From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 67B0120370C for ; Fri, 14 Feb 2025 06:55:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739516122; cv=none; b=p04GABzK3tUgJHQl8e4/bGuRZhXuotrQanCzdhz3aHkasDlUOyis/Jo04gXZdhOg3Apa0UjsBvZz/tMSCrqIwj7SMnyoAz5D4UmcFrnj/Mp/q19P/PGmJ9sTa1B2DFOlb5579K+GKPFLbdVcyU/TtsxUndhYGkr2dhUA7Lm4dU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739516122; c=relaxed/simple; bh=a73UfzxNIq/V2/0VlnPixRfE7CtnBAjp4UW9qxdoE5w=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=QQKKg5XM1ogRaQrd8qpe9caOpDAaHR6tpa9cyfHjFImWnk+Y1xyGsthSzeaGJuSSuQZdLvOOw9qeXHI8ZtgI45UYudGUpzDKbmIBGVg2ibSHdsm6J+tdv+wrhk9ryQC62xAkTUWiQWNPx0lvSaAHFVPg+/AKCd5k6nbbuRAIbdg= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3d18fbafa4dso8913575ab.1 for ; Thu, 13 Feb 2025 22:55:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739516119; x=1740120919; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=uvhSJKlXu2vdv5jVgpbCFsB6zIQDcJPgAt6yW1vxj1E=; b=OJDOTNye2jx86GJQE5fmuNRipBcJdtwYjVslIdS2rcZV8r0W8xz/7irxkGM823vjaL q6qlPQESb61WuUtgUvmMm/od14YQMH8wlCtPtRy9bcMtHWa1kJtwSFyDabUbKzZCxqLd I62yvi4oCdnA+Zs+67oNvjXjeGuiraZEFT/0n2zWnij9RYOcvctOqTF3KRh/E2MU0CNy 4ixITLSbp0w1bi5Uhei5ukzKtAkGqnWBvoTZX9Rc5+9heLEgMu4hSHded2YxMZv1fcbN ZQ740kg03F9DLSSplnuLsmkmEV/ZjAsv28dAhxGQLVJNRa3Cv0x24qb7uqMSATLM0DOJ 54Ew== X-Forwarded-Encrypted: i=1; AJvYcCU07G6yxogzsEB38GgxPrKhbpiSaNBPhYwff8TYihqnG282aJkrrgKjdpJCGFavljezByy/YA==@lists.linux.dev X-Gm-Message-State: AOJu0YxhlF4rXhX2DEIoFLHk/Y0UGrhslH/5nfZV+3W50r+hlwa9ThwH YCt4nw6oJOWQXkOGbt4W5UlpJLcOS0RpTpccOaAJCAhz3nTYedSZKf5/OH8FfXUUtchUaPkfP3t FhQRW/53DJfdEtEwMltAwcWuWyRshyD+IsRUZTK2R6682hE4+RhbjAVI= X-Google-Smtp-Source: AGHT+IGh3j1qyeR4o8P2RJa9XV053OJv8zmkAXSP2xAWhm1Z5foIkp1IIK3xIlB9NxRvTWnlCDzJ4j3Qebi/68HD+orFqlAB1icj Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:18c7:b0:3d0:4eaa:e480 with SMTP id e9e14a558f8ab-3d18c2151e9mr45166905ab.3.1739516119060; Thu, 13 Feb 2025 22:55:19 -0800 (PST) Date: Thu, 13 Feb 2025 22:55:19 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67aee8d7.050a0220.21dd3.0031.GAE@google.com> Subject: [syzbot] [ntfs3?] BUG: unable to handle kernel paging request in mi_init 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: ab68d7eb7b1a Merge tag 'loongarch-fixes-6.14-1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15c281b8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3c2347dd6174fbe2 dashboard link: https://syzkaller.appspot.com/bug?extid=8282d8328968be03242e 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 (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-ab68d7eb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c21c98f96a97/vmlinux-ab68d7eb.xz kernel image: https://storage.googleapis.com/syzbot-assets/d84966ad5d14/bzImage-ab68d7eb.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8282d8328968be03242e@syzkaller.appspotmail.com UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Different NTFS sector size (1024) and media sector size (512). BUG: unable to handle page fault for address: ffffed110a52075b #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 5ffcd067 P4D 5ffcd067 PUD 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:mi_init+0x86/0xe0 fs/ntfs3/record.c:105 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 5d 41 8b 3e be 40 0c 00 00 e8 18 91 00 ff 48 89 c5 48 83 c3 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 9b ed 0b ff 48 89 2b 31 c9 48 85 RSP: 0018:ffffc9000d2f7690 EFLAGS: 00010a06 RAX: 1ffff1100a52075c RBX: ffff888052903ae0 RCX: 0000000000000800 RDX: 0000000000000400 RSI: ffffffff8c608ca0 RDI: ffffffff8c608c60 RBP: ffff8880367f4000 R08: 0000000000000c40 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff285f729 R12: dffffc00ffffffff R13: ffff888035c16000 R14: ffff888035c16030 R15: 000000000000000a FS: 00007fec9fdc16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed110a52075b CR3: 00000000432c4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_read_mft fs/ntfs3/inode.c:54 [inline] ntfs_iget5+0x372/0x3800 fs/ntfs3/inode.c:540 ntfs_fill_super+0x3e8e/0x4730 fs/ntfs3/super.c:1477 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fec9ef8e58a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fec9fdc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fec9fdc0ef0 RCX: 00007fec9ef8e58a RDX: 000040000001f800 RSI: 000040000001f840 RDI: 00007fec9fdc0eb0 RBP: 000040000001f800 R08: 00007fec9fdc0ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000040000001f840 R13: 00007fec9fdc0eb0 R14: 000000000001f813 R15: 0000400000000040 Modules linked in: CR2: ffffed110a52075b ---[ end trace 0000000000000000 ]--- RIP: 0010:mi_init+0x86/0xe0 fs/ntfs3/record.c:105 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 5d 41 8b 3e be 40 0c 00 00 e8 18 91 00 ff 48 89 c5 48 83 c3 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 9b ed 0b ff 48 89 2b 31 c9 48 85 RSP: 0018:ffffc9000d2f7690 EFLAGS: 00010a06 RAX: 1ffff1100a52075c RBX: ffff888052903ae0 RCX: 0000000000000800 RDX: 0000000000000400 RSI: ffffffff8c608ca0 RDI: ffffffff8c608c60 RBP: ffff8880367f4000 R08: 0000000000000c40 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff285f729 R12: dffffc00ffffffff R13: ffff888035c16000 R14: ffff888035c16030 R15: 000000000000000a FS: 00007fec9fdc16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed110a52075b CR3: 00000000432c4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax b: 84 c0 test %al,%al d: 75 5d jne 0x6c f: 41 8b 3e mov (%r14),%edi 12: be 40 0c 00 00 mov $0xc40,%esi 17: e8 18 91 00 ff call 0xff009134 1c: 48 89 c5 mov %rax,%rbp 1f: 48 83 c3 20 add $0x20,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 9b ed 0b ff call 0xff0bedd4 39: 48 89 2b mov %rbp,(%rbx) 3c: 31 c9 xor %ecx,%ecx 3e: 48 rex.W 3f: 85 .byte 0x85 --- 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