Yajun Deng
2021-Jul-29 08:20 UTC
[Bridge] [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error
It should be added kfree_skb_list() when err is not equal to zero in nf_br_ip_fragment(). v2: keep this aligned with IPv6. v3: modify iter.frag_list to iter.frag. Fixes: 3c171f496ef5 ("netfilter: bridge: add connection tracking system") Signed-off-by: Yajun Deng <yajun.deng at linux.dev> --- net/bridge/netfilter/nf_conntrack_bridge.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/bridge/netfilter/nf_conntrack_bridge.c b/net/bridge/netfilter/nf_conntrack_bridge.c index 8d033a75a766..d184306e1ba8 100644 --- a/net/bridge/netfilter/nf_conntrack_bridge.c +++ b/net/bridge/netfilter/nf_conntrack_bridge.c @@ -88,6 +88,11 @@ static int nf_br_ip_fragment(struct net *net, struct sock *sk, skb = ip_fraglist_next(&iter); } + + if (!err) + return 0; + + kfree_skb_list(iter.frag); return err; } slow_path: -- 2.32.0