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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 4E404C433DF for ; Fri, 9 Oct 2020 02:40:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17F0722251 for ; Fri, 9 Oct 2020 02:40:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727409AbgJICkH (ORCPT ); Thu, 8 Oct 2020 22:40:07 -0400 Received: from mail-il1-f207.google.com ([209.85.166.207]:45866 "EHLO mail-il1-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbgJICkG (ORCPT ); Thu, 8 Oct 2020 22:40:06 -0400 Received: by mail-il1-f207.google.com with SMTP id 18so5684595ilj.12 for ; Thu, 08 Oct 2020 19:40:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=/vPsdNPBvKtbX2yFfD1uwNT/06XdsG2XB3HXtY9anCU=; b=EEv04CkteD6UvukD+aQtobeBPDd7xODR0nvH9azx10wHFWSJu3wOatI0NInNkePq5K erBfoaF9m8DPghJaZNupjiTqeIG55qFVeHyaOdkZlD5cOJiMzzoX83ScHuS2xMmqbJ/f c8sWiIn9Wffz3Pp0ZvFtyOcKZ+x3BTr7SG/D501S9tzXqY7wgGEtwdhoblIETlNtp5CI nCoPEA+8aRYs3x4Ckm252oJywYrP9uvreFAnb8tQcumdxMbL7xENC9SKe+OIWaZHMzXG PSLQRZMvGKpOUErhifPPErcuoFfoLej1qquLA+RSgogwjYs09lGnk2K5i1R9t2dphLXs OcaA== X-Gm-Message-State: AOAM531WdQmjgOtoOYOrDDh+ymYh8zXr5IzDYWGHL9TdmZYHruR2uhqT T8yu2JUVtF0GH5shA7jZfJje2Dm5xPFYSurXsPUZXiuN44ER X-Google-Smtp-Source: ABdhPJwtkYMALivaBfrUViip7NgYrqa7K9OXqz214KzVWdtu39kWhABMAytxVEbDrR/IiTJNPDuHyM2I0Jvcf+BF+qyKKnXvhScE MIME-Version: 1.0 X-Received: by 2002:a92:9a8d:: with SMTP id c13mr9258613ill.233.1602211204976; Thu, 08 Oct 2020 19:40:04 -0700 (PDT) Date: Thu, 08 Oct 2020 19:40:04 -0700 In-Reply-To: <00000000000085be6f05b12a1366@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bb48fb05b133ddf5@google.com> Subject: Re: general protection fault in utf8_casefold From: syzbot To: Su.Chung@amd.com, alexander.deucher@amd.com, chao@kernel.org, drosen@google.com, ebiggers@kernel.org, jaegeuk@kernel.org, jun.lei@amd.com, krisman@collabora.com, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, su.chung@amd.com, sunpeng.li@amd.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, yuchao0@huawei.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this issue to: commit 91db9311945f01901ddb9813ce11364de214a156 Author: Su Sung Chung Date: Mon Jul 8 15:31:39 2019 +0000 drm/amd/display: refactor gpio to allocate hw_container in constructor bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1012ee8b900000 start commit: c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1212ee8b900000 console output: https://syzkaller.appspot.com/x/log.txt?x=1412ee8b900000 kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7 dashboard link: https://syzkaller.appspot.com/bug?extid=05139c4039d0679e19ff syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12316e00500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e80420500000 Reported-by: syzbot+05139c4039d0679e19ff@syzkaller.appspotmail.com Fixes: 91db9311945f ("drm/amd/display: refactor gpio to allocate hw_container in constructor") For information about bisection process see: https://goo.gl/tpsmEJ#bisection