Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts.
executing program
[  133.366846][ T4043] loop0: detected capacity change from 0 to 32768
[  133.410148][ T4043] =======================================================
[  133.410148][ T4043] WARNING: The mand mount option has been deprecated and
[  133.410148][ T4043]          and is ignored by this kernel. Remove the mand
[  133.410148][ T4043]          option from the mount to silence this warning.
[  133.410148][ T4043] =======================================================
[  133.426242][ T4043] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  133.428828][ T4043] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  133.441311][ T4043] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[  133.445045][ T3605] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  133.447006][ T3605] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  133.482001][ T3605] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 34ms
[  133.484474][ T3605] gfs2: fsid=syz:syz.0: jid=0: Done
[  133.486161][ T4043] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  284.668821][   T27] INFO: task syz-executor341:4042 blocked for more than 143 seconds.
[  284.671152][   T27]       Not tainted 5.15.181-syzkaller #0
[  284.672601][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.674925][   T27] task:syz-executor341 state:D stack:    0 pid: 4042 ppid:  4040 flags:0x00000004
[  284.677418][   T27] Call trace:
[  284.678278][   T27]  __switch_to+0x2f4/0x558
[  284.679541][   T27]  __schedule+0xe00/0x1c0c
[  284.680689][   T27]  schedule+0x11c/0x1c8
[  284.681759][   T27]  bit_wait+0x1c/0xac
[  284.682825][   T27]  out_of_line_wait_on_bit+0x15c/0x200
[  284.684221][   T27]  gfs2_glock_nq+0x8f8/0x141c
[  284.685500][   T27]  __gfs2_lookup+0x110/0x268
[  284.686831][   T27]  gfs2_lookup+0x2c/0x3c
[  284.687942][   T27]  __lookup_slow+0x24c/0x380
[  284.689235][   T27]  lookup_slow+0x5c/0x80
[  284.690321][   T27]  walk_component+0x2b0/0x3a8
[  284.691588][   T27]  path_lookupat+0x13c/0x3d0
[  284.692824][   T27]  filename_lookup+0x180/0x414
[  284.694095][   T27]  user_path_at_empty+0x5c/0x1a0
[  284.695504][   T27]  __arm64_sys_umount+0xf4/0x178
[  284.696782][   T27]  invoke_syscall+0x98/0x2b8
[  284.697975][   T27]  el0_svc_common+0x138/0x258
[  284.699332][   T27]  do_el0_svc+0x58/0x14c
[  284.700477][   T27]  el0_svc+0x78/0x1e0
[  284.701561][   T27]  el0t_64_sync_handler+0xcc/0xe4
[  284.702914][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.704075][   T27] 
[  284.704075][   T27] Showing all locks held in the system:
[  284.706126][   T27] 1 lock held by khungtaskd/27:
[  284.707382][   T27]  #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.709993][   T27] 2 locks held by getty/3786:
[  284.711250][   T27]  #0: ffff0000d38aa098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.713883][   T27]  #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c
[  284.716559][   T27] 1 lock held by syz-executor341/4042:
[  284.717984][   T27]  #0: ffff0000ddba8818 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80
[  284.720952][   T27] 
[  284.721630][   T27] =============================================
[  284.721630][   T27] 
[  284.723887][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.725739][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0
[  284.728020][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[  284.731155][   T27] Call trace:
[  284.732239][   T27]  dump_backtrace+0x0/0x43c
[  284.734409][   T27]  show_stack+0x2c/0x3c
[  284.735618][   T27]  __dump_stack+0x30/0x40
[  284.736797][   T27]  dump_stack_lvl+0xf8/0x160
[  284.738020][   T27]  dump_stack+0x1c/0x5c
[  284.739164][   T27]  panic+0x2e4/0x854
[  284.740236][   T27]  hung_task_panic+0x0/0x2c
[  284.741410][   T27]  kthread+0x374/0x454
[  284.742480][   T27]  ret_from_fork+0x10/0x20
[  284.743688][   T27] SMP: stopping secondary CPUs
[  284.745044][   T27] Kernel Offset: disabled
[  284.746168][   T27] CPU features: 0x8,000081c1,21302e40
[  284.747604][   T27] Memory Limit: none
[  285.048456][   T27] Rebooting in 86400 seconds..