Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 713.051927][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 713.142055][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 713.261908][ T95] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 713.270047][ T95] usb 1-1: config 0 has no interface number 0 [ 713.276377][ T95] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 713.285452][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 713.299421][ T95] usb 1-1: config 0 descriptor?? [ 713.349667][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 713.551830][ T95] snd_usb_pod 1-1:0.1: set_interface failed [ 713.558290][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 713.566134][ T95] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 713.574366][ T95] usb 1-1: USB disconnect, device number 2 [ 714.141805][ T95] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 714.231855][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 714.351845][ T95] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 714.360021][ T95] usb 1-1: config 0 has no interface number 0 [ 714.366325][ T95] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 714.375397][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 714.385135][ T95] usb 1-1: config 0 descriptor?? [ 714.423866][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 714.642495][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now attached [ 715.299003][ T1804] udc-core: couldn't find an available UDC or it's busy [ 715.306098][ T1804] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 715.315423][ T94] usb 1-1: USB disconnect, device number 3 [ 849.537266][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor379:1804] [ 849.546142][ C1] Modules linked in: [ 849.550047][ C1] irq event stamp: 134322 [ 849.554823][ C1] hardirqs last enabled at (134321): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 849.565000][ C1] hardirqs last disabled at (134322): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 849.575323][ C1] softirqs last enabled at (134320): [] __do_softirq+0x673/0x950 [ 849.585329][ C1] softirqs last disabled at (134313): [] irq_exit+0x178/0x1a0 [ 849.595136][ C1] CPU: 1 PID: 1804 Comm: syz-executor379 Not tainted 5.6.0-rc3-syzkaller #0 [ 849.604152][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 849.614343][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 849.620758][ C1] Code: 5f 5d c3 e8 83 64 0a 00 48 8b 54 24 08 4c 89 f9 8b 7c 24 14 48 8d 74 24 40 e8 cd f9 ff ff 41 89 c4 eb 07 e8 63 64 0a 00 f3 90 <8b> 5c 24 58 31 ff 83 e3 01 89 de e8 c1 65 0a 00 85 db 75 e5 e8 48 [ 849.640374][ C1] RSP: 0018:ffff8881cd0177c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 849.648784][ C1] RAX: ffff8881ce6d1880 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 849.656746][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 849.664707][ C1] RBP: ffff8881cd017898 R08: ffff8881ce6d1880 R09: 0000000000000000 [ 849.672665][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 849.680626][ C1] R13: 0000000000000001 R14: ffff8881ce238c40 R15: ffff8881db333dc0 [ 849.688587][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 849.697516][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 849.704093][ C1] CR2: 00007f4d21e62000 CR3: 0000000007021000 CR4: 00000000001406e0 [ 849.712066][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 849.720025][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 849.727981][ C1] Call Trace: [ 849.731354][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 849.743839][ C1] ? generic_exec_single+0x370/0x370 [ 849.749114][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 849.755699][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 849.761774][ C1] smp_call_function_many_cond+0x25e/0x900 [ 849.767571][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 849.774148][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 849.779770][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 849.785172][ C1] tlb_flush_mmu+0x274/0x630 [ 849.789754][ C1] tlb_finish_mmu+0x93/0x420 [ 849.794340][ C1] exit_mmap+0x298/0x4d0 [ 849.798576][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 849.803503][ C1] mmput+0xce/0x3d0 [ 849.807302][ C1] do_exit+0xaa0/0x2c50 [ 849.811568][ C1] ? find_held_lock+0x2d/0x110 [ 849.816334][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 849.821702][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 849.826547][ C1] do_group_exit+0x125/0x340 [ 849.831168][ C1] get_signal+0x480/0x2470 [ 849.835687][ C1] do_signal+0x88/0x1490 [ 