Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.489545][ T7059] IPVS: ftp: loaded support on port[0] = 21 [ 58.808078][ T3411] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.048000][ T3411] usb 1-1: Using ep0 maxpacket: 8 [ 59.207990][ T3411] usb 1-1: unable to get BOS descriptor or descriptor too short [ 59.288206][ T3411] usb 1-1: config 3 has an invalid interface number: 127 but max is 1 [ 59.297086][ T3411] usb 1-1: config 3 has an invalid interface number: 103 but max is 1 [ 59.307361][ T3411] usb 1-1: config 3 has an invalid interface descriptor of length 2, skipping [ 59.317521][ T3411] usb 1-1: config 3 has an invalid descriptor of length 32, skipping remainder of the config [ 59.328570][ T3411] usb 1-1: config 3 has no interface number 0 [ 59.335547][ T3411] usb 1-1: config 3 has no interface number 1 [ 59.342835][ T3411] usb 1-1: config 3 interface 127 altsetting 255 endpoint 0x9 has invalid maxpacket 512, setting to 64 [ 59.354664][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has an invalid endpoint with address 0x0, skipping [ 59.366251][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has an invalid endpoint with address 0x0, skipping [ 59.378156][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has an invalid endpoint descriptor of length 2, skipping [ 59.390317][ T3411] usb 1-1: config 3 interface 127 altsetting 255 endpoint 0xA has invalid maxpacket 512, setting to 64 [ 59.402065][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has an invalid endpoint with address 0x0, skipping [ 59.413559][ T3411] usb 1-1: config 3 interface 127 altsetting 255 endpoint 0x2 has invalid maxpacket 1023, setting to 64 [ 59.425488][ T3411] usb 1-1: config 3 interface 127 altsetting 255 endpoint 0x7 has an invalid bInterval 0, changing to 7 [ 59.437377][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has a duplicate endpoint with address 0x7, skipping [ 59.449004][ T3411] usb 1-1: config 3 interface 127 altsetting 255 has 11 endpoint descriptors, different from the interface descriptor's value: 10 [ 59.463294][ T3411] usb 1-1: config 3 interface 103 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 2 [ 59.477152][ T3411] usb 1-1: config 3 interface 127 has no altsetting 0 [ 59.638001][ T3411] usb 1-1: Dual-Role OTG device on HNP port [ 59.657891][ T3411] usb 1-1: New USB device found, idVendor=17e9, idProduct=b9c1, bcdDevice=e3.8c [ 59.666932][ T3411] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 59.676034][ T3411] usb 1-1: Product: syz [ 59.680829][ T3411] usb 1-1: Manufacturer: syz [ 59.685440][ T3411] usb 1-1: SerialNumber: syz [ 60.067883][ T3411] udlfb 1-1:3.127: vendor descriptor not available (-71) [ 60.088066][ T3411] usb 1-1: Read EDID byte 0 failed: -71 [ 60.107786][ T3411] usb 1-1: Read EDID byte 0 failed: -71 [ 60.127858][ T3411] usb 1-1: Read EDID byte 0 failed: -71 [ 60.133432][ T3411] usb 1-1: Unable to get valid EDID from device/display [ 60.159834][ T3411] ------------[ cut here ]------------ [ 60.165390][ T3411] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 60.172047][ T3411] WARNING: CPU: 1 PID: 3411 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x13b0 [ 60.181814][ T3411] Kernel panic - not syncing: panic_on_warn set ... [ 60.188396][ T3411] CPU: 1 PID: 3411 Comm: kworker/1:7 Not tainted 5.7.0-rc6-syzkaller #0 [ 60.196705][ T3411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.206748][ T3411] Workqueue: usb_hub_wq hub_event [ 60.211759][ T3411] Call Trace: [ 60.215033][ T3411] dump_stack+0x188/0x20d [ 60.219364][ T3411] ? usb_submit_urb+0x1140/0x13b0 [ 60.224367][ T3411] panic+0x2e3/0x75c [ 60.228262][ T3411] ? add_taint.cold+0x16/0x16 [ 60.232953][ T3411] ? __probe_kernel_read+0x188/0x1d0 [ 60.238214][ T3411] ? __warn.cold+0x14/0x35 [ 60.242630][ T3411] ? __warn+0xd5/0x1c8 [ 60.246697][ T3411] ? usb_submit_urb+0x1188/0x13b0 [ 60.251713][ T3411] __warn.cold+0x2f/0x35 [ 60.255936][ T3411] ? usb_submit_urb+0x1188/0x13b0 [ 60.260949][ T3411] report_bug+0x27b/0x2f0 [ 60.265257][ T3411] do_error_trap+0x12b/0x220 [ 60.269834][ T3411] ? usb_submit_urb+0x1188/0x13b0 [ 60.274845][ T3411] do_invalid_op+0x32/0x40 [ 60.279242][ T3411] ? usb_submit_urb+0x1188/0x13b0 [ 60.284246][ T3411] invalid_op+0x23/0x30 [ 60.288397][ T3411] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 60.294003][ T3411] Code: 4d 85 ed 74 2c e8 f8 20 6a fc 4c 89 f7 e8 e0 4a 57 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 