DUID 00:04:9f:e8:07:f9:ba:36:1f:d4:05:68:5a:d1:6a:7f:90:cd forked to background, child pid 3172 [ 20.138013][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.147263][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.235042][ T917] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.104' (ECDSA) to the list of known hosts. executing program [ 496.557156][ T3625] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 496.564301][ T3625] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 496.571476][ T3625] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 496.578930][ T3625] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 496.586363][ T3625] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 496.593479][ T3625] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 498.634692][ T22] Bluetooth: hci0: command 0x0409 tx timeout [ 500.714667][ T141] Bluetooth: hci0: command 0x041b tx timeout [ 502.794709][ T141] Bluetooth: hci0: command 0x040f tx timeout [ 504.874722][ T141] Bluetooth: hci0: command 0x0419 tx timeout [ 506.954703][ T141] Bluetooth: hci0: command 0x0405 tx timeout [ 621.034744][ T22] Bluetooth: hci0: command 0x0406 tx timeout [ 716.234782][ T28] INFO: task krfcommd:2705 blocked for more than 143 seconds. [ 716.242256][ T28] Tainted: G W 5.17.0-syzkaller-10752-g52d543b5497c #0 [ 716.251072][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.259768][ T28] task:krfcommd state:D stack:29176 pid: 2705 ppid: 2 flags:0x00004000 [ 716.269018][ T28] Call Trace: [ 716.272289][ T28] [ 716.275245][ T28] __schedule+0x937/0x1090 [ 716.279766][ T28] ? __sched_text_start+0x8/0x8 [ 716.284593][ T28] ? __mutex_trylock_common+0xb3/0x300 [ 716.290137][ T28] ? __might_sleep+0xe0/0xe0 [ 716.294826][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 716.300016][ T28] schedule+0xeb/0x1b0 [ 716.304065][ T28] schedule_preempt_disabled+0xf/0x20 [ 716.309442][ T28] __mutex_lock_common+0xd1f/0x2590 [ 716.314664][ T28] ? rfcomm_process_sessions+0x21/0x3f0 [ 716.320260][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 716.325469][ T28] ? __mutex_unlock_slowpath+0x244/0x7d0 [ 716.331094][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 716.337012][ T28] mutex_lock_nested+0x1a/0x20 [ 716.341772][ T28] rfcomm_process_sessions+0x21/0x3f0 [ 716.347245][ T28] rfcomm_run+0x195/0x2c0 [ 716.351569][ T28] ? rfcomm_security_cfm+0x630/0x630 [ 716.356895][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 716.362781][ T28] ? wait_woken+0x1b0/0x1b0 [ 716.367360][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 716.373268][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 716.378411][ T28] ? __kthread_parkme+0x166/0x1c0 [ 716.383511][ T28] kthread+0x2a3/0x2d0 [ 716.387624][ T28] ? rfcomm_security_cfm+0x630/0x630 [ 716.392905][ T28] ? kthread_blkcg+0xd0/0xd0 [ 716.397545][ T28] ret_from_fork+0x1f/0x30 [ 716.402043][ T28] [ 716.405126][ T28] INFO: task syz-executor646:3629 blocked for more than 143 seconds. [ 716.413175][ T28] Tainted: G W 5.17.0-syzkaller-10752-g52d543b5497c #0 [ 716.421896][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.430597][ T28] task:syz-executor646 state:D stack:26552 pid: 3629 ppid: 3623 flags:0x00004006 [ 716.439867][ T28] Call Trace: [ 716.443164][ T28] [ 716.446117][ T28] __schedule+0x937/0x1090 [ 716.450534][ T28] ? __sched_text_start+0x8/0x8 [ 716.455448][ T28] ? __local_bh_enable_ip+0x163/0x1f0 [ 716.460887][ T28] ? trace_lock_acquire+0x59/0x190 [ 716.466052][ T28] ? __lock_sock+0x1ca/0x330 [ 716.470718][ T28] ? _local_bh_enable+0xa0/0xa0 [ 716.475621][ T28] schedule+0xeb/0x1b0 [ 716.479690][ T28] __lock_sock+0x1cf/0x330 [ 716.484090][ T28] ? sk_page_frag_refill+0x2f0/0x2f0 [ 716.489405][ T28] ? wake_bit_function+0x230/0x230 [ 716.494514][ T28] ? __rwlock_init+0x140/0x140 [ 716.499306][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 716.504500][ T28] lock_sock_nested+0x9f/0x100 [ 