Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 428.032624][ T28] INFO: task kworker/1:0:22 blocked for more than 143 seconds. [ 428.034258][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.035691][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.037398][ T28] task:kworker/1:0 state:D stack:0 pid:22 ppid:2 flags:0x00000008 [ 428.039229][ T28] Workqueue: events rfkill_global_led_trigger_worker [ 428.040514][ T28] Call trace: [ 428.041166][ T28] __switch_to+0x320/0x754 [ 428.042009][ T28] __schedule+0x1368/0x23b8 [ 428.043078][ T28] schedule+0xc4/0x170 [ 428.043906][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.044991][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.046043][ T28] mutex_lock_nested+0x2c/0x38 [ 428.047063][ T28] rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.048227][ T28] process_one_work+0x788/0x12d4 [ 428.049215][ T28] worker_thread+0x8e0/0xfe8 [ 428.050123][ T28] kthread+0x288/0x310 [ 428.050963][ T28] ret_from_fork+0x10/0x20 [ 428.051934][ T28] INFO: task syz-executor841:6202 blocked for more than 143 seconds. [ 428.053670][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.055082][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.056758][ T28] task:syz-executor841 state:D stack:0 pid:6202 ppid:5995 flags:0x00000001 [ 428.058608][ T28] Call trace: [ 428.059240][ T28] __switch_to+0x320/0x754 [ 428.060215][ T28] __schedule+0x1368/0x23b8 [ 428.061128][ T28] schedule+0xc4/0x170 [ 428.061938][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.063088][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.064117][ T28] mutex_lock_nested+0x2c/0x38 [ 428.065087][ T28] misc_open+0x6c/0x368 [ 428.065902][ T28] chrdev_open+0x3e8/0x4fc [ 428.066853][ T28] do_dentry_open+0x724/0xf90 [ 428.067848][ T28] vfs_open+0x7c/0x90 [ 428.068683][ T28] path_openat+0x1f2c/0x27f8 [ 428.069552][ T28] do_filp_open+0x1bc/0x3cc [ 428.070484][ T28] do_sys_openat2+0x128/0x3d8 [ 428.071418][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.072398][ T28] invoke_syscall+0x98/0x2c0 [ 428.073469][ T28] el0_svc_common+0x138/0x244 [ 428.074413][ T28] do_el0_svc+0x64/0x198 [ 428.075261][ T28] el0_svc+0x4c/0x160 [ 428.076250][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.077252][ T28] el0t_64_sync+0x190/0x194 [ 428.078129][ T28] INFO: task syz-executor841:6213 blocked for more than 143 seconds. [ 428.079749][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.081113][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.082906][ T28] task:syz-executor841 state:D stack:0 pid:6213 ppid:5999 flags:0x0000000c [ 428.084777][ T28] Call trace: [ 428.085499][ T28] __switch_to+0x320/0x754 [ 428.086398][ T28] __schedule+0x1368/0x23b8 [ 428.087258][ T28] schedule+0xc4/0x170 [ 428.088055][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.089097][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.090120][ T28] mutex_lock_nested+0x2c/0x38 [ 428.091077][ T28] rfkill_unregister+0xb8/0x210 [ 428.092009][ T28] nfc_unregister_device+0x98/0x290 [ 428.093085][ T28] nci_unregister_device+0x1dc/0x21c [ 428.094157][ T28] virtual_ncidev_close+0x5c/0xa0 [ 428.095158][ T28] __fput+0x30c/0x7bc [ 428.095916][ T28] ____fput+0x20/0x30 [ 428.096775][ T28] task_work_run+0x230/0x2e0 [ 428.097660][ T28] do_exit+0x63c/0x1f58 [ 428.098434][ T28] do_group_exit+0x194/0x22c [ 428.099315][ T28] __wake_up_parent+0x0/0x60 [ 428.100230][ T28] invoke_syscall+0x98/0x2c0 [ 428.101148][ T28] el0_svc_common+0x138/0x244 [ 428.102045][ T28] do_el0_svc+0x64/0x198 [ 428.102963][ T28] el0_svc+0x4c/0x160 [ 428.103777][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.104829][ T28] el0t_64_sync+0x190/0x194 [ 428.105692][ T28] INFO: task syz-executor841:6217 blocked for more than 143 seconds. [ 428.107231][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.108562][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.110242][ T28] task:syz-executor841 state:D stack:0 pid:6217 ppid:6000 flags:0x00000001 [ 428.111944][ T28] Call trace: [ 428.112690][ T28] __switch_to+0x320/0x754 [ 428.113640][ T28] __schedule+0x1368/0x23b8 [ 428.114505][ T28] schedule+0xc4/0x170 [ 428.115272][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.116298][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.117377][ T28] mutex_lock_nested+0x2c/0x38 [ 428.118317][ T28] nfc_rfkill_set_block+0x50/0x2d0 [ 428.119413][ T28] rfkill_set_block+0x18c/0x37c [ 428.120345][ T28] rfkill_fop_write+0x578/0x734 [ 428.121381][ T28] vfs_write+0x2a0/0x918 [ 428.122157][ T28] ksys_write+0x15c/0x26c [ 428.123125][ T28] __arm64_sys_write+0x7c/0x90 [ 428.124105][ T28] invoke_syscall+0x98/0x2c0 [ 428.124988][ T28] el0_svc_common+0x138/0x244 [ 428.125945][ T28] do_el0_svc+0x64/0x198 [ 428.126762][ T28] el0_svc+0x4c/0x160 [ 428.127609][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.128623][ T28] el0t_64_sync+0x190/0x194 [ 428.129523][ T28] INFO: task syz-executor841:6222 blocked for more than 143 seconds. [ 428.131102][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.132398][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.134159][ T28] task:syz-executor841 state:D stack:0 pid:6222 ppid:5998 flags:0x00000009 [ 428.136000][ T28] Call trace: [ 428.136651][ T28] __switch_to+0x320/0x754 [ 428.137461][ T28] __schedule+0x1368/0x23b8 [ 428.138391][ T28] schedule+0xc4/0x170 [ 428.139176][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.140211][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.141233][ T28] mutex_lock_nested+0x2c/0x38 [ 428.142164][ T28] rfkill_register+0x44/0x7a4 [ 428.143167][ T28] nfc_register_device+0x148/0x310 [ 428.144285][ T28] nci_register_device+0x6ac/0x7c4 [ 428.145328][ T28] virtual_ncidev_open+0x13c/0x1bc [ 428.146323][ T28] misc_open+0x2f0/0x368 [ 428.147126][ T28] chrdev_open+0x3e8/0x4fc [ 428.148001][ T28] do_dentry_open+0x724/0xf90 [ 428.148943][ T28] vfs_open+0x7c/0x90 [ 428.149706][ T28] path_openat+0x1f2c/0x27f8 [ 428.150578][ T28] do_filp_open+0x1bc/0x3cc [ 428.151487][ T28] do_sys_openat2+0x128/0x3d8 [ 428.152388][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.153410][ T28] invoke_syscall+0x98/0x2c0 [ 428.154321][ T28] el0_svc_common+0x138/0x244 [ 428.155183][ T28] do_el0_svc+0x64/0x198 [ 428.156022][ T28] el0_svc+0x4c/0x160 [ 428.156784][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.157780][ T28] el0t_64_sync+0x190/0x194 [ 428.158691][ T28] INFO: task syz-executor841:6232 blocked for more than 143 seconds. [ 428.160263][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.161677][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.163432][ T28] task:syz-executor841 state:D stack:0 pid:6232 ppid:5997 flags:0x00000001 [ 428.165338][ T28] Call trace: [ 428.165994][ T28] __switch_to+0x320/0x754 [ 428.166846][ T28] __schedule+0x1368/0x23b8 [ 428.167742][ T28] schedule+0xc4/0x170 [ 428.168507][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.169582][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.170657][ T28] mutex_lock_nested+0x2c/0x38 [ 428.171590][ T28] misc_open+0x6c/0x368 [ 428.172365][ T28] chrdev_open+0x3e8/0x4fc [ 428.173300][ T28] do_dentry_open+0x724/0xf90 [ 428.174188][ T28] vfs_open+0x7c/0x90 [ 428.175002][ T28] path_openat+0x1f2c/0x27f8 [ 428.175925][ T28] do_filp_open+0x1bc/0x3cc [ 428.176784][ T28] do_sys_openat2+0x128/0x3d8 [ 428.177656][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.178704][ T28] invoke_syscall+0x98/0x2c0 [ 428.179612][ T28] el0_svc_common+0x138/0x244 [ 428.180475][ T28] do_el0_svc+0x64/0x198 [ 428.181271][ T28] el0_svc+0x4c/0x160 [ 428.182062][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.183115][ T28] el0t_64_sync+0x190/0x194 [ 428.184042][ T28] INFO: task syz-executor841:6239 blocked for more than 143 seconds. [ 428.185549][ T28] Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.186807][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.188397][ T28] task:syz-executor841 state:D stack:0 pid:6239 ppid:5994 flags:0x00000001 [ 428.190108][ T28] Call trace: [ 428.190762][ T28] __switch_to+0x320/0x754 [ 428.191653][ T28] __schedule+0x1368/0x23b8 [ 428.192658][ T28] schedule+0xc4/0x170 [ 428.193520][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.194594][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.195614][ T28] mutex_lock_nested+0x2c/0x38 [ 428.196545][ T28] misc_open+0x6c/0x368 [ 428.197304][ T28] chrdev_open+0x3e8/0x4fc [ 428.198200][ T28] do_dentry_open+0x724/0xf90 [ 428.199104][ T28] vfs_open+0x7c/0x90 [ 428.199835][ T28] path_openat+0x1f2c/0x27f8 [ 428.200730][ T28] do_filp_open+0x1bc/0x3cc [ 428.201612][ T28] do_sys_openat2+0x128/0x3d8 [ 428.202621][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.203571][ T28] invoke_syscall+0x98/0x2c0 [ 428.204401][ T28] el0_svc_common+0x138/0x244 [ 428.205339][ T28] do_el0_svc+0x64/0x198 [ 428.206185][ T28] el0_svc+0x4c/0x160 [ 428.206992][ T28] el0t_64_sync_handler+0x84/0xfc [ 428.208041][ T28] el0t_64_sync+0x190/0x194 [ 428.208900][ T28] [ 428.208900][ T28] Showing all locks held in the system: [ 428.210414][ T28] 1 lock held by rcu_tasks_kthre/13: [ 428.211469][ T28] #0: ffff80008e0916d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.213638][ T28] 1 lock held by rcu_tasks_trace/14: [ 428.214622][ T28] #0: ffff80008e091a90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.216743][ T28] 3 locks held by kworker/1:0/22: [ 428.217690][ T28] #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 [ 428.219723][ T28] #1: ffff8000928b7c20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 [ 428.222315][ T28] #2: ffff800090a5d268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.224738][ T28] 1 lock held by khungtaskd/28: [ 428.225654][ T28] #0: ffff80008e091500 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.227497][ T28] 2 locks held by getty/5733: [ 428.228395][ T28] #0: ffff0000d480d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.230276][ T28] #1: ffff800092e002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 428.232174][ T28] 1 lock held by syz-executor841/6202: [ 428.233306][ T28] #0: ffff80008f49b1e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.234988][ T28] 2 locks held by syz-executor841/6213: [ 428.236097][ T28] #0: ffff0000de22d100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 [ 428.238094][ T28] #1: ffff800090a5d268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 [ 428.240002][ T28] 2 locks held by syz-executor841/6217: [ 428.241061][ T28] #0: ffff800090a5d268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x234/0x734 [ 428.243146][ T28] #1: ffff0000de22d100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 [ 428.245030][ T28] 3 locks held by syz-executor841/6222: [ 428.246103][ T28] #0: ffff80008f49b1e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.247753][ T28] #1: ffff0000d047c100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0xb4/0x310 [ 428.249557][ T28] #2: ffff800090a5d268 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7a4 [ 428.251580][ T28] 1 lock held by syz-executor841/6232: [ 428.252703][ T28] #0: ffff80008f49b1e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.254342][ T28] 1 lock held by syz-executor841/6239: [ 428.255484][ T28] #0: ffff80008f49b1e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.257083][ T28] [ 428.257586][ T28] ============================================= [ 428.257586][ T28] [ 428.259337][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 428.260625][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 428.262427][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 428.264465][ T28] Call trace: [ 428.265147][ T28] dump_backtrace+0x1b8/0x1e4 [ 428.266073][ T28] show_stack+0x2c/0x44 [ 428.266955][ T28] dump_stack_lvl+0xd0/0x124 [ 428.267843][ T28] dump_stack+0x1c/0x28 [ 428.268706][ T28] panic+0x2d0/0x7b4 [ 428.269517][ T28] hung_task_panic+0x0/0x2c [ 428.270375][ T28] kthread+0x288/0x310 [ 428.271214][ T28] ret_from_fork+0x10/0x20 [ 428.272138][ T28] SMP: stopping secondary CPUs [ 428.273138][ T28] Kernel Offset: disabled [ 428.273986][ T28] CPU features: 0x0000004,0e008010,c4017203 [ 428.275168][ T28] Memory Limit: none [ 428.600701][ T28] Rebooting in 86400 seconds..