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[NETFILTER]: nfnetlink_log: fix use after free 

Paranoia: instance_put() might have freed the inst pointer when we
spin_unlock_bh().

Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Michal Miroslaw 2007-03-04 15:58:40 -08:00 committed by David S. Miller
parent ed32abeaf3
commit 05f7b7b369
1 changed files with 1 additions and 1 deletions
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net/netfilter/nfnetlink_log.c
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@ -393,8 +393,8 @@ static void nfulnl_timer(unsigned long data)
spin_lock_bh(&inst->lock);
__nfulnl_send(inst);
instance_put(inst);
spin_unlock_bh(&inst->lock);
instance_put(inst);
}
/* This is an inline function, we don't really care about a long