INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.966727][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.326738][ T22] usb 1-1: config index 0 descriptor too short (expected 1307, got 27) [ 27.335080][ T22] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 27.343456][ T22] usb 1-1: config 0 has no interface number 0 [ 27.349570][ T22] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has an invalid bInterval 162, changing to 11 [ 27.360804][ T22] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has invalid maxpacket 1764, setting to 1024 [ 27.371931][ T22] usb 1-1: New USB device found, idVendor=17e9, idProduct=c9ad, bcdDevice=38.3f [ 27.380966][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.390568][ T22] usb 1-1: config 0 descriptor?? [ 27.406831][ T1721] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 27.686703][ T22] udlfb 1-1:0.148: vendor descriptor not available (-71) [ 27.706703][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 27.726711][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 27.746666][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 27.752257][ T22] usb 1-1: Unable to get valid EDID from device/display [ 27.778416][ T22] ------------[ cut here ]------------ [ 27.783906][ T22] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 27.789969][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 27.799409][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 27.805974][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 27.814096][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.824135][ T22] Workqueue: usb_hub_wq hub_event [ 27.829133][ T22] Call Trace: [ 27.832406][ T22] dump_stack+0xef/0x16e [ 27.836626][ T22] ? usb_submit_urb+0x1170/0x13b0 [ 27.841655][ T22] panic+0x2aa/0x6e1 [ 27.845529][ T22] ? add_taint.cold+0x16/0x16 [ 27.850193][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 27.855457][ T22] ? __warn.cold+0x14/0x30 [ 27.859850][ T22] ? __warn+0xd5/0x1c8 [ 27.863895][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 27.869327][ T22] __warn.cold+0x2f/0x30 [ 27.873547][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 27.878552][ T22] report_bug+0x27b/0x2f0 [ 27.882862][ T22] do_error_trap+0x12b/0x1e0 [ 27.887431][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 27.892544][ T22] do_invalid_op+0x32/0x40 [ 27.896947][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 27.901953][ T22] invalid_op+0x23/0x30 [ 27.906094][ T22] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.911710][ T22] Code: 4d 85 ed 74 2c e8 d8 8f e7 fd 4c 89 f7 e8 e0 2c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 5a 15 86 e8 50 ac bc fd <0f> 0b e9 20 f4 ff ff e8 ac 8f e7 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.931334][ T22] RSP: 0018:ffff8881d8c36f28 EFLAGS: 00010282 [ 27.937377][ T22] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.945325][ T22] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b186dd7 [ 27.953272][ T22] RBP: ffff8881d0e33b00 R08: ffff8881da24e200 R09: fffffbfff11f1eb6 [ 27.961222][ T22] R10: fffffbfff11f1eb5 R11: ffffffff88f8f5af R12: 0000000000000003 [ 27.969176][ T22] R13: ffff8881cefbeb70 R14: ffff8881cf4390a0 R15: ffff8881d48db100 [ 27.977154][ T22] ? vprintk_func+0x7d/0x113 [ 27.981724][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 27.986722][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.991986][ T22] dlfb_submit_urb+0x89/0x160 [ 27.996641][ T22] dlfb_set_video_mode+0x2249/0x29b0 [ 28.001902][ T22] dlfb_ops_set_par+0x2a3/0x810 [ 28.006731][ T22] ? dlfb_handle_damage+0x660/0x660 [ 28.011904][ T22] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 28.017263][ T22] ? kfree+0xda/0x310 [ 28.021223][ T22] dlfb_usb_probe.cold+0xed7/0x1bba [ 28.026402][ T22] ? edid_store+0x180/0x180 [ 28.030893][ T22] ? __pm_runtime_resume+0x111/0x180 [ 28.036154][ T22] usb_probe_interface+0x305/0x7a0 [ 28.041244][ T22] ? usb_probe_device+0x100/0x100 [ 28.046248][ T22] really_probe+0x281/0x6d0 [ 28.050729][ T22] driver_probe_device+0x104/0x210 [ 28.055814][ T22] __device_attach_driver+0x1c2/0x220 [ 28.061162][ T22] ? driver_allows_async_probing+0x160/0x160 [ 28.067123][ T22] bus_for_each_drv+0x162/0x1e0 [ 28.071967][ T22] ? bus_rescan_devices+0x20/0x20 [ 28.076978][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.082770][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 28.088051][ T22] __device_attach+0x217/0x360 [ 28.092837][ T22] ? device_bind_driver+0xd0/0xd0 [ 28.097840][ T22] bus_probe_device+0x1e4/0x290 [ 28.102669][ T22] device_add+0x1480/0x1c20 [ 28.107154][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 28.112418][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 28.118457][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.124238][ T22] usb_set_configuration+0xe67/0x1740 [ 28.129889][ T22] generic_probe+0x9d/0xd5 [ 28.134284][ T22] usb_probe_device+0x99/0x100 [ 28.139025][ T22] ? usb_suspend+0x620/0x620 [ 28.143590][ T22] really_probe+0x281/0x6d0 [ 28.148081][ T22] driver_probe_device+0x104/0x210 [ 28.153176][ T22] __device_attach_driver+0x1c2/0x220 [ 28.158531][ T22] ? driver_allows_async_probing+0x160/0x160 [ 28.164522][ T22] bus_for_each_drv+0x162/0x1e0 [ 28.169348][ T22] ? bus_rescan_devices+0x20/0x20 [ 28.174346][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.180128][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 28.185387][ T22] __device_attach+0x217/0x360 [ 28.190128][ T22] ? device_bind_driver+0xd0/0xd0 [ 28.195132][ T22] bus_probe_device+0x1e4/0x290 [ 28.199958][ T22] device_add+0x1480/0x1c20 [ 28.204436][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 28.210482][ T22] usb_new_device.cold+0x6a4/0xe79 [ 28.215579][ T22] hub_event+0x1e59/0x3860 [ 28.219973][ T22] ? hub_port_debounce+0x260/0x260 [ 28.225061][ T22] ? find_held_lock+0x2d/0x110 [ 28.229800][ T22] ? mark_held_locks+0xe0/0xe0 [ 28.234549][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.240072][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.245333][ T22] process_one_work+0x92b/0x1530 [ 28.250248][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.255598][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 28.260596][ T22] worker_thread+0x96/0xe20 [ 28.265083][ T22] ? process_one_work+0x1530/0x1530 [ 28.270355][ T22] kthread+0x318/0x420 [ 28.274403][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 28.279749][ T22] ret_from_fork+0x24/0x30 [ 28.284930][ T22] Kernel Offset: disabled [ 28.289275][ T22] Rebooting in 86400 seconds..