[ OK ] Started OpenBSD Secure Shell server. [ 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 '10.128.0.110' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.855938][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.136146][ T17] usb 1-1: too many configurations: 96, using maximum allowed: 8 [ 32.945944][ T17] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 32.955010][ T17] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 32.963021][ T17] usb 1-1: Product: syz [ 32.967222][ T17] usb 1-1: Manufacturer: syz [ 32.971821][ T17] usb 1-1: SerialNumber: syz [ 33.037524][ T17] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 33.645920][ T17] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 34.266555][ C1] INFO: trying to register non-static key. [ 34.272370][ C1] The code is fine but needs lockdep annotation, or maybe [ 34.279470][ C1] you didn't initialize this object before use? [ 34.285704][ C1] turning off the locking correctness validator. [ 34.292008][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.14.0-rc1-syzkaller #0 [ 34.299972][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.310010][ C1] Call Trace: [ 34.313272][ C1] [ 34.316101][ C1] dump_stack_lvl+0xcd/0x134 [ 34.320699][ C1] register_lock_class+0xf79/0x10c0 [ 34.325890][ C1] ? mark_lock+0xef/0x17b0 [ 34.330289][ C1] ? is_dynamic_key+0x1b0/0x1b0 [ 34.335121][ C1] ? lock_chain_count+0x20/0x20 [ 34.340061][ C1] ? lock_chain_count+0x20/0x20 [ 34.344898][ C1] __lock_acquire+0x105/0x54a0 [ 34.349662][ C1] ? lock_chain_count+0x20/0x20 [ 34.354522][ C1] ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 [ 34.360505][ C1] ? __lock_acquire+0x162f/0x54a0 [ 34.365572][ C1] lock_acquire+0x19d/0x4d0 [ 34.370071][ C1] ? ath9k_htc_rxep+0x31/0x210 [ 34.374830][ C1] ? lock_release+0x6e0/0x6e0 [ 34.379559][ C1] ? lock_acquire+0x19d/0x4d0 [ 34.384237][ C1] ? kcov_remote_start+0xe2/0x430 [ 34.389252][ C1] _raw_spin_lock_irqsave+0x36/0x50 [ 34.394445][ C1] ? ath9k_htc_rxep+0x31/0x210 [ 34.399212][ C1] ath9k_htc_rxep+0x31/0x210 [ 34.403788][ C1] ? ath9k_rx_tasklet+0x680/0x680 [ 34.408815][ C1] ath9k_htc_rx_msg+0x2e4/0xb70 [ 34.413655][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 34.419353][ C1] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 34.424791][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 34.429981][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 34.435353][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 34.440527][ C1] dummy_timer+0x11f9/0x32b0 [ 34.445096][ C1] ? dummy_dequeue+0x500/0x500 [ 34.449840][ C1] ? dummy_dequeue+0x500/0x500 [ 34.454585][ C1] call_timer_fn+0x1a5/0x630 [ 34.459154][ C1] ? timer_fixup_init+0x60/0x60 [ 34.463991][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 34.468949][ C1] ? _find_next_bit+0x1e3/0x260 [ 34.473790][ C1] ? lockdep_hardirqs_on_prepare+0x129/0x3e0 [ 34.479767][ C1] ? dummy_dequeue+0x500/0x500 [ 34.484536][ C1] __run_timers.part.0+0x675/0xa10 [ 34.489649][ C1] ? call_timer_fn+0x630/0x630 [ 34.494396][ C1] ? lapic_next_event+0x4d/0x80 [ 34.499231][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.505455][ C1] ? clockevents_program_event+0x12b/0x370 [ 34.511246][ C1] ? tick_program_event+0xa8/0x130 [ 34.516336][ C1] run_timer_softirq+0x80/0x120 [ 34.521180][ C1] __do_softirq+0x1b0/0x910 [ 34.525684][ C1] __irq_exit_rcu+0x117/0x160 [ 34.530337][ C1] irq_exit_rcu+0x5/0x10 [ 34.534558][ C1] sysvec_apic_timer_interrupt+0x6a/0x90 [ 34.540179][ C1] [ 34.543089][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 34.549053][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 