Warning: Permanently added '10.128.0.37' (ED25519) to the list of known hosts.
executing program
[  129.494215][ T4038] loop0: detected capacity change from 0 to 32768
[  129.586715][ T4038] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  129.588507][ T4038] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  129.597157][ T4038] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[  129.600822][ T3324] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  129.602367][ T3324] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  129.631432][ T3324] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 29ms
[  129.634720][ T3324] gfs2: fsid=syz:syz.0: jid=0: Done
[  129.636280][ T4038] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  284.684117][   T27] INFO: task syz-executor148:4037 blocked for more than 143 seconds.
[  284.686204][   T27]       Not tainted 5.15.167-syzkaller #0
[  284.687434][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.689217][   T27] task:syz-executor148 state:D stack:    0 pid: 4037 ppid:  4035 flags:0x0000000c
[  284.691256][   T27] Call trace:
[  284.691886][   T27]  __switch_to+0x308/0x5e8
[  284.692786][   T27]  __schedule+0xf10/0x1e48
[  284.693682][   T27]  schedule+0x11c/0x1c8
[  284.694709][   T27]  schedule_timeout+0x1d8/0x344
[  284.695749][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  284.696799][   T27]  gfs2_put_super+0x5e4/0x684
[  284.697793][   T27]  generic_shutdown_super+0x130/0x29c
[  284.698994][   T27]  kill_block_super+0x70/0xdc
[  284.700004][   T27]  gfs2_kill_sb+0xc0/0xd4
[  284.700908][   T27]  deactivate_locked_super+0xb8/0x13c
[  284.702061][   T27]  deactivate_super+0x108/0x128
[  284.703065][   T27]  cleanup_mnt+0x3c0/0x474
[  284.704124][   T27]  __cleanup_mnt+0x20/0x30
[  284.705047][   T27]  task_work_run+0x130/0x1e4
[  284.706018][   T27]  do_notify_resume+0x262c/0x32b8
[  284.707032][   T27]  el0_svc+0xfc/0x1f0
[  284.707898][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.708981][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.709918][   T27] 
[  284.709918][   T27] Showing all locks held in the system:
[  284.711569][   T27] 1 lock held by khungtaskd/27:
[  284.712568][   T27]  #0: ffff800014c917e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.714680][   T27] 2 locks held by getty/3782:
[  284.715690][   T27]  #0: ffff0000d4c90098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.717722][   T27]  #1: ffff80001d5fe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.719872][   T27] 1 lock held by syz-executor148/4037:
[  284.721029][   T27]  #0: ffff0000ccae80e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  284.723244][   T27] 
[  284.723715][   T27] =============================================
[  284.723715][   T27] 
[  284.725378][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.726756][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.167-syzkaller #0
[  284.728393][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  284.730466][   T27] Call trace:
[  284.731097][   T27]  dump_backtrace+0x0/0x530
[  284.732063][   T27]  show_stack+0x2c/0x3c
[  284.732968][   T27]  dump_stack_lvl+0x108/0x170
[  284.733924][   T27]  dump_stack+0x1c/0x58
[  284.734748][   T27]  panic+0x304/0x8bc
[  284.735617][   T27]  hung_task_panic+0x0/0x2c
[  284.736601][   T27]  kthread+0x37c/0x45c
[  284.737477][   T27]  ret_from_fork+0x10/0x20
[  284.738363][   T27] SMP: stopping secondary CPUs
[  284.739530][   T27] Kernel Offset: disabled
[  284.740462][   T27] CPU features: 0x8,000081c1,21302e40
[  284.741603][   T27] Memory Limit: none
[  285.093521][   T27] Rebooting in 86400 seconds..