[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 78.342159][ T3796] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 78.352062][ T2511] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 78.362457][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 78.363398][ T2510] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 78.370064][ T2509] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 78.377523][ T2505] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 78.592024][ T2511] usb 5-1: Using ep0 maxpacket: 8 [ 78.602082][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 78.602522][ T3796] usb 1-1: Using ep0 maxpacket: 8 [ 78.632341][ T2505] usb 6-1: Using ep0 maxpacket: 8 [ 78.633250][ T2509] usb 3-1: Using ep0 maxpacket: 8 [ 78.652654][ T2510] usb 4-1: Using ep0 maxpacket: 8 [ 78.712234][ T2511] usb 5-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.720530][ T2511] usb 5-1: config 0 has no interface number 0 [ 78.726991][ T5] usb 2-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.735306][ T2511] usb 5-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.742375][ T3796] usb 1-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.745117][ T5] usb 2-1: config 0 has no interface number 0 [ 78.753718][ T2505] usb 6-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.759191][ T2511] usb 5-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 78.772745][ T3796] usb 1-1: config 0 has no interface number 0 [ 78.777210][ T2509] usb 3-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.785774][ T2505] usb 6-1: config 0 has no interface number 0 [ 78.791579][ T5] usb 2-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.799773][ T3796] usb 1-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.807422][ T2509] usb 3-1: config 0 has no interface number 0 [ 78.807459][ T2509] usb 3-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.807476][ T2509] usb 3-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 78.807509][ T2509] usb 3-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 78.807523][ T2509] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 78.810169][ T2509] usb 3-1: config 0 descriptor?? [ 78.821999][ T2510] usb 4-1: config 0 has an invalid interface number: 2 but max is 0 [ 78.828139][ T5] usb 2-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 78.836433][ T2505] usb 6-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.843716][ T2511] usb 5-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 78.865017][ T2510] usb 4-1: config 0 has no interface number 0 [ 78.866918][ T5] usb 2-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 78.891872][ T3796] usb 1-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 78.895368][ T6831] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 78.902850][ T2510] usb 4-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 78.908874][ T2511] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 78.922358][ T2505] usb 6-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 78.927940][ T6831] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 78.946788][ T3796] usb 1-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 78.952318][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 78.965066][ T2505] usb 6-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 78.974911][ T2511] usb 5-1: config 0 descriptor?? [ 78.987727][ T2510] usb 4-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 79.012650][ T3796] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 79.023315][ T2505] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 79.028425][ T5] usb 2-1: config 0 descriptor?? [ 79.031829][ T3796] usb 1-1: config 0 descriptor?? [ 79.069037][ T2505] usb 6-1: config 0 descriptor?? [ 79.074701][ T6821] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.081665][ T6821] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.082293][ T6826] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.093391][ T2510] usb 4-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 79.112368][ T6828] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.119565][ T6828] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.129049][ T2510] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 79.138357][ T6829] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.158543][ T6826] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.166486][ T6829] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.206001][ T2510] usb 4-1: config 0 descriptor?? executing program [ 79.242252][ T6827] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.278527][ T6827] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.294261][ T5] usb 3-1: USB disconnect, device number 2 executing program executing program [ 79.371142][ T2505] usb 1-1: USB disconnect, device number 2 executing program [ 79.414134][ T3796] usb 2-1: USB disconnect, device number 2 executing program executing program [ 79.509554][ T2510] usb 6-1: USB disconnect, device number 2 [ 79.576465][ T2511] usb 4-1: USB disconnect, device number 2 [ 79.690065][ T2507] usb 5-1: USB disconnect, device number 2 [ 79.962089][ T2505] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 79.962138][ T5] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 