[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[ 14.850043][ T1657] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.015234][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.320848][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.680836][ T12] usb 1-1: config index 0 descriptor too short (expected 1307, got 27) [ 55.689381][ T12] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 55.698136][ T12] usb 1-1: config 0 has no interface number 0 [ 55.704754][ T12] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has an invalid bInterval 148, changing to 11 [ 55.716462][ T12] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has invalid maxpacket 1106, setting to 1024 [ 55.727717][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=c9ad, bcdDevice=38.3f [ 55.736771][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.745967][ T12] usb 1-1: config 0 descriptor?? [ 55.771048][ T1713] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 56.050811][ T12] udlfb 1-1:0.148: vendor descriptor not available (-71) [ 56.070839][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 56.090834][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 56.110827][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 56.116446][ T12] usb 1-1: Unable to get valid EDID from device/display [ 56.142153][ T12] ------------[ cut here ]------------ [ 56.147654][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 56.153711][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 56.163186][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 56.169757][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 56.177537][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.187581][ T12] Workqueue: usb_hub_wq hub_event [ 56.192674][ T12] Call Trace: [ 56.195948][ T12] dump_stack+0xef/0x16e [ 56.200193][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 56.205377][ T12] panic+0x2aa/0x6e1 [ 56.209259][ T12] ? add_taint.cold+0x16/0x16 [ 56.213926][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 56.219203][ T12] ? __warn.cold+0x14/0x30 [ 56.223617][ T12] ? __warn+0xd5/0x1c8 [ 56.227681][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 56.232685][ T12] __warn.cold+0x2f/0x30 [ 56.236918][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 56.241920][ T12] report_bug+0x27b/0x2f0 [ 56.246232][ T12] do_error_trap+0x12b/0x1e0 [ 56.250803][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 56.255828][ T12] do_invalid_op+0x32/0x40 [ 56.260313][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 56.265330][ T12] invalid_op+0x23/0x30 [ 56.269468][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 56.275078][ 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 [ 56.295010][ T12] RSP: 0018:ffff8881da626f28 EFLAGS: 00010282 [ 56.301054][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.309120][ T12] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b4c4dd7 [ 56.317103][ T12] RBP: ffff8881d90a5a80 R08: ffff8881da611880 R09: fffffbfff11aeca6 [ 56.325071][ T12] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: 0000000000000003 [ 56.333034][ T12] R13: ffff8881d5262c60 R14: ffff8881d058f0a0 R15: ffff8881d50c5400 [ 56.341011][ T12] ? vprintk_func+0x7d/0x113 [ 56.345847][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 56.350852][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 56.356202][ T12] dlfb_submit_urb+0x89/0x160 [ 56.360884][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 56.366154][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 56.370986][ T12] ? dlfb_handle_damage+0x660/0x660 [ 56.376165][ T12] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 56.381609][ T12] ? kfree+0xdc/0x310 [ 56.385596][ T12] dlfb_usb_probe.cold+0xed7/0x1bba [ 56.390790][ T12] ? edid_store+0x180/0x180 [ 56.395286][ T12] ? __pm_runtime_resume+0x111/0x180 [ 56.400555][ T12] usb_probe_interface+0x305/0x7a0 [ 56.405646][ T12] ? usb_probe_device+0x100/0x100 [ 56.410654][ T12] really_probe+0x281/0x6d0 [ 56.415191][ T12] driver_probe_device+0x104/0x210 [ 56.420295][ T12] __device_attach_driver+0x1c2/0x220 [ 56.425661][ T12] ? driver_allows_async_probing+0x160/0x160 [ 56.431625][ T12] bus_for_each_drv+0x162/0x1e0 [ 56.436465][ T12] ? bus_rescan_devices+0x20/0x20 [ 56.441477][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 56.447284][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 56.452748][ T12] __device_attach+0x217/0x360 [ 56.457515][ T12] ? device_bind_driver+0xd0/0xd0 [ 56.462549][ T12] bus_probe_device+0x1e4/0x290 [ 56.467387][ T12] device_add+0x1480/0x1c20 [ 56.471886][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 56.477195][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 56.483332][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 56.489815][ T12] usb_set_configuration+0xe67/0x1740 [ 56.495184][ T12] generic_probe+0x9d/0xd5 [ 56.499601][ T12] usb_probe_device+0x99/0x100 [ 56.504365][ T12] ? usb_suspend+0x620/0x620 [ 56.508948][ T12] really_probe+0x281/0x6d0 [ 56.513439][ T12] driver_probe_device+0x104/0x210 [ 56.518535][ T12] __device_attach_driver+0x1c2/0x220 [ 56.523886][ T12] ? driver_allows_async_probing+0x160/0x160 [ 56.530454][ T12] bus_for_each_drv+0x162/0x1e0 [ 56.535877][ T12] ? bus_rescan_devices+0x20/0x20 [ 56.541487][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 56.547466][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 56.552748][ T12] __device_attach+0x217/0x360 [ 56.557672][ T12] ? device_bind_driver+0xd0/0xd0 [ 56.562685][ T12] bus_probe_device+0x1e4/0x290 [ 56.567786][ T12] device_add+0x1480/0x1c20 [ 56.572807][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 56.579120][ T12] usb_new_device.cold+0x6a4/0xe79 [ 56.584215][ T12] hub_event+0x1e59/0x3860 [ 56.588633][ T12] ? hub_port_debounce+0x260/0x260 [ 56.593737][ T12] ? find_held_lock+0x2d/0x110 [ 56.598572][ T12] ? mark_held_locks+0xe0/0xe0 [ 56.603503][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.609118][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 56.614385][ T12] process_one_work+0x92b/0x1530 [ 56.621071][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.626442][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 56.631453][ T12] worker_thread+0x96/0xe20 [ 56.635965][ T12] ? process_one_work+0x1530/0x1530 [ 56.641144][ T12] kthread+0x318/0x420 [ 56.645370][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 56.650825][ T12] ret_from_fork+0x24/0x30 [ 56.655987][ T12] Kernel Offset: disabled [ 56.660365][ T12] Rebooting in 86400 seconds..