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android_kernel_oneplus_msm8998/net/ipv6
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Mahesh Bandewar 2c88ce9a59 ipv6: avoid dad-failures for addresses with NODAD 
[ Upstream commit 66eb9f86e50547ec2a8ff7a75997066a74ef584b ]

Every address gets added with TENTATIVE flag even for the addresses with
IFA_F_NODAD flag and dad-work is scheduled for them. During this DAD process
we realize it's an address with NODAD and complete the process without
sending any probe. However the TENTATIVE flags stays on the
address for sometime enough to cause misinterpretation when we receive a NS.
While processing NS, if the address has TENTATIVE flag, we mark it DADFAILED
and endup with an address that was originally configured as NODAD with
DADFAILED.

We can't avoid scheduling dad_work for addresses with NODAD but we can
avoid adding TENTATIVE flag to avoid this racy situation.

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-13 19:50:06 +02:00
..
netfilter netfilter: x_tables: pack percpu counter allocations 2018-03-18 11:17:52 +01:00
addrconf.c ipv6: avoid dad-failures for addresses with NODAD 2018-04-13 19:50:06 +02:00
addrconf_core.c ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument 2015-07-31 15:21:30 -07:00
addrlabel.c ipv6/addrlabel: fix ip6addrlbl_get() 2015-12-22 15:57:54 -05:00
af_inet6.c net: reevalulate autoflowlabel setting after sysctl setting 2018-01-02 20:33:25 +01:00
ah6.c ah6: fix error return code 2015-08-25 13:37:31 -07:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
datagram.c ipv6: Handle IPv4-mapped src to in6addr_any dst. 2017-06-17 06:39:35 +02:00
esp6.c esp6: Fix integrity verification when ESN are used 2016-12-10 19:07:26 +01:00
exthdrs.c ipv6: add complete rcu protection around np->opt 2015-12-02 23:37:16 -05:00
exthdrs_core.c ipv6: re-enable fragment header matching in ipv6_find_hdr 2016-04-20 15:41:59 +09:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
fib6_rules.c ipv6: Do not leak throw route references 2017-07-05 14:37:14 +02:00
icmp.c ipv6: kill sk_dst_lock 2015-12-03 11:32:06 -05:00
ila.c dst: Pass net into dst->output 2015-10-08 04:27:03 -07:00
inet6_connection_sock.c ipv6: kill sk_dst_lock 2015-12-03 11:32:06 -05:00
inet6_hashtables.c net: SO_INCOMING_CPU setsockopt() support 2015-10-12 19:28:20 -07:00
ip6_checksum.c udplite: fix partial checksum initialization 2018-03-11 16:19:46 +01:00
ip6_fib.c ipv6: fix typo in fib6_net_exit() 2017-09-27 11:00:12 +02:00
ip6_flowlabel.c ipv6: flowlabel: do not leave opt->tot_len with garbage 2017-11-18 11:11:06 +01:00
ip6_gre.c net: replace dst_cache ip6_tunnel implementation with the generic one 2018-02-25 11:03:34 +01:00
ip6_icmp.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_input.c netfilter: Pass net into okfn 2015-09-17 17:18:37 -07:00
ip6_offload.c ipv6: Fix leak in ipv6_gso_segment(). 2017-06-14 13:16:19 +02:00
ip6_offload.h
ip6_output.c ipv6: ip6_make_skb() needs to clear cork.base.dst 2018-01-31 12:06:13 +01:00
ip6_tunnel.c net: replace dst_cache ip6_tunnel implementation with the generic one 2018-02-25 11:03:34 +01:00
ip6_udp_tunnel.c vxlan: do not receive IPv4 packets on IPv6 socket 2015-08-29 13:07:54 -07:00
ip6_vti.c Revert "ip6_vti: adjust vti mtu according to mtu of lower device" 2018-04-08 11:52:02 +02:00
ip6mr.c ip6mr: fix stale iterator 2018-02-16 20:09:37 +01:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c netfilter: drop outermost socket lock in getsockopt() 2018-02-28 10:17:21 +01:00
Kconfig net: replace dst_cache ip6_tunnel implementation with the generic one 2018-02-25 11:03:34 +01:00
Makefile net: Identifier Locator Addressing module 2015-08-17 21:33:06 -07:00
mcast.c ipv6: mcast: better catch silly mtu values 2018-01-02 20:33:24 +01:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mip6.c ipv6: use ktime_t for internal timestamps 2015-10-05 03:16:47 -07:00
ndisc.c ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option() 2018-03-31 18:12:33 +02:00
netfilter.c ipv6: Pass struct net into ip6_route_me_harder 2015-09-29 20:21:32 +02:00
output_core.c ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() 2017-09-27 11:00:10 +02:00
ping.c net: ping: do not abuse udp_poll() 2017-06-14 13:16:19 +02:00
proc.c udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts 2014-11-07 15:45:50 -05:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c net: ping: do not abuse udp_poll() 2017-06-14 13:16:19 +02:00
reassembly.c Revert "net: fix percpu memory leaks" 2017-09-27 11:00:11 +02:00
route.c ipv6: icmp6: Allow icmp messages to be looped back 2018-03-03 10:19:41 +01:00
sit.c ipv6 sit: work around bogus gcc-8 -Wrestrict warning 2018-03-11 16:19:46 +01:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-08-11 09:08:51 -07:00
sysctl_net_ipv6.c ipv6: Implement different admin modes for automatic flow labels 2015-07-31 17:07:11 -07:00
tcp_ipv6.c tcp md5sig: Use skb's saddr when replying to an incoming segment 2018-01-02 20:33:25 +01:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp.c udpv6: Fix the checksum computation when HW checksum does not apply 2017-10-21 17:09:02 +02:00
udp_impl.h net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
udp_offload.c net: avoid skb_warn_bad_offload false positives on UFO 2017-08-12 19:29:08 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c netfilter: Pass struct net into the netfilter hooks 2015-09-17 17:18:37 -07:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-14 13:16:19 +02:00
xfrm6_mode_transport.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-14 13:16:19 +02:00
xfrm6_mode_tunnel.c ipv6: update skb->csum when CE mark is propagated 2016-01-31 11:29:01 -08:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm6_policy.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-12-22 16:26:31 -05:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00