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 1D7B3C00140 for ; Sun, 21 Aug 2022 07:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230019AbiHUHBs (ORCPT ); Sun, 21 Aug 2022 03:01:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229866AbiHUHAX (ORCPT ); Sun, 21 Aug 2022 03:00:23 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9DED2A97D; Sun, 21 Aug 2022 00:00:20 -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 EE0A1B80BAB; Sun, 21 Aug 2022 07:00:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0EADCC433D6; Sun, 21 Aug 2022 07:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661065217; bh=U3R0PXOVeBNi/aGM4YLPCESs8wspJ1yGJqt1ZsKx6+c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=x7Tf+AMVCgIQZwayiOfU/Y1dszhZX8/KbmuJcz/pS1ymQMDBPzGnQSi3kEHmunUhb 9crcz/ibXy39LqfgyrmoBMQ47F9XCVOGed0JyVtgzzLxH6mS2yrRHi+q9ClqBKgjcH nz7755oseR7rTVc5iHnf51Hk3OcP10cEOgAQTzDY= Date: Sat, 20 Aug 2022 20:16:07 +0200 From: Greg Kroah-Hartman To: Sudip Mukherjee Cc: linux-kernel , Stable , Linus Torvalds , Andrew Morton , Guenter Roeck , Shuah Khan , patches@kernelci.org, lkft-triage@lists.linaro.org, Pavel Machek , Jonathan Hunter , Florian Fainelli , slade@sladewatkins.com Subject: Re: [PATCH 5.18 0/6] 5.18.19-rc1 review Message-ID: References: <20220819153710.430046927@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 20, 2022 at 11:32:36AM +0100, Sudip Mukherjee wrote: > On Sat, Aug 20, 2022 at 11:03 AM Sudip Mukherjee (Codethink) > wrote: > > > > Hi Greg, > > > > On Fri, Aug 19, 2022 at 05:40:12PM +0200, Greg Kroah-Hartman wrote: > > > ------------------- > > > NOTE, this is the LAST 5.18.y stable release. This tree will be > > > end-of-life after this one. Please move to 5.19.y at this point in time > > > or let us know why that is not possible. > > > ------------------- > > > > > > This is the start of the stable review cycle for the 5.18.19 release. > > > There are 6 patches in this series, all will be posted as a response > > > to this one. If anyone has any issues with these being applied, please > > > let me know. > > > > > > Responses should be made by Sun, 21 Aug 2022 15:36:59 +0000. > > > Anything received after that time might be too late. > > > > > > > > > powerpc failure is not seen in mainline. Same error as csky and mips. > > > > In function 'memcmp', > > inlined from 'bacmp' at ./include/net/bluetooth/bluetooth.h:302:9, > > inlined from 'l2cap_global_chan_by_psm' at net/bluetooth/l2cap_core.c:2002:15: > > ./include/linux/fortify-string.h:44:33: error: '__builtin_memcmp' specified bound 6 exceeds source size 0 [-Werror=stringop-overread] > > 44 | #define __underlying_memcmp __builtin_memcmp > > | ^ > > ./include/linux/fortify-string.h:404:16: note: in expansion of macro '__underlying_memcmp' > > 404 | return __underlying_memcmp(p, q, size); > > | ^~~~~~~~~~~~~~~~~~~ > > In function 'memcmp', > > inlined from 'bacmp' at ./include/net/bluetooth/bluetooth.h:302:9, > > inlined from 'l2cap_global_chan_by_psm' at net/bluetooth/l2cap_core.c:2003:15: > > ./include/linux/fortify-string.h:44:33: error: '__builtin_memcmp' specified bound 6 exceeds source size 0 [-Werror=stringop-overread] > > 44 | #define __underlying_memcmp __builtin_memcmp > > | ^ > > ./include/linux/fortify-string.h:404:16: note: in expansion of macro '__underlying_memcmp' > > 404 | return __underlying_memcmp(p, q, size); > > | ^~~~~~~~~~~~~~~~~~~ > > > > I am bisecting now to find out what caused it. > > Introduced in v5.18.18 due to 11e008e59970 ("Bluetooth: L2CAP: Fix > l2cap_global_chan_by_psm regression"). > But v5.19.y and mainline does not show the build failure as they also > have 41b7a347bf14 ("powerpc: Book3S 64-bit outline-only KASAN > support"). Ick, that's a mess. This is going to be the last 5.18 tree, so I'm just going to leave this alone... thanks, greg k-h