Similar to commit c29390c6dfee ("xps: must clear sender_cpu before
forwarding"), we also need to clear the skb->sender_cpu when moving
from RX to TX via skb_do_redirect() due to the shared location of
napi_id (used on RX) and sender_cpu (used on TX).
Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Daniel Borkmann <dan...@iogearbox.net>
---
( It's also needed here in the net-next commit 27b29f63058d. )
net/core/filter.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/core/filter.c b/net/core/filter.c
index da3e535..8f4603c 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1462,6 +1462,7 @@ int skb_do_redirect(struct sk_buff *skb)
return dev_forward_skb(dev, skb);
skb->dev = dev;
+ skb_sender_cpu_clear(skb);
return dev_queue_xmit(skb);
}
--
1.9.3
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