[....] 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[ 14.201089][ T1663] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 14.504199][ T1697] random: sshd: uninitialized urandom read (32 bytes read) [ 14.632354][ C0] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 460.899368][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 460.899376][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 460.899824][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 460.923158][ T1731] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 460.929324][ T1733] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 460.938236][ T102] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 461.139199][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 461.139286][ T17] usb 2-1: Using ep0 maxpacket: 32 [ 461.169264][ T1731] usb 5-1: Using ep0 maxpacket: 32 [ 461.179261][ T83] usb 6-1: Using ep0 maxpacket: 32 [ 461.189306][ T102] usb 3-1: Using ep0 maxpacket: 32 [ 461.194557][ T1733] usb 4-1: Using ep0 maxpacket: 32 [ 461.269440][ T17] usb 2-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.277997][ T17] usb 2-1: config 0 has no interface number 0 [ 461.284373][ T17] usb 2-1: config 0 interface 158 has no altsetting 0 [ 461.289508][ T12] usb 1-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.291482][ T17] usb 2-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.299569][ T12] usb 1-1: config 0 has no interface number 0 [ 461.299891][ T12] usb 1-1: config 0 interface 158 has no altsetting 0 [ 461.308633][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.308772][ T1731] usb 5-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.314862][ T12] usb 1-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.321684][ T1731] usb 5-1: config 0 has no interface number 0 [ 461.321760][ T83] usb 6-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.329756][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.337895][ T83] usb 6-1: config 0 has no interface number 0 [ 461.352885][ T12] usb 1-1: config 0 descriptor?? [ 461.353341][ T1731] usb 5-1: config 0 interface 158 has no altsetting 0 [ 461.361923][ T1733] usb 4-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.369479][ T1731] usb 5-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.369493][ T1731] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.375611][ T1733] usb 4-1: config 0 has no interface number 0 [ 461.381890][ T83] usb 6-1: config 0 interface 158 has no altsetting 0 [ 461.387504][ T102] usb 3-1: config 0 has an invalid interface number: 158 but max is 0 [ 461.395652][ T83] usb 6-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.404695][ T102] usb 3-1: config 0 has no interface number 0 [ 461.412770][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.419714][ T1733] usb 4-1: config 0 interface 158 has no altsetting 0 [ 461.426352][ T17] usb 2-1: config 0 descriptor?? [ 461.433975][ T1733] usb 4-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.452966][ T1731] usb 5-1: config 0 descriptor?? [ 461.457243][ T1733] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.464773][ T83] usb 6-1: config 0 descriptor?? [ 461.477189][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.485626][ T17] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.491014][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.494445][ T102] usb 3-1: config 0 interface 158 has no altsetting 0 [ 461.496046][ T17] usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.502878][ T102] usb 3-1: New USB device found, idVendor=13d3, idProduct=3325, bcdDevice=7a.11 [ 461.511838][ T1731] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.516007][ T102] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 461.522927][ T1731] usb 5-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.535011][ T83] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.566637][ T83] usb 6-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.574007][ T1733] usb 4-1: config 0 descriptor?? [ 461.582420][ T102] usb 3-1: config 0 descriptor?? [ 461.631585][ T102] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.638243][ T102] usb 3-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.647136][ T1733] r8712u: register rtl8712_netdev_ops to netdev_ops [ 461.653894][ T1733] usb 4-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 461.660686][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 461.667271][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 461.669265][ T17] usb 2-1: r8712u: Boot from EFUSE: Autoload Failed executing program executing program [ 461.674789][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 461.681394][ T17] usb 2-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 461.693907][ T12] usb 1-1: USB disconnect, device number 2 [ 461.696490][ T17] usb 2-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 461.710173][ T1731] usb 5-1: r8712u: Boot from EFUSE: Autoload Failed [ 461.716783][ T1731] usb 5-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 461.724305][ T1731] usb 5-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" executing program executing program [ 461.732316][ T83] usb 6-1: r8712u: Boot from EFUSE: Autoload Failed [ 461.738935][ T83] usb 6-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 