From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93A271A3162 for ; Fri, 7 Feb 2025 07:28:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738913307; cv=none; b=nsY/9F9po05WqDNG4ox3eOPINudJ8nS2cgYfPdv1m1b5m6HX0xKhGDeEiL5Yjta/IF0CBiJy2U8qofuF9GwSNDLaL2ichFjsqbldEHnqkJbXi6ijTm2H7vN9D85bii1Q2D+DJCjTI+TePbTzxkoS6MacFCY+BNTWB+q3+6Ye1ZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738913307; c=relaxed/simple; bh=PuFYJXnwk4/BXSpalbP5VBzjOGVv/QoW3u+WP5yzF90=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Ka9Zc1i+7j+izoOcBz9XTDiOvlTWMx2ZezioS7fGjqGyug0cg6td+vWdrE38PhpcdZNlTjar+ufytXSKTUKcNUq9QrltlbyeRt9RnKeBVDoggNZ/U7jQoya/OCIJaH4jIozR5jytLF2ntZfkxbJ1nnT3UHTbUjhNnp6G++ZNk5Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f206.google.com with SMTP id e9e14a558f8ab-3d04b390e9cso12320525ab.3 for ; Thu, 06 Feb 2025 23:28:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738913304; x=1739518104; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Ksq+vmV4D99f2reoufSLwNhXWJqZYH64AqJSgNxiiM4=; b=QHaFIM/1A3XOgMRlBPyNsjB6IwZmwNKPnqd2rUDY17i2ap1I/QIjVDsZuD164mQJT0 ke47KD3J8bw/Nx3ZUNLMejtbdamhrmMqJam0TMx9lMxyG3vdk6mRTegs1DAQieZ0B4yY pYdWpXroNzQdWvtoMgMDtylNDy6pZVAR2CMRMy20D6DaGXqo++3QnLKBxj4Bem5JYDC9 y4Z1C+BoSXCyJN202V4IajkLs3IwG9M7bG5ZzleiE8VVOrQ7CJWu1tcmQhvQ/CtZECsf /7cg+5wHccx4KrcwOxlnqhZK6viXxFrJMTfWjAj7bKi0rgwyhjYBhbSuUATwPL2qW8Uc tiDA== X-Forwarded-Encrypted: i=1; AJvYcCUYIMjAPqxXZH/s/vq4oE3maQ8RNtQdGtMcddq1JVs89Qr/PW5X0Sqj2+olHcLqXf+0v0hPbXOMQ2NF0g==@vger.kernel.org X-Gm-Message-State: AOJu0YwkGSHh8RFlRnrqyKgtOF82CXyxqQaYXJ7sZctpXh3VpCLVvlTS OJzYnW+3Vw3rKQhAN1hA9lWs+yWSfLkSfwYrGs3qsqUBgK6Git7RPISh/SY30G4fODdIuGw8RR2 0WgGxMuu/WEkJtI+cC/+FtuGRZlmU3pnMWSJWSonQt7q19H+jfm7Pd/w= X-Google-Smtp-Source: AGHT+IFKuxQyRDqSTVSzxp/M3gY501azWw9ihUH26cCP0PiGyErXyzrZpYEuTk0lOO/9Gi51yQORwCbOd1y2RC4Gs2Vv/VJ7GHaA Precedence: bulk X-Mailing-List: linux-nilfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2163:b0:3d0:2331:f809 with SMTP id e9e14a558f8ab-3d13dcde9e4mr18978195ab.2.1738913304700; Thu, 06 Feb 2025 23:28:24 -0800 (PST) Date: Thu, 06 Feb 2025 23:28:24 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a5b618.050a0220.2b1e6.0018.GAE@google.com> Subject: [syzbot] [nilfs?] WARNING in nilfs_segctor_abort_construction (2) From: syzbot To: konishi.ryusuke@gmail.com, linux-kernel@vger.kernel.org, linux-nilfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=127db5f8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158 dashboard link: https://syzkaller.appspot.com/bug?extid=86e5da039cef3ad11c6e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0c358838d66a/disk-69e858e0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/29a6852a21ee/vmlinux-69e858e0.xz kernel image: https://storage.googleapis.com/syzbot-assets/fb214c6e7c43/bzImage-69e858e0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+86e5da039cef3ad11c6e@syzkaller.appspotmail.com segctord: attempt to access beyond end of device loop4: rw=0, sector=80, nr_sectors = 2 limit=0 NILFS (loop4): I/O error reading meta-data file (ino=5, block-offset=0) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6772 at fs/nilfs2/segment.c:1507 nilfs_cancel_segusage fs/nilfs2/segment.c:1507 [inline] WARNING: CPU: 1 PID: 6772 at fs/nilfs2/segment.c:1507 nilfs_segctor_abort_construction+0xe51/0xec0 fs/nilfs2/segment.c:1873 Modules linked in: CPU: 1 UID: 0 PID: 6772 Comm: segctord Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:nilfs_cancel_segusage fs/nilfs2/segment.c:1507 [inline] RIP: 0010:nilfs_segctor_abort_construction+0xe51/0xec0 fs/nilfs2/segment.c:1873 Code: 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 75 74 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d0 38 6d fd e8 80 64 1c fe 90 <0f> 0b 90 e9 ea f9 ff ff e8 72 64 1c fe 90 0f 0b 90 e9 93 fb ff ff RSP: 0018:ffffc90003adf5e0 EFLAGS: 00010293 RAX: ffffffff83a30840 RBX: 00000000fffffffb RCX: ffff888025700000 RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000 RBP: ffffc90003adf6d0 R08: ffffffff83a30226 R09: 1ffff1100457f180 R10: dffffc0000000000 R11: ffffed100457f181 R12: 000000000000002f R13: 0000000000000000 R14: ffff888057ef0008 R15: ffff888055c9a138 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f579116b440 CR3: 000000000e738000 CR4: 0000000000350ef0 Call Trace: nilfs_segctor_do_construct+0x6615/0x6ea0 fs/nilfs2/segment.c:2186 nilfs_segctor_construct+0x181/0x6b0 fs/nilfs2/segment.c:2478 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2586 [inline] nilfs_segctor_thread+0x69e/0xe80 fs/nilfs2/segment.c:2700 kthread+0x7ab/0x920 kernel/kthread.c:464 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup