* [PATCH net] udp: Use WARN_ON_ONCE() in udp_read_skb()
@ 2022-09-21 0:59 Peilin Ye
2022-09-22 14:10 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Peilin Ye @ 2022-09-21 0:59 UTC (permalink / raw)
To: Eric Dumazet, David S. Miller, Hideaki YOSHIFUJI, David Ahern,
Jakub Kicinski, Paolo Abeni
Cc: Peilin Ye, Cong Wang, Kuniyuki Iwashima, Alexei Starovoitov,
netdev, linux-kernel, Peilin Ye
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
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH net] udp: Use WARN_ON_ONCE() in udp_read_skb()
2022-09-21 0:59 [PATCH net] udp: Use WARN_ON_ONCE() in udp_read_skb() Peilin Ye
@ 2022-09-22 14:10 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-09-22 14:10 UTC (permalink / raw)
To: Peilin Ye
Cc: edumazet, davem, yoshfuji, dsahern, kuba, pabeni, peilin.ye,
cong.wang, kuniyu, ast, netdev, linux-kernel
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 20 Sep 2022 17:59:15 -0700 you wrote:
> 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>
>
> [...]
Here is the summary with links:
- [net] udp: Use WARN_ON_ONCE() in udp_read_skb()
https://git.kernel.org/netdev/net/c/db39dfdc1c3b
You are awesome, thank you!
--
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-09-21 0:59 [PATCH net] udp: Use WARN_ON_ONCE() in udp_read_skb() Peilin Ye
2022-09-22 14:10 ` patchwork-bot+netdevbpf
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