DUID 00:04:92:3d:a4:bf:d8:99:95:1d:d2:9f:0e:34:7d:20:a7:e6
forked to background, child pid 3172
[ 26.179096][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.189502][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.140800][ T1130] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts.
[ 716.138129][ T26] INFO: task syz-executor425:3625 can't die for more than 143 seconds.
[ 716.146600][ T26] task:syz-executor425 state:R running task stack:26840 pid: 3625 ppid: 3623 flags:0x00004006
[ 716.207989][ T26] Call Trace:
[ 716.211308][ T26]
[ 716.214255][ T26] __schedule+0xab2/0x4db0
[ 716.248066][ T26] ? __schedule+0xa27/0x4db0
[ 716.252716][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 716.257637][ T26] ? trace_tlb_flush+0x126/0x1b0
[ 716.297991][ T26] ? io_schedule_timeout+0x140/0x140
[ 716.303332][ T26] ? mark_held_locks+0x9f/0xe0
[ 716.337996][ T26] ? __schedule+0xab2/0x4db0
[ 716.342633][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 716.387998][ T26] ? alloc_pages+0x1aa/0x310
[ 716.392683][ T26] ? mark_held_locks+0x9f/0xe0
[ 716.397475][ T26] ? new_slab+0x295/0x400
[ 716.457987][ T26] ? find_held_lock+0x2d/0x110
[ 716.462803][ T26] ? lock_release+0x720/0x720
[ 716.467520][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 716.508000][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 716.512935][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 716.517868][ T26] ? kmem_cache_alloc_trace+0x3b/0x2c0
[ 716.558023][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 716.562943][ T26] ? io_openat2+0xbc0/0xbc0
[ 716.567463][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 716.617988][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 716.622908][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 716.658018][ T26] ? find_held_lock+0x2d/0x110
[ 716.662832][ T26] ? io_apoll_task_func+0x250/0x250
[ 716.688025][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 716.693831][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 716.718012][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 716.723078][ T26] ? find_held_lock+0x2d/0x110
[ 716.727867][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 716.788015][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 716.792917][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 716.797804][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 716.838015][ T26] ? do_syscall_64+0x35/0xb0
[ 716.842665][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 716.868094][ T26]
[ 716.871187][ T26] INFO: task syz-executor425:3630 can't die for more than 144 seconds.
[ 716.917988][ T26] task:syz-executor425 state:R running task stack:27280 pid: 3630 ppid: 3626 flags:0x00004006
[ 716.967989][ T26] Call Trace:
[ 716.971300][ T26]
[ 716.974244][ T26] __schedule+0xab2/0x4db0
[ 716.997993][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 717.003059][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 717.027988][ T26] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 717.034201][ T26] ? io_schedule_timeout+0x140/0x140
[ 717.077984][ T26] ? sysvec_apic_timer_interrupt+0x73/0xc0
[ 717.083856][ T26] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 717.118004][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 717.124045][ T26] ? find_held_lock+0x2d/0x110
[ 717.148014][ T26] ? find_held_lock+0x2d/0x110
[ 717.152836][ T26] ? __schedule+0xa27/0x4db0
[ 717.157451][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 717.188032][ T26] ? is_bpf_text_address+0x99/0x170
[ 717.193342][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 717.228005][ T26] ? kernel_text_address+0x39/0x80
[ 717.233219][ T26] ? __kernel_text_address+0x9/0x30
[ 717.258036][ T26] ? unwind_get_return_address+0x51/0x90
[ 717.263718][ T26] ? arch_stack_walk+0x93/0xe0
[ 717.297989][ T26] ? __schedule+0xab2/0x4db0
[ 717.302638][ T26] ? mark_lock+0xef/0x17b0
[ 717.307084][ T26] ? __alloc_pages+0x12f/0x500
[ 717.357994][ T26] ? filter_irq_stacks+0x90/0x90
[ 717.363035][ T26] ? kasan_save_stack+0x1e/0x40
[ 717.367904][ T26] ? kasan_save_stack+0x1e/0x40
[ 717.407994][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 717.413064][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 717.447988][ T26] ? do_syscall_64+0x35/0xb0
[ 717.452631][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 717.488004][ T26] ? __lock_acquire+0x162f/0x54d0
[ 717.493085][ T26] ? lock_acquire+0x1ef/0x510
[ 717.497786][ T26] ? lock_release+0x720/0x720
[ 717.528014][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 717.533537][ T26] ? rcu_read_lock_sched_held+0x3a/0x70
[ 717.568395][ T26] ? __list_add_valid+0x28/0xa0
[ 717.573347][ T26] ? io_issue_sqe+0x2019/0x72e0
[ 717.598041][ T26] ? io_openat2+0xbc0/0xbc0
[ 717.602590][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 717.607811][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 717.667997][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 717.673095][ T26] ? find_held_lock+0x2d/0x110
[ 717.677885][ T26] ? io_apoll_task_func+0x250/0x250
[ 717.718005][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 717.723773][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 717.778035][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 717.783129][ T26] ? find_held_lock+0x2d/0x110
[ 717.787936][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 717.823494][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 717.847998][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 717.852928][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 717.888003][ T26] ? do_syscall_64+0x35/0xb0
[ 717.892682][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 717.918020][ T26]
[ 717.921120][ T26] INFO: task syz-executor425:3631 can't die for more than 145 seconds.
