[ 15.660097][ T5643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.664257][ T5643] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.714077][ T12] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.715656][ T5554] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.631759][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.128' (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 [ 428.030579][ T28] INFO: task syz-executor410:6034 blocked for more than 143 seconds. [ 428.032410][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.033942][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.035815][ T28] task:syz-executor410 state:D stack:0 pid:6034 ppid:5996 flags:0x0000000c [ 428.037956][ T28] Call trace: [ 428.038710][ T28] __switch_to+0x320/0x754 [ 428.039767][ T28] __schedule+0x1368/0x23b8 [ 428.041262][ T28] schedule+0xc4/0x170 [ 428.042277][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.043584][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.044969][ T28] mutex_lock_nested+0x2c/0x38 [ 428.046102][ T28] rfkill_unregister+0xb8/0x210 [ 428.047275][ T28] nfc_unregister_device+0x98/0x290 [ 428.048529][ T28] nci_unregister_device+0x1dc/0x21c [ 428.049750][ T28] virtual_ncidev_close+0x5c/0xa0 [ 428.051122][ T28] __fput+0x30c/0x7bc [ 428.051990][ T28] ____fput+0x20/0x30 [ 428.052940][ T28] task_work_run+0x230/0x2e0 [ 428.054014][ T28] do_exit+0x63c/0x1f58 [ 428.055031][ T28] do_group_exit+0x194/0x22c [ 428.056133][ T28] __wake_up_parent+0x0/0x60 [ 428.057298][ T28] invoke_syscall+0x98/0x2c0 [ 428.058470][ T28] el0_svc_common+0x138/0x258 [ 428.059715][ T28] do_el0_svc+0x64/0x198 [ 428.060801][ T28] el0_svc+0x4c/0x15c [ 428.061820][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.063047][ T28] el0t_64_sync+0x190/0x194 [ 428.064235][ T28] INFO: task syz-executor410:6057 blocked for more than 143 seconds. [ 428.066045][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.067828][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.070070][ T28] task:syz-executor410 state:D stack:0 pid:6057 ppid:5997 flags:0x00000009 [ 428.072449][ T28] Call trace: [ 428.073258][ T28] __switch_to+0x320/0x754 [ 428.074294][ T28] __schedule+0x1368/0x23b8 [ 428.075368][ T28] schedule+0xc4/0x170 [ 428.076337][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.077677][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.078985][ T28] mutex_lock_nested+0x2c/0x38 [ 428.080138][ T28] nfc_rfkill_set_block+0x50/0x2d0 [ 428.081469][ T28] rfkill_set_block+0x18c/0x37c [ 428.082650][ T28] rfkill_fop_write+0x578/0x734 [ 428.083799][ T28] vfs_write+0x2a0/0x918 [ 428.084850][ T28] ksys_write+0x15c/0x26c [ 428.085982][ T28] __arm64_sys_write+0x7c/0x90 [ 428.087119][ T28] invoke_syscall+0x98/0x2c0 [ 428.088255][ T28] el0_svc_common+0x138/0x258 [ 428.089401][ T28] do_el0_svc+0x64/0x198 [ 428.090519][ T28] el0_svc+0x4c/0x15c [ 428.091460][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.092651][ T28] el0t_64_sync+0x190/0x194 [ 428.093720][ T28] INFO: task syz-executor410:6061 blocked for more than 143 seconds. [ 428.095630][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.097401][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.099504][ T28] task:syz-executor410 state:D stack:0 pid:6061 ppid:5992 flags:0x00000009 [ 428.101919][ T28] Call trace: [ 428.102711][ T28] __switch_to+0x320/0x754 [ 428.103856][ T28] __schedule+0x1368/0x23b8 [ 428.104993][ T28] schedule+0xc4/0x170 [ 428.106012][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.107318][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.108610][ T28] mutex_lock_nested+0x2c/0x38 [ 428.109731][ T28] rfkill_register+0x44/0x7a4 [ 428.110923][ T28] nfc_register_device+0x148/0x310 [ 428.112237][ T28] nci_register_device+0x6ac/0x7c4 [ 428.113421][ T28] virtual_ncidev_open+0x13c/0x1bc [ 428.114547][ T28] misc_open+0x2f0/0x368 [ 428.115590][ T28] chrdev_open+0x3e8/0x4fc [ 428.116722][ T28] do_dentry_open+0x724/0xf90 [ 428.117791][ T28] vfs_open+0x7c/0x90 [ 428.118790][ T28] path_openat+0x1f2c/0x27f8 [ 428.119830][ T28] do_filp_open+0x1bc/0x3cc [ 428.120898][ T28] do_sys_openat2+0x128/0x3d8 [ 428.121968][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.123262][ T28] invoke_syscall+0x98/0x2c0 [ 428.124586][ T28] el0_svc_common+0x138/0x258 [ 428.125679][ T28] do_el0_svc+0x64/0x198 [ 428.126746][ T28] el0_svc+0x4c/0x15c [ 428.127725][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.128941][ T28] el0t_64_sync+0x190/0x194 [ 428.130058][ T28] INFO: task syz-executor410:6066 blocked for more than 143 seconds. [ 428.132213][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.133957][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.136151][ T28] task:syz-executor410 state:D stack:0 pid:6066 ppid:5994 flags:0x00000001 [ 428.138334][ T28] Call trace: [ 428.139194][ T28] __switch_to+0x320/0x754 [ 428.140287][ T28] __schedule+0x1368/0x23b8 [ 428.141412][ T28] schedule+0xc4/0x170 [ 428.142416][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.143766][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.145052][ T28] mutex_lock_nested+0x2c/0x38 [ 428.146175][ T28] misc_open+0x6c/0x368 [ 428.147226][ T28] chrdev_open+0x3e8/0x4fc [ 428.148385][ T28] do_dentry_open+0x724/0xf90 [ 428.149563][ T28] vfs_open+0x7c/0x90 [ 428.150575][ T28] path_openat+0x1f2c/0x27f8 [ 428.151656][ T28] do_filp_open+0x1bc/0x3cc [ 428.152793][ T28] do_sys_openat2+0x128/0x3d8 [ 428.153957][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.155181][ T28] invoke_syscall+0x98/0x2c0 [ 428.156265][ T28] el0_svc_common+0x138/0x258 [ 428.157386][ T28] do_el0_svc+0x64/0x198 [ 428.158452][ T28] el0_svc+0x4c/0x15c [ 428.159436][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.160666][ T28] el0t_64_sync+0x190/0x194 [ 428.161841][ T28] INFO: task syz-executor410:6071 blocked for more than 143 seconds. [ 428.163739][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.165594][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.167892][ T28] task:syz-executor410 state:D stack:0 pid:6071 ppid:5995 flags:0x00000001 [ 428.170473][ T28] Call trace: [ 428.171239][ T28] __switch_to+0x320/0x754 [ 428.172432][ T28] __schedule+0x1368/0x23b8 [ 428.173594][ T28] schedule+0xc4/0x170 [ 428.174563][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.175839][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.177211][ T28] mutex_lock_nested+0x2c/0x38 [ 428.178422][ T28] misc_open+0x6c/0x368 [ 428.179532][ T28] chrdev_open+0x3e8/0x4fc [ 428.180680][ T28] do_dentry_open+0x724/0xf90 [ 428.181832][ T28] vfs_open+0x7c/0x90 [ 428.182851][ T28] path_openat+0x1f2c/0x27f8 [ 428.184040][ T28] do_filp_open+0x1bc/0x3cc [ 428.185207][ T28] do_sys_openat2+0x128/0x3d8 [ 428.186472][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.187728][ T28] invoke_syscall+0x98/0x2c0 [ 428.188924][ T28] el0_svc_common+0x138/0x258 [ 428.190146][ T28] do_el0_svc+0x64/0x198 [ 428.191412][ T28] el0_svc+0x4c/0x15c [ 428.192413][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.193732][ T28] el0t_64_sync+0x190/0x194 [ 428.194843][ T28] INFO: task kworker/1:9:6072 blocked for more than 143 seconds. [ 428.196774][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.198510][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.200684][ T28] task:kworker/1:9 state:D stack:0 pid:6072 ppid:2 flags:0x00000008 [ 428.202974][ T28] Workqueue: events rfkill_global_led_trigger_worker [ 428.204626][ T28] Call trace: [ 428.205492][ T28] __switch_to+0x320/0x754 [ 428.206654][ T28] __schedule+0x1368/0x23b8 [ 428.207784][ T28] schedule+0xc4/0x170 [ 428.208723][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.210062][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.211483][ T28] mutex_lock_nested+0x2c/0x38 [ 428.212665][ T28] rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.214229][ T28] process_one_work+0x788/0x12d4 [ 428.215449][ T28] worker_thread+0x8e0/0xfe8 [ 428.216614][ T28] kthread+0x288/0x310 [ 428.217724][ T28] ret_from_fork+0x10/0x20 [ 428.218854][ T28] INFO: task syz-executor410:6076 blocked for more than 143 seconds. [ 428.220959][ T28] Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.222763][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.224757][ T28] task:syz-executor410 state:D stack:0 pid:6076 ppid:5991 flags:0x00000001 [ 428.227069][ T28] Call trace: [ 