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=-4.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 AC619C3A59B for ; Sat, 31 Aug 2019 00:14:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7628623431 for ; Sat, 31 Aug 2019 00:14:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567210478; bh=hxoitIuO4UpBEpicxxZwUpy8sls8PNk60bdTqCI4tek=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=mEn3rTUhq6urdQ3yOoWwdcwQXfeSj3QjkiwcLi7I3r1Hv6GA7Q+Qe6AGBYGvw02fy CXtgpvS/TvozHaY7qcD32YmoUlbbtt+D5Gwq7Td7tvVMoAOvyYJd3Zs1pYodN9FDsa N0C8iAEXc/zrfArO/vkjeufcWgTyB/YYIvB9zMok= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728399AbfHaAOh (ORCPT ); Fri, 30 Aug 2019 20:14:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:39342 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728258AbfHaAOh (ORCPT ); Fri, 30 Aug 2019 20:14:37 -0400 Received: from zzz.localdomain (h184-61-154-48.mdsnwi.dsl.dynamic.tds.net [184.61.154.48]) (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 31BF62342E; Sat, 31 Aug 2019 00:14:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567210476; bh=hxoitIuO4UpBEpicxxZwUpy8sls8PNk60bdTqCI4tek=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wolHikVMMu9X6x2nph4qEI/9Am2PWvHhagsL9AsVf+zKGXFCPLamaHZ4xy0/gYmWE XFPu5MKbkRUQtX8O/VotmCoYk2Kx1+mHNO615UfcSWuN7S826Y426JoBsf/ay0n0u4 ZmDux61LXz8b3HNpx0MnjFUgxD9ikDuoUHu7n2ho= Date: Fri, 30 Aug 2019 19:14:32 -0500 From: Eric Biggers To: Nick Desaulniers Cc: Dmitry Vyukov , Andreas Dilger , clang-built-linux , linux-ext4@vger.kernel.org, LKML , syzkaller-bugs , Theodore Ts'o , syzbot Subject: Re: WARNING: ODEBUG bug in ext4_fill_super Message-ID: <20190831001432.GB22191@zzz.localdomain> Mail-Followup-To: Nick Desaulniers , Dmitry Vyukov , Andreas Dilger , clang-built-linux , linux-ext4@vger.kernel.org, LKML , syzkaller-bugs , Theodore Ts'o , syzbot References: <0000000000006fc70605915ac6ad@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 30, 2019 at 12:46:21PM -0700, 'Dmitry Vyukov' via syzkaller-bugs wrote: > On Fri, Aug 30, 2019 at 12:42 PM 'Nick Desaulniers' via syzkaller-bugs > wrote: > > > > Dmitry, > > Any idea how clang-built-linux got CC'ed on this? Is syzcaller > > running clang builds, yet? (this looks like a GCC build) > > syzbot always uses get_maintainers: > > $ ./scripts/get_maintainer.pl -f fs/ext4/super.c > "Theodore Ts'o" (maintainer:EXT4 FILE SYSTEM) > Andreas Dilger (maintainer:EXT4 FILE SYSTEM) > linux-ext4@vger.kernel.org (open list:EXT4 FILE SYSTEM) > linux-kernel@vger.kernel.org (open list) > clang-built-linux@googlegroups.com (open list:CLANG/LLVM BUILD SUPPORT) > CLANG/LLVM BUILD SUPPORT L: clang-built-linux@googlegroups.com W: https://clangbuiltlinux.github.io/ B: https://github.com/ClangBuiltLinux/linux/issues C: irc://chat.freenode.net/clangbuiltlinux S: Supported K: \b(?i:clang|llvm)\b So, clang-built-linux has volunteered to maintain every file that contains the word "clang" or "llvm" anywhere in its contents :-) $ grep clang fs/ext4/super.c (void) ei; /* shut up clang warning if !CONFIG_LOCKDEP */ - Eric