On 10/18/17 7:15 AM, David Miller wrote:
> From: David Ahern <dsah...@gmail.com>
> Date: Mon, 16 Oct 2017 15:32:07 -0700
>
>> Running perf in one window to capture tcp_retransmit_skb tracepoint:
>> $ perf record -e tcp:tcp_retransmit_skb -a
>>
>> And causing a retransmission on an active TCP session (e.g., dropping
>> packets in the receiver, changing MTU on the interface to 500 and back
>> to 1500) triggers a panic:
> ...
>> Check that daddr_cache is non-NULL before de-referencing.
>>
>> Fixes: e086101b150a ("tcp: add a tracepoint for tcp retransmission")
>> Signed-off-by: David Ahern <dsah...@gmail.com>
>
> Applied.
>
Hi Dave: There was a v3 to this one. I'll send a diff patch.
