From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f80.google.com (mail-oo1-f80.google.com [209.85.161.80]) (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 3763F3E3DAE for ; Mon, 25 May 2026 09:02:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779699745; cv=none; b=noT/ky5oDezmy5/4SI5a4rHguh6nhnfnuGo4gt69GxIdrBtbvJO7yiuXi3CEaWoI/upLMjGqBmwO7KbXw8UUqFz/F+o6WRSFkufYZ1wtb31OBMLJlA9ZXVdDLdTNlg6dQnDGCRxBHcwKU4tE6YXDZCSRz4TPSTtxX/YVcocNvXM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779699745; c=relaxed/simple; bh=waJpbtuuy7G0ghHTkmCmLI/oKincT720zLLXnw2x8BQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=pPbhtaI/kDqkTw6UBO5ofrKsSxnkmxaQMGIx1B6Lr3xLETxU6hams8Gj9I6eN2BMnMBDU1J7HmXuPmHv/zWcyUq4/WWIEsID01WkOEUjStv64i30EbiJJz6xZ+UqifxxWUH+O4mRfeIyUytM8b6qaYChemOWIkTK46l0P7r6BBM= 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=209.85.161.80 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-oo1-f80.google.com with SMTP id 006d021491bc7-69d86a152d6so3285980eaf.1 for ; Mon, 25 May 2026 02:02:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779699743; x=1780304543; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=MRF27zDyCFPw6ZPNE+LysAfTntSGp6L1qvIgmzw+6yo=; b=ibeArYq1hbZDCqyNwDziGQz8ATy8APSCHDlhxmMCHe7KBHPQD/3nxSaEXWoXsUUM2e FInsR9FoErcgYAqCbQflgluFnRRvhXMy/iwV1LJPrvmi1z8lCc/nmkjjyddfJekya5RB jBhgfutVW6gIR9gdPD4CjQYRr0LV9vBL5eF9nBJ438XFVQE4g+ltp9dxaK+vu02OsSp3 KzgiPjU753gk6KJeQ4DT4MHY0NZfbHRYbOtoU1b/azWTWrlKm7e26bxKI3sPmuZWoljY 5PreOHgJQXLLaAKyTTrmAuc0dXyvcNi9WBhF47o3RxuN3rk5/vqGHjf1EUPyKEyWelyw mnAg== X-Forwarded-Encrypted: i=1; AFNElJ+Ntyg4LUizr/r96Ijszf44lYLMAW3ds6GGXca0p1n1EnKMXQeBLRS/W+RkVxnnMaBK8ABR+EbF/s5bMHI=@vger.kernel.org X-Gm-Message-State: AOJu0Yx8LsmzODXz063ZWHm/sAkKPZaXPJfD+Qs0A0fXMlAgwL6NhaqC PC6vsNS37rnJ7M/CHiiWYuB9dJwK2r98zP3MULnkng1uQd5/hrjsF/SYhhTaEoER01NN/xu/mJx yq5o9xdnqqOI/mgxqWhSHgxmFJfOLsODbBRxzix0zkN0Ugzc26IkGC8kLGMk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:a06:b0:69b:3fff:1407 with SMTP id 006d021491bc7-69d7ece5ae0mr7712470eaf.54.1779699743175; Mon, 25 May 2026 02:02:23 -0700 (PDT) Date: Mon, 25 May 2026 02:02:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a14101f.050a0220.2385e8.0011.GAE@google.com> Subject: [syzbot] [ntfs3?] WARNING in attr_data_get_block_locked (2) From: syzbot To: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 6a97c4d5262d Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1526c673980000 kernel config: https://syzkaller.appspot.com/x/.config?x=84d8d0173345cb21 dashboard link: https://syzkaller.appspot.com/bug?extid=7be6ad5cb228286af3e3 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-6a97c4d5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/adcb671bf9d3/vmlinux-6a97c4d5.xz kernel image: https://storage.googleapis.com/syzbot-assets/26cd02552fc3/bzImage-6a97c4d5.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7be6ad5cb228286af3e3@syzkaller.appspotmail.com ------------[ cut here ]------------ 1 WARNING: fs/ntfs3/attrib.c:1237 at attr_data_get_block_locked+0x194c/0x2590 fs/ntfs3/attrib.c:1237, CPU#0: syz.0.0/5337 Modules linked in: CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:attr_data_get_block_locked+0x194c/0x2590 fs/ntfs3/attrib.c:1237 Code: 44 89 f7 44 89 e6 e8 83 fc a1 fe 45 29 e6 0f 83 c1 00 00 00 e8 b5 fa a1 fe 41 bf ea ff ff ff e9 6b fa ff ff e8 a5 fa a1 fe 90 <0f> 0b 90 41 bf ea ff ff ff e9 57 fa ff ff 48 8b 84 24 c8 00 00 00 RSP: 0018:ffffc9000e4e79a0 EFLAGS: 00010293 RAX: ffffffff8323cacb RBX: 00000000ffffffff RCX: ffff888000fe8000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000ffffffff RBP: ffffc9000e4e7be8 R08: 0000000000000000 R09: 1ffff11006b3c840 R10: dffffc0000000000 R11: ffffed1006b3c841 R12: ffff8880479e4fd8 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f56995736c0(0000) GS:ffff88808c87b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003e796000 CR4: 0000000000352ef0 Call Trace: attr_data_get_block+0x250/0x310 fs/ntfs3/attrib.c:982 ntfs_fallocate+0xfac/0x1220 fs/ntfs3/file.c:674 vfs_fallocate+0x669/0x7e0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xc0/0x110 fs/open.c:365 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f569879ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5699572fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f5698a16090 RCX: 00007f569879ce59 RDX: 0000000000080000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f5698832d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5698a16128 R14: 00007f5698a16090 R15: 00007fff784160b8 --- 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