849.839923][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 849.845719][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 849.850994][ C1] ? setup_sigcontext+0x820/0x820 [ 849.856073][ C1] ? raw_ioctl+0x193/0x1a70 [ 849.860657][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 849.865074][ C1] ? raw_open+0x470/0x470 [ 849.869415][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 849.874696][ C1] do_syscall_64+0x4e0/0x5a0 [ 849.879283][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 849.885192][ C1] RIP: 0033:0x44a027 [ 849.889160][ C1] Code: Bad RIP value. [ 849.893218][ C1] RSP: 002b:00007fb583b0c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 849.901620][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a027 [ 849.909581][ C1] RDX: 00007fb583b0c930 RSI: 0000000080085502 RDI: 0000000000000004 [ 849.917542][ C1] RBP: 00007fb583b0c528 R08: 0000000000000000 R09: 000000000000000b [ 849.925633][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000036 [ 849.933603][ C1] R13: 0001001b02090100 R14: 0000d5e850510e41 R15: 2053434100000112 [ 849.941572][ C1] Sending NMI from CPU 1 to CPUs 0: [ 849.947809][ C1] NMI backtrace for cpu 0 [ 849.947814][ C1] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-syzkaller #0 [ 849.947821][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 849.947825][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 [ 849.947836][ C1] Code: 90 b0 12 00 00 83 fa 02 75 20 48 8b 88 b8 12 00 00 8b 80 b4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 0f 1f 84 00 00 00 00 00 65 4c 8b 04 25 00 0f 02 00 65 8b 05 78 [ 849.947840][ C1] RSP: 0018:ffff8881db2099e0 EFLAGS: 00000006 [ 849.947848][ C1] RAX: ffffffff8702cc40 RBX: 0000000000000000 RCX: ffffffff84ba0d94 [ 849.947853][ C1] RDX: 0000000000000100 RSI: ffffffff84ba0d9e RDI: 0000000000000005 [ 849.947858][ C1] RBP: ffff8881d4ee12a0 R08: ffffffff8702cc40 R09: ffffed103a9dc1c1 [ 849.947863][ C1] R10: ffffed103a9dc1c0 R11: ffff8881d4ee0e00 R12: 0000000000000001 [ 849.947868][ C1] R13: 000000000000003f R14: 00000000000003c1 R15: 0000000000000001 [ 849.947874][ C1] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 849.947878][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 849.947883][ C1] CR2: 0000000020002180 CR3: 00000001c6f6f000 CR4: 00000000001406f0 [ 849.947888][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 849.947893][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 849.947896][ C1] Call Trace: [ 849.947898][ C1] [ 849.947902][ C1] line6_midibuf_read+0x4ae/0xa30 [ 849.947906][ C1] line6_data_received+0x318/0x520 [ 849.947909][ C1] ? device_id_show+0x80/0x80 [ 849.947913][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 849.947916][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 849.947920][ C1] dummy_timer+0x1258/0x32ae [ 849.947923][ C1] ? dummy_udc_probe+0x930/0x930 [ 849.947927][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 849.947931][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 849.947934][ C1] call_timer_fn+0x195/0x6f0 [ 849.947937][ C1] ? dummy_udc_probe+0x930/0x930 [ 849.947941][ C1] ? msleep_interruptible+0x130/0x130 [ 849.947945][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 849.947949][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 849.947952][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 849.947956][ C1] ? dummy_udc_probe+0x930/0x930 [ 849.947959][ C1] run_timer_softirq+0x5f9/0x1500 [ 849.947963][ C1] ? add_timer+0x7a0/0x7a0 [ 849.947967][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 849.947970][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 849.947974][ C1] __do_softirq+0x21e/0x950 [ 849.947977][ C1] irq_exit+0x178/0x1a0 [ 849.947981][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 849.947984][ C1] apic_timer_interrupt+0xf/0x20 [ 849.947987][ C1] [ 849.947990][ C1] RIP: 0010:default_idle+0x28/0x300 [ 849.948002][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 94 c9 72 7a 41 54 55 53 0f 1f 44 00 00 e8 16 bb b5 fb e9 07 00 00 00 0f 00 2d 3a 5f 53 00 fb f4 <65> 44 8b 2d 70 c9 72 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 849.948006][ C1] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 849.948014][ C1] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000 [ 849.948019][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c [ 849.948025][ C1] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000 [ 849.948030][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 849.948035][ C1] R13: 0000000000000000 R14: ffffffff87e60000 R15: 0000000000000000 [ 849.948038][ C1] do_idle+0x3e0/0x500 [ 