Messages in this thread | | | Subject | Re: sk->socket is invalid in tcp stack | From | Andi Kleen <> | Date | 12 Jun 2002 01:38:51 +0200 |
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"Philippe Veillette (LMC)" <Philippe.Veillette@ericsson.ca> writes:
> I've found what could be a problem in the tcp stack with linux-2.4.17 & > 2.4.18. When i run lmbench-2.0-patch2 and that i add the following line of > code in tcp_v4_rcv, it<s get added between the if (!ipsec_sk_policy(sk,skb)) > ... and if (sk->state == TCP_TIME_WAIT) > > if (sk->socket) { > if (sk->socket->inode) { > printk("Boum\n"); > } > } > > I get a crash, i can give the dump later but for now, I am just wondering if > the sk->socket could be invalid when we are receiving a tcp packet. Since
It likely did receive to a time-wait socket. time-wait buckets are "inherited" by hand from struct sock and live in similar hash tables, but only some fields at the beginning are valid. Yes, it's rather ugly, but ...
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