Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.241442][ T2962] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 73.522140][ T2962] usb 1-1: too many configurations: 96, using maximum allowed: 8 [ 74.331436][ T2962] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 74.340615][ T2962] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 74.350344][ T2962] usb 1-1: Product: syz [ 74.355146][ T2962] usb 1-1: Manufacturer: syz [ 74.360568][ T2962] usb 1-1: SerialNumber: syz [ 74.417651][ T2962] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 75.051283][ T2962] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 75.661449][ C0] INFO: trying to register non-static key. [ 75.667332][ C0] The code is fine but needs lockdep annotation, or maybe [ 75.674510][ C0] you didn't initialize this object before use? [ 75.680738][ C0] turning off the locking correctness validator. [ 75.687131][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 75.695281][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.705426][ C0] Call Trace: [ 75.708796][ C0] [ 75.711642][ C0] dump_stack_lvl+0xcd/0x134 [ 75.716346][ C0] register_lock_class+0xf79/0x10c0 [ 75.721632][ C0] ? mark_lock+0xef/0x17b0 [ 75.726117][ C0] ? mark_lock+0xef/0x17b0 [ 75.730614][ C0] ? is_dynamic_key+0x1a0/0x1a0 [ 75.735829][ C0] ? lock_chain_count+0x20/0x20 [ 75.740679][ C0] ? lock_chain_count+0x20/0x20 [ 75.745518][ C0] __lock_acquire+0x105/0x54a0 [ 75.750283][ C0] ? lock_chain_count+0x20/0x20 [ 75.755296][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.761267][ C0] lock_acquire+0x1ab/0x510 [ 75.765883][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 75.770979][ C0] ? lock_release+0x720/0x720 [ 75.775829][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 75.781025][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 75.785879][ C0] ath9k_htc_rxep+0x31/0x210 [ 75.790459][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 75.795487][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 75.801727][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 75.807439][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 75.812890][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 75.818182][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 75.823653][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 75.828940][ C0] dummy_timer+0x11f9/0x32b0 [ 75.833537][ C0] ? dummy_dequeue+0x500/0x500 [ 75.838297][ C0] ? dummy_dequeue+0x500/0x500 [ 75.843506][ C0] call_timer_fn+0x1a5/0x6b0 [ 75.848386][ C0] ? add_timer_on+0x4a0/0x4a0 [ 75.853224][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 75.858084][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 75.863362][ C0] ? dummy_dequeue+0x500/0x500 [ 75.868119][ C0] __run_timers.part.0+0x675/0xa20 [ 75.873388][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 75.878322][ C0] ? lapic_next_event+0x4d/0x80 [ 75.883170][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 75.888907][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 75.893774][ C0] run_timer_softirq+0xb3/0x1d0 [ 75.898696][ C0] __do_softirq+0x29b/0x9c2 [ 75.903221][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 75.908099][ C0] irq_exit_rcu+0x5/0x20 [ 75.912347][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 75.917980][ C0] [ 75.920908][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 75.927182][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 75.933310][ C0] Code: 89 de e8 1d 8f 48 f8 84 db 75 ac e8 d4 88 48 f8 e8 cf b1 4e f8 eb 0c e8 c8 88 48 f8 0f 00 2d 61 3e c2 00 e8 bc 88 48 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 07 8e 48 f8 48 85 db [ 75.953473][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 75.959540][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.967511][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 75.975613][ C0] RBP: ffff888014f94864 R08: 0000000000000001 R09: 0000000000000001 [ 75.983929][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 75.992235][ C0] R13: ffff888014f94800 R14: ffff888014f94864 R15: ffff88801b733804 [ 76.000205][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 76.005577][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 76.010774][ C0] acpi_idle_enter+0x361/0x500 [ 76.015535][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 76.020646][ C0] cpuidle_enter+0x4a/0xa0 [ 76.025051][ C0] do_idle+0x3e8/0x590 [ 76.029106][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 76.034121][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 76.040361][ C0] cpu_startup_entry+0x14/0x20 [ 76.045117][ C0] start_kernel+0x47a/0x49b [ 76.049619][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 76.056303][ C0] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 76.064099][ C0] #PF: supervisor read access in kernel mode [ 76.070162][ C0] #PF: error_code(0x0000) - not-present page [ 76.076130][ C0] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 [ 76.082197][ C0] Oops: 0000 [#1] PREEMPT SMP KASAN [ 76.088482][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 