[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[ 14.643319][ T1669] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.092875][ T1703] random: sshd: uninitialized urandom read (32 bytes read) [ 19.108522][ C1] random: crng init done Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. executing program [ 52.495134][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.735096][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 52.855271][ T12] usb 1-1: config 255 has an invalid interface number: 17 but max is 0 [ 52.863724][ T12] usb 1-1: config 255 has no interface number 0 [ 52.870077][ T12] usb 1-1: config 255 interface 17 altsetting 0 endpoint 0x9 has invalid maxpacket 476, setting to 64 [ 52.881057][ T12] usb 1-1: config 255 interface 17 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 52.891956][ T12] usb 1-1: config 255 interface 17 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 52.902863][ T12] usb 1-1: config 255 interface 17 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 52.913808][ T12] usb 1-1: config 255 interface 17 altsetting 0 bulk endpoint 0xE has invalid maxpacket 253 [ 53.155222][ T12] usb 1-1: string descriptor 0 read error: -22 [ 53.162129][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=e7d1, bcdDevice=84.35 [ 53.171224][ T12] usb 1-1: New USB device strings: Mfr=37, Product=0, SerialNumber=1 executing program [ 53.475260][ T12] udlfb 1-1:255.17: vendor descriptor not available (-71) [ 53.495227][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 53.515224][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 53.535198][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 53.541134][ T12] usb 1-1: Unable to get valid EDID from device/display [ 53.566999][ T12] ------------[ cut here ]------------ [ 53.572867][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 53.578939][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 53.588662][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 53.596809][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc5+ #28 [ 53.604475][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.614539][ T12] Workqueue: usb_hub_wq hub_event [ 53.619553][ T12] Call Trace: [ 53.622833][ T12] dump_stack+0xca/0x13e [ 53.627755][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 53.632774][ T12] panic+0x2a3/0x6da [ 53.636755][ T12] ? add_taint.cold+0x16/0x16 [ 53.641547][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 53.646910][ T12] ? __warn.cold+0x5/0x4a [ 53.651223][ T12] ? __warn+0xe3/0x1e0 [ 53.655316][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 53.661230][ T12] __warn.cold+0x20/0x4a [ 53.665595][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 53.671040][ T12] report_bug+0x262/0x2a0 [ 53.675357][ T12] do_error_trap+0x12b/0x1e0 [ 53.680206][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 53.687414][ T12] do_invalid_op+0x32/0x40 [ 53.691823][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 53.697033][ T12] invalid_op+0x23/0x30 [ 53.701181][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 53.707253][ T12] Code: 4d 85 ed 74 2c e8 88 ba ef fd 4c 89 f7 e8 70 bf 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 69 18 86 e8 6d a0 c5 fd <0f> 0b e9 20 f4 ff ff e8 5c ba ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 53.727595][ T12] RSP: 0018:ffff8881da20ef90 EFLAGS: 00010282 [ 53.733709][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.742059][ T12] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103b441de4 [ 53.750466][ T12] RBP: ffff8881d204af50 R08: ffff8881da1f9800 R09: fffffbfff11ad79a [ 53.758893][ T12] R10: fffffbfff11ad799 R11: ffffffff88d6bccf R12: 0000000000000003 [ 53.767351][ T12] R13: ffff8881cfccee88 R14: ffff8881d5c6ef20 R15: ffff8881d57d4500 [ 53.775492][ T12] ? vprintk_func+0x7d/0x113 [ 53.780329][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 53.785785][ T12] dlfb_submit_urb+0x89/0x160 [ 53.790581][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 53.795967][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 53.801160][ T12] ? dlfb_handle_damage+0x660/0x660 [ 53.806731][ T12] ? dlfb_usb_probe.cold+0xc45/0x190a [ 53.812642][ T12] ? kfree+0xe4/0x2f0 [ 53.816860][ T12] dlfb_usb_probe.cold+0xc6d/0x190a [ 53.822054][ T12] ? edid_store+0x180/0x180 [ 53.826540][ T12] ? __pm_runtime_resume+0x111/0x180 [ 53.831925][ T12] usb_probe_interface+0x305/0x7a0 [ 53.837037][ T12] ? usb_probe_device+0x100/0x100 [ 53.842162][ T12] really_probe+0x281/0x6d0 [ 53.846718][ T12] driver_probe_device+0x101/0x1b0 [ 53.852007][ T12] __device_attach_driver+0x1c2/0x220 [ 53.857763][ T12] ? driver_allows_async_probing+0x160/0x160 [ 53.863864][ T12] bus_for_each_drv+0x162/0x1e0 [ 53.868784][ T12] ? bus_rescan_devices+0x20/0x20 [ 53.873885][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.879888][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 53.885246][ T12] __device_attach+0x217/0x360 [ 53.889987][ T12] ? device_bind_driver+0xd0/0xd0 [ 53.895125][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 53.900806][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 53.906190][ T12] bus_probe_device+0x1e4/0x290 [ 53.911247][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.917132][ T12] device_add+0xae6/0x16f0 [ 53.921524][ T12] ? uevent_store+0x50/0x50 [ 53.926183][ T12] usb_set_configuration+0xdf6/0x1670 [ 53.931659][ T12] generic_probe+0x9d/0xd5 [ 53.936054][ T12] usb_probe_device+0x99/0x100 [ 53.940789][ T12] ? usb_suspend+0x620/0x620 [ 53.945625][ T12] really_probe+0x281/0x6d0 [ 53.950383][ T12] driver_probe_device+0x101/0x1b0 [ 53.955494][ T12] __device_attach_driver+0x1c2/0x220 [ 53.960867][ T12] ? driver_allows_async_probing+0x160/0x160 [ 53.967075][ T12] bus_for_each_drv+0x162/0x1e0 [ 53.972045][ T12] ? bus_rescan_devices+0x20/0x20 [ 53.977173][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.982990][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 53.988403][ T12] __device_attach+0x217/0x360 [ 53.993384][ T12] ? device_bind_driver+0xd0/0xd0 [ 53.998395][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 54.003818][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 54.009095][ T12] bus_probe_device+0x1e4/0x290 [ 54.014063][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 54.019988][ T12] device_add+0xae6/0x16f0 [ 54.024642][ T12] ? uevent_store+0x50/0x50 [ 54.029938][ T12] usb_new_device.cold+0x6a4/0xe79 [ 54.035179][ T12] hub_event+0x1b5c/0x3640 [ 54.039583][ T12] ? hub_port_debounce+0x260/0x260 [ 54.044837][ T12] process_one_work+0x92b/0x1530 [ 54.049767][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 54.055252][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 54.060273][ T12] worker_thread+0x96/0xe20 [ 54.065308][ T12] ? process_one_work+0x1530/0x1530 [ 54.070749][ T12] kthread+0x318/0x420 [ 54.074800][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 54.080514][ T12] ret_from_fork+0x24/0x30 [ 54.085985][ T12] Kernel Offset: disabled [ 54.090372][ T12] Rebooting in 86400 seconds..