[    9.527968][ T2615] 8021q: adding VLAN 0 to HW filter on device bond0
[    9.530831][ T2615] eql: remember to turn off Van-Jacobson compression on your slave devices
[    9.560502][ T1012] gvnic 0000:00:00.0 enp0s0: Device link is up.
[    9.564859][   T23] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   28.998412][ T3030] loop0: detected capacity change from 0 to 2048
[   29.004858][ T3031] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.015721][ T3030] ------------[ cut here ]------------
[   29.017168][ T3030] refcount_t: underflow; use-after-free.
[   29.018818][ T3030] WARNING: CPU: 1 PID: 3030 at lib/refcount.c:87 refcount_dec_and_lock+0x180/0x1ec
[   29.021229][ T3030] Modules linked in:
[   29.022217][ T3030] CPU: 1 PID: 3030 Comm: syz-executor186 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
[   29.024809][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
[   29.027565][ T3030] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   29.029575][ T3030] pc : refcount_dec_and_lock+0x180/0x1ec
[   29.031064][ T3030] lr : refcount_dec_and_lock+0x17c/0x1ec
[   29.032696][ T3030] sp : ffff8000126e3a30
[   29.033795][ T3030] x29: ffff8000126e3a30 x28: ffff80000cc15062 x27: ffff0000c7c38640
[   29.035908][ T3030] x26: 0000000000000002 x25: 00000000ffffffff x24: 0000000000000000
[   29.037995][ T3030] x23: 00000000c0000000 x22: 0000000000000000 x21: ffff80000d5eb4a0
[   29.040061][ T3030] x20: ffff0000c8c9b420 x19: ffff80000d8c8000 x18: 00000000000000c0
[   29.042154][ T3030] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c8f39a80
[   29.044252][ T3030] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c8f39a80
[   29.046304][ T3030] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 71c13a87731a7b00
[   29.048374][ T3030] x8 : 71c13a87731a7b00 x7 : ffff80000819545c x6 : 0000000000000000
[   29.050426][ T3030] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
[   29.052613][ T3030] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[   29.054710][ T3030] Call trace:
[   29.055698][ T3030]  refcount_dec_and_lock+0x180/0x1ec
[   29.057096][ T3030]  nilfs_put_root+0x30/0x80
[   29.058251][ T3030]  nilfs_detach_log_writer+0x3b8/0x4d0
[   29.059810][ T3030]  nilfs_put_super+0x28/0x9c
[   29.061006][ T3030]  generic_shutdown_super+0x8c/0x190
[   29.062369][ T3030]  kill_block_super+0x30/0x78
[   29.063574][ T3030]  deactivate_locked_super+0x70/0xe8
[   29.064911][ T3030]  deactivate_super+0xd0/0xd4
[   29.066125][ T3030]  cleanup_mnt+0x1f8/0x234
[   29.067344][ T3030]  __cleanup_mnt+0x20/0x30
[   29.068447][ T3030]  task_work_run+0xc4/0x14c
[   29.069557][ T3030]  do_exit+0x26c/0xbe0
[   29.070641][ T3030]  do_group_exit+0x60/0xe8
[   29.071792][ T3030]  __wake_up_parent+0x0/0x40
[   29.073107][ T3030]  el0_svc_common+0x138/0x220
[   29.074315][ T3030]  do_el0_svc+0x48/0x164
[   29.075417][ T3030]  el0_svc+0x58/0x150
[   29.076423][ T3030]  el0t_64_sync_handler+0x84/0xf0
[   29.077832][ T3030]  el0t_64_sync+0x18c/0x190
[   29.078945][ T3030] irq event stamp: 9232
[   29.079974][ T3030] hardirqs last  enabled at (9231): [<ffff8000081befc8>] __up_console_sem+0xb0/0xfc
[   29.082537][ T3030] hardirqs last disabled at (9232): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c
[   29.084787][ T3030] softirqs last  enabled at (7848): [<ffff80000801c33c>] local_bh_enable+0x10/0x34
[   29.087362][ T3030] softirqs last disabled at (7846): [<ffff80000801c308>] local_bh_disable+0x10/0x34
[   29.089753][ T3030] ---[ end trace 0000000000000000 ]---