DUID 00:04:d9:3a:76:1c:b4:63:be:bc:0b:c2:08:9c:83:36:98:31 forked to background, child pid 3172 [ 20.170910][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.181461][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 71.112784][ T6] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program [ 320.554816][ T3613] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 320.561983][ T3615] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 320.569274][ T3615] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 320.576593][ T3615] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 320.583978][ T3615] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 320.591116][ T3615] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 322.632258][ T144] Bluetooth: hci0: command 0x0409 tx timeout [ 324.712226][ T144] Bluetooth: hci0: command 0x041b tx timeout [ 326.792284][ T144] Bluetooth: hci0: command 0x040f tx timeout [ 328.872258][ T144] Bluetooth: hci0: command 0x0419 tx timeout [ 330.952302][ T144] Bluetooth: hci0: command 0x0405 tx timeout [ 446.952227][ T144] Bluetooth: hci0: command 0x0406 tx timeout [ 572.872204][ T28] INFO: task krfcommd:2706 blocked for more than 143 seconds. [ 572.879668][ T28] Tainted: G W 5.17.0-syzkaller-12817-gcffb2b72d3ed #0 [ 572.888421][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.897165][ T28] task:krfcommd state:D stack:28984 pid: 2706 ppid: 2 flags:0x00004000 [ 572.906514][ T28] Call Trace: [ 572.909785][ T28] [ 572.912815][ T28] __schedule+0x937/0x1090 [ 572.917284][ T28] ? __sched_text_start+0x8/0x8 [ 572.922149][ T28] ? __mutex_trylock_common+0xb3/0x300 [ 572.927675][ T28] ? __might_sleep+0xe0/0xe0 [ 572.932325][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 572.937519][ T28] schedule+0xeb/0x1b0 [ 572.941568][ T28] schedule_preempt_disabled+0xf/0x20 [ 572.946946][ T28] __mutex_lock_common+0xd1f/0x2590 [ 572.952211][ T28] ? rfcomm_process_sessions+0x21/0x3f0 [ 572.957795][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 572.963010][ T28] ? __mutex_unlock_slowpath+0x244/0x7d0 [ 572.968635][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 572.974535][ T28] mutex_lock_nested+0x1a/0x20 [ 572.979310][ T28] rfcomm_process_sessions+0x21/0x3f0 [ 572.984701][ T28] rfcomm_run+0x195/0x2c0 [ 572.989018][ T28] ? rfcomm_security_cfm+0x630/0x630 [ 572.994308][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.000192][ T28] ? wait_woken+0x1b0/0x1b0 [ 573.004940][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.010836][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.016015][ T28] ? __kthread_parkme+0x166/0x1c0 [ 573.021092][ T28] kthread+0x2a3/0x2d0 [ 573.025174][ T28] ? rfcomm_security_cfm+0x630/0x630 [ 573.030454][ T28] ? kthread_blkcg+0xd0/0xd0 [ 573.035077][ T28] ret_from_fork+0x1f/0x30 [ 573.039516][ T28] [ 573.042579][ T28] INFO: task syz-executor296:3618 blocked for more than 143 seconds. [ 573.050626][ T28] Tainted: G W 5.17.0-syzkaller-12817-gcffb2b72d3ed #0 [ 573.059294][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.067967][ T28] task:syz-executor296 state:D stack:26552 pid: 3618 ppid: 3612 flags:0x00004006 [ 573.077184][ T28] Call Trace: [ 573.080453][ T28] [ 573.083400][ T28] __schedule+0x937/0x1090 [ 573.087814][ T28] ? __sched_text_start+0x8/0x8 [ 573.092680][ T28] ? __local_bh_enable_ip+0x163/0x1f0 [ 573.098099][ T28] ? trace_lock_acquire+0x59/0x190 [ 573.103210][ T28] ? __lock_sock+0x1ca/0x330 [ 573.107844][ T28] ? _local_bh_enable+0xa0/0xa0 [ 573.112879][ T28] schedule+0xeb/0x1b0 [ 573.116945][ T28] __lock_sock+0x1cf/0x330 [ 573.121339][ T28] ? sk_page_frag_refill+0x2f0/0x2f0 [ 573.126637][ T28] ? wake_bit_function+0x230/0x230 [ 573.131746][ T28] ? __rwlock_init+0x140/0x140 [ 573.136541][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 