Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 424.051867][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 424.142007][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 424.261830][ T94] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 424.270056][ T94] usb 1-1: config 0 has no interface number 0 [ 424.276406][ T94] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 424.286037][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 424.300091][ T94] usb 1-1: config 0 descriptor?? [ 424.349546][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 424.551826][ T94] snd_usb_pod 1-1:0.1: set_interface failed [ 424.557970][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 424.565735][ T94] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 424.574285][ T94] usb 1-1: USB disconnect, device number 2 [ 425.131689][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 425.221825][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 425.341772][ T94] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 425.349894][ T94] usb 1-1: config 0 has no interface number 0 [ 425.356283][ T94] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 425.365379][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 425.374947][ T94] usb 1-1: config 0 descriptor?? [ 425.414067][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 425.621721][ T94] snd_usb_pod 1-1:0.1: set_interface failed [ 425.627817][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now disconnected [ 425.635478][ T94] snd_usb_pod: probe of 1-1:0.1 failed with error -71 [ 425.643570][ T94] usb 1-1: USB disconnect, device number 3 [ 426.201687][ T94] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 426.291769][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 426.411759][ T94] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 426.420064][ T94] usb 1-1: config 0 has no interface number 0 [ 426.426668][ T94] usb 1-1: New USB device found, idVendor=0e41, idProduct=5051, bcdDevice=d5.e8 [ 426.435821][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 426.445253][ T94] usb 1-1: config 0 descriptor?? [ 426.484190][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD found [ 426.692475][ T94] snd_usb_pod 1-1:0.1: Line 6 Pocket POD now attached [ 427.348250][ T1805] udc-core: couldn't find an available UDC or it's busy [ 427.355409][ T1805] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 427.365191][ T12] usb 1-1: USB disconnect, device number 4 [ 427.748729][ T1800] udc-core: couldn't find an available UDC or it's busy [ 427.756036][ T1800] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 562.500511][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor192:1800] [ 562.509368][ C0] Modules linked in: [ 562.513257][ C0] irq event stamp: 136218 [ 562.517723][ C0] hardirqs last enabled at (136217): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 562.527865][ C0] hardirqs last disabled at (136218): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 562.538241][ C0] softirqs last enabled at (136216): [] __do_softirq+0x673/0x950 [ 562.547926][ C0] softirqs last disabled at (136209): [] irq_exit+0x178/0x1a0 [ 562.557740][ C0] CPU: 0 PID: 1800 Comm: syz-executor192 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.566404][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.576794][ C0] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 562.583121][ C0] 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 [ 562.602949][ C0] RSP: 0018:ffff8881cd64f7c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 562.611387][ C0] RAX: ffff8881cf4f4980 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 562.619364][ C0] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 562.627343][ C0] RBP: ffff8881cd64f898 R08: ffff8881cf4f4980 R09: 0000000000000000 [ 562.635601][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.643761][ C0] R13: 0000000000000000 R14: ffff8881ce62fac0 R15: ffff8881db233dc0 [ 562.651758][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 562.660695][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.667340][ C0] CR2: 00007f6ccf23b000 CR3: 0000000007021000 CR4: 00000000001406f0 [ 562.675324][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.683290][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.691252][ C0] Call Trace: [ 562.694636][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.701128][ C0] ? generic_exec_single+0x370/0x370 [ 562.706406][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.713534][ C0] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 562.719482][ C0] smp_call_function_many_cond+0x25e/0x900 [ 562.725315][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 562.731818][ C0] ? native_flush_tlb_others+0x3c9/0x4b0 [ 562.737474][ C0] flush_tlb_mm_range+0x1e8/0x3e0 [ 562.742573][ C0] tlb_flush_mmu+0x274/0x630 [ 562.747165][ C0] tlb_finish_mmu+0x93/0x420 [ 562.751766][ C0] exit_mmap+0x298/0x4d0 [ 562.756004][ C0] ? __ia32_sys_munmap+0x80/0x80 [ 562.760940][ C0] mmput+0xce/0x3d0 [ 562.764738][ C0] do_exit+0xaa0/0x2c50 [ 562.768955][ C0] ? find_held_lock+0x2d/0x110 [ 562.773716][ C0] ? mm_update_next_owner+0x7a0/0x7a0 [ 562.779116][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 562.783995][ C0] do_group_exit+0x125/0x340 [ 562.788679][ C0] get_signal+0x480/0x2470 [ 562.793532][ C0] ? debug_check_no_obj_freed+0xc4/0x445 [ 562.799174][ C0] ? futex_exit_release+0x60/0x60 [ 562.804241][ C0] do_signal+0x88/0x1490 [ 562.808535][ C0] ? __kasan_slab_free+0x12e/0x160 [ 562.813702][ C0] ? raw_ioctl+0x3c5/0x1a70 [ 562.818199][ C0] ? setup_sigcontext+0x820/0x820 [ 562.823252][ C0] ? raw_ioctl+0x193/0x1a70 [ 562.827744][ C0] ? __x64_sys_futex+0x380/0x4f0 [ 562.832675][ C0] ? do_futex+0x1b90/0x1b90 [ 562.837353][ C0] exit_to_usermode_loop+0x1a2/0x200 [ 562.842676][ C0] do_syscall_64+0x4e0/0x5a0 [ 562.847321][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.853246][ C0] RIP: 0033:0x44a1e9 [ 562.857147][ C0] Code: Bad RIP value. [ 562.861203][ C0] RSP: 002b:00007f5a965a2d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 562.869625][ C0] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 000000000044a1e9 [ 562.877744][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 562.885959][ C0] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 562.893931][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 562.901985][ C0] R13: 0000000007da045e R14: 1018000000000112 R15: 00000000000000e7 [ 562.910304][ C0] Sending NMI from CPU 0 to CPUs 1: [ 562.916563][ C0] NMI backtrace for cpu 1 [ 562.916569][ C0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc3-syzkaller #0 [ 562.916575][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.916579][ C0] RIP: 0010:write_comp_data+0x9/0x70 [ 562.916590][ C0] Code: 80 b4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 65 4c 8b 04 25 00 0f 02 00 <65> 8b 05 78 b1 c2 7e a9 00 01 1f 00 75 51 41 8b 80 b0 12 00 00 83 [ 562.916595][ C0] RSP: 0018:ffff8881db309a18 EFLAGS: 00000046 [ 562.916602][ C0] RAX: 0000000000000000 RBX: ffff8881d9286800 RCX: ffffffff84ba762b [ 562.916607][ C0] RDX: 00000000000000f6 RSI: 00000000000000f2 RDI: 0000000000000001 [ 562.916613][ C0] RBP: ffff8881c6994dd0 R08: ffff8881da213100 R09: ffffed103b250d01 [ 562.916618][ C0] R10: ffffed103b250d00 R11: ffff8881d9286800 R12: 00000000000000f6 [ 562.916623][ C0] R13: dffffc0000000000 R14: ffffed1038d329c5 R15: 0000000000000001 [ 562.916629][ C0] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 562.916633][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.916638][ C0] CR2: 00007f6ccf23b000 CR3: 00000001c5e93000 CR4: 00000000001406e0 [ 562.916643][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.916653][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.916656][ C0] Call Trace: [ 562.916659][ C0] [ 562.916663][ C0] line6_pod_process_message+0x9b/0x5b0 [ 562.916666][ C0] ? line6_midi_receive+0x14/0x83 [ 562.916670][ C0] line6_data_received+0x39b/0x520 [ 562.916673][ C0] ? device_id_show+0x80/0x80 [ 562.916677][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 562.916681][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 562.916684][ C0] dummy_timer+0x1258/0x32ae [ 562.916688][ C0] ? dummy_udc_probe+0x930/0x930 [ 562.916692][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.916695][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.916699][ C0] call_timer_fn+0x195/0x6f0 [ 562.916702][ C0] ? dummy_udc_probe+0x930/0x930 [ 562.916706][ C0] ? msleep_interruptible+0x130/0x130 [ 562.916710][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.916714][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.916717][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 562.916721][ C0] ? dummy_udc_probe+0x930/0x930 [ 562.916725][ C0] run_timer_softirq+0x5f9/0x1500 [ 562.916728][ C0] ? add_timer+0x7a0/0x7a0 [ 562.916732][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 562.916736][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 562.916739][ C0] __do_softirq+0x21e/0x950 [ 562.916742][ C0] irq_exit+0x178/0x1a0 [ 562.916746][ C0] smp_apic_timer_interrupt+0x141/0x540 [ 562.916750][ C0] apic_timer_interrupt+0xf/0x20 [ 562.916752][ C0] [ 562.916756][ C0] RIP: 0010:default_idle+0x28/0x300 [ 562.916767][ C0] 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 [ 562.916771][ C0] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 562.916780][ C0] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000 [ 