Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.137035][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.376224][ T7] usb 1-1: Using ep0 maxpacket: 32 [ 31.516296][ T7] usb 1-1: config 255 has an invalid interface number: 67 but max is 1 [ 31.524663][ T7] usb 1-1: config 255 contains an unexpected descriptor of type 0x1, skipping [ 31.533748][ T7] usb 1-1: config 255 has an invalid interface number: 226 but max is 1 [ 31.542141][ T7] usb 1-1: config 255 has no interface number 0 [ 31.548432][ T7] usb 1-1: config 255 has no interface number 1 [ 31.554702][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint with address 0x80, skipping [ 31.565540][ T7] usb 1-1: config 255 interface 67 altsetting 4 endpoint 0xB has invalid maxpacket 1023, setting to 64 [ 31.576642][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 31.587412][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 31.598332][ T7] usb 1-1: config 255 interface 67 altsetting 4 has a duplicate endpoint with address 0x3, skipping [ 31.609129][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 31.620070][ T7] usb 1-1: config 255 interface 67 altsetting 4 endpoint 0x4 has invalid maxpacket 1024, setting to 64 [ 31.631125][ T7] usb 1-1: config 255 interface 67 altsetting 4 has a duplicate endpoint with address 0xB, skipping [ 31.642144][ T7] usb 1-1: config 255 interface 67 altsetting 4 has a duplicate endpoint with address 0x9, skipping [ 31.652939][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 31.663938][ T7] usb 1-1: config 255 interface 67 altsetting 4 has an invalid endpoint descriptor of length 2, skipping [ 31.675178][ T7] usb 1-1: config 255 interface 67 altsetting 4 has a duplicate endpoint with address 0xB, skipping [ 31.686114][ T7] usb 1-1: config 255 interface 67 altsetting 4 has 17 endpoint descriptors, different from the interface descriptor's value: 16 [ 31.699460][ T7] usb 1-1: config 255 interface 67 has no altsetting 0 [ 31.866117][ T7] usb 1-1: New USB device found, idVendor=17e9, idProduct=b74f, bcdDevice=bc.7f [ 31.875163][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 31.883201][ T7] usb 1-1: Product: syz [ 31.887418][ T7] usb 1-1: Manufacturer: syz [ 31.892022][ T7] usb 1-1: SerialNumber: syz executing program [ 32.285881][ T7] udlfb 1-1:255.67: vendor descriptor not available (-71) [ 32.305736][ T7] usb 1-1: Read EDID byte 0 failed: -71 [ 32.325752][ T7] usb 1-1: Read EDID byte 0 failed: -71 [ 32.345727][ T7] usb 1-1: Read EDID byte 0 failed: -71 [ 32.351283][ T7] usb 1-1: Unable to get valid EDID from device/display [ 32.377225][ T7] ------------[ cut here ]------------ [ 32.382687][ T7] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 32.388924][ T7] WARNING: CPU: 0 PID: 7 at drivers/usb/core/urb.c:493 usb_submit_urb+0xcde/0x14e0 [ 32.398385][ T7] Modules linked in: [ 32.402485][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 32.410688][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.420806][ T7] Workqueue: usb_hub_wq hub_event [ 32.425879][ T7] RIP: 0010:usb_submit_urb+0xcde/0x14e0 [ 32.431438][ T7] Code: 84 d4 02 00 00 e8 82 31 bd fd 4c 89 ef e8 ea 02 1b ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 60 64 41 86 e8 ad 12 f3 01 <0f> 0b e9 ca f8 ff ff e8 56 31 bd fd 48 81 c5 40 06 00 00 e9 f6 f7 [ 32.451117][ T7] RSP: 0018:ffffc9000007edf8 EFLAGS: 00010286 [ 32.457245][ T7] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.465213][ T7] RDX: ffff888100289940 RSI: ffffffff8128f483 RDI: fffff5200000fdb1 [ 32.473224][ T7] RBP: ffff88811167a1e0 R08: 0000000000000001 R09: ffff8881f6a2f5cf [ 32.481252][ T7] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 32.489267][ T7] R13: ffff88811167b0a0 R14: ffff888106224500 R15: ffff88810202f900 [ 32.497311][ T7] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 32.506323][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.512916][ T7] CR2: 00007f478f903008 CR3: 0000000109126000 CR4: 00000000001506f0 [ 32.520922][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.528943][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.536964][ T7] Call Trace: [ 32.540269][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.545278][ T7] dlfb_submit_urb+0x89/0x160 [ 32.550010][ T7] dlfb_set_video_mode+0x21f0/0x2950 [ 