Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program [ 428.031939][ T27] INFO: task kworker/1:1:25 blocked for more than 143 seconds. [ 428.033574][ T27] Not tainted 5.15.119-syzkaller #0 [ 428.034766][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.036633][ T27] task:kworker/1:1 state:D stack: 0 pid: 25 ppid: 2 flags:0x00000008 [ 428.038556][ T27] Workqueue: events rfkill_global_led_trigger_worker [ 428.039939][ T27] Call trace: [ 428.040602][ T27] __switch_to+0x308/0x5e8 [ 428.041515][ T27] __schedule+0xf10/0x1e38 [ 428.042530][ T27] schedule+0x11c/0x1c8 [ 428.043393][ T27] schedule_preempt_disabled+0x18/0x2c [ 428.044516][ T27] __mutex_lock_common+0xba0/0x2154 [ 428.045593][ T27] mutex_lock_nested+0xa4/0xf8 [ 428.046585][ T27] rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.047848][ T27] process_one_work+0x790/0x11b8 [ 428.048885][ T27] worker_thread+0x910/0x1034 [ 428.049849][ T27] kthread+0x37c/0x45c [ 428.050669][ T27] ret_from_fork+0x10/0x20 [ 428.051641][ T27] INFO: task syz-executor390:3996 blocked for more than 143 seconds. [ 428.053420][ T27] Not tainted 5.15.119-syzkaller #0 [ 428.054579][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.056349][ T27] task:syz-executor390 state:D stack: 0 pid: 3996 ppid: 3991 flags:0x00000001 [ 428.058228][ T27] Call trace: [ 428.058931][ T27] __switch_to+0x308/0x5e8 [ 428.059841][ T27] __schedule+0xf10/0x1e38 [ 428.060747][ T27] schedule+0x11c/0x1c8 [ 428.061625][ T27] schedule_preempt_disabled+0x18/0x2c [ 428.062811][ T27] __mutex_lock_common+0xba0/0x2154 [ 428.063948][ T27] mutex_lock_nested+0xa4/0xf8 [ 428.064932][ T27] rfkill_unregister+0xb8/0x210 [ 428.065938][ T27] nfc_unregister_device+0x98/0x290 [ 428.067030][ T27] nci_unregister_device+0x1e0/0x22c [ 428.068103][ T27] virtual_ncidev_close+0x70/0xb0 [ 428.069131][ T27] __fput+0x30c/0x7f0 [ 428.069961][ T27] ____fput+0x20/0x30 [ 428.070790][ T27] task_work_run+0x130/0x1e4 [ 428.071767][ T27] do_notify_resume+0x262c/0x32b8 [ 428.072818][ T27] el0_svc+0xfc/0x1f0 [ 428.073638][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.074667][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.075573][ T27] INFO: task syz-executor390:3997 blocked for more than 143 seconds. [ 428.077186][ T27] Not tainted 5.15.119-syzkaller #0 [ 428.078374][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.080172][ T27] task:syz-executor390 state:D stack: 0 pid: 3997 ppid: 3991 flags:0x00000009 [ 428.082173][ T27] Call trace: [ 428.082896][ T27] __switch_to+0x308/0x5e8 [ 428.083850][ T27] __schedule+0xf10/0x1e38 [ 428.084772][ T27] schedule+0x11c/0x1c8 [ 428.085629][ T27] schedule_preempt_disabled+0x18/0x2c [ 428.086746][ T27] __mutex_lock_common+0xba0/0x2154 [ 428.087819][ T27] mutex_lock_nested+0xa4/0xf8 [ 428.088822][ T27] nfc_rfkill_set_block+0x50/0x2d0 [ 428.089925][ T27] rfkill_set_block+0x18c/0x37c [ 428.090913][ T27] rfkill_fop_write+0x594/0x750 [ 428.091968][ T27] vfs_write+0x280/0xb3c [ 428.092830][ T27] ksys_write+0x15c/0x26c [ 428.093739][ T27] __arm64_sys_write+0x7c/0x90 [ 428.094729][ T27] invoke_syscall+0x98/0x2b8 [ 428.095668][ T27] el0_svc_common+0x138/0x258 [ 428.096655][ T27] do_el0_svc+0x58/0x14c [ 428.097512][ T27] el0_svc+0x7c/0x1f0 [ 428.098352][ T27] el0t_64_sync_handler+0x84/0xe4 [ 428.099379][ T27] el0t_64_sync+0x1a0/0x1a4 [ 428.100374][ T27] [ 428.100374][ T27] Showing all locks held in the system: [ 428.102004][ T27] 3 locks held by kworker/1:1/25: [ 428.103066][ T27] #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 [ 428.105296][ T27] #1: ffff800018a17c00 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 428.108081][ T27] #2: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.110424][ T27] 1 lock held by khungtaskd/27: [ 428.111395][ T27] #0: ffff800014ac19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.113530][ T27] 2 locks held by getty/3726: [ 428.114541][ T27] #0: ffff0000d178e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 428.116526][ T27] #1: ffff80001a29b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 [ 428.118648][ T27] 2 locks held by syz-executor390/3996: [ 428.119796][ T27] #0: ffff0000c984e190 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 [ 428.121901][ T27] #1: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 [ 428.123986][ T27] 2 locks held by syz-executor390/3997: [ 428.125136][ T27] #0: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 428.127273][ T27] #1: ffff0000c984e190 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 [ 428.129270][ T27] [ 428.129748][ T27] ============================================= [ 428.129748][ T27] [ 428.131521][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 428.132941][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.119-syzkaller #0 [ 428.134640][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 428.136736][ T27] Call trace: [ 428.137430][ T27] dump_backtrace+0x0/0x530 [ 428.138370][ T27] show_stack+0x2c/0x3c [ 428.139243][ T27] dump_stack_lvl+0x108/0x170 [ 428.140258][ T27] dump_stack+0x1c/0x58 [ 428.141165][ T27] panic+0x304/0x8b4 [ 428.141984][ T27] hung_task_panic+0x0/0x2c [ 428.142933][ T27] kthread+0x37c/0x45c [ 428.143791][ T27] ret_from_fork+0x10/0x20 [ 428.144734][ T27] SMP: stopping secondary CPUs [ 428.145727][ T27] Kernel Offset: disabled [ 428.146629][ T27] CPU features: 0x000081c1,21302e40 [ 428.147734][ T27] Memory Limit: none [ 428.483662][ T27] Rebooting in 86400 seconds..