Warning: Permanently added '10.128.0.177' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.661798][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 27.021859][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10 [ 27.032991][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has an invalid bInterval 0, changing to 10 [ 27.043913][ T12] usb 1-1: New USB device found, idVendor=24c6, idProduct=d183, bcdDevice=4f.36 [ 27.052956][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.062595][ T12] usb 1-1: config 0 descriptor?? [ 27.103678][ T12] xpad: probe of 1-1:0.0 failed with error -5 [ 27.303057][ T12] usb 1-1: USB disconnect, device number 2 [ 27.861757][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 28.101744][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 28.221844][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 28.232818][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 28.243670][ T12] usb 1-1: New USB device found, idVendor=24c6, idProduct=d183, bcdDevice=4f.36 [ 28.252736][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.261487][ T12] usb 1-1: config 0 descriptor?? [ 28.521708][ C0] divide error: 0000 [#1] SMP KASAN [ 28.526933][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0 [ 28.534017][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.544114][ C0] RIP: 0010:dummy_timer+0xad5/0x2fa2 [ 28.549678][ C0] Code: 0f 84 f5 fd ff ff e8 8a 55 ab fd 89 de 44 89 e7 e8 70 56 ab fd 41 39 dc 0f 82 b0 08 00 00 e8 72 55 ab fd 44 89 e0 31 d2 31 ff <f7> f3 89 d6 89 94 24 c0 00 00 00 e8 cb 56 ab fd 8b 94 24 c0 00 00 [ 28.569993][ C0] RSP: 0018:ffff8881db209b20 EFLAGS: 00010046 [ 28.576035][ C0] RAX: 000000000000000c RBX: 0000000000000000 RCX: ffffffff8392c330 [ 28.583978][ C0] RDX: 0000000000000000 RSI: ffffffff8392c33e RDI: 0000000000000000 [ 28.591931][ C0] RBP: 0000000000000000 R08: ffffffff86c2b200 R09: ffffed103b641353 [ 28.599873][ C0] R10: ffffed103b641352 R11: 0000000000000003 R12: 000000000000000c [ 28.607818][ C0] R13: ffff8881d60d0000 R14: dffffc0000000000 R15: ffff8881d522e100 [ 28.615775][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 28.624676][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.631233][ C0] CR2: 00007f5603553000 CR3: 00000001d0979000 CR4: 00000000001406f0 [ 28.639179][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.647124][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.655066][ C0] Call Trace: [ 28.658330][ C0] <IRQ> [ 28.661181][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.666108][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.671622][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.676893][ C0] call_timer_fn+0x179/0x650 [ 28.681456][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.686363][ C0] ? msleep_interruptible+0x130/0x130 [ 28.691706][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.697223][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.702479][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 28.707650][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.712554][ C0] run_timer_softirq+0x5e3/0x1490 [ 28.717550][ C0] ? add_timer+0x7a0/0x7a0 [ 28.721938][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.727454][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.732711][ C0] __do_softirq+0x221/0x912 [ 28.737211][ C0] irq_exit+0x178/0x1a0 [ 28.741360][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 28.746908][ C0] apic_timer_interrupt+0xf/0x20 [ 28.751823][ C0] </IRQ> [ 28.754743][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 28.759915][ C0] Code: 90 90 41 56 41 55 65 44 8b 2d f4 00 92 7a 41 54 55 53 0f 1f 44 00 00 e8 c6 b2 d3 fb e9 07 00 00 00 0f 00 2d ea a5 52 00 fb f4 <65> 44 8b 2d d0 00 92 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 28.779489][ C0] RSP: 0018:ffffffff86c07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 28.788002][ C0] RAX: 0000000000000007 RBX: ffffffff86c2b200 RCX: 0000000000000000 [ 28.796175][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86c2ba4c [ 28.804187][ C0] RBP: fffffbfff0d85640 R08: ffffffff86c2b200 R09: 0000000000000000 [ 28.812138][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.820084][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.828041][ C0] ? default_idle+0x1a/0x2e0 [ 28.832607][ C0] do_idle+0x3b6/0x500 [ 28.836650][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 28.841647][ C0] ? schedule+0xde/0x250 [ 28.845861][ C0] cpu_startup_entry+0x14/0x20 [ 28.850597][ C0] start_kernel+0x82a/0x864 [ 28.855072][ C0] ? mem_encrypt_init+0x5/0x5 [ 28.859719][ C0] ? x86_family+0x3d/0x50 [ 28.864021][ C0] ? load_ucode_bsp+0x23d/0x27d [ 28.868843][ C0] secondary_startup_64+0xa4/0xb0 [ 28.873935][ C0] Modules linked in: [ 28.877812][ C0] ---[ end trace 120c6c769f1816c2 ]--- [ 28.883247][ C0] RIP: 0010:dummy_timer+0xad5/0x2fa2 [ 28.888518][ C0] Code: 0f 84 f5 fd ff ff e8 8a 55 ab fd 89 de 44 89 e7 e8 70 56 ab fd 41 39 dc 0f 82 b0 08 00 00 e8 72 55 ab fd 44 89 e0 31 d2 31 ff <f7> f3 89 d6 89 94 24 c0 00 00 00 e8 cb 56 ab fd 8b 94 24 c0 00 00 [ 28.908100][ C0] RSP: 0018:ffff8881db209b20 EFLAGS: 00010046 [ 28.914137][ C0] RAX: 000000000000000c RBX: 0000000000000000 RCX: ffffffff8392c330 [ 28.922085][ C0] RDX: 0000000000000000 RSI: ffffffff8392c33e RDI: 0000000000000000 [ 28.930057][ C0] RBP: 0000000000000000 R08: ffffffff86c2b200 R09: ffffed103b641353 [ 28.938011][ C0] R10: ffffed103b641352 R11: 0000000000000003 R12: 000000000000000c [ 28.945965][ C0] R13: ffff8881d60d0000 R14: dffffc0000000000 R15: ffff8881d522e100 [ 28.953911][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 28.962829][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.969407][ C0] CR2: 00007f5603553000 CR3: 00000001d0979000 CR4: 00000000001406f0 [ 28.977403][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.985353][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.993328][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 29.001187][ C0] Kernel Offset: disabled [ 29.005498][ C0] Rebooting in 86400 seconds..