573.141737][ T28] lock_sock_nested+0x9f/0x100 [ 573.146522][ T28] rfcomm_sk_state_change+0x63/0x300 [ 573.151821][ T28] __rfcomm_dlc_close+0x2cc/0x480 [ 573.156857][ T28] rfcomm_dlc_close+0x10d/0x1c0 [ 573.161696][ T28] __rfcomm_sock_close+0x101/0x220 [ 573.166943][ T28] rfcomm_sock_shutdown+0xa5/0x220 [ 573.172077][ T28] rfcomm_sock_release+0x55/0x120 [ 573.177097][ T28] sock_close+0xd8/0x260 [ 573.181324][ T28] ? sock_mmap+0x90/0x90 [ 573.185587][ T28] __fput+0x3f6/0x860 [ 573.189636][ T28] task_work_run+0x146/0x1c0 [ 573.194289][ T28] do_exit+0x5e3/0x20f0 [ 573.198481][ T28] ? get_signal+0x1fda/0x23f0 [ 573.203229][ T28] ? mm_update_next_owner+0x6d0/0x6d0 [ 573.208593][ T28] ? __lock_acquire+0x2b00/0x2b00 [ 573.213653][ T28] ? rcu_read_lock_sched_held+0x5f/0x130 [ 573.219519][ T28] ? print_irqtrace_events+0x220/0x220 [ 573.224992][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.230097][ T28] do_group_exit+0x2af/0x2b0 [ 573.234715][ T28] get_signal+0x23e8/0x23f0 [ 573.239215][ T28] ? __lock_acquire+0x2b00/0x2b00 [ 573.244264][ T28] ? ptrace_notify+0x340/0x340 [ 573.249023][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 573.254264][ T28] arch_do_signal_or_restart+0xa1/0x740 [ 573.259870][ T28] ? __sys_connect_file+0x170/0x170 [ 573.265169][ T28] ? get_sigframe_size+0x10/0x10 [ 573.270105][ T28] ? exit_to_user_mode_prepare+0x102/0x200 [ 573.275978][ T28] exit_to_user_mode_prepare+0x165/0x200 [ 573.281601][ T28] ? trace_irq_disable_rcuidle+0x11/0x170 [ 573.287381][ T28] syscall_exit_to_user_mode+0x2e/0x70 [ 573.292845][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 573.298718][ T28] RIP: 0033:0x7f4e731503f9 [ 573.303144][ T28] RSP: 002b:00007fff14a0e988 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 573.311546][ T28] RAX: fffffffffffffffc RBX: 0000555556a333b8 RCX: 00007f4e731503f9 [ 573.319541][ T28] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 573.328360][ T28] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 573.336348][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 573.344330][ T28] R13: 0000000000000072 R14: 00007fff14a0ea10 R15: 0000000000000000 [ 573.352420][ T28] [ 573.355430][ T28] INFO: lockdep is turned off. [ 573.360163][ T28] NMI backtrace for cpu 1 [ 573.364471][ T28] CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-12817-gcffb2b72d3ed #0 [ 573.375377][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.385453][ T28] Call Trace: [ 573.388720][ T28] [ 573.391634][ T28] dump_stack_lvl+0x1dc/0x2d8 [ 573.396346][ T28] ? show_regs_print_info+0x12/0x12 [ 573.401523][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 573.407241][ T28] nmi_cpu_backtrace+0x45f/0x490 [ 573.412159][ T28] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 573.412179][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 573.424020][ T28] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 573.429918][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.436039][ T28] nmi_trigger_cpumask_backtrace+0x16a/0x280 [ 573.442014][ T28] watchdog+0xc82/0xcd0 [ 573.446196][ T28] kthread+0x2a3/0x2d0 [ 573.450247][ T28] ? hungtask_pm_notify+0x50/0x50 [ 573.455251][ T28] ? kthread_blkcg+0xd0/0xd0 [ 573.459821][ T28] ret_from_fork+0x1f/0x30 [ 573.464225][ T28] [ 573.467287][ T28] Sending NMI from CPU 1 to CPUs 0: [ 573.472513][ C0] NMI backtrace for cpu 0 [ 573.472522][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Tainted: G W 5.17.0-syzkaller-12817-gcffb2b72d3ed #0 [ 573.472538][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.472546][ C0] Workqueue: events_unbound toggle_allocation_gate [ 573.472606][ C0] RIP: 0010:bcmp+0x1/0x170 [ 573.472635][ C0] Code: 7e fd eb c5 44 89 f9 80 e1 07 38 c1 7c ce 4c 89 ff e8 33 7c 7e fd eb c4 31 ed 89 e8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 