Warning: Permanently added '10.128.0.91' (ED25519) to the list of known hosts.
executing program
[  663.472334][ T4005] loop0: detected capacity change from 0 to 32768
[  663.521330][ T4005] =======================================================
[  663.521330][ T4005] WARNING: The mand mount option has been deprecated and
[  663.521330][ T4005]          and is ignored by this kernel. Remove the mand
[  663.521330][ T4005]          option from the mount to silence this warning.
[  663.521330][ T4005] =======================================================
[  663.552730][ T4005] gfs2: fsid=}: Trying to join cluster "lock_nolock", "}"
[  663.554584][ T4005] gfs2: fsid=}: Now mounting FS (format 1801)...
[  663.564078][ T4005] gfs2: fsid=}.0: journal 0 mapped with 16 extents in 0ms
[  663.568076][    T7] gfs2: fsid=}.0: jid=0, already locked for use
[  663.569810][    T7] gfs2: fsid=}.0: jid=0: Looking at journal...
[  663.609598][    T7] gfs2: fsid=}.0: jid=0: Journal head lookup took 39ms
[  663.611929][    T7] gfs2: fsid=}.0: jid=0: Done
[  663.613435][ T4005] gfs2: fsid=}.0: first mount done, others may mount
[  858.090062][   T27] INFO: task syz-executor411:4004 blocked for more than 143 seconds.
[  858.092256][   T27]       Not tainted 5.15.155-syzkaller #0
[  858.093680][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  858.095934][   T27] task:syz-executor411 state:D stack:    0 pid: 4004 ppid:  4002 flags:0x00000004
[  858.098234][   T27] Call trace:
[  858.099036][   T27]  __switch_to+0x308/0x5e8
[  858.100314][   T27]  __schedule+0xf10/0x1e48
[  858.101408][   T27]  schedule+0x11c/0x1c8
[  858.102474][   T27]  bit_wait+0x1c/0xac
[  858.103496][   T27]  out_of_line_wait_on_bit+0x208/0x33c
[  858.104883][   T27]  gfs2_glock_nq+0xb38/0x144c
[  858.106072][   T27]  __gfs2_lookup+0x114/0x260
[  858.107261][   T27]  gfs2_lookup+0x2c/0x3c
[  858.108345][   T27]  __lookup_slow+0x250/0x388
[  858.109488][   T27]  lookup_slow+0x60/0x84
[  858.110689][   T27]  walk_component+0x394/0x4cc
[  858.111864][   T27]  path_lookupat+0x13c/0x3d0
[  858.113017][   T27]  filename_lookup+0x1c4/0x4c8
[  858.114249][   T27]  user_path_at_empty+0x5c/0x1a4
[  858.115533][   T27]  __arm64_sys_umount+0xf8/0x17c
[  858.116800][   T27]  invoke_syscall+0x98/0x2b8
[  858.117939][   T27]  el0_svc_common+0x138/0x258
[  858.119116][   T27]  do_el0_svc+0x58/0x14c
[  858.120289][   T27]  el0_svc+0x7c/0x1f0
[  858.121396][   T27]  el0t_64_sync_handler+0x84/0xe4
[  858.122649][   T27]  el0t_64_sync+0x1a0/0x1a4
[  858.123783][   T27] 
[  858.123783][   T27] Showing all locks held in the system:
[  858.125723][   T27] 1 lock held by khungtaskd/27:
[  858.126924][   T27]  #0: ffff800014b114e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  858.129327][   T27] 2 locks held by getty/3724:
[  858.130568][   T27]  #0: ffff0000d2ad2098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  858.133002][   T27]  #1: ffff800018e262e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  858.135610][   T27] 1 lock held by syz-executor411/4004:
[  858.136932][   T27]  #0: ffff0000df4e2338 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84
[  858.139525][   T27] 
[  858.140186][   T27] =============================================
[  858.140186][   T27] 
[  858.142356][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  858.144045][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.155-syzkaller #0
[  858.146076][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  858.148596][   T27] Call trace:
[  858.149420][   T27]  dump_backtrace+0x0/0x530
[  858.150556][   T27]  show_stack+0x2c/0x3c
[  858.151644][   T27]  dump_stack_lvl+0x108/0x170
[  858.152890][   T27]  dump_stack+0x1c/0x58
[  858.153952][   T27]  panic+0x304/0x8bc
[  858.154979][   T27]  hung_task_panic+0x0/0x2c
[  858.156133][   T27]  kthread+0x37c/0x45c
[  858.157199][   T27]  ret_from_fork+0x10/0x20
[  858.158324][   T27] SMP: stopping secondary CPUs
[  858.159619][   T27] Kernel Offset: disabled
[  858.160736][   T27] CPU features: 0x0,000081c1,21302e40
[  858.162113][   T27] Memory Limit: none
[  858.466599][   T27] Rebooting in 86400 seconds..