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 B7BC1258EC1 for ; Fri, 22 Aug 2025 04:16:33 +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=1755836195; cv=none; b=mK6+6l8CrxVBCLK2ESgMw2vRwQAC67NnMRX4WmTg3iiAVj8hMHUaXZOTNeNgySpeh+/OMmd+4gtT8bkbH8+yXmtIUSWsQs+gv5aQGKMm/f3k44LW6V6YoJAncEZcLAavmt3/N7ZtOGQgOZEiDotUq2btwRHMLS7Ip91h0dDjttw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755836195; c=relaxed/simple; bh=tD4yUyDNqfKZ+v7WjGAeHzcqa624KDFXQaOHkamS+zU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=bItbpCI0/TMJtKhAxNuXvWnWccvkual6UDnRj9uBKmKoF/ORv9rptJn7cvlg+uIuM9YbG3Yv7oozhVzspBUIl2Cia3PRooQSsIEsaLUNs8drGeUHva3P/ZPiWq8TOKlGGgwJvvZ514UVvYyh8iRq8zzRO3kGyN5IvpckmvKRR/A= 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-3e6e61caf71so34821295ab.3 for ; Thu, 21 Aug 2025 21:16:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755836193; x=1756440993; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=IJq+m/9OQU7aTALsq12cLsaVurRSJhJooV7vRIntjzM=; b=UEEp8t0b9WNbzEbvcG3vvTliXUHxi9WiIs98bw82oDc6eMOOabnXybLLGq3RmCz1fP JljOpmAcqpEFyH+IbRTIzGzYeDTJHo3iEFYUNXQY7FDEpWSp4fPET0QPZOhHLgTW83uz Uf8+hLQGtLCXcKr3//69G65mgPkGit1ZIbFifbzpIMAeFnXOc5f0tADWMQjwAB4GdDrf 779TDkRuE3H2Ihl4zsR59QLuVEAxSc3E1R4utN/Z4lAoAh0NaN9PVyxsdUbHmthNWSPC BAsKRAETvD9D6RQl2DknFjQuWRz2nHJbISCfLCkkLfCbGed/TmYVC2f4n4TEGVTpev32 L+pA== X-Forwarded-Encrypted: i=1; AJvYcCWkr7CKWORCzw32eVAnIhSLjJEYeKG1MVKq1f0mw4FUL9qiLHZud8ZuzsFNgLgtJWqk+AjQ6A==@lists.linux.dev X-Gm-Message-State: AOJu0YzPOl1euNETZTBisVfAsPeMZFO8neP6Wi00gbTezplpL1tNhR9C oetIUv5SL90V+QH+NFLd0RWbFiofyV1/RWHY8B59DJhTcI+wckgLgBQlmVAa8gVTB4NxRsiAzLu FbKZ2k/TFId5oGfDCiYYqf9TI9Pi5tlzpc/O3XwVaQMAyTEJurB4iUoszLVk= X-Google-Smtp-Source: AGHT+IF/4MA78lHyKLFSoL6e7cd1q0IREUYQnZsnWJ5ac/BF+8MxFCiqpUrv0RTj/mghcef9c6QffwVc/Ujm6xulaBLj7P7KH6rj Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c24c:0:b0:3e2:c6e1:7713 with SMTP id e9e14a558f8ab-3e921c4db80mr31469945ab.18.1755836193082; Thu, 21 Aug 2025 21:16:33 -0700 (PDT) Date: Thu, 21 Aug 2025 21:16:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68a7ef21.050a0220.37038e.004e.GAE@google.com> Subject: [syzbot] [block?] [ntfs3?] general protection fault in blk_mq_issue_direct From: syzbot To: almaz.alexandrovich@paragon-software.com, axboe@kernel.dk, linux-block@vger.kernel.org, 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: be48bcf004f9 Merge tag 'for-6.17-rc2-tag' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15995ba2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e9f694461848a008 dashboard link: https://syzkaller.appspot.com/bug?extid=127bd32548258909963d compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1439c6f0580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c7f60d7b6589/disk-be48bcf0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3fe093258314/vmlinux-be48bcf0.xz kernel image: https://storage.googleapis.com/syzbot-assets/493b5928449f/bzImage-be48bcf0.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/dd51753d0efa/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+127bd32548258909963d@syzkaller.appspotmail.com overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. Oops: general protection fault, probably for non-canonical address 0xdffffc0020000008: 0000 [#1] SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000000100000040-0x0000000100000047] CPU: 0 UID: 0 PID: 6460 Comm: syz.3.167 Tainted: G W 6.17.0-rc2-syzkaller-00028-gbe48bcf004f9 #0 PREEMPT_{RT,(full)} CPU: 0 UID: 0 PID: 6460 Comm: syz.3.167 Tainted: G W 6.17.0-rc2-syzkaller-00028-gbe48bcf004f9 #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:rq_list_pop include/linux/blk-mq.h:267 [inline] RIP: 0010:blk_mq_issue_direct+0x7b/0x660 block/blk-mq.c:2792 Code: c1 e8 03 48 89 44 24 30 c7 44 24 04 00 00 00 00 4c 89 64 24 20 4c 89 6c 24 18 49 8d 5e 48 48 89 d8 48 c1 e8 03 48 89 44 24 28 <42> 80 3c 38 00 74 08 48 89 df e8 a6 58 82 fd 48 89 5c 24 10 48 8b RSP: 0018:ffffc9000559e1d8 EFLAGS: 00010203 RAX: 