Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. executing program [ 45.168273][ T35] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 45.408221][ T35] usb 1-1: Using ep0 maxpacket: 8 [ 45.688403][ T35] usb 1-1: New USB device found, idVendor=1964, idProduct=0001, bcdDevice=40.c4 [ 45.697562][ T35] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 45.705753][ T35] usb 1-1: Product: syz [ 45.710022][ T35] usb 1-1: Manufacturer: syz [ 45.714620][ T35] usb 1-1: SerialNumber: syz [ 45.723863][ T35] usb 1-1: config 0 descriptor?? [ 45.991091][ T35] general protection fault, probably for non-canonical address 0xdffffc000000008a: 0000 [#1] PREEMPT SMP KASAN [ 46.002836][ T35] KASAN: null-ptr-deref in range [0x0000000000000450-0x0000000000000457] [ 46.011237][ T35] CPU: 1 PID: 35 Comm: kworker/1:1 Not tainted 5.17.0-rc2-next-20220204-syzkaller #0 [ 46.020694][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.030736][ T35] Workqueue: usb_hub_wq hub_event [ 46.035777][ T35] RIP: 0010:device_property_match_string+0x2c/0xa0 [ 46.042287][ T35] Code: 49 89 d5 41 54 49 89 f4 55 53 48 89 fb e8 bc 01 fa fc 48 8d bb 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 5a 48 8b ab 50 04 00 00 48 85 ed 74 22 e8 8d 01 fa [ 46.061878][ T35] RSP: 0018:ffffc900010befd8 EFLAGS: 00010202 [ 46.067937][ T35] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 46.075908][ T35] RDX: 000000000000008a RSI: ffffffff847ea734 RDI: 0000000000000450 [ 46.083992][ T35] RBP: ffff8880127ec038 R08: 0000000000000000 R09: ffff8880127ec1a3 [ 46.091953][ T35] R10: ffffffff85ea3a99 R11: 0000000000000000 R12: ffffffff8a658720 [ 46.099912][ T35] R13: ffffffff8a6586e0 R14: ffff8880127ec660 R15: ffff8880127ec664 [ 46.107870][ T35] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 46.116809][ T35] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.123378][ T35] CR2: 00007ffd0b1f0910 CR3: 000000007f0f9000 CR4: 00000000003506e0 [ 46.131336][ T35] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.139289][ T35] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.147261][ T35] Call Trace: [ 46.150530][ T35] [ 46.153448][ T35] i2c_setup_smbus_alert+0x9c/0x1a0 [ 46.158647][ T35] ? i2c_smbus_try_get_dmabuf+0x130/0x130 [ 46.164357][ T35] ? memset+0x20/0x40 [ 46.168332][ T35] ? lockdep_init_map_type+0x2c3/0x7b0 [ 46.173784][ T35] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 46.180024][ T35] ? __init_waitqueue_head+0x6b/0xd0 [ 46.185301][ T35] i2c_register_adapter+0x32f/0x1150 [ 46.190580][ T35] ? lockdep_hardirqs_on+0x79/0x100 [ 46.195775][ T35] i2c_add_adapter+0x11a/0x1c0 [ 46.200532][ T35] osif_probe+0x2ae/0x500 [ 46.204854][ T35] usb_probe_interface+0x315/0x7f0 [ 46.209965][ T35] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 46.215328][ T35] really_probe+0x245/0xcc0 [ 46.219814][ T35] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 46.226051][ T35] __driver_probe_device+0x338/0x4d0 [ 46.231326][ T35] driver_probe_device+0x4c/0x1a0 [ 46.236333][ T35] __device_attach_driver+0x20b/0x2f0 [ 46.241818][ T35] ? driver_allows_async_probing+0x150/0x150 [ 46.247780][ T35] bus_for_each_drv+0x15f/0x1e0 [ 46.252631][ T35] ? bus_for_each_dev+0x1d0/0x1d0 [ 46.257649][ T35] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 46.263440][ T35] ? lockdep_hardirqs_on+0x79/0x100 [ 46.268632][ T35] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 46.274443][ T35] __device_attach+0x228/0x4a0 [ 46.279199][ T35] ? device_driver_attach+0x210/0x210 [ 46.284558][ T35] ? kobject_uevent_env+0x2ac/0x1660 [ 46.289837][ T35] bus_probe_device+0x1e4/0x290 [ 46.294687][ T35] device_add+0xc17/0x1ee0 [ 46.299099][ T35] ? mark_held_locks+0x9f/0xe0 [ 46.303857][ T35] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 46.310088][ T35] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 46.315880][ T35] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 46.322131][ T35] usb_set_configuration+0x101e/0x1900 [ 46.327589][ T35] usb_generic_driver_probe+0xba/0x100 [ 46.333051][ T35] usb_probe_device+0xd9/0x2c0 [ 46.337807][ T35] ? usb_driver_release_interface+0x180/0x180 [ 46.343865][ T35] really_probe+0x245/0xcc0 [ 46.348355][ T35] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 46.354591][ T35] __driver_probe_device+0x338/0x4d0 [ 46.359863][ T35] driver_probe_device+0x4c/0x1a0 [ 46.364874][ T35] __device_attach_driver+0x20b/0x2f0 [ 46.370232][ T35] ? driver_allows_async_probing+0x150/0x150 [ 46.376196][ T35] bus_for_each_drv+0x15f/0x1e0 [ 46.381040][ T35] ? bus_for_each_dev+0x1d0/0x1d0 [ 46.386057][ T35] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 46.391863][ T35] ? lockdep_hardirqs_on+0x79/0x100 [ 46.397057][ T35] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 46.402851][ T35] __device_attach+0x228/0x4a0 [ 46.407600][ T35] ? device_driver_attach+0x210/0x210 [ 46.412957][ T35] ? kobject_uevent_env+0x2ac/0x1660 [ 46.418240][ T35] bus_probe_device+0x1e4/0x290 [ 46.423085][ T35] device_add+0xc17/0x1ee0 [ 46.427494][ T35] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 46.433726][ T35] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 46.439962][ T35] usb_new_device.cold+0x63f/0x108e [ 46.445153][ T35] ? hub_disconnect+0x510/0x510 [ 46.450011][ T35] ? rwlock_bug.part.0+0x90/0x90 [ 46.454953][ T35] ? _raