[info] Using makefile-style concurrent boot in runlevel 2. [....] 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[ 14.079033][ T1662] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.873351][ T1696] random: sshd: uninitialized urandom read (32 bytes read) [ 17.888569][ C1] random: crng init done Warning: Permanently added '10.128.10.27' (ECDSA) to the list of known hosts. [ 24.482636][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.722598][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 24.842681][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0xF has invalid maxpacket 64 [ 24.852531][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8F has wMaxPacketSize 0, skipping [ 24.862424][ T12] usb 1-1: New USB device found, idVendor=054c, idProduct=06c3, bcdDevice=ad.a7 [ 24.871465][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.880542][ T12] usb 1-1: config 0 descriptor?? [ 24.902795][ T1712] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 24.910244][ T1712] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 24.933830][ T12] ------------[ cut here ]------------ [ 24.939403][ T12] URB 00000000366753c1 submitted while active [ 24.945642][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 [ 24.955078][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 24.961639][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 24.968977][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.979010][ T12] Workqueue: usb_hub_wq hub_event [ 24.986873][ T12] Call Trace: [ 24.990137][ T12] dump_stack+0xca/0x13e [ 24.994354][ T12] ? usb_submit_urb+0x10c0/0x13b0 [ 24.999380][ T12] panic+0x2aa/0x6e1 [ 25.003248][ T12] ? add_taint.cold+0x16/0x16 [ 25.007987][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 25.013244][ T12] ? __warn.cold+0x14/0x33 [ 25.017631][ T12] ? __warn+0xd5/0x1d0 [ 25.021760][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 25.026756][ T12] __warn.cold+0x2f/0x33 [ 25.030971][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 25.035973][ T12] report_bug+0x27b/0x2f0 [ 25.040274][ T12] do_error_trap+0x12b/0x1e0 [ 25.044836][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 25.049831][ T12] do_invalid_op+0x32/0x40 [ 25.054218][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 25.059214][ T12] invalid_op+0x23/0x30 [ 25.063345][ T12] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 25.068951][ T12] Code: 89 de e8 b2 23 ef fd 84 db 0f 85 42 f6 ff ff e8 75 22 ef fd 4c 89 fe 48 c7 c7 c0 76 14 86 c6 05 54 c4 35 04 01 e8 94 bd c4 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 25.088526][ T12] RSP: 0018:ffff8881da2270f8 EFLAGS: 00010286 [ 25.094564][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 25.102508][ T12] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b444e11 [ 25.110451][ T12] RBP: ffff8881d21d5880 R08: ffff8881da211800 R09: fffffbfff11ab3b5 [ 25.118482][ T12] R10: fffffbfff11ab3b4 R11: ffffffff88d59da7 R12: ffff8881d526f900 [ 25.126426][ T12] R13: 00000000fffffff0 R14: ffff8881d0bf8048 R15: ffff8881d526f700 [ 25.134378][ T12] ? vprintk_func+0x7d/0x113 [ 25.139207][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 25.144208][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 25.149468][ T12] port100_send_cmd_async+0x801/0xb80 [ 25.154815][ T12] port100_send_cmd_sync+0xaa/0x130 [ 25.159990][ T12] ? port100_in_send_cmd+0x1c0/0x1c0 [ 25.165250][ T12] ? __alloc_skb+0x3a7/0x5a0 [ 25.169818][ T12] ? skb_put+0x15d/0x1c0 [ 25.174037][ T12] port100_probe+0xa12/0xea0 [ 25.178602][ T12] usb_probe_interface+0x305/0x7a0 [ 25.183692][ T12] ? usb_probe_device+0x100/0x100 [ 25.188691][ T12] really_probe+0x281/0x6d0 [ 25.193169][ T12] driver_probe_device+0x104/0x210 [ 25.198258][ T12] __device_attach_driver+0x1c2/0x220 [ 25.203606][ T12] ? driver_allows_async_probing+0x160/0x160 [ 25.209570][ T12] bus_for_each_drv+0x162/0x1e0 [ 25.214396][ T12] ? bus_rescan_devices+0x20/0x20 [ 25.219398][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.225178][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.230438][ T12] __device_attach+0x217/0x360 [ 25.235176][ T12] ? device_bind_driver+0xd0/0xd0 [ 25.240176][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 25.245440][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 25.250701][ T12] bus_probe_device+0x1e4/0x290 [ 25.255530][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.261406][ T12] device_add+0xae6/0x16f0 [ 25.265803][ T12] ? uevent_store+0x50/0x50 [ 25.270291][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.276071][ T12] usb_set_configuration+0xdf6/0x1670 [ 25.281423][ T12] generic_probe+0x9d/0xd5 [ 25.285823][ T12] usb_probe_device+0x99/0x100 [ 25.290565][ T12] ? usb_suspend+0x620/0x620 [ 25.295131][ T12] really_probe+0x281/0x6d0 [ 25.299612][ T12] driver_probe_device+0x104/0x210 [ 25.304698][ T12] __device_attach_driver+0x1c2/0x220 [ 25.310045][ T12] ? driver_allows_async_probing+0x160/0x160 [ 25.316086][ T12] bus_for_each_drv+0x162/0x1e0 [ 25.320913][ T12] ? bus_rescan_devices+0x20/0x20 [ 25.325916][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.331699][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.336958][ T12] __device_attach+0x217/0x360 [ 25.341700][ T12] ? device_bind_driver+0xd0/0xd0 [ 25.346698][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 25.351965][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 25.357227][ T12] bus_probe_device+0x1e4/0x290 [ 25.362053][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.367925][ T12] device_add+0xae6/0x16f0 [ 25.372314][ T12] ? uevent_store+0x50/0x50 [ 25.376793][ T12] usb_new_device.cold+0x6a4/0xe79 [ 25.381880][ T12] hub_event+0x1df8/0x3800 [ 25.386280][ T12] ? hub_port_debounce+0x260/0x260 [ 25.391364][ T12] ? find_held_lock+0x2d/0x110 [ 25.396104][ T12] ? mark_held_locks+0xe0/0xe0 [ 25.400841][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.406360][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.411622][ T12] process_one_work+0x92b/0x1530 [ 25.416536][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.421883][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 25.426883][ T12] worker_thread+0x96/0xe20 [ 25.431362][ T12] ? process_one_work+0x1530/0x1530 [ 25.436534][ T12] kthread+0x318/0x420 [ 25.440579][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 25.445926][ T12] ret_from_fork+0x24/0x30 [ 25.450971][ T12] Kernel Offset: disabled [ 25.455325][ T12] Rebooting in 86400 seconds..