Received: by 2002:ab2:3c46:0:b0:1f5:f2ab:c469 with SMTP id x6csp163502lqf; Fri, 26 Apr 2024 03:01:56 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCX7scPGXtvkyyDZo6G7QKbxKh3XNV2GGPsMnsU6YyfSnFqBvQjAthQZTLEYEwojXGoKIqTCKrVjGLCNgsQTxv6BO7LZ/iqVXvsP7qsedw== X-Google-Smtp-Source: AGHT+IFyEEAwSqcXSQ+rfUQ4DsKMAXPTrMMj/yijNn8gVx1laOwLJlhPo9DZP3MXzE3qVaQErLbb X-Received: by 2002:a05:6870:218c:b0:238:ffae:4562 with SMTP id l12-20020a056870218c00b00238ffae4562mr2066264oae.18.1714125715881; Fri, 26 Apr 2024 03:01:55 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1714125715; cv=pass; d=google.com; s=arc-20160816; b=SnNVb1bIrUa7HzvgNIFDeCFfZVumIA8joLyHMVf97HUxIi0XrVQ9+cSoupoFvyzbv9 DLPX0EjT3OxuJdfrzG3lslY8R4mpkwnjt1Y0cZvfvveWtSugV+5Iyig0PhXYedlH110G ilN27g9gBf0SvHUg0+W2aHKDaqWcbCIHhmiGM48rOA61oQBE6Xpjg/3z3y6oO/EroOLC H2O/drEYfbO/5RYCinsGeIXq1/YgxPoSjf2AmmjNXQysfgb0TlWNFctTmHhnUHahtwyx UyC6bjq6YYjA8ZfZcbjgpUc2z0tKNImO7xyXfZNUlNfGHg2qCJmiZpJtVvhVRlZmP7gg DiZQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=ui-outboundreport:content-transfer-encoding:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=IkxQuklyV6oYuexLU2ovnPEuT39tlloBO1TIHfNZ42Q=; fh=KxrNvVX1UQ31L2YmUyn61BA7qcoN+QYgPV0Dt8H9HaA=; b=NDPwhOBMMDa9sCyz0x/w3I1/Wfr2u0dw+irHrGDXDctogNutrJM2VHZDrEh9bU4w5/ uhfhqRyvi/HIde/e8al8TvmhPV2867O7Pi2uvCKDQLZ0F/oe9fqbrTLWZsshR1THoC9h KWO0GeiPYLzf7+vG48qwjPgUvzg5/HMSghWff7tftSyc1KNuVW9sHNNb1HbvTCQ2BBKI FKAufXdkrJYh1KAmH1VPTz/7TsiJu1ia6aoC47F25NPXmAYx1FrkZp9kHC0k8/IkJg/5 M+mOgNeoILF0AQWSS9AB7ahywSUM7YoBPtZ11Ad0TAE6CqPMKUGod9jeAo4/njQXx5mw j4CA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=Co7f2fmq; arc=pass (i=1 spf=pass spfdomain=web.de dkim=pass dkdomain=web.de dmarc=pass fromdomain=web.de); spf=pass (google.com: domain of linux-bluetooth+bounces-4103-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-bluetooth+bounces-4103-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id x22-20020a63b216000000b005f7bedc5280si13204900pge.328.2024.04.26.03.01.55 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Apr 2024 03:01:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-bluetooth+bounces-4103-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=Co7f2fmq; arc=pass (i=1 spf=pass spfdomain=web.de dkim=pass dkdomain=web.de dmarc=pass fromdomain=web.de); spf=pass (google.com: domain of linux-bluetooth+bounces-4103-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-bluetooth+bounces-4103-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 785D5284133 for ; Fri, 26 Apr 2024 10:01:53 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D50DB142635; Fri, 26 Apr 2024 10:01:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="Co7f2fmq" X-Original-To: linux-bluetooth@vger.kernel.org Received: from mout.web.de (mout.web.de [212.227.15.4]) (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 A18FF13C9A7; Fri, 26 Apr 2024 10:01:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714125704; cv=none; b=Fj7ceY4yDS6t9M3SyXPwiGN7K6AZqlrFlnPFYW7qVWP69qHCxkyjcrt51+nz2c0aXhPqRNy3pBakysG+sGUW9IwMGTm9k6M50tMIyQzVoJbINt0zmIGMu6hqMbJO1IbPeg6iJPD89fOloEj3GEDocC0DIAF9x/gBpOfwgtp9J1U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714125704; c=relaxed/simple; bh=YpTE09Jdj7TFL3FQrJpjOfExP0eacSSODBHGOgrYr9U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LhSaiACaytnwt0U2mmxDRRIb1bQejrrM+HdNGz8HsWhkBKwQx7QF3O9KH/irN5ENg4xx7Zb1OVQic6XYXGVw3Tx8usaQR7lYrRRyznqnIMnDnRcv7Gmo2XoowDeJabvibKnvCUas2x+5ODOJQNXkUG/n9QXnsLQBB94x5LwCgBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=Co7f2fmq; arc=none smtp.client-ip=212.227.15.