Received: by 2002:a05:6a10:c604:0:0:0:0 with SMTP id y4csp320238pxt; Thu, 5 Aug 2021 00:04:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwVg2t//GGPbKVBWWwOXIw4kBHMbbmDh3UzqZU+l2G0YJXnjLDNUtGWW5M6vK1UNbsaJ5XV X-Received: by 2002:a17:906:b855:: with SMTP id ga21mr3281410ejb.262.1628147049003; Thu, 05 Aug 2021 00:04:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628147048; cv=none; d=google.com; s=arc-20160816; b=cBSGWjjhR6hyXF8SlJzzY0ED+AyMyOeikNtnvgiUomX7UnSC4eYqdLqMD2k0YKBzrn T9fx4hHWxR0haBtY9GTi8X0SnszezTwSNmafT3eA7APlfM3Vbwvz/Cb97S5pTeR+Gow5 tW8OdvV6mmB4Uu5HDJF6hc+/ftDockz0HbGy705fGmZXVHKWoAtJOD+a8TqXxGJ0aNNB umWnwgwlX/zanubrXW5BmuWZH4YMwqSlYrrcFE+ITGMKvHts4Z3N4vA8AbubMCVyZIZV UJSW0E4bMlL/WxZH/wKDt2k/MRTcuUljkgwTzc7goFdPUP8pBf7yjvIEuGDUS1QmWp6O 7Mag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-language:content-transfer-encoding :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:dkim-signature; bh=V+CtldoAV0l9uukS4oxQtBcW3QEWDv5iyCXWiUU69/w=; b=a8o/CzD5JbxNFaua+6fF8oq9vYPGKC7lRM5yIPYFh29vN2pNLuvtoi127B2jbJRfxb 2kphIDfsJyp11fQQLewv1zFDloTCaOIC5RDMe77zkG2+oPsE3JTYlLpZxQ2ug83p9/un ft4Zie+JDQf9+Qw5dpqbPOdBlVdM0PCiJElFQFRDUGj5XJ6YztMjvFC65fhaiAQGh6/X WTxSGfIN05b+8lhuu1icgPC1WRAGJ8lSizkr58TLU/juIBeGfvGiDRQMGQ1srJAxJ17e bmy6JczLQU/huZasfY9JgNimmKGCVIkocBVDfSqXo0dqD4WY+dvGRdEE/3cy5g+7nf6Y aIqg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@gnuweeb.org header.s=default header.b=SsJoZurq; spf=pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-bluetooth-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 f26si4638983eds.504.2021.08.05.00.03.44; Thu, 05 Aug 2021 00:04:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@gnuweeb.org header.s=default header.b=SsJoZurq; spf=pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-bluetooth-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234674AbhHEG0M (ORCPT + 99 others); Thu, 5 Aug 2021 02:26:12 -0400 Received: from [103.31.38.59] ([103.31.38.59]:52970 "EHLO gnuweeb.org" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S235809AbhHEG0M (ORCPT ); Thu, 5 Aug 2021 02:26:12 -0400 Received: from [10.7.7.2] (unknown [68.183.184.174]) by gnuweeb.org (Postfix) with ESMTPSA id EE8E2C2AC0; Thu, 5 Aug 2021 06:25:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=gnuweeb.org; s=default; t=1628144756; bh=4RbEhLDQkueWhK1hwmARWHUAZjpzNfcg7cI/uu/Aek0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=SsJoZurqglLCtPovD1acJOZOdQTxzQCUWckiZmu6RRgrR01uERlWI8ofvoimlLfW9 cWMsDoCv4ONPaUw/0tO/WOixXUBXp7ya5wSaDs3svMtRmrHCLk5G5SEDQ8g4NMzbox BorRJROmJpc3nFd4AkovuT5nMJpBOD7ajgfpnhElzDTjpIW8CyOBbkdnzsLuibLeVM JSvZEGHHlGGP98bpqtzXveyxSMM0b4qyD+brmNy01lQar1rN7BI9ViNMFVUPJQ0s6y hNhGPSTMM7JQnFoxln3799BKHXTMiEDPUqVOIgZ6fJvQb0WulqaFXNUJJsre+SEYJu RLguw3hEZpUTA== Subject: Re: WARNING: possible circular locking dependency detected(hci_sock_dev_event+0x17d/0x1f0) To: Hillf Danton Cc: Lin Ma , Marcel Holtmann , Ammar Faizi , Linux Bluetooth , LKML References: <20210805020048.2509-1-hdanton@sina.com> From: Ammar Faizi Message-ID: Date: Thu, 5 Aug 2021 13:25:52 +0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210805020048.2509-1-hdanton@sina.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org On 8/5/21 9:00 AM, Hillf Danton wrote: > As to that UAF, feel free to let us know once you have a reproducer for it, > then fix to it can be prepared. > > Hillf Alright, I will try my best to at least understand the UAF issue first. Hi Lin, could you help me about the UAF? BTW Hillf, why can't I find our conversation on lore kernel. It seems we've messed up the thread. I don't have any idea why this conversation can't be found on there. -- Ammar