849.948041][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 849.948045][ C1] ? schedule+0xe1/0x2b0 [ 849.948048][ C1] cpu_startup_entry+0x14/0x20 [ 849.948051][ C1] start_kernel+0xde3/0xe27 [ 849.948055][ C1] ? mem_encrypt_init+0x5/0x5 [ 849.948058][ C1] ? x86_family+0x3d/0x50 [ 849.948061][ C1] ? load_ucode_bsp+0x23d/0x27d [ 849.948065][ C1] secondary_startup_64+0xb6/0xc0 [ 849.948073][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 850.332365][ C1] CPU: 1 PID: 1804 Comm: syz-executor379 Tainted: G L 5.6.0-rc3-syzkaller #0 [ 850.342423][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 850.352478][ C1] Call Trace: [ 850.355753][ C1] [ 850.358602][ C1] dump_stack+0xef/0x16e [ 850.362836][ C1] panic+0x2aa/0x6e1 [ 850.366721][ C1] ? add_taint.cold+0x16/0x16 [ 850.371384][ C1] ? cpumask_next+0x3c/0x40 [ 850.377160][ C1] ? printk_safe_flush+0xd9/0x120 [ 850.382177][ C1] ? watchdog_timer_fn.cold+0xee/0x134 [ 850.387626][ C1] ? watchdog_timer_fn.cold+0xe5/0x134 [ 850.393097][ C1] watchdog_timer_fn.cold+0xff/0x134 [ 850.398480][ C1] __hrtimer_run_queues+0x32c/0xd20 [ 850.403689][ C1] ? lockup_detector_update_enable+0x90/0x90 [ 850.409678][ C1] ? hrtimer_init+0x2e0/0x2e0 [ 850.414433][ C1] ? ktime_get_update_offsets_now+0x24c/0x320 [ 850.420502][ C1] hrtimer_interrupt+0x2e8/0x730 [ 850.425441][ C1] smp_apic_timer_interrupt+0xfe/0x540 [ 850.431014][ C1] apic_timer_interrupt+0xf/0x20 [ 850.435972][ C1] [ 850.438916][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 850.445241][ C1] Code: 5f 5d c3 e8 83 64 0a 00 48 8b 54 24 08 4c 89 f9 8b 7c 24 14 48 8d 74 24 40 e8 cd f9 ff ff 41 89 c4 eb 07 e8 63 64 0a 00 f3 90 <8b> 5c 24 58 31 ff 83 e3 01 89 de e8 c1 65 0a 00 85 db 75 e5 e8 48 [ 850.464928][ C1] RSP: 0018:ffff8881cd0177c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 850.473329][ C1] RAX: ffff8881ce6d1880 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 850.481291][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 850.489266][ C1] RBP: ffff8881cd017898 R08: ffff8881ce6d1880 R09: 0000000000000000 [ 850.497234][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 850.505373][ C1] R13: 0000000000000001 R14: ffff8881ce238c40 R15: ffff8881db333dc0 [ 850.513357][ C1] ? smp_call_function_single+0x2df/0x3a0 [ 850.519066][ C1] ? smp_call_function_single+0x2cd/0x3a0 [ 850.524782][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 850.531294][ C1] ? generic_exec_single+0x370/0x370 [ 850.536583][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 850.543098][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 850.549012][ C1] smp_call_function_many_cond+0x25e/0x900 [ 850.554827][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 850.561332][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 850.566960][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 850.571998][ C1] tlb_flush_mmu+0x274/0x630 [ 850.576604][ C1] tlb_finish_mmu+0x93/0x420 [ 850.581208][ C1] exit_mmap+0x298/0x4d0 [ 850.585456][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 850.590399][ C1] mmput+0xce/0x3d0 [ 850.594206][ C1] do_exit+0xaa0/0x2c50 [ 850.598374][ C1] ? find_held_lock+0x2d/0x110 [ 850.603151][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 850.608529][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 850.613382][ C1] do_group_exit+0x125/0x340 [ 850.617974][ C1] get_signal+0x480/0x2470 [ 850.622386][ C1] do_signal+0x88/0x1490 [ 850.626639][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 850.632449][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 850.637736][ C1] ? setup_sigcontext+0x820/0x820 [ 850.642753][ C1] ? raw_ioctl+0x193/0x1a70 [ 850.647262][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 850.651669][ C1] ? raw_open+0x470/0x470 [ 850.655990][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 850.661286][ C1] do_syscall_64+0x4e0/0x5a0 [ 850.665869][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 850.671752][ C1] RIP: 0033:0x44a027 [ 850.675646][ C1] Code: Bad RIP value. [ 850.679708][ C1] RSP: 002b:00007fb583b0c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 850.688109][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a027 [ 850.696072][ C1] RDX: 00007fb583b0c930 RSI: 0000000080085502 RDI: 0000000000000004 [ 850.704038][ C1] RBP: 00007fb583b0c528 R08: 0000000000000000 R09: 000000000000000b [ 850.712002][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000036 [ 850.719963][ C1] R13: 0001001b02090100 R14: 0000d5e850510e41 R15: 2053434100000112 [ 851.825176][ C1] Shutting down cpus with NMI [ 851.830528][ C1] Kernel Offset: disabled [ 851.834914][ C1] Rebooting in 86400 seconds..