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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FA79C3B19F for ; Fri, 14 Feb 2020 16:39:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A07A217F4 for ; Fri, 14 Feb 2020 16:39:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581698365; bh=tHBEN8NOq8IOs/1lnhrej7frLsU8zuE1qIkHE7AZWEw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=0EkTCZQZc9uf90/rO+4OdnSvcQagBKA6KAvyYI4YM09/Nxul9XcWWweN5PF5Svxjo 5zPgZyk8XBycbpZFigTYhLJUfZ7lh5jgndkNXCq8O1KYJG9wRsWUPmYYj6dZ9by8PH 9uZthWhDaE6haZO5oEm1xDtEHrTP1xcICHVS0RAM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393915AbgBNQjQ (ORCPT ); Fri, 14 Feb 2020 11:39:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:59396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405572AbgBNQXQ (ORCPT ); Fri, 14 Feb 2020 11:23:16 -0500 Received: from kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com (unknown [163.114.132.128]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 358AB24770; Fri, 14 Feb 2020 16:23:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581697396; bh=tHBEN8NOq8IOs/1lnhrej7frLsU8zuE1qIkHE7AZWEw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=glsrI9FH9OojIbkuRHqUjCzu3nOZ8plBSN/xmVDkldPpMJn8CaoP6QWGM9wI8eFTN gqwwYXF/HKvPdRcMPQTethtM7bLAR/oCKzGCot4yuj+63JiYN0X/L8V2tW+TSYGWdZ /9NVYk04dqA9PWOJR2SskfXI5iWRyi2Cfc2gxTww= Date: Fri, 14 Feb 2020 08:23:14 -0800 From: Jakub Kicinski To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Taehee Yoo , netdev@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.5 524/542] netdevsim: use __GFP_NOWARN to avoid memalloc warning Message-ID: <20200214082314.0168201a@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com> In-Reply-To: <20200214154854.6746-524-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> <20200214154854.6746-524-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 14 Feb 2020 10:48:36 -0500 Sasha Levin wrote: > From: Taehee Yoo > > [ Upstream commit 83cf4213bafc4e3c747f0a25ad22cfbf55af7e84 ] > > vfnum buffer size and binary_len buffer size is received by user-space. > So, this buffer size could be too large. If so, kmalloc will internally > print a warning message. Curious to see, I'm pretty sure Greg queued this yesterday.