diff options
| author | Florian Westphal <fw@strlen.de> | 2018-12-28 01:24:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 21:09:47 +0100 |
| commit | b0b9b2cf441b25a8ad9fea69e539722d37460779 (patch) | |
| tree | 832b4c7e88e85dceb6fce183fbfa499a428be0ac /net | |
| parent | 385c1e4b7788a88bed1f7d1315f851ada1260643 (diff) | |
netfilter: nf_conncount: fix argument order to find_next_bit
commit a007232066f6839d6f256bab21e825d968f1a163 upstream.
Size and 'next bit' were swapped, this bug could cause worker to
reschedule itself even if system was idle.
Fixes: 5c789e131cbb9 ("netfilter: nf_conncount: Add list lock and gc worker, and RCU for init tree search")
Reviewed-by: Shawn Bohrer <sbohrer@cloudflare.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_conncount.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c index f0b05dfebc6e..7554c56b2e63 100644 --- a/net/netfilter/nf_conncount.c +++ b/net/netfilter/nf_conncount.c @@ -488,7 +488,7 @@ next: clear_bit(tree, data->pending_trees); next_tree = (tree + 1) % CONNCOUNT_SLOTS; - next_tree = find_next_bit(data->pending_trees, next_tree, CONNCOUNT_SLOTS); + next_tree = find_next_bit(data->pending_trees, CONNCOUNT_SLOTS, next_tree); if (next_tree < CONNCOUNT_SLOTS) { data->gc_tree = next_tree; |