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authorTodd Seidelmann <tseidelmann@linode.com>2019-08-14 10:54:16 -0400
committerPablo Neira Ayuso <pablo@netfilter.org>2019-08-19 09:34:20 +0200
commitf20faa06d83de440bec8e200870784c3458793c4 (patch)
tree35d3a5abd7aefb54687cb329e2cb35e97156e51a /net
parent0d7342c3637462fc6291b392ced9af0f4ca4dab4 (diff)
netfilter: ebtables: Fix argument order to ADD_COUNTER
The ordering of arguments to the x_tables ADD_COUNTER macro appears to be wrong in ebtables (cf. ip_tables.c, ip6_tables.c, and arp_tables.c). This causes data corruption in the ebtables userspace tools because they get incorrect packet & byte counts from the kernel. Fixes: d72133e628803 ("netfilter: ebtables: use ADD_COUNTER macro") Signed-off-by: Todd Seidelmann <tseidelmann@linode.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/bridge/netfilter/ebtables.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index c8177a89f52c..4096d8a74a2b 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -221,7 +221,7 @@ unsigned int ebt_do_table(struct sk_buff *skb,
return NF_DROP;
}
- ADD_COUNTER(*(counter_base + i), 1, skb->len);
+ ADD_COUNTER(*(counter_base + i), skb->len, 1);
/* these should only watch: not modify, nor tell us
* what to do with the packet
@@ -959,8 +959,8 @@ static void get_counters(const struct ebt_counter *oldcounters,
continue;
counter_base = COUNTER_BASE(oldcounters, nentries, cpu);
for (i = 0; i < nentries; i++)
- ADD_COUNTER(counters[i], counter_base[i].pcnt,
- counter_base[i].bcnt);
+ ADD_COUNTER(counters[i], counter_base[i].bcnt,
+ counter_base[i].pcnt);
}
}
@@ -1280,7 +1280,7 @@ static int do_update_counters(struct net *net, const char *name,
/* we add to the counters of the first cpu */
for (i = 0; i < num_counters; i++)
- ADD_COUNTER(t->private->counters[i], tmp[i].pcnt, tmp[i].bcnt);
+ ADD_COUNTER(t->private->counters[i], tmp[i].bcnt, tmp[i].pcnt);
write_unlock_bh(&t->lock);
ret = 0;