INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.030074] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. [ 30.038749] ------------[ cut here ]------------ [ 30.043493] kernel BUG at fs/ntfs/aops.c:207! [ 30.048006] invalid opcode: 0000 [#1] SMP KASAN [ 30.052659] Dumping ftrace buffer: [ 30.056172] (ftrace buffer empty) [ 30.059859] Modules linked in: [ 30.063032] CPU: 0 PID: 4507 Comm: syzkaller117743 Not tainted 4.17.0-rc1+ #8 [ 30.070323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.079666] RIP: 0010:ntfs_readpage+0x1d0e/0x2290 [ 30.084482] RSP: 0018:ffff8801d9096f48 EFLAGS: 00010293 [ 30.089821] RAX: ffff8801ac5a6440 RBX: 0000000000000000 RCX: ffffffff82573fa0 [ 30.097067] RDX: 0000000000000000 RSI: ffffffff82573fae RDI: 0000000000000007 [ 30.104312] RBP: ffff8801d90971a8 R08: ffff8801ac5a6440 R09: fffff94000e43853 [ 30.111556] R10: fffff94000e43853 R11: ffffea000721c29f R12: ffffea000721c290 [ 30.118799] R13: dffffc0000000000 R14: ffffea000721c280 R15: ffff8801a86b4788 [ 30.126046] FS: 0000000002339880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 30.134245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.140101] CR2: 0000000020000000 CR3: 00000001a8b1c000 CR4: 00000000001406f0 [ 30.147353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.154608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.161850] Call Trace: [ 30.164416] ? account_entity_dequeue+0x3af/0x7f0 [ 30.169236] ? blk_mq_sched_insert_request+0x2e4/0x970 [ 30.174492] ? ntfs_end_buffer_async_read+0x12c0/0x12c0 [ 30.179846] ? add_to_page_cache_locked+0x40/0x40 [ 30.184671] ? lock_release+0xa10/0xa10 [ 30.188619] ? lock_release+0xa10/0xa10 [ 30.192585] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 30.198103] ? alloc_pages_current+0x114/0x210 [ 30.202661] ? __page_cache_alloc+0x161/0x5a0 [ 30.207132] ? __filemap_set_wb_err+0x3a0/0x3a0 [ 30.211776] do_read_cache_page+0x778/0x13b0 [ 30.216163] ? ntfs_end_buffer_async_read+0x12c0/0x12c0 [ 30.221499] ? lock_release+0xa10/0xa10 [ 30.225448] ? pagecache_get_page+0xe20/0xe20 [ 30.229924] ? rcu_note_context_switch+0x710/0x710 [ 30.234828] ? lock_downgrade+0x8e0/0x8e0 [ 30.238965] ? __might_sleep+0x95/0x190 [ 30.242914] ? kasan_check_write+0x14/0x20 [ 30.247129] ? __mutex_lock+0x7d9/0x17f0 [ 30.251168] ? compat_start_thread+0x80/0x80 [ 30.255549] ? map_mft_record+0xce/0xb40 [ 30.259588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.265099] ? mutex_trylock+0x2a0/0x2a0 [ 30.269136] ? modules_open+0xa0/0xa0 [ 30.272926] ? __bpf_trace_bpf_map_next_key+0x40/0x40 [ 30.278100] ? preempt_notifier_register+0x1e0/0x1e0 [ 30.283188] ? is_bpf_text_address+0xae/0x170 [ 30.287659] ? lock_downgrade+0x8e0/0x8e0 [ 30.292738] ? lock_release+0xa10/0xa10 [ 30.296691] ? kasan_check_read+0x11/0x20 [ 30.300818] ? rcu_is_watching+0x85/0x140 [ 30.304944] ? depot_save_stack+0x26b/0x450 [ 30.309241] ? lock_downgrade+0x8e0/0x8e0 [ 30.313365] ? kasan_check_read+0x11/0x20 [ 30.317488] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.321872] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.326431] ? kasan_check_write+0x14/0x20 [ 30.330639] ? do_raw_spin_lock+0xc1/0x200 [ 30.334847] ? trace_hardirqs_on+0xd/0x10 [ 30.338972] ? depot_save_stack+0x26b/0x450 [ 30.343268] ? save_stack+0xa9/0xd0 [ 30.346868] ? save_stack+0x43/0xd0 [ 30.350468] ? kasan_kmalloc+0xc4/0xe0 [ 30.354330] ? kasan_slab_alloc+0x12/0x20 [ 30.358482] ? kmem_cache_alloc+0x12e/0x760 [ 