76.096950][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.107275][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 76.112850][ C0] Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 c0 84 6c fc 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 dd 8a 6c fc 45 84 ff 75 a8 e8 93 84 [ 76.133015][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 76.139816][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 76.149018][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 76.158001][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 76.167238][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888018b436d8 [ 76.176495][ C0] R13: ffff888018b432a0 R14: ffff888018b436e8 R15: ffff8880209af8a8 [ 76.185311][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.194420][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.201101][ C0] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506f0 [ 76.209638][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.217874][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.226350][ C0] Call Trace: [ 76.229625][ C0] [ 76.232639][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 76.237803][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 76.242656][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 76.248959][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 76.254547][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 76.259842][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 76.265259][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 76.270464][ C0] dummy_timer+0x11f9/0x32b0 [ 76.275049][ C0] ? dummy_dequeue+0x500/0x500 [ 76.279826][ C0] ? dummy_dequeue+0x500/0x500 [ 76.284660][ C0] call_timer_fn+0x1a5/0x6b0 [ 76.289328][ C0] ? add_timer_on+0x4a0/0x4a0 [ 76.294028][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 76.298953][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 76.304152][ C0] ? dummy_dequeue+0x500/0x500 [ 76.308998][ C0] __run_timers.part.0+0x675/0xa20 [ 76.314404][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 76.319516][ C0] ? lapic_next_event+0x4d/0x80 [ 76.324467][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 76.330176][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 76.335040][ C0] run_timer_softirq+0xb3/0x1d0 [ 76.343371][ C0] __do_softirq+0x29b/0x9c2 [ 76.348056][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 76.352737][ C0] irq_exit_rcu+0x5/0x20 [ 76.356978][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 76.362604][ C0] [ 76.365519][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 76.372096][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 76.377899][ C0] Code: 89 de e8 1d 8f 48 f8 84 db 75 ac e8 d4 88 48 f8 e8 cf b1 4e f8 eb 0c e8 c8 88 48 f8 0f 00 2d 61 3e c2 00 e8 bc 88 48 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 07 8e 48 f8 48 85 db [ 76.397848][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 76.404037][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.412270][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 76.420702][ C0] RBP: ffff888014f94864 R08: 0000000000000001 R09: 0000000000000001 [ 76.428847][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 76.436838][ C0] R13: ffff888014f94800 R14: ffff888014f94864 R15: ffff88801b733804 [ 76.445188][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 76.450209][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 76.455403][ C0] acpi_idle_enter+0x361/0x500 [ 76.460164][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 76.465287][ C0] cpuidle_enter+0x4a/0xa0 [ 76.469704][ C0] do_idle+0x3e8/0x590 [ 76.473846][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 76.479182][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 76.487796][ C0] cpu_startup_entry+0x14/0x20 [ 76.492672][ C0] start_kernel+0x47a/0x49b [ 76.497400][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 76.503553][ C0] Modules linked in: [ 76.507450][ C0] CR2: ffffffffffffffc8 [ 76.511818][ C0] ---[ end trace fbacd38def4f7be8 ]--- [ 76.517702][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 76.523101][ C0] Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 c0 84 6c fc 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 dd 8a 6c fc 45 84 ff 75 a8 e8 93 84 [ 76.543035][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 76.549347][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 76.557549][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 76.565613][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 76.573571][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888018b436d8 [ 76.581675][ C0] R13: ffff888018b432a0 R14: ffff888018b436e8 R15: ffff8880209af8a8 [ 76.589774][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.598878][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.605480][ C0] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506f0 [ 76.613456][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.621658][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.629733][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 76.638427][ C0] Kernel Offset: disabled [ 76.642842][ C0] Rebooting in 86400 seconds..