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Herbert Xu 57ea52a865 gro: Disable frag0 optimization on IPv6 ext headers 
The GRO fast path caches the frag0 address.  This address becomes
invalid if frag0 is modified by pskb_may_pull or its variants.
So whenever that happens we must disable the frag0 optimization.

This is usually done through the combination of gro_header_hard
and gro_header_slow, however, the IPv6 extension header path did
the pulling directly and would continue to use the GRO fast path
incorrectly.

This patch fixes it by disabling the fast path when we enter the
IPv6 extension header path.

Fixes: 78a478d0ef ("gro: Inline skb_gro_header and cache frag0 virtual address")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2017-01-10 21:30:33 -05:00
..
ila ila: Fix crash caused by rhashtable changes 2016-11-02 15:26:02 -04:00
netfilter Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
Kconfig ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
Makefile ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
addrconf.c ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
addrconf_core.c
…
addrlabel.c
…
af_inet6.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ah6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
anycast.c
…
calipso.c
…
datagram.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
esp6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
exthdrs.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
exthdrs_core.c
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exthdrs_offload.c
…
fib6_rules.c
…
fou6.c
…
icmp.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inet6_connection_sock.c inet: Fix get port to handle zero port number with soreuseport set 2016-12-17 11:13:19 -05:00
inet6_hashtables.c inet: Fix missing return value in inet6_hash 2016-10-29 12:01:49 -04:00
ip6_checksum.c
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ip6_fib.c
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ip6_flowlabel.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ip6_gre.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
ip6_icmp.c
…
ip6_input.c
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ip6_offload.c gro: Disable frag0 optimization on IPv6 ext headers 2017-01-10 21:30:33 -05:00
ip6_offload.h
…
ip6_output.c ipv6: Should use consistent conditional judgement for ip6 fragment between __ip6_append_data and ip6_finish_output 2016-12-29 11:55:17 -05:00
ip6_tunnel.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ip6_udp_tunnel.c ip6_udp_tunnel: remove unused IPCB related codes 2016-11-02 15:18:36 -04:00
ip6_vti.c vti6: fix device register to report IFLA_INFO_KIND 2017-01-06 16:09:09 -05:00
ip6mr.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ipcomp6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
ipv6_sockglue.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mcast.c ipv6: fix a potential deadlock in do_ipv6_setsockopt() 2016-10-21 11:29:02 -04:00
mcast_snoop.c
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mip6.c ktime: Get rid of ktime_equal() 2016-12-25 17:21:23 +01:00
ndisc.c ipv6 addrconf: Implemented enhanced DAD (RFC7527) 2016-12-03 23:21:37 -05:00
netfilter.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
output_core.c ipv6: Set skb->protocol properly for local output 2016-12-02 12:34:22 -05:00
ping.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
proc.c
…
protocol.c
…
raw.c ipv6: handle -EFAULT from skb_copy_bits 2016-12-23 12:20:39 -05:00
reassembly.c ipv6: on reassembly, record frag_max_size 2016-11-03 15:41:11 -04:00
route.c ipv6: fix typos 2017-01-09 16:34:15 -05:00
seg6.c ipv6: sr: add option to control lwtunnel support 2016-11-16 11:29:46 -05:00
seg6_hmac.c ipv6: sr: add core files for SR HMAC support 2016-11-09 20:40:06 -05:00
seg6_iptunnel.c ipv6: sr: add calls to verify and insert HMAC signatures 2016-11-09 20:40:06 -05:00
sit.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
syncookies.c tcp: randomize tcp timestamp offsets for each connection 2016-12-02 12:49:59 -05:00
sysctl_net_ipv6.c
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tcp_ipv6.c tcp: tsq: move tsq_flags close to sk_wmem_alloc 2016-12-05 13:32:24 -05:00
tcpv6_offload.c
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tunnel6.c
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udp.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
udp_impl.h udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
udp_offload.c
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udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c
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xfrm6_mode_beet.c
…
xfrm6_mode_ro.c
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xfrm6_mode_transport.c
…
xfrm6_mode_tunnel.c
…
xfrm6_output.c
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xfrm6_policy.c
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xfrm6_protocol.c
…
xfrm6_state.c
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xfrm6_tunnel.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00