From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2DDBEB64D7 for ; Wed, 21 Jun 2023 18:42:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229692AbjFUSmu (ORCPT ); Wed, 21 Jun 2023 14:42:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231450AbjFUSmt (ORCPT ); Wed, 21 Jun 2023 14:42:49 -0400 Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7A0A1710 for ; Wed, 21 Jun 2023 11:42:47 -0700 (PDT) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 4B24A5C00D0; Wed, 21 Jun 2023 14:42:46 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 21 Jun 2023 14:42:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h=cc :cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1687372966; x=1687459366; bh=1D CFOYhVKR7Fof2fTPgYIPklmOHyFs02646E6JZ89gw=; b=zfmBs60z479h69qrb+ b3KI1AipEPv3y4M4TKZ5ae+V6G8KStTOBmYvgv01giy91eExK3/ed5NZ6dacSqo3 Oc3ikTpDwQOdMu4Gufp7LS6vIBNsF98zpYDtPQZMKM4PRFiI06EiqONPv6pqkrkN nG6V5Re9DajZLI929TI2kuYU+cxpIZk4MrhN+GmkDmhSDLSflChTwc7hu79ioaPb Ysrk6vX4vrQUYpY9TuI99qPfIcJelo7PIcJt0Kumcm+agYSaKAwtBqIkYtnbMQDh caISQChHRd+pJBCtNcSCMpFN9rmffpO7HieRC/Ca+JAALc+Ikv1c2jFo+N+MYCfD DdaQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; t=1687372966; x=1687459366; bh=1DCFOYhVKR7Fo f2fTPgYIPklmOHyFs02646E6JZ89gw=; b=NCFQp5PI4VwyvyIuqG7F8Rqvh7Zk6 dWtwox6cqfaF9zCmvOCtCBvcAHnEspMLrYGPw+AdWGvgW8HkN8uUyW7r7hBISKaP ob6h/v5VPt7QUX9/OJ81h8+DSSWJJFL1lkZQlpWq+WDUUzDAibmUJVKpXypiPm71 YX2dvakCfjsFsTNFEdGQx2KtDMdFjGga4J+Plw6m90wmokWAmKkhFlVe/FTC5/Gz mvM+zkJ/QUJ5dzCLwkJqLMB5jbEiRFhJDcHptQeHhWUXBQbXgIN0GCMY0kdEnuq/ pI6jFhIydKjyHDyR3IWDGy3/2x2RX1PCLqAIxGSRqsCjH/9jZBb9As0wg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrgeefledgfedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpeffhffvvefukfhfgggtuggjsehttd ertddttddvnecuhfhrohhmpefirhgvghcumffjuceoghhrvghgsehkrhhorghhrdgtohhm qeenucggtffrrghtthgvrhhnpeehgedvvedvleejuefgtdduudfhkeeltdeihfevjeekje euhfdtueefhffgheekteenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgr ihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Feedback-ID: i787e41f1:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 21 Jun 2023 14:42:45 -0400 (EDT) Date: Wed, 21 Jun 2023 20:42:42 +0200 From: Greg KH To: Javier Honduvilla Coto Cc: stable@vger.kernel.org, ast@kernel.org, "dev@der-flo.net" , hsinweih@uci.edu Subject: Re: [backport request] "mm: Fix copy_from_user_nofault()." d319f344561de23e810515d109c7278919bff7b0 Message-ID: <2023062135-wildly-dislike-7b0f@gregkh> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jun 19, 2023 at 05:27:46PM +0100, Javier Honduvilla Coto wrote: > Hi, > > This patch fixes a deadlock that can render a system frozen when > reading user memory from BPF. > Ideally, it should be applied to any supported revision equal to or > greater than 5.19. > > patch subject: mm: Fix copy_from_user_nofault(). > git revision: d319f344561de23e810515d109c7278919bff7b0 Now queued up, thanks. greg k-h