From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.15.3]) (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 1039714AA9; Tue, 30 Apr 2024 07:33:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714462427; cv=none; b=NxMJy6ve49iirmDnnZFsbEY588yuJarvk4AbuCKVFlL6g+iGLdmJnDQ+Zj8ymqiveno6mkeMyyjxAMG2LkHmX9C7gYObBx5GgCNf3W1uUfQuEp9ELBRrw2rtHCWHWCWRulPvCXiRepokNs+tIEydN4XJ0NHn/YGBd8ODdxu/vEE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714462427; c=relaxed/simple; bh=7dyCd+XT/wrQkCsgsqTU/+v+pFnIA0EzpEmxVk6QQ7Y=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=Fjl+Y1hPqlp2FmEFY2yLLBLaZ33eVKAe5VRYCwGyuJctRVb63BpuuM8oPWe/DIHv+9sBYzJFIDchAaSCg831sSmxF+f8OUevCmAFCD5t5Ek4L0fOaySWMzU/lEwXH76Dz5tN3cDVZGzRueoeCfDloerNgqZ+gLji0k+3Zv7vzrg= 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=W8siq2RI; arc=none smtp.client-ip=212.227.15.3 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="W8siq2RI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1714462412; x=1715067212; i=markus.elfring@web.de; bh=7dyCd+XT/wrQkCsgsqTU/+v+pFnIA0EzpEmxVk6QQ7Y=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject: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=W8siq2RIuAF9aG5uFEjllD1snUDaT/M9pQ8Ok9h+rku2TmMh6KVg3YF+Gpm5cE2C X8m2UDjP6GEVUSOOVcXas/i6arH+8SfxGzhqdByJbExVLm2Hog1nS6CLACd8XZjh/ dFXTy1rzwvC0q7ef7YNomfofgXEPUSAq0V29na13JPrEWtuTBXpu6GZrN6In7O01f hHrnHcr/C1X6pFJb6AfllU0xhL3L6hWYBufcStG9+K+DjaYRLOJjUSWzDTFtUkiV+ nz3iM3YnlyptKA7O3mWEudwLpFoBzPtbxhqcA7AbpmbaWimoE/4wjkh4WhU1mGUmf kwMJPTsOmeBujuhHtQ== 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 1MPrLL-1sFmbX1LT1-00McyD; Tue, 30 Apr 2024 09:33:32 +0200 Message-ID: <8b274e8b-ca1b-47a6-90f9-eb2c9d4a538e@web.de> Date: Tue, 30 Apr 2024 09:33:14 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Sungwoo Kim , linux-bluetooth@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Dan Carpenter , "Dave (Jing) Tian" , Johan Hedberg , Luiz Augusto von Dentz , Marcel Holtmann References: <20240430063209.584244-1-iam@sung-woo.kim> Subject: Re: [PATCH v3] Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect() Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240430063209.584244-1-iam@sung-woo.kim> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:QvHTTJRCPvNgpxwGrd1n/gHVdpelP5AGgJB+Cx7Am88MdC5hGOo 2mwAeUwHGVS+XCPonspE35PEzsPaApe94hAcBynnJ7GCfp/vT0s7xsasBEI0AS5SelaID1s aDo70ATno5bAcOMhAHGHe4BRViDwq5d5vKfb14rWiBb1X6gL73xbjim2FvCVpHEe69TPrGJ lIKBSzzCAMsWETn80R8Eg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:SDzHgZwpg38=;uxcivH2DTMrR2XSBCJLrLol/OUT lHdQ/sOmsEO7kKMCaOu6SbuLXpdTX4aNSpvMOSswlXqIML8PRrdsmLgJr/XmLvVfQAEU3GTUi W0ersz6ZMJNGqH5A4olwFWo+SHcTjgjFA1NKwxxCRq/z1KqZivm3J7vD+tsyWFOolhV0T0BZ4 DxYtm2pyoijArs3Y3WMZ+tgI2ER178eaPd2Yl9W3J8aMvVjnXG+z2on1J+dVoBXefvNGVMWzb Xd291QhjI5+UCMzJG4ZwrDxh+ygxDai3WiI3iKAh0lPQ0xQ9QNpd3eJtTP3GryjPnP9b266hy LJbz5tjpUomPjSkBB/2Qx/ilo4vFjWR6TWY9jtlguqdCC4q6lIgMzu3xlE8f0XEx/pzIIlgtT xFTln/MTv3urzrQlY8yS74EyTJxv0RxfIqaVwt/zg+N+Qsqq59ZJxyr7/25OtF2WmHdQ8Knj+ pClv2Z2dG4f8WDOXwh2Ss08f/FWwzPBXErxkHED05JcXYm2D+19uDiNbLhF5AhHSO+de3fusN OUDsB3G2wgQkfNEmRjLMKveAEMdDPuDQk+1kYLovVBRSQfgxekWLRaK+y+md2c6qysrqRAX18 wfwcSl4KMuRei5rlX4+7sPWmm0+p08nh5FDrdxhi9FkFXlc89pqlX/mHd4xC51dr+yc0jLQ2E p+TPndSp3cUWHCskGEBT2tbltHuMH11QvNNFBINBtS81frCnGpammjaNy3XUi3dLSyXmuHjmv bHu/OPs+VEUs2McE8Mh94qAU+UcEXyx8dfuUAkJHCRwIc1N2aZgxM1tArnaTgXivcMKUCilCY hN0ft07K9i5t/OUXZr1QpDPKbjsNfvtv+628aOa+YKgno= > Extend a critical section to prevent chan from early freeing. =E2=80=A6 Such a data processing improvement is nice. Will an other distribution of email addresses over recipient lists be more= helpful? Can you imagine that the usage of the message field =E2=80=9CTo=E2=80=9D w= ould occasionally be more appropriate for subsequent patch communication? Regards, Markus