716.509307][ T28] rfcomm_sk_state_change+0x63/0x300 [ 716.514591][ T28] __rfcomm_dlc_close+0x2cc/0x480 [ 716.519678][ T28] rfcomm_dlc_close+0x10d/0x1c0 [ 716.524522][ T28] __rfcomm_sock_close+0x101/0x220 [ 716.529656][ T28] rfcomm_sock_shutdown+0xa5/0x220 [ 716.534787][ T28] rfcomm_sock_release+0x55/0x120 [ 716.539794][ T28] sock_close+0xd8/0x260 [ 716.544013][ T28] ? sock_mmap+0x90/0x90 [ 716.548263][ T28] __fput+0x3fc/0x870 [ 716.552290][ T28] task_work_run+0x146/0x1c0 [ 716.557095][ T28] do_exit+0x5e3/0x20f0 [ 716.561257][ T28] ? get_signal+0x16f8/0x2330 [ 716.566127][ T28] ? mm_update_next_owner+0x6d0/0x6d0 [ 716.571569][ T28] ? __lock_acquire+0x2b00/0x2b00 [ 716.576776][ T28] ? rcu_read_lock_sched_held+0x5f/0x130 [ 716.582459][ T28] ? print_irqtrace_events+0x220/0x220 [ 716.587948][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 716.593075][ T28] do_group_exit+0x2af/0x2b0 [ 716.597701][ T28] get_signal+0x1831/0x2330 [ 716.602206][ T28] ? ptrace_notify+0x340/0x340 [ 716.606990][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 716.612206][ T28] arch_do_signal_or_restart+0x9c/0x730 [ 716.617828][ T28] ? __sys_connect_file+0x170/0x170 [ 716.623015][ T28] ? get_sigframe_size+0x10/0x10 [ 716.627971][ T28] ? exit_to_user_mode_prepare+0x102/0x200 [ 716.633837][ T28] exit_to_user_mode_prepare+0x165/0x200 [ 716.639563][ T28] ? trace_irq_disable_rcuidle+0x11/0x170 [ 716.645399][ T28] syscall_exit_to_user_mode+0x2e/0x70 [ 716.650858][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.656786][ T28] RIP: 0033:0x7f8bff8091b9 [ 716.661193][ T28] RSP: 002b:00007ffc39117598 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 716.669616][ T28] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f8bff8091b9 [ 716.677616][ T28] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 716.685607][ T28] RBP: 0000000000000003 R08: 000000ff00000001 R09: 000000ff00000001 [ 716.693567][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555572362b8 [ 716.701577][ T28] R13: 0000000000000072 R14: 00007ffc391175f0 R15: 0000000000000003 [ 716.709564][ T28] [ 716.712567][ T28] INFO: lockdep is turned off. [ 716.717375][ T28] NMI backtrace for cpu 0 [ 716.721687][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-10752-g52d543b5497c #0 [ 716.732588][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.742614][ T28] Call Trace: [ 716.745868][ T28] [ 716.748774][ T28] dump_stack_lvl+0x1dc/0x2d8 [ 716.753479][ T28] ? show_regs_print_info+0x12/0x12 [ 716.758652][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 716.764363][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 716.769710][ T28] nmi_cpu_backtrace+0x45f/0x490 [ 716.774659][ T28] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 716.780796][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 716.786495][ T28] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 716.792374][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 716.798463][ T28] nmi_trigger_cpumask_backtrace+0x16a/0x280 [ 716.804425][ T28] watchdog+0xc82/0xcd0 [ 716.808594][ T28] kthread+0x2a3/0x2d0 [ 716.812643][ T28] ? hungtask_pm_notify+0x50/0x50 [ 716.817647][ T28] ? kthread_blkcg+0xd0/0xd0 [ 716.822216][ T28] ret_from_fork+0x1f/0x30 [ 716.826635][ T28] [ 716.829695][ T28] Sending NMI from CPU 0 to CPUs 1: [ 716.834915][ C1] NMI backtrace for cpu 1 [ 716.834925][ C1] CPU: 1 PID: 45 Comm: kworker/u4:2 Tainted: G W 5.17.0-syzkaller-10752-g52d543b5497c #0 [ 716.834946][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.834954][ C1] Workqueue: events_unbound toggle_allocation_gate [ 716.835022][ C1] RIP: 0010:rcu_read_lock_sched_held+0xa/0x130 [ 716.835041][ C1] Code: e9 2b fd 20 00 66 2e 0f 1f 84 00 00 00 00 00 90 e9 db ff 20 00 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 54 <53> 48 83 e4 e0 48 83 ec 60 65 48 8b 04 25 28 00 00 00 48 89 44 24 [ 716.835052][ C1] RSP: 0018:ffffc90000b67790 EFLAGS: 