Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts.
executing program
[  666.295571][ T4008] loop0: detected capacity change from 0 to 32768
[  666.301074][ T4008] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  666.303548][ T4008] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  666.311353][ T4008] gfs2: fsid=syz:syz.0: journal 0 mapped with 12 extents in 0ms
[  666.315460][ T1715] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  666.317268][ T1715] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  666.346965][ T1715] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 29ms
[  666.349244][ T1715] gfs2: fsid=syz:syz.0: jid=0: Done
[  666.350973][ T4008] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  666.434704][ T4008] gfs2: fsid=syz:syz.0: found 1 quota changes
[  858.102742][   T27] INFO: task syz-executor269:4007 blocked for more than 143 seconds.
[  858.104996][   T27]       Not tainted 5.15.123-syzkaller #0
[  858.106522][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  858.108714][   T27] task:syz-executor269 state:D stack:    0 pid: 4007 ppid:  4005 flags:0x0000000c
[  858.111118][   T27] Call trace:
[  858.111983][   T27]  __switch_to+0x308/0x5e8
[  858.113206][   T27]  __schedule+0xf10/0x1e38
[  858.114357][   T27]  schedule+0x11c/0x1c8
[  858.115399][   T27]  schedule_timeout+0x1d8/0x344
[  858.116646][   T27]  gfs2_gl_hash_clear+0x180/0x2f4
[  858.117904][   T27]  gfs2_put_super+0x5e4/0x684
[  858.119105][   T27]  generic_shutdown_super+0x130/0x29c
[  858.120495][   T27]  kill_block_super+0x70/0xdc
[  858.121708][   T27]  gfs2_kill_sb+0xc0/0xd4
[  858.122858][   T27]  deactivate_locked_super+0xb8/0x13c
[  858.124433][   T27]  deactivate_super+0x108/0x128
[  858.125692][   T27]  cleanup_mnt+0x3c0/0x474
[  858.126803][   T27]  __cleanup_mnt+0x20/0x30
[  858.127940][   T27]  task_work_run+0x130/0x1e4
[  858.129127][   T27]  do_notify_resume+0x262c/0x32b8
[  858.130422][   T27]  el0_svc+0xfc/0x1f0
[  858.131430][   T27]  el0t_64_sync_handler+0x84/0xe4
[  858.132734][   T27]  el0t_64_sync+0x1a0/0x1a4
[  858.133848][   T27] 
[  858.133848][   T27] Showing all locks held in the system:
[  858.135782][   T27] 1 lock held by khungtaskd/27:
[  858.137086][   T27]  #0: ffff800014ad19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  858.139427][   T27] 2 locks held by getty/3729:
[  858.140639][   T27]  #0: ffff0000d33b5098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  858.143182][   T27]  #1: ffff80001a38b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200
[  858.145862][   T27] 1 lock held by syz-executor269/4007:
[  858.147208][   T27]  #0: ffff0000ca0fc0e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: deactivate_super+0x100/0x128
[  858.149963][   T27] 
[  858.150564][   T27] =============================================
[  858.150564][   T27] 
[  858.152754][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  858.154562][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.123-syzkaller #0
[  858.156549][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[  858.159071][   T27] Call trace:
[  858.159896][   T27]  dump_backtrace+0x0/0x530
[  858.160992][   T27]  show_stack+0x2c/0x3c
[  858.162026][   T27]  dump_stack_lvl+0x108/0x170
[  858.163269][   T27]  dump_stack+0x1c/0x58
[  858.164332][   T27]  panic+0x304/0x8b4
[  858.165359][   T27]  hung_task_panic+0x0/0x2c
[  858.166503][   T27]  kthread+0x37c/0x45c
[  858.167596][   T27]  ret_from_fork+0x10/0x20
[  858.168778][   T27] SMP: stopping secondary CPUs
[  858.170054][   T27] Kernel Offset: disabled
[  858.171126][   T27] CPU features: 0x0,000081c1,21302e40
[  858.172489][   T27] Memory Limit: none
[  858.530406][   T27] Rebooting in 86400 seconds..