DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05 forked to background, child pid 3171 [ 26.710509][ T3172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.721926][ T3172] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.134139][ T919] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.115' (ECDSA) to the list of known hosts. [ 716.132028][ T28] INFO: task syz-executor219:3624 can't die for more than 143 seconds. [ 716.140437][ T28] task:syz-executor219 state:R running task stack:27456 pid: 3624 ppid: 3622 flags:0x00004006 [ 716.191892][ T28] Call Trace: [ 716.195197][ T28] [ 716.198134][ T28] __schedule+0xa94/0x4910 [ 716.231890][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.237223][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.267414][ T28] ? kasan_save_stack+0x2e/0x40 [ 716.311896][ T28] ? ___slab_alloc+0x454/0xf30 [ 716.316775][ T28] ? alloc_pages+0x1aa/0x310 [ 716.321374][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.361884][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 716.367511][ T28] ? lock_acquire+0x458/0x510 [ 716.391918][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 716.397433][ T28] ? fs_reclaim_acquire+0xb2/0x160 [ 716.421910][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 716.427490][ T28] ? trace_kmalloc+0x32/0xf0 [ 716.461873][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 716.467370][ T28] ? io_issue_sqe+0x210c/0x7300 [ 716.501880][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 716.506678][ T28] ? io_issue_sqe+0x210c/0x7300 [ 716.511570][ T28] ? io_openat2+0xbc0/0xbc0 [ 716.551894][ T28] ? find_held_lock+0x2d/0x110 [ 716.556713][ T28] ? tctx_task_work+0x13a/0x1250 [ 716.561674][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.591897][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.596883][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 716.631914][ T28] ? tctx_task_work+0x19d/0x1250 [ 716.636897][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 716.641767][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 716.701969][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.706964][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.741877][ T28] ? task_work_run+0xdd/0x1a0 [ 716.746646][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 716.772335][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 716.778005][ T28] ? do_syscall_64+0x42/0xb0 [ 716.801939][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.808065][ T28] [ 716.831917][ T28] INFO: task syz-executor219:3629 can't die for more than 144 seconds. [ 716.840181][ T28] task:syz-executor219 state:R running task stack:27552 pid: 3629 ppid: 3625 flags:0x00004006 [ 716.901877][ T28] Call Trace: [ 716.905183][ T28] [ 716.908129][ T28] __schedule+0xa94/0x4910 [ 716.941902][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.947247][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.971877][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.977902][ T28] ? io_issue_sqe+0x210c/0x7300 [ 717.012344][ T28] ? __update_load_avg_se+0x41e/0xf00 [ 717.017820][ T28] ? find_held_lock+0x2d/0x110 [ 717.041926][ T28] ? preempt_schedule_irq+0x4e/0x90 [ 717.047163][ T28] ? irqentry_exit+0x31/0x80 [ 717.051760][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 717.092008][ T28] ? tctx_task_work+0x19d/0x1250 [ 717.096996][ T28] ? deref_stack_reg+0x150/0x150 [ 717.122319][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.128437][ T28] ? kernel_text_address+0xd/0x80 [ 717.171968][ T28] ? find_held_lock+0x2d/0x110 [ 717.176785][ T28] ? __schedule+0xa0c/0x4910 [ 717.181395][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.221876][ T28] ? trace_tlb_flush+0x126/0x1b0 [ 717.226907][ T28] ? switch_mm_irqs_off+0x626/0xa10 [ 717.251892][ T28] ? irqentry_enter+0x28/0x50 [ 717.256621][ T28] ? preempt_schedule_irq+0x4e/0x90 [ 717.261827][ T28] ? irqentry_exit+0x31/0x80 [ 717.296520][ T28] ? preempt_schedule_notrace_thunk+0x16/0x18 [ 717.342292][ T28] ? lock_acquire+0x1ab/0x510 [ 717.347021][ T28] ? find_held_lock+0x2d/0x110 [ 717.351802][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 717.377353][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 717.401873][ T28] ? trace_kmalloc+0x32/0xf0 [ 717.406535][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 717.411310][ T28] ? io_issue_sqe+0x210c/0x7300 [ 717.451886][ T28] ? io_openat2+0xbc0/0xbc0 [ 717.456439][ T28] ? find_held_lock+0x2d/0x110 [ 717.461225][ T28] ? tctx_task_work+0x13a/0x1250 [ 717.501957][ T28] ? mark_held_locks+0x9f/0xe0 [ 717.506771][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.511731][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 717.551875][ T28] ? tctx_task_work+0x19d/0x1250 [ 717.556863][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 717.561734][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 717.591897][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 717.596888][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 717.621908][ T28] ? task_work_run+0xdd/0x1a0 [ 717.626633][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 717.681905][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 717.687580][ T28] ? do_syscall_64+0x42/0xb0 [ 717.721878][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.728012][ T28] [ 717.731066][ T28] INFO: task syz-executor219:3630 can't die for more than 144 seconds. [ 717.771904][ T28] task:syz-executor219 state:R running task stack:27632 pid: 3630 ppid: 3627 flags:0x00004006 [ 717.812270][ T28] Call Trace: [ 717.815574][ T28] [ 717.818508][ T28] ? __lock_acquire+0xbca/0x56c0 [ 717.851883][ T28] ? irqentry_enter+0x28/0x50 [ 717.856611][ T28] ? io_schedule_timeout+0x140/0x140 [ 717.891922][ T28] ? __set_page_owner_handle+0x2c4/0x3e0 [ 717.897682][ T28] ? __set_page_owner_handle+0x2c4/0x3e0 [ 717.932292][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 717.937719][ T28] ? preempt_schedule_common+0x45/0xc0 [ 717.961880][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 717.967314][ T28] ? unwind_next_frame+0xefa/0x1ce0 [ 717.991884][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 717.996692][ T28] ? deref_stack_reg+0x150/0x150 [ 718.001647][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 718.031935][ T28] ? find_held_lock+0x2d/0x110 [ 718.036750][ T28] ? __schedule+0xa0c/0x4910 [ 718.041358][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.101886][ T28] ? stack_trace_save+0x8c/0xc0 [ 718.106792][ T28] ? filter_irq_stacks+0x90/0x90 [ 718.111760][ T28] ? kasan_save_stack+0x1e/0x40 [ 718.141927][ T28] ? preempt_schedule_irq+0x4e/0x90 [ 718.147161][ T28] ? irqentry_exit+0x31/0x80 [ 718.151762][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 718.191907][ T28] ? do_syscall_64+0x42/0xb0 [ 718.196553][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.251887][ T28] ? find_held_lock+0x2d/0x110 [ 718.256713][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 718.291960][ T28] ? fs_reclaim_acquire+0x115/0x160 [ 718.297204][ T28] ? kmem_cache_alloc_trace+0x40/0x3f0 [ 718.341879][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 718.347521][ T28] ? trace_kmalloc+0x32/0xf0 [ 718.381880][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 718.386690][ T28] ? io_issue_sqe+0x210c/0x7300 [ 718.391574][ T28] ? io_openat2+0xbc0/0xbc0 [ 718.421877][ T28] ? find_held_lock+0x2d/0x110 [ 718.426695][ T28] ? tctx_task_work+0x13a/0x1250 [ 718.431659][ T28] ? mark_held_locks+0x9f/0xe0 [ 718.461904][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.466903][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 718.511894][ T28] ? tctx_task_work+0x19d/0x1250 [ 718.516884][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 718.521759][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 718.581877][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 718.587313][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 718.631879][ T28] ? task_work_run+0xdd/0x1a0 [ 718.636611][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 718.661878][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 718.667553][ T28] ? do_syscall_64+0x42/0xb0 [ 718.691939][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.698065][ T28] [ 718.731874][ T28] INFO: task syz-executor219:3631 can't die for more than 145 seconds. [ 718.740174][ T28] task:syz-executor219 state:R running task stack:27432 pid: 3631 ppid: 3623 flags:0x00004006 [ 718.791988][ T28] Call Trace: [ 718.795307][ T28] [ 718.798254][ T28] ? __lock_acquire+0xbca/0x56c0 [ 718.821880][ T28] ? mark_lock.part.0+0xee/0x1910 [ 718.826963][ T28] ? hugetlb_cgroup_migrate+0x1310/0x1310 [ 718.851885][ T28] ? irqentry_exit+0x31/0x80 [ 718.856512][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 718.901875][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 718.907913][ T28] ? kvm_sched_clock_read+0x14/0x40 [ 718.951905][ T28] ? irqentry_exit+0x31/0x80 [ 718.956534][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 718.991911][ T28] ? lockdep_hardirqs_on+0x79/0x100 [ 718.997153][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 719.021883][ T28] ? preempt_schedule_common+0x45/0xc0 [ 719.027392][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 719.061907][ T28] ? lock_release+0x720/0x720 [ 719.066622][ T28] ? arch_stack_walk+0x5c/0xe0 [ 719.071422][ T28] ? unwind_next_frame+0xee1/0x1ce0 [ 719.111899][ T28] ? stack_trace_save+0x8c/0xc0 [ 719.116795][ T28] ? deref_stack_reg+0x150/0x150 [ 719.121752][ T28] ? stack_trace_save+0x8c/0xc0 [ 719.181870][ T28] ? kernel_text_address+0xd/0x80 [ 719.187386][ T28] ? __kernel_text_address+0x9/0x30 [ 719.222007][ T28] ? unwind_get_return_address+0x51/0x90 [ 719.227677][ T28] ? create_prof_cpu_mask+0x20/0x20 [ 719.261891][ T28] ? filter_irq_stacks+0x90/0x90 [ 719.266885][ T28] ? kasan_save_stack+0x2e/0x40 [ 719.291866][ T28] ? kasan_save_stack+0x1e/0x40 [ 719.296744][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 719.301511][ T28] ? io_issue_sqe+0x210c/0x7300 [ 719.341868][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 719.347909][ T28] ? __schedule+0xa94/0x4910 [ 719.371930][ T28] ? io_schedule_timeout+0x140/0x140 [ 719.377265][ T28] ? mark_held_locks+0x9f/0xe0 [ 719.401929][ T28] ? fs_reclaim_acquire+0xb2/0x160 [ 719.407070][ T28] ? find_held_lock+0x2d/0x110 [ 719.432010][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 719.437525][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 719.471896][ T28] ? trace_kmalloc+0x32/0xf0 [ 719.476529][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 719.481302][ T28] ? io_issue_sqe+0x210c/0x7300 [ 719.531886][ T28] ? io_openat2+0xbc0/0xbc0 [ 719.536433][ T28] ? find_held_lock+0x2d/0x110 [ 719.541216][ T28] ? tctx_task_work+0x13a/0x1250 [ 719.572386][ T28] ? mark_held_locks+0x9f/0xe0 [ 719.577192][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.601933][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 719.607085][ T28] ? tctx_task_work+0x19d/0x1250 [ 719.641873][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 719.646762][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 719.671870][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 719.676847][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 719.711947][ T28] ? task_work_run+0xdd/0x1a0 [ 719.716662][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 719.741938][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 719.747611][ T28] ? do_syscall_64+0x42/0xb0 [ 719.771903][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 719.778024][ T28] [ 719.811876][ T28] INFO: task syz-executor219:3632 can't die for more than 147 seconds. [ 719.820136][ T28] task:syz-executor219 state:R running task stack:27632 pid: 3632 ppid: 3626 flags:0x00004006 [ 719.871974][ T28] Call Trace: [ 719.875282][ T28] [ 719.878217][ T28] __schedule+0xa94/0x4910 [ 719.912289][ T28] ? __schedule+0xa94/0x4910 [ 