Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3877021ybz; Mon, 20 Apr 2020 11:05:11 -0700 (PDT) X-Google-Smtp-Source: APiQypK0LWx9XUy+jehUFRzUV41nqwzLFqYUVPpsIFLnWcuBWTp6/ui/pz5/7GQ5E66SzPj3iRkH X-Received: by 2002:a17:906:3481:: with SMTP id g1mr16842238ejb.305.1587405910835; Mon, 20 Apr 2020 11:05:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587405910; cv=none; d=google.com; s=arc-20160816; b=IScmzLKQ/bNwNU/AoeqvfW92792+bB+tGd3bzP8v/TeATHZQqbgWTxKGxrOk8Gd+o1 P+XT44y69dsZF5C0S55g29gcsBxTJn1Xv5dgPgorqTgIG/Au3TLRQM4BL+emm5EBgVAT Ao5qvTBWSnzG8UsdvNj8dMX91ydg+Uhqcbo1ho92guk3hGBvd8kT7VqqnNdqFFmKjNei ZMiDIIvjf9byZtj0TG3kETxSswe/mF78B257HtcES73Xzao9Yv6iUpIEc4AYa4fx1IFn KPW/OwSCJHynVHkBhqsOVgMUMf7FGPUjBJGwZPZ+6Py7tX7NAwmOpx+4ENCu989Sz3jQ Hlaw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=mVYTvGrsGdeT/UwQtaUiD9ETBpD3Yc5IkDHZTbXt+uc=; b=rcANlQIJDyi7aJRnY5xC+OR7tJ2UDC0NBUizy89b92yv2oFOG2oRJlmaJcrzIjkHlU jVbncdOVRpyJTq4ni/nC7EoicE4arjOnlpuQSl7WZFeNx+6k3ROjI0ulP/SJfDu3ELtZ ZeNq1DY0OZcWCBCfb86652aptZmmcuIXjbx7BlJu35mQ3Nl44/c3ukGDTmhVo6u+H4r7 xJQns6i4mAU/0bdCI4qxBlb77DIYjWONElsu1ny8vFMMoNKdAcJnNkwdVdxKXp/TqGuS yLMzdGNpPjzxoJJv6lBpDMWQy7gp2mcOLqz1zb8cM+m6xaG2wbo1sKXjzjkirZqsjj/K ukYg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dp4si1166100ejc.399.2020.04.20.11.04.45; Mon, 20 Apr 2020 11:05:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727800AbgDTSAH (ORCPT + 99 others); Mon, 20 Apr 2020 14:00:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726748AbgDTSAH (ORCPT ); Mon, 20 Apr 2020 14:00:07 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C099C061A0C; Mon, 20 Apr 2020 11:00:07 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 13619127D1E53; Mon, 20 Apr 2020 11:00:03 -0700 (PDT) Date: Mon, 20 Apr 2020 11:00:00 -0700 (PDT) Message-Id: <20200420.110000.944435201264166335.davem@davemloft.net> To: xiangxia.m.yue@gmail.com Cc: syzbot+7ef50afd3a211f879112@syzkaller.appspotmail.com, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org, syzkaller-bugs@googlegroups.com, yihung.wei@gmail.com Subject: Re: [PATCH] net: openvswitch: ovs_ct_exit to be done under ovs_lock From: David Miller In-Reply-To: <1587063451-54027-1-git-send-email-xiangxia.m.yue@gmail.com> References: <000000000000e642a905a0cbee6e@google.com> <1587063451-54027-1-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 20 Apr 2020 11:00:03 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: xiangxia.m.yue@gmail.com Date: Fri, 17 Apr 2020 02:57:31 +0800 > From: Tonghao Zhang > > syzbot wrote: ... > To avoid that warning, invoke the ovs_ct_exit under ovs_lock and add > lockdep_ovsl_is_held as optional lockdep expression. > > Link: https://lore.kernel.org/lkml/000000000000e642a905a0cbee6e@google.com > Fixes: 11efd5cb04a1 ("openvswitch: Support conntrack zone limit") > Cc: Pravin B Shelar > Cc: Yi-Hung Wei > Reported-by: syzbot+7ef50afd3a211f879112@syzkaller.appspotmail.com > Signed-off-by: Tonghao Zhang Applied and queued up for -stable, thanks.