461.746470][ T83] usb 6-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 461.755018][ T1736] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 461.756319][ T1731] usb 5-1: USB disconnect, device number 2 [ 461.769902][ T83] usb 6-1: USB disconnect, device number 2 [ 461.774395][ T1736] usb 1-1: r8712u: Firmware request failed [ 461.776881][ T17] usb 2-1: USB disconnect, device number 2 [ 461.781813][ T12] ------------[ cut here ]------------ [ 461.788302][ T1737] usb 5-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 461.793007][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8220 rollback_registered_many+0x1df/0xe00 [ 461.793017][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 461.801901][ T1737] usb 5-1: r8712u: Firmware request failed [ 461.811359][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 executing program executing program [ 461.811365][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.811428][ T12] Workqueue: usb_hub_wq hub_event [ 461.820841][ T1737] usb 6-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 461.823827][ T12] Call Trace: [ 461.832845][ T1737] usb 6-1: r8712u: Firmware request failed [ 461.841256][ T12] dump_stack+0xca/0x13e [ 461.841276][ T12] ? rollback_registered_many+0x1c0/0xe00 [ 461.849623][ T1737] usb 2-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 461.855197][ T12] panic+0x2aa/0x6e1 [ 461.858397][ T1737] usb 2-1: r8712u: Firmware request failed [ 461.864148][ T12] ? add_taint.cold+0x16/0x16 [ 461.864197][ T12] ? printk+0xba/0xed [ 461.864211][ T12] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 461.906705][ T12] ? __warn.cold+0x14/0x33 [ 461.911099][ T12] ? __warn+0xd5/0x1d0 [ 461.915152][ T12] ? rollback_registered_many+0x1df/0xe00 [ 461.920867][ T12] __warn.cold+0x2f/0x33 [ 461.925090][ T12] ? rollback_registered_many+0x1df/0xe00 [ 461.930787][ T12] report_bug+0x27b/0x2f0 [ 461.935156][ T12] do_error_trap+0x12b/0x1e0 [ 461.939750][ T12] ? rollback_registered_many+0x1df/0xe00 [ 461.945449][ T12] do_invalid_op+0x32/0x40 [ 461.949845][ T12] ? rollback_registered_many+0x1df/0xe00 [ 461.955583][ T12] invalid_op+0x23/0x30 [ 461.959731][ T12] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 461.966056][ T12] Code: 84 c0 74 06 0f 8e 39 0a 00 00 44 0f b6 bb 28 05 00 00 31 ff 44 89 fe e8 5f 41 8f fc 45 84 ff 0f 85 49 ff ff ff e8 21 40 8f fc <0f> 0b 4c 89 e7 e8 87 aa 34 fd 31 ff 41 89 c4 89 c6 e8 3b 41 8f fc [ 461.985651][ T12] RSP: 0018:ffff8881da227668 EFLAGS: 00010293 [ 461.991698][ T12] RAX: ffff8881da211800 RBX: ffff8881cf8c0000 RCX: ffffffff84aee511 [ 461.999661][ T12] RDX: 0000000000000000 RSI: ffffffff84aee51f RDI: 0000000000000001 [ 462.007616][ T12] RBP: ffff8881da227798 R08: ffff8881da211800 R09: fffffbfff0ee2da1 [ 462.015591][ T12] R10: fffffbfff0ee2da0 R11: ffffffff87716d07 R12: ffff8881cf8c0070 [ 462.023545][ T12] R13: ffff8881da227728 R14: dffffc0000000000 R15: 0000000000000000 [ 462.031526][ T12] ? rollback_registered_many+0x1d1/0xe00 [ 462.037241][ T12] ? rollback_registered_many+0x1df/0xe00 [ 462.042960][ T12] ? rollback_registered_many+0x1df/0xe00 [ 462.048653][ T12] ? generic_xdp_install+0x480/0x480 [ 462.053983][ T12] ? __mutex_lock+0x430/0x1360 [ 462.058775][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 462.063778][ T12] ? unregister_netdev+0xe/0x20 [ 462.068740][ T12] ? mark_held_locks+0x9f/0xe0 [ 462.073635][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 462.078819][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 462.083575][ T12] rollback_registered+0xf2/0x1c0 [ 462.088592][ T12] ? rollback_registered_many+0xe00/0xe00 [ 462.094296][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 462.100844][ T12] ? wake_up_q+0xf0/0xf0 [ 462.105067][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 462.110773][ T12] unregister_netdev+0x18/0x20 [ 462.115589][ T12] r871xu_dev_remove+0xe2/0x215 [ 462.120456][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 462.125658][ T12] ? usb_autoresume_device+0x60/0x60 [ 462.131002][ T12] device_release_driver_internal+0x42f/0x500 [ 462.137062][ T12] bus_remove_device+0x2dc/0x4a0 [ 462.141976][ T12] device_del+0x420/0xb20 [ 462.146284][ T12] ? __device_link_del+0x2f0/0x2f0 [ 462.151392][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 462.156676][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 462.161952][ T12] usb_disable_device+0x211/0x690 [ 462.167185][ T12] usb_disconnect+0x284/0x8d0 [ 462.171843][ T12] hub_event+0x16f2/0x3800 [ 462.176237][ T12] ? hub_port_debounce+0x260/0x260 [ 462.181340][ T12] ? find_held_lock+0x2d/0x110 [ 462.186106][ T12] ? mark_held_locks+0xe0/0xe0 [ 462.190889][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 462.196418][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 462.201752][ T12] process_one_work+0x92b/0x1530 [ 462.206673][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 462.212033][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 462.217034][ T12] worker_thread+0x7ab/0xe20 [ 462.221602][ T12] ? process_one_work+0x1530/0x1530 [ 462.226829][ T12] kthread+0x318/0x420 [ 462.230885][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 462.236253][ T12] ret_from_fork+0x24/0x30 [ 462.241447][ T12] Kernel Offset: disabled [ 462.245824][ T12] Rebooting in 86400 seconds..