Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 287.325952][ T30] INFO: task kworker/u8:2:33 blocked for more than 143 seconds.
[ 287.333835][ T30] Not tainted 6.13.0-rc6-next-20250107-syzkaller #0
[ 287.341442][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.350234][ T30] task:kworker/u8:2 state:D stack:19696 pid:33 tgid:33 ppid:2 flags:0x00004000
[ 287.360551][ T30] Workqueue: events_unbound netfs_write_collection_worker
[ 287.367844][ T30] Call Trace:
[ 287.371153][ T30]
[ 287.374122][ T30] __schedule+0x18f6/0x4cd0
[ 287.378752][ T30] ? __pfx___schedule+0x10/0x10
[ 287.383656][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.388961][ T30] ? schedule+0x90/0x320
[ 287.393270][ T30] ? wq_worker_sleeping+0x66/0x240
[ 287.398575][ T30] ? schedule+0x90/0x320
[ 287.402859][ T30] schedule+0x14b/0x320
[ 287.407128][ T30] bit_wait+0x12/0xd0
[ 287.411141][ T30] __wait_on_bit+0xb0/0x2f0
[ 287.415761][ T30] ? __pfx_bit_wait+0x10/0x10
[ 287.420517][ T30] out_of_line_wait_on_bit+0x1d5/0x260
[ 287.426127][ T30] ? __pfx_bit_wait+0x10/0x10
[ 287.430867][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 287.436939][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 287.442445][ T30] netfs_retry_writes+0x16e/0x19b0
[ 287.447672][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.452940][ T30] ? stack_trace_save+0x118/0x1d0
[ 287.458094][ T30] ? __pfx_netfs_retry_writes+0x10/0x10
[ 287.463689][ T30] ? lockdep_unlock+0x16a/0x300
[ 287.468654][ T30] netfs_write_collection_worker+0x2f90/0x3bb0
[ 287.474894][ T30] ? process_scheduled_works+0x976/0x1840
[ 287.480717][ T30] process_scheduled_works+0xa66/0x1840
[ 287.486400][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 287.492450][ T30] ? assign_work+0x364/0x3d0
[ 287.497152][ T30] worker_thread+0x870/0xd30
[ 287.501795][ T30] ? __kthread_parkme+0x169/0x1d0
[ 287.506955][ T30] ? __pfx_worker_thread+0x10/0x10
[ 287.512103][ T30] kthread+0x7a9/0x920
[ 287.516261][ T30] ? __pfx_kthread+0x10/0x10
[ 287.520895][ T30] ? __pfx_worker_thread+0x10/0x10
[ 287.526137][ T30] ? __pfx_kthread+0x10/0x10
[ 287.531112][ T30] ? __pfx_kthread+0x10/0x10
[ 287.535784][ T30] ? __pfx_kthread+0x10/0x10
[ 287.540409][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.545711][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.550946][ T30] ? __pfx_kthread+0x10/0x10
[ 287.555554][ T30] ret_from_fork+0x4b/0x80
[ 287.560185][ T30] ? __pfx_kthread+0x10/0x10
[ 287.564802][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.569704][ T30]
[ 287.574003][ T30]
[ 287.574003][ T30] Showing all locks held in the system:
[ 287.581872][ T30] 1 lock held by khungtaskd/30:
[ 287.586912][ T30] #0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.597007][ T30] 2 locks held by kworker/u8:2/33:
[ 287.602342][ T30] #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840
[ 287.614169][ T30] #1: ffffc90000a97c60 ((work_completion)(&rreq->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840
[ 287.626121][ T30] 1 lock held by klogd/5196:
[ 287.630732][ T30] #0: ffff8880b873e958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 287.640786][ T30] 2 locks held by getty/5595:
[ 287.645486][ T30] #0: ffff88803598a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.655413][ T30] #1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.665699][ T30] 2 locks held by syz-executor286/5854:
[ 287.671267][ T30] #0: ffff888034c86420 (sb_writers#9){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[ 287.681050][ T30] #1: ffff8880770c0e28 (&sb->s_type->i_mutex_key#15){++++}-{4:4}, at: netfs_start_io_direct+0x1d4/0x210
[ 287.692426][ T30]
[ 287.694755][ T30] =============================================
[ 287.694755][ T30]
[ 287.703245][ T30] NMI backtrace for cpu 0
[ 287.703270][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0
[ 287.703291][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.703303][ T30] Call Trace:
[ 287.703313][ T30]
[ 287.703323][ T30] dump_stack_lvl+0x241/0x360
[ 287.703352][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.703373][ T30] ? __pfx__printk+0x10/0x10
[ 287.703409][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.703442][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.703468][ T30] ? _printk+0xd5/0x120
[ 287.703497][ T30] ? __pfx__printk+0x10/0x10
[ 287.703526][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.703550][ T30] ? __pfx__printk+0x10/0x10
[ 287.703582][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.703606][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.703640][ T30] watchdog+0xff6/0x1040
[ 287.703667][ T30] ? watchdog+0x1ea/0x1040
[ 287.703698][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.703725][ T30] kthread+0x7a9/0x920
[ 287.703752][ T30] ? __pfx_kthread+0x10/0x10
[ 287.703782][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.703809][ T30] ? __pfx_kthread+0x10/0x10
[ 287.703835][ T30] ? __pfx_kthread+0x10/0x10
[ 287.703866][ T30] ? __pfx_kthread+0x10/0x10
[ 287.703892][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.703923][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.703944][ T30] ? __pfx_kthread+0x10/0x10
[ 287.703974][ T30] ret_from_fork+0x4b/0x80
[ 287.704001][ T30] ? __pfx_kthread+0x10/0x10
[ 287.704030][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.704068][ T30]
[ 287.704076][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 287.868505][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30
[ 287.869697][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.869716][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0
[ 287.869740][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.869754][ T30] Call Trace:
[ 287.869764][ T30]
[ 287.869775][ T30] dump_stack_lvl+0x241/0x360
[ 287.869805][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.869829][ T30] ? __pfx__printk+0x10/0x10
[ 287.869861][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.869899][ T30] ? vscnprintf+0x5d/0x90
[ 287.869933][ T30] panic+0x349/0x880
[ 287.869968][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.870004][ T30] ? __pfx_panic+0x10/0x10
[ 287.870041][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.870073][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.870114][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.870151][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.870188][ T30] watchdog+0x1035/0x1040
[ 287.870218][ T30] ? watchdog+0x1ea/0x1040
[ 287.870251][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.870279][ T30] kthread+0x7a9/0x920
[ 287.870308][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870340][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.870368][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870397][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870431][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870458][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.870492][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.870514][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870545][ T30] ret_from_fork+0x4b/0x80
[ 287.870573][ T30] ? __pfx_kthread+0x10/0x10
[ 287.870604][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.870644][ T30]
[ 288.046550][ T30] Kernel Offset: disabled
[ 288.050909][ T30] Rebooting in 86400 seconds..