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1714125683; x=1714730483; i=markus.elfring@web.de; bh=IkxQuklyV6oYuexLU2ovnPEuT39tlloBO1TIHfNZ42Q=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=Co7f2fmqpY5WVoPJCLyEXwpjQqAK+/Y1RHnxD+nuWsvAUpOioKoAhw6PTBGaq384 tPi2ZuUeAWTxej4h21QvC521Q31N2ql6ONZK8lndwLw9WlaFS1uJYUXJ8kxfhP3vB BybDzi1joEE3kisLh0txIGDAm4J8KZZQkpL4rKOAnthCY5WY+B8Ll4jCqLNGr0+25 C7kMNathdZo9CKlwHiJHxKGDgLD6q1//SrW2HCVMxOSl0aYnkUYU0c/rYyA4lfZqA kNX+nViTBhhO5z4pdeHxaH8IoQcUtYVuFlhtinmvYTTtfApHc9hdegfNm/NMraXs2 AY04gtzyRPKdesmUMw== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb006 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MbCI8-1sXQHy42q8-00bZXW; Fri, 26 Apr 2024 12:01:23 +0200 Message-ID: <9d186852-9ac0-4cbf-b9df-54d433b3483c@web.de> Date: Fri, 26 Apr 2024 12:01:20 +0200 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_send_cmd To: Dan Carpenter , Sungwoo Kim , linux-bluetooth@vger.kernel.org, kernel-janitors@vger.kernel.org Cc: LKML , "Dave (Jing) Tian" , Johan Hedberg , Luiz Augusto von Dentz , Marcel Holtmann References: <20240426072006.358802-1-iam@sung-woo.kim> <964b0005-3a9d-499b-91d3-171a3c917b4a@web.de> Content-Language: en-GB From: Markus Elfring In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:zbR8CpACKr2MhVcZfbZ4Vyyw5ox2/rZDQ0i6PsfsA9gbTcmkhOF z8/OeK4ftOJUk+MH4bsnXb5JzuWRchlCKr4YlHhWg/VmRwksLBSMX+74We4Z+vi0kYv3YCb psd1D+lbfUg2WsUEoJgsWTGReobu5e69qfcNBRPymiM3Cot52JH44gsyGs1M0BReCX6YiSH 1iEsHhowgVyJDEzgRCOGA== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:bLtSnyTF/EU=;NiuCW/MPI7cO+pZqqCaXj7a4Xg0 KwzItyN/vlPSBWN7h3UFsmlLgPI7HdCb7APHi2krTY/bo23RJfVviHRdmruD2qAjxV150dKMf 7ROLDmBwblmhP6Ii8HAQ+JWlxUpc636RqUh5pq/ZR1qU64vts/9tadGVA31APyzk3nB+ykMmF W9zYuvq/bKxHSZPYbLHIp2PjhYxaKJUaoPupkGpxl4OfrpAuT8OMkwfxGCLyFk/M3ediwR8zg HuJ35+vMrOuIotZe4jX70Jdojis3RYFX97s3g6Kv83jb+F9zeIe2eMSXsNBVKIwrxhwEEenT7 Wx/3jZwJH9ksI60PSa+xge8a2V+SrL8FjEGjlrWvkv7RhdUcV+JrmFd+kG8xM8BwArY/vcHvg A7g4b/p8YZdnI9GPlnroxQwQ8jw7BNemiV2L+Xjxjb9HtnXkTGO5+RSVOBD0Su5lHWG6F6jhZ JFClQofKeEYvl8kQO5YowVeTcxkK/kAUDtBVNolcVSaluIuyyaAMSUehIeReyK5A2nvuUG+a5 +/DLgnZVSRApXk7maf4sIus/d6lRWz+a6/F8BPrslU/xsHdvJSg3GAOf6Y+jkSw+PFdnXeXjU a/JwYRRvuZaA/ORvyFcZSb/7Ok7wmaSS3sRfy6Djww7rjxvIjLalVH7WIw/xpvzHzh7RIfgol vdjxJXh9WlUzeLg0Db4q7va1quNkXBr2Nw8syKF6EV3axcwVtQUrBd1Pp2ZRBlA8G7eJwCf22 ftU+K/LjXTCCw5oTvrhAlZTYLbiLtPNmdw0VDogEKV0FWeqP6EHQ0a1a+SyLHCBGSu2zFvWIj XrOKxXAOL5rS5IgGoerhCxM8xxDgTAJLRzqwNVActaGhQ= > 1) It doesn't matter at all if there is anyone in the To: header. I suggest to reconsider this view according to proper selection of message= recipients. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.9-rc5#n231 > 2) You are allowed to ask questions. Yes, of course. But we are looking more for =E2=80=9Canswers=E2=80=9D in consistent and im= proved change descriptions, aren't we? The placement of related wordings can be adjusted another bit. > 3) Yes, the commit message will need to be changed but first fix the bug > and then we can worry about the commit message. Will such a suggestion trigger further clarifications for the desired patc= hing process? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.9-rc5#n77 I hope that recurring communication difficulties will result in helpful id= eas. Regards, Markus