[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.24' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.700188] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. [ 27.710184] ntfs: (device loop0): map_mft_record_page(): Mft record 0x1 is corrupt. Run chkdsk. [ 27.719752] ntfs: (device loop0): map_mft_record(): Failed with error code 5. [ 27.727196] ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0x1 as bad. Run chkdsk. [ 27.739631] ntfs: (device loop0): load_system_files(): Failed to load $MFTMirr. Mounting read-only. Run ntfsfix and/or chkdsk. [ 27.751875] ntfs: (device loop0): map_mft_record_page(): Mft record 0xa is corrupt. Run chkdsk. [ 27.760802] ntfs: (device loop0): map_mft_record(): Failed with error code 5. [ 27.768110] ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0xa as bad. Run chkdsk. [ 27.780387] ntfs: (device loop0): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default. [ 27.791675] ntfs: volume version 3.1. [ 27.795466] ntfs: (device loop0): map_mft_record_page(): Mft record 0x2 is corrupt. Run chkdsk. [ 27.805109] ------------[ cut here ]------------ [ 27.809852] kernel BUG at fs/ntfs/dir.c:99! [ 27.814197] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 27.819539] Modules linked in: [ 27.822703] CPU: 1 PID: 7979 Comm: syz-executor324 Not tainted 4.14.282-syzkaller #0 [ 27.830552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.839875] task: ffff8880b33be5c0 task.stack: ffff88809ce98000 [ 27.845907] RIP: 0010:ntfs_lookup_inode_by_name+0xca8/0x3820 [ 27.851682] RSP: 0018:ffff88809ce9fa08 EFLAGS: 00010297 [ 27.857014] RAX: ffff8880b33be5c0 RBX: ffff8880b3cbd360 RCX: ffff88809ce9fc20 [ 27.864269] RDX: 0000000000000000 RSI: ffffffff87b14240 RDI: ffff88808df3c448 [ 27.871511] RBP: ffff8880b325e850 R08: 0000000000000001 R09: 0000000000000000 [ 27.878750] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 27.885991] R13: ffff8880b3cbd400 R14: ffff8880b3cbd368 R15: ffff88808df3c180 [ 27.893234] FS: 00005555555af300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 27.901431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.907294] CR2: 0000000020000100 CR3: 000000009d4c4000 CR4: 00000000003406e0 [ 27.914550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.921793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.929031] Call Trace: [ 27.931596] ? lock_downgrade+0x740/0x740 [ 27.935728] ? do_raw_spin_unlock+0x164/0x220 [ 27.940195] ? _raw_spin_unlock+0x29/0x40 [ 27.944327] ? ntfs_iget+0xc4/0x130 [ 27.947924] ? ntfs_read_locked_inode+0x51b0/0x51b0 [ 27.952910] ntfs_fill_super+0x5d08/0x7170 [ 27.957137] ? lock_downgrade+0x740/0x740 [ 27.961259] ? ntfs_big_inode_init_once+0x20/0x20 [ 27.966090] ? vsprintf+0x30/0x30 [ 27.969516] ? ns_test_super+0x50/0x50 [ 27.973379] ? set_blocksize+0x125/0x380 [ 27.977414] mount_bdev+0x2b3/0x360 [ 27.981014] ? ntfs_big_inode_init_once+0x20/0x20 [ 27.985831] mount_fs+0x92/0x2a0 [ 27.989171] vfs_kern_mount.part.0+0x5b/0x470 [ 27.993638] do_mount+0xe65/0x2a30 [ 27.997149] ? copy_mount_string+0x40/0x40 [ 28.001359] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.006351] ? copy_mnt_ns+0xa30/0xa30 [ 28.010213] ? copy_mount_options+0x1fa/0x2f0 [ 28.014695] ? copy_mnt_ns+0xa30/0xa30 [ 28.018553] SyS_mount+0xa8/0x120 [ 28.021980] ? copy_mnt_ns+0xa30/0xa30 [ 28.025843] do_syscall_64+0x1d5/0x640 [ 28.029705] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.034864] RIP: 0033:0x7fb36eaebb0a [ 28.038546] RSP: 002b:00007ffc79082d48 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 28.046224] RAX: ffffffffffffffda RBX: 00007ffc79082da0 RCX: 00007fb36eaebb0a [ 28.053465] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc79082d60 [ 28.060705] RBP: 00007ffc79082d60 R08: 00007ffc79082da0 R09: 0000000000000000 [ 28.067948] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020001208 [ 28.075187] R13: 0000000000000003 R14: 0000000000000004 R15: 00000000000000ab [ 28.082440] Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 7a 27 00 00 48 8b 44 24 40 49 8d 5d 07 48 c7 00 00 00 00 00 e9 c8 fa ff ff e8 28 c4 43 ff <0f> 0b e8 21 c4 43 ff 0f 0b e8 1a c4 43 ff 48 8b 74 24 60 4c 89 [ 28.101480] RIP: ntfs_lookup_inode_by_name+0xca8/0x3820 RSP: ffff88809ce9fa08 [ 28.109192] ---[ end trace 308b0a61eda6ed78 ]--- [ 28.113994] Kernel panic - not syncing: Fatal exception [ 28.119495] Kernel Offset: disabled [ 28.123098] Rebooting in 86400 seconds..