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 8F469C433F5 for ; Fri, 1 Apr 2022 11:00:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345282AbiDALCF (ORCPT ); Fri, 1 Apr 2022 07:02:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345270AbiDALCD (ORCPT ); Fri, 1 Apr 2022 07:02:03 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80F6CE887B for ; Fri, 1 Apr 2022 04:00:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 44795B8247E for ; Fri, 1 Apr 2022 11:00:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id EC9E8C34110; Fri, 1 Apr 2022 11:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648810812; bh=iFbY05zd4ALOn0xJkV403Peo1O+vCd5qZMMAxijULY8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=fgC39MvByoYkyjKdj6oI5v+3mOMy0EzQfjdYcpqPfAwrNLMWdkWFxpdzkdNvxxiiW fE5GFs6VRvoRP6eK/BfqR3RJnE450aD45GMmHEQYVlAzfBf1yuRSR9YfXU010dd4Ml schr5kRHuzJJcDwNwdwZfu668Uw2rLyMn9+x6eIMqNlgFwqA4LA9oUABAhkn2K6oOO jM6PlThKleu1bWn+G6CIpMYtHKiZ4agn1dmF/9Z+vriPnZQ6BfTIqv5G+ucw/g3Ojy Rjda5XTMvMpPZLSAGSBC1gzHsW/pj8S+OoS5n0NcyBQmtgZ28xlt5bngRbLq+Z2l0q /j9eTi+MVVlQg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id D1C78E6BBCA; Fri, 1 Apr 2022 11:00:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] skbuff: fix coalescing for page_pool fragment recycling From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164881081185.13357.12292482117653460974.git-patchwork-notify@kernel.org> Date: Fri, 01 Apr 2022 11:00:11 +0000 References: <20220331102440.1673-1-jean-philippe@linaro.org> In-Reply-To: <20220331102440.1673-1-jean-philippe@linaro.org> To: Jean-Philippe Brucker Cc: ilias.apalodimas@linaro.org, alexanderduyck@fb.com, linyunsheng@huawei.com, hawk@kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by David S. Miller : On Thu, 31 Mar 2022 11:24:41 +0100 you wrote: > Fix a use-after-free when using page_pool with page fragments. We > encountered this problem during normal RX in the hns3 driver: > > (1) Initially we have three descriptors in the RX queue. The first one > allocates PAGE1 through page_pool, and the other two allocate one > half of PAGE2 each. Page references look like this: > > [...] Here is the summary with links: - [net,v3] skbuff: fix coalescing for page_pool fragment recycling https://git.kernel.org/netdev/net/c/1effe8ca4e34 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html