Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 406.349112][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 406.439193][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 406.559127][ T95] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 406.567274][ T95] usb 1-1: config 0 has no interface number 0 [ 406.573616][ T95] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 406.582775][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 406.596438][ T95] usb 1-1: config 0 descriptor?? [ 406.646834][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 406.849001][ T95] snd_usb_pod 1-1:0.1: set_interface failed [ 406.855150][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 406.862625][ T95] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 406.871172][ T95] usb 1-1: USB disconnect, device number 2 [ 407.438991][ T95] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 407.529044][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 407.649499][ T95] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 407.657528][ T95] usb 1-1: config 0 has no interface number 0 [ 407.663724][ T95] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 407.672864][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 407.682161][ T95] usb 1-1: config 0 descriptor?? [ 407.721062][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 407.939708][ T95] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now attached [ 408.594609][ T1800] udc-core: couldn't find an available UDC or it's busy [ 408.601715][ T1800] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 408.610374][ T94] usb 1-1: USB disconnect, device number 3 [ 562.009853][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor063:1800] [ 562.018694][ C1] Modules linked in: [ 562.022610][ C1] irq event stamp: 31020 [ 562.026939][ C1] hardirqs last enabled at (31019): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 562.037000][ C1] hardirqs last disabled at (31020): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 562.047179][ C1] softirqs last enabled at (384): [] __do_softirq+0x673/0x950 [ 562.056353][ C1] softirqs last disabled at (375): [] irq_exit+0x178/0x1a0 [ 562.065900][ C1] CPU: 1 PID: 1800 Comm: syz-executor063 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.074560][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.084718][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 562.091075][ 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 [ 562.110697][ C1] RSP: 0018:ffff8881cd48f7c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 562.119099][ C1] RAX: ffff8881d0053100 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 562.127589][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 562.135551][ C1] RBP: ffff8881cd48f898 R08: ffff8881d0053100 R09: 0000000000000000 [ 562.147277][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.155261][ C1] R13: 0000000000000001 R14: ffff8881cd82b9c0 R15: ffff8881db333dc0 [ 562.163237][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 562.172159][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.178749][ C1] CR2: 00007fec54f75000 CR3: 0000000007021000 CR4: 00000000001406e0 [ 562.186751][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.194727][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.202693][ C1] Call Trace: [ 562.206081][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.212572][ C1] ? generic_exec_single+0x370/0x370 [ 562.217850][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.224520][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 562.230426][ C1] smp_call_function_many_cond+0x25e/0x900 [ 562.236229][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.242721][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 562.248360][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 562.253427][ C1] tlb_flush_mmu+0x274/0x630 [ 562.258011][ C1] tlb_finish_mmu+0x93/0x420 [ 562.262591][ C1] exit_mmap+0x298/0x4d0 [ 562.266832][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 562.271761][ C1] mmput+0xce/0x3d0 [ 562.275571][ C1] do_exit+0xaa0/0x2c50 [ 562.279807][ C1] ? find_held_lock+0x2d/0x110 [ 562.284586][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 562.289955][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 562.294887][ C1] do_group_exit+0x125/0x340 [ 562.300096][ C1] get_signal+0x480/0x2470 [ 562.304541][ C1] do_signal+0x88/0x1490 [ 