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[2620:137:e000::3:8]) by mx.google.com with ESMTPS id ik14-20020a170902ab0e00b001c566ea86eesi2457535plb.177.2023.11.03.16.15.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Nov 2023 16:15:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=VBlEGJKz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id AFE6A8108368; Fri, 3 Nov 2023 16:15:43 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231455AbjKCXPa (ORCPT + 99 others); Fri, 3 Nov 2023 19:15:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230145AbjKCXP3 (ORCPT ); Fri, 3 Nov 2023 19:15:29 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 817DFD75; Fri, 3 Nov 2023 16:15:24 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id 98e67ed59e1d1-2802a827723so595400a91.0; Fri, 03 Nov 2023 16:15:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699053324; x=1699658124; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=eUbuLZZiiMqt8h7niCAP5iYDjZ6kaMpEpgDdEjnpTaA=; b=VBlEGJKzKs2T58Oqtw5ATxpwlkGQaaqRMA8UkxMzJRYIYTSA2Tj48iSxK0adWbVyfv lCuipHW0G8mx/0vx4+wr0dVzb7JFyGqwbmSU9Uud6rdcbTkelQ0YbhATRVnGj5c18PRN PEgHyncnBcAGqMwmBTuxs1lSdNnoaqxuqIYbDwAfkESluH5kKKUm5Rya2r4VhJrYmU67 BckPZqliEQ3JUg/Jvok/YjMWbgZ1Xg64GVJGCHg/4LWLF2sZEdmUn6Dtc4Vr75phedaw dpl4tRLzJZUcUmqXSsPli6MYdRBoFACRQAzVZanPFM/VsqOe8N1xiKe/ik4WiOFTAQCj XKWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699053324; x=1699658124; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=eUbuLZZiiMqt8h7niCAP5iYDjZ6kaMpEpgDdEjnpTaA=; b=QRsiQodLqkQZZ5e3F62RGNVtpl0KL/No7hynC5frM/erLvkov5jeEQRc0lniFIAR+m HW8Yi+WaD8JMKN6eO7zEt3wUWalCtg3QUd2bvnz7Gm87dSmScgUJ8jQ45sD6gKcnlAy3 kpYRBLNC3MiRJl+PV7dI+xBojhfupKK/jZl7ugqzQ5jFyXzZZ3jCLckLgg+NIMY5MEjv ylBTwob2cAhx7btTiHHqwJc8eEW3lBkfW0NJgKtzfv0NCPdhKGpXebkKNnlmfhOuOLK8 ucs1I3mqwh30DnC817tV391KA7sFZqMm12SmnLqSqWrI3NX07hhzT75ECs/AhIo6g9Gl HQww== X-Gm-Message-State: AOJu0YwJrwSxIRSlMbj1QYsAkXnbNG/0janJvI7ngcH8A1DuUl15MgCT +iFHXiLfD1PUMYn6uDcnqqw= X-Received: by 2002:a17:902:e2d4:b0:1c9:e121:ccc1 with SMTP id l20-20020a170902e2d400b001c9e121ccc1mr23406449plc.5.1699053323839; Fri, 03 Nov 2023 16:15:23 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:640:8000:54:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id 1-20020a170902c10100b001bde6fa0a39sm1858100pli.167.2023.11.03.16.15.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Nov 2023 16:15:23 -0700 (PDT) Date: Fri, 3 Nov 2023 16:15:21 -0700 From: Richard Cochran To: Edward Adam Davis Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, reibax@gmail.com, syzbot+df3f3ef31f60781fa911@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com Subject: Re: [PATCH net-next V2] ptp: fix corrupted list in ptp_open Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Fri, 03 Nov 2023 16:15:43 -0700 (PDT) On Thu, Nov 02, 2023 at 07:16:17PM +0800, Edward Adam Davis wrote: > The above two logs can clearly indicate that there is corruption when > executing the operation of writing ptp->tsevqs in ptp_open() and ptp_release(). So just remove the bogus call to ptp_release. Thanks, Richard