30.362782] ? ntfs_attr_get_search_ctx+0x49/0x200 [ 30.367683] ? ntfs_read_inode_mount+0x6f2/0x23e0 [ 30.372500] ? ntfs_fill_super+0x1513/0x3090 [ 30.376884] ? mount_bdev+0x30c/0x3e0 [ 30.380656] ? ntfs_mount+0x34/0x40 [ 30.384255] ? mount_fs+0xae/0x328 [ 30.387769] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 30.392510] ? do_mount+0x564/0x3070 [ 30.396287] ? ksys_mount+0x12d/0x140 [ 30.400062] ? __x64_sys_mount+0xbe/0x150 [ 30.404185] ? do_syscall_64+0x1b1/0x800 [ 30.408222] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.413563] ? ntfs_end_buffer_async_read+0x12c0/0x12c0 [ 30.418918] read_cache_page+0x61/0x80 [ 30.422781] map_mft_record+0x290/0xb40 [ 30.426730] ? ntfs_mft_record_layout+0xc80/0xc80 [ 30.431548] ? ntfs_attr_lookup+0x15c2/0x24b0 [ 30.436028] ? kasan_check_write+0x14/0x20 [ 30.440259] ? do_raw_spin_lock+0xc1/0x200 [ 30.444483] ? kasan_unpoison_shadow+0x35/0x50 [ 30.449040] ? kasan_kmalloc+0xc4/0xe0 [ 30.452903] ntfs_read_locked_inode+0x19b/0x55f0 [ 30.457636] ? ntfs_attr_reinit_search_ctx+0x3c0/0x3c0 [ 30.462886] ntfs_read_inode_mount+0xb53/0x23e0 [ 30.467531] ? __insert_inode_hash+0x1fa/0x2b0 [ 30.472091] ntfs_fill_super+0x1513/0x3090 [ 30.476303] mount_bdev+0x30c/0x3e0 [ 30.479906] ? load_system_files+0x7fd0/0x7fd0 [ 30.484461] ntfs_mount+0x34/0x40 [ 30.487900] mount_fs+0xae/0x328 [ 30.491245] vfs_kern_mount.part.34+0xd4/0x4d0 [ 30.495803] ? may_umount+0xb0/0xb0 [ 30.499414] ? _raw_read_unlock+0x22/0x30 [ 30.503539] ? __get_fs_type+0x97/0xc0 [ 30.507405] do_mount+0x564/0x3070 [ 30.510926] ? copy_mount_string+0x40/0x40 [ 30.515141] ? rcu_pm_notify+0xc0/0xc0 [ 30.519008] ? copy_mount_options+0x5f/0x380 [ 30.523393] ? rcu_read_lock_sched_held+0x108/0x120 [ 30.528386] ? kmem_cache_alloc_trace+0x616/0x780 [ 30.533210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.538722] ? _copy_from_user+0xdf/0x150 [ 30.542849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.548362] ? copy_mount_options+0x285/0x380 [ 30.552838] ksys_mount+0x12d/0x140 [ 30.556444] __x64_sys_mount+0xbe/0x150 [ 30.560397] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.565396] do_syscall_64+0x1b1/0x800 [ 30.569260] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.574182] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.579090] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 30.584430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.589248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.594412] RIP: 0033:0x44471a [ 30.597575] RSP: 002b:00007ffe6b3e9468 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 30.605257] RAX: ffffffffffffffda RBX: 00000000200012c0 RCX: 000000000044471a [ 30.612503] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe6b3e9470 [ 30.619755] RBP: 0000000000000003 R08: 000000002007e200 R09: 000000000000000a [ 30.626999] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 30.634242] R13: 0000000000403610 R14: 0000000000000000 R15: 0000000000000000 [ 30.641484] Code: 85 18 fe ff ff 31 ff 48 8b 98 80 fd ff ff 48 c1 eb 03 83 e3 01 48 89 de e8 b0 f1 21 ff 48 85 db 0f 85 38 f0 ff ff e8 72 f0 21 ff <0f> 0b c6 85 c4 fd ff ff 00 e9 8c f4 ff ff e8 5f f0 21 ff 0f 0b [ 30.660583] RIP: ntfs_readpage+0x1d0e/0x2290 RSP: ffff8801d9096f48 [ 30.666979] ---[ end trace dc7c4ed6d595ee67 ]--- [ 30.671729] Kernel panic - not syncing: Fatal exception [ 30.677446] Dumping ftrace buffer: [ 30.680960] (ftrace buffer empty) [ 30.684646] Kernel Offset: disabled [ 30.688251] Rebooting in 86400 seconds..