719.916944][ T28] ? mark_held_locks+0x9f/0xe0 [ 719.921730][ T28] ? io_schedule_timeout+0x140/0x140 [ 719.971899][ T28] ? switch_mm_irqs_off+0x626/0xa10 [ 719.977156][ T28] ? __schedule+0xa94/0x4910 [ 719.981765][ T28] ? find_held_lock+0x2d/0x110 [ 720.031922][ T28] ? find_held_lock+0x2d/0x110 [ 720.036734][ T28] ? __schedule+0xa0c/0x4910 [ 720.041347][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 720.081875][ T28] ? arch_stack_walk+0x7d/0xe0 [ 720.086686][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 720.111949][ T28] ? stack_trace_save+0x8c/0xc0 [ 720.116855][ T28] ? kasan_save_stack+0x1e/0x40 [ 720.121712][ T28] ? kasan_save_stack+0x1e/0x40 [ 720.161872][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 720.168075][ T28] ? preempt_schedule_notrace_thunk+0x16/0x18 [ 720.231872][ T28] ? do_syscall_64+0x42/0xb0 [ 720.236516][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 720.267084][ T28] ? __lock_acquire+0x163e/0x56c0 [ 720.291896][ T28] ? find_held_lock+0x2d/0x110 [ 720.296705][ T28] ? kmem_cache_alloc_trace+0x48/0x3f0 [ 720.321888][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 720.327474][ T28] ? trace_kmalloc+0x32/0xf0 [ 720.351877][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 720.356675][ T28] ? io_issue_sqe+0x210c/0x7300 [ 720.361559][ T28] ? io_openat2+0xbc0/0xbc0 [ 720.401872][ T28] ? find_held_lock+0x2d/0x110 [ 720.406683][ T28] ? tctx_task_work+0x13a/0x1250 [ 720.411643][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.441869][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.446868][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 720.471877][ T28] ? tctx_task_work+0x19d/0x1250 [ 720.476859][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 720.481731][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 720.541883][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 720.546877][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 720.581876][ T28] ? task_work_run+0xdd/0x1a0 [ 720.586600][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 720.611870][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 720.617538][ T28] ? do_syscall_64+0x42/0xb0 [ 720.641873][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 720.648005][ T28] [ 720.681874][ T28] INFO: task syz-executor219:3633 can't die for more than 147 seconds. [ 720.690137][ T28] task:syz-executor219 state:R running task stack:27552 pid: 3633 ppid: 3628 flags:0x00004006 [ 720.742368][ T28] Call Trace: [ 720.745673][ T28] [ 720.748605][ T28] ? __lock_acquire+0xbca/0x56c0 [ 720.771903][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 720.777939][ T28] ? mark_held_locks+0x9f/0xe0 [ 720.801871][ T28] ? mark_lock.part.0+0xee/0x1910 [ 720.806948][ T28] ? find_held_lock+0x2d/0x110 [ 720.811734][ T28] ? is_bpf_text_address+0x77/0x170 [ 720.851882][ T28] ? find_held_lock+0x2d/0x110 [ 720.856700][ T28] ? __schedule+0xa0c/0x4910 [ 720.861314][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 720.911906][ T28] ? mark_lock.part.0+0xee/0x1910 [ 720.916986][ T28] ? kernel_text_address+0x39/0x80 [ 720.951898][ T28] ? __kernel_text_address+0x9/0x30 [ 720.957141][ T28] ? unwind_get_return_address+0x51/0x90 [ 720.991900][ T28] ? mark_lock.part.0+0xee/0x1910 [ 720.996987][ T28] ? lock_chain_count+0x20/0x20 [ 721.021877][ T28] ? __schedule+0xa94/0x4910 [ 721.026521][ T28] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 721.071901][ T28] ? io_schedule_timeout+0x140/0x140 [ 721.077262][ T28] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 721.131922][ T28] ? preempt_schedule_irq+0x4e/0x90 [ 721.137257][ T28] ? irqentry_exit+0x31/0x80 [ 721.171958][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 721.177376][ T28] ? preempt_schedule_common+0x45/0xc0 [ 721.211888][ T28] ? __update_load_avg_se+0x41e/0xf00 [ 721.217327][ T28] ? find_held_lock+0x2d/0x110 [ 721.241876][ T28] ? deref_stack_reg+0x150/0x150 [ 721.246864][ T28] ? stack_trace_save+0x8c/0xc0 [ 