Messages in this thread | | | Date | Tue, 27 Oct 2015 19:47:04 -0700 (PDT) | Subject | Re: [PATCH net] RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv | From | David Miller <> |
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From: Sowmini Varadhan <sowmini.varadhan@oracle.com> Date: Mon, 26 Oct 2015 12:46:37 -0400
> Either of pskb_pull() or pskb_trim() may fail under low memory conditions. > If rds_tcp_data_recv() ignores such failures, the application will > receive corrupted data because the skb has not been correctly > carved to the RDS datagram size. > > Avoid this by handling pskb_pull/pskb_trim failure in the same > manner as the skb_clone failure: bail out of rds_tcp_data_recv(), and > retry via the deferred call to rds_send_worker() that gets set up on > ENOMEM from rds_tcp_read_sock() > > Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Applied and queued up for -stable, thanks.
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