0000000020000008 RBX: 0000000100000047 RCX: ffff88802fa88000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888024920000 R08: ffff88802fa88000 R09: 0000000000000003 R10: 0000000000000100 R11: 000000000000000d R12: ffffc9000559e500 R13: 1ffff92000ab3ca0 R14: 00000000ffffffff R15: dffffc0000000000 FS: 00007fd977a9e6c0(0000) GS:ffff8881268c5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e1ca45000 CR3: 000000003189a000 CR4: 00000000003526f0 Call Trace: blk_mq_dispatch_queue_requests+0x6fe/0x800 block/blk-mq.c:2878 blk_mq_flush_plug_list+0x432/0x550 block/blk-mq.c:2961 __blk_flush_plug+0x3d3/0x4b0 block/blk-core.c:1220 blk_finish_plug block/blk-core.c:1247 [inline] __submit_bio+0x2d3/0x5a0 block/blk-core.c:649 __submit_bio_noacct_mq block/blk-core.c:722 [inline] submit_bio_noacct_nocheck+0x4f2/0xbb0 block/blk-core.c:751 submit_bh fs/buffer.c:2829 [inline] __sync_dirty_buffer+0x22e/0x370 fs/buffer.c:2867 ntfs_write_bh+0x58b/0x740 fs/ntfs3/fsntfs.c:1461 mi_write+0x84/0x1b0 fs/ntfs3/record.c:402 indx_update_dup+0x584/0x730 fs/ntfs3/index.c:2705 ni_update_parent+0x9e7/0xdd0 fs/ntfs3/frecord.c:3182 ni_write_inode+0x944/0xfb0 fs/ntfs3/frecord.c:3277 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x6f4/0x1000 fs/fs-writeback.c:1745 writeback_single_inode+0x1d5/0x640 fs/fs-writeback.c:1801 sync_inode_metadata+0xb9/0x110 fs/fs-writeback.c:2883 __generic_file_fsync+0x142/0x1b0 fs/libfs.c:1550 generic_file_fsync+0x6f/0xf0 fs/libfs.c:1580 ovl_sync_file+0x3a/0x50 fs/overlayfs/copy_up.c:254 ovl_copy_up_metadata+0x831/0xb60 fs/overlayfs/copy_up.c:725 ovl_copy_up_workdir fs/overlayfs/copy_up.c:821 [inline] ovl_do_copy_up fs/overlayfs/copy_up.c:1001 [inline] ovl_copy_up_one fs/overlayfs/copy_up.c:1202 [inline] ovl_copy_up_flags+0x160c/0x2fe0 fs/overlayfs/copy_up.c:1257 ovl_open+0x13e/0x2f0 fs/overlayfs/file.c:211 do_dentry_open+0x9ae/0x1350 fs/open.c:965 vfs_open+0x3b/0x350 fs/open.c:1095 do_open fs/namei.c:3887 [inline] path_openat+0x2ef1/0x3840 fs/namei.c:4046 do_filp_open+0x1fa/0x410 fs/namei.c:4073 do_sys_openat2+0x121/0x1c0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd97842ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd977a9e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd978655fa0 RCX: 00007fd97842ebe9 RDX: 00000000000c4042 RSI: 0000200000000300 RDI: ffffffffffffff9c RBP: 00007fd9784b1e19 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000001ff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd978656038 R14: 00007fd978655fa0 R15: 00007ffe14b13fa8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:rq_list_pop include/linux/blk-mq.h:267 [inline] RIP: 0010:blk_mq_issue_direct+0x7b/0x660 block/blk-mq.c:2792 Code: c1 e8 03 48 89 44 24 30 c7 44 24 04 00 00 00 00 4c 89 64 24 20 4c 89 6c 24 18 49 8d 5e 48 48 89 d8 48 c1 e8 03 48 89 44 24 28 <42> 80 3c 38 00 74 08 48 89 df e8 a6 58 82 fd 48 89 5c 24 10 48 8b RSP: 0018:ffffc9000559e1d8 EFLAGS: 00010203 RAX: 0000000020000008 RBX: 0000000100000047 RCX: ffff88802fa88000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888024920000 R08: ffff88802fa88000 R09: 0000000000000003 R10: 0000000000000100 R11: 000000000000000d R12: ffffc9000559e500 R13: 1ffff92000ab3ca0 R14: 00000000ffffffff R15: dffffc0000000000 FS: 00007fd977a9e6c0(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e1ca47000 CR3: 000000003189a000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: c1 e8 03 shr $0x3,%eax 3: 48 89 44 24 30 mov %rax,0x30(%rsp) 8: c7 44 24 04 00 00 00 movl $0x0,0x4(%rsp) f: 00 10: 4c 89 64 24 20 mov %r12,0x20(%rsp) 15: 4c 89 6c 24 18 mov %r13,0x18(%rsp) 1a: 49 8d 5e 48 lea 0x48(%r14),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 48 89 44 24 28 mov %rax,0x28(%rsp) * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 a6 58 82 fd call 0xfd8258df 39: 48 89 5c 24 10 mov %rbx,0x10(%rsp) 3e: 48 rex.W 3f: 8b .byte 0x8b --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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