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 '10.128.15.197' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.225982][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.465930][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 28.586074][ T12] usb 1-1: config 0 has an invalid interface number: 114 but max is 0 [ 28.594655][ T12] usb 1-1: config 0 has an invalid interface number: 229 but max is 0 [ 28.603261][ T12] usb 1-1: config 0 has 2 interfaces, different from the descriptor's value: 1 [ 28.612252][ T12] usb 1-1: config 0 has no interface number 0 [ 28.618362][ T12] usb 1-1: config 0 has no interface number 1 [ 28.624464][ T12] usb 1-1: config 0 interface 114 altsetting 0 endpoint 0x1 has invalid maxpacket 701, setting to 64 [ 28.635369][ T12] usb 1-1: config 0 interface 114 altsetting 0 endpoint 0xB has invalid maxpacket 245, setting to 64 [ 28.646273][ T12] usb 1-1: config 0 interface 114 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 6 [ 28.659689][ T12] usb 1-1: too many endpoints for config 0 interface 229 altsetting 88: 57, using maximum allowed: 30 [ 28.670717][ T12] usb 1-1: config 0 interface 229 altsetting 88 endpoint 0x8 has invalid maxpacket 137, setting to 64 [ 28.681723][ T12] usb 1-1: config 0 interface 229 altsetting 88 has a duplicate endpoint with address 0x8, skipping [ 28.692530][ T12] usb 1-1: config 0 interface 229 altsetting 88 bulk endpoint 0x6 has invalid maxpacket 232 [ 28.702743][ T12] usb 1-1: config 0 interface 229 altsetting 88 has 4 endpoint descriptors, different from the interface descriptor's value: 57 [ 28.716009][ T12] usb 1-1: config 0 interface 229 has no altsetting 0 [ 28.722974][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=3fca, bcdDevice=a1.e2 [ 28.732064][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.741586][ T12] usb 1-1: config 0 descriptor?? executing program [ 29.046028][ T12] udlfb 1-1:0.114: vendor descriptor not available (-71) [ 29.066028][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 29.085985][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 29.105988][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 29.111603][ T12] usb 1-1: Unable to get valid EDID from device/display [ 29.137970][ T12] ------------[ cut here ]------------ [ 29.143502][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 29.149620][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 29.159182][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 29.165754][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 29.173532][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.183935][ T12] Workqueue: usb_hub_wq hub_event [ 29.188963][ T12] Call Trace: [ 29.192244][ T12] dump_stack+0xef/0x16e [ 29.196473][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 29.201510][ T12] panic+0x2aa/0x6e1 [ 29.205403][ T12] ? add_taint.cold+0x16/0x16 [ 29.210076][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 29.215557][ T12] ? __warn.cold+0x14/0x30 [ 29.220041][ T12] ? __warn+0xd5/0x1c8 [ 29.224291][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 29.229357][ T12] __warn.cold+0x2f/0x30 [ 29.233675][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 29.238697][ T12] report_bug+0x27b/0x2f0 [ 29.243114][ T12] do_error_trap+0x12b/0x1e0 [ 29.247689][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 29.252706][ T12] do_invalid_op+0x32/0x40 [ 29.257223][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 29.262280][ T12] invalid_op+0x23/0x30 [ 29.266428][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 29.272044][ T12] Code: 4d 85 ed 74 2c e8 a8 84 e9 fd 4c 89 f7 e8 20 74 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 29 15 86 e8 10 b3 be fd <0f> 0b e9 20 f4 ff ff e8 7c 84 e9 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 29.291657][ T12] RSP: 0018:ffff8881da626f28 EFLAGS: 00010282 [ 29.297715][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.305669][ T12] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b4c4dd7 [ 29.313632][ T12] RBP: ffff8881d36f60a0 R08: ffff8881da611880 R09: fffffbfff11aeca6 [ 29.321601][ T12] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000003 [ 29.329579][ T12] R13: ffff8881ca068a08 R14: ffff8881cfd1d0a0 R15: ffff8881d953ad00 [ 29.337575][ T12] ? vprintk_func+0x7d/0x113 [ 29.342162][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 29.347177][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.352467][ T12] dlfb_submit_urb+0x89/0x160 [ 29.357148][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 29.362418][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 29.367254][ T12] ? dlfb_handle_damage+0x660/0x660 [ 29.372434][ T12] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 29.377793][ T12] ? kfree+0xdc/0x310 [ 29.381940][ T12] dlfb_usb_probe.cold+0xed7/0x1bba [ 29.387129][ T12] ? edid_store+0x180/0x180 [ 29.391617][ T12] ? __pm_runtime_resume+0x111/0x180 [ 29.396902][ T12] usb_probe_interface+0x305/0x7a0 [ 29.402193][ T12] ? usb_probe_device+0x100/0x100 [ 29.407438][ T12] really_probe+0x281/0x6d0 [ 29.411942][ T12] driver_probe_device+0x104/0x210 [ 29.417043][ T12] __device_attach_driver+0x1c2/0x220 [ 29.422415][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.428379][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.433210][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.438237][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.444042][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.449332][ T12] __device_attach+0x217/0x360 [ 29.454132][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.459159][ T12] bus_probe_device+0x1e4/0x290 [ 29.464031][ T12] device_add+0x1480/0x1c20 [ 29.468609][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 29.473900][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 29.480823][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.486633][ T12] usb_set_configuration+0xe67/0x1740 [ 29.492046][ T12] generic_probe+0x9d/0xd5 [ 29.496544][ T12] usb_probe_device+0x99/0x100 [ 29.501561][ T12] ? usb_suspend+0x620/0x620 [ 29.506157][ T12] really_probe+0x281/0x6d0 [ 29.510710][ T12] driver_probe_device+0x104/0x210 [ 29.515821][ T12] __device_attach_driver+0x1c2/0x220 [ 29.521192][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.527246][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.532105][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.537294][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.543203][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.548504][ T12] __device_attach+0x217/0x360 [ 29.553544][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.558699][ T12] bus_probe_device+0x1e4/0x290 [ 29.563557][ T12] device_add+0x1480/0x1c20 [ 29.568071][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 29.574143][ T12] usb_new_device.cold+0x6a4/0xe79 [ 29.579258][ T12] hub_event+0x1e59/0x3860 [ 29.583751][ T12] ? hub_port_debounce+0x260/0x260 [ 29.588856][ T12] ? find_held_lock+0x2d/0x110 [ 29.593608][ T12] ? mark_held_locks+0xe0/0xe0 [ 29.598371][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.603942][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.609323][ T12] process_one_work+0x92b/0x1530 [ 29.614425][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.619800][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 29.624822][ T12] worker_thread+0x96/0xe20 [ 29.629322][ T12] ? process_one_work+0x1530/0x1530 [ 29.634690][ T12] kthread+0x318/0x420 [ 29.638742][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 29.644458][ T12] ret_from_fork+0x24/0x30 [ 29.650421][ T12] Kernel Offset: disabled [ 29.654798][ T12] Rebooting in 86400 seconds..