[info] Using makefile-style concurrent boot in runlevel 2. [ 14.928010][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 28.420598][ T5] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 28.420607][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.420897][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 28.443262][ T95] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 28.450767][ T1794] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 28.458273][ T1793] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 28.510754][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 28.530836][ T5] usb 6-1: Using ep0 maxpacket: 32 [ 28.540613][ T1794] usb 5-1: Using ep0 maxpacket: 32 [ 28.550791][ T95] usb 4-1: Using ep0 maxpacket: 32 [ 28.556018][ T1793] usb 2-1: Using ep0 maxpacket: 32 [ 28.561316][ T12] usb 3-1: Using ep0 maxpacket: 32 [ 28.670722][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 28.690732][ T5] usb 6-1: unable to get BOS descriptor or descriptor too short [ 28.700658][ T1794] usb 5-1: unable to get BOS descriptor or descriptor too short [ 28.710598][ T95] usb 4-1: unable to get BOS descriptor or descriptor too short [ 28.720652][ T1793] usb 2-1: unable to get BOS descriptor or descriptor too short [ 28.728331][ T12] usb 3-1: unable to get BOS descriptor or descriptor too short [ 28.760609][ T94] usb 1-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.769063][ T94] usb 1-1: config 6 has no interface number 0 [ 28.770698][ T5] usb 6-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.775518][ T94] usb 1-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 28.783365][ T5] usb 6-1: config 6 has no interface number 0 [ 28.794517][ T94] usb 1-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 28.794538][ T94] usb 1-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 28.794552][ T94] usb 1-1: config 6 interface 231 has no altsetting 0 [ 28.828476][ T1794] usb 5-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.836639][ T1794] usb 5-1: config 6 has no interface number 0 [ 28.842750][ T95] usb 4-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.850960][ T95] usb 4-1: config 6 has no interface number 0 [ 28.857117][ T1794] usb 5-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 28.868344][ T1794] usb 5-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 28.878433][ T1794] usb 5-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 28.889623][ T1794] usb 5-1: config 6 interface 231 has no altsetting 0 [ 28.896553][ T1793] usb 2-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.904733][ T1793] usb 2-1: config 6 has no interface number 0 [ 28.910849][ T12] usb 3-1: config 6 has an invalid interface number: 231 but max is 0 [ 28.918977][ T12] usb 3-1: config 6 has no interface number 0 [ 28.925086][ T95] usb 4-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 28.936301][ T95] usb 4-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 28.946308][ T95] usb 4-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 28.957441][ T95] usb 4-1: config 6 interface 231 has no altsetting 0 [ 28.964261][ T12] usb 3-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 28.975488][ T12] usb 3-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 28.985542][ T12] usb 3-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 28.996675][ T12] usb 3-1: config 6 interface 231 has no altsetting 0 [ 29.003503][ T1793] usb 2-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 29.014730][ T1793] usb 2-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 29.024752][ T1793] usb 2-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 29.035876][ T1793] usb 2-1: config 6 interface 231 has no altsetting 0 [ 29.040579][ T94] usb 1-1: string descriptor 0 read error: -22 [ 29.042770][ T5] usb 6-1: config 6 interface 231 altsetting 248 endpoint 0xA has an invalid