[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. syzkaller login: [ 1586.833735][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 1586.840289][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 1586.866341][ T8501] IPVS: ftp: loaded support on port[0] = 21 [ 1586.866346][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 1586.881767][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 1586.908477][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 1587.262547][ T8519] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.270829][ T8519] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.288667][ T26] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.331115][ T26] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.345465][ T341] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.360866][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.378413][ T341] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.388342][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.410875][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.425455][ T341] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.442543][ T26] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.451011][ T26] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.452476][ T8713] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.458009][ T341] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.460148][ T8713] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.482611][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.498841][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 1587.551130][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.569935][ T8519] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.586963][ C1] hrtimer: interrupt took 35240 ns [ 1587.604413][ T26] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.628134][ T26] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.636056][ T8713] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.644676][ T341] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.652945][ T8519] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.662828][ T341] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.676482][ T8713] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.691627][ T8786] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.699841][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.722418][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.739824][ T8786] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 1587.816526][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.824626][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.832975][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.884051][ T8519] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program executing program executing program executing program [ 1588.139837][ T8519] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 1588.532850][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 1588.902763][ T8474] Bluetooth: hci3: command 0x0409 tx timeout [ 1588.938546][ T8797] Bluetooth: hci0: command 0x0409 tx timeout [ 1588.944902][ T8797] Bluetooth: hci1: command 0x0409 tx timeout executing program executing program [ 1588.951223][ T8797] Bluetooth: hci2: command 0x0409 tx timeout [ 1588.957240][ T8797] Bluetooth: hci5: command 0x0409 tx timeout [ 1588.966418][ T8797] Bluetooth: hci4: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1591.043578][ T8474] Bluetooth: hci4: command 0x041b tx timeout [ 1591.118620][ T8474] Bluetooth: hci5: command 0x041b tx timeout [ 1591.316878][ T8474] Bluetooth: hci2: command 0x041b tx timeout [ 1591.485390][ T8474] Bluetooth: hci1: command 0x041b tx timeout [ 1591.787401][ T8474] Bluetooth: hci0: command 0x041b tx timeout executing program executing program [ 1591.923186][ T8474] Bluetooth: hci3: command 0x041b tx timeout