[ 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 '10.128.0.126' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.788487][ T2632] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.028382][ T2632] usb 1-1: Using ep0 maxpacket: 16 [ 55.168557][ T2632] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.179715][ T2632] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.192576][ T2632] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 55.201685][ T2632] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.212851][ T2632] usb 1-1: config 0 descriptor?? [ 55.692357][ T2632] HID 045e:07da: Invalid code 65791 type 1 [ 55.704130][ T2632] ------------[ cut here ]------------ [ 55.709741][ T2632] init_uevent_argv: buffer size too small [ 55.715709][ T2632] WARNING: CPU: 1 PID: 2632 at lib/kobject_uevent.c:259 kobject_uevent_env+0x1640/0x1680 [ 55.725675][ T2632] Modules linked in: [ 55.729695][ T2632] CPU: 1 PID: 2632 Comm: kworker/1:2 Not tainted 5.10.0-syzkaller #0 [ 55.737778][ T2632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.747956][ T2632] Workqueue: usb_hub_wq hub_event [ 55.753095][ T2632] RIP: 0010:kobject_uevent_env+0x1640/0x1680 [ 55.759122][ T2632] Code: 87 e8 c4 ab fe ff e9 cf f8 ff ff 48 8b 3c 24 e8 16 08 66 ff e9 a9 f8 ff ff e8 bc 95 39 ff 48 c7 c7 a0 5e 41 86 e8 7b 90 82 03 <0f> 0b 41 bf f4 ff ff ff e9 51 ec ff ff 4c 89 ff e8 6b 07 66 ff e9 [ 55.778933][ T2632] RSP: 0018:ffffc90000206858 EFLAGS: 00010282 [ 55.785020][ T2632] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 55.793083][ T2632] RDX: ffff88810df24d40 RSI: ffffffff8129fe33 RDI: fffff52000040cfd [ 55.801140][ T2632] RBP: 00000000000007fb R08: 0000000000000001 R09: 0000000000000000 [ 55.809195][ T2632] R10: ffffffff814a76bf R11: 0000000000000000 R12: 0000000000000005 [ 55.817177][ T2632] R13: 00000000000007fb R14: 0000000000000005 R15: 0000000000000000 [ 55.825206][ T2632] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 55.834226][ T2632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program [ 55.840875][ T2632] CR2: 00000000006d0090 CR3: 0000000100c6d000 CR4: 00000000001506e0 [ 55.848930][ T2632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.856925][ T2632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.865031][ T2632] Call Trace: [ 55.868400][ T2632] device_add+0xb61/0x1d90 [ 55.872832][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 55.879144][ T2632] ? rcu_read_lock_sched_held+0x3a/0x70 [ 55.884701][ T2632] ? kasan_unpoison_shadow+0x33/0x40 [ 55.890066][ T2632] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 55.895885][ T2632] input_register_device+0x75f/0xd00 [ 55.901270][ T2632] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.907530][ T2632] hidinput_connect+0x4ffe/0x9ce0 [ 55.912656][ T2632] ? hidinput_setkeycode+0x6f0/0x6f0 [ 55.917962][ T2632] ? __mutex_unlock_slowpath+0xe2/0x610 [ 55.923771][ T2632] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 55.930155][ T2632] ? hid_match_id+0x27a/0x300 [ 55.934852][ T2632] hid_connect+0x958/0xbc0 [ 55.939340][ T2632] ? hid_match_id+0x300/0x300 [ 55.944047][ T2632] hid_hw_start+0xa2/0x130 [ 55.948541][ T2632] ms_probe+0x159/0x4b0 [ 55.952706][ T2632] ? ms_remove+0x90/0x90 [ 55.956941][ T2632] hid_device_probe+0x2e6/0x410 [ 55.961882][ T2632] ? hid_match_device+0x390/0x390 [ 55.966940][ T2632] really_probe+0x2b1/0xe40 [ 55.971499][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 55.977749][ T2632] driver_probe_device+0x285/0x3f0 [ 55.982928][ T2632] __device_attach_driver+0x216/0x2d0 [ 55.988396][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 55.994374][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 55.999275][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.004314][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.010389][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.015429][ T2632] __device_attach+0x228/0x4c0 [ 56.020264][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.026349][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.031693][ T2632] bus_probe_device+0x1e4/0x290 [ 56.036559][ T2632] device_add+0xbc4/0x1d90 [ 56.041045][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.047295][ T2632] ? __debugfs_create_file+0x33d/0x4c0 [ 56.052840][ T2632] hid_add_device+0x344/0x9d0 [ 56.057535][ T2632] ? modalias_show+0x150/0x150 [ 56.062361][ T2632] ? lockdep_init_map_waits+0x26a/0x700 [ 56.068028][ T2632] usbhid_probe+0xb85/0x1070 [ 56.072716][ T2632] usb_probe_interface+0x315/0x7f0 [ 56.077844][ T2632] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 56.083271][ T2632] really_probe+0x2b1/0xe40 [ 56.087787][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.094102][ T2632] driver_probe_device+0x285/0x3f0 [ 56.099287][ T2632] __device_attach_driver+0x216/0x2d0 [ 56.104786][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 56.110840][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 56.115701][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.120779][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.126773][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.131853][ T2632] __device_attach+0x228/0x4c0 [ 56.136649][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.142788][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.148160][ T2632] bus_probe_device+0x1e4/0x290 [ 56.153007][ T2632] device_add+0xbc4/0x1d90 [ 56.157413][ T2632] ? wait_for_completion_io+0x270/0x270 [ 56.163039][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.169404][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.175377][ T2632] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 56.181229][ T2632] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.187498][ T2632] usb_set_configuration+0x113c/0x1910 [ 56.193009][ T2632] usb_generic_driver_probe+0xba/0x100 [ 56.198560][ T2632] usb_probe_device+0xd9/0x2c0 [ 56.203320][ T2632] ? usb_driver_release_interface+0x180/0x180 [ 56.209429][ T2632] really_probe+0x2b1/0xe40 [ 56.213945][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.220250][ T2632] driver_probe_device+0x285/0x3f0 [ 56.225374][ T2632] __device_attach_driver+0x216/0x2d0 [ 56.230831][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 56.236819][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 56.241722][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.246765][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.252817][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.257859][ T2632] __device_attach+0x228/0x4c0 [ 56.262721][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.268873][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.274169][ T2632] bus_probe_device+0x1e4/0x290 [ 56.279073][ T2632] device_add+0xbc4/0x1d90 [ 56.283520][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.289829][ T2632] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.296081][ T2632] usb_new_device.cold+0x725/0x1057 [ 56.301333][ T2632] ? hub_disconnect+0x510/0x510 [ 56.306192][ T2632] ? rwlock_bug.part.0+0x90/0x90 [ 56.311182][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.317172][ T2632] hub_event+0x2348/0x42d0 [ 56.321642][ T2632] ? hub_port_debounce+0x3b0/0x3b0 [ 56.326780][ T2632] ? __lock_acquire+0x641/0x54a0 [ 56.331787][ T2632] ? worker_detach_from_pool+0x90/0x310 [ 56.337343][ T2632] ? lock_release+0x6e0/0x6e0 [ 56.342134][ T2632] ? lock_downgrade+0x6d0/0x6d0 [ 56.346991][ T2632] ? do_raw_spin_lock+0x120/0x2b0 [ 56.352105][ T2632] process_one_work+0x98d/0x15c0 [ 56.357058][ T2632] ? pwq_dec_nr_in_flight+0x320/0x320 [ 56.362501][ T2632] ? rwlock_bug.part.0+0x90/0x90 [ 56.367460][ T2632] worker_thread+0x64c/0x1120 [ 56.372207][ T2632] ? __kthread_parkme+0x118/0x1d0 [ 56.377256][ T2632] ? process_one_work+0x15c0/0x15c0 [ 56.382538][ T2632] kthread+0x38c/0x460 [ 56.386613][ T2632] ? _raw_spin_unlock_irq+0x1f/0x30 [ 56.391863][ T2632] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 56.397763][ T2632] ret_from_fork+0x1f/0x30 [ 56.402238][ T2632] Kernel panic - not syncing: panic_on_warn set ... [ 56.408843][ T2632] CPU: 1 PID: 2632 Comm: kworker/1:2 Not tainted 5.10.0-syzkaller #0 [ 56.416903][ T2632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.426953][ T2632] Workqueue: usb_hub_wq hub_event [ 56.431961][ T2632] Call Trace: [ 56.435255][ T2632] dump_stack+0x107/0x163 [ 56.439566][ T2632] panic+0x343/0x77f [ 56.443444][ T2632] ? __warn_printk+0xf3/0xf3 [ 56.448034][ T2632] ? __warn.cold+0x1a/0x44 [ 56.452456][ T2632] ? kobject_uevent_env+0x1640/0x1680 [ 56.457811][ T2632] __warn.cold+0x35/0x44 [ 56.462037][ T2632] ? kobject_uevent_env+0x1640/0x1680 [ 56.467391][ T2632] report_bug+0x1bd/0x210 [ 56.471719][ T2632] handle_bug+0x3c/0x60 [ 56.475858][ T2632] exc_invalid_op+0x14/0x40 [ 56.480359][ T2632] asm_exc_invalid_op+0x12/0x20 [ 56.485194][ T2632] RIP: 0010:kobject_uevent_env+0x1640/0x1680 [ 56.491156][ T2632] Code: 87 e8 c4 ab fe ff e9 cf f8 ff ff 48 8b 3c 24 e8 16 08 66 ff e9 a9 f8 ff ff e8 bc 95 39 ff 48 c7 c7 a0 5e 41 86 e8 7b 90 82 03 <0f> 0b 41 bf f4 ff ff ff e9 51 ec ff ff 4c 89 ff e8 6b 07 66 ff e9 [ 56.510756][ T2632] RSP: 0018:ffffc90000206858 EFLAGS: 00010282 [ 56.516811][ T2632] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 56.524771][ T2632] RDX: ffff88810df24d40 RSI: ffffffff8129fe33 RDI: fffff52000040cfd [ 56.532729][ T2632] RBP: 00000000000007fb R08: 0000000000000001 R09: 0000000000000000 [ 56.540685][ T2632] R10: ffffffff814a76bf R11: 0000000000000000 R12: 0000000000000005 [ 56.548641][ T2632] R13: 00000000000007fb R14: 0000000000000005 R15: 0000000000000000 [ 56.556624][ T2632] ? irq_work_queue+0x1f/0x50 [ 56.561302][ T2632] ? vprintk_func+0x93/0x140 [ 56.565886][ T2632] ? kobject_uevent_env+0x1640/0x1680 [ 56.571246][ T2632] device_add+0xb61/0x1d90 [ 56.575649][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.581877][ T2632] ? rcu_read_lock_sched_held+0x3a/0x70 [ 56.587410][ T2632] ? kasan_unpoison_shadow+0x33/0x40 [ 56.592686][ T2632] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 56.598477][ T2632] input_register_device+0x75f/0xd00 [ 56.603747][ T2632] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 56.609972][ T2632] hidinput_connect+0x4ffe/0x9ce0 [ 56.614981][ T2632] ? hidinput_setkeycode+0x6f0/0x6f0 [ 56.620250][ T2632] ? __mutex_unlock_slowpath+0xe2/0x610 [ 56.626231][ T2632] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 56.632458][ T2632] ? hid_match_id+0x27a/0x300 [ 56.637121][ T2632] hid_connect+0x958/0xbc0 [ 56.641526][ T2632] ? hid_match_id+0x300/0x300 [ 56.646185][ T2632] hid_hw_start+0xa2/0x130 [ 56.650592][ T2632] ms_probe+0x159/0x4b0 [ 56.654750][ T2632] ? ms_remove+0x90/0x90 [ 56.658975][ T2632] hid_device_probe+0x2e6/0x410 [ 56.663809][ T2632] ? hid_match_device+0x390/0x390 [ 56.668816][ T2632] really_probe+0x2b1/0xe40 [ 56.673313][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.679544][ T2632] driver_probe_device+0x285/0x3f0 [ 56.684660][ T2632] __device_attach_driver+0x216/0x2d0 [ 56.690037][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 56.695997][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 56.700835][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.705841][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.711816][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.716835][ T2632] __device_attach+0x228/0x4c0 [ 56.721590][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.727713][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.732990][ T2632] bus_probe_device+0x1e4/0x290 [ 56.737838][ T2632] device_add+0xbc4/0x1d90 [ 56.742257][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.748484][ T2632] ? __debugfs_create_file+0x33d/0x4c0 [ 56.753947][ T2632] hid_add_device+0x344/0x9d0 [ 56.758610][ T2632] ? modalias_show+0x150/0x150 [ 56.763360][ T2632] ? lockdep_init_map_waits+0x26a/0x700 [ 56.768886][ T2632] usbhid_probe+0xb85/0x1070 [ 56.773465][ T2632] usb_probe_interface+0x315/0x7f0 [ 56.778560][ T2632] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 56.783915][ T2632] really_probe+0x2b1/0xe40 [ 56.788403][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.794628][ T2632] driver_probe_device+0x285/0x3f0 [ 56.799730][ T2632] __device_attach_driver+0x216/0x2d0 [ 56.805095][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 56.811194][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 56.816039][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.821045][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.827013][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.832040][ T2632] __device_attach+0x228/0x4c0 [ 56.836810][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.842878][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.848147][ T2632] bus_probe_device+0x1e4/0x290 [ 56.852981][ T2632] device_add+0xbc4/0x1d90 [ 56.857390][ T2632] ? wait_for_completion_io+0x270/0x270 [ 56.862919][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.869140][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.875108][ T2632] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 56.880897][ T2632] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.887319][ T2632] usb_set_configuration+0x113c/0x1910 [ 56.892779][ T2632] usb_generic_driver_probe+0xba/0x100 [ 56.898223][ T2632] usb_probe_device+0xd9/0x2c0 [ 56.902972][ T2632] ? usb_driver_release_interface+0x180/0x180 [ 56.909030][ T2632] really_probe+0x2b1/0xe40 [ 56.913517][ T2632] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.919762][ T2632] driver_probe_device+0x285/0x3f0 [ 56.924858][ T2632] __device_attach_driver+0x216/0x2d0 [ 56.930222][ T2632] ? driver_allows_async_probing+0x170/0x170 [ 56.936460][ T2632] bus_for_each_drv+0x15f/0x1e0 [ 56.941468][ T2632] ? bus_for_each_dev+0x1d0/0x1d0 [ 56.946476][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 56.952438][ T2632] ? trace_hardirqs_on+0x5b/0x1a0 [ 56.957448][ T2632] __device_attach+0x228/0x4c0 [ 56.962198][ T2632] ? __driver_attach_async_helper+0x380/0x380 [ 56.968247][ T2632] ? kobject_uevent_env+0x2bb/0x1680 [ 56.973532][ T2632] bus_probe_device+0x1e4/0x290 [ 56.978373][ T2632] device_add+0xbc4/0x1d90 [ 56.982774][ T2632] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.989003][ T2632] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.995227][ T2632] usb_new_device.cold+0x725/0x1057 [ 57.000410][ T2632] ? hub_disconnect+0x510/0x510 [ 57.005244][ T2632] ? rwlock_bug.part.0+0x90/0x90 [ 57.010251][ T2632] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 57.016212][ T2632] hub_event+0x2348/0x42d0 [ 57.020611][ T2632] ? hub_port_debounce+0x3b0/0x3b0 [ 57.025707][ T2632] ? __lock_acquire+0x641/0x54a0 [ 57.030634][ T2632] ? worker_detach_from_pool+0x90/0x310 [ 57.036176][ T2632] ? lock_release+0x6e0/0x6e0 [ 57.040924][ T2632] ? lock_downgrade+0x6d0/0x6d0 [ 57.045777][ T2632] ? do_raw_spin_lock+0x120/0x2b0 [ 57.050807][ T2632] process_one_work+0x98d/0x15c0 [ 57.055732][ T2632] ? pwq_dec_nr_in_flight+0x320/0x320 [ 57.061114][ T2632] ? rwlock_bug.part.0+0x90/0x90 [ 57.066034][ T2632] worker_thread+0x64c/0x1120 [ 57.070703][ T2632] ? __kthread_parkme+0x118/0x1d0 [ 57.075726][ T2632] ? process_one_work+0x15c0/0x15c0 [ 57.080907][ T2632] kthread+0x38c/0x460 [ 57.084975][ T2632] ? _raw_spin_unlock_irq+0x1f/0x30 [ 57.090179][ T2632] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 57.096059][ T2632] ret_from_fork+0x1f/0x30 [ 57.101252][ T2632] Kernel Offset: disabled [ 57.105690][ T2632] Rebooting in 86400 seconds..