79.969702][ T3796] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 80.111949][ T2510] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 80.133400][ T2511] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 80.191941][ T2507] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 80.212189][ T3796] usb 2-1: Using ep0 maxpacket: 8 [ 80.217352][ T2505] usb 1-1: Using ep0 maxpacket: 8 [ 80.291966][ T5] usb 3-1: Using ep0 maxpacket: 8 [ 80.372081][ T2511] usb 4-1: Using ep0 maxpacket: 8 [ 80.372154][ T3796] usb 2-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.385347][ T2510] usb 6-1: Using ep0 maxpacket: 8 [ 80.390527][ T2505] usb 1-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.398709][ T2505] usb 1-1: config 0 has no interface number 0 [ 80.404925][ T3796] usb 2-1: config 0 has no interface number 0 [ 80.411097][ T3796] usb 2-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.412292][ T5] usb 3-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.421035][ T2505] usb 1-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.432470][ T5] usb 3-1: config 0 has no interface number 0 [ 80.439052][ T3796] usb 2-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.447185][ T5] usb 3-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.454749][ T2507] usb 5-1: Using ep0 maxpacket: 8 [ 80.454854][ T2505] usb 1-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.454881][ T2505] usb 1-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.454896][ T2505] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.468893][ T5] usb 3-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.475731][ T2505] usb 1-1: config 0 descriptor?? [ 80.480759][ T5] usb 3-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.493572][ T3796] usb 2-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.497985][ T5] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.532256][ T2510] usb 6-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.539424][ T2511] usb 4-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.547461][ T6913] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.555869][ T2511] usb 4-1: config 0 has no interface number 0 [ 80.564775][ T3796] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.568681][ T2511] usb 4-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.578647][ T6913] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.586785][ T2511] usb 4-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.594579][ T2510] usb 6-1: config 0 has no interface number 0 [ 80.603135][ T5] usb 3-1: config 0 descriptor?? [ 80.614342][ T2511] usb 4-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.622358][ T2507] usb 5-1: config 0 has an invalid interface number: 2 but max is 0 [ 80.623681][ T2511] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.631356][ T2507] usb 5-1: config 0 has no interface number 0 [ 80.631399][ T2507] usb 5-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.631418][ T2507] usb 5-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.631445][ T2507] usb 5-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.640005][ T6891] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.653623][ T3796] usb 2-1: config 0 descriptor?? [ 80.669057][ T6891] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.682569][ T2510] usb 6-1: config 0 interface 2 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 8 [ 80.686672][ T2511] usb 4-1: config 0 descriptor?? [ 80.718441][ T2510] usb 6-1: config 0 interface 2 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 8 [ 80.733114][ T2507] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.752554][ T6958] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.759725][ T6958] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.772538][ T6921] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.779432][ T6921] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.790180][ T2510] usb 6-1: New USB device found, idVendor=086a, idProduct=0003, bcdDevice=67.c5 [ 80.811030][ T2507] usb 5-1: config 0 descriptor?? [ 80.841632][ T2510] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 80.859036][ T6935] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.872506][ T6935] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program executing program [ 80.906033][ T2510] usb 6-1: config 0 descriptor?? [ 80.922292][ T6934] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.929225][ T6934] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 80.934247][ T5] usb 1-1: USB disconnect, device number 3 [ 80.992183][ T2511] usb 3-1: USB disconnect, device number 3 [ 81.074079][ T6958] ------------[ cut here ]------------ [ 81.079758][ T6958] URB 000000001c4a2824 submitted while active [ 81.115396][ T6958] WARNING: CPU: 1 PID: 6958 at drivers/usb/core/urb.c:363 usb_submit_urb+0x10c1/0x13b0 [ 81.125074][ T6958] Kernel panic - not syncing: panic_on_warn set ... [ 81.132541][ T6958] CPU: 1 PID: 6958 Comm: syz-executor100 Not tainted 5.7.0-syzkaller #0 [ 81.140895][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.150955][ T6958] Call Trace: [ 81.154259][ T6958] dump_stack+0x188/0x20d [ 81.158605][ T6958] ? usb_submit_urb+0x1000/0x13b0 [ 