Re: NULL pointer dereference in selinux_ip_postroute_compat

[Eric Dumazet]

On Thu, 2012-08-09 at 09:30 -0400, Paul Moore wrote:

> In the case of a TCP syn-recv and timewait ACK things are a little less clear.  
> Eric (Dumazet), it looks like we have a socket in tcp_v4_reqsk_send_ack() and 
> tcp_v4_timewait_ack(), any reason why we can't propagate the socket down to 
> ip_send_unicast_reply()?
> 

timewait 'sockets' are not full blown sockets.

We need a socket (well, a good part of it) to build the IP frame and
send it.



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