net/ipv6: Increment OUTxxx counters after netfilter hook

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[ Upstream commit 71a1c91523 ]

At the end of ip6_forward(), IPSTATS_MIB_OUTFORWDATAGRAMS and
IPSTATS_MIB_OUTOCTETS are incremented immediately before the NF_HOOK call
for NFPROTO_IPV6 / NF_INET_FORWARD.  As a result, these counters get
incremented regardless of whether or not the netfilter hook allows the
packet to continue being processed.  This change increments the counters
in ip6_forward_finish() so that it will not happen if the netfilter hook
chooses to terminate the packet, which is similar to how IPv4 works.

Signed-off-by: Jeff Barnhill <0xeffeff@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jeff Barnhill 2018-04-05 21:29:47 +00:00 • committed by Greg Kroah-Hartman

parent d1b820bd98

commit 7948bc9279

1 changed files with 5 additions and 2 deletions

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net/ipv6/ip6_output.c

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