562.308778][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 562.314589][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 562.319867][ C1] ? setup_sigcontext+0x820/0x820 [ 562.324937][ C1] ? raw_ioctl+0x193/0x1a70 [ 562.329459][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 562.333877][ C1] ? raw_open+0x470/0x470 [ 562.338194][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 562.343467][ C1] do_syscall_64+0x4e0/0x5a0 [ 562.348050][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.353931][ C1] RIP: 0033:0x44a077 [ 562.357885][ C1] Code: Bad RIP value. [ 562.361940][ C1] RSP: 002b:00007f4d4f161cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 562.370338][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a077 [ 562.378296][ C1] RDX: 00007f4d4f162d20 RSI: 0000000080085502 RDI: 0000000000000004 [ 562.386341][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000b [ 562.394316][ C1] R10: 0000000000000011 R11: 0000000000000246 R12: 00007f4d4f161d18 [ 562.402278][ C1] R13: 00007f4d4f162d28 R14: 0000000000000036 R15: 00000000000000e7 [ 562.410246][ C1] Sending NMI from CPU 1 to CPUs 0: [ 562.416472][ C1] NMI backtrace for cpu 0 [ 562.416478][ C1] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.416484][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.416488][ C1] RIP: 0010:line6_pod_process_message+0x78/0x5b0 [ 562.416500][ C1] Code: 89 c6 e8 7b e8 84 fc 45 85 e4 0f 84 e1 00 00 00 e8 fd e6 84 fc 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <48> 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 57 04 00 00 44 0f b6 23 [ 562.416504][ C1] RSP: 0018:ffff8881db209a20 EFLAGS: 00000802 [ 562.416511][ C1] RAX: 0000000000000000 RBX: ffff8881d4c26200 RCX: ffffffff84ba75e5 [ 562.416516][ C1] RDX: 1ffff1103a984c40 RSI: ffffffff84ba75f3 RDI: 0000000000000005 [ 562.416521][ C1] RBP: ffff8881ce044dd0 R08: ffffffff8702cc40 R09: ffffed103a984c41 [ 562.416526][ C1] R10: ffffed103a984c40 R11: ffff8881d4c26200 R12: 0000000000000008 [ 562.416532][ C1] R13: dffffc0000000000 R14: ffffed1039c089c5 R15: 0000000000000001 [ 562.416537][ C1] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 562.416542][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.416547][ C1] CR2: 00007fec54f75000 CR3: 00000001ce083000 CR4: 00000000001406f0 [ 562.416552][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.416557][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.416560][ C1] Call Trace: [ 562.416562][ C1] [ 562.416566][ C1] ? line6_midi_receive+0x14/0x83 [ 562.416569][ C1] line6_data_received+0x39b/0x520 [ 562.416573][ C1] ? device_id_show+0x80/0x80 [ 562.416576][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 562.416580][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 562.416584][ C1] dummy_timer+0x1258/0x32ae [ 562.416587][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.416591][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.416595][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.416598][ C1] call_timer_fn+0x195/0x6f0 [ 562.416602][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.416606][ C1] ? msleep_interruptible+0x130/0x130 [ 562.416609][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.416613][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.416617][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 562.416620][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.416624][ C1] run_timer_softirq+0x5f9/0x1500 [ 562.416627][ C1] ? add_timer+0x7a0/0x7a0 [ 562.416631][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.416635][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.416638][ C1] __do_softirq+0x21e/0x950 [ 562.416641][ C1] irq_exit+0x178/0x1a0 [ 562.416645][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 562.416648][ C1] apic_timer_interrupt+0xf/0x20 [ 562.416651][ C1] [ 562.416655][ C1] RIP: 0010:default_idle+0x28/0x300 [ 562.416666][ 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 [ 562.416670][ C1] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 562.416679][ C1] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000 [ 562.416684][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c [ 562.416689][ C1] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000 [ 562.416694][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.416700][ C1] R13: 0000000000000000 R14: ffffffff87e60000 R15: 0000000000000000 [ 562.416703][ C1] do_idle+0x3e0/0x500 [ 