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Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb) has broken ping

From Soheil Hassas Yeganeh <soheil@google.com>
Newsgroups linux.kernel
Subject Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb) has broken ping
Date 2017-06-01 17:20 +0200
Message-ID <tNA3g-4do-15@gated-at.bofh.it> (permalink)
References <tNyXv-3yr-5@gated-at.bofh.it> <tNz7c-3D6-41@gated-at.bofh.it> <tNzqy-3Jw-5@gated-at.bofh.it> <tNzAe-3MT-23@gated-at.bofh.it> <tNA3f-4do-7@gated-at.bofh.it>
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On Thu, Jun 1, 2017 at 11:10 AM, Cyril Hrubis <chrubis@suse.cz> wrote:
>> Thank you for the confirmation. Could you please try the following
>> patch to see if it fixes your issue?
>
> Does not seem to help, I still got the same bussy loop.

Thank you for trying the patch. Unfortunately, I can't reproduce on my
machines here.Would you humor me with another one? Thank you!

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5a726161f4e4..49207298fcea 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3742,7 +3742,8 @@ EXPORT_SYMBOL(sock_queue_err_skb);
 static bool is_icmp_err_skb(const struct sk_buff *skb)
 {
        return skb && (SKB_EXT_ERR(skb)->ee.ee_origin == SO_EE_ORIGIN_ICMP ||
-                      SKB_EXT_ERR(skb)->ee.ee_origin == SO_EE_ORIGIN_ICMP6);
+                      SKB_EXT_ERR(skb)->ee.ee_origin == SO_EE_ORIGIN_ICMP6 ||
+                      SKB_EXT_ERR(skb)->ee.ee_origin == SO_EE_ORIGIN_LOCAL);
 }

 struct sk_buff *sock_dequeue_err_skb(struct sock *sk)

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Thread

commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb)  has broken ping Cyril Hrubis <chrubis@suse.cz> - 2017-06-01 16:10 +0200
  Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb)  has broken ping Soheil Hassas Yeganeh <soheil@google.com> - 2017-06-01 16:20 +0200
    Re: commit f5f99309 (sock: do not set sk_err in  sock_dequeue_err_skb) has broken ping Cyril Hrubis <chrubis@suse.cz> - 2017-06-01 16:40 +0200
      Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb)  has broken ping Soheil Hassas Yeganeh <soheil@google.com> - 2017-06-01 16:50 +0200
        Re: commit f5f99309 (sock: do not set sk_err in  sock_dequeue_err_skb) has broken ping Cyril Hrubis <chrubis@suse.cz> - 2017-06-01 17:20 +0200
          Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb)  has broken ping Soheil Hassas Yeganeh <soheil@google.com> - 2017-06-01 17:20 +0200
            Re: commit f5f99309 (sock: do not set sk_err in  sock_dequeue_err_skb) has broken ping Cyril Hrubis <chrubis@suse.cz> - 2017-06-01 17:40 +0200
              Re: commit f5f99309 (sock: do not set sk_err in sock_dequeue_err_skb)  has broken ping Soheil Hassas Yeganeh <soheil@google.com> - 2017-06-01 18:50 +0200
                Re: commit f5f99309 (sock: do not set sk_err in  sock_dequeue_err_skb) has broken ping Cyril Hrubis <chrubis@suse.cz> - 2017-06-01 22:10 +0200

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