[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.996674][ T2960] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 74.287017][ T2960] usb 1-1: too many configurations: 87, using maximum allowed: 8 [ 75.086808][ T2960] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 75.095996][ T2960] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 75.104707][ T2960] usb 1-1: Product: syz [ 75.109153][ T2960] usb 1-1: Manufacturer: syz [ 75.113733][ T2960] usb 1-1: SerialNumber: syz [ 75.159012][ T2960] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 75.756606][ T2960] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 76.176593][ T2960] usb 1-1: ath9k_htc: Invalid TX pipe: 0 [ 76.182384][ T2960] ath9k_htc 1-1:1.0: ath9k_htc: Unable to initialize HTC services [ 76.376474][ C0] INFO: trying to register non-static key. [ 76.382468][ C0] The code is fine but needs lockdep annotation, or maybe [ 76.389647][ C0] you didn't initialize this object before use? [ 76.396171][ C0] turning off the locking correctness validator. [ 76.402480][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 76.411369][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.421413][ C0] Call Trace: [ 76.424678][ C0] [ 76.427571][ C0] dump_stack_lvl+0xcd/0x134 [ 76.432177][ C0] register_lock_class+0xf79/0x10c0 [ 76.437391][ C0] ? mark_lock+0xef/0x17b0 [ 76.441850][ C0] ? mark_lock+0xef/0x17b0 [ 76.446255][ C0] ? is_dynamic_key+0x1a0/0x1a0 [ 76.451173][ C0] ? lock_chain_count+0x20/0x20 [ 76.456004][ C0] ? lock_chain_count+0x20/0x20 [ 76.460835][ C0] __lock_acquire+0x105/0x54a0 [ 76.465676][ C0] ? lock_chain_count+0x20/0x20 [ 76.470600][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.476573][ C0] lock_acquire+0x1ab/0x510 [ 76.481157][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 76.485933][ C0] ? lock_release+0x720/0x720 [ 76.490608][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 76.495785][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 76.500526][ C0] ath9k_htc_rxep+0x31/0x210 [ 76.505095][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 76.510111][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 76.514966][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 76.520713][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 76.526172][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 76.531446][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 76.536858][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 76.542071][ C0] dummy_timer+0x11f9/0x32b0 [ 76.546656][ C0] ? dummy_dequeue+0x500/0x500 [ 76.551408][ C0] ? dummy_dequeue+0x500/0x500 [ 76.556154][ C0] call_timer_fn+0x1a5/0x6b0 [ 76.560828][ C0] ? add_timer_on+0x4a0/0x4a0 [ 76.565484][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 76.570315][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 76.575699][ C0] ? dummy_dequeue+0x500/0x500 [ 76.580451][ C0] __run_timers.part.0+0x675/0xa20 [ 76.585600][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 76.590373][ C0] ? lapic_next_event+0x4d/0x80 [ 76.595223][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 76.600434][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 76.605390][ C0] run_timer_softirq+0xb3/0x1d0 [ 76.610238][ C0] __do_softirq+0x29b/0x9c2 [ 76.614734][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 76.619418][ C0] irq_exit_rcu+0x5/0x20 [ 76.623788][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 76.629416][ C0] [ 76.632334][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 76.638321][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 76.644124][ 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 [ 76.663732][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 76.669789][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 76.678188][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 76.686145][ C0] RBP: ffff888143ff0864 R08: 0000000000000001 R09: 0000000000000001 [ 76.694105][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 76.702169][ C0] R13: ffff888143ff0800 R14: ffff888143ff0864 R15: ffff88801b60e004 [ 76.710130][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 76.715158][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 76.720350][ C0] acpi_idle_enter+0x361/0x500 [ 76.725099][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 76.730200][ C0] cpuidle_enter+0x4a/0xa0 [ 76.734602][ C0] do_idle+0x3e8/0x590 [ 76.738650][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 76.743675][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 76.749916][ C0] cpu_startup_entry+0x14/0x20 [ 76.754659][ C0] start_kernel+0x47a/0x49b [ 76.759146][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 76.765038][ C0] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 76.772735][ C0] #PF: supervisor read access in kernel mode [ 76.778693][ C0] #PF: error_code(0x0000) - not-present page [ 76.784669][ C0] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 [ 76.790639][ C0] Oops: 0000 [#1] PREEMPT SMP KASAN [ 76.795831][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 76.803800][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.813837][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 76.819212][ 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 [ 76.838826][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 76.844909][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 76.852885][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 76.860983][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 76.869058][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff8880328a36d8 [ 76.877030][ C0] R13: ffff8880328a32a0 R14: ffff8880328a36e8 R15: ffff88802163d0a8 [ 76.884988][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.893925][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.900622][ C0] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506f0 [ 76.908586][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.916630][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.924586][ C0] Call Trace: [ 76.927881][ C0] [ 76.930731][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 76.935922][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 76.940762][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 76.946566][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 76.952006][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 76.957185][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 76.962558][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 76.967741][ C0] dummy_timer+0x11f9/0x32b0 [ 76.972320][ C0] ? dummy_dequeue+0x500/0x500 [ 76.977064][ C0] ? dummy_dequeue+0x500/0x500 [ 76.981808][ C0] call_timer_fn+0x1a5/0x6b0 [ 76.986379][ C0] ? add_timer_on+0x4a0/0x4a0 [ 76.991036][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 76.995963][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 77.001165][ C0] ? dummy_dequeue+0x500/0x500 [ 77.005922][ C0] __run_timers.part.0+0x675/0xa20 [ 77.011034][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 77.015792][ C0] ? lapic_next_event+0x4d/0x80 [ 77.020647][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 77.025831][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 77.030767][ C0] run_timer_softirq+0xb3/0x1d0 [ 77.035617][ C0] __do_softirq+0x29b/0x9c2 [ 77.040129][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 77.044890][ C0] irq_exit_rcu+0x5/0x20 [ 77.049120][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 77.054744][ C0] [ 77.057674][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 77.063643][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 77.069516][ 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 [ 77.089191][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 77.095341][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.103311][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 77.111296][ C0] RBP: ffff888143ff0864 R08: 0000000000000001 R09: 0000000000000001 [ 77.119265][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 77.127338][ C0] R13: ffff888143ff0800 R14: ffff888143ff0864 R15: ffff88801b60e004 [ 77.135300][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 77.140401][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 77.145601][ C0] acpi_idle_enter+0x361/0x500 [ 77.150360][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 77.155457][ C0] cpuidle_enter+0x4a/0xa0 [ 77.159858][ C0] do_idle+0x3e8/0x590 [ 77.163907][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 77.168912][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 77.175232][ C0] cpu_startup_entry+0x14/0x20 [ 77.180064][ C0] start_kernel+0x47a/0x49b [ 77.184561][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 77.190574][ C0] Modules linked in: [ 77.194495][ C0] CR2: ffffffffffffffc8 [ 77.198637][ C0] ---[ end trace 147383f835054f96 ]--- [ 77.204264][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 77.209623][ 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 [ 77.229219][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 77.235377][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 77.243354][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 77.251404][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 77.259400][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff8880328a36d8 [ 77.267534][ C0] R13: ffff8880328a32a0 R14: ffff8880328a36e8 R15: ffff88802163d0a8 [ 77.275494][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.284436][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.291103][ C0] CR2: ffffffffffffffc8 CR3: 000000000b68e000 CR4: 00000000001506f0 [ 77.299687][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.307662][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.315725][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 77.324366][ C0] Kernel Offset: disabled [ 77.328682][ C0] Rebooting in 86400 seconds..