executing program executing program executing program executing program executing program [ 1593.164782][ T8474] Bluetooth: hci4: command 0x040f tx timeout executing program [ 1593.383948][ T8474] Bluetooth: hci5: command 0x040f tx timeout [ 1593.671644][ T8474] Bluetooth: hci2: command 0x040f tx timeout [ 1593.861660][ T8474] Bluetooth: hci1: command 0x040f tx timeout executing program [ 1594.464696][ T8474] Bluetooth: hci3: command 0x040f tx timeout executing program executing program [ 1594.617377][ T8474] Bluetooth: hci0: command 0x040f tx timeout executing program executing program executing program [ 1595.223615][ T8474] Bluetooth: hci4: command 0x0419 tx timeout executing program executing program executing program executing program [ 1595.531444][ T8474] Bluetooth: hci5: command 0x0419 tx timeout executing program executing program executing program executing program executing program [ 1595.711296][ T8474] Bluetooth: hci2: command 0x0419 tx timeout executing program executing program executing program executing program [ 1595.941616][ T8474] Bluetooth: hci1: command 0x0419 tx timeout executing program executing program executing program executing program executing program [ 1596.582089][ T8474] Bluetooth: hci3: command 0x0419 tx timeout [ 1596.979352][ T8474] Bluetooth: hci0: command 0x0419 tx timeout 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 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 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 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 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 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1711.226650][ T8474] Bluetooth: hci1: command 0x0406 tx timeout [ 1711.881579][ T8474] Bluetooth: hci0: command 0x0406 tx timeout executing program [ 1712.098708][ T8474] Bluetooth: hci4: command 0x0406 tx timeout executing program [ 1712.363920][ T8474] Bluetooth: hci5: command 0x0406 tx timeout executing program executing program executing program [ 1712.819812][ T8474] Bluetooth: hci2: command 0x0406 tx timeout [ 1713.000018][ T8474] Bluetooth: hci3: command 0x0406 tx timeout 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 2092.031581][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 2092.040156][ C1] (detected by 1, t=10502 jiffies, g=23301, q=58) [ 2092.047003][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10470 (4295146385-4295135915), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 2092.060352][ C1] rcu: rcu_preempt kthread starved for 10470 jiffies! g23301 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 2092.072231][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 2092.082837][ C1] rcu: RCU grace-period kthread stack dump: [ 2092.088707][ C1] task:rcu_preempt state:R running task stack:29512 pid: 11 ppid: 2 flags:0x00004000 [ 2092.100186][ C1] Call Trace: [ 2092.105312][ C1] __schedule+0x8cd/0x2150 [ 2092.110944][ C1] ? io_schedule_timeout+0x140/0x140 [ 2092.116627][ C1] ? debug_object_destroy+0x210/0x210 [ 2092.122428][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 2092.127260][ C1] schedule+0xcf/0x270 [ 2092.131375][ C1] schedule_timeout+0x148/0x250 [ 2092.136218][ C1] ? usleep_range+0x170/0x170 [ 2092.140874][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 2092.146053][ C1] ? __next_timer_interrupt+0x210/0x210 [ 2092.151588][ C1] ? prepare_to_swait_exclusive+0x2d0/0x2d0 [ 2092.157644][ C1] rcu_gp_kthread+0xbbe/0x1d70 [ 2092.162480][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 2092.167312][ C1] ? rcu_core_si+0x10/0x10 [ 2092.171711][ C1] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 2092.177669][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 2092.182955][ C1] ? __kthread_parkme+0x13f/0x1e0 [ 2092.187958][ C1] ? rcu_core_si+0x10/0x10 [ 2092.192460][ C1] kthread+0x3b1/0x4a0 [ 2092.196509][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 2092.202381][ C1] ret_from_fork+0x1f/0x30 [ 2092.207846][ C1] [ 2092.210151][ C1] ================================ [ 2092.215321][ C1] WARNING: inconsistent lock state [ 2092.220428][ C1] 5.10.0-syzkaller #0 Not tainted [ 2092.225428][ C1] -------------------------------- [ 2092.230512][ C1] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. [ 2092.237346][ C1] syz-executor963/12923 [HC0[0]:SC1[1]:HE0:SE0] takes: [ 2092.244169][ C1] ffffffff8b341358 (rcu_node_0){?.