netfilter: nfnetlink_queue: reject verdict request from different portid

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commit 00a3101f56 upstream.

Like NFQNL_MSG_VERDICT_BATCH do, we should also reject the verdict
request when the portid is not same with the initial portid(maybe
from another process).

Fixes: 97d32cf944 ("netfilter: nfnetlink_queue: batch verdict support")
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Liping Zhang 2016-08-08 22:07:27 +08:00 • committed by Ben Hutchings

parent 7bd848a928

commit 523dee1258

1 changed files with 2 additions and 4 deletions

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net/netfilter/nfnetlink_queue_core.c

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