AuxXxilium/linux_dsm_epyc7002
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4ad19de877
linux_dsm_epyc7002/net/ipv6
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Alexey Kodanev 4ad19de877 net: tcp6: fix double call of tcp_v6_fill_cb() 
tcp_v6_fill_cb() will be called twice if socket's state changes from
TCP_TIME_WAIT to TCP_LISTEN. That can result in control buffer data
corruption because in the second tcp_v6_fill_cb() call it's not copying
IP6CB(skb) anymore, but 'seq', 'end_seq', etc., so we can get weird and
unpredictable results. Performance loss of up to 1200% has been observed
in LTP/vxlan03 test.

This can be fixed by copying inet6_skb_parm to the beginning of 'cb'
only if xfrm6_policy_check() and tcp_v6_fill_cb() are going to be
called again.

Fixes: 2dc49d1680 ("tcp6: don't move IP6CB before xfrm6_policy_check()")

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-29 13:36:05 -07:00
..
netfilter netfilter: restore rule tracing via nfnetlink_log 2015-03-19 11:14:48 +01:00
addrconf_core.c ipv6: remove rt6i_genid 2014-09-30 14:00:48 -04:00
addrconf.c ipv6: addrconf: validate new MTU before applying it 2015-02-23 18:16:12 -05:00
addrlabel.c netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
af_inet6.c ipv6: make fib6 serial number per namespace 2014-10-07 00:02:30 -04:00
ah6.c ipv6: coding style improvements (remove assignment in if statements) 2014-11-23 21:00:56 -05:00
anycast.c ipv6: remove aca_lock spinlock from struct ifacaddr6 2014-10-14 13:15:15 -04:00
datagram.c ip: fix error queue empty skb handling 2015-03-08 23:01:54 -04:00
esp6.c ipv6: coding style improvements (remove assignment in if statements) 2014-11-23 21:00:56 -05:00
exthdrs_core.c ipv6: ipv6_find_hdr restore prev functionality 2014-02-27 18:27:26 -05:00
exthdrs_offload.c ipv6: Fix exthdrs offload registration. 2014-03-06 16:35:55 -05:00
exthdrs.c net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited 2014-11-11 14:10:31 -05:00
fib6_rules.c ipv6: fix backtracking for throw routes 2015-03-20 12:57:23 -04:00
icmp.c ipv6:icmp:remove unnecessary brackets 2015-01-14 16:35:49 -05:00
inet6_connection_sock.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
inet6_hashtables.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
ip6_checksum.c udp: Generic functions to set checksum 2014-06-04 22:46:38 -07:00
ip6_fib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-27 16:59:56 -08:00
ip6_flowlabel.c ipv6: fix possible deadlock in ip6_fl_purge / ip6_fl_gc 2015-02-12 07:13:03 -08:00
ip6_gre.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-05 14:33:28 -08:00
ip6_icmp.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_input.c ipv6: coding style improvements (remove assignment in if statements) 2014-11-23 21:00:56 -05:00
ip6_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-11-29 20:47:48 -08:00
ip6_offload.h ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
ip6_output.c xps: must clear sender_cpu before forwarding 2015-03-11 23:51:18 -04:00
ip6_tunnel.c ip6_tunnel: fix error code when tunnel exists 2015-03-17 15:01:18 -04:00
ip6_udp_tunnel.c udp: Do not require sock in udp_tunnel_xmit_skb 2015-01-24 23:15:40 -08:00
ip6_vti.c tunnels: advertise link netns via netlink 2015-01-19 14:32:03 -05:00
ip6mr.c ipmr,ip6mr: call ip6mr_free_table() on failure path 2015-03-29 12:13:54 -07:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c ipv6: tcp: fix race in IPV6_2292PKTOPTIONS 2015-01-26 00:44:08 -08:00
Kconfig ip6_vti: Fix build when NET_IP_TUNNEL is not set. 2014-02-20 14:29:49 +01:00
Makefile udp_tunnel: Only build ip6_udp_tunnel.c when IPV6 is selected 2014-09-19 22:05:28 -04:00
mcast.c ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs 2014-11-16 16:55:06 -05:00
mip6.c net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited 2014-11-11 14:10:31 -05:00
ndisc.c ipv6: Don't reduce hop limit for an interface 2015-03-25 11:41:08 -04:00
netfilter.c net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited 2014-11-11 14:10:31 -05:00
output_core.c ipv6: Make __ipv6_select_ident static 2015-02-09 14:21:03 -08:00
ping.c net: ping: Return EAFNOSUPPORT when appropriate. 2015-03-04 15:46:51 -05:00
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: switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter() 2015-02-04 01:34:15 -05:00
reassembly.c ipv6: coding style improvements (remove assignment in if statements) 2014-11-23 21:00:56 -05:00
route.c ipv6: fix ipv6_cow_metrics for non DST_HOST case 2015-02-14 20:26:16 -08:00
sit.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-05 14:33:28 -08:00
syncookies.c net: allow setting ecn via routing table 2014-11-04 16:06:09 -05:00
sysctl_net_ipv6.c ipv6: add sysctl_mld_qrv to configure query robustness variable 2014-09-04 22:26:14 -07:00
tcp_ipv6.c net: tcp6: fix double call of tcp_v6_fill_cb() 2015-03-29 13:36:05 -07:00
tcpv6_offload.c net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
tunnel6.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c ipv6: call ipv6_proxy_select_ident instead of ipv6_select_ident in udp6_ufo_fragment 2015-03-20 12:56:11 -04:00
udp.c udpv6: Add lockless sendmsg() support 2015-02-02 19:28:04 -08:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
xfrm6_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c xfrm6: Remove xfrm_tunnel_notifier 2014-03-14 07:28:08 +01:00
xfrm6_output.c xfrm: Fix local error reporting crash with interfamily tunnels 2015-02-09 11:14:17 +01:00
xfrm6_policy.c xfrm6: Fix a offset value for network header in _decode_session6 2015-02-06 07:00:32 +01:00
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