Warning: Permanently added '10.128.0.63' (ED25519) to the list of known hosts.
executing program
executing program
[ 286.615869][ T30] INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
[ 286.623837][ T30] Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0
[ 286.631600][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.640371][ T30] task:kworker/u8:0 state:D stack:23832 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 286.650864][ T30] Workqueue: events_unbound netfs_write_collection_worker
[ 286.658097][ T30] Call Trace:
[ 286.661388][ T30]
[ 286.664335][ T30] __schedule+0x17fb/0x4be0
[ 286.669008][ T30] ? __pfx___schedule+0x10/0x10
[ 286.673929][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.679049][ T30] ? schedule+0x90/0x320
[ 286.683447][ T30] ? wq_worker_sleeping+0x66/0x240
[ 286.688648][ T30] ? schedule+0x90/0x320
[ 286.692966][ T30] schedule+0x14b/0x320
[ 286.697194][ T30] bit_wait+0x12/0xd0
[ 286.701212][ T30] __wait_on_bit+0xb0/0x2f0
[ 286.705819][ T30] ? __pfx_bit_wait+0x10/0x10
[ 286.710624][ T30] out_of_line_wait_on_bit+0x1d5/0x260
[ 286.716263][ T30] ? __pfx_bit_wait+0x10/0x10
[ 286.721070][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 286.727125][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 286.732643][ T30] netfs_retry_writes+0x16e/0x19b0
[ 286.737832][ T30] ? __pfx_validate_chain+0x10/0x10
[ 286.743102][ T30] ? stack_trace_save+0x118/0x1d0
[ 286.748243][ T30] ? __pfx_netfs_retry_writes+0x10/0x10
[ 286.753832][ T30] ? lockdep_unlock+0x16a/0x300
[ 286.758790][ T30] netfs_write_collection_worker+0x2f90/0x3bb0
[ 286.765045][ T30] ? process_scheduled_works+0x976/0x1840
[ 286.770867][ T30] process_scheduled_works+0xa66/0x1840
[ 286.776526][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 286.782538][ T30] ? assign_work+0x364/0x3d0
[ 286.787193][ T30] worker_thread+0x870/0xd30
[ 286.791822][ T30] ? __kthread_parkme+0x169/0x1d0
[ 286.796930][ T30] ? __pfx_worker_thread+0x10/0x10
[ 286.802080][ T30] kthread+0x2f0/0x390
[ 286.806223][ T30] ? __pfx_worker_thread+0x10/0x10
[ 286.811384][ T30] ? __pfx_kthread+0x10/0x10
[ 286.816046][ T30] ret_from_fork+0x4b/0x80
[ 286.820488][ T30] ? __pfx_kthread+0x10/0x10
[ 286.825086][ T30] ret_from_fork_asm+0x1a/0x30
[ 286.829927][ T30]
[ 286.834259][ T30]
[ 286.834259][ T30] Showing all locks held in the system:
[ 286.842083][ T30] 2 locks held by kworker/u8:0/11:
[ 286.847254][ T30] #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840
[ 286.859084][ T30] #1: ffffc90000107d00 ((work_completion)(&rreq->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840
[ 286.870961][ T30] 1 lock held by khungtaskd/30:
[ 286.875884][ T30] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 286.885989][ T30] 2 locks held by getty/5582:
[ 286.890699][ T30] #0: ffff888035ac20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 286.900602][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 286.910835][ T30] 2 locks held by syz-executor325/5831:
[ 286.916474][ T30] #0: ffff88807eb68420 (sb_writers#9){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[ 286.926270][ T30] #1: ffff888073ec8148 (&sb->s_type->i_mutex_key#14){++++}-{4:4}, at: netfs_start_io_direct+0x1d4/0x210
[ 286.937635][ T30]
[ 286.939977][ T30] =============================================
[ 286.939977][ T30]
[ 286.948473][ T30] NMI backtrace for cpu 1
[ 286.952832][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0
[ 286.963001][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.973050][ T30] Call Trace:
[ 286.976332][ T30]
[ 286.979285][ T30] dump_stack_lvl+0x241/0x360
[ 286.984055][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 286.989256][ T30] ? __pfx__printk+0x10/0x10
[ 286.993852][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 286.998871][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.004336][ T30] ? _printk+0xd5/0x120
[ 287.008500][ T30] ? __pfx__printk+0x10/0x10
[ 287.013095][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.018028][ T30] ? __pfx__printk+0x10/0x10
[ 287.022639][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.028631][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.034642][ T30] watchdog+0xff6/0x1040
[ 287.038891][ T30] ? watchdog+0x1ea/0x1040
[ 287.043312][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.048013][ T30] kthread+0x2f0/0x390
[ 287.052104][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.056794][ T30] ? __pfx_kthread+0x10/0x10
[ 287.061501][ T30] ret_from_fork+0x4b/0x80
[ 287.066112][ T30] ? __pfx_kthread+0x10/0x10
[ 287.070727][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.075532][ T30]
[ 287.078732][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 287.084015][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30
[ 287.085003][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.100028][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0
[ 287.110232][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 287.120302][ T30] Call Trace:
[ 287.123589][ T30]
[ 287.126534][ T30] dump_stack_lvl+0x241/0x360
[ 287.131233][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 287.136273][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.141500][ T30] ? __pfx__printk+0x10/0x10
[ 287.146127][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.152125][ T30] ? vscnprintf+0x5d/0x90
[ 287.156471][ T30] panic+0x349/0x880
[ 287.160376][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.166552][ T30] ? __pfx_panic+0x10/0x10
[ 287.170982][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.176359][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.182527][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.188701][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.194905][ T30] watchdog+0x1035/0x1040
[ 287.199248][ T30] ? watchdog+0x1ea/0x1040
[ 287.203694][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.208381][ T30] kthread+0x2f0/0x390
[ 287.212461][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.217165][ T30] ? __pfx_kthread+0x10/0x10
[ 287.221765][ T30] ret_from_fork+0x4b/0x80
[ 287.226185][ T30] ? __pfx_kthread+0x10/0x10
[ 287.230783][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.235568][ T30]
[ 287.238953][ T30] Kernel Offset: disabled
[ 287.243281][ T30] Rebooting in 86400 seconds..