Warning: Permanently added '10.128.1.164' (ED25519) to the list of known hosts.
executing program
[  415.956632][ T4049] loop0: detected capacity change from 0 to 32768
[  416.052724][ T4049] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  416.055007][ T4049] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  416.063516][ T4049] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[  416.068956][   T25] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  416.071522][   T25] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  416.105651][   T25] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 34ms
[  416.108125][   T25] gfs2: fsid=syz:syz.0: jid=0: Done
[  416.110295][ T4049] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  571.389709][   T27] INFO: task syz-executor140:4048 blocked for more than 143 seconds.
[  571.391962][   T27]       Not tainted 5.15.180-syzkaller #0
[  571.393495][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  571.395792][   T27] task:syz-executor140 state:D stack:    0 pid: 4048 ppid:  4046 flags:0x0000000c
[  571.398187][   T27] Call trace:
[  571.398997][   T27]  __switch_to+0x308/0x588
[  571.400317][   T27]  __schedule+0xf10/0x1e48
[  571.401432][   T27]  schedule+0x11c/0x1c8
[  571.402511][   T27]  schedule_timeout+0x1d8/0x344
[  571.403760][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  571.405091][   T27]  gfs2_put_super+0x5e4/0x684
[  571.406290][   T27]  generic_shutdown_super+0x130/0x2f0
[  571.407662][   T27]  kill_block_super+0x70/0xdc
[  571.408861][   T27]  gfs2_kill_sb+0xc0/0xd4
[  571.410085][   T27]  deactivate_locked_super+0xb8/0x13c
[  571.411459][   T27]  deactivate_super+0x108/0x128
[  571.412799][   T27]  cleanup_mnt+0x3c0/0x474
[  571.414080][   T27]  __cleanup_mnt+0x20/0x30
[  571.415290][   T27]  task_work_run+0x130/0x1e4
[  571.416490][   T27]  do_notify_resume+0x262c/0x32b8
[  571.417812][   T27]  el0_svc+0xfc/0x1f0
[  571.418890][   T27]  el0t_64_sync_handler+0x84/0xe4
[  571.420298][   T27]  el0t_64_sync+0x1a0/0x1a4
[  571.421506][   T27] 
[  571.421506][   T27] Showing all locks held in the system:
[  571.423571][   T27] 1 lock held by khungtaskd/27:
[  571.424832][   T27]  #0: ffff800014d41be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  571.427437][   T27] 2 locks held by getty/3783:
[  571.428677][   T27]  #0: ffff0000d404e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  571.431404][   T27]  #1: ffff80001d73e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  571.434046][   T27] 1 lock held by syz-executor140/4048:
[  571.435424][   T27]  #0: ffff0000c96680e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  571.438229][   T27] 
[  571.438823][   T27] =============================================
[  571.438823][   T27] 
[  571.441083][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  571.442916][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  571.445019][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  571.447583][   T27] Call trace:
[  571.448438][   T27]  dump_backtrace+0x0/0x530
[  571.449604][   T27]  show_stack+0x2c/0x3c
[  571.450740][   T27]  dump_stack_lvl+0x108/0x170
[  571.451981][   T27]  dump_stack+0x1c/0x58
[  571.453096][   T27]  panic+0x304/0x8bc
[  571.454115][   T27]  hung_task_panic+0x0/0x2c
[  571.455324][   T27]  kthread+0x37c/0x45c
[  571.456390][   T27]  ret_from_fork+0x10/0x20
[  571.457568][   T27] SMP: stopping secondary CPUs
[  571.458906][   T27] Kernel Offset: disabled
[  571.460092][   T27] CPU features: 0x8,000081c1,21302e40
[  571.461525][   T27] Memory Limit: none
[  571.796015][   T27] Rebooting in 86400 seconds..