[ 717.958038][ T26] task:syz-executor425 state:R running task stack:27312 pid: 3631 ppid: 3628 flags:0x00004006
[ 718.008388][ T26] Call Trace:
[ 718.011702][ T26]
[ 718.014640][ T26] __schedule+0xab2/0x4db0
[ 718.038031][ T26] ? irqentry_enter+0x28/0x50
[ 718.042775][ T26] preempt_schedule_irq+0x4e/0x90
[ 718.047818][ T26] ? irqentry_exit+0x31/0x80
[ 718.078046][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 718.084120][ T26] ? find_held_lock+0x2d/0x110
[ 718.108037][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 718.113555][ T26] ? fs_reclaim_acquire+0x115/0x160
[ 718.167988][ T26] ? kmem_cache_alloc_trace+0x20b/0x2c0
[ 718.173595][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 718.208073][ T26] ? io_openat2+0xbc0/0xbc0
[ 718.212630][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 718.217850][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 718.268004][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 718.273095][ T26] ? find_held_lock+0x2d/0x110
[ 718.277877][ T26] ? io_apoll_task_func+0x250/0x250
[ 718.348075][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 718.353856][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 718.388020][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 718.393121][ T26] ? find_held_lock+0x2d/0x110
[ 718.397904][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 718.423486][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 718.458091][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 718.463017][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 718.508162][ T26] ? do_syscall_64+0x35/0xb0
[ 718.512806][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 718.548021][ T26]
[ 718.551138][ T26] INFO: task syz-executor425:3632 can't die for more than 145 seconds.
[ 718.577981][ T26] task:syz-executor425 state:R running task stack:27312 pid: 3632 ppid: 3624 flags:0x00004006
[ 718.608010][ T26] Call Trace:
[ 718.611315][ T26]
[ 718.614253][ T26] __schedule+0xab2/0x4db0
[ 718.638023][ T26] ? lock_chain_count+0x20/0x20
[ 718.642930][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 718.647789][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 718.697986][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 718.703239][ T26] ? irqentry_exit+0x31/0x80
[ 718.707846][ T26] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 718.747995][ T26] ? lockdep_hardirqs_on+0x79/0x100
[ 718.753267][ T26] ? preempt_schedule_thunk+0x16/0x18
[ 718.797988][ T26] ? irqentry_enter+0x28/0x50
[ 718.802731][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 718.837990][ T26] ? unwind_next_frame+0xefa/0x1ce0
[ 718.843243][ T26] ? stack_trace_save+0x8c/0xc0
[ 718.868021][ T26] ? find_held_lock+0x2d/0x110
[ 718.872838][ T26] ? __schedule+0xa27/0x4db0
[ 718.877444][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 718.908006][ T26] ? kernel_text_address+0x39/0x80
[ 718.913171][ T26] ? __kernel_text_address+0x9/0x30
[ 718.938031][ T26] ? unwind_get_return_address+0x51/0x90
[ 718.943707][ T26] ? create_prof_cpu_mask+0x20/0x20
[ 718.997987][ T26] ? arch_stack_walk+0x93/0xe0
[ 719.002796][ T26] ? __schedule+0xab2/0x4db0
[ 719.007423][ T26] ? io_schedule_timeout+0x140/0x140
[ 719.038060][ T26] ? mark_held_locks+0x9f/0xe0
[ 719.042889][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 719.068054][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 719.073815][ T26] ? do_syscall_64+0x35/0xb0
[ 719.107992][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 719.114045][ T26] ? find_held_lock+0x2d/0x110
[ 719.148068][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 719.153586][ T26] ? rcu_read_lock_sched_held+0x3a/0x70
[ 719.178053][ T26] ? __kasan_kmalloc+0xa9/0xd0
[ 719.182860][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 719.187738][ T26] ? io_openat2+0xbc0/0xbc0