562.416706][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 562.416709][ C1] ? schedule+0xe1/0x2b0 [ 562.416713][ C1] cpu_startup_entry+0x14/0x20 [ 562.416716][ C1] start_kernel+0xde3/0xe27 [ 562.416719][ C1] ? mem_encrypt_init+0x5/0x5 [ 562.416723][ C1] ? x86_family+0x3d/0x50 [ 562.416726][ C1] ? load_ucode_bsp+0x23d/0x27d [ 562.416729][ C1] secondary_startup_64+0xb6/0xc0 [ 562.416738][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 562.802555][ C1] CPU: 1 PID: 1800 Comm: syz-executor063 Tainted: G L 5.6.0-rc3-syzkaller #0 [ 562.812619][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.822683][ C1] Call Trace: [ 562.825962][ C1] [ 562.829002][ C1] dump_stack+0xef/0x16e [ 562.833418][ C1] panic+0x2aa/0x6e1 [ 562.837308][ C1] ? add_taint.cold+0x16/0x16 [ 562.841995][ C1] ? cpumask_next+0x3c/0x40 [ 562.846566][ C1] ? printk_safe_flush+0xd9/0x120 [ 562.852006][ C1] ? watchdog_timer_fn.cold+0xee/0x134 [ 562.857467][ C1] ? watchdog_timer_fn.cold+0xe5/0x134 [ 562.862922][ C1] watchdog_timer_fn.cold+0xff/0x134 [ 562.868646][ C1] __hrtimer_run_queues+0x32c/0xd20 [ 562.875172][ C1] ? lockup_detector_update_enable+0x90/0x90 [ 562.881272][ C1] ? hrtimer_init+0x2e0/0x2e0 [ 562.886029][ C1] ? ktime_get_update_offsets_now+0x24c/0x320 [ 562.892098][ C1] hrtimer_interrupt+0x2e8/0x730 [ 562.897391][ C1] smp_apic_timer_interrupt+0xfe/0x540 [ 562.902874][ C1] apic_timer_interrupt+0xf/0x20 [ 562.907805][ C1] [ 562.910788][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 562.917113][ 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 [ 562.936817][ C1] RSP: 0018:ffff8881cd48f7c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 562.945226][ C1] RAX: ffff8881d0053100 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 562.953455][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 562.961599][ C1] RBP: ffff8881cd48f898 R08: ffff8881d0053100 R09: 0000000000000000 [ 562.969572][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.977543][ C1] R13: 0000000000000001 R14: ffff8881cd82b9c0 R15: ffff8881db333dc0 [ 562.985532][ C1] ? smp_call_function_single+0x2df/0x3a0 [ 562.991248][ C1] ? smp_call_function_single+0x2cd/0x3a0 [ 562.997054][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.003576][ C1] ? generic_exec_single+0x370/0x370 [ 563.008862][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.015363][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 563.021274][ C1] smp_call_function_many_cond+0x25e/0x900 [ 563.027742][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.034641][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 563.040390][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 563.045791][ C1] tlb_flush_mmu+0x274/0x630 [ 563.050387][ C1] tlb_finish_mmu+0x93/0x420 [ 563.054970][ C1] exit_mmap+0x298/0x4d0 [ 563.059204][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 563.064137][ C1] mmput+0xce/0x3d0 [ 563.068285][ C1] do_exit+0xaa0/0x2c50 [ 563.072438][ C1] ? find_held_lock+0x2d/0x110 [ 563.077194][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 563.082577][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 563.087445][ C1] do_group_exit+0x125/0x340 [ 563.092032][ C1] get_signal+0x480/0x2470 [ 563.096441][ C1] do_signal+0x88/0x1490 [ 563.100677][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 563.106475][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 563.111756][ C1] ? setup_sigcontext+0x820/0x820 [ 563.116774][ C1] ? raw_ioctl+0x193/0x1a70 [ 563.121272][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 563.125687][ C1] ? raw_open+0x470/0x470 [ 563.130011][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 563.135296][ C1] do_syscall_64+0x4e0/0x5a0 [ 563.139885][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.145770][ C1] RIP: 0033:0x44a077 [ 563.149756][ C1] Code: Bad RIP value. [ 563.153831][ C1] RSP: 002b:00007f4d4f161cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 563.162256][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a077 [ 563.170227][ C1] RDX: 00007f4d4f162d20 RSI: 0000000080085502 RDI: 0000000000000004 [ 563.178212][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000b [ 563.186194][ C1] R10: 0000000000000011 R11: 0000000000000246 R12: 00007f4d4f161d18 [ 563.194290][ C1] R13: 00007f4d4f162d28 R14: 0000000000000036 R15: 00000000000000e7 [ 564.298239][ C1] Shutting down cpus with NMI [ 564.303837][ C1] Kernel Offset: disabled [ 564.308348][ C1] Rebooting in 86400 seconds..