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netfilter: conntrack: don't increment invalid counter on NF_REPEAT
authorFlorian Westphal <fw@strlen.de>
Thu, 13 Jan 2022 20:37:58 +0000 (21:37 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Sat, 15 Jan 2022 23:55:27 +0000 (00:55 +0100)
commit830af2eba40327abec64325a5b08b1e85c37a2e0
tree0f572050fe647ad8623ff8a8b1aae05e12084d0e
parent7d70984a1ad4c445dff08edb9aacce8906b6a222
netfilter: conntrack: don't increment invalid counter on NF_REPEAT

The packet isn't invalid, REPEAT means we're trying again after cleaning
out a stale connection, e.g. via tcp tracker.

This caused increases of invalid stat counter in a test case involving
frequent connection reuse, even though no packet is actually invalid.

Fixes: 56a62e2218f5 ("netfilter: conntrack: fix NF_REPEAT handling")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_conntrack_core.c