[ 719.217986][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 719.223239][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 719.258068][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 719.263154][ T26] ? find_held_lock+0x2d/0x110
[ 719.267933][ T26] ? io_apoll_task_func+0x250/0x250
[ 719.303223][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 719.338121][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 719.343899][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 719.377990][ T26] ? find_held_lock+0x2d/0x110
[ 719.382798][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 719.427987][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 719.432884][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 719.437769][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 719.477994][ T26] ? do_syscall_64+0x35/0xb0
[ 719.482641][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 719.518005][ T26]
[ 719.521086][ T26] INFO: task syz-executor425:3634 can't die for more than 146 seconds.
[ 719.557990][ T26] task:syz-executor425 state:R running task stack:27312 pid: 3634 ppid: 3629 flags:0x00004006
[ 719.597985][ T26] Call Trace:
[ 719.601295][ T26]
[ 719.604233][ T26] __schedule+0xab2/0x4db0
[ 719.627989][ T26] ? mark_held_locks+0x9f/0xe0
[ 719.632813][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 719.667990][ T26] ? __update_load_avg_se+0x41e/0xf00
[ 719.673427][ T26] ? find_held_lock+0x2d/0x110
[ 719.707995][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 719.713246][ T26] ? irqentry_exit+0x31/0x80
[ 719.717862][ T26] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 719.748006][ T26] ? find_held_lock+0x2d/0x110
[ 719.752825][ T26] ? __schedule+0xa27/0x4db0
[ 719.757436][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 719.808002][ T26] ? find_held_lock+0x2d/0x110
[ 719.812824][ T26] ? __schedule+0xa27/0x4db0
[ 719.817440][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 719.858000][ T26] ? stack_trace_save+0x8c/0xc0
[ 719.862916][ T26] ? __alloc_pages_slowpath.constprop.0+0x2080/0x2080
[ 719.898021][ T26] ? kasan_save_stack+0x1e/0x40
[ 719.902933][ T26] ? kasan_save_stack+0x1e/0x40
[ 719.907796][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 719.948011][ T26] ? preempt_schedule_irq+0x4e/0x90
[ 719.953255][ T26] ? irqentry_exit+0x31/0x80
[ 719.957866][ T26] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 719.988001][ T26] ? find_held_lock+0x2d/0x110
[ 719.992816][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 720.028020][ T26] ? __might_resched+0x1db/0x2c0
[ 720.033051][ T26] ? kmem_cache_alloc_trace+0x25d/0x2c0
[ 720.077992][ T26] ? __kasan_kmalloc+0x76/0xd0
[ 720.082807][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 720.087690][ T26] ? io_openat2+0xbc0/0xbc0
[ 720.128374][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 720.133630][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.157999][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 720.163079][ T26] ? find_held_lock+0x2d/0x110
[ 720.167868][ T26] ? io_apoll_task_func+0x250/0x250
[ 720.198012][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 720.203771][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 720.238396][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 720.243460][ T26] ? find_held_lock+0x2d/0x110
[ 720.268028][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 720.273537][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.317989][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.322908][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 720.358065][ T26] ? do_syscall_64+0x35/0xb0
[ 720.362707][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 720.388037][ T26]
[ 720.391107][ T26] INFO: task syz-executor425:3633 can't die for more than 147 seconds.
