On 11/2/16 11:21 AM, Eric Dumazet wrote:
> Thanks for your report.
> 
> David, please take a look.
> 
> TCP MD5 can call __inet_lookup_listener() with a NULL skb.

interesting. I did not test md5 before sending, but doing so now I am not able 
to trigger the panic with any combination of passwords - correct, wrong, none, 
no listener, etc. perhaps I am missing a sysctl setting.

Will send a fix. I see the call to __inet_lookup_listener with null skb.

> 
> Bug added in commit a04a480d4392ea6efd117be2de564117b2a009c0

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