Warning: Permanently added '10.128.1.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 417.338708][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 417.428882][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 417.549121][ T94] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 417.557422][ T94] usb 1-1: config 0 has no interface number 0 [ 417.563671][ T94] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 417.572754][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 417.587067][ T94] usb 1-1: config 0 descriptor?? [ 417.637418][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 417.838610][ T94] snd_usb_pod 1-1:0.1: set_interface failed [ 417.844733][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 417.852386][ T94] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 417.860995][ T94] usb 1-1: USB disconnect, device number 2 [ 418.428986][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 418.518709][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 418.638644][ T94] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 418.646684][ T94] usb 1-1: config 0 has no interface number 0 [ 418.653210][ T94] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 418.662289][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 418.671961][ T94] usb 1-1: config 0 descriptor?? [ 418.710998][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 418.919557][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now attached [ 419.575227][ T1802] udc-core: couldn't find an available UDC or it's busy [ 419.582325][ T1802] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 419.591137][ T95] usb 1-1: USB disconnect, device number 3 [ 562.565503][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor283:1802] [ 562.574356][ C1] Modules linked in: [ 562.578245][ C1] irq event stamp: 28944 [ 562.582729][ C1] hardirqs last enabled at (28943): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 562.592803][ C1] hardirqs last disabled at (28944): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 562.603399][ C1] softirqs last enabled at (394): [] __do_softirq+0x673/0x950 [ 562.612577][ C1] softirqs last disabled at (385): [] irq_exit+0x178/0x1a0 [ 562.622519][ C1] CPU: 1 PID: 1802 Comm: syz-executor283 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.631329][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.641566][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 562.648037][ 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 [ 562.667660][ C1] RSP: 0018:ffff8881cd9477c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 562.676146][ C1] RAX: ffff8881cf9ec980 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 562.684135][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 562.692117][ C1] RBP: ffff8881cd947898 R08: ffff8881cf9ec980 R09: 0000000000000000 [ 562.700102][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.708091][ C1] R13: 0000000000000001 R14: ffff8881ce0d12c0 R15: ffff8881db333dc0 [ 562.716083][ C1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 562.725027][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.731622][ C1] CR2: 00007ff3fe85a000 CR3: 0000000007021000 CR4: 00000000001406e0 [ 562.739600][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.747580][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.755567][ C1] Call Trace: [ 562.758981][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.765490][ C1] ? generic_exec_single+0x370/0x370 [ 562.770770][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.777652][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 562.783557][ C1] smp_call_function_many_cond+0x25e/0x900 [ 562.789390][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.795898][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 562.801545][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 562.806661][ C1] tlb_flush_mmu+0x274/0x630 [ 562.811284][ C1] tlb_finish_mmu+0x93/0x420 [ 562.816031][ C1] exit_mmap+0x298/0x4d0 [ 562.820289][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 562.825229][ C1] mmput+0xce/0x3d0 [ 562.829060][ C1] do_exit+0xaa0/0x2c50 [ 562.833321][ C1] ? find_held_lock+0x2d/0x110 [ 562.838112][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 562.843481][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 562.848346][ C1] do_group_exit+0x125/0x340 [ 562.852997][ C1] get_signal+0x480/0x2470 [ 562.857463][ C1] do_signal+0x88/0x1490 [ 562.861706][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 562.867513][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 562.872817][ C1] ? setup_sigcontext+0x820/0x820 [ 562.877922][ C1] ? raw_ioctl+0x193/0x1a70 [ 562.882459][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 562.886890][ C1] ? raw_open+0x470/0x470 [ 562.891246][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 562.896556][ C1] do_syscall_64+0x4e0/0x5a0 [ 562.901173][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.907082][ C1] RIP: 0033:0x44a017 [ 562.911050][ C1] Code: Bad RIP value. [ 562.915217][ C1] RSP: 002b:00007fca5a683cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 562.923644][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a017 [ 562.931633][ C1] RDX: 00007fca5a684d20 RSI: 0000000080085502 RDI: 0000000000000004 [ 562.939628][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000b [ 562.947626][ C1] R10: 0000000000000011 R11: 0000000000000246 R12: 00007fca5a683d18 [ 562.955607][ C1] R13: 00007fca5a684d28 R14: 0000000000000036 R15: 00000000000000e7 [ 562.963602][ C1] Sending NMI from CPU 1 to CPUs 0: [ 562.969843][ C1] NMI backtrace for cpu 0 [ 562.969849][ C1] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.969855][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.969860][ C1] RIP: 0010:line6_pod_process_message+0x138/0x5b0 [ 562.969871][ C1] Code: 0f 85 34 04 00 00 44 0f b6 63 05 bf 56 00 00 00 44 89 e6 e8 6a e7 84 fc 41 80 fc 56 0f 84 57 02 00 00 48 83 c4 08 5b 5d 41 5c <41> 5d e9 21 e6 84 fc e8 1c e6 84 fc 48 8d 7b 0d 48 b8 00 00 00 00 [ 562.969875][ C1] RSP: 0018:ffff8881db209a40 EFLAGS: 00000086 [ 562.969883][ C1] RAX: 0000000000000101 RBX: ffffed1039bf01c4 RCX: ffffffff84ba7643 [ 562.969888][ C1] RDX: 00000000000000ff RSI: 00000000000000f5 RDI: 0000000000000001 [ 562.969893][ C1] RBP: ffff8881cdf80dd0 R08: ffffffff8702cc40 R09: ffffed103a9ccc01 [ 562.969898][ C1] R10: ffffed103a9ccc00 R11: ffff8881d4e66000 R12: ffff8881d4e65ca0 [ 562.969903][ C1] R13: dffffc0000000000 R14: ffffed1039bf01c5 R15: 0000000000000001 [ 562.969909][ C1] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 562.969913][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.969918][ C1] CR2: 00007ff3fe85a000 CR3: 00000001c6f86000 CR4: 00000000001406f0 [ 562.969923][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.969928][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.969931][ C1] Call Trace: [ 562.969933][ C1] [ 562.969937][ C1] line6_data_received+0x39b/0x520 [ 562.969940][ C1] ? device_id_show+0x80/0x80 [ 562.969944][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 562.969948][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 562.969951][ C1] dummy_timer+0x1258/0x32ae [ 562.969955][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.969959][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.969962][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.969965][ C1] call_timer_fn+0x195/0x6f0 [ 562.969969][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.969973][ C1] ? msleep_interruptible+0x130/0x130 [ 562.969977][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.969980][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.969984][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 562.969987][ C1] ? dummy_udc_probe+0x930/0x930 [ 562.969990][ C1] run_timer_softirq+0x5f9/0x1500 [ 562.969994][ C1] ? add_timer+0x7a0/0x7a0 [ 562.969997][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.970001][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.970004][ C1] __do_softirq+0x21e/0x950 [ 562.970007][ C1] irq_exit+0x178/0x1a0 [ 562.970011][ C1] smp_apic_timer_interrupt+0x141/0x540 [ 562.970015][ C1] apic_timer_interrupt+0xf/0x20 [ 562.970017][ C1] [ 562.970021][ C1] RIP: 0010:default_idle+0x28/0x300 [ 562.970032][ 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 [ 562.970036][ C1] RSP: 0018:ffffffff87007d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 562.970045][ C1] RAX: 0000000000000007 RBX: ffffffff8702cc40 RCX: 0000000000000000 [ 562.970050][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702d48c [ 562.970055][ C1] RBP: fffffbfff0e05988 R08: ffffffff8702cc40 R09: 0000000000000000 [ 562.970060][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.970065][ C1] R13: 0000000000000000 R14: ffffffff87e60000 R15: 0000000000000000 [ 562.970068][ C1] do_idle+0x3e0/0x500 [ 562.970072][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 562.970075][ C1] ? schedule+0xe1/0x2b0 [ 562.970079][ C1] cpu_startup_entry+0x14/0x20 [ 562.970082][ C1] start_kernel+0xde3/0xe27 [ 562.970100][ C1] ? mem_encrypt_init+0x5/0x5 [ 562.970103][ C1] ? x86_family+0x3d/0x50 [ 562.970106][ C1] ? load_ucode_bsp+0x23d/0x27d [ 562.970110][ C1] secondary_startup_64+0xb6/0xc0 [ 562.970119][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 563.353917][ C1] CPU: 1 PID: 1802 Comm: syz-executor283 Tainted: G L 5.6.0-rc3-syzkaller #0 [ 563.363978][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.374039][ C1] Call Trace: [ 563.377322][ C1] [ 563.380171][ C1] dump_stack+0xef/0x16e [ 563.384409][ C1] panic+0x2aa/0x6e1 [ 563.388296][ C1] ? add_taint.cold+0x16/0x16 [ 563.392957][ C1] ? cpumask_next+0x3c/0x40 [ 563.397541][ C1] ? printk_safe_flush+0xd9/0x120 [ 563.402639][ C1] ? watchdog_timer_fn.cold+0xee/0x134 [ 563.408099][ C1] ? watchdog_timer_fn.cold+0xe5/0x134 [ 563.413575][ C1] watchdog_timer_fn.cold+0xff/0x134 [ 563.418857][ C1] __hrtimer_run_queues+0x32c/0xd20 [ 563.424071][ C1] ? lockup_detector_update_enable+0x90/0x90 [ 563.430063][ C1] ? hrtimer_init+0x2e0/0x2e0 [ 563.434808][ C1] ? ktime_get_update_offsets_now+0x24c/0x320 [ 563.440892][ C1] hrtimer_interrupt+0x2e8/0x730 [ 563.445832][ C1] smp_apic_timer_interrupt+0xfe/0x540 [ 563.451301][ C1] apic_timer_interrupt+0xf/0x20 [ 563.456238][ C1] [ 563.459213][ C1] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 563.465550][ 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 [ 563.485153][ C1] RSP: 0018:ffff8881cd9477c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 563.493584][ C1] RAX: ffff8881cf9ec980 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 563.501562][ C1] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 563.509540][ C1] RBP: ffff8881cd947898 R08: ffff8881cf9ec980 R09: 0000000000000000 [ 563.517520][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 563.525506][ C1] R13: 0000000000000001 R14: ffff8881ce0d12c0 R15: ffff8881db333dc0 [ 563.533529][ C1] ? smp_call_function_single+0x2df/0x3a0 [ 563.539256][ C1] ? smp_call_function_single+0x2cd/0x3a0 [ 563.545060][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.551567][ C1] ? generic_exec_single+0x370/0x370 [ 563.556851][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.563372][ C1] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 563.569292][ C1] smp_call_function_many_cond+0x25e/0x900 [ 563.575099][ C1] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.581609][ C1] ? native_flush_tlb_others+0x3c9/0x4b0 [ 563.587242][ C1] flush_tlb_mm_range+0x1e8/0x3e0 [ 563.592382][ C1] tlb_flush_mmu+0x274/0x630 [ 563.596974][ C1] tlb_finish_mmu+0x93/0x420 [ 563.601574][ C1] exit_mmap+0x298/0x4d0 [ 563.605825][ C1] ? __ia32_sys_munmap+0x80/0x80 [ 563.610977][ C1] mmput+0xce/0x3d0 [ 563.614783][ C1] do_exit+0xaa0/0x2c50 [ 563.618948][ C1] ? find_held_lock+0x2d/0x110 [ 563.623712][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 563.629082][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 563.633930][ C1] do_group_exit+0x125/0x340 [ 563.638527][ C1] get_signal+0x480/0x2470 [ 563.642960][ C1] do_signal+0x88/0x1490 [ 563.647215][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 563.653020][ C1] ? lockdep_hardirqs_on+0x382/0x580 [ 563.658305][ C1] ? setup_sigcontext+0x820/0x820 [ 563.663325][ C1] ? raw_ioctl+0x193/0x1a70 [ 563.667828][ C1] ? ksys_dup3+0x3c0/0x3c0 [ 563.672240][ C1] ? raw_open+0x470/0x470 [ 563.676575][ C1] exit_to_usermode_loop+0x1a2/0x200 [ 563.681862][ C1] do_syscall_64+0x4e0/0x5a0 [ 563.686455][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.692456][ C1] RIP: 0033:0x44a017 [ 563.696365][ C1] Code: Bad RIP value. [ 563.700441][ C1] RSP: 002b:00007fca5a683cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 563.708865][ C1] RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000044a017 [ 563.716843][ C1] RDX: 00007fca5a684d20 RSI: 0000000080085502 RDI: 0000000000000004 [ 563.724841][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000b [ 563.732829][ C1] R10: 0000000000000011 R11: 0000000000000246 R12: 00007fca5a683d18 [ 563.740803][ C1] R13: 00007fca5a684d28 R14: 0000000000000036 R15: 00000000000000e7 [ 564.844853][ C1] Shutting down cpus with NMI [ 564.849613][ C1] Kernel Offset: disabled [ 564.854051][ C1] Rebooting in 86400 seconds..