[ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.831023][ T20] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 70.111364][ T20] usb 1-1: too many configurations: 210, using maximum allowed: 8 [ 70.911202][ T20] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 70.920239][ T20] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 70.929256][ T20] usb 1-1: Product: syz [ 70.934030][ T20] usb 1-1: Manufacturer: syz [ 70.938623][ T20] usb 1-1: SerialNumber: syz [ 70.992717][ T20] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 71.670878][ T20] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 72.290966][ C1] INFO: trying to register non-static key. [ 72.296796][ C1] The code is fine but needs lockdep annotation, or maybe [ 72.303892][ C1] you didn't initialize this object before use? [ 72.310120][ C1] turning off the locking correctness validator. [ 72.316420][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.14.0-rc6-syzkaller #0 [ 72.324379][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.334428][ C1] Call Trace: [ 72.337696][ C1] [ 72.340525][ C1] dump_stack_lvl+0xcd/0x134 [ 72.345120][ C1] register_lock_class+0xf79/0x10c0 [ 72.350304][ C1] ? mark_lock+0xef/0x17b0 [ 72.354702][ C1] ? mark_lock+0xef/0x17b0 [ 72.359098][ C1] ? is_dynamic_key+0x1a0/0x1a0 [ 72.363931][ C1] ? lock_chain_count+0x20/0x20 [ 72.368760][ C1] ? lock_chain_count+0x20/0x20 [ 72.373589][ C1] __lock_acquire+0x105/0x54a0 [ 72.378335][ C1] ? lock_chain_count+0x20/0x20 [ 72.383168][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.389133][ C1] lock_acquire+0x1ab/0x510 [ 72.393617][ C1] ? ath9k_htc_rxep+0x31/0x210 [ 72.398360][ C1] ? lock_release+0x720/0x720 [ 72.403034][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 72.408228][ C1] ? ath9k_htc_rxep+0x31/0x210 [ 72.412973][ C1] ath9k_htc_rxep+0x31/0x210 [ 72.417557][ C1] ? ath9k_rx_tasklet+0x680/0x680 [ 72.422582][ C1] ath9k_htc_rx_msg+0x2e4/0xb70 [ 72.427449][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 72.433163][ C1] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 72.438608][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 72.443793][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 72.449154][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 72.454355][ C1] dummy_timer+0x11f9/0x32b0 [ 72.458934][ C1] ? dummy_dequeue+0x500/0x500 [ 72.463684][ C1] ? dummy_dequeue+0x500/0x500 [ 72.468431][ C1] call_timer_fn+0x1a5/0x6b0 [ 72.473017][ C1] ? add_timer_on+0x4a0/0x4a0 [ 72.477678][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 72.482515][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 72.487695][ C1] ? dummy_dequeue+0x500/0x500 [ 72.492440][ C1] __run_timers.part.0+0x675/0xa20 [ 72.497540][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 72.502289][ C1] ? lapic_next_event+0x4d/0x80 [ 72.507127][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 72.512310][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 72.517145][ C1] run_timer_softirq+0xb3/0x1d0 [ 72.521981][ C1] __do_softirq+0x29b/0x9c2 [ 72.526470][ C1] __irq_exit_rcu+0x16e/0x1c0 [ 72.531128][ C1] irq_exit_rcu+0x5/0x20 [ 72.535349][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 72.540967][ C1] [ 72.543880][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 72.549841][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 72.555652][ C1] 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 [ 72.575238][ C1] RSP: 0018:ffffc90000d57d18 EFLAGS: 00000293 [ 72.581283][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.589243][ C1] RDX: ffff888010a654c0 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 72.597193][ C1] RBP: ffff8881417c0064 R08: 0000000000000001 R09: 0000000000000001 [ 72.605143][ C1] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 72.613092][ C1] R13: ffff8881417c0000 R14: ffff8881417c0064 R15: ffff88801b62e004 [ 72.621060][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 72.626086][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 72.631272][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 72.636454][ C1] acpi_idle_enter+0x361/0x500 [ 72.641200][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 72.646312][ C1] cpuidle_enter+0x4a/0xa0 [ 72.650719][ C1] do_idle+0x3e8/0x590 [ 72.650742][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 72.650764][ C1] ? _raw_spin_unlock_irqrestore+0x31/0x70 [ 72.650788][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 72.650819][ C1] cpu_startup_entry+0x14/0x20 [ 72.675526][ C1] start_secondary+0x265/0x340 [ 72.680272][ C1] ? set_cpu_sibling_map+0x1f70/0x1f70 [ 72.685739][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 72.691629][ C1] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 72.699319][ C1] #PF: supervisor read access in kernel mode [ 72.705273][ C1] #PF: error_code(0x0000) - not-present page [ 72.711226][ C1] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 [ 72.717225][ C1] Oops: 0000 [#1] PREEMPT SMP KASAN [ 72.722401][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.14.0-rc6-syzkaller #0 [ 72.730356][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.740405][ C1] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 72.745759][ C1] 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 [ 72.765342][ C1] RSP: 0018:ffffc90000dc09b8 EFLAGS: 00010046 [ 72.771389][ C1] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 72.779345][ C1] RDX: ffff888010a654c0 RSI: ffffffff85092440 RDI: ffffc90000dc0928 [ 72.787303][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 72.795259][ C1] R10: fffff520001b8125 R11: 0000000000000000 R12: ffff88802f08b6d8 [ 72.803328][ C1] R13: ffff88802f08b2a0 R14: ffff88802f08b6e8 R15: ffff8880163b1aa8 [ 72.811797][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.820715][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.827281][ C1] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506e0 [ 72.835252][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.843233][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.851189][ C1] Call Trace: [ 72.854453][ C1] [ 72.857282][ C1] ? ath9k_rx_tasklet+0x680/0x680 [ 72.862292][ C1] ath9k_htc_rx_msg+0x2e4/0xb70 [ 72.867126][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 72.872834][ C1] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 72.878278][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 72.883479][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 72.888841][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 72.894023][ C1] dummy_timer+0x11f9/0x32b0 [ 72.898605][ C1] ? dummy_dequeue+0x500/0x500 [ 72.903352][ C1] ? dummy_dequeue+0x500/0x500 [ 72.908095][ C1] call_timer_fn+0x1a5/0x6b0 [ 72.912689][ C1] ? add_timer_on+0x4a0/0x4a0 [ 72.917349][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 72.922180][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 72.927358][ C1] ? dummy_dequeue+0x500/0x500 [ 72.932101][ C1] __run_timers.part.0+0x675/0xa20 [ 72.937196][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 72.941944][ C1] ? lapic_next_event+0x4d/0x80 [ 72.946778][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 72.951957][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 72.956794][ C1] run_timer_softirq+0xb3/0x1d0 [ 72.961627][ C1] __do_softirq+0x29b/0x9c2 [ 72.966114][ C1] __irq_exit_rcu+0x16e/0x1c0 [ 72.970779][ C1] irq_exit_rcu+0x5/0x20 [ 72.975021][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 72.980649][ C1] [ 72.983570][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 72.989540][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 72.995339][ C1] 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 [ 73.015029][ C1] RSP: 0018:ffffc90000d57d18 EFLAGS: 00000293 [ 73.021087][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.029036][ C1] RDX: ffff888010a654c0 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 73.037078][ C1] RBP: ffff8881417c0064 R08: 0000000000000001 R09: 0000000000000001 [ 73.045039][ C1] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 73.052996][ C1] R13: ffff8881417c0000 R14: ffff8881417c0064 R15: ffff88801b62e004 [ 73.061304][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 73.066320][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 73.071506][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 73.076690][ C1] acpi_idle_enter+0x361/0x500 [ 73.081443][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 73.086543][ C1] cpuidle_enter+0x4a/0xa0 [ 73.091034][ C1] do_idle+0x3e8/0x590 [ 73.095085][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 73.100089][ C1] ? _raw_spin_unlock_irqrestore+0x31/0x70 [ 73.105875][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 73.111060][ C1] cpu_startup_entry+0x14/0x20 [ 73.115803][ C1] start_secondary+0x265/0x340 [ 73.120547][ C1] ? set_cpu_sibling_map+0x1f70/0x1f70 [ 73.125990][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 73.131870][ C1] Modules linked in: [ 73.135738][ C1] CR2: ffffffffffffffc8 [ 73.139870][ C1] ---[ end trace a948ab391d947598 ]--- [ 73.145306][ C1] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 73.150663][ C1] 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 [ 73.170250][ C1] RSP: 0018:ffffc90000dc09b8 EFLAGS: 00010046 [ 73.176302][ C1] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 73.184254][ C1] RDX: ffff888010a654c0 RSI: ffffffff85092440 RDI: ffffc90000dc0928 [ 73.192205][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 73.200167][ C1] R10: fffff520001b8125 R11: 0000000000000000 R12: ffff88802f08b6d8 [ 73.208117][ C1] R13: ffff88802f08b2a0 R14: ffff88802f08b6e8 R15: ffff8880163b1aa8 [ 73.216070][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.224992][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.231558][ C1] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506e0 [ 73.239514][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.247463][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.255416][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 73.264030][ C1] Kernel Offset: disabled [ 73.268342][ C1] Rebooting in 86400 seconds..