Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts.
executing program
[  149.915422][ T4035] loop0: detected capacity change from 0 to 32768
[  149.959540][ T4035] =======================================================
[  149.959540][ T4035] WARNING: The mand mount option has been deprecated and
[  149.959540][ T4035]          and is ignored by this kernel. Remove the mand
[  149.959540][ T4035]          option from the mount to silence this warning.
[  149.959540][ T4035] =======================================================
[  149.990327][ T4035] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  149.992520][ T4035] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  150.011121][ T4035] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[  150.015113][ T2391] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  150.016980][ T2391] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  150.052595][ T2391] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms
[  150.055976][ T2391] gfs2: fsid=syz:syz.0: jid=0: Done
[  150.058239][ T4035] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  428.027301][   T27] INFO: task syz-executor139:4034 blocked for more than 143 seconds.
[  428.029487][   T27]       Not tainted 5.15.179-syzkaller #0
[  428.031028][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  428.033327][   T27] task:syz-executor139 state:D stack:    0 pid: 4034 ppid:  4032 flags:0x00000004
[  428.035726][   T27] Call trace:
[  428.036554][   T27]  __switch_to+0x308/0x588
[  428.037896][   T27]  __schedule+0xf10/0x1e48
[  428.039107][   T27]  schedule+0x11c/0x1c8
[  428.040176][   T27]  schedule_timeout+0x1d8/0x344
[  428.041379][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  428.042673][   T27]  gfs2_put_super+0x5e4/0x684
[  428.043939][   T27]  generic_shutdown_super+0x130/0x2f0
[  428.045368][   T27]  kill_block_super+0x70/0xdc
[  428.046568][   T27]  gfs2_kill_sb+0xc0/0xd4
[  428.047777][   T27]  deactivate_locked_super+0xb8/0x13c
[  428.049351][   T27]  deactivate_super+0x108/0x128
[  428.050675][   T27]  cleanup_mnt+0x3c0/0x474
[  428.051870][   T27]  __cleanup_mnt+0x20/0x30
[  428.053042][   T27]  task_work_run+0x130/0x1e4
[  428.054251][   T27]  do_notify_resume+0x262c/0x32b8
[  428.055567][   T27]  el0_svc+0xfc/0x1f0
[  428.056576][   T27]  el0t_64_sync_handler+0x84/0xe4
[  428.058024][   T27]  el0t_64_sync+0x1a0/0x1a4
[  428.059191][   T27] 
[  428.059191][   T27] Showing all locks held in the system:
[  428.061200][   T27] 1 lock held by khungtaskd/27:
[  428.062423][   T27]  #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  428.064936][   T27] 2 locks held by getty/3784:
[  428.066191][   T27]  #0: ffff0000d2a44098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  428.068950][   T27]  #1: ffff80001d70b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  428.071601][   T27] 1 lock held by syz-executor139/4034:
[  428.073008][   T27]  #0: ffff0000cc7260e0 (&type->s_umount_key#41){++++}-{3:3}, at: deactivate_super+0x100/0x128
[  428.075765][   T27] 
[  428.076313][   T27] =============================================
[  428.076313][   T27] 
[  428.078531][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  428.080318][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  428.082505][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  428.085195][   T27] Call trace:
[  428.086015][   T27]  dump_backtrace+0x0/0x530
[  428.087229][   T27]  show_stack+0x2c/0x3c
[  428.088378][   T27]  dump_stack_lvl+0x108/0x170
[  428.089699][   T27]  dump_stack+0x1c/0x58
[  428.091013][   T27]  panic+0x304/0x8bc
[  428.092115][   T27]  hung_task_panic+0x0/0x2c
[  428.093432][   T27]  kthread+0x37c/0x45c
[  428.094526][   T27]  ret_from_fork+0x10/0x20
[  428.095711][   T27] SMP: stopping secondary CPUs
[  428.097025][   T27] Kernel Offset: disabled
[  428.098165][   T27] CPU features: 0x8,000081c1,21302e40
[  428.099629][   T27] Memory Limit: none
[  428.405076][   T27] Rebooting in 86400 seconds..