[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.127' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   28.234082] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker.
[   28.243082] ------------[ cut here ]------------
[   28.247842] kernel BUG at fs/ntfs/aops.c:207!
[   28.252617] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   28.257968] Modules linked in:
[   28.261136] CPU: 1 PID: 7946 Comm: syz-executor199 Not tainted 4.14.281-syzkaller #0
[   28.268987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.278314] task: ffff8880b39f0380 task.stack: ffff88809cdd8000
[   28.284350] RIP: 0010:ntfs_readpage+0x14c7/0x1a70
[   28.289166] RSP: 0018:ffff88809cddf778 EFLAGS: 00010297
[   28.294514] RAX: ffff8880b39f0380 RBX: dffffc0000000000 RCX: 0000000000000000
[   28.301758] RDX: 0000000000000000 RSI: ffffea0002303440 RDI: ffff88808e282790
[   28.309088] RBP: ffff88808e282788 R08: 0000000000000000 R09: ffff88808e282c18
[   28.316334] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   28.323577] R13: ffff88808e282740 R14: ffff88808e282a08 R15: ffffea0002303440
[   28.330820] FS:  0000555556947300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   28.339017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.344872] CR2: 00007ffc51865ff8 CR3: 000000009a9dc000 CR4: 00000000003406e0
[   28.352120] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.359362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.366611] Call Trace:
[   28.369180]  ? __add_to_page_cache_locked+0x2ea/0x840
[   28.374346]  ? check_preemption_disabled+0x35/0x240
[   28.379356]  ? __lru_cache_add+0x178/0x250
[   28.383569]  ? ntfs_end_buffer_async_read+0x1040/0x1040
[   28.388905]  ? add_to_page_cache_lru+0x136/0x2b0
[   28.393650]  ? add_to_page_cache_locked+0x40/0x40
[   28.398464]  ? alloc_pages_current+0x15d/0x260
[   28.403018]  do_read_cache_page+0x38e/0xc10
[   28.407314]  ? ntfs_end_buffer_async_read+0x1040/0x1040
[   28.412651]  ? ntfs_attr_lookup+0xeca/0x1f30
[   28.417032]  map_mft_record+0x1ca/0xbe0
[   28.420982]  ntfs_read_locked_inode+0x1bf/0x51b0
[   28.425713]  ? ntfs_mapping_pairs_decompress+0x755/0xf60
[   28.431229]  ? kmem_cache_alloc+0x2f8/0x3c0
[   28.435523]  ntfs_read_inode_mount+0xafb/0x2060
[   28.440165]  ntfs_fill_super+0x9a6/0x7170
[   28.444292]  ? vsnprintf+0x260/0x1340
[   28.448065]  ? pointer+0x9e0/0x9e0
[   28.451580]  ? lock_downgrade+0x740/0x740
[   28.455704]  ? ntfs_big_inode_init_once+0x20/0x20
[   28.460521]  ? snprintf+0xa5/0xd0
[   28.463944]  ? vsprintf+0x30/0x30
[   28.467371]  ? ns_test_super+0x50/0x50
[   28.471230]  ? set_blocksize+0x125/0x380
[   28.475266]  mount_bdev+0x2b3/0x360
[   28.478865]  ? ntfs_big_inode_init_once+0x20/0x20
[   28.483695]  mount_fs+0x92/0x2a0
[   28.487038]  vfs_kern_mount.part.0+0x5b/0x470
[   28.491507]  do_mount+0xe65/0x2a30
[   28.495022]  ? retint_kernel+0x2d/0x2d
[   28.498884]  ? copy_mount_string+0x40/0x40
[   28.503096]  ? memset+0x20/0x40
[   28.506347]  ? copy_mount_options+0x1fa/0x2f0
[   28.510816]  ? copy_mnt_ns+0xa30/0xa30
[   28.514677]  SyS_mount+0xa8/0x120
[   28.518106]  ? copy_mnt_ns+0xa30/0xa30
[   28.521970]  do_syscall_64+0x1d5/0x640
[   28.525833]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   28.530995] RIP: 0033:0x7f7cde80e49a
[   28.534691] RSP: 002b:00007ffe5a1633d8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
[   28.542393] RAX: ffffffffffffffda RBX: 00007ffe5a163430 RCX: 00007f7cde80e49a
[   28.549641] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe5a1633f0
[   28.556883] RBP: 00007ffe5a1633f0 R08: 00007ffe5a163430 R09: 0000000000000000
[   28.564126] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000368
[   28.571369] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000f
[   28.578639] Code: 89 04 00 00 49 83 be 88 fd ff ff 00 0f 85 3e f5 ff ff e8 1d 5f 45 ff 49 8b 86 80 fd ff ff a8 08 0f 85 2a f5 ff ff e8 09 5f 45 ff <0f> 0b e8 02 5f 45 ff 48 8b 84 24 88 00 00 00 48 8d b8 c0 fd ff 
[   28.597704] RIP: ntfs_readpage+0x14c7/0x1a70 RSP: ffff88809cddf778
[   28.604702] ---[ end trace 458d9030a7c1bed3 ]---
[   28.609474] Kernel panic - not syncing: Fatal exception
[   28.614890] Kernel Offset: disabled
[   28.618499] Rebooting in 86400 seconds..