[ 720.418020][ T26] task:syz-executor425 state:R running task stack:27312 pid: 3633 ppid: 3627 flags:0x00004006
[ 720.467997][ T26] Call Trace:
[ 720.471303][ T26]
[ 720.474243][ T26] __schedule+0xab2/0x4db0
[ 720.498009][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 720.504120][ T26] ? stack_trace_save+0x8c/0xc0
[ 720.527988][ T26] ? filter_irq_stacks+0x90/0x90
[ 720.532972][ T26] ? __lock_acquire+0x162f/0x54d0
[ 720.557989][ T26] ? mark_held_locks+0x9f/0xe0
[ 720.562809][ T26] preempt_schedule_irq+0x4e/0x90
[ 720.567852][ T26] ? irqentry_exit+0x31/0x80
[ 720.617988][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 720.624043][ T26] ? find_held_lock+0x2d/0x110
[ 720.668001][ T26] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 720.673523][ T26] ? rcu_read_lock_sched_held+0x3a/0x70
[ 720.708023][ T26] ? __kasan_kmalloc+0xa9/0xd0
[ 720.712834][ T26] ? io_issue_sqe+0x20f4/0x72e0
[ 720.717712][ T26] ? io_openat2+0xbc0/0xbc0
[ 720.747989][ T26] ? percpu_ref_get_many+0xec/0x1f0
[ 720.753245][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.778001][ T26] ? io_submit_sqes+0x1044/0x8ba0
[ 720.783093][ T26] ? find_held_lock+0x2d/0x110
[ 720.787875][ T26] ? io_apoll_task_func+0x250/0x250
[ 720.828015][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 720.833781][ T26] ? __do_sys_io_uring_enter+0xf6e/0x1f50
[ 720.888000][ T26] ? io_submit_sqes+0x8ba0/0x8ba0
[ 720.893070][ T26] ? find_held_lock+0x2d/0x110
[ 720.897863][ T26] ? __context_tracking_exit+0xb8/0xe0
[ 720.938065][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.942970][ T26] ? lock_downgrade+0x6e0/0x6e0
[ 720.947852][ T26] ? syscall_enter_from_user_mode+0x21/0x70
[ 720.997999][ T26] ? do_syscall_64+0x35/0xb0
[ 721.002639][ T26] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 721.038009][ T26]
[ 721.041090][ T26]
[ 721.041090][ T26] Showing all locks held in the system:
[ 721.087996][ T26] 1 lock held by khungtaskd/26:
[ 721.092878][ T26] #0: ffffffff8bb83a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 721.138039][ T26] 3 locks held by kworker/u4:5/2394:
[ 721.143357][ T26] 2 locks held by getty/3271:
[ 721.168019][ T26] #0: ffff8880235c3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 721.177878][ T26] #1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230
[ 721.258005][ T26] 3 locks held by syz-executor425/3625:
[ 721.263583][ T26] 1 lock held by syz-executor425/3630:
[ 721.297991][ T26] 1 lock held by syz-executor425/3631:
[ 721.303483][ T26] 1 lock held by syz-executor425/3632:
[ 721.327991][ T26] 1 lock held by syz-executor425/3634:
[ 721.333474][ T26] 1 lock held by syz-executor425/3633:
[ 721.357991][ T26]
[ 721.360340][ T26] =============================================
[ 721.360340][ T26]
[ 721.408007][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 721.414927][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
[ 721.424302][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 721.434358][ T26] Call Trace:
[ 721.437633][ T26]
[ 721.440564][ T26] dump_stack_lvl+0xcd/0x134
[ 721.445243][ T26] panic+0x2b0/0x605
[ 721.449145][ T26] ? __warn_printk+0xf3/0xf3
[ 721.453747][ T26] ? watchdog.cold+0x1b9/0x1de
[ 721.458548][ T26] watchdog.cold+0x1ca/0x1de
[ 721.463157][ T26] ? trace_sched_process_hang+0x280/0x280
[ 721.468944][ T26] kthread+0x2e9/0x3a0
[ 721.473056][ T26] ? kthread_complete_and_exit+0x40/0x40
[ 721.478706][ T26] ret_from_fork+0x1f/0x30
[ 721.483157][ T26]
[ 721.486457][ T26] Kernel Offset: disabled
[ 721.490776][ T26] Rebooting in 86400 seconds..