[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   28.215008] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   28.234561] ------------[ cut here ]------------
[   28.239521] WARNING: CPU: 0 PID: 7982 at fs/inode.c:967 unlock_new_inode+0x9a/0xc0
[   28.247222] Kernel panic - not syncing: panic_on_warn set ...
[   28.247222] 
[   28.254572] CPU: 0 PID: 7982 Comm: syz-executor449 Not tainted 4.14.295-syzkaller #0
[   28.262430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   28.271764] Call Trace:
[   28.274346]  dump_stack+0x1b2/0x281
[   28.277970]  panic+0x1f9/0x42d
[   28.281158]  ? add_taint.cold+0x16/0x16
[   28.285128]  ? unlock_new_inode+0x9a/0xc0
[   28.289251]  ? unlock_new_inode+0x9a/0xc0
[   28.293376]  __warn.cold+0x20/0x44
[   28.296893]  ? ist_end_non_atomic+0x10/0x10
[   28.301191]  ? unlock_new_inode+0x9a/0xc0
[   28.305351]  report_bug+0x208/0x250
[   28.308953]  do_error_trap+0x195/0x2d0
[   28.312815]  ? math_error+0x2d0/0x2d0
[   28.316601]  ? trace_hardirqs_on+0x10/0x10
[   28.320811]  ? trace_hardirqs_on+0x10/0x10
[   28.325024]  ? __unlock_page_memcg+0x4f/0x100
[   28.329507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   28.334341]  invalid_op+0x1b/0x40
[   28.337778] RIP: 0010:unlock_new_inode+0x9a/0xc0
[   28.342514] RSP: 0018:ffff88808c8ef8a8 EFLAGS: 00010297
[   28.347862] RAX: ffff8880b415a280 RBX: ffff8880949f6a88 RCX: 000000000000311d
[   28.355107] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880949f6b14
[   28.362361] RBP: 0000000000000000 R08: ffffffff8b9ba3e8 R09: 0000000000040577
[   28.369611] R10: ffff8880b415aba8 R11: ffff8880b415a280 R12: ffff8880949f6b60
[   28.376863] R13: ffff8880949f6b10 R14: ffff8880b3684540 R15: ffff8880949f6a88
[   28.384131]  ? unlock_new_inode+0x9a/0xc0
[   28.388257]  nilfs_new_inode+0x59f/0x6f0
[   28.392299]  ? nilfs_segctor_do_construct+0x37a0/0x78d0
[   28.397651]  ? nilfs_set_inode_flags+0xb0/0xb0
[   28.402223]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   28.407654]  ? nilfs_transaction_begin+0x274/0xa00
[   28.412560]  nilfs_create+0xd2/0x2a0
[   28.416252]  ? nilfs_get_dentry+0x160/0x160
[   28.420554]  ? nilfs_get_dentry+0x160/0x160
[   28.424854]  lookup_open+0x77a/0x1750
[   28.428636]  ? vfs_mkdir+0x6e0/0x6e0
[   28.432335]  path_openat+0xe08/0x2970
[   28.436119]  ? path_lookupat+0x780/0x780
[   28.440183]  ? trace_hardirqs_on+0x10/0x10
[   28.444397]  ? __lock_acquire+0x5fc/0x3f20
[   28.448633]  do_filp_open+0x179/0x3c0
[   28.452414]  ? may_open_dev+0xe0/0xe0
[   28.456203]  ? lock_downgrade+0x740/0x740
[   28.460332]  ? do_raw_spin_unlock+0x164/0x220
[   28.464806]  ? _raw_spin_unlock+0x29/0x40
[   28.468928]  ? __alloc_fd+0x1be/0x490
[   28.472713]  do_sys_open+0x296/0x410
[   28.476418]  ? filp_open+0x60/0x60
[   28.479936]  ? __close_fd+0x159/0x230
[   28.483720]  ? do_syscall_64+0x4c/0x640
[   28.487677]  ? compat_SyS_openat+0x30/0x30
[   28.491899]  do_syscall_64+0x1d5/0x640
[   28.495787]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   28.500961] RIP: 0033:0x7fe4d9c13369
[   28.504653] RSP: 002b:00007ffd683a2a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[   28.512343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4d9c13369
[   28.519595] RDX: 0000000000000073 RSI: 0000000000000000 RDI: 0000000020000040
[   28.526840] RBP: 00007fe4d9bd2bd0 R08: 0000555555ecd2c0 R09: 0000000000000000
[   28.534089] R10: 00007ffd683a2960 R11: 0000000000000246 R12: 00007fe4d9bd2c60
[   28.541333] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   28.548886] Kernel Offset: disabled
[   28.552566] Rebooting in 86400 seconds..