From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: Re: [PATCH bpf] bpf: test_maps: cleanup sockmaps when test ends Date: Mon, 22 Jan 2018 21:18:47 -0800 Message-ID: <516d6a03-9b08-4782-6fa4-ccff7488563e@gmail.com> References: <20180123043044.2144-1-bhole_prashant_q7@lab.ntt.co.jp> <20180123043839.kg6ffx2q7iezuswy@ast-mbp> <902e1164-d4a3-6fae-1f29-8b7433a18710@lab.ntt.co.jp> <20180123050108.fcmh4phzcclxer2f@ast-mbp> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "David S . Miller" , Alexei Starovoitov , Daniel Borkmann , Shuah Khan , netdev@vger.kernel.org To: Alexei Starovoitov , Prashant Bhole Return-path: Received: from mail-pf0-f170.google.com ([209.85.192.170]:33878 "EHLO mail-pf0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750880AbeAWFTB (ORCPT ); Tue, 23 Jan 2018 00:19:01 -0500 Received: by mail-pf0-f170.google.com with SMTP id e76so8922185pfk.1 for ; Mon, 22 Jan 2018 21:19:01 -0800 (PST) In-Reply-To: <20180123050108.fcmh4phzcclxer2f@ast-mbp> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 01/22/2018 09:01 PM, Alexei Starovoitov wrote: > On Tue, Jan 23, 2018 at 01:55:30PM +0900, Prashant Bhole wrote: >> >> >> On 1/23/2018 1:38 PM, Alexei Starovoitov wrote: >>> On Tue, Jan 23, 2018 at 01:30:44PM +0900, Prashant Bhole wrote: >>>> Bug: BPF programs and maps related to sockmaps test exist in >>>> memory even after test_maps ends >>>> >>>> This patch fixes it by empyting sockmaps when test ends. >>>> >>>> Fixes: 6f6d33f3b3d0f ("bpf: selftests add sockmap tests") >>>> Signed-off-by: Prashant Bhole >>> >>> that's a fine workaround and I'm planning to apply this patch >>> to bpf-next, but it's not a fix. The sockmap should have cleaned >>> itself up. >> >> Ok. Do I need to re-submit it targeted to -bpf-next and without fixes tag? > > No need. It's fine. > Also I'm looking over sockmap code now for the bug, should have something shortly. Agree this is a nice cleanup of the test code though. On the other hand I should add some explicit tests for this case (deleting map with elements) as well though. .John