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authorPhil Sutter <phil@nwl.cc>2022-01-25 22:06:03 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2022-01-27 02:06:52 +0300
commitaeac4554eb549037ff2f719200c0a9c1c25e7eaa (patch)
tree7a0bd5b3aeff3f06f98918220609f2e0893010c1 /net/bridge
parentaad51ca71ad83273e8826d6cfdcf53c98748d1fa (diff)
downloadlinux-aeac4554eb549037ff2f719200c0a9c1c25e7eaa.tar.xz
netfilter: nft_reject_bridge: Fix for missing reply from prerouting
Prior to commit fa538f7cf05aa ("netfilter: nf_reject: add reject skbuff creation helpers"), nft_reject_bridge did not assign to nskb->dev before passing nskb on to br_forward(). The shared skbuff creation helpers introduced in above commit do which seems to confuse br_forward() as reject statements in prerouting hook won't emit a packet anymore. Fix this by simply passing NULL instead of 'dev' to the helpers - they use the pointer for just that assignment, nothing else. Fixes: fa538f7cf05aa ("netfilter: nf_reject: add reject skbuff creation helpers") Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/nft_reject_bridge.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index eba0efe64d05..fbf858ddec35 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -49,7 +49,7 @@ static void nft_reject_br_send_v4_tcp_reset(struct net *net,
{
struct sk_buff *nskb;
- nskb = nf_reject_skb_v4_tcp_reset(net, oldskb, dev, hook);
+ nskb = nf_reject_skb_v4_tcp_reset(net, oldskb, NULL, hook);
if (!nskb)
return;
@@ -65,7 +65,7 @@ static void nft_reject_br_send_v4_unreach(struct net *net,
{
struct sk_buff *nskb;
- nskb = nf_reject_skb_v4_unreach(net, oldskb, dev, hook, code);
+ nskb = nf_reject_skb_v4_unreach(net, oldskb, NULL, hook, code);
if (!nskb)
return;
@@ -81,7 +81,7 @@ static void nft_reject_br_send_v6_tcp_reset(struct net *net,
{
struct sk_buff *nskb;
- nskb = nf_reject_skb_v6_tcp_reset(net, oldskb, dev, hook);
+ nskb = nf_reject_skb_v6_tcp_reset(net, oldskb, NULL, hook);
if (!nskb)
return;
@@ -98,7 +98,7 @@ static void nft_reject_br_send_v6_unreach(struct net *net,
{
struct sk_buff *nskb;
- nskb = nf_reject_skb_v6_unreach(net, oldskb, dev, hook, code);
+ nskb = nf_reject_skb_v6_unreach(net, oldskb, NULL, hook, code);
if (!nskb)
return;