[   18.941750][ T3693] 8021q: adding VLAN 0 to HW filter on device bond0
[   18.945819][ T3693] eql: remember to turn off Van-Jacobson compression on your slave devices
[   18.988032][ T1614] gvnic 0000:00:00.0 enp0s0: Device link is up.
[   18.993103][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
syzkaller login: [   69.631215][ T1960] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts.
executing program
[  127.533162][ T4035] loop0: detected capacity change from 0 to 32768
[  127.632242][ T4035] gfs2: fsid=__&+[$!: Trying to join cluster "lock_nolock", "__&+[$!"
[  127.634520][ T4035] gfs2: fsid=__&+[$!: Now mounting FS (format 1801)...
[  127.642620][ T4035] gfs2: fsid=__&+[$!.0: journal 0 mapped with 16 extents in 0ms
[  127.647171][ T1534] gfs2: fsid=__&+[$!.0: jid=0, already locked for use
[  127.649068][ T1534] gfs2: fsid=__&+[$!.0: jid=0: Looking at journal...
[  127.688316][ T1534] gfs2: fsid=__&+[$!.0: jid=0: Journal head lookup took 39ms
[  127.690926][ T1534] gfs2: fsid=__&+[$!.0: jid=0: Done
[  127.692530][ T4035] gfs2: fsid=__&+[$!.0: first mount done, others may mount
[  284.669499][   T27] INFO: task syz-executor219:4034 blocked for more than 143 seconds.
[  284.671745][   T27]       Not tainted 5.15.179-syzkaller #0
[  284.673208][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.675501][   T27] task:syz-executor219 state:D stack:    0 pid: 4034 ppid:  4032 flags:0x00000004
[  284.677871][   T27] Call trace:
[  284.678674][   T27]  __switch_to+0x308/0x588
[  284.679878][   T27]  __schedule+0xf10/0x1e48
[  284.681084][   T27]  schedule+0x11c/0x1c8
[  284.682158][   T27]  bit_wait+0x1c/0xac
[  284.683222][   T27]  out_of_line_wait_on_bit+0x208/0x33c
[  284.684553][   T27]  gfs2_glock_nq+0xb38/0x144c
[  284.685748][   T27]  __gfs2_lookup+0x114/0x260
[  284.686959][   T27]  gfs2_lookup+0x2c/0x3c
[  284.688142][   T27]  __lookup_slow+0x250/0x388
[  284.689380][   T27]  lookup_slow+0x60/0x84
[  284.690515][   T27]  walk_component+0x394/0x4cc
[  284.691738][   T27]  path_lookupat+0x13c/0x3d0
[  284.692952][   T27]  filename_lookup+0x1c4/0x4c8
[  284.694186][   T27]  user_path_at_empty+0x5c/0x1a4
[  284.695426][   T27]  __arm64_sys_umount+0xf8/0x17c
[  284.696704][   T27]  invoke_syscall+0x98/0x2b8
[  284.697884][   T27]  el0_svc_common+0x138/0x258
[  284.699130][   T27]  do_el0_svc+0x58/0x14c
[  284.700304][   T27]  el0_svc+0x7c/0x1f0
[  284.701324][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.702646][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.703828][   T27] 
[  284.703828][   T27] Showing all locks held in the system:
[  284.705823][   T27] 1 lock held by khungtaskd/27:
[  284.707048][   T27]  #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.709596][   T27] 1 lock held by klogd/3630:
[  284.710834][   T27]  #0: ffff0001b41a7918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x44
[  284.713494][   T27] 2 locks held by getty/3792:
[  284.714676][   T27]  #0: ffff0000d3abd098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.717186][   T27]  #1: ffff80001d6de2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.719898][   T27] 1 lock held by syz-executor219/4034:
[  284.721307][   T27]  #0: ffff0000dbfa1c70 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84
[  284.723967][   T27] 
[  284.724561][   T27] =============================================
[  284.724561][   T27] 
[  284.726644][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.728425][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  284.730498][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.733157][   T27] Call trace:
[  284.733989][   T27]  dump_backtrace+0x0/0x530
[  284.735165][   T27]  show_stack+0x2c/0x3c
[  284.736254][   T27]  dump_stack_lvl+0x108/0x170
[  284.737586][   T27]  dump_stack+0x1c/0x58
[  284.738666][   T27]  panic+0x304/0x8bc
[  284.739698][   T27]  hung_task_panic+0x0/0x2c
[  284.740956][   T27]  kthread+0x37c/0x45c
[  284.742088][   T27]  ret_from_fork+0x10/0x20
[  284.743264][   T27] SMP: stopping secondary CPUs
[  284.744518][   T27] Kernel Offset: disabled
[  284.745673][   T27] CPU features: 0x8,000081c1,21302e40
[  284.747046][   T27] Memory Limit: none
[  285.065106][   T27] Rebooting in 86400 seconds..