Received: by 2002:a05:7412:ba23:b0:fa:4c10:6cad with SMTP id jp35csp1151287rdb; Fri, 19 Jan 2024 09:37:47 -0800 (PST) X-Google-Smtp-Source: AGHT+IHkZzKxTbdhGyjR0RKqp3IH5SLTLysQV8S/plOzkruv49ypXYKxHFWXhi2RHUKCAKvRiVKE X-Received: by 2002:a05:6402:1344:b0:55a:4ad0:7ab8 with SMTP id y4-20020a056402134400b0055a4ad07ab8mr47566edw.37.1705685867132; Fri, 19 Jan 2024 09:37:47 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1705685867; cv=pass; d=google.com; s=arc-20160816; b=kFRwOcns0Z0N4PWV2WT4U/k1OmiafQyz1FG7Jo3PYMPyX+IZuyjVPj8kB8n/Ckhk9Y T7YTQPIn2HKiKGEg3peXfJf3OoVHma95cJFAsrqs87zv6+qZshRDyqimy0F/VTMlnmYe EVI4KQts+rWfyDsZChhWBFMowhtW2srDVTtimAiTeGdBCFtJIw3b14G4J1hUfmVDfdPx iGqcKWyNY2QSJcXXS1Q/1fhSvV1nq0JU/9QRZyNpU/4CJUDDf9uoS+msabRNf9u99f5R +kVDTB8CTUlOF/4Of/1mePqAsdeCDoh7cuEJ2yKl6Zdf9exMo0ZwXmVtmNEvhTrJJM3N Ugzw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date:dkim-signature; bh=T7tAFdEcqbuZdGMmYYdZCfxqKm3ZPSINk39pDgE/fPQ=; fh=5mrBnGfdSMAyz6JV3pDcP9xEifi8VVlPNAzMgvzrf0w=; b=L4cQuAF4D7k9HoizlCsxG5J7PxU0kBSf+NK079H4+CaG4PruPnvsL1wt73QlbYqVBA WcPhoy88hhfk3LwBUNPPJGm42QlT64Q2LyrJPa+6VtTWUAiJ5unEbESscB/BozlPsfYz YrWVODKc4u5fVPoXZCnc1aCabaxdFu2mpwiPL+VkN/eM64qAF8bsY4j+MALNVPAOwj6/ p+9myefWaPRSM1L6//OJ3sg+NwjP7YAdgFnymdHWKvOH9dwu61dkj2+QEznTZzxrUgpp PpKu4Oj0s1KTHwPC9wiW68PiwO0B5WT8Yi6wd0D6Ao7grlORspwpysEhwp5ZXqXBFt/Q jK2g== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@google.com header.s=20230601 header.b=hglvHBT1; arc=pass (i=1 spf=pass spfdomain=google.com dkim=pass dkdomain=google.com dmarc=pass fromdomain=google.com); spf=pass (google.com: domain of linux-kernel+bounces-31431-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-31431-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id k1-20020a05640212c100b00559bb837a0dsi630595edx.539.2024.01.19.09.37.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 09:37:47 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-31431-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20230601 header.b=hglvHBT1; arc=pass (i=1 spf=pass spfdomain=google.com dkim=pass dkdomain=google.com dmarc=pass fromdomain=google.com); spf=pass (google.com: domain of linux-kernel+bounces-31431-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-31431-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com 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 am.mirrors.kernel.org (Postfix) with ESMTPS id DF2201F25432 for ; Fri, 19 Jan 2024 17:37:46 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3FA5E55E7E; Fri, 19 Jan 2024 17:37:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="hglvHBT1" Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 416F455E70 for ; Fri, 19 Jan 2024 17:37:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705685848; cv=none; b=S3q37nte3TIMShXLupCjnAmRw4h5Kz4O15yRTWbWifHj3SfD/Z+10QwUqWMhj6DN0sMIEwYJn09hf6e42OEnlzt/jx+ccOiLaAlbJsNx9DSniz+DX6K3b58X7Fy0A7C7IpSknritw+XR3nsMNufnXLaZNHOyG8ky5FPU+Fq3I7s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705685848; c=relaxed/simple; bh=IBhAo+p4QBZS3eSqDGhhgoM0tENX26Pe9NJRy76DXQ4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SZXRA2wYEnRDaf+wIjZQnFDnFqvXZbJZbR87q6PuE6Lgk/260vBzY5q9QMQBo90skabUZu07HrzGvGb+3dHn3WM7rPuFTm7WTop786AvdV80YxY2LnPUerehU6yx0OhKbW8ioUq66MUAb/HjXt3+lIM0Q8NCES1hRlra1mEROO4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=hglvHBT1; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-6dac225bf42so761015b3a.0 