From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EDB0B7E for ; Thu, 2 Nov 2023 00:18:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JKkP9IYb" Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E34FDB; Wed, 1 Nov 2023 17:18:47 -0700 (PDT) Received: by mail-pf1-x42c.google.com with SMTP id d2e1a72fcca58-6bcdfcde944so94208b3a.1; Wed, 01 Nov 2023 17:18:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1698884327; x=1699489127; 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=s8957ZXAMokJVu3Z7wnJ8VE74hgqLOzUJ6al4SM64Ng=; b=JKkP9IYbru2m2sGLIKUPz/TIVekLUsqWanPUqh5f8Ht0fOUS1yxZyAd0MjiNirMb7u 0uCJD17ETntvRXi015vO+xfzMvM2BVk7k8PWSGEa7WhmumWfIeuC6SjzIu+Q7LfchdY4 Lkvn6e74KrAQlxEO0USCjRY+n74vi7Dm1ldUFhfd4bQQyJFYmDyqOXuwS+BY3COnU8zt PTUNSpwFpqK+V//oiEVBzwKt5z2XAd8VmUj9JO780C6vsHL9aqiIcSSEaQKZkW5TEDwO CAL4Cm4JrEgPN/Ewz6lCyC/cvT+Pid1A2fTD7bj3xngWC8l//k2dXlY/kIn8xGtudWgt VClg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698884327; x=1699489127; 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=s8957ZXAMokJVu3Z7wnJ8VE74hgqLOzUJ6al4SM64Ng=; b=gpBBclWMdjx6c/zXCSIxkYGExGABZuCV9xGDy25rayHQcdX4MktB39sd/jMfr+MDzt gcHu8kZJwBohIC6NCFriN+YRNi80a4uPBoxOA3P54sNdQdQBocJgiTlh7mvbSU4c07Y9 unk29A+3/EGD+bvSA6h+JDnAxCjqBZC7J99NEBuX4qUQPwI4dK8xmsxiwShc3cAU/3rJ RL/+X/67jzW0TQxzXR2e2ArCZdFdsA8ymn1Hm3Gr1xsfjZohtNh6wQTmKK+xXzNTSBAe nIOGzNq3ZcUQq1SJ6Uq1EcSG3PWLyr8UCR+0OtitpCECZzcBfTj4LNz/nGr/qKuPWpEh xxug== X-Gm-Message-State: AOJu0Ywd3jpry52lZdooUO2F45DvevLkE4401LzyKONRJq32wJ1Ndhfk 4tsUeKovcOVzVB5IlE6Hg5Q= X-Google-Smtp-Source: AGHT+IFflYaHUWBqCJRXS9+gKRfaZkgRQi57kLnq0Fw4deD2a8UANa0uI1zHkwc6lO2flirPhblOmA== X-Received: by 2002:a05:6a20:2d22:b0:163:c167:964a with SMTP id g34-20020a056a202d2200b00163c167964amr20592204pzl.1.1698884326940; Wed, 01 Nov 2023 17:18:46 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:640:8000:54:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id l13-20020a056a00140d00b006c2fcb25c15sm1583592pfu.162.2023.11.01.17.18.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Nov 2023 17:18:46 -0700 (PDT) Date: Wed, 1 Nov 2023 17:18:44 -0700 From: Richard Cochran To: Edward Adam Davis Cc: habetsm.xilinx@gmail.com, 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: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Oct 31, 2023 at 06:25:42PM +0800, Edward Adam Davis wrote: > There is no lock protection when writing ptp->tsevqs in ptp_open(), > ptp_release(), which can cause data corruption, NAK. You haven't identified any actual data corruption issue. If there is an issue, please state what it is. Thanks, Richard