90 55 <41> 57 41 56 41 55 41 54 53 49 89 d6 49 89 f7 48 89 fb 49 bd 00 00 [ 573.472646][ C0] RSP: 0018:ffffc900000d7930 EFLAGS: 00000297 [ 573.472657][ C0] RAX: 1ffffffff15103dd RBX: ffffffff81d6d87e RCX: dffffc0000000000 [ 573.472668][ C0] RDX: 0000000000000005 RSI: ffffffff8f7f6000 RDI: ffffffff81d6d87e [ 573.472677][ C0] RBP: ffffc900000d7a80 R08: ffffffff81d6d87e R09: ffffffff845cf58d [ 573.472687][ C0] R10: 0000000000000003 R11: ffff88813fe6d700 R12: ffffffff8a881e6a [ 573.472696][ C0] R13: ffffffff8f7f6000 R14: ffffffff8f7f6000 R15: 0000000000000000 [ 573.472705][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 573.472717][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 573.472726][ C0] CR2: 000055e1e7f11600 CR3: 000000000ca8e000 CR4: 00000000003506f0 [ 573.472738][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 573.472746][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 573.472754][ C0] Call Trace: [ 573.472758][ C0] [ 573.472763][ C0] __jump_label_patch+0x24d/0x410 [ 573.472800][ C0] ? kmem_cache_alloc_lru+0xbe/0x300 [ 573.472829][ C0] ? arch_jump_label_transform_queue+0xd0/0xd0 [ 573.472846][ C0] ? kmem_cache_alloc_lru+0xbe/0x300 [ 573.472859][ C0] ? kmem_cache_alloc_lru+0xcd/0x300 [ 573.472872][ C0] ? kmem_cache_alloc_lru+0xc3/0x300 [ 573.472886][ C0] ? read_lock_is_recursive+0x10/0x10 [ 573.472899][ C0] ? mutex_lock_io_nested+0x60/0x60 [ 573.472917][ C0] arch_jump_label_transform_queue+0x49/0xd0 [ 573.472930][ C0] __jump_label_update+0x15d/0x350 [ 573.472962][ C0] static_key_disable_cpuslocked+0xcc/0x1b0 [ 573.472976][ C0] static_key_disable+0x16/0x20 [ 573.472987][ C0] toggle_allocation_gate+0x3c8/0x460 [ 573.473002][ C0] ? show_object+0xa0/0xa0 [ 573.473015][ C0] ? do_raw_spin_unlock+0x134/0x8a0 [ 573.473029][ C0] ? __lock_acquire+0x2b00/0x2b00 [ 573.473041][ C0] ? rcu_read_lock_sched_held+0x5f/0x130 [ 573.473055][ C0] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 573.473068][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.473083][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.473098][ C0] process_one_work+0x83c/0x11a0 [ 573.473118][ C0] ? worker_detach_from_pool+0x260/0x260 [ 573.473132][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 573.473145][ C0] ? kthread_data+0x4d/0xc0 [ 573.473158][ C0] ? wq_worker_running+0x95/0x190 [ 573.473171][ C0] worker_thread+0xa6c/0x1290 [ 573.473193][ C0] kthread+0x2a3/0x2d0 [ 573.473205][ C0] ? rcu_lock_release+0x20/0x20 [ 573.473217][ C0] ? kthread_blkcg+0xd0/0xd0 [ 573.473229][ C0] ret_from_fork+0x1f/0x30 [ 573.473250][ C0] [ 573.473509][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 573.784756][ T28] CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-12817-gcffb2b72d3ed #0 [ 573.795664][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.805693][ T28] Call Trace: [ 573.808955][ T28] [ 573.811866][ T28] dump_stack_lvl+0x1dc/0x2d8 [ 573.816529][ T28] ? show_regs_print_info+0x12/0x12 [ 573.821705][ T28] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 573.827404][ T28] ? vscnprintf+0x59/0x80 [ 573.831710][ T28] panic+0x313/0x890 [ 573.835587][ T28] ? nmi_trigger_cpumask_backtrace+0x206/0x280 [ 573.841721][ T28] ? nmi_panic+0x90/0x90 [ 573.845940][ T28] ? nmi_trigger_cpumask_backtrace+0x1a1/0x280 [ 573.852070][ T28] ? irq_work_queue+0xbd/0x120 [ 573.856872][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.862918][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.868964][ T28] watchdog+0xcc2/0xcd0 [ 573.873102][ T28] kthread+0x2a3/0x2d0 [ 573.877148][ T28] ? hungtask_pm_notify+0x50/0x50 [ 573.882148][ T28] ? kthread_blkcg+0xd0/0xd0 [ 573.886715][ T28] ret_from_fork+0x1f/0x30 [ 573.891115][ T28] [ 573.894264][ T28] Kernel Offset: disabled [ 573.898568][ T28] Rebooting in 86400 seconds..