Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts.
executing program
[  662.286163][ T4011] loop0: detected capacity change from 0 to 32768
[  662.371959][ T4011] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  662.374027][ T4011] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  662.381642][ T4011] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[  662.384937][   T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  662.386593][   T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  662.413943][   T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 27ms
[  662.416685][   T21] gfs2: fsid=syz:syz.0: jid=0: Done
[  662.418147][ T4011] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  858.099839][   T27] INFO: task syz-executor355:4010 blocked for more than 143 seconds.
[  858.101967][   T27]       Not tainted 5.15.160-syzkaller #0
[  858.103360][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  858.105428][   T27] task:syz-executor355 state:D stack:    0 pid: 4010 ppid:  4008 flags:0x0000000c
[  858.107704][   T27] Call trace:
[  858.108533][   T27]  __switch_to+0x308/0x5e8
[  858.109796][   T27]  __schedule+0xf10/0x1e48
[  858.110914][   T27]  schedule+0x11c/0x1c8
[  858.111938][   T27]  schedule_timeout+0x1d8/0x344
[  858.113151][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  858.114393][   T27]  gfs2_put_super+0x5e4/0x684
[  858.115554][   T27]  generic_shutdown_super+0x130/0x29c
[  858.116848][   T27]  kill_block_super+0x70/0xdc
[  858.117960][   T27]  gfs2_kill_sb+0xc0/0xd4
[  858.118979][   T27]  deactivate_locked_super+0xb8/0x13c
[  858.120380][   T27]  deactivate_super+0x108/0x128
[  858.121523][   T27]  cleanup_mnt+0x3c0/0x474
[  858.122611][   T27]  __cleanup_mnt+0x20/0x30
[  858.123665][   T27]  task_work_run+0x130/0x1e4
[  858.124798][   T27]  do_notify_resume+0x262c/0x32b8
[  858.126018][   T27]  el0_svc+0xfc/0x1f0
[  858.127015][   T27]  el0t_64_sync_handler+0x84/0xe4
[  858.128274][   T27]  el0t_64_sync+0x1a0/0x1a4
[  858.129380][   T27] 
[  858.129380][   T27] Showing all locks held in the system:
[  858.131401][   T27] 1 lock held by khungtaskd/27:
[  858.132571][   T27]  #0: ffff800014b214a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  858.134903][   T27] 2 locks held by getty/3743:
[  858.136049][   T27]  #0: ffff0000d3968098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  858.138394][   T27]  #1: ffff80001a32e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  858.140994][   T27] 1 lock held by syz-executor355/4010:
[  858.142326][   T27]  #0: ffff0000ca8c20e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  858.144900][   T27] 
[  858.145448][   T27] =============================================
[  858.145448][   T27] 
[  858.147449][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  858.149108][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[  858.151064][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  858.153536][   T27] Call trace:
[  858.154317][   T27]  dump_backtrace+0x0/0x530
[  858.155427][   T27]  show_stack+0x2c/0x3c
[  858.156460][   T27]  dump_stack_lvl+0x108/0x170
[  858.157628][   T27]  dump_stack+0x1c/0x58
[  858.158695][   T27]  panic+0x304/0x8bc
[  858.159659][   T27]  hung_task_panic+0x0/0x2c
[  858.160828][   T27]  kthread+0x37c/0x45c
[  858.161814][   T27]  ret_from_fork+0x10/0x20
[  858.162940][   T27] SMP: stopping secondary CPUs
[  858.164154][   T27] Kernel Offset: disabled
[  858.165254][   T27] CPU features: 0x0,000081c1,21302e40
[  858.166603][   T27] Memory Limit: none
[  858.489798][   T27] Rebooting in 86400 seconds..