[ 15.549689][ T3896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.554536][ T3896] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.596205][ T307] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.600679][ T110] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.619138][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.86' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 428.017709][ T28] INFO: task kworker/1:1:24 blocked for more than 143 seconds. [ 428.019415][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.020566][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.022388][ T28] task:kworker/1:1 state:D stack:0 pid:24 ppid:2 flags:0x00000008 [ 428.024368][ T28] Workqueue: events rfkill_global_led_trigger_worker [ 428.025794][ T28] Call trace: [ 428.026481][ T28] __switch_to+0x320/0x754 [ 428.027436][ T28] __schedule+0xee4/0x1c98 [ 428.028501][ T28] schedule+0xc4/0x170 [ 428.029367][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.030489][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.031593][ T28] mutex_lock_nested+0x38/0x44 [ 428.032601][ T28] rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.033893][ T28] process_one_work+0x7ac/0x1404 [ 428.034936][ T28] worker_thread+0x8e4/0xfec [ 428.035873][ T28] kthread+0x250/0x2d8 [ 428.036750][ T28] ret_from_fork+0x10/0x20 [ 428.037830][ T28] INFO: task syz-executor394:4246 blocked for more than 143 seconds. [ 428.039559][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.040711][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.042548][ T28] task:syz-executor394 state:D stack:0 pid:4246 ppid:4244 flags:0x00000004 [ 428.044434][ T28] Call trace: [ 428.045132][ T28] __switch_to+0x320/0x754 [ 428.046070][ T28] __schedule+0xee4/0x1c98 [ 428.047006][ T28] schedule+0xc4/0x170 [ 428.047915][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.049100][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.050199][ T28] mutex_lock_nested+0x38/0x44 [ 428.051235][ T28] rfkill_fop_release+0x54/0x274 [ 428.052278][ T28] __fput+0x30c/0x7bc [ 428.053163][ T28] ____fput+0x20/0x30 [ 428.054053][ T28] task_work_run+0x240/0x2f0 [ 428.055063][ T28] do_exit+0x554/0x1a88 [ 428.055933][ T28] do_group_exit+0x194/0x22c [ 428.056937][ T28] __wake_up_parent+0x0/0x60 [ 428.057990][ T28] invoke_syscall+0x98/0x2c0 [ 428.058949][ T28] el0_svc_common+0x138/0x258 [ 428.059948][ T28] do_el0_svc+0x64/0x218 [ 428.060886][ T28] el0_svc+0x58/0x168 [ 428.061712][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.062738][ T28] el0t_64_sync+0x18c/0x190 [ 428.063702][ T28] INFO: task syz-executor394:4249 blocked for more than 143 seconds. [ 428.065474][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.066646][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.068568][ T28] task:syz-executor394 state:D stack:0 pid:4249 ppid:4247 flags:0x0000000c [ 428.070494][ T28] Call trace: [ 428.071172][ T28] __switch_to+0x320/0x754 [ 428.072105][ T28] __schedule+0xee4/0x1c98 [ 428.073021][ T28] schedule+0xc4/0x170 [ 428.073901][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.075076][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.076174][ T28] mutex_lock_nested+0x38/0x44 [ 428.077160][ T28] rfkill_unregister+0xb8/0x210 [ 428.078277][ T28] nfc_unregister_device+0x98/0x290 [ 428.079397][ T28] nci_unregister_device+0x1dc/0x21c [ 428.080540][ T28] virtual_ncidev_close+0x70/0xb0 [ 428.081574][ T28] __fput+0x30c/0x7bc [ 428.082407][ T28] ____fput+0x20/0x30 [ 428.083263][ T28] task_work_run+0x240/0x2f0 [ 428.084224][ T28] do_exit+0x554/0x1a88 [ 428.085088][ T28] do_group_exit+0x194/0x22c [ 428.086090][ T28] __wake_up_parent+0x0/0x60 [ 428.087056][ T28] invoke_syscall+0x98/0x2c0 [ 428.088122][ T28] el0_svc_common+0x138/0x258 [ 428.089085][ T28] do_el0_svc+0x64/0x218 [ 428.089973][ T28] el0_svc+0x58/0x168 [ 428.090833][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.091895][ T28] el0t_64_sync+0x18c/0x190 [ 428.092864][ T28] INFO: task syz-executor394:4253 blocked for