5712dcc 00000000 c55e5c84 c10de492 00000004 c10755f2
[ 11.130014] Call Trace:
[ 11.130014] [<c1bb0e71>] dump_stack+0x4b/0x66
[ 11.130014] [<c1badf79>] print_usage_bug+0x1d3/0x1dd
[ 11.130014] [<c10de492>] mark_lock+0x282/0x2f0
[ 11.130014] [<c10755f2>] ? kvm_clock_read+0x22/0x30
[ 11.130014] [<c10dd8b0>] ? check_usage_backwards+0x150/0x150
[ 11.130014] [<c10e0e74>] __lock_acquire+0x584/0x1af0
[ 11.130014] [<c10b1baf>] ? sched_clock_cpu+0xef/0x190
[ 11.130014] [<c10de58c>] ? mark_held_locks+0x8c/0xf0
[ 11.130014] [<c10e2996>] lock_acquire+0x96/0xd0
[ 11.130014] [<c1ab80c2>] ? ndisc_send_ns+0xe2/0x130
[ 11.130014] [<c1ab66d3>] ndisc_send_skb+0x293/0x5d0
[ 11.130014] [<c1ab80c2>] ? ndisc_send_ns+0xe2/0x130
[ 11.130014] [<c1ab80c2>] ndisc_send_ns+0xe2/0x130
[ 11.130014] [<c108cc32>] ? mod_timer+0xf2/0x160
[ 11.130014] [<c1aa706e>] ? addrconf_dad_timer+0xce/0x150
[ 11.130014] [<c1aa70aa>] addrconf_dad_timer+0x10a/0x150
[ 11.130014] [<c1aa6fa0>] ? addrconf_dad_completed+0x1c0/0x1c0
[ 11.130014] [<c108c233>] call_timer_fn+0x73/0xf0
[ 11.130014] [<c108c1c0>] ? __internal_add_timer+0xb0/0xb0
[ 11.130014] [<c1aa6fa0>] ? addrconf_dad_completed+0x1c0/0x1c0
[ 11.130014] [<c108c5b1>] run_timer_softirq+0x141/0x1e0
[ 11.130014] [<c1086b20>] ? __do_softirq+0x70/0x1b0
[ 11.130014] [<c1086b70>] __do_softirq+0xc0/0x1b0
[ 11.130014] [<c1086e05>] irq_exit+0xa5/0xb0
[ 11.130014] [<c106cfd5>] smp_apic_timer_interrupt+0x35/0x50
[ 11.130014] [<c1bbfbca>] apic_timer_interrupt+0x32/0x38
[ 11.130014] [<c10936ed>] ? SyS_setpriority+0xfd/0x620
[ 11.130014] [<c10e26c9>] ? lock_release+0x9/0x240
[ 11.130014] [<c10936d7>] ? SyS_setpriority+0xe7/0x620
[ 11.130014] [<c1bbee6d>] ? _raw_read_unlock+0x1d/0x30
[ 11.130014] [<c1093701>] SyS_setpriority+0x111/0x620
[ 11.130014] [<c109363c>] ? SyS_setpriority+0x4c/0x620
[ 11.130014] [<c1bbf880>] syscall_call+0x7/0xb
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: James Morris <jmorris@namei.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/1381186321-4906-5-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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In order to enable lockdep on seqcount/seqlock structures, we
must explicitly initialize any locks.
The u64_stats_sync structure, uses a seqcount, and thus we need
to introduce a u64_stats_init() function and use it to initialize
the structure.
This unfortunately adds a lot of fairly trivial initialization code
to a number of drivers. But the benefit of ensuring correctness makes
this worth while.
Because these changes are required for lockdep to be enabled, and the
changes are quite trivial, I've not yet split this patch out into 30-some
separate patches, as I figured it would be better to get the various
maintainers thoughts on how to best merge this change along with
the seqcount lockdep enablement.
Feedback would be appreciated!
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: James Morris <jmorris@namei.org>
Cc: Jesse Gross <jesse@nicira.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Mirko Lindner <mlindner@marvell.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Roger Luethi <rl@hellgate.ch>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Simon Horman <horms@verge.net.au>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Wensong Zhang <wensong@linux-vs.org>
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/1381186321-4906-2-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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|
Now rt6_alloc_cow() is only called by ip6_pol_route() when
rt->rt6i_flags doesn't contain both RTF_NONEXTHOP and RTF_GATEWAY,
and rt->rt6i_flags hasn't been changed in ip6_rt_copy().
So there is no neccessary to judge whether rt->rt6i_flags contains
RTF_GATEWAY or not.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 1e2bd517c108816220f262d7954b697af03b5f9c ("udp6: Fix udp
fragmentation for tunnel traffic.") changed the calculation if
there is enough space to include a fragment header in the skb from a
skb->mac_header dervived one to skb_headroom. Because we already peeled
off the skb to transport_header this is wrong. Change this back to check
if we have enough room before the mac_header.
This fixes a panic Saran Neti reported. He used the tbf scheduler which
skb_gso_segments the skb. The offsets get negative and we panic in memcpy
because the skb was erroneously not expanded at the head.
Reported-by: Saran Neti <Saran.Neti@telus.com>
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
The code of flow label in Linux Kernel follows
the rules of RFC 1809 (an informational one) for
conditions on flow label sharing. There rules are
not in the last proposed standard for flow label
(RFC 6437), or in the previous one (RFC 3697).
Since this code does not follow any current or
old standard, we can remove it.
With this removal, the ipv6_opt_cmp function is
now a dead code and it can be removed too.
Changelog to v1:
* add justification for the change
* remove the condition on IPv6 options
[ Remove ipv6_hdr_cmp and it is now unused as well. -DaveM ]
Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hannes Frederic Sowa
Li RongQing
Yasushi Asano
Eric Dumazet
Patrick McHardy
Florent Fourcot
Stefan Tomanek
Kamala R
François-Xavier Le Bail
Duan Jiong
Baker Zhang
Gao feng
Oussama Ghorbel
Herbert Xu
David S. Miller
Linus Torvalds
Vlad Yasevich
Fabio Estevam
Martin Topholm
Nicolas Dichtel
Willem de Bruijn
Jiri Pirko
John Stultz