Warning: Permanently added '10.128.10.47' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   57.641011][ T4022] loop0: detected capacity change from 0 to 32768
[   57.720480][ T4022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   57.722662][ T4022] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[   57.731943][ T4022] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[   57.735891][ T3325] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[   57.737881][ T3325] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[   57.767556][ T3325] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 29ms
[   57.770152][ T3325] gfs2: fsid=syz:syz.0: jid=0: Done
[   57.771886][ T4022] gfs2: fsid=syz:syz.0: first mount done, others may mount
[   74.778902][ T1963] cfg80211: failed to load regulatory.db
[  284.697428][   T27] INFO: task syz-executor189:4021 blocked for more than 143 seconds.
[  284.699741][   T27]       Not tainted 5.15.176-syzkaller #0
[  284.701298][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.703474][   T27] task:syz-executor189 state:D stack:    0 pid: 4021 ppid:  4019 flags:0x00000004
[  284.705923][   T27] Call trace:
[  284.706781][   T27]  __switch_to+0x308/0x588
[  284.708279][   T27]  __schedule+0xf10/0x1e48
[  284.709452][   T27]  schedule+0x11c/0x1c8
[  284.710556][   T27]  schedule_timeout+0x1d8/0x344
[  284.711700][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  284.712929][   T27]  gfs2_put_super+0x5e4/0x684
[  284.714097][   T27]  generic_shutdown_super+0x130/0x2f0
[  284.715592][   T27]  kill_block_super+0x70/0xdc
[  284.716803][   T27]  gfs2_kill_sb+0xc0/0xd4
[  284.717988][   T27]  deactivate_locked_super+0xb8/0x13c
[  284.719322][   T27]  deactivate_super+0x108/0x128
[  284.720548][   T27]  cleanup_mnt+0x3c0/0x474
[  284.721728][   T27]  __cleanup_mnt+0x20/0x30
[  284.722836][   T27]  task_work_run+0x130/0x1e4
[  284.723987][   T27]  do_notify_resume+0x262c/0x32b8
[  284.725252][   T27]  el0_svc+0xfc/0x1f0
[  284.726211][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.727520][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.728741][   T27] 
[  284.728741][   T27] Showing all locks held in the system:
[  284.730719][   T27] 1 lock held by khungtaskd/27:
[  284.731916][   T27]  #0: ffff800014d32360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.734336][   T27] 2 locks held by getty/3790:
[  284.735560][   T27]  #0: ffff0000d3e00098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.738045][   T27]  #1: ffff80001bfb02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.740652][   T27] 1 lock held by syz-executor189/4021:
[  284.742023][   T27]  #0: ffff0000cbd480e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  284.744837][   T27] 
[  284.745381][   T27] =============================================
[  284.745381][   T27] 
[  284.747635][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.747646][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  284.747658][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  284.747665][   T27] Call trace:
[  284.755164][   T27]  dump_backtrace+0x0/0x530
[  284.756296][   T27]  show_stack+0x2c/0x3c
[  284.757366][   T27]  dump_stack_lvl+0x108/0x170
[  284.758671][   T27]  dump_stack+0x1c/0x58
[  284.759788][   T27]  panic+0x304/0x8bc
[  284.760814][   T27]  hung_task_panic+0x0/0x2c
[  284.762032][   T27]  kthread+0x37c/0x45c
[  284.763168][   T27]  ret_from_fork+0x10/0x20
[  284.764404][   T27] SMP: stopping secondary CPUs
[  284.765714][   T27] Kernel Offset: disabled
[  284.766846][   T27] CPU features: 0x8,000081c1,21302e40
[  284.768320][   T27] Memory Limit: none
[  285.129387][   T27] Rebooting in 86400 seconds..