From: Alexei Starovoitov <[email protected]>
Date: Fri, 8 Sep 2017 15:59:23 -0700

> On Fri, Sep 08, 2017 at 12:44:47PM -0700, Eric Dumazet wrote:
>> From: Eric Dumazet <[email protected]>
>> 
>> While the cited commit fixed a possible deadlock, it added a leak
>> of the request socket, since reqsk_put() must be called if the BPF
>> filter decided the ACK packet must be dropped.
>> 
>> Fixes: d624d276d1dd ("tcp: fix possible deadlock in TCP stack vs BPF filter")
>> Signed-off-by: Eric Dumazet <[email protected]>
>> ---
>> David, this is a stable candidate (linux-4.13 has this bug)
> 
> Thanks for the fix
> Acked-by: Alexei Starovoitov <[email protected]>
> .. since the fix makes sense to me and as a reminder not to forget
> to backport it as well :)

Applied and queued up for -stable.

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