Messages in this thread Patch in this message | | | From | Peilin Ye <> | Subject | [PATCH net] udp: Use WARN_ON_ONCE() in udp_read_skb() | Date | Tue, 20 Sep 2022 17:59:15 -0700 |
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From: Peilin Ye <peilin.ye@bytedance.com>
Prevent udp_read_skb() from flooding the syslog.
Suggested-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Peilin Ye <peilin.ye@bytedance.com> --- net/ipv4/udp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index cd72158e953a..560d9eadeaa5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1821,7 +1821,7 @@ int udp_read_skb(struct sock *sk, skb_read_actor_t recv_actor) continue; } - WARN_ON(!skb_set_owner_sk_safe(skb, sk)); + WARN_ON_ONCE(!skb_set_owner_sk_safe(skb, sk)); used = recv_actor(sk, skb); if (used <= 0) { if (!copied) -- 2.20.1
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