INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.249' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.813456][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.053407][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 25.213510][ T22] usb 1-1: unable to get BOS descriptor or descriptor too short [ 25.293677][ T22] usb 1-1: config 32 has an invalid interface number: 74 but max is 1 [ 25.302204][ T22] usb 1-1: config 32 has an invalid interface number: 69 but max is 1 [ 25.310391][ T22] usb 1-1: config 32 has an invalid interface number: 168 but max is 1 [ 25.318658][ T22] usb 1-1: config 32 has 3 interfaces, different from the descriptor's value: 2 [ 25.327735][ T22] usb 1-1: config 32 has no interface number 0 [ 25.333917][ T22] usb 1-1: config 32 has no interface number 1 [ 25.340056][ T22] usb 1-1: config 32 has no interface number 2 [ 25.346418][ T22] usb 1-1: config 32 interface 74 altsetting 0 endpoint 0xE has an invalid bInterval 255, changing to 11 [ 25.357653][ T22] usb 1-1: config 32 interface 69 altsetting 2 has 0 endpoint descriptors, different from the interface descriptor's value: 3 [ 25.374561][ T22] usb 1-1: too many endpoints for config 32 interface 168 altsetting 124: 68, using maximum allowed: 30 [ 25.385720][ T22] usb 1-1: config 32 interface 168 altsetting 124 bulk endpoint 0x8B has invalid maxpacket 300 [ 25.396083][ T22] usb 1-1: config 32 interface 168 altsetting 124 has an invalid endpoint with address 0x0, skipping [ 25.406957][ T22] usb 1-1: config 32 interface 168 altsetting 124 has 3 endpoint descriptors, different from the interface descriptor's value: 68 [ 25.420349][ T22] usb 1-1: config 32 interface 69 has no altsetting 0 [ 25.427176][ T22] usb 1-1: config 32 interface 168 has no altsetting 0 [ 25.673515][ T22] usb 1-1: string descriptor 0 read error: -22 [ 25.679766][ T22] usb 1-1: New USB device found, idVendor=08ca, idProduct=0022, bcdDevice=4b.d6 [ 25.688855][ T22] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 25.953489][ T22] aiptek 1-1:32.74: Aiptek using 400 ms programming speed [ 25.961982][ T22] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:32.74/input/input5 [ 26.043480][ T22] input: failed to attach handler kbd to device input5, error: -5 [ 26.054687][ T22] aiptek 1-1:32.69: interface has 0 endpoints, but must have minimum 1 [ 26.063110][ T22] aiptek: probe of 1-1:32.69 failed with error -22 [ 26.103508][ T22] aiptek 1-1:32.168: Aiptek using 400 ms programming speed [ 26.111647][ T22] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:32.168/input/input7 [ 26.121537][ T22] ------------[ cut here ]------------ [ 26.127466][ T22] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 26.133540][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.142995][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 26.149585][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 26.157370][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.167422][ T22] Workqueue: usb_hub_wq hub_event [ 26.172444][ T22] Call Trace: [ 26.175734][ T22] dump_stack+0xef/0x16e [ 26.179957][ T22] ? usb_submit_urb+0x1110/0x13b0 [ 26.184970][ T22] panic+0x2aa/0x6e1 [ 26.188863][ T22] ? add_taint.cold+0x16/0x16 [ 26.193521][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 26.198792][ T22] ? __warn.cold+0x14/0x30 [ 26.203197][ T22] ? __warn+0xd5/0x1c8 [ 26.207262][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 26.212293][ T22] __warn.cold+0x2f/0x30 [ 26.216527][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 26.221545][ T22] report_bug+0x27b/0x2f0 [ 26.225860][ T22] do_error_trap+0x12b/0x1e0 [ 26.230439][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 26.235450][ T22] do_invalid_op+0x32/0x40 [ 26.239846][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 