-.}-{2:2}, at: rcu_sched_clock_irq.cold+0xbc/0xec3 [ 2092.253880][ C1] {IN-HARDIRQ-W} state was registered at: [ 2092.259570][ C1] lock_acquire+0x29d/0x740 [ 2092.264129][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 2092.269385][ C1] rcu_report_exp_cpu_mult+0x72/0x320 [ 2092.274905][ C1] flush_smp_call_function_queue+0x34b/0x640 [ 2092.280956][ C1] __sysvec_call_function_single+0x95/0x3d0 [ 2092.287154][ C1] asm_call_irq_on_stack+0xf/0x20 [ 2092.292495][ C1] sysvec_call_function_single+0xbd/0x100 [ 2092.298728][ C1] asm_sysvec_call_function_single+0x12/0x20 [ 2092.304763][ C1] __sanitizer_cov_trace_pc+0x19/0x60 [ 2092.314365][ C1] do_exit+0x1834/0x29f0 [ 2092.318754][ C1] call_usermodehelper_exec_async+0x413/0x580 [ 2092.324970][ C1] ret_from_fork+0x1f/0x30 [ 2092.329442][ C1] irq event stamp: 19914721 [ 2092.333925][ C1] hardirqs last enabled at (19914720): [] asm_sysvec_irq_work+0x12/0x20 [ 2092.343883][ C1] hardirqs last disabled at (19914721): [] sysvec_apic_timer_interrupt+0xc/0x100 [ 2092.354525][ C1] softirqs last enabled at (14600310): [] asm_call_irq_on_stack+0xf/0x20 [ 2092.364568][ C1] softirqs last disabled at (14600313): [] asm_call_irq_on_stack+0xf/0x20 [ 2092.374602][ C1] [ 2092.374602][ C1] other info that might help us debug this: [ 2092.382721][ C1] Possible unsafe locking scenario: [ 2092.382721][ C1] [ 2092.390140][ C1] CPU0 [ 2092.393391][ C1] ---- [ 2092.396645][ C1] lock(rcu_node_0); [ 2092.400683][ C1] [ 2092.404108][ C1] lock(rcu_node_0); [ 2092.408232][ C1] [ 2092.408232][ C1] *** DEADLOCK *** [ 2092.408232][ C1] [ 2092.416349][ C1] 3 locks held by syz-executor963/12923: [ 2092.421946][ C1] #0: ffffffff8b339260 (rcu_read_lock){....}-{1:2}, at: ieee80211_iterate_active_interfaces_atomic+0x0/0x170 [ 2092.433915][ C1] #1: ffffffff8fa0c4f8 (&hwsim_radio_lock){+.-.}-{2:2}, at: mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 [ 2092.445621][ C1] #2: ffffffff8b341358 (rcu_node_0){?.-.}-{2:2}, at: rcu_sched_clock_irq.cold+0xbc/0xec3 [ 2092.455499][ C1] [ 2092.455499][ C1] stack backtrace: [ 2092.461368][ C1] CPU: 1 PID: 12923 Comm: syz-executor963 Not tainted 5.10.0-syzkaller #0 [ 2092.469860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2092.479973][ C1] Call Trace: [ 2092.483231][ C1] [ 2092.486063][ C1] dump_stack+0x107/0x163 [ 2092.490367][ C1] mark_lock.cold+0x31/0x73 [ 2092.494844][ C1] ? ktime_get+0x154/0x1e0 [ 2092.499247][ C1] ? lock_chain_count+0x20/0x20 [ 2092.504068][ C1] ? clockevents_program_event+0x12b/0x350 [ 2092.509842][ C1] ? tick_program_event+0xb4/0x140 [ 2092.514927][ C1] ? hrtimer_interrupt+0x6c3/0x940 [ 2092.520038][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 2092.525214][ C1] ? sched_clock+0x2a/0x40 [ 2092.529621][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 2092.534445][ C1] mark_held_locks+0x9f/0xe0 [ 2092.539007][ C1] ? irqtime_account_irq+0x17e/0x2d0 [ 2092.544443][ C1] lockdep_hardirqs_on_prepare+0x135/0x400 [ 2092.550221][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2092.556829][ C1] trace_hardirqs_on+0x5b/0x1c0 [ 2092.561870][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2092.567824][ C1] RIP: 0010:__module_text_address+0x7/0x160 [ 2092.574112][ C1] Code: 1f 40 00 48 39 3d 29 1d 9a 09 77 0e 48 39 3d 28 1d 9a 09 72 05 e9 09 e4 fe ff 31 c0 c3 66 0f 1f 44 00 00 48 3b 3d 09 1d 9a 09 <0f> 82 09 01 00 00 55 48 89 fd 53 48 83 ec 08 48 3b 