81.163639][ T6958] panic+0x2e3/0x75c [ 81.167544][ T6958] ? add_taint.cold+0x16/0x16 [ 81.172244][ T6958] ? __probe_kernel_read+0x188/0x1d0 [ 81.177540][ T6958] ? __warn.cold+0x14/0x35 [ 81.181967][ T6958] ? __warn+0xd5/0x1c8 [ 81.186047][ T6958] ? usb_submit_urb+0x10c1/0x13b0 [ 81.191077][ T6958] __warn.cold+0x2f/0x35 [ 81.195354][ T6958] ? irq_work_queue+0xc3/0x100 [ 81.200649][ T6958] ? usb_submit_urb+0x10c1/0x13b0 [ 81.205802][ T6958] report_bug+0x27b/0x2f0 [ 81.210167][ T6958] do_error_trap+0x12b/0x220 [ 81.214770][ T6958] ? usb_submit_urb+0x10c1/0x13b0 [ 81.219841][ T6958] do_invalid_op+0x32/0x40 [ 81.224270][ T6958] ? usb_submit_urb+0x10c1/0x13b0 [ 81.229308][ T6958] invalid_op+0x23/0x30 [ 81.233484][ T6958] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 81.239133][ T6958] Code: 89 de e8 c2 16 66 fc 84 db 0f 85 42 f6 ff ff e8 85 15 66 fc 4c 89 fe 48 c7 c7 40 b3 ab 88 c6 05 98 27 78 05 01 e8 57 29 37 fc <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 81.259123][ T6958] RSP: 0018:ffffc90001d872c0 EFLAGS: 00010286 [ 81.265744][ T6958] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.273728][ T6958] RDX: 0000000000000000 RSI: ffffffff815cd4c7 RDI: fffff520003b0e4a [ 81.281713][ T6958] RBP: dffffc0000000000 R08: ffff888095306380 R09: ffffed1015ce66a9 [ 81.289693][ T6958] R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: 0000000000000cc0 [ 81.300363][ T6958] R13: 00000000fffffff0 R14: ffff8880a34e6c00 R15: ffff88809dd32700 [ 81.308362][ T6958] ? vprintk_func+0x97/0x1a6 [ 81.312972][ T6958] ? down_read+0x110/0x420 [ 81.317405][ T6958] snd_usbmidi_submit_urb+0x19/0x60 [ 81.322620][ T6958] snd_usbmidi_input_start.part.0+0xbe/0x1c0 [ 81.328622][ T6958] substream_open.isra.0+0x505/0x830 [ 81.333928][ T6958] open_substream+0x42e/0x880 [ 81.338645][ T6958] rawmidi_open_priv+0x2e8/0x6e0 [ 81.343607][ T6958] snd_rawmidi_kernel_open+0x1b5/0x270 [ 81.349088][ T6958] midisynth_subscribe+0xf2/0x330 [ 81.354135][ T6958] ? midisynth_use+0x250/0x250 [ 81.358914][ T6958] ? down_write+0xdb/0x150 [ 81.363341][ T6958] ? __down_timeout+0x2d0/0x2d0 [ 81.368197][ T6958] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.374216][ T6958] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 81.380042][ T6958] check_and_subscribe_port+0x5b5/0x800 [ 81.385619][ T6958] ? midisynth_use+0x250/0x250 [ 81.390396][ T6958] snd_seq_port_connect+0x2e4/0x510 [ 81.395608][ T6958] snd_seq_ioctl_subscribe_port+0x1df/0x310 [ 81.401618][ T6958] ? lockdep_hardirqs_on+0x463/0x620 [ 81.406930][ T6958] snd_seq_kernel_client_ctl+0xeb/0x130 [ 81.412492][ T6958] snd_seq_oss_midi_open+0x3cb/0x640 [ 81.417791][ T6958] ? snd_seq_oss_midi_setup+0x50/0x50 [ 81.423181][ T6958] ? mark_held_locks+0x9f/0xe0 [ 81.428060][ T6958] ? get_mdev+0x75/0x90 [ 81.432327][ T6958] ? get_mididev.isra.0+0x76/0xa0 [ 81.437348][ T6958] snd_seq_oss_synth_setup_midi+0x123/0x520 [ 81.441881][ T5] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 81.443511][ T6958] snd_seq_oss_open+0x7fa/0x980 [ 81.443548][ T6958] odev_open+0x6c/0x90 [ 81.443562][ T6958] ? odev_release+0x70/0x70 [ 81.443576][ T6958] soundcore_open+0x446/0x600 [ 81.443595][ T6958] ? sound_devnode+0xf0/0xf0 [ 81.473716][ T6958] chrdev_open+0x219/0x5c0 [ 81.478150][ T6958] ? cdev_put.part.0+0x50/0x50 [ 81.482955][ T6958] ? security_file_open+0x84/0x410 [ 81.488084][ T6958] do_dentry_open+0x546/0x1340 [ 81.492942][ T6958] ? cdev_put.part.0+0x50/0x50 [ 81.497704][ T6958] ? security_inode_permission+0xc4/0xf0 [ 81.503324][ T6958] ? chown_common+0x550/0x550 [ 81.508014][ T6958] ? inode_permission+0xab/0x500 [ 81.512970][ T6958] path_openat+0x1e59/0x27d0 [ 81.519650][ T6958] ? path_lookupat.isra.0+0x530/0x530 [ 81.525007][ T6958] ? lock_acquire+0x1f2/0x8f0 [ 81.529676][ T6958] do_filp_open+0x192/0x260 [ 81.534213][ T6958] ? may_open_dev+0xf0/0xf0 [ 81.538705][ T6958] ? do_raw_spin_lock+0x129/0x2e0 [ 81.543734][ T6958] ? _raw_spin_unlock+0x24/0x40 [ 81.548567][ T6958] ? __alloc_fd+0x46d/0x600 [ 81.553075][ T6958] do_sys_openat2+0x585/0x7d0 [ 81.557746][ T6958] ? file_open_root+0x400/0x400 [ 81.562620][ T6958] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.568194][ T6958] do_sys_open+0xc3/0x140 [ 81.572521][ T6958] ? filp_open+0x70/0x70 [ 81.576748][ T6958] ? switch_fpu_return+0x1db/0x4b0 [ 81.581863][ T6958] ? raw_open+0x4d0/0x4d0 [ 81.586209][ T6958] ? trace_hardirqs_off_caller+0x55/0x230 [ 81.591918][ T6958] do_syscall_64+0xf6/0x7d0 [ 81.596406][ T6958] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 81.602482][ T6958] RIP: 0033:0x445719 [ 81.606366][ T6958] Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.625955][ T6958] RSP: 002b:00007ffcdcb4df18 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.634554][ T6958] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445719 [ 81.642538][ T6958] RDX: 0000000000000000 RSI: 0000000020000280 RDI: ffffffffffffff9c [ 81.650507][ T6958] RBP: 0000000000013100 R08: 0000000000000000 R09: 00000000004002e0 [ 81.658485][ T6958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402890 [ 81.666461][ T6958] R13: 0000000000402920 R14: 0000000000000000 R15: 0000000000000000 [ 81.676105][ T6958] Kernel Offset: disabled [ 81.680491][ T6958] Rebooting in 86400 seconds..