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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 A8AFCC433DF for ; Fri, 26 Jun 2020 13:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 830582081A for ; Fri, 26 Jun 2020 13:40:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593178810; bh=H19nFT12aZPcp8/O8HppsOpjA5roTacTuL691DsfL98=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Fkf1NWHfOvaBB1Z41ZvjZ64ieDOTfW+ySh7zRmxA3sYH1qkYHb75sPlS0Tp2KRLRJ socZTjJzORM34rM8q/6qXVqm5xO12fD4lT5lWexHNtcEaweeLlssVCX5MbYHc9grlX ZUSTMIWe4q7gPUP8NhJ7W4cMa+j6p4hAj8LIoo0k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728538AbgFZNkG (ORCPT ); Fri, 26 Jun 2020 09:40:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:38932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726169AbgFZNkF (ORCPT ); Fri, 26 Jun 2020 09:40:05 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 A71D52081A; Fri, 26 Jun 2020 13:40:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593178805; bh=H19nFT12aZPcp8/O8HppsOpjA5roTacTuL691DsfL98=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mSzna5Af/u+ZAHHtyCff4l4vPMIRDlprpeGCIbKuv6zMJl+0vZjg0URJoJRwY7/Bl 9Cxpa4G55rNCpf4NTvh1MM0l6H0T6/S3iQNaytyEvW9Vm+Qd/IKo2Srale5+rXqUdb zvbajss+VVcNZBcrNY7tVavZh6UE7+KeXJ5ABpYo= Date: Fri, 26 Jun 2020 15:39:59 +0200 From: Greg Kroah-Hartman To: Gabriel C Cc: Jiri Slaby , LKML , Andrew Morton , Linus Torvalds , stable , lwn@lwn.net, angrypenguinpoland@gmail.com, Qiujun Huang , ath9k-devel , "linux-wireless@vger.kernel.org" Subject: Re: ath9k broken [was: Linux 5.7.3] Message-ID: <20200626133959.GA4024297@kroah.com> References: <1592410366125160@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Fri, Jun 26, 2020 at 01:48:59PM +0200, Gabriel C wrote: > Am Do., 25. Juni 2020 um 12:52 Uhr schrieb Gabriel C > : > > > > Am Do., 25. Juni 2020 um 12:48 Uhr schrieb Gabriel C > > : > > > > > > Am Do., 25. Juni 2020 um 06:57 Uhr schrieb Jiri Slaby : > > > > > > > > On 25. 06. 20, 0:05, Gabriel C wrote: > > > > > Am Mi., 17. Juni 2020 um 18:13 Uhr schrieb Greg Kroah-Hartman > > > > > : > > > > >> > > > > >> I'm announcing the release of the 5.7.3 kernel. > > > > >> > > > > > > > > > > Hello Greg, > > > > > > > > > >> Qiujun Huang (5): > > > > >> ath9k: Fix use-after-free Read in htc_connect_service > > > > >> ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx > > > > >> ath9k: Fix use-after-free Write in ath9k_htc_rx_msg > > > > >> ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb > > > > >> ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb > > > > >> > > > > > > > > > > We got a report on IRC about 5.7.3+ breaking a USB ath9k Wifi Dongle, > > > > > while working fine on <5.7.3. > > > > > > > > > > I don't have myself such HW, and the reported doesn't have any experience > > > > > in bisecting the kernel, so we build kernels, each with one of the > > > > > above commits reverted, > > > > > to find the bad commit. > > > > > > > > > > The winner is: > > > > > > > > > > commit 6602f080cb28745259e2fab1a4cf55eeb5894f93 > > > > > Author: Qiujun Huang > > > > > Date: Sat Apr 4 12:18:38 2020 +0800 > > > > > > > > > > ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb > > > > > > > > > > commit 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 upstream. > > > > > ... > > > > > > > > > > Reverting this one fixed his problem. > > > > > > > > Obvious question: is 5.8-rc1 (containing the commit) broken too? > > > > > > Yes, it does, just checked. > > > > > > git tag --contains 2bbcaaee1fcbd83272e29f31e2bb7e70d8c49e05 > > > v5.8-rc1 > > > v5.8-rc2 > > > > > > > Sorry, I read the wrong, I just woke up. > > > > We didn't test 5.8-rc{1,2} yet but we will today and let you know. > > > > We tested 5.8-rc2 and it is broken too. > > The exact HW name is: > > TP-link tl-wn722n (Atheros AR9271 chip) Great! Can you work with the developers to fix this in Linus's tree first? I bet they want to see the output of 'lsusb -v' for this device to see if the endpoint calculations are correct... thanks, greg k-h