34.554842][ C1] Code: 89 de e8 cd ed 80 fb 84 db 75 ac e8 94 e6 80 fb e8 5f f2 86 fb eb 0c e8 88 e6 80 fb 0f 00 2d 81 b0 88 00 e8 7c e6 80 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 07 ef 80 fb 48 85 db [ 34.574437][ C1] RSP: 0018:ffffc900000dfd18 EFLAGS: 00000293 [ 34.580479][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 34.588440][ C1] RDX: ffff8881002c0000 RSI: ffffffff85c07ec4 RDI: ffffffff85c07eb1 [ 34.596388][ C1] RBP: ffff888109c62064 R08: 0000000000000001 R09: 0000000000000001 [ 34.604336][ C1] R10: ffffffff81477148 R11: 0000000000000000 R12: 0000000000000001 [ 34.612282][ C1] R13: ffff888109c62000 R14: ffff888109c62064 R15: ffff88810cd78004 [ 34.620231][ C1] ? trace_hardirqs_on+0x38/0x1a0 [ 34.625238][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 34.630502][ C1] ? acpi_idle_do_entry+0x1b1/0x250 [ 34.635680][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 34.640865][ C1] acpi_idle_enter+0x355/0x4f0 [ 34.645622][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 34.650725][ C1] cpuidle_enter+0x4a/0xa0 [ 34.655132][ C1] do_idle+0x3dd/0x580 [ 34.659211][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 34.664225][ C1] cpu_startup_entry+0x14/0x20 [ 34.668970][ C1] start_secondary+0x267/0x340 [ 34.673725][ C1] ? set_cpu_sibling_map+0x1f70/0x1f70 [ 34.679196][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 34.685105][ C1] BUG: unable to handle page fault for address: ffffffffffffffc8 [ 34.692798][ C1] #PF: supervisor read access in kernel mode [ 34.698753][ C1] #PF: error_code(0x0000) - not-present page [ 34.704725][ C1] PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 [ 34.710692][ C1] Oops: 0000 [#1] SMP KASAN [ 34.715176][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.14.0-rc1-syzkaller #0 [ 34.723132][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.733162][ C1] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 34.738526][ C1] Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 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 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 [ 34.758107][ C1] RSP: 0018:ffffc900001489b8 EFLAGS: 00010046 [ 34.764160][ C1] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 34.772120][ C1] RDX: ffff8881002c0000 RSI: ffffffff830a0050 RDI: ffffc90000148928 [ 34.780079][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 34.788023][ C1] R10: fffff52000029125 R11: 1ffff920000290a0 R12: ffff888114fab678 [ 34.795976][ C1] R13: ffff888114fab240 R14: ffff888114fab688 R15: ffff888109bdaca8 [ 34.804036][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 34.812945][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.819608][ C1] CR2: ffffffffffffffc8 CR3: 0000000108fd3000 CR4: 00000000001506e0 [ 34.827564][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.835632][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.843579][ C1] Call Trace: [ 34.846834][ C1] [ 34.849658][ C1] ? ath9k_rx_tasklet+0x680/0x680 [ 34.854662][ C1] ath9k_htc_rx_msg+0x2e4/0xb70 [ 34.859488][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 34.865187][ C1] ath9k_hif_usb_reg_in_cb+0x1ac/0x630 [ 34.870625][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 34.875813][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 34.881167][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 34.886357][ C1] dummy_timer+0x11f9/0x32b0 [ 34.891075][ C1] ? dummy_dequeue+0x500/0x500 [ 34.895835][ C1] ? dummy_dequeue+0x500/0x500 [ 34.900598][ C1] call_timer_fn+0x1a5/0x630 [ 34.905280][ C1] ? timer_fixup_init+0x60/0x60 [ 