Warning: Permanently added '10.128.15.234' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 482.385470][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 482.385478][ T101] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 482.405556][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 482.413331][ T1736] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 482.420877][ T1735] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 482.428923][ T1737] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 482.635150][ T83] usb 6-1: Using ep0 maxpacket: 32 [ 482.645362][ T17] usb 5-1: Using ep0 maxpacket: 32 [ 482.645508][ T101] usb 1-1: Using ep0 maxpacket: 32 [ 482.675260][ T1736] usb 2-1: Using ep0 maxpacket: 32 [ 482.680527][ T1737] usb 4-1: Using ep0 maxpacket: 32 [ 482.686108][ T1735] usb 3-1: Using ep0 maxpacket: 32 [ 482.765529][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.774795][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.783022][ T83] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.785255][ T101] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.792269][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.798595][ T1736] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.801901][ T101] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.809997][ T1736] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.827925][ T101] usb 1-1: config 0 descriptor?? [ 482.835142][ T1735] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.849311][ T1735] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.857684][ T1737] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 482.868018][ T1737] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.876333][ T83] usb 6-1: config 0 descriptor?? [ 482.882156][ T17] usb 5-1: config 0 descriptor?? [ 482.890539][ T1737] usb 4-1: config 0 descriptor?? [ 482.898685][ T1736] usb 2-1: config 0 descriptor?? [ 482.904285][ T1735] usb 3-1: config 0 descriptor?? [ 483.106831][ T101] hso 1-1:0.0: Failed to find BULK IN ep [ 483.136293][ T83] hso 6-1:0.0: Failed to find BULK IN ep [ 483.146806][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 483.156791][ T1737] hso 4-1:0.0: Failed to find BULK IN ep [ 483.166563][ T1736] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 483.174093][ T1736] CPU: 1 PID: 1736 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 483.182086][ T1736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 483.192259][ T1736] Workqueue: usb_hub_wq hub_event [ 483.197313][ T1736] Call Trace: [ 483.200685][ T1736] dump_stack+0xef/0x16e [ 483.204937][ T1736] sysfs_warn_dup.cold+0x1c/0x2d [ 483.209875][ T1736] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 483.215943][ T1736] sysfs_create_link+0x61/0xc0 [ 483.220934][ T1736] device_add+0x77d/0x1c20 [ 483.225380][ T1736] ? lockdep_init_map+0x1b0/0x5e0 [ 483.230437][ T1736] ? device_links_flush_sync_list+0x350/0x350 [ 483.236514][ T1736] ? __init_waitqueue_head+0x31/0x90 [ 483.241839][ T1736] tty_register_device_attr+0x341/0x6f0 [ 483.247589][ T1736] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 483.253220][ T1736] ? mark_held_locks+0x9f/0xe0 [ 483.258035][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.263839][ T1736] ? tty_port_register_device_attr+0xb9/0x110 [ 483.270116][ T1736] hso_serial_common_create+0x113/0x710 [ 483.275957][ T1736] ? kasan_unpoison_shadow+0x30/0x40 [ 483.281274][ T1736] hso_probe+0xc93/0x1b7b [ 483.285616][ T1736] usb_probe_interface+0x305/0x7a0 [ 483.290728][ T1736] ? usb_probe_device+0x100/0x100 [ 483.295998][ T1736] really_probe+0x281/0x6d0 [ 483.300517][ T1736] driver_probe_device+0x104/0x210 [ 483.305634][ T1736] __device_attach_driver+0x1c2/0x220 [ 483.313651][ T1736] ? driver_allows_async_probing+0x160/0x160 [ 483.319787][ T1736] bus_for_each_drv+0x162/0x1e0 [ 483.324733][ T1736] ? bus_rescan_devices+0x20/0x20 [ 483.329779][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.335769][ T1736] ? lockdep_hardirqs_on+0x382/0x580 [ 483.341197][ T1736] __device_attach+0x217/0x360 [ 483.346116][ T1736] ? device_bind_driver+0xd0/0xd0 executing program [ 483.351687][ T1736] bus_probe_device+0x1e4/0x290 [ 483.358447][ T1736] device_add+0x1480/0x1c20 [ 483.362945][ T1736] ? wait_for_completion+0x3c0/0x3c0 [ 483.369027][ T1736] ? device_links_flush_sync_list+0x350/0x350 [ 483.375142][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.380972][ T1736] usb_set_configuration+0xe67/0x1740 [ 483.386468][ T1736] generic_probe+0x9d/0xd5 [ 483.390900][ T1736] usb_probe_device+0x99/0x100 [ 483.395656][ T1736] ? usb_suspend+0x620/0x620 [ 483.400242][ T1736] really_probe+0x281/0x6d0 [ 483.404745][ T1736] driver_probe_device+0x104/0x210 [ 483.409856][ T1736] __device_attach_driver+0x1c2/0x220 [ 483.415235][ T1736] ? driver_allows_async_probing+0x160/0x160 [ 483.421356][ T1736] bus_for_each_drv+0x162/0x1e0 [ 483.426218][ T1736] ? bus_rescan_devices+0x20/0x20 [ 483.431250][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.437060][ T1736] ? lockdep_hardirqs_on+0x382/0x580 [ 483.442335][ T1736] __device_attach+0x217/0x360 [ 483.447184][ T1736] ? device_bind_driver+0xd0/0xd0 [ 483.452828][ T1736] bus_probe_device+0x1e4/0x290 [ 483.457701][ T1736] device_add+0x1480/0x1c20 [ 483.462222][ T1736] ? device_links_flush_sync_list+0x350/0x350 [ 483.468302][ T1736] usb_new_device.cold+0x6a4/0xe79 [ 483.473421][ T1736] hub_event+0x1e59/0x3860 [ 483.477855][ T1736] ? hub_port_debounce+0x260/0x260 [ 483.483007][ T1736] ? find_held_lock+0x2d/0x110 [ 483.487766][ T1736] ? mark_held_locks+0xe0/0xe0 [ 483.492893][ T1736] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 483.498447][ T1736] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 483.503733][ T1736] process_one_work+0x92b/0x1530 [ 483.508709][ T1736] ? pwq_dec_nr_in_flight+0x310/0x310 [ 483.514083][ T1736] worker_thread+0x96/0xe20 [ 483.518588][ T1736] ? process_one_work+0x1530/0x1530 [ 483.523787][ T1736] kthread+0x318/0x420 [ 483.527858][ T1736] ? kthread_create_on_node+0xf0/0xf0 [ 483.533291][ T1736] ret_from_fork+0x24/0x30 [ 483.538338][ T1735] hso 3-1:0.0: Failed to find BULK IN ep [ 483.550141][ T1737] usb 4-1: USB disconnect, device number 2 executing program executing program executing program executing program executing program [ 483.550313][ T101] usb 5-1: USB disconnect, device number 2 [ 483.556685][ T1735] usb 3-1: USB disconnect, device number 2 [ 483.562893][ T1741] usb 6-1: USB disconnect, device number 2 [ 483.572389][ T1736] hso 2-1:0.0: Failed to find BULK IN ep [ 483.580449][ T1736] kasan: CONFIG_KASAN_INLINE enabled [ 483.586060][ T1736] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 483.594145][ T1736] general protection fault: 0000 [#1] SMP KASAN [ 483.600900][ T1736] CPU: 1 PID: 1736 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 483.609145][ T1736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 483.619257][ T1736] Workqueue: usb_hub_wq hub_event [ 483.624309][ T1736] RIP: 0010:cdev_del+0x22/0x90 [ 483.629081][ T1736] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 d5 d3 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 483.648903][ T1736] RSP: 0018:ffff8881c74df268 EFLAGS: 00010207 [ 483.655659][ T1736] RAX: dffffc0000000000 RBX: ffff8881d7362d00 RCX: ffffffff8210e5ce [ 483.663630][ T1736] RDX: 000000000000000c RSI: ffffffff816a9e7d RDI: 0000000000000064 [ 483.671747][ T1736] RBP: 0000000000000000 R08: ffff8881c74c1880 R09: fffffbfff11ad6a6 [ 483.679838][ T1736] R10: fffffbfff11ad6a5 R11: ffffffff88d6b52f R12: 0000000000000000 [ 483.687811][ T1736] R13: ffff8881d56ea000 R14: ffff8881cf137000 R15: ffff8881cfb1b070 [ 483.695806][ T1736] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 483.704730][ T1736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 483.711323][ T1736] CR2: 00000000004c0548 CR3: 0000000006c21000 CR4: 00000000001406e0 [ 483.719304][ T1736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 483.727442][ T1736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 483.735397][ T1736] Call Trace: [ 483.738686][ T1736] tty_unregister_device+0x10d/0x1a0 [ 483.743959][ T1736] hso_probe.cold+0x6e/0x14c [ 483.748557][ T1736] usb_probe_interface+0x305/0x7a0 [ 483.753678][ T1736] ? usb_probe_device+0x100/0x100 [ 483.758708][ T1736] really_probe+0x281/0x6d0 [ 483.763309][ T1736] driver_probe_device+0x104/0x210 [ 483.768440][ T1736] __device_attach_driver+0x1c2/0x220 [ 483.773831][ T1736] ? driver_allows_async_probing+0x160/0x160 [ 483.779828][ T1736] bus_for_each_drv+0x162/0x1e0 [ 483.784675][ T1736] ? bus_rescan_devices+0x20/0x20 [ 483.789706][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.795789][ T1736] ? lockdep_hardirqs_on+0x382/0x580 [ 483.801601][ T1736] __device_attach+0x217/0x360 [ 483.806520][ T1736] ? device_bind_driver+0xd0/0xd0 [ 483.811569][ T1736] bus_probe_device+0x1e4/0x290 [ 483.816471][ T1736] device_add+0x1480/0x1c20 [ 483.821109][ T1736] ? wait_for_completion+0x3c0/0x3c0 [ 483.826394][ T1736] ? device_links_flush_sync_list+0x350/0x350 [ 483.832575][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.838460][ T1736] usb_set_configuration+0xe67/0x1740 [ 483.844011][ T1736] generic_probe+0x9d/0xd5 [ 483.848416][ T1736] usb_probe_device+0x99/0x100 [ 483.853518][ T1736] ? usb_suspend+0x620/0x620 [ 483.858223][ T1736] really_probe+0x281/0x6d0 [ 483.862712][ T1736] driver_probe_device+0x104/0x210 [ 483.867810][ T1736] __device_attach_driver+0x1c2/0x220 [ 483.873167][ T1736] ? driver_allows_async_probing+0x160/0x160 [ 483.879132][ T1736] bus_for_each_drv+0x162/0x1e0 [ 483.884317][ T1736] ? bus_rescan_devices+0x20/0x20 [ 483.889344][ T1736] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 483.895167][ T1736] ? lockdep_hardirqs_on+0x382/0x580 [ 483.900449][ T1736] __device_attach+0x217/0x360 [ 483.905217][ T1736] ? device_bind_driver+0xd0/0xd0 [ 483.910290][ T1736] bus_probe_device+0x1e4/0x290 [ 483.915699][ T1736] device_add+0x1480/0x1c20 [ 483.920195][ T1736] ? device_links_flush_sync_list+0x350/0x350 [ 483.926258][ T1736] usb_new_device.cold+0x6a4/0xe79 [ 483.931394][ T1736] hub_event+0x1e59/0x3860 [ 483.935801][ T1736] ? hub_port_debounce+0x260/0x260 [ 483.940921][ T1736] ? find_held_lock+0x2d/0x110 [ 483.945683][ T1736] ? mark_held_locks+0xe0/0xe0 [ 483.950438][ T1736] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 483.955972][ T1736] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 483.961263][ T1736] process_one_work+0x92b/0x1530 [ 483.966451][ T1736] ? pwq_dec_nr_in_flight+0x310/0x310 [ 483.971808][ T1736] worker_thread+0x96/0xe20 [ 483.976299][ T1736] ? process_one_work+0x1530/0x1530 [ 483.981484][ T1736] kthread+0x318/0x420 [ 483.985546][ T1736] ? kthread_create_on_node+0xf0/0xf0 [ 483.990952][ T1736] ret_from_fork+0x24/0x30 [ 483.995368][ T1736] Modules linked in: [ 483.999372][ T1736] ---[ end trace 872c091cf1ff3892 ]--- [ 484.004851][ T1736] RIP: 0010:cdev_del+0x22/0x90 [ 484.009678][ T1736] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 d5 d3 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 484.029603][ T1736] RSP: 0018:ffff8881c74df268 EFLAGS: 00010207 [ 484.035693][ T1736] RAX: dffffc0000000000 RBX: ffff8881d7362d00 RCX: ffffffff8210e5ce [ 484.044283][ T1736] RDX: 000000000000000c RSI: ffffffff816a9e7d RDI: 0000000000000064 [ 484.052559][ T1736] RBP: 0000000000000000 R08: ffff8881c74c1880 R09: fffffbfff11ad6a6 [ 484.060565][ T1736] R10: fffffbfff11ad6a5 R11: ffffffff88d6b52f R12: 0000000000000000 [ 484.068593][ T1736] R13: ffff8881d56ea000 R14: ffff8881cf137000 R15: ffff8881cfb1b070 [ 484.076593][ T1736] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 484.085742][ T1736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 484.092350][ T1736] CR2: 00000000004c0548 CR3: 0000000006c21000 CR4: 00000000001406e0 [ 484.100489][ T1736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 484.109885][ T1736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 484.118690][ T1736] Kernel panic - not syncing: Fatal exception [ 484.125918][ T1736] Kernel Offset: disabled [ 484.130264][ T1736] Rebooting in 86400 seconds..