562.916785][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c [ 562.916790][ C0] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000 [ 562.916795][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 562.916801][ C0] R13: 0000000000000001 R14: ffffffff87e60000 R15: 0000000000000000 [ 562.916804][ C0] ? default_idle+0x1a/0x300 [ 562.916807][ C0] do_idle+0x3e0/0x500 [ 562.916811][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 562.916814][ C0] ? do_idle+0x310/0x500 [ 562.916817][ C0] cpu_startup_entry+0x14/0x20 [ 562.916821][ C0] start_secondary+0x2a4/0x390 [ 562.916825][ C0] ? set_cpu_sibling_map+0x1e90/0x1e90 [ 562.916828][ C0] secondary_startup_64+0xb6/0xc0 [ 562.916835][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 563.304029][ C0] CPU: 0 PID: 1800 Comm: syz-executor192 Tainted: G L 5.6.0-rc3-syzkaller #0 [ 563.314099][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.324168][ C0] Call Trace: [ 563.327454][ C0] [ 563.330408][ C0] dump_stack+0xef/0x16e [ 563.334659][ C0] panic+0x2aa/0x6e1 [ 563.338548][ C0] ? add_taint.cold+0x16/0x16 [ 563.343217][ C0] ? cpumask_next+0x3c/0x40 [ 563.347749][ C0] ? printk_safe_flush+0xd9/0x120 [ 563.352787][ C0] ? watchdog_timer_fn.cold+0xee/0x134 [ 563.358235][ C0] ? watchdog_timer_fn.cold+0xe5/0x134 [ 563.363687][ C0] watchdog_timer_fn.cold+0xff/0x134 [ 563.368978][ C0] __hrtimer_run_queues+0x32c/0xd20 [ 563.374170][ C0] ? lockup_detector_update_enable+0x90/0x90 [ 563.380147][ C0] ? hrtimer_init+0x2e0/0x2e0 [ 563.384989][ C0] ? ktime_get_update_offsets_now+0x24c/0x320 [ 563.391079][ C0] hrtimer_interrupt+0x2e8/0x730 [ 563.396109][ C0] smp_apic_timer_interrupt+0xfe/0x540 [ 563.401582][ C0] apic_timer_interrupt+0xf/0x20 [ 563.406529][ C0] [ 563.409464][ C0] RIP: 0010:smp_call_function_single+0x2cf/0x3a0 [ 563.415791][ C0] 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 [ 563.435406][ C0] RSP: 0018:ffff8881cd64f7c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 563.443927][ C0] RAX: ffff8881cf4f4980 RBX: 0000000000000001 RCX: ffffffff8134f89f [ 563.451892][ C0] RDX: 0000000000000000 RSI: ffffffff8134f88d RDI: 0000000000000005 [ 563.459857][ C0] RBP: ffff8881cd64f898 R08: ffff8881cf4f4980 R09: 0000000000000000 [ 563.467819][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 563.475781][ C0] R13: 0000000000000000 R14: ffff8881ce62fac0 R15: ffff8881db233dc0 [ 563.483757][ C0] ? smp_call_function_single+0x2df/0x3a0 [ 563.489583][ C0] ? smp_call_function_single+0x2cd/0x3a0 [ 563.495307][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.501806][ C0] ? generic_exec_single+0x370/0x370 [ 563.507091][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.513590][ C0] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 563.519480][ C0] smp_call_function_many_cond+0x25e/0x900 [ 563.525287][ C0] ? flush_tlb_func_common.constprop.0+0x8a0/0x8a0 [ 563.532043][ C0] ? native_flush_tlb_others+0x3c9/0x4b0 [ 563.537665][ C0] flush_tlb_mm_range+0x1e8/0x3e0 [ 563.542682][ C0] tlb_flush_mmu+0x274/0x630 [ 563.547294][ C0] tlb_finish_mmu+0x93/0x420 [ 563.551905][ C0] exit_mmap+0x298/0x4d0 [ 563.556176][ C0] ? __ia32_sys_munmap+0x80/0x80 [ 563.561119][ C0] mmput+0xce/0x3d0 [ 563.564939][ C0] do_exit+0xaa0/0x2c50 [ 563.569104][ C0] ? find_held_lock+0x2d/0x110 [ 563.574483][ C0] ? mm_update_next_owner+0x7a0/0x7a0 [ 563.579849][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 563.584708][ C0] do_group_exit+0x125/0x340 [ 563.589293][ C0] get_signal+0x480/0x2470 [ 563.593704][ C0] ? debug_check_no_obj_freed+0xc4/0x445 [ 563.599339][ C0] ? futex_exit_release+0x60/0x60 [ 563.604374][ C0] do_signal+0x88/0x1490 [ 563.608634][ C0] ? __kasan_slab_free+0x12e/0x160 [ 563.613745][ C0] ? raw_ioctl+0x3c5/0x1a70 [ 563.618242][ C0] ? setup_sigcontext+0x820/0x820 [ 563.623257][ C0] ? raw_ioctl+0x193/0x1a70 [ 563.627775][ C0] ? __x64_sys_futex+0x380/0x4f0 [ 563.632708][ C0] ? do_futex+0x1b90/0x1b90 [ 563.637240][ C0] exit_to_usermode_loop+0x1a2/0x200 [ 563.642540][ C0] do_syscall_64+0x4e0/0x5a0 [ 563.647134][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.653016][ C0] RIP: 0033:0x44a1e9 [ 563.656910][ C0] Code: Bad RIP value. [ 563.660982][ C0] RSP: 002b:00007f5a965a2d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 563.669405][ C0] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 000000000044a1e9 [ 563.677406][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 563.685393][ C0] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 563.693395][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 563.701974][ C0] R13: 0000000007da045e R14: 1018000000000112 R15: 00000000000000e7 [ 564.810561][ C0] Shutting down cpus with NMI [ 564.816093][ C0] Kernel Offset: disabled [ 564.820541][ C0] Rebooting in 86400 seconds..