Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts.
executing program
[ 129.641247][ T4186] loop0: detected capacity change from 0 to 32768
[ 129.764755][ T4186] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 129.773232][ T4186] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 129.791242][ T4186] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 129.802469][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 129.809422][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 129.849927][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 40ms
[ 129.858132][ T7] gfs2: fsid=syz:syz.0: jid=0: Done
[ 129.863856][ T4186] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 286.251149][ T27] INFO: task syz-executor214:4185 blocked for more than 143 seconds.
[ 286.259601][ T27] Not tainted 5.15.180-syzkaller #0
[ 286.265484][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.274240][ T27] task:syz-executor214 state:D stack:25176 pid: 4185 ppid: 4183 flags:0x00004002
[ 286.283586][ T27] Call Trace:
[ 286.286905][ T27]
[ 286.290017][ T27] __schedule+0x12c4/0x45b0
[ 286.294590][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 286.300595][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.306547][ T27] ? __mod_timer+0xa8e/0xeb0
[ 286.311404][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.317364][ T27] ? mod_timer_pending+0x20/0x20
[ 286.322423][ T27] ? lockdep_softirqs_off+0x420/0x420
[ 286.327987][ T27] schedule+0x11b/0x1f0
[ 286.332252][ T27] schedule_timeout+0x1b9/0x300
[ 286.337135][ T27] ? console_conditional_schedule+0x40/0x40
[ 286.343198][ T27] ? update_process_times+0x200/0x200
[ 286.348702][ T27] ? prepare_to_wait_event+0x3aa/0x3e0
[ 286.354292][ T27] gfs2_gl_hash_clear+0x1a1/0x310
[ 286.359361][ T27] ? thaw_glock+0x160/0x160
[ 286.363966][ T27] ? gfs2_jindex_free+0x495/0x4f0
[ 286.369024][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.374015][ T27] ? gfs2_setbit+0x630/0x630
[ 286.378825][ T27] gfs2_put_super+0x752/0x7c0
[ 286.383791][ T27] ? gfs2_evict_inode+0x1320/0x1320
[ 286.389046][ T27] generic_shutdown_super+0x130/0x310
[ 286.394627][ T27] kill_block_super+0x7a/0xe0
[ 286.399484][ T27] deactivate_locked_super+0xa0/0x110
[ 286.405054][ T27] cleanup_mnt+0x44e/0x500
[ 286.409617][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.414921][ T27] task_work_run+0x129/0x1a0
[ 286.419553][ T27] exit_to_user_mode_loop+0x106/0x130
[ 286.425021][ T27] exit_to_user_mode_prepare+0xb1/0x140
[ 286.430645][ T27] syscall_exit_to_user_mode+0x5d/0x240
[ 286.436314][ T27] do_syscall_64+0x47/0xb0
[ 286.440816][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.445527][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.451488][ T27] RIP: 0033:0x7f68bfd92c07
[ 286.455928][ T27] RSP: 002b:00007ffc7fa1ada8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 286.464569][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f68bfd92c07
[ 286.472623][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc7fa1ae60
[ 286.480661][ T27] RBP: 00007ffc7fa1ae60 R08: 0000000000000000 R09: 0000000000000000
[ 286.488675][ T27] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc7fa1bed0
[ 286.496729][ T27] R13: 00005555717d27c0 R14: 431bde82d7b634db R15: 00007ffc7fa1bef0
[ 286.504795][ T27]
[ 286.507831][ T27]
[ 286.507831][ T27] Showing all locks held in the system:
[ 286.515623][ T27] 1 lock held by khungtaskd/27:
[ 286.520543][ T27] #0: ffffffff8cb1f560 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.529923][ T27] 2 locks held by getty/3925:
[ 286.534656][ T27] #0: ffff88814d0c1098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.544503][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.554709][ T27] 1 lock held by syz-executor214/4185:
[ 286.560258][ T27] #0: ffff88807cd540e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0
[ 286.571075][ T27]
[ 286.573426][ T27] =============================================
[ 286.573426][ T27]
[ 286.582299][ T27] NMI backtrace for cpu 1
[ 286.586661][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[ 286.594637][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.604688][ T27] Call Trace:
[ 286.607959][ T27]
[ 286.610882][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.615569][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.621328][ T27] ? panic+0x860/0x860
[ 286.625419][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.630541][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.635657][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.640539][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.646776][ T27] ? _printk+0xd1/0x120
[ 286.651028][ T27] ? panic+0x860/0x860
[ 286.655189][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.660046][ T27] ? panic+0x860/0x860
[ 286.664140][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.669187][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.675273][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.681357][ T27] watchdog+0xe72/0xeb0
[ 286.685548][ T27] kthread+0x3f6/0x4f0
[ 286.689638][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.694676][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.699278][ T27] ret_from_fork+0x1f/0x30
[ 286.703709][ T27]
[ 286.706874][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.712156][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 286.713136][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.727857][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[ 286.735828][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.745873][ T27] Call Trace:
[ 286.749144][ T27]
[ 286.752076][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.756785][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.762433][ T27] ? panic+0x860/0x860
[ 286.766507][ T27] panic+0x318/0x860
[ 286.770408][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.776581][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.781797][ T27] ? panic+0x860/0x860
[ 286.785860][ T27] ? irq_work_queue+0xcd/0x150
[ 286.790618][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.796678][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.802737][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.808802][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[ 286.814953][ T27] watchdog+0xeb0/0xeb0
[ 286.819117][ T27] kthread+0x3f6/0x4f0
[ 286.823193][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.828217][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.832800][ T27] ret_from_fork+0x1f/0x30
[ 286.837234][ T27]
[ 286.840570][ T27] Kernel Offset: disabled
[ 286.844921][ T27] Rebooting in 86400 seconds..