32.555326][ T7] dlfb_ops_set_par+0x2a3/0x840 [ 32.560223][ T7] ? dlfb_ops_blank+0x8a0/0x8a0 [ 32.565078][ T7] ? kfree+0xe5/0x5e0 [ 32.569114][ T7] ? trace_kmalloc+0xac/0xe0 [ 32.573717][ T7] ? dlfb_usb_probe.cold+0xec0/0x1f5a [ 32.579129][ T7] dlfb_usb_probe.cold+0x113f/0x1f5a [ 32.584450][ T7] ? edid_store+0x180/0x180 [ 32.589008][ T7] ? __pm_runtime_set_status+0x48a/0xd20 [ 32.594644][ T7] usb_probe_interface+0x315/0x7f0 [ 32.599811][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 32.605201][ T7] really_probe+0x291/0xde0 [ 32.609788][ T7] driver_probe_device+0x26b/0x3d0 [ 32.614919][ T7] __device_attach_driver+0x1d1/0x290 [ 32.620345][ T7] ? driver_allows_async_probing+0x150/0x150 [ 32.626389][ T7] bus_for_each_drv+0x15f/0x1e0 [ 32.631224][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 32.636298][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.642295][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.647356][ T7] __device_attach+0x228/0x4a0 [ 32.652155][ T7] ? really_probe+0xde0/0xde0 [ 32.656877][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 32.662165][ T7] bus_probe_device+0x1e4/0x290 [ 32.667057][ T7] device_add+0xbb2/0x1ce0 [ 32.671491][ T7] ? devlink_add_symlinks+0x450/0x450 [ 32.676920][ T7] usb_set_configuration+0x113c/0x1910 [ 32.682415][ T7] usb_generic_driver_probe+0xba/0x100 [ 32.687927][ T7] usb_probe_device+0xd9/0x2c0 [ 32.692695][ T7] ? usb_driver_release_interface+0x180/0x180 [ 32.698798][ T7] really_probe+0x291/0xde0 [ 32.703319][ T7] driver_probe_device+0x26b/0x3d0 [ 32.708554][ T7] __device_attach_driver+0x1d1/0x290 [ 32.713937][ T7] ? driver_allows_async_probing+0x150/0x150 [ 32.719965][ T7] bus_for_each_drv+0x15f/0x1e0 [ 32.724937][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 32.730037][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.736078][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 32.741093][ T7] __device_attach+0x228/0x4a0 [ 32.745923][ T7] ? really_probe+0xde0/0xde0 [ 32.750606][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 32.755938][ T7] bus_probe_device+0x1e4/0x290 [ 32.760791][ T7] device_add+0xbb2/0x1ce0 [ 32.765198][ T7] ? devlink_add_symlinks+0x450/0x450 [ 32.770611][ T7] usb_new_device.cold+0x71d/0xfe9 [ 32.775803][ T7] ? hub_disconnect+0x510/0x510 [ 32.780645][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 32.785616][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 32.791618][ T7] hub_event+0x2348/0x42d0 [ 32.796077][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 32.801205][ T7] ? __lock_acquire+0x821/0x54f0 [ 32.806378][ T7] ? put_pwq+0xb0/0x1b0 [ 32.810539][ T7] ? lock_release+0x6d0/0x6d0 [ 32.815197][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 32.820182][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 32.825211][ T7] process_one_work+0x933/0x1520 [ 32.830188][ T7] ? lock_release+0x6d0/0x6d0 [ 32.834866][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 32.840297][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 32.845240][ T7] worker_thread+0x64c/0x1120 [ 32.849977][ T7] ? __kthread_parkme+0x118/0x1d0 [ 32.855009][ T7] ? process_one_work+0x1520/0x1520 [ 32.860269][ T7] kthread+0x38c/0x460 [ 32.864382][ T7] ? _raw_spin_unlock_irq+0x1f/0x30 [ 32.869671][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 32.875614][ T7] ret_from_fork+0x1f/0x30 [ 32.880024][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 32.886592][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 32.894716][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.904774][ T7] Workqueue: usb_hub_wq hub_event [ 32.909803][ T7] Call Trace: [ 32.913078][ T7] dump_stack+0x107/0x163 [ 32.917388][ T7] panic+0x306/0x73d [ 32.921262][ T7] ? __warn_printk+0xf3/0xf3 [ 32.925850][ T7] ? __warn.cold+0x1a/0x44 [ 32.930248][ T7] ? __warn+0xf1/0x210 [ 32.934307][ T7] ? usb_submit_urb+0xcde/0x14e0 [ 32.939224][ T7] __warn.cold+0x35/0x44 [ 32.943472][ T7] ? usb_submit_urb+0xcde/0x14e0 [ 32.948389][ T7] report_bug+0x1bd/0x210 [ 32.952697][ T7] handle_bug+0x3c/0x60 [ 32.956874][ T7] exc_invalid_op+0x14/0x40 [ 32.961358][ T7] asm_exc_invalid_op+0x12/0x20 [ 32.966192][ T7] RIP: 0010:usb_submit_urb+0xcde/0x14e0 [ 32.971717][ T7] Code: 84 d4 02 00 00 e8 82 31 bd fd 4c 89 ef e8 ea 02 1b ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 60 64 41 86 e8 ad 12 f3 01 <0f> 0b e9 ca f8 ff ff e8 56 31 bd fd 48 81 c5 40 06 00 00 e9 f6 f7 [ 32.991315][ T7] RSP: 0018:ffffc9000007edf8 EFLAGS: 00010286 [ 32.997362][ T7] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.005327][ T7] RDX: ffff888100289940 RSI: ffffffff8128f483 RDI: fffff5200000fdb1 [ 33.013280][ T7] RBP: ffff88811167a1e0 R08: 0000000000000001 R09: ffff8881f6a2f5cf [ 33.021247][ T7] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 33.029213][ T7] R13: ffff88811167b0a0 R14: ffff888106224500 R15: ffff88810202f900 [ 33.037169][ T7] ? vprintk_func+0x93/0x140 [ 33.041738][ T7] ? usb_submit_urb+0xcde/0x14e0 [ 33.046676][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.051682][ T7] dlfb_submit_urb+0x89/0x160 [ 33.056355][ T7] dlfb_set_video_mode+0x21f0/0x2950 [ 33.061637][ T7] dlfb_ops_set_par+0x2a3/0x840 [ 33.066466][ T7] ? dlfb_ops_blank+0x8a0/0x8a0 [ 33.071296][ T7] ? kfree+0xe5/0x5e0 [ 33.075274][ T7] ? trace_kmalloc+0xac/0xe0 [ 33.079842][ T7] ? dlfb_usb_probe.cold+0xec0/0x1f5a [ 33.085199][ T7] dlfb_usb_probe.cold+0x113f/0x1f5a [ 33.090464][ T7] ? edid_store+0x180/0x180 [ 33.094949][ T7] ? __pm_runtime_set_status+0x48a/0xd20 [ 33.100559][ T7] usb_probe_interface+0x315/0x7f0 [ 33.105648][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 33.110998][ T7] really_probe+0x291/0xde0 [ 33.115488][ T7] driver_probe_device+0x26b/0x3d0 [ 33.120581][ T7] __device_attach_driver+0x1d1/0x290 [ 33.125953][ T7] ? driver_allows_async_probing+0x150/0x150 [ 33.131910][ T7] bus_for_each_drv+0x15f/0x1e0 [ 33.136743][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 33.141762][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.147722][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.152725][ T7] __device_attach+0x228/0x4a0 [ 33.157466][ T7] ? really_probe+0xde0/0xde0 [ 33.162125][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 33.167388][ T7] bus_probe_device+0x1e4/0x290 [ 33.172249][ T7] device_add+0xbb2/0x1ce0 [ 33.176667][ T7] ? devlink_add_symlinks+0x450/0x450 [ 33.182018][ T7] usb_set_configuration+0x113c/0x1910 [ 33.187475][ T7] usb_generic_driver_probe+0xba/0x100 [ 33.192933][ T7] usb_probe_device+0xd9/0x2c0 [ 33.197688][ T7] ? usb_driver_release_interface+0x180/0x180 [ 33.203741][ T7] really_probe+0x291/0xde0 [ 33.208229][ T7] driver_probe_device+0x26b/0x3d0 [ 33.213320][ T7] __device_attach_driver+0x1d1/0x290 [ 33.218672][ T7] ? driver_allows_async_probing+0x150/0x150 [ 33.224634][ T7] bus_for_each_drv+0x15f/0x1e0 [ 33.229464][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 33.234470][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.240444][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 33.245449][ T7] __device_attach+0x228/0x4a0 [ 33.250193][ T7] ? really_probe+0xde0/0xde0 [ 33.254850][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 33.260130][ T7] bus_probe_device+0x1e4/0x290 [ 33.264959][ T7] device_add+0xbb2/0x1ce0 [ 33.269362][ T7] ? devlink_add_symlinks+0x450/0x450 [ 33.274727][ T7] usb_new_device.cold+0x71d/0xfe9 [ 33.279816][ T7] ? hub_disconnect+0x510/0x510 [ 33.284645][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 33.289578][ T7] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 33.295552][ T7] hub_event+0x2348/0x42d0 [ 33.299949][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 33.305038][ T7] ? __lock_acquire+0x821/0x54f0 [ 33.309983][ T7] ? put_pwq+0xb0/0x1b0 [ 33.314119][ T7] ? lock_release+0x6d0/0x6d0 [ 33.318773][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 33.323618][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 33.328635][ T7] process_one_work+0x933/0x1520 [ 33.333558][ T7] ? lock_release+0x6d0/0x6d0 [ 33.338225][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 33.343748][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 33.348842][ T7] worker_thread+0x64c/0x1120 [ 33.353498][ T7] ? __kthread_parkme+0x118/0x1d0 [ 33.358512][ T7] ? process_one_work+0x1520/0x1520 [ 33.363714][ T7] kthread+0x38c/0x460 [ 33.367761][ T7] ? _raw_spin_unlock_irq+0x1f/0x30 [ 33.372938][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 33.378811][ T7] ret_from_fork+0x1f/0x30 [ 33.383983][ T7] Kernel Offset: disabled [ 33.388379][ T7] Rebooting in 86400 seconds..