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(parent: a6e57c4) | patch
netfilter: nfnetlink_hook: use the sequence number of the request message
authorPablo Neira Ayuso <pablo@netfilter.org>
Tue, 3 Aug 2021 23:27:19 +0000 (01:27 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 6 Aug 2021 15:07:40 +0000 (17:07 +0200)
commit3d9bbaf6c5416bfc50f014ce5879c8c440aaa511
treed801c15f0a46047b230a9c0823e6c17b7d7ff6d7tree | snapshot
parenta6e57c4af12bbacf927d7321c3aa894948653688commit | diff
netfilter: nfnetlink_hook: use the sequence number of the request message

The sequence number allows to correlate the netlink reply message (as
part of the dump) with the original request message.

The cb->seq field is internally used to detect an interference (update)
of the hook list during the netlink dump, do not use it as sequence
number in the netlink dump header.

Fixes: e2cf17d3774c ("netfilter: add new hook nfnl subsystem")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nfnetlink_hook.c diff | blob | history
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