[ 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 '10.128.0.143' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.853284][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 73.133566][ T7] usb 1-1: too many configurations: 96, using maximum allowed: 8 [ 73.933508][ T7] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 73.942737][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 73.951760][ T7] usb 1-1: Product: syz [ 73.956616][ T7] usb 1-1: Manufacturer: syz [ 73.961202][ T7] usb 1-1: SerialNumber: syz [ 74.005669][ T7] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 74.623120][ T7] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 75.244336][ C0] usb 1-1: ath: unknown panic pattern! [ 75.250290][ C0] INFO: trying to register non-static key. [ 75.256088][ C0] The code is fine but needs lockdep annotation, or maybe [ 75.263173][ C0] you didn't initialize this object before use? [ 75.269736][ C0] turning off the locking correctness validator. [ 75.276135][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 75.284183][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.294303][ C0] Call Trace: [ 75.297720][ C0] [ 75.300553][ C0] dump_stack_lvl+0xcd/0x134 [ 75.305151][ C0] register_lock_class+0xf79/0x10c0 [ 75.310340][ C0] ? mark_lock+0xef/0x17b0 [ 75.314744][ C0] ? mark_lock+0xef/0x17b0 [ 75.319144][ C0] ? is_dynamic_key+0x1a0/0x1a0 [ 75.324091][ C0] ? lock_chain_count+0x20/0x20 [ 75.328935][ C0] ? lock_chain_count+0x20/0x20 [ 75.333778][ C0] __lock_acquire+0x105/0x54a0 [ 75.338529][ C0] ? lock_chain_count+0x20/0x20 [ 75.343364][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.349469][ C0] lock_acquire+0x1ab/0x510 [ 75.353983][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 75.358742][ C0] ? lock_release+0x720/0x720 [ 75.363403][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 75.368692][ C0] ? ath9k_htc_rxep+0x31/0x210 [ 75.373439][ C0] ath9k_htc_rxep+0x31/0x210 [ 75.378023][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 75.383125][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 75.387958][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 75.393661][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 75.399105][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 75.404286][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 75.409648][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 75.414830][ C0] dummy_timer+0x11f9/0x32b0 [ 75.419408][ C0] ? dummy_dequeue+0x500/0x500 [ 75.424153][ C0] ? dummy_dequeue+0x500/0x500 [ 75.428911][ C0] call_timer_fn+0x1a5/0x6b0 [ 75.433659][ C0] ? add_timer_on+0x4a0/0x4a0 [ 75.438323][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 75.443159][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 75.448337][ C0] ? dummy_dequeue+0x500/0x500 [ 75.453350][ C0] __run_timers.part.0+0x675/0xa20 [ 75.458448][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 75.463297][ C0] ? lapic_next_event+0x4d/0x80 [ 75.468128][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 75.473318][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 75.478175][ C0] run_timer_softirq+0xb3/0x1d0 [ 75.483037][ C0] __do_softirq+0x29b/0x9c2 [ 75.487785][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 75.492531][ C0] irq_exit_rcu+0x5/0x20 [ 75.496859][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 75.503087][ C0] [ 75.505999][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 75.511965][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 75.517761][ 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 [ 75.537436][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 75.543514][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.551476][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 75.559905][ C0] RBP: ffff888014bf1064 R08: 0000000000000001 R09: 0000000000000001 [ 75.567856][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 75.575981][ C0] R13: ffff888014bf1000 R14: ffff888014bf1064 R15: ffff888140b86804 [ 75.584119][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 75.589133][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 75.594427][ C0] acpi_idle_enter+0x361/0x500 [ 75.599193][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 75.604293][ C0] cpuidle_enter+0x4a/0xa0 [ 75.608692][ C0] do_idle+0x3e8/0x590 [ 75.612742][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 75.617751][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 75.623979][ C0] cpu_startup_entry+0x14/0x20 [ 75.628725][ C0] start_kernel+0x47a/0x49b [ 75.633211][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 75.639107][ C0] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 75.646808][ C0] #PF: supervisor read access in kernel mode [ 75.653001][ C0] #PF: error_code(0x0000) - not-present page [ 75.659389][ C0] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 [ 75.665359][ C0] Oops: 0000 [#1] PREEMPT SMP KASAN [ 