721.251741][ T28] ? kernel_text_address+0xd/0x80 [ 721.281897][ T28] ? __schedule+0xa0c/0x4910 [ 721.286535][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.291405][ T28] ? trace_tlb_flush+0x126/0x1b0 [ 721.331876][ T28] ? find_held_lock+0x2d/0x110 [ 721.336713][ T28] ? filter_irq_stacks+0x90/0x90 [ 721.341668][ T28] ? __stack_depot_save+0x35/0x500 [ 721.381875][ T28] ? irqentry_enter+0x28/0x50 [ 721.386609][ T28] ? preempt_schedule_irq+0x4e/0x90 [ 721.391821][ T28] ? irqentry_exit+0x31/0x80 [ 721.431886][ T28] ? task_work_run+0xdd/0x1a0 [ 721.436598][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 721.462282][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 721.467959][ T28] ? do_syscall_64+0x42/0xb0 [ 721.491890][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.498010][ T28] ? find_held_lock+0x2d/0x110 [ 721.521898][ T28] ? io_issue_sqe+0x210c/0x7300 [ 721.526808][ T28] ? io_issue_sqe+0x210c/0x7300 [ 721.531683][ T28] ? __slab_alloc.constprop.0+0x4d/0xa0 [ 721.571871][ T28] ? rcu_read_lock_sched_held+0x3a/0x70 [ 721.577457][ T28] ? trace_kmalloc+0x32/0xf0 [ 721.601869][ T28] ? kmem_cache_alloc_trace+0x40/0x3f0 [ 721.607492][ T28] ? io_issue_sqe+0x210c/0x7300 [ 721.641907][ T28] ? __kasan_kmalloc+0xa9/0xd0 [ 721.646716][ T28] ? io_issue_sqe+0x210c/0x7300 [ 721.651606][ T28] ? io_openat2+0xbc0/0xbc0 [ 721.711934][ T28] ? find_held_lock+0x2d/0x110 [ 721.716757][ T28] ? tctx_task_work+0x13a/0x1250 [ 721.721725][ T28] ? mark_held_locks+0x9f/0xe0 [ 721.751940][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.756938][ T28] ? io_req_task_submit+0xd2/0x7e0 [ 721.811881][ T28] ? tctx_task_work+0x19d/0x1250 [ 721.816882][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 721.821753][ T28] ? __io_submit_flush_completions+0x8f0/0x8f0 [ 721.871868][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 721.876861][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.901875][ T28] ? task_work_run+0xdd/0x1a0 [ 721.906605][ T28] ? exit_to_user_mode_prepare+0x256/0x290 [ 721.931881][ T28] ? syscall_exit_to_user_mode+0x19/0x60 [ 721.937562][ T28] ? do_syscall_64+0x42/0xb0 [ 721.981882][ T28] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.988014][ T28] [ 721.991067][ T28] [ 721.991067][ T28] Showing all locks held in the system: [ 722.021921][ T28] 1 lock held by khungtaskd/28: [ 722.026793][ T28] #0: ffffffff8bd858e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 722.071925][ T28] 2 locks held by getty/3274: [ 722.076628][ T28] #0: ffff88814904b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 722.121899][ T28] #1: ffffc90002e532e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 [ 722.161875][ T28] 1 lock held by syz-executor219/3624: [ 722.167353][ T28] 3 locks held by syz-executor219/3629: [ 722.201867][ T28] 3 locks held by syz-executor219/3630: [ 722.207437][ T28] 2 locks held by syz-executor219/3631: [ 722.241869][ T28] 1 lock held by syz-executor219/3632: [ 722.247354][ T28] 1 lock held by syz-executor219/3633: [ 722.271875][ T28] [ 722.274216][ T28] ============================================= [ 722.274216][ T28] [ 722.321881][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 722.328815][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.17.0-rc6-next-20220303-syzkaller #0 [ 722.338197][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.348252][ T28] Call Trace: [ 722.351532][ T28] [ 722.354467][ T28] dump_stack_lvl+0xcd/0x134 [ 722.359131][ T28] panic+0x2d7/0x636 [ 722.363040][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b [ 722.369048][ T28] ? watchdog.cold+0x1b9/0x1de [ 722.373849][ T28] watchdog.cold+0x1ca/0x1de [ 722.378521][ T28] ? trace_sched_process_hang+0x280/0x280 [ 722.384277][ T28] kthread+0x2e9/0x3a0 [ 722.388398][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 722.394051][ T28] ret_from_fork+0x1f/0x30 [ 722.398495][ T28] [ 722.401805][ T28] Kernel Offset: disabled [ 722.406129][ T28] Rebooting in 86400 seconds..