[ 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 syzkaller login: [ 15.077572][ C1] random: crng init done [ 15.082013][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. executing program [ 32.554725][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.764637][ T95] usb 1-1: config 1 has an invalid interface number: 2 but max is 0 [ 32.772695][ T95] usb 1-1: config 1 has no interface number 0 [ 32.934573][ T95] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 32.943616][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 32.951677][ T95] usb 1-1: Product: syz [ 32.955889][ T95] usb 1-1: Manufacturer: syz [ 32.960467][ T95] usb 1-1: SerialNumber: syz [ 33.005338][ T95] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 33.604225][ T95] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 33.816720][ T103] usb 1-1: USB disconnect, device number 2 [ 33.824171][ C0] general protection fault, probably for non-canonical address 0xdffffc0000000015: 0000 [#1] SMP KASAN [ 33.835243][ C0] KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af] [ 33.843633][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc5-syzkaller #0 [ 33.851498][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.861536][ C0] RIP: 0010:ath9k_hif_usb_rx_cb+0x103/0xf70 [ 33.867403][ C0] Code: 83 3c 24 00 48 89 c3 0f 84 19 04 00 00 e8 95 d5 6e fe 48 8d bb a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 27 0c 00 00 4c 8b a3 a8 00 00 00 4d 85 e4 0f 84 [ 33.886979][ C0] RSP: 0018:ffff8881db209928 EFLAGS: 00010002 [ 33.893019][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835ed4bc [ 33.900970][ C0] RDX: 0000000000000015 RSI: ffffffff82d0804b RDI: 00000000000000a8 [ 33.908923][ C0] RBP: ffff8881d3c03b00 R08: ffffffff8702cc40 R09: fffffbfff0e28205 [ 33.916909][ C0] R10: fffffbfff0e28204 R11: ffffffff87141023 R12: 0100000000000001 [ 33.924860][ C0] R13: ffff8881ceef31c8 R14: ffff8881d3c03b00 R15: ffff8881d3c03b40 [ 33.932810][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 33.941723][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.948291][ C0] CR2: 000056168f698a48 CR3: 00000001d050a000 CR4: 00000000001406f0 [ 33.956243][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.964190][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.972169][ C0] Call Trace: [ 33.975426][ C0] [ 33.978256][ C0] ? find_held_lock+0x2d/0x110 [ 33.982996][ C0] ? __usb_hcd_giveback_urb+0x26f/0x550 [ 33.988559][ C0] ? hif_usb_mgmt_cb+0x300/0x300 [ 33.993504][ C0] ? do_raw_spin_lock+0x129/0x290 [ 33.998503][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 34.003329][ C0] ? trace_hardirqs_off+0x50/0x200 [ 34.008414][ C0] __usb_hcd_giveback_urb+0x29a/0x550 [ 34.013794][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 34.019007][ C0] dummy_timer+0x1258/0x32ae [ 34.023577][ C0] ? __lock_acquire+0x145e/0x3b60 [ 34.028593][ C0] ? __lock_acquire+0x145e/0x3b60 [ 34.033603][ C0] ? debug_object_deactivate+0x1d9/0x320 [ 34.039228][ C0] ? mark_held_locks+0xe0/0xe0 [ 34.043974][ C0] ? dummy_udc_probe+0x930/0x930 [ 34.048887][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.054406][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.059663][ C0] call_timer_fn+0x195/0x6f0 [ 34.064227][ C0] ? dummy_udc_probe+0x930/0x930 [ 34.069172][ C0] ? msleep_interruptible+0x130/0x130 [ 34.074518][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.080035][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.085293][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 34.090460][ C0] ? dummy_udc_probe+0x930/0x930 [ 34.095369][ C0] run_timer_softirq+0x5f9/0x1500 [ 34.100364][ C0] ? add_timer+0x7a0/0x7a0 [ 34.104773][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.110289][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.115582][ C0] __do_softirq+0x21e/0x950 [ 34.120056][ C0] irq_exit+0x178/0x1a0 [ 34.124185][ C0] smp_apic_timer_interrupt+0x141/0x540 [ 34.129700][ C0] apic_timer_interrupt+0xf/0x20 [ 34.134649][ C0] [ 34.137563][ C0] RIP: 0010:default_idle+0x28/0x300 [ 34.142777][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 44 77 72 7a 41 54 55 53 0f 1f 44 00 00 e8 b6 62 b5 fb e9 07 00 00 00 0f 00 2d ea 0c 53 00 fb f4 <65> 44 8b 2d 20 77 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 34.162356][ C0] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 34.170740][ C0] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000 [ 34.178684][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c [ 34.186628][ C0] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000 [ 34.194573][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.202529][ C0] R13: 0000000000000000 R14: ffffffff87e607c0 R15: 0000000000000000 [ 34.210481][ C0] do_idle+0x3e0/0x500 [ 34.214529][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 34.219525][ C0] ? schedule+0xe1/0x2b0 [ 34.223753][ C0] cpu_startup_entry+0x14/0x20 [ 34.228502][ C0] start_kernel+0xe16/0xe5a [ 34.232983][ C0] ? mem_encrypt_init+0x5/0x5 [ 34.237655][ C0] ? x86_family+0x3d/0x50 [ 34.241962][ C0] ? load_ucode_bsp+0x23d/0x27d [ 34.246788][ C0] secondary_startup_64+0xb6/0xc0 [ 34.251782][ C0] Modules linked in: [ 34.255656][ C0] ---[ end trace eca37a89cc7a3629 ]--- [ 34.261091][ C0] RIP: 0010:ath9k_hif_usb_rx_cb+0x103/0xf70 [ 34.266959][ C0] Code: 83 3c 24 00 48 89 c3 0f 84 19 04 00 00 e8 95 d5 6e fe 48 8d bb a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 27 0c 00 00 4c 8b a3 a8 00 00 00 4d 85 e4 0f 84 [ 34.286536][ C0] RSP: 0018:ffff8881db209928 EFLAGS: 00010002 [ 34.292633][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835ed4bc [ 34.300591][ C0] RDX: 0000000000000015 RSI: ffffffff82d0804b RDI: 00000000000000a8 [ 34.308568][ C0] RBP: ffff8881d3c03b00 R08: ffffffff8702cc40 R09: fffffbfff0e28205 [ 34.316540][ C0] R10: fffffbfff0e28204 R11: ffffffff87141023 R12: 0100000000000001 [ 34.324492][ C0] R13: ffff8881ceef31c8 R14: ffff8881d3c03b00 R15: ffff8881d3c03b40 [ 34.332444][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 34.341350][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.347916][ C0] CR2: 000056168f698a48 CR3: 00000001d050a000 CR4: 00000000001406f0 [ 34.355870][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.363817][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.371763][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 34.379453][ C0] Kernel Offset: disabled [ 34.383763][ C0] Rebooting in 86400 seconds..