From: Tim Yi <tim.yi@pica8.com> To: nikolay@nvidia.com Cc: roopa@nvidia.com, davem@davemloft.net, kuba@kernel.org, bridge@lists.linux-foundation.org, netdev@vger.kernel.org, Tim Yi <tim.yi@pica8.com> Subject: [PATCH] net: bridge: vlan: fix memory leak in __allowed_ingress Date: Thu, 27 Jan 2022 15:49:53 +0800 [thread overview] Message-ID: <20220127074953.12632-1-tim.yi@pica8.com> (raw) When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and the pvid state is not learning/forwarding, untagged or priority-tagged frame will be dropped but skb memory is not freed. Should free skb when __allowed_ingress returns false. Signed-off-by: Tim Yi <tim.yi@pica8.com> --- net/bridge/br_vlan.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 84ba456a78cc..88c4297cddee 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -560,10 +560,10 @@ static bool __allowed_ingress(const struct net_bridge *br, !br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) { if (*state == BR_STATE_FORWARDING) { *state = br_vlan_get_pvid_state(vg); - return br_vlan_state_allowed(*state, true); - } else { - return true; + if (!br_vlan_state_allowed(*state, true)) + goto drop; } + return true; } } v = br_vlan_find(vg, *vid); -- 2.28.0.618.g9bc233ae1c
WARNING: multiple messages have this Message-ID (diff)
From: Tim Yi <tim.yi@pica8.com> To: nikolay@nvidia.com Cc: Tim Yi <tim.yi@pica8.com>, netdev@vger.kernel.org, bridge@lists.linux-foundation.org, roopa@nvidia.com, kuba@kernel.org, davem@davemloft.net Subject: [Bridge] [PATCH] net: bridge: vlan: fix memory leak in __allowed_ingress Date: Thu, 27 Jan 2022 15:49:53 +0800 [thread overview] Message-ID: <20220127074953.12632-1-tim.yi@pica8.com> (raw) When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and the pvid state is not learning/forwarding, untagged or priority-tagged frame will be dropped but skb memory is not freed. Should free skb when __allowed_ingress returns false. Signed-off-by: Tim Yi <tim.yi@pica8.com> --- net/bridge/br_vlan.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 84ba456a78cc..88c4297cddee 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -560,10 +560,10 @@ static bool __allowed_ingress(const struct net_bridge *br, !br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) { if (*state == BR_STATE_FORWARDING) { *state = br_vlan_get_pvid_state(vg); - return br_vlan_state_allowed(*state, true); - } else { - return true; + if (!br_vlan_state_allowed(*state, true)) + goto drop; } + return true; } } v = br_vlan_find(vg, *vid); -- 2.28.0.618.g9bc233ae1c
next reply other threads:[~2022-01-27 7:50 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-27 7:49 Tim Yi [this message] 2022-01-27 7:49 ` [Bridge] [PATCH] net: bridge: vlan: fix memory leak in __allowed_ingress Tim Yi 2022-01-27 8:03 ` Nikolay Aleksandrov 2022-01-27 8:03 ` [Bridge] " Nikolay Aleksandrov 2022-01-27 17:10 ` patchwork-bot+netdevbpf 2022-01-27 17:10 ` [Bridge] " patchwork-bot+netdevbpf
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