428.227828][ T28] __switch_to+0x320/0x754 [ 428.228864][ T28] __schedule+0x1368/0x23b8 [ 428.229985][ T28] schedule+0xc4/0x170 [ 428.231137][ T28] schedule_preempt_disabled+0x18/0x2c [ 428.232383][ T28] __mutex_lock_common+0xbd8/0x21a0 [ 428.233618][ T28] mutex_lock_nested+0x2c/0x38 [ 428.234714][ T28] misc_open+0x6c/0x368 [ 428.235664][ T28] chrdev_open+0x3e8/0x4fc [ 428.236652][ T28] do_dentry_open+0x724/0xf90 [ 428.237715][ T28] vfs_open+0x7c/0x90 [ 428.238625][ T28] path_openat+0x1f2c/0x27f8 [ 428.239715][ T28] do_filp_open+0x1bc/0x3cc [ 428.240975][ T28] do_sys_openat2+0x128/0x3d8 [ 428.242028][ T28] __arm64_sys_openat+0x1f0/0x240 [ 428.243225][ T28] invoke_syscall+0x98/0x2c0 [ 428.244382][ T28] el0_svc_common+0x138/0x258 [ 428.245514][ T28] do_el0_svc+0x64/0x198 [ 428.246508][ T28] el0_svc+0x4c/0x15c [ 428.247450][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.248626][ T28] el0t_64_sync+0x190/0x194 [ 428.249699][ T28] [ 428.249699][ T28] Showing all locks held in the system: [ 428.251678][ T28] 1 lock held by rcu_tasks_kthre/13: [ 428.252871][ T28] #0: ffff800016091050 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.255353][ T28] 1 lock held by rcu_tasks_trace/14: [ 428.256577][ T28] #0: ffff800016091410 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.258977][ T28] 1 lock held by khungtaskd/28: [ 428.260101][ T28] #0: ffff800016090e80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.262456][ T28] 2 locks held by getty/5732: [ 428.263557][ T28] #0: ffff0000cfe85098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.265688][ T28] #1: ffff80001ae102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 428.268097][ T28] 2 locks held by syz-executor410/6034: [ 428.269319][ T28] #0: ffff0000c9cad100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 [ 428.271897][ T28] #1: ffff800018a57008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 [ 428.274369][ T28] 2 locks held by syz-executor410/6057: [ 428.275791][ T28] #0: ffff800018a57008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x234/0x734 [ 428.278238][ T28] #1: ffff0000c9cad100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 [ 428.280580][ T28] 3 locks held by syz-executor410/6061: [ 428.281857][ T28] #0: ffff800017499f48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.284047][ T28] #1: ffff0000dcd19100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0xb4/0x310 [ 428.286320][ T28] #2: ffff800018a57008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7a4 [ 428.288727][ T28] 1 lock held by syz-executor410/6066: [ 428.289990][ T28] #0: ffff800017499f48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.292136][ T28] 1 lock held by syz-executor410/6071: [ 428.293339][ T28] #0: ffff800017499f48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.295254][ T28] 3 locks held by kworker/1:9/6072: [ 428.296425][ T28] #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 [ 428.298900][ T28] #1: ffff80001f037c20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 [ 428.302110][ T28] #2: ffff800018a57008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 [ 428.304791][ T28] 1 lock held by syz-executor410/6076: [ 428.306131][ T28] #0: ffff800017499f48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 [ 428.308065][ T28] [ 428.308616][ T28] ============================================= [ 428.308616][ T28] [ 428.310676][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 428.312321][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 428.314539][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 428.316947][ T28] Call trace: [ 428.317687][ T28] dump_backtrace+0x1b8/0x1e4 [ 428.318815][ T28] show_stack+0x2c/0x44 [ 428.319865][ T28] dump_stack_lvl+0xd0/0x124 [ 428.320985][ T28] dump_stack+0x1c/0x28 [ 428.321983][ T28] panic+0x2d0/0x7b4 [ 428.322903][ T28] hung_task_panic+0x0/0x2c [ 428.323974][ T28] kthread+0x288/0x310 [ 428.325008][ T28] ret_from_fork+0x10/0x20 [ 428.326087][ T28] SMP: stopping secondary CPUs [ 428.327321][ T28] Kernel Offset: disabled [ 428.328268][ T28] CPU features: 0x000000,40e00804,64017203 [ 428.329637][ T28] Memory Limit: none [ 428.624462][ T28] Rebooting in 86400 seconds..