Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts.
executing program
[  438.410414][ T4051] loop0: detected capacity change from 0 to 32768
[  438.507129][ T4051] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  438.509266][ T4051] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  438.517242][ T4051] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[  438.520728][ T1963] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  438.522519][ T1963] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  438.565923][ T1963] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms
[  438.568230][ T1963] gfs2: fsid=syz:syz.0: jid=0: Done
[  438.569794][ T4051] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  714.754535][   T27] INFO: task syz-executor250:4050 blocked for more than 143 seconds.
[  714.756795][   T27]       Not tainted 5.15.176-syzkaller #0
[  714.758273][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  714.760441][   T27] task:syz-executor250 state:D stack:    0 pid: 4050 ppid:  4048 flags:0x00000004
[  714.762773][   T27] Call trace:
[  714.763542][   T27]  __switch_to+0x308/0x588
[  714.764878][   T27]  __schedule+0xf10/0x1e48
[  714.765959][   T27]  schedule+0x11c/0x1c8
[  714.767057][   T27]  schedule_timeout+0x1d8/0x344
[  714.768186][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  714.769432][   T27]  gfs2_put_super+0x5e4/0x684
[  714.770585][   T27]  generic_shutdown_super+0x130/0x2f0
[  714.771912][   T27]  kill_block_super+0x70/0xdc
[  714.773068][   T27]  gfs2_kill_sb+0xc0/0xd4
[  714.774165][   T27]  deactivate_locked_super+0xb8/0x13c
[  714.775614][   T27]  deactivate_super+0x108/0x128
[  714.776799][   T27]  cleanup_mnt+0x3c0/0x474
[  714.777905][   T27]  __cleanup_mnt+0x20/0x30
[  714.778989][   T27]  task_work_run+0x130/0x1e4
[  714.780149][   T27]  do_notify_resume+0x262c/0x32b8
[  714.781422][   T27]  el0_svc+0xfc/0x1f0
[  714.782492][   T27]  el0t_64_sync_handler+0x84/0xe4
[  714.783695][   T27]  el0t_64_sync+0x1a0/0x1a4
[  714.784819][   T27] 
[  714.784819][   T27] Showing all locks held in the system:
[  714.786730][   T27] 1 lock held by khungtaskd/27:
[  714.787961][   T27]  #0: ffff800014d32360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  714.790349][   T27] 2 locks held by getty/3784:
[  714.791561][   T27]  #0: ffff0000d316e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  714.793924][   T27]  #1: ffff80001bfb02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  714.796617][   T27] 1 lock held by syz-executor250/4050:
[  714.798080][   T27]  #0: ffff0000c8d640e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  714.800689][   T27] 
[  714.801243][   T27] =============================================
[  714.801243][   T27] 
[  714.803296][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  714.805071][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  714.807066][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  714.809576][   T27] Call trace:
[  714.810386][   T27]  dump_backtrace+0x0/0x530
[  714.811496][   T27]  show_stack+0x2c/0x3c
[  714.812582][   T27]  dump_stack_lvl+0x108/0x170
[  714.813821][   T27]  dump_stack+0x1c/0x58
[  714.814892][   T27]  panic+0x304/0x8bc
[  714.815894][   T27]  hung_task_panic+0x0/0x2c
[  714.817034][   T27]  kthread+0x37c/0x45c
[  714.818041][   T27]  ret_from_fork+0x10/0x20
[  714.819196][   T27] SMP: stopping secondary CPUs
[  714.820409][   T27] Kernel Offset: disabled
[  714.821501][   T27] CPU features: 0x8,000081c1,21302e40
[  714.822827][   T27] Memory Limit: none
[  715.199789][   T27] Rebooting in 86400 seconds..