Messages in this thread | | | Date | Wed, 30 Dec 2015 14:30:35 -0800 | Subject | Re: [PATCH] net: Fix potential NULL pointer dereference in __skb_try_recv_datagram | From | Cong Wang <> |
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On Wed, Dec 30, 2015 at 6:30 AM, Jacob Siverskog <jacob@teenage.engineering> wrote: > On Wed, Dec 30, 2015 at 2:26 PM, Eric Dumazet <edumazet@google.com> wrote: >> How often can you trigger this bug ? > > Ok. I don't have a good repro to trigger it unfortunately, I've seen it just a > few times when bringing up/down network interfaces. Does the trace > give any clue? >
A little bit. You need to help people to narrow down the problem because there are too many places using skb->next and skb->prev.
Since you mentioned it seems related to network interface flip, what network interfaces are you using? What's is your TC setup?
Thanks.
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