4a ab 88 e8 c0 5a 3b fc <0f> 0b e9 20 f4 ff ff e8 cc 20 6a fc 4c 89 f2 48 b8 00 00 00 00 00 [ 60.313603][ T3411] RSP: 0018:ffffc9000a2cee48 EFLAGS: 00010286 [ 60.319654][ T3411] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.327622][ T3411] RDX: 0000000000000000 RSI: ffffffff815ce7f1 RDI: fffff52001459dbb [ 60.335591][ T3411] RBP: ffff88809ebd78a0 R08: ffff88809c754300 R09: ffffed1015ce66a9 [ 60.343550][ T3411] R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: 0000000000000003 [ 60.351518][ T3411] R13: ffff8880a69e7b00 R14: ffff8880a292c0a0 R15: ffff8880a8b8d000 [ 60.359505][ T3411] ? vprintk_func+0x81/0x17e [ 60.364078][ T3411] ? usb_submit_urb+0x1188/0x13b0 [ 60.369274][ T3411] ? lockdep_hardirqs_on+0x463/0x620 [ 60.374551][ T3411] dlfb_submit_urb+0x89/0x160 [ 60.380011][ T3411] dlfb_set_video_mode+0x2249/0x29b0 [ 60.385313][ T3411] dlfb_ops_set_par+0x2a3/0x810 [ 60.390167][ T3411] ? dlfb_handle_damage+0x660/0x660 [ 60.397455][ T3411] ? lockdep_hardirqs_on+0x463/0x620 [ 60.402745][ T3411] dlfb_usb_probe.cold+0xefa/0x1cae [ 60.407945][ T3411] ? dlfb_ops_open+0x280/0x280 [ 60.412698][ T3411] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 60.418494][ T3411] ? __pm_runtime_resume+0x111/0x170 [ 60.423757][ T3411] usb_probe_interface+0x305/0x7a0 [ 60.428862][ T3411] ? usb_probe_device+0x1f0/0x1f0 [ 60.433874][ T3411] really_probe+0x281/0x6d0 [ 60.438370][ T3411] driver_probe_device+0x104/0x210 [ 60.443463][ T3411] __device_attach_driver+0x1c2/0x220 [ 60.448944][ T3411] ? driver_allows_async_probing+0x170/0x170 [ 60.454969][ T3411] bus_for_each_drv+0x162/0x1e0 [ 60.460314][ T3411] ? bus_rescan_devices+0x20/0x20 [ 60.465335][ T3411] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.471169][ T3411] ? lockdep_hardirqs_on+0x463/0x620 [ 60.476447][ T3411] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 60.482247][ T3411] __device_attach+0x21a/0x360 [ 60.487009][ T3411] ? device_bind_driver+0xd0/0xd0 [ 60.492106][ T3411] bus_probe_device+0x1e4/0x290 [ 60.496962][ T3411] device_add+0x132d/0x1c10 [ 60.501474][ T3411] ? wait_for_completion+0x270/0x270 [ 60.506743][ T3411] ? uevent_show+0x360/0x360 [ 60.511313][ T3411] ? usb_cache_string+0xcd/0x110 [ 60.516463][ T3411] usb_set_configuration+0xec5/0x1740 [ 60.521829][ T3411] usb_generic_driver_probe+0x9d/0xe0 [ 60.527176][ T3411] usb_probe_device+0xc6/0x1f0 [ 60.531929][ T3411] ? usb_suspend+0x630/0x630 [ 60.536496][ T3411] really_probe+0x281/0x6d0 [ 60.540990][ T3411] driver_probe_device+0x104/0x210 [ 60.546505][ T3411] __device_attach_driver+0x1c2/0x220 [ 60.551875][ T3411] ? driver_allows_async_probing+0x170/0x170 [ 60.558025][ T3411] bus_for_each_drv+0x162/0x1e0 [ 60.563183][ T3411] ? bus_rescan_devices+0x20/0x20 [ 60.568233][ T3411] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.574028][ T3411] ? lockdep_hardirqs_on+0x463/0x620 [ 60.579320][ T3411] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 60.585127][ T3411] __device_attach+0x21a/0x360 [ 60.589876][ T3411] ? device_bind_driver+0xd0/0xd0 [ 60.594883][ T3411] bus_probe_device+0x1e4/0x290 [ 60.599730][ T3411] device_add+0x132d/0x1c10 [ 60.604215][ T3411] ? uevent_show+0x360/0x360 [ 60.608797][ T3411] ? usb_cache_string+0xcd/0x110 [ 60.613725][ T3411] ? lockdep_hardirqs_on+0x463/0x620 [ 60.619010][ T3411] usb_new_device.cold+0x701/0xfcf [ 60.624159][ T3411] ? hub_disconnect+0x4a0/0x4a0 [ 60.629057][ T3411] ? mark_held_locks+0x9f/0xe0 [ 60.633840][ T3411] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.639018][ T3411] hub_event+0x1eca/0x38f0 [ 60.643514][ T3411] ? hub_port_debounce+0x260/0x260 [ 60.648694][ T3411] ? perf_trace_workqueue_execute_end+0x201/0x420 [ 60.655267][ T3411] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.660805][ T3411] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.666771][ T3411] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.671951][ T3411] process_one_work+0x965/0x16a0 [ 60.676881][ T3411] ? lock_release+0x800/0x800 [ 60.681536][ T3411] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.686886][ T3411] ? rwlock_bug.part.0+0x90/0x90 [ 60.691807][ T3411] worker_thread+0x96/0xe20 [ 60.696292][ T3411] ? process_one_work+0x16a0/0x16a0 [ 60.701529][ T3411] kthread+0x388/0x470 [ 60.705571][ T3411] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.711272][ T3411] ret_from_fork+0x24/0x30 [ 60.716557][ T3411] Kernel Offset: disabled [ 60.720934][ T3411] Rebooting in 86400 seconds..