more than 143 seconds. [ 428.094588][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.095747][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.097773][ T28] task:syz-executor394 state:D stack:0 pid:4253 ppid:4248 flags:0x00000004 [ 428.099719][ T28] Call trace: [ 428.100379][ T28] __switch_to+0x320/0x754 [ 428.101314][ T28] __schedule+0xee4/0x1c98 [ 428.102275][ T28] schedule+0xc4/0x170 [ 428.103136][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.104293][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.105374][ T28] mutex_lock_nested+0x38/0x44 [ 428.106384][ T28] rfkill_fop_release+0x54/0x274 [ 428.107460][ T28] __fput+0x30c/0x7bc [ 428.108400][ T28] ____fput+0x20/0x30 [ 428.109265][ T28] task_work_run+0x240/0x2f0 [ 428.110257][ T28] do_exit+0x554/0x1a88 [ 428.111187][ T28] do_group_exit+0x194/0x22c [ 428.112160][ T28] __wake_up_parent+0x0/0x60 [ 428.113114][ T28] invoke_syscall+0x98/0x2c0 [ 428.114114][ T28] el0_svc_common+0x138/0x258 [ 428.115080][ T28] do_el0_svc+0x64/0x218 [ 428.115970][ T28] el0_svc+0x58/0x168 [ 428.116831][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.117949][ T28] el0t_64_sync+0x18c/0x190 [ 428.118929][ T28] INFO: task syz-executor394:4255 blocked for more than 143 seconds. [ 428.120609][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.121761][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.123537][ T28] task:syz-executor394 state:D stack:0 pid:4255 ppid:4251 flags:0x0000000d [ 428.125573][ T28] Call trace: [ 428.126289][ T28] __switch_to+0x320/0x754 [ 428.127288][ T28] __schedule+0xee4/0x1c98 [ 428.128290][ T28] schedule+0xc4/0x170 [ 428.129208][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.130342][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.131428][ T28] mutex_lock_nested+0x38/0x44 [ 428.132432][ T28] nfc_rfkill_set_block+0x50/0x2d0 [ 428.133530][ T28] rfkill_set_block+0x18c/0x37c [ 428.134612][ T28] rfkill_fop_write+0x578/0x734 [ 428.135613][ T28] vfs_write+0x2a4/0x914 [ 428.136552][ T28] ksys_write+0x15c/0x26c [ 428.137457][ T28] __arm64_sys_write+0x7c/0x90 [ 428.138622][ T28] invoke_syscall+0x98/0x2c0 [ 428.139613][ T28] el0_svc_common+0x138/0x258 [ 428.140629][ T28] do_el0_svc+0x64/0x218 [ 428.141576][ T28] el0_svc+0x58/0x168 [ 428.142448][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.143584][ T28] el0t_64_sync+0x18c/0x190 [ 428.144581][ T28] INFO: task syz-executor394:4258 blocked for more than 143 seconds. [ 428.146299][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.147576][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.149404][ T28] task:syz-executor394 state:D stack:0 pid:4258 ppid:4245 flags:0x00000004 [ 428.151371][ T28] Call trace: [ 428.152057][ T28] __switch_to+0x320/0x754 [ 428.153033][ T28] __schedule+0xee4/0x1c98 [ 428.154030][ T28] schedule+0xc4/0x170 [ 428.154925][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.156085][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.157241][ T28] mutex_lock_nested+0x38/0x44 [ 428.158348][ T28] rfkill_fop_release+0x54/0x274 [ 428.159406][ T28] __fput+0x30c/0x7bc [ 428.160275][ T28] ____fput+0x20/0x30 [ 428.161129][ T28] task_work_run+0x240/0x2f0 [ 428.162208][ T28] do_exit+0x554/0x1a88 [ 428.163084][ T28] do_group_exit+0x194/0x22c [ 428.164056][ T28] __wake_up_parent+0x0/0x60 [ 428.165041][ T28] invoke_syscall+0x98/0x2c0 [ 428.166088][ T28] el0_svc_common+0x138/0x258 [ 428.167096][ T28] do_el0_svc+0x64/0x218 [ 428.168055][ T28] el0_svc+0x58/0x168 [ 428.168933][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.170007][ T28] el0t_64_sync+0x18c/0x190 [ 428.171002][ T28] INFO: task syz-executor394:4271 blocked for more than 143 seconds. [ 428.172759][ T28] Not tainted 6.1.72-syzkaller #0 [ 428.173948][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.175799][ T28] task:syz-executor394 state:D stack:0 pid:4271 ppid:4250 flags:0x00000005 [ 428.177823][ T28] Call trace: [ 428.178494][ T28] __switch_to+0x320/0x754 [ 428.179452][ T28] __schedule+0xee4/0x1c98 [ 428.180405][ T28] schedule+0xc4/0x170 [ 428.181275][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.182417][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.183583][ T28] mutex_lock_nested+0x38/0x44 [ 428.184635][ T28] rfkill_fop_open+0x12c/0x5c8 [ 428.185675][ T28] misc_open+0x2f0/0x368 [ 428.186584][ T28] chrdev_open+0x3e8/0x4fc [ 428.187613][ T28] do_dentry_open+0x734/0xfa0 [ 428.188593][ T28] vfs_open+0x7c/0x90 [ 428.189432][ T28] path_openat+0x1e14/0x2548 [ 428.190444][ T28] do_filp_open+0x1bc/0x3cc [ 428.191422][ T28] do_sys_openat2+0x128/0x3d8 [ 428.192426][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.193561][ T28] invoke_syscall+0x98/0x2c0 [ 428.194572][ T28] el0_svc_common+0x138/0x258 [ 428.195584][ T28] do_el0_svc+0x64/0x218 [ 428.196474][ T28] el0_svc+0x58/0x168 [ 428.197367][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.198551][ T28] el0t_64_sync+0x18c/0x190 [ 428.199529][ T28] [ 428.199529][ T28] Showing all locks held in the system: [ 428.201154][ T28] 1 lock held by rcu_tasks_kthre/12: [ 428.202288][ T28] #0: ffff800015a04eb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.204615][ T28] 1 lock held by rcu_tasks_trace/13: [ 428.205756][ T28] #0: ffff800015a056b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.208196][ T28] 3 locks held by kworker/1:1/24: [ 428.209290][ T28] #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 [ 428.211576][ T28] #1: ffff800019f07c20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 [ 428.214361][ T28] #2: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.216843][ T28] 1 lock held by khungtaskd/28: [ 428.217968][ T28] #0: ffff800015a04ce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.220091][ T28] 2 locks held by getty/3991: [ 428.221106][ T28] #0: ffff0000d6165098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.223259][ T28] #1: ffff80001bca02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 428.225578][ T28] 1 lock held by syz-executor394/4246: [ 428.226781][ T28] #0: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x54/0x274 [ 428.229154][ T28] 2 locks held by syz-executor394/4249: [ 428.230403][ T28] #0: ffff0000d26dd100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 [ 428.232603][ T28] #1: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 [ 428.234920][ T28] 1 lock held by syz-executor394/4253: [ 428.236081][ T28] #0: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x54/0x274 [ 428.238403][ T28] 2 locks held by syz-executor394/4255: [ 428.239596][ T28] #0: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x234/0x734 [ 428.242216][ T28] #1: ffff0000d26dd100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 [ 428.244229][ T28] 1 lock held by syz-executor394/4258: [ 428.245366][ T28] #0: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x54/0x274 [ 428.247666][ T28] 2 locks held by syz-executor394/4271: [ 428.248816][ T28] #0: ffff800016c23528 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.250794][ T28] #1: ffff8000180ab788 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x12c/0x5c8 [ 428.253063][ T28] [ 428.253594][ T28] ============================================= [ 428.253594][ T28] [ 428.255286][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 428.256745][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.72-syzkaller #0 [ 428.258431][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 428.260699][ T28] Call trace: [ 428.261407][ T28] dump_backtrace+0x1c8/0x1f4 [ 428.262509][ T28] show_stack+0x2c/0x3c [ 428.263469][ T28] dump_stack_lvl+0x108/0x170 [ 428.264574][ T28] dump_stack+0x1c/0x58 [ 428.265508][ T28] panic+0x300/0x7fc [ 428.266326][ T28] hung_task_panic+0x0/0x2c [ 428.267362][ T28] kthread+0x250/0x2d8 [ 428.268227][ T28] ret_from_fork+0x10/0x20 [ 428.269191][ T28] SMP: stopping secondary CPUs [ 428.270292][ T28] Kernel Offset: disabled [ 428.271237][ T28] CPU features: 0x00000,02070084,26017203 [ 428.272504][ T28] Memory Limit: none [ 428.626877][ T28] Rebooting in 86400 seconds..