34.910117][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 34.914959][ C1] ? _find_next_bit+0x1e3/0x260 [ 34.919801][ C1] ? lockdep_hardirqs_on_prepare+0x129/0x3e0 [ 34.925762][ C1] ? dummy_dequeue+0x500/0x500 [ 34.930505][ C1] __run_timers.part.0+0x675/0xa10 [ 34.935605][ C1] ? call_timer_fn+0x630/0x630 [ 34.940479][ C1] ? lapic_next_event+0x4d/0x80 [ 34.945315][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.951539][ C1] ? clockevents_program_event+0x12b/0x370 [ 34.957329][ C1] ? tick_program_event+0xa8/0x130 [ 34.962591][ C1] run_timer_softirq+0x80/0x120 [ 34.967432][ C1] __do_softirq+0x1b0/0x910 [ 34.972013][ C1] __irq_exit_rcu+0x117/0x160 [ 34.976672][ C1] irq_exit_rcu+0x5/0x10 [ 34.980898][ C1] sysvec_apic_timer_interrupt+0x6a/0x90 [ 34.986601][ C1] [ 34.989519][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 34.995501][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 35.001292][ C1] Code: 89 de e8 cd ed 80 fb 84 db 75 ac e8 94 e6 80 fb e8 5f f2 86 fb eb 0c e8 88 e6 80 fb 0f 00 2d 81 b0 88 00 e8 7c e6 80 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 07 ef 80 fb 48 85 db [ 35.021837][ C1] RSP: 0018:ffffc900000dfd18 EFLAGS: 00000293 [ 35.027882][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 35.035829][ C1] RDX: ffff8881002c0000 RSI: ffffffff85c07ec4 RDI: ffffffff85c07eb1 [ 35.043779][ C1] RBP: ffff888109c62064 R08: 0000000000000001 R09: 0000000000000001 [ 35.051730][ C1] R10: ffffffff81477148 R11: 0000000000000000 R12: 0000000000000001 [ 35.059679][ C1] R13: ffff888109c62000 R14: ffff888109c62064 R15: ffff88810cd78004 [ 35.067631][ C1] ? trace_hardirqs_on+0x38/0x1a0 [ 35.072642][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 35.077832][ C1] ? acpi_idle_do_entry+0x1b1/0x250 [ 35.083009][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 35.088186][ C1] acpi_idle_enter+0x355/0x4f0 [ 35.092928][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 35.098035][ C1] cpuidle_enter+0x4a/0xa0 [ 35.102433][ C1] do_idle+0x3dd/0x580 [ 35.106494][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 35.111771][ C1] cpu_startup_entry+0x14/0x20 [ 35.116528][ C1] start_secondary+0x267/0x340 [ 35.121272][ C1] ? set_cpu_sibling_map+0x1f70/0x1f70 [ 35.126713][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 35.132601][ C1] Modules linked in: [ 35.136478][ C1] CR2: ffffffffffffffc8 [ 35.140616][ C1] ---[ end trace 83c3b5e27d22cb0d ]--- [ 35.146046][ C1] RIP: 0010:ath9k_htc_rxep+0xb5/0x210 [ 35.151413][ C1] Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 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 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 [ 35.170999][ C1] RSP: 0018:ffffc900001489b8 EFLAGS: 00010046 [ 35.177042][ C1] RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100 [ 35.184992][ C1] RDX: ffff8881002c0000 RSI: ffffffff830a0050 RDI: ffffc90000148928 [ 35.192940][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 [ 35.200914][ C1] R10: fffff52000029125 R11: 1ffff920000290a0 R12: ffff888114fab678 [ 35.208868][ C1] R13: ffff888114fab240 R14: ffff888114fab688 R15: ffff888109bdaca8 [ 35.216819][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 35.225729][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.232292][ C1] CR2: ffffffffffffffc8 CR3: 0000000108fd3000 CR4: 00000000001506e0 [ 35.240245][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.248194][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.256145][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 35.264779][ C1] Kernel Offset: disabled [ 35.269094][ C1] Rebooting in 86400 seconds..