26.244848][ T22] invalid_op+0x23/0x30 [ 26.248982][ T22] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 26.254960][ T22] 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 [ 26.274728][ T22] RSP: 0018:ffff8881d902f070 EFLAGS: 00010286 [ 26.280789][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 26.288753][ T22] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b205e00 [ 26.296713][ T22] RBP: ffff8881cf698000 R08: ffff8881da64e200 R09: fffffbfff11aeca4 [ 26.304753][ T22] R10: fffffbfff11aeca3 R11: ffffffff88d7651f R12: 0000000000000001 [ 26.312721][ T22] R13: ffff8881d1ddce58 R14: ffff8881cf40c0a0 R15: ffff8881d952ae00 [ 26.320703][ T22] ? vprintk_func+0x7d/0x113 [ 26.325289][ T22] aiptek_open+0xd5/0x130 [ 26.329653][ T22] input_open_device+0x16c/0x2c0 [ 26.334587][ T22] ? store_tabletXtilt+0x230/0x230 [ 26.339681][ T22] kbd_connect+0xfe/0x160 [ 26.344001][ T22] input_attach_handler+0x194/0x200 [ 26.349179][ T22] input_register_device.cold+0xf5/0x246 [ 26.354789][ T22] aiptek_probe.cold+0x28f/0x30d [ 26.359712][ T22] ? store_tabletExecute+0x80/0x80 [ 26.364823][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 26.370098][ T22] ? __pm_runtime_resume+0x111/0x180 [ 26.375375][ T22] usb_probe_interface+0x305/0x7a0 [ 26.380464][ T22] ? usb_probe_device+0x100/0x100 [ 26.385466][ T22] really_probe+0x281/0x6d0 [ 26.389959][ T22] driver_probe_device+0x104/0x210 [ 26.395050][ T22] __device_attach_driver+0x1c2/0x220 [ 26.400409][ T22] ? driver_allows_async_probing+0x160/0x160 [ 26.406368][ T22] bus_for_each_drv+0x162/0x1e0 [ 26.411197][ T22] ? bus_rescan_devices+0x20/0x20 [ 26.416219][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.422003][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 26.427277][ T22] __device_attach+0x217/0x360 [ 26.432036][ T22] ? device_bind_driver+0xd0/0xd0 [ 26.437080][ T22] bus_probe_device+0x1e4/0x290 [ 26.441947][ T22] device_add+0x1480/0x1c20 [ 26.446447][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 26.452499][ T22] ? create_intf_ep_devs+0x1ba/0x230 [ 26.457790][ T22] usb_set_configuration+0xe67/0x1740 [ 26.463144][ T22] generic_probe+0x9d/0xd5 [ 26.467543][ T22] usb_probe_device+0x99/0x100 [ 26.472288][ T22] ? usb_suspend+0x620/0x620 [ 26.476859][ T22] really_probe+0x281/0x6d0 [ 26.481357][ T22] driver_probe_device+0x104/0x210 [ 26.486450][ T22] __device_attach_driver+0x1c2/0x220 [ 26.491803][ T22] ? driver_allows_async_probing+0x160/0x160 [ 26.497767][ T22] bus_for_each_drv+0x162/0x1e0 [ 26.502625][ T22] ? bus_rescan_devices+0x20/0x20 [ 26.507656][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.513450][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 26.518724][ T22] __device_attach+0x217/0x360 [ 26.523482][ T22] ? device_bind_driver+0xd0/0xd0 [ 26.528486][ T22] bus_probe_device+0x1e4/0x290 [ 26.533327][ T22] device_add+0x1480/0x1c20 [ 26.537849][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 26.543908][ T22] usb_new_device.cold+0x6a4/0xe79 [ 26.549119][ T22] hub_event+0x1e59/0x3860 [ 26.553531][ T22] ? hub_port_debounce+0x260/0x260 [ 26.558629][ T22] ? find_held_lock+0x2d/0x110 [ 26.563385][ T22] ? mark_held_locks+0xe0/0xe0 [ 26.568237][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.573795][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.579081][ T22] process_one_work+0x92b/0x1530 [ 26.584267][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.589720][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 26.594736][ T22] worker_thread+0x96/0xe20 [ 26.599233][ T22] ? process_one_work+0x1530/0x1530 [ 26.604409][ T22] kthread+0x318/0x420 [ 26.608468][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 26.613823][ T22] ret_from_fork+0x24/0x30 [ 26.619135][ T22] Kernel Offset: disabled [ 26.623502][ T22] Rebooting in 86400 seconds..