for ; Fri, 19 Jan 2024 09:37:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1705685846; x=1706290646; 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=T7tAFdEcqbuZdGMmYYdZCfxqKm3ZPSINk39pDgE/fPQ=; b=hglvHBT1FlbDe0ELg8C3Lg9V0DxXId6gDwS1PNLXNKw0UcY7p7jOPIW8bbVExibKaN vrQvB492eDKHT05Z+ARcPO183AQVArUhtoU0/AjdJK8UTmM5RKdVx+m8ft0Y1TxX3Gi7 b0o9O22TR253NHV6ooWi4nwJwh6vzK/VDEhTqWgGS4PDKk/fpSUB/zX2NkpvQvBsbAzB 3H1yQ7y8pgOMp7EbnuHfiitn4jFFD0+Rw5w7Nrg6VQikob9eGRCnBNjmYaMRpAq9HgZ9 j3OwwZN6K+93RJysyVlNJIOr0pPdAfoha+8RDFWIpSpF6rOZ6wPk06dwZS/+dpBlcR99 4oeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705685846; x=1706290646; 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=T7tAFdEcqbuZdGMmYYdZCfxqKm3ZPSINk39pDgE/fPQ=; b=cexHxsjrgJztQeatSLvfi+sfm0C7nVLdbA0YloAG9HPXDiEScZBBqpqg+wU6n5zU4R K7ffpvDLJ1G3mR/vfD4RBcEG91yJ61xspVfzsUz46DdZ1oFuj02I/fKwhGKGPrs703zB x82a0Szr2bDp8zdK44/IEvk/E7YdIuAvKLcFoUgwmc/R6qoXjqQSP77b4uaRPHhPRkPj mN4n72VnSzL+g7O1dLJXq/R+4rN8z5pUdHOOAt+HtiVGKUfPYh2C8+qV9BRDXDICJ3id VAGh3vjA1xj7ck12srgIbqPDrTUxlY1G8a7PD5Sz0KM69/W4dtm3OpuFSdkJODpwbe5F eFpA== X-Gm-Message-State: AOJu0YzMoQjyz8XngdtXMBcn9Drpl+2vBDVHFmTia0ou97DZuolcJKSx qeowtW9u6DUW1qu+uZBRFy6dV2XkXJdQ3WmzCW9bH1weq/wIHYA/qX9KE6+38g== X-Received: by 2002:a05:6a21:185:b0:19a:6830:2334 with SMTP id le5-20020a056a21018500b0019a68302334mr222044pzb.46.1705685846389; Fri, 19 Jan 2024 09:37:26 -0800 (PST) Received: from google.com (77.62.105.34.bc.googleusercontent.com. [34.105.62.77]) by smtp.gmail.com with ESMTPSA id x34-20020a056a000be200b006d9b4171b20sm5371824pfu.112.2024.01.19.09.37.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 09:37:25 -0800 (PST) Date: Fri, 19 Jan 2024 17:37:22 +0000 From: Carlos Llamas To: Greg Kroah-Hartman Cc: Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Suren Baghdasaryan , linux-kernel@vger.kernel.org, kernel-team@android.com, Alice Ryhl , stable@vger.kernel.org Subject: Re: [PATCH v2 03/28] binder: fix race between mmput() and do_exit() Message-ID: References: <20231201172212.1813387-1-cmllamas@google.com> <20231201172212.1813387-4-cmllamas@google.com> <2024011935-placidly-justifier-4338@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@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 Fri, Jan 19, 2024 at 05:06:13PM +0000, Carlos Llamas wrote: > > Oops, here is the complete info: > > Commit ID: 9a9ab0d963621d9d12199df9817e66982582d5a5 > Subject: "binder: fix race between mmput() and do_exit()" > Reason: Fixes a race condition in binder. > Versions: v4.19+ > > Note this will have a trivial conflict in v4.19 and v5.10 kernels as > commit d8ed45c5dcd4 is not there. Please let me know if I should send > those patches separately. > > Thanks, > -- > Carlos Llamas Sigh, I meant to type "conflict in v4.19 and v5.4". The patch applies cleanly in v5.10+.