[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[ 14.957834][ T1664] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.061705][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.526970][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.887037][ T22] usb 1-1: config index 0 descriptor too short (expected 1307, got 27) [ 29.895492][ T22] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 29.903722][ T22] usb 1-1: config 0 has no interface number 0 [ 29.909991][ T22] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has an invalid bInterval 230, changing to 11 [ 29.921244][ T22] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has invalid maxpacket 1131, setting to 1024 [ 29.932379][ T22] usb 1-1: New USB device found, idVendor=17e9, idProduct=c9ad, bcdDevice=38.3f [ 29.941428][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.950921][ T22] usb 1-1: config 0 descriptor?? [ 29.967126][ T1717] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 30.246962][ T22] udlfb 1-1:0.148: vendor descriptor not available (-71) [ 30.266960][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 30.287025][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 30.306933][ T22] usb 1-1: Read EDID byte 0 failed: -71 [ 30.312510][ T22] usb 1-1: Unable to get valid EDID from device/display [ 30.338268][ T22] ------------[ cut here ]------------ [ 30.343751][ T22] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 30.349828][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 30.359275][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 30.365849][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 30.373967][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.383997][ T22] Workqueue: usb_hub_wq hub_event [ 30.388990][ T22] Call Trace: [ 30.392258][ T22] dump_stack+0xef/0x16e [ 30.396475][ T22] ? usb_submit_urb+0x1170/0x13b0 [ 30.401470][ T22] panic+0x2aa/0x6e1 [ 30.405352][ T22] ? add_taint.cold+0x16/0x16 [ 30.410027][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 30.415299][ T22] ? __warn.cold+0x14/0x30 [ 30.419693][ T22] ? __warn+0xd5/0x1c8 [ 30.423738][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 30.428735][ T22] __warn.cold+0x2f/0x30 [ 30.432953][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 30.438037][ T22] report_bug+0x27b/0x2f0 [ 30.442341][ T22] do_error_trap+0x12b/0x1e0 [ 30.446919][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 30.451917][ T22] do_invalid_op+0x32/0x40 [ 30.456308][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 30.461321][ T22] invalid_op+0x23/0x30 [ 30.465464][ T22] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 30.471071][ 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 [ 30.490648][ T22] RSP: 0018:ffff8881d8c36f28 EFLAGS: 00010282 [ 30.496686][ T22] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.504630][ T22] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b186dd7 [ 30.512580][ T22] RBP: ffff8881d0c38180 R08: ffff8881da24e200 R09: fffffbfff11f1eae [ 30.520630][ T22] R10: fffffbfff11f1ead R11: ffffffff88f8f56f R12: 0000000000000003 [ 30.528598][ T22] R13: ffff8881d0d8c648 R14: ffff8881c5a270a0 R15: ffff8881d56bee00 [ 30.536564][ T22] ? vprintk_func+0x7d/0x113 [ 30.541136][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 30.546248][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 30.551686][ T22] dlfb_submit_urb+0x89/0x160 [ 30.556352][ T22] dlfb_set_video_mode+0x2249/0x29b0 [ 30.561620][ T22] dlfb_ops_set_par+0x2a3/0x810 [ 30.566453][ T22] ? dlfb_handle_damage+0x660/0x660 [ 30.571633][ T22] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 30.577033][ T22] ? kfree+0xda/0x310 [ 30.580998][ T22] dlfb_usb_probe.cold+0xed7/0x1bba [ 30.586171][ T22] ? edid_store+0x180/0x180 [ 30.590650][ T22] ? __pm_runtime_resume+0x111/0x180 [ 30.595917][ T22] usb_probe_interface+0x305/0x7a0 [ 30.601004][ T22] ? usb_probe_device+0x100/0x100 [ 30.606001][ T22] really_probe+0x281/0x6d0 [ 30.610482][ T22] driver_probe_device+0x104/0x210 [ 30.615605][ T22] __device_attach_driver+0x1c2/0x220 [ 30.620953][ T22] ? driver_allows_async_probing+0x160/0x160 [ 30.626923][ T22] bus_for_each_drv+0x162/0x1e0 [ 30.631753][ T22] ? bus_rescan_devices+0x20/0x20 [ 30.636773][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.642553][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 30.647826][ T22] __device_attach+0x217/0x360 [ 30.652599][ T22] ? device_bind_driver+0xd0/0xd0 [ 30.657597][ T22] bus_probe_device+0x1e4/0x290 [ 30.662424][ T22] device_add+0x1480/0x1c20 [ 30.666923][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 30.672183][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 30.678233][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.684019][ T22] usb_set_configuration+0xe67/0x1740 [ 30.689363][ T22] generic_probe+0x9d/0xd5 [ 30.693758][ T22] usb_probe_device+0x99/0x100 [ 30.698523][ T22] ? usb_suspend+0x620/0x620 [ 30.703115][ T22] really_probe+0x281/0x6d0 [ 30.707593][ T22] driver_probe_device+0x104/0x210 [ 30.712679][ T22] __device_attach_driver+0x1c2/0x220 [ 30.718027][ T22] ? driver_allows_async_probing+0x160/0x160 [ 30.723995][ T22] bus_for_each_drv+0x162/0x1e0 [ 30.728817][ T22] ? bus_rescan_devices+0x20/0x20 [ 30.733831][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.739613][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 30.744886][ T22] __device_attach+0x217/0x360 [ 30.749630][ T22] ? device_bind_driver+0xd0/0xd0 [ 30.754632][ T22] bus_probe_device+0x1e4/0x290 [ 30.759478][ T22] device_add+0x1480/0x1c20 [ 30.764021][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 30.770076][ T22] usb_new_device.cold+0x6a4/0xe79 [ 30.775175][ T22] hub_event+0x1e59/0x3860 [ 30.779576][ T22] ? hub_port_debounce+0x260/0x260 [ 30.784667][ T22] ? find_held_lock+0x2d/0x110 [ 30.789418][ T22] ? mark_held_locks+0xe0/0xe0 [ 30.794176][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.799698][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.804960][ T22] process_one_work+0x92b/0x1530 [ 30.809872][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.815219][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 30.820225][ T22] worker_thread+0x96/0xe20 [ 30.824708][ T22] ? process_one_work+0x1530/0x1530 [ 30.829882][ T22] kthread+0x318/0x420 [ 30.833922][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 30.839273][ T22] ret_from_fork+0x24/0x30 [ 30.844391][ T22] Kernel Offset: disabled [ 30.848762][ T22] Rebooting in 86400 seconds..