[ 15.636343][ C1] random: crng init done [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 '10.128.0.112' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.403295][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 34.643246][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 34.763351][ T22] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 34.771607][ T22] usb 1-1: config 0 has no interface number 0 [ 34.777924][ T22] usb 1-1: config 0 interface 101 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 34.789316][ T22] usb 1-1: config 0 interface 101 altsetting 2 endpoint 0xF has wMaxPacketSize 0, skipping [ 34.799354][ T22] usb 1-1: config 0 interface 101 has no altsetting 0 [ 34.806214][ T22] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=8e.b8 [ 34.815817][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 34.825439][ T22] usb 1-1: config 0 descriptor?? [ 34.867314][ T22] ------------[ cut here ]------------ [ 34.872923][ T22] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 34.879129][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 34.888583][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 34.895390][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 34.903180][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.913617][ T22] Workqueue: usb_hub_wq hub_event [ 34.918640][ T22] Call Trace: [ 34.921913][ T22] dump_stack+0xef/0x16e [ 34.926137][ T22] ? usb_submit_urb+0x1110/0x13b0 [ 34.931138][ T22] panic+0x2aa/0x6e1 [ 34.935012][ T22] ? add_taint.cold+0x16/0x16 [ 34.939714][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 34.945073][ T22] ? __warn.cold+0x14/0x30 [ 34.949466][ T22] ? __warn+0xd5/0x1c8 [ 34.953532][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 34.958543][ T22] __warn.cold+0x2f/0x30 [ 34.962764][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 34.968906][ T22] report_bug+0x27b/0x2f0 [ 34.973226][ T22] do_error_trap+0x12b/0x1e0 [ 34.977905][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 34.985038][ T22] do_invalid_op+0x32/0x40 [ 34.989458][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 34.994605][ T22] invalid_op+0x23/0x30 [ 34.998772][ T22] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 35.004627][ 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 [ 35.024353][ T22] RSP: 0018:ffff8881d902f190 EFLAGS: 00010282 [ 35.030408][ T22] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.038359][ T22] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b205e24 [ 35.046317][ T22] RBP: ffff8881d5718900 R08: ffff8881da64e200 R09: fffffbfff11aeca6 [ 35.054268][ T22] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000003 [ 35.062338][ T22] R13: ffff8881d119f360 R14: ffff8881d03970a0 R15: ffff8881d5718100 [ 35.070424][ T22] ? vprintk_func+0x7d/0x113 [ 35.075016][ T22] mcba_usb_probe+0x83a/0xbca [ 35.079677][ T22] ? mcba_usb_start_xmit+0xb00/0xb00 [ 35.084943][ T22] ? rpm_callback+0x230/0x230 [ 35.089607][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 35.095018][ T22] ? __pm_runtime_resume+0x111/0x180 [ 35.100291][ T22] usb_probe_interface+0x305/0x7a0 [ 35.105383][ T22] ? usb_probe_device+0x100/0x100 [ 35.110397][ T22] really_probe+0x281/0x6d0 [ 35.115071][ T22] driver_probe_device+0x104/0x210 [ 35.120176][ T22] __device_attach_driver+0x1c2/0x220 [ 35.125711][ T22] ? driver_allows_async_probing+0x160/0x160 [ 35.131751][ T22] bus_for_each_drv+0x162/0x1e0 [ 35.136659][ T22] ? bus_rescan_devices+0x20/0x20 [ 35.141678][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.147656][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 35.152951][ T22] __device_attach+0x217/0x360 [ 35.157722][ T22] ? device_bind_driver+0xd0/0xd0 [ 35.162737][ T22] bus_probe_device+0x1e4/0x290 [ 35.167585][ T22] device_add+0x1480/0x1c20 [ 35.172072][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 35.177444][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 35.183704][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.189499][ T22] usb_set_configuration+0xe67/0x1740 [ 35.194864][ T22] generic_probe+0x9d/0xd5 [ 35.199333][ T22] usb_probe_device+0x99/0x100 [ 35.204080][ T22] ? usb_suspend+0x620/0x620 [ 35.208718][ T22] really_probe+0x281/0x6d0 [ 35.213214][ T22] driver_probe_device+0x104/0x210 [ 35.218382][ T22] __device_attach_driver+0x1c2/0x220 [ 35.223779][ T22] ? driver_allows_async_probing+0x160/0x160 [ 35.229756][ T22] bus_for_each_drv+0x162/0x1e0 [ 35.234708][ T22] ? bus_rescan_devices+0x20/0x20 [ 35.240146][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 35.246027][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 35.251307][ T22] __device_attach+0x217/0x360 [ 35.256176][ T22] ? device_bind_driver+0xd0/0xd0 [ 35.261189][ T22] bus_probe_device+0x1e4/0x290 [ 35.266113][ T22] device_add+0x1480/0x1c20 [ 35.270948][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 35.277243][ T22] usb_new_device.cold+0x6a4/0xe79 [ 35.282435][ T22] hub_event+0x1e59/0x3860 [ 35.287029][ T22] ? hub_port_debounce+0x260/0x260 [ 35.292138][ T22] ? find_held_lock+0x2d/0x110 [ 35.297152][ T22] ? mark_held_locks+0xe0/0xe0 [ 35.301908][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 35.307473][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 35.312835][ T22] process_one_work+0x92b/0x1530 [ 35.317782][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 35.323142][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 35.328262][ T22] worker_thread+0x96/0xe20 [ 35.333374][ T22] ? process_one_work+0x1530/0x1530 [ 35.338678][ T22] kthread+0x318/0x420 [ 35.343018][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 35.348470][ T22] ret_from_fork+0x24/0x30 [ 35.354103][ T22] Kernel Offset: disabled [ 35.358513][ T22] Rebooting in 86400 seconds..