75.670624][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0 [ 75.678756][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.688926][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 75.694305][ 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 [ 75.714080][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 75.720390][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 75.728428][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 75.736411][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 75.744539][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88802d6636d8 [ 75.752489][ C0] R13: ffff88802d6632a0 R14: ffff88802d6636e8 R15: ffff8880155ca7a8 [ 75.760446][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 75.769503][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.776075][ C0] CR2: ffffffffffffffc8 CR3: 000000002744c000 CR4: 00000000001506f0 [ 75.784133][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.792189][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.800149][ C0] Call Trace: [ 75.803416][ C0] [ 75.806243][ C0] ? ath9k_rx_tasklet+0x680/0x680 [ 75.811264][ C0] ath9k_htc_rx_msg+0x2e4/0xb70 [ 75.816369][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 75.822084][ C0] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 75.827528][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 75.832814][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 75.838182][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 75.843368][ C0] dummy_timer+0x11f9/0x32b0 [ 75.847958][ C0] ? dummy_dequeue+0x500/0x500 [ 75.852708][ C0] ? dummy_dequeue+0x500/0x500 [ 75.857475][ C0] call_timer_fn+0x1a5/0x6b0 [ 75.862058][ C0] ? add_timer_on+0x4a0/0x4a0 [ 75.866717][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 75.871550][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 75.876823][ C0] ? dummy_dequeue+0x500/0x500 [ 75.881639][ C0] __run_timers.part.0+0x675/0xa20 [ 75.886755][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 75.891526][ C0] ? lapic_next_event+0x4d/0x80 [ 75.896477][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 75.901670][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 75.906604][ C0] run_timer_softirq+0xb3/0x1d0 [ 75.911468][ C0] __do_softirq+0x29b/0x9c2 [ 75.916010][ C0] __irq_exit_rcu+0x16e/0x1c0 [ 75.920782][ C0] irq_exit_rcu+0x5/0x20 [ 75.925114][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 75.930771][ C0] [ 75.933721][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 75.939702][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 75.945501][ 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 [ 75.965268][ C0] RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 [ 75.971500][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 75.979458][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff892d2044 RDI: 0000000000000000 [ 75.987447][ C0] RBP: ffff888014bf1064 R08: 0000000000000001 R09: 0000000000000001 [ 75.995398][ C0] R10: ffffffff817bd238 R11: 0000000000000000 R12: 0000000000000001 [ 76.003387][ C0] R13: ffff888014bf1000 R14: ffff888014bf1064 R15: ffff888140b86804 [ 76.011433][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 76.016442][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 76.021627][ C0] acpi_idle_enter+0x361/0x500 [ 76.026379][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 76.031476][ C0] cpuidle_enter+0x4a/0xa0 [ 76.035878][ C0] do_idle+0x3e8/0x590 [ 76.039927][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 76.044933][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 76.051157][ C0] cpu_startup_entry+0x14/0x20 [ 76.056003][ C0] start_kernel+0x47a/0x49b [ 76.060580][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 76.066472][ C0] Modules linked in: [ 76.070348][ C0] CR2: ffffffffffffffc8 [ 76.074565][ C0] ---[ end trace 22ff01b02ef19693 ]--- [ 76.080039][ C0] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 76.085409][ 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 [ 76.105734][ C0] RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 [ 76.111890][ C0] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 76.119935][ C0] RDX: ffffffff8b6bc640 RSI: ffffffff85092440 RDI: ffffc90000007928 [ 76.127893][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 76.135871][ C0] R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88802d6636d8 [ 76.143833][ C0] R13: ffff88802d6632a0 R14: ffff88802d6636e8 R15: ffff8880155ca7a8 [ 76.151786][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.160786][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.167439][ C0] CR2: ffffffffffffffc8 CR3: 000000002744c000 CR4: 00000000001506f0 [ 76.175398][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.183791][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.191764][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 76.199275][ C0] Kernel Offset: disabled [ 76.203597][ C0] Rebooting in 86400 seconds..