* [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error
@ 2021-07-29 8:20 ` Yajun Deng
0 siblings, 0 replies; 4+ messages in thread
From: Yajun Deng @ 2021-07-29 8:20 UTC (permalink / raw)
To: pablo, kadlec, fw
Cc: netfilter-devel, coreteam, bridge, netdev, linux-kernel, Yajun Deng
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@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
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [Bridge] [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error
@ 2021-07-29 8:20 ` Yajun Deng
0 siblings, 0 replies; 4+ messages in thread
From: Yajun Deng @ 2021-07-29 8:20 UTC (permalink / raw)
To: pablo, kadlec, fw
Cc: netdev, bridge, linux-kernel, coreteam, Yajun Deng, netfilter-devel
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@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
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error
2021-07-29 8:20 ` [Bridge] " Yajun Deng
@ 2021-08-01 10:15 ` Pablo Neira Ayuso
-1 siblings, 0 replies; 4+ messages in thread
From: Pablo Neira Ayuso @ 2021-08-01 10:15 UTC (permalink / raw)
To: Yajun Deng
Cc: kadlec, fw, netfilter-devel, coreteam, bridge, netdev, linux-kernel
On Thu, Jul 29, 2021 at 04:20:21PM +0800, Yajun Deng wrote:
> It should be added kfree_skb_list() when err is not equal to zero
> in nf_br_ip_fragment().
Applied, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bridge] [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error
@ 2021-08-01 10:15 ` Pablo Neira Ayuso
0 siblings, 0 replies; 4+ messages in thread
From: Pablo Neira Ayuso @ 2021-08-01 10:15 UTC (permalink / raw)
To: Yajun Deng
Cc: netdev, bridge, fw, linux-kernel, kadlec, coreteam, netfilter-devel
On Thu, Jul 29, 2021 at 04:20:21PM +0800, Yajun Deng wrote:
> It should be added kfree_skb_list() when err is not equal to zero
> in nf_br_ip_fragment().
Applied, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-08-01 10:15 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-29 8:20 [PATCH v3] netfilter: nf_conntrack_bridge: Fix memory leak when error Yajun Deng
2021-07-29 8:20 ` [Bridge] " Yajun Deng
2021-08-01 10:15 ` Pablo Neira Ayuso
2021-08-01 10:15 ` [Bridge] " Pablo Neira Ayuso
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