bInterval 35, changing to 7 [ 29.049019][ T94] usb 1-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.060048][ T5] usb 6-1: config 6 interface 231 altsetting 248 endpoint 0xA has invalid wMaxPacketSize 0 [ 29.060068][ T5] usb 6-1: config 6 interface 231 altsetting 248 endpoint 0x8C has invalid maxpacket 512, setting to 64 [ 29.060081][ T5] usb 6-1: config 6 interface 231 has no altsetting 0 [ 29.096965][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.153465][ T94] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.160218][ T94] usb 1-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.270751][ T94] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 29.277432][ T94] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 29.280622][ T1794] usb 5-1: string descriptor 0 read error: -22 [ 29.285073][ T94] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 29.291326][ T5] usb 6-1: string descriptor 0 read error: -22 [ 29.304983][ T1793] usb 2-1: string descriptor 0 read error: -22 [ 29.311234][ T95] usb 4-1: string descriptor 0 read error: -22 executing program [ 29.317418][ T95] usb 4-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.320307][ T94] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 29.326486][ T95] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.326536][ T12] usb 3-1: string descriptor 0 read error: -22 [ 29.335930][ T94] usb 1-1: r8712u: Firmware request failed [ 29.343485][ T1793] usb 2-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.343501][ T1793] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.344748][ T1794] usb 5-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.354691][ T94] usb 1-1: USB disconnect, device number 2 [ 29.355552][ T1794] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.356640][ T5] usb 6-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.404551][ T5] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.414824][ T1793] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.421501][ T1793] usb 2-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.428508][ T12] usb 3-1: New USB device found, idVendor=07aa, idProduct=0047, bcdDevice= 0.c0 [ 29.437578][ T12] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 29.482193][ T95] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.488819][ T95] usb 4-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.498013][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.504657][ T12] usb 3-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.513405][ T1794] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.520014][ T1794] usb 5-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.530223][ T5] r8712u: register rtl8712_netdev_ops to netdev_ops [ 29.536876][ T5] usb 6-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 29.560692][ T1793] usb 2-1: r8712u: Boot from EFUSE: Autoload Failed [ 29.567342][ T1793] usb 2-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 29.574899][ T1793] usb 2-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" executing program [ 29.585774][ T1793] usb 2-1: USB disconnect, device number 2 [ 29.594373][ T1797] usb 2-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 29.603596][ T1797] usb 2-1: r8712u: Firmware request failed [ 29.609614][ T1793] ------------[ cut here ]------------ [ 29.615117][ T1793] WARNING: CPU: 0 PID: 1793 at net/core/dev.c:8710 rollback_registered_many+0x1ed/0xef0 [ 29.624804][ T1793] Kernel panic - not syncing: panic_on_warn set ... executing program [ 29.631412][ T1793] CPU: 0 PID: 1793 Comm: kworker/0:3 Not tainted 5.5.0-rc7-syzkaller #0 [ 29.639723][ T1793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.649763][ T1793] Workqueue: usb_hub_wq hub_event [ 29.654764][ T1793] Call Trace: [ 29.658033][ T1793] dump_stack+0xef/0x16e [ 29.662266][ T1793] ? rollback_registered_many+0x1a0/0xef0 [ 29.667976][ T1793] panic+0x2aa/0x6e1 [ 29.671938][ T1793] ? add_taint.cold+0x16/0x16 [ 29.676612][ T1793] ? printk+0xba/0xed [ 29.680635][ T1793] ? kmsg_dump_rewind_nolock+0xd9/0xd9 executing program executing program [ 29.686151][ T1793] ? __warn.cold+0x14/0x30 [ 29.690580][ T1793] ? __warn+0xd5/0x1c8 [ 29.694635][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.700340][ T1793] __warn.cold+0x2f/0x30 [ 29.704595][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.710316][ T1793] report_bug+0x27b/0x2f0 [ 29.714639][ T1793] do_error_trap+0x12b/0x1e0 [ 29.719207][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.724923][ T1793] do_invalid_op+0x32/0x40 [ 29.729341][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.735040][ T1793] invalid_op+0x23/0x30 [ 29.739225][ T1793] RIP: 0010:rollback_registered_many+0x1ed/0xef0 [ 29.745528][ T1793] Code: 05 00 00 31 ff 44 89 fe e8 90 01 77 fc 45 84 ff 0f 85 49 ff ff ff e8 52 00 77 fc 0f 1f 44 00 00 e8 48 00 77 fc e8 43 00 77 fc <0f> 0b 48 89 ef e8 f9 06 21 fd 31 ff 89 c5 89 c6 e8 5e 01 77 fc 40 [ 29.765111][ T1793] RSP: 0018:ffff8881cddaf648 EFLAGS: 00010293 [ 29.771168][ T1793] RAX: ffff8881cdda0000 RBX: ffff8881cd9f8000 RCX: ffffffff84c81130 [ 29.779116][ T1793] RDX: 0000000000000000 RSI: ffffffff84c8114d RDI: 0000000000000001 [ 29.787106][ T1793] RBP: ffff8881cd9f8068 R08: ffff8881cdda0000 R09: fffffbfff0f8254d [ 29.795069][ T1793] R10: fffffbfff0f8254c R11: ffffffff87c12a67 R12: ffff8881cddaf798 [ 29.803024][ T1793] R13: dffffc0000000000 R14: ffff8881cddaf730 R15: 0000000000000000 [ 29.811031][ T1793] ? rollback_registered_many+0x1d0/0xef0 [ 29.816733][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.822451][ T1793] ? rollback_registered_many+0x1ed/0xef0 [ 29.828165][ T1793] ? unregister_netdev+0xe/0x20 [ 29.833000][ T1793] ? generic_xdp_install+0x490/0x490 [ 29.838268][ T1793] ? __mutex_lock+0x42b/0x1360 [ 29.843016][ T1793] ? do_raw_spin_lock+0x129/0x290 [ 29.848023][ T1793] ? unregister_netdev+0xe/0x20 [ 29.852864][ T1793] ? mark_held_locks+0x9f/0xe0 [ 29.857619][ T1793] ? _raw_spin_unlock_irq+0x1f/0x30 [ 29.862799][ T1793] ? mutex_trylock+0x2c0/0x2c0 [ 29.867543][ T1793] rollback_registered+0xf2/0x1c0 [ 29.872555][ T1793] ? rollback_registered_many+0xef0/0xef0 [ 29.878267][ T1793] ? wait_for_completion_interruptible+0x420/0x420 [ 29.884755][ T1793] ? wake_up_q+0x140/0x140 [ 29.889156][ T1793] unregister_netdevice_queue+0x1d7/0x2b0 [ 29.894892][ T1793] unregister_netdev+0x18/0x20 [ 29.899644][ T1793] r871xu_dev_remove+0xe2/0x215 [ 29.904480][ T1793] usb_unbind_interface+0x1bd/0x8a0 [ 29.909659][ T1793] ? usb_autoresume_device+0x60/0x60 [ 29.914930][ T1793] device_release_driver_internal+0x42f/0x500 [ 29.920980][ T1793] bus_remove_device+0x2eb/0x5a0 [ 29.925925][ T1793] device_del+0x481/0xd30 [ 29.930235][ T1793] ? device_create_with_groups+0x120/0x120 [ 29.936022][ T1793] ? usb_remove_ep_devs+0x3e/0x80 [ 29.941027][ T1793] ? remove_intf_ep_devs+0x13f/0x1d0 [ 29.946358][ T1793] usb_disable_device+0x23d/0x790 [ 29.951378][ T1793] usb_disconnect+0x293/0x900 [ 29.956038][ T1793] hub_event+0x1a1d/0x4300 [ 29.960439][ T1793] ? hub_port_debounce+0x350/0x350 [ 29.965532][ T1793] ? find_held_lock+0x2d/0x110 [ 29.970283][ T1793] ? mark_held_locks+0xe0/0xe0 [ 29.975042][ T1793] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.980576][ T1793] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.985840][ T1793] process_one_work+0x945/0x15c0 [ 29.990759][ T1793] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.996110][ T1793] worker_thread+0x7ab/0xe20 [ 30.000679][ T1793] ? process_one_work+0x15c0/0x15c0 [ 30.005857][ T1793] kthread+0x318/0x420 [ 30.009967][ T1793] ? kthread_create_on_node+0xf0/0xf0 [ 30.015329][ T1793] ret_from_fork+0x24/0x30 [ 30.020407][ T1793] Kernel Offset: disabled [ 30.024758][ T1793] Rebooting in 86400 seconds..