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 87B6BC04A94 for ; Sat, 5 Aug 2023 00:09:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229742AbjHEAJc (ORCPT ); Fri, 4 Aug 2023 20:09:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbjHEAJ3 (ORCPT ); Fri, 4 Aug 2023 20:09:29 -0400 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD7FE4EDE for ; Fri, 4 Aug 2023 17:09:27 -0700 (PDT) Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-3a7292a2ad5so4628777b6e.0 for ; Fri, 04 Aug 2023 17:09:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691194167; x=1691798967; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FoY/PwFD0Rg65vVH6VJq/xffUWgs1OqWSy1dP4FgMIQ=; b=NlicRU3MZiciHOmoU97+8dBOvzzhWqnhYUwMh1A8ri/LJz4lc+C9ncXyq6JCxkW9K1 Ww4utt3Geo2snxB12YGDAOd/5jFTdXCI7yq8y4tZnwCLpcV0X4m9iLai5xWSYVmLCNVe RN4xEQii4vtYwB/8lKTOE/1BW/3ZveyA2/YbTsH0cpGaeInhqb6DSJvXauAKTqcJjue6 kdE6FB5H/KoGGGiJ7y8uyyuRA/l1mlfLMCJVAb7frGquqyJz51sf51uV+FGuuc6IcVEg KaEHEyAPrfy07N8QJYL7bDm/7aZA+PmKkooWdnQYjiJllbG7PasBjoCgHWq9MWshZ6vV M9Cg== X-Gm-Message-State: AOJu0YwmS5+xSEDnGF9zSMYQDFTe6TZ23eJv2YhGMMu/FYwpnvraU4Bt vPSwhK62ihybrDx35hgjkMDIM3NEBbQTmRKn9JAa2RkaNZ67 X-Google-Smtp-Source: AGHT+IHzZpeBgcO6v7s1Q4yu3YWAWP/RE2nVc5pSgc2PsDu2FLAxNAV7Vpa/NM77hMlzGvEouqMcspaw7MDkHJ5NQYnjtdSJZ8F2 MIME-Version: 1.0 X-Received: by 2002:a05:6808:1812:b0:39c:a74b:81d6 with SMTP id bh18-20020a056808181200b0039ca74b81d6mr4782033oib.7.1691194167195; Fri, 04 Aug 2023 17:09:27 -0700 (PDT) Date: Fri, 04 Aug 2023 17:09:27 -0700 In-Reply-To: <000000000000f1a26f05e9a72f57@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000094fcb0060221d31a@google.com> Subject: Re: [syzbot] [fs?] WARNING in brelse From: syzbot To: akpm@linux-foundation.org, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, liushixin2@huawei.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit f6e2c20ca7604e6a267c93a511d19dda72573be1 Author: Liu Shixin Date: Fri Apr 29 21:38:04 2022 +0000 fs: sysv: check sbi->s_firstdatazone in complete_read_super bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e8976da80000 start commit: 77856d911a8c Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17e8976da80000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e8976da80000 kernel config: https://syzkaller.appspot.com/x/.config?x=f967143badd2fa39 dashboard link: https://syzkaller.appspot.com/bug?extid=2a0fbd1cb355de983130 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11393ab3880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12a2a99d880000 Reported-by: syzbot+2a0fbd1cb355de983130@syzkaller.appspotmail.com Fixes: f6e2c20ca760 ("fs: sysv: check sbi->s_firstdatazone in complete_read_super") For information about bisection process see: https://goo.gl/tpsmEJ#bisection