3d fb 1c 9a 09 [ 2092.593702][ C1] RSP: 0018:ffffc90000d906e8 EFLAGS: 00000217 [ 2092.599754][ C1] RAX: 0000000000000103 RBX: 00000000004493a9 RCX: 1ffffffff1de7b44 [ 2092.607700][ C1] RDX: 0000000000000000 RSI: 0000000000000103 RDI: 00000000004493a9 [ 2092.615646][ C1] RBP: 00000000004493a9 R08: ffffffff8df5caa2 R09: ffffffff8df5caa6 [ 2092.623606][ C1] R10: 0000000000082081 R11: 0000000000000001 R12: ffffc90000d90800 [ 2092.631551][ C1] R13: 0000000000000000 R14: ffff88801c109ac0 R15: 00000000000000e0 [ 2092.639702][ C1] is_module_text_address+0x18/0x50 [ 2092.644886][ C1] kernel_text_address+0x62/0xf0 [ 2092.649879][ C1] __kernel_text_address+0x9/0x30 [ 2092.655070][ C1] unwind_get_return_address+0x51/0x90 [ 2092.660605][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 2092.665798][ C1] arch_stack_walk+0x93/0xe0 [ 2092.670360][ C1] stack_trace_save+0x8c/0xc0 [ 2092.675011][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 2092.680789][ C1] ? mark_lock+0xf7/0x1730 [ 2092.685196][ C1] kasan_save_stack+0x1b/0x40 [ 2092.689841][ C1] ? kasan_save_stack+0x1b/0x40 [ 2092.694664][ C1] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 2092.700437][ C1] ? kmem_cache_alloc_node+0x1e0/0x470 [ 2092.705862][ C1] ? __alloc_skb+0x71/0x550 [ 2092.710331][ C1] ? skb_copy+0x137/0x2f0 [ 2092.714636][ C1] ? mac80211_hwsim_tx_frame_no_nl.isra.0+0xb17/0x1330 [ 2092.721470][ C1] ? mac80211_hwsim_tx_frame+0x14f/0x1e0 [ 2092.727070][ C1] ? mac80211_hwsim_beacon_tx+0x4ba/0x910 [ 2092.732767][ C1] ? __iterate_interfaces+0x1e5/0x520 [ 2092.738129][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 2092.745296][ C1] ? mac80211_hwsim_beacon+0xd5/0x1a0 [ 2092.750641][ C1] ? __hrtimer_run_queues+0x693/0xea0 [ 2092.755982][ C1] ? hrtimer_run_softirq+0x17b/0x360 [ 2092.761238][ C1] ? __do_softirq+0x2a0/0x9f6 [ 2092.765886][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 2092.771059][ C1] ? do_softirq_own_stack+0xaa/0xd0 [ 2092.776469][ C1] ? irq_exit_rcu+0x132/0x200 [ 2092.781858][ C1] ? sysvec_apic_timer_interrupt+0x4d/0x100 [ 2092.787941][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2092.794068][ C1] ? __pv_queued_spin_unlock_slowpath+0xa6/0x290 [ 2092.800454][ C1] ? __raw_callee_save___pv_queued_spin_unlock_slowpath+0x11/0x20 [ 2092.809096][ C1] ? .slowpath+0x9/0xe [ 2092.813138][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 2092.818326][ C1] ? _raw_spin_unlock+0x1a/0x40 [ 2092.823152][ C1] ? __khugepaged_exit+0x28d/0x3f0 [ 2092.828231][ C1] ? __mmput+0x389/0x470 [ 2092.832450][ C1] ? mmput+0x53/0x60 [ 2092.836318][ C1] ? do_exit+0xaa9/0x29f0 [ 2092.840635][ C1] ? do_group_exit+0x125/0x310 [ 2092.845395][ C1] ? get_signal+0x42a/0x1fb0 [ 2092.849959][ C1] ? arch_do_signal_or_restart+0x2a8/0x1eb0 [ 2092.855822][ C1] ? exit_to_user_mode_prepare+0x124/0x200 [ 2092.861603][ C1] ? syscall_exit_to_user_mode+0x19/0x50 [ 2092.867223][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2092.873264][ C1] ? mark_held_locks+0x9f/0xe0 [ 2092.877997][ C1] ? irqtime_account_irq+0x17e/0x2d0 [ 2092.883253][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 2092.888334][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 2092.893501][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 2092.898949][ C1] ? __alloc_skb+0x71/0x550 [ 2092.903431][ C1] ? kasan_unpoison_shadow+0x33/0x40 [ 2092.909498][ C1] __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 2092.915518][ C1] kmem_cache_alloc_node+0x1e0/0x470 [ 2092.920776][ C1] __alloc_skb+0x71/0x550 [ 2092.925170][ C1] skb_copy+0x137/0x2f0 [ 2092.929386][ C1] mac80211_hwsim_tx_frame_no_nl.isra.0+0xb17/0x1330 [ 2092.936289][ C1] ? mac80211_hwsim_add_chanctx+0x220/0x220 [ 2092.942158][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 2092.947349][ C1] ? mac80211_hwsim_monitor_rx+0x1c2/0x840 [ 2092.953127][ C1] mac80211_hwsim_tx_frame+0x14f/0x1e0 [ 2092.958660][ C1] mac80211_hwsim_beacon_tx+0x4ba/0x910 [ 2092.964213][ C1] __iterate_interfaces+0x1e5/0x520 [ 2092.969395][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 2092.974996][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 2092.980614][ C1] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 2092.987715][ C1] ? mac80211_hwsim_addr_match+0x180/0x180 [ 2092.993578][ C1] mac80211_hwsim_beacon+0xd5/0x1a0 [ 2092.998763][ C1] ? mac80211_hwsim_addr_match+0x180/0x180 [ 2093.004544][ C1] __hrtimer_run_queues+0x693/0xea0 [ 2093.009729][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 2093.015695][ C1] ? ktime_get_update_offsets_now+0x249/0x320 [ 2093.021740][ C1] hrtimer_run_softirq+0x17b/0x360 [ 2093.026843][ C1] __do_softirq+0x2a0/0x9f6 [ 2093.031336][ C1] asm_call_irq_on_stack+0xf/0x20 [ 2093.036337][ C1] [ 2093.039427][ C1] do_softirq_own_stack+0xaa/0xd0 [ 2093.044429][ C1] irq_exit_rcu+0x132/0x200 [ 2093.048925][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 2093.054620][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2093.060574][ C1] RIP: 0010:__pv_queued_spin_unlock_slowpath+0xa6/0x290 [ 2093.067937][ C1] Code: 63 ed eb 1a 4c 89 eb 48 21 eb 48 83 c5 01 48 c1 e3 04 4c 01 fb 48 39 d5 0f 84 95 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <0f> 85 6e 01 00 00 48 8b 03 49 39 c4 75 cc 48 8d 7b 08 48 b8 00 00 [ 2093.087525][ C1] RSP: 0018:ffffc900027ffa48 EFLAGS: 00000246 [ 2093.093757][ C1] RAX: 1ffff11047ffcd88 RBX: ffff88823ffe6c40 RCX: 0000000000000008 [ 2093.101794][ C1] RDX: 00000000000001b9 RSI: 0000000000000003 RDI: ffffffff8b4629a0 [ 2093.109742][ C1] RBP: 00000000000000b9 R08: 0000000000000000 R09: ffffffff8b4629a3 [ 2093.117704][ C1] R10: fffffbfff168c534 R11: 0000000000000000 R12: ffffffff8b4629a0 [ 2093.125997][ C1] R13: 00000000000000ff R14: dffffc0000000000 R15: ffff88823ffe60c0 [ 2093.134228][ C1] __raw_callee_save___pv_queued_spin_unlock_slowpath+0x11/0x20 [ 2093.141853][ C1] ? do_raw_spin_unlock+0x50/0x230 [ 2093.147020][ C1] .slowpath+0x9/0xe [ 2093.151230][ C1] do_raw_spin_unlock+0x171/0x230 [ 2093.156241][ C1] _raw_spin_unlock+0x1a/0x40 [ 2093.160973][ C1] __khugepaged_exit+0x28d/0x3f0 [ 2093.165896][ C1] __mmput+0x389/0x470 [ 2093.169947][ C1] mmput+0x53/0x60 [ 2093.173641][ C1] do_exit+0xaa9/0x29f0 [ 2093.177772][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 2093.183120][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 2093.188212][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 2093.193486][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 2093.198570][ C1] do_group_exit+0x125/0x310 [ 2093.203228][ C1] get_signal+0x42a/0x1fb0 [ 2093.207620][ C1] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 2093.213311][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 2093.219542][ C1] ? copy_siginfo_to_user32+0xa0/0xa0 [ 2093.224930][ C1] ? __do_sys_futex+0x2a2/0x470 [ 2093.229767][ C1] ? __do_sys_futex+0x2ab/0x470 [ 2093.234764][ C1] ? do_futex+0x1a60/0x1a60 [ 2093.239242][ C1] exit_to_user_mode_prepare+0x124/0x200 [ 2093.245019][ C1] syscall_exit_to_user_mode+0x19/0x50 [ 2093.250534][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2093.256410][ C1] RIP: 0033:0x4493a9 [ 2093.260273][ C1] Code: Unable to access opcode bytes at RIP 0x44937f. [ 2093.267210][ C1] RSP: 002b:00007f9c01b28cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 2093.275596][ C1] RAX: fffffffffffffe00 RBX: 00000000006dfc48 RCX: 00000000004493a9 [ 2093.283928][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dfc48 [ 2093.291961][ C1] RBP: 00000000006dfc40 R08: 0000000000000000 R09: 0000000000000000 [ 2093.299922][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc4c [ 2093.307973][ C1] R13: 00007ffda445dfaf R14: 00007f9c01b299c0 R15: 0000000000000001 [ 2093.781234][ C1] softirq: huh, entered softirq 8 HRTIMER 00000000c3e5de91 with preempt_count 00000101, exited with 00000102?