00000282 [ 716.835063][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8167654b [ 716.835072][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e209ea8 [ 716.835081][ C1] RBP: ffffc90000b677a8 R08: dffffc0000000000 R09: fffffbfff1c413d6 [ 716.835092][ C1] R10: fffffbfff1c413d6 R11: 0000000000000000 R12: 0000000000000000 [ 716.835100][ C1] R13: 1ffff9200016cf08 R14: 0000000000000000 R15: dffffc0000000000 [ 716.835110][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 716.835122][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.835131][ C1] CR2: 0000556998154680 CR3: 000000000ca8e000 CR4: 00000000003506e0 [ 716.835144][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.835152][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.835160][ C1] Call Trace: [ 716.835164][ C1] [ 716.835170][ C1] trace_lock_acquire+0x59/0x190 [ 716.835186][ C1] lock_acquire+0xa5/0x4d0 [ 716.835198][ C1] ? arch_jump_label_transform_apply+0xe/0x20 [ 716.835235][ C1] ? read_lock_is_recursive+0x10/0x10 [ 716.835250][ C1] ? __might_sleep+0xe0/0xe0 [ 716.835266][ C1] ? insn_decode+0x335/0x4c0 [ 716.835305][ C1] __mutex_lock_common+0x1d5/0x2590 [ 716.835320][ C1] ? arch_jump_label_transform_apply+0xe/0x20 [ 716.835336][ C1] ? mutex_unlock+0x10/0x10 [ 716.835349][ C1] ? arch_jump_label_transform_apply+0xe/0x20 [ 716.835363][ C1] ? mutex_lock_io_nested+0x60/0x60 [ 716.835379][ C1] ? arch_jump_label_transform_queue+0x7c/0xd0 [ 716.835393][ C1] ? __jump_label_update+0x32c/0x350 [ 716.835435][ C1] mutex_lock_nested+0x1a/0x20 [ 716.835448][ C1] arch_jump_label_transform_apply+0xe/0x20 [ 716.835461][ C1] static_key_disable_cpuslocked+0xcc/0x1b0 [ 716.835476][ C1] static_key_disable+0x16/0x20 [ 716.835489][ C1] toggle_allocation_gate+0x3c8/0x460 [ 716.835502][ C1] ? show_object+0xa0/0xa0 [ 716.835513][ C1] ? do_raw_spin_unlock+0x134/0x8a0 [ 716.835527][ C1] ? __lock_acquire+0x2b00/0x2b00 [ 716.835541][ C1] ? rcu_read_lock_sched_held+0x5f/0x130 [ 716.835554][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 716.835568][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 716.835585][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.835600][ C1] process_one_work+0x83c/0x11a0 [ 716.835622][ C1] ? worker_detach_from_pool+0x260/0x260 [ 716.835638][ C1] ? _raw_spin_lock_irqsave+0x120/0x120 [ 716.835652][ C1] ? kthread_data+0x4d/0xc0 [ 716.835665][ C1] ? wq_worker_running+0x95/0x190 [ 716.835679][ C1] worker_thread+0xa6c/0x1290 [ 716.835697][ C1] ? _raw_spin_unlock+0x40/0x40 [ 716.835715][ C1] kthread+0x2a3/0x2d0 [ 716.835727][ C1] ? rcu_lock_release+0x20/0x20 [ 716.835740][ C1] ? kthread_blkcg+0xd0/0xd0 [ 716.835753][ C1] ret_from_fork+0x1f/0x30 [ 716.835773][ C1] [ 716.835912][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 717.179107][ T28] CPU: 0 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-10752-g52d543b5497c #0 [ 717.190018][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.200051][ T28] Call Trace: [ 717.203312][ T28] [ 717.206227][ T28] dump_stack_lvl+0x1dc/0x2d8 [ 717.210890][ T28] ? show_regs_print_info+0x12/0x12 [ 717.216069][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 717.221780][ T28] ? vscnprintf+0x59/0x80 [ 717.226089][ T28] panic+0x313/0x890 [ 717.230021][ T28] ? nmi_trigger_cpumask_backtrace+0x206/0x280 [ 717.236245][ T28] ? nmi_panic+0x90/0x90 [ 717.240472][ T28] ? nmi_trigger_cpumask_backtrace+0x1a1/0x280 [ 717.246609][ T28] ? irq_work_queue+0xbd/0x120 [ 717.251392][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.257443][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.263486][ T28] watchdog+0xcc2/0xcd0 [ 717.267631][ T28] kthread+0x2a3/0x2d0 [ 717.271680][ T28] ? hungtask_pm_notify+0x50/0x50 [ 717.276685][ T28] ? kthread_blkcg+0xd0/0xd0 [ 717.281256][ T28] ret_from_fork+0x1f/0x30 [ 717.285658][ T28] [ 717.288727][ T28] Kernel Offset: disabled [ 717.293034][ T28] Rebooting in 86400 seconds..