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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56622C43458 for ; Wed, 1 Jul 2026 13:48:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=77oBzAV2L9TMXx/bROM6lzOXrpNGNQibPHkuk2PAc5A=; b=yFET35Js1FyGbsotGvLxAW1h4R buDlFLdjzoNJN/mY2AcIkljmd5PAgMEREo9YfWhBw3Dtmr704Ft85mDFNEp7YWS+JyMMhe5ZCtLch D5z4jOG3/dMURViYidFxXnVi8e1oy7fO0r0RTj+vL8zqxGgmEFsG0iznuEgWCpYjbK9npHp/SI+fK /lgZrberCyfr1Mv+hOxhq7hQW6PuNQF4V5ol7Mcpzm55irT2jZ9hKDWQSwGTBPLEUgpGkitV0o7rm DTNyM7087KkpTp2XVeDsgsuGFMcZnbAtZGZab6yuN4afUb3pQj3iEAllDrpS2YDueR4ko5n83GcKO ClQYFQWQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wevIj-00000002D6g-0mBO; Wed, 01 Jul 2026 13:48:29 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wevIi-00000002D6S-1Bxt; Wed, 01 Jul 2026 13:48:28 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 9E41343662; Wed, 1 Jul 2026 13:48:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA31F1F000E9; Wed, 1 Jul 2026 13:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1782913707; bh=77oBzAV2L9TMXx/bROM6lzOXrpNGNQibPHkuk2PAc5A=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=f/vNQLW8ImL4jHyjGc8nEK6bGmRZFup8Jt35n8uPPAo733kpsB+g//kU0VwI4IRJz H/aA6pzVHbubiCMYOiYOygF9QbBkcXvmsgwkdY8s/0KKUojafMTNChZAe6xb7g4mUi ARdTZH/zPBnd3w2LQYfHNaY9qPewv9ltfU6nkg50= Date: Wed, 1 Jul 2026 15:48:38 +0200 From: Greg KH To: Thorsten Leemhuis Cc: "stable@vger.kernel.org" , Sasha Levin , Felix Fietkau , Lorenzo Bianconi , Jiajia Liu , Ryder Lee , Shayne Chen , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Ming Yen Hsieh , Leon Yen , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Linux kernel regressions list Subject: Re: [PATCH v2] wifi: mt76: add wcid publish check in mt76_sta_add Message-ID: <2026070127-footnote-usher-160d@gregkh> References: <20260528033814.46418-1-liujiajia@kylinos.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Wed, Jul 01, 2026 at 08:16:07AM +0200, Thorsten Leemhuis wrote: > On 7/1/26 07:39, Jiajia Liu wrote: > > On Tue, Jun 30, 2026 at 01:29:51PM +0200, Thorsten Leemhuis wrote: > >> On 5/28/26 05:38, Jiajia Liu wrote: > >>> Since mt7925_mac_sta_add publishes wcid, add publish check in mt76_sta_add > >>> to avoid reinitializing the wcid->poll_list. > >>> > >>> Found dev->sta_poll_list corruption when using mt7925 and 7.1-rc4. > >> > >> Jiajia Liu, Felox: > > BTW: @Felix, sorry for the typo! > > >> given that the problem seems to be in 7.1, should we > >> ask the stable team to pick this regression fix up, as this change was > >> mainlined (as 20b126920a259d ("wifi: mt76: add wcid publish check in > >> mt76_sta_add") [v7.2-rc1]), but lacks both a Fixes and a Stable tag? > > > > Yes. It seems to be related to cbf5e61da660 ("wifi: mt76: initialize > > more wcid fields mt76_wcid_init") [v6.14-rc1]. But I didn't reproduce > > when I checked it out and tested. So Fixes was not added. > > In that case: > > @Stable team, you you please pick up 20b126920a259d ("wifi: mt76: add > wcid publish check in mt76_sta_add") [v7.2-rc1] for 7.1? It lacks a > fixes tag and the problem might be older, but I saw two reports about > this with 7.1-rc -- so it seems some recent change made that problem > more likely to occur, so it might be good to fix it at least in 7.1.y. Now queued up for 6.18.y and 7.1.y, thanks. greg k-h