[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 '10.128.1.31' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.853668][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 69.133804][ T5] usb 1-1: too many configurations: 186, using maximum allowed: 8 [ 69.933428][ T5] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 69.942483][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 69.951020][ T5] usb 1-1: Product: syz [ 69.955833][ T5] usb 1-1: Manufacturer: syz [ 69.960416][ T5] usb 1-1: SerialNumber: syz [ 70.005585][ T5] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 70.623393][ T5] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 71.233547][ C0] INFO: trying to register non-static key. [ 71.239398][ C0] The code is fine but needs lockdep annotation, or maybe [ 71.246477][ C0] you didn't initialize this object before use? [ 71.252684][ C0] turning off the locking correctness validator. [ 71.258989][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 71.266954][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.276987][ C0] Call Trace: [ 71.280245][ C0] [ 71.283080][ C0] dump_stack_lvl+0xcd/0x134 [ 71.287670][ C0] register_lock_class+0xf79/0x10c0 [ 71.292850][ C0] ? mark_lock+0xef/0x17b0 [ 71.297254][ C0] ? mark_lock+0xef/0x17b0 [ 71.301647][ C0] ? is_dynamic_key+0x1a0/0x1a0 [ 71.306478][ C0] ? lock_chain_count+0x20/0x20 [ 71.311308][ C0] ? lock_chain_count+0x20/0x20 [ 71.316137][ C0] __lock_acquire+0x105/0x54a0 [ 71.320883][ C0] ? lock_chain_count+0x20/0x20 [ 71.325750][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.331754][ C0] lock_acquire+0x1ab/0x510 [ 71.336278][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 71.341059][ C0] ? lock_release+0x720/0x720 [ 71.345743][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 71.350924][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 71.355668][ C0] ath9k_htc_rxep+0x31/0x210 [ 71.360254][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 71.365254][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 71.370090][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 71.375791][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 71.381230][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 71.386405][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 71.391765][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 71.396947][ C0] dummy_timer+0x11f9/0x32b0 [ 71.401521][ C0] ? dummy_dequeue+0x500/0x500 [ 71.406282][ C0] ? dummy_dequeue+0x500/0x500 [ 71.411024][ C0] call_timer_fn+0x1a5/0x6b0 [ 71.415600][ C0] ? add_timer_on+0x4a0/0x4a0 [ 71.420257][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 71.425102][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.430288][ C0] ? dummy_dequeue+0x500/0x500 [ 71.435047][ C0] __run_timers.part.0+0x675/0xa20 [ 71.440228][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 71.444973][ C0] ? lapic_next_event+0x4d/0x80 [ 71.449805][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 71.454985][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 71.459824][ C0] run_timer_softirq+0xb3/0x1d0 [ 71.464654][ C0] __do_softirq+0x29b/0x9c2 [ 71.469145][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 71.473806][ C0] irq_exit_rcu+0x5/0x20 [ 71.478042][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 71.483659][ C0] [ 71.486568][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 71.492527][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 71.498331][ 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 [ 71.517926][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 71.523980][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.531979][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 71.539936][ C0] RBP: ffff888015f86864 R08: 0000000000000001 R09: 0000000000000001 [ 71.547900][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 71.555893][ C0] R13: ffff888015f86800 R14: ffff888015f86864 R15: ffff88801c339804 [ 71.563897][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 71.568911][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 71.574106][ C0] acpi_idle_enter+0x361/0x500 [ 71.578855][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 71.583949][ C0] cpuidle_enter+0x4a/0xa0 [ 71.588347][ C0] do_idle+0x3e8/0x590 [ 71.592397][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 71.597400][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 71.603622][ C0] cpu_startup_entry+0x14/0x20 [ 71.608363][ C0] start_kernel+0x47a/0x49b [ 71.612852][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 71.618853][ C0] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 71.626543][ C0] #PF: supervisor read access in kernel mode [ 71.632490][ C0] #PF: error_code(0x0000) - not-present page [ 71.638440][ C0] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 [ 71.644406][ C0] Oops: 0000 [#1] PREEMPT SMP KASAN [ 71.649582][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 71.657624][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.667657][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 71.673023][ 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 [ 71.692698][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 71.698757][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 71.706722][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 71.714673][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 71.722624][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888015de36d8 [ 71.730573][ C0] R13: ffff888015de32a0 R14: ffff888015de36e8 R15: ffff888017f585a8 [ 71.738521][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.747431][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.753997][ C0] CR2: ffffffffffffffc8 CR3: 000000002b900000 CR4: 00000000001506f0 [ 71.761948][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.769897][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.777859][ C0] Call Trace: [ 71.781118][ C0] [ 71.784049][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 71.789058][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 71.793891][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 71.799593][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 71.805042][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 71.810224][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 71.815579][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 71.820760][ C0] dummy_timer+0x11f9/0x32b0 [ 71.825341][ C0] ? dummy_dequeue+0x500/0x500 [ 71.830095][ C0] ? dummy_dequeue+0x500/0x500 [ 71.834837][ C0] call_timer_fn+0x1a5/0x6b0 [ 71.839408][ C0] ? add_timer_on+0x4a0/0x4a0 [ 71.844080][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 71.848935][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.854120][ C0] ? dummy_dequeue+0x500/0x500 [ 71.858871][ C0] __run_timers.part.0+0x675/0xa20 [ 71.864059][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 71.868818][ C0] ? lapic_next_event+0x4d/0x80 [ 71.873680][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 71.878876][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 71.883720][ C0] run_timer_softirq+0xb3/0x1d0 [ 71.888557][ C0] __do_softirq+0x29b/0x9c2 [ 71.893044][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 71.897704][ C0] irq_exit_rcu+0x5/0x20 [ 71.901931][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 71.907550][ C0] [ 71.910459][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 71.916421][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 71.922214][ 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 [ 71.941807][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 71.947862][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.955811][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 71.963764][ C0] RBP: ffff888015f86864 R08: 0000000000000001 R09: 0000000000000001 [ 71.971914][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 71.979965][ C0] R13: ffff888015f86800 R14: ffff888015f86864 R15: ffff88801c339804 [ 71.987934][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 71.993031][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 71.998224][ C0] acpi_idle_enter+0x361/0x500 [ 72.002974][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 72.008074][ C0] cpuidle_enter+0x4a/0xa0 [ 72.012495][ C0] do_idle+0x3e8/0x590 [ 72.016549][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 72.021562][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 72.027797][ C0] cpu_startup_entry+0x14/0x20 [ 72.032546][ C0] start_kernel+0x47a/0x49b [ 72.037082][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 72.043007][ C0] Modules linked in: [ 72.046891][ C0] CR2: ffffffffffffffc8 [ 72.051375][ C0] ---[ end trace ae23c1883570efb9 ]--- [ 72.056809][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 72.062165][ 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 [ 72.081793][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 72.087841][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 72.095791][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 72.103741][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 72.111693][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff888015de36d8 [ 72.119642][ C0] R13: ffff888015de32a0 R14: ffff888015de36e8 R15: ffff888017f585a8 [ 72.127591][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.136498][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.143103][ C0] CR2: ffffffffffffffc8 CR3: 000000002b900000 CR4: 00000000001506f0 [ 72.151091][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.159039][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.166993][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 72.175399][ C0] Kernel Offset: disabled [ 72.179710][ C0] Rebooting in 86400 seconds..