From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 640C6CA9EC7 for ; Thu, 31 Oct 2019 01:17:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3655420862 for ; Thu, 31 Oct 2019 01:17:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="KrC/swMA"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="ot6FQNs3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726302AbfJaBRt (ORCPT ); Wed, 30 Oct 2019 21:17:49 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:36572 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725867AbfJaBRt (ORCPT ); Wed, 30 Oct 2019 21:17:49 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 23F9460863; Thu, 31 Oct 2019 01:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1572484668; bh=xvX9FQAQf1Jsj+fz5Pnr9yzEbLlr9wOf9WoZOs0N+cA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=KrC/swMA5PVeOVALC/ksHHKzjCUZBt3pmLovDoDBdVJZZd0I5vJPyIql6Xh/Lwet8 SOVXJpBo5Y/uQ9wU9j8HDpuNArIcF4530i6cILuQYZpYZkpCg1qhenqRCrbm7oCHx6 gGX6U3P8hxGuloA29l7m953sVTtjdYoDUNx5F3YQ= Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id AD748602F0; Thu, 31 Oct 2019 01:17:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1572484667; bh=xvX9FQAQf1Jsj+fz5Pnr9yzEbLlr9wOf9WoZOs0N+cA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ot6FQNs3+zm1w8OceUWe59dfB2CvUlbwqL9o9LMv4WJVuFUhjAHF0HVDtPi9UQm91 4VrQw6HwQPy6xCPX5XSywETdP6TXs0bYcpuTqYsltXoxstG+mEcCxX+k+hNBaJLMSq ILKQwbj50sefKR7PfwVfkjDvMVea7eC+5aDJlXxw= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 30 Oct 2019 19:17:47 -0600 From: Subash Abhinov Kasiviswanathan To: Eric Dumazet Cc: Neal Cardwell , Netdev , Yuchung Cheng Subject: Re: Crash when receiving FIN-ACK in TCP_FIN_WAIT1 state In-Reply-To: <8d24cb15-7c55-523f-b783-49f18913d03f@gmail.com> References: <68ad6fb82c0edfb788c7ce1a3bdc851b@codeaurora.org> <2279a8988c3f37771dda5593b350d014@codeaurora.org> <81ace6052228e12629f73724236ade63@codeaurora.org> <74827a046961422207515b1bb354101d@codeaurora.org> <8d24cb15-7c55-523f-b783-49f18913d03f@gmail.com> Message-ID: <5ee9ebbcb16af5292db11cfd8a9aec7a@codeaurora.org> X-Sender: subashab@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > What is this wqp_called exactly ? This was just a debug to ensure that tcp_write_queue_purge() was called. In case the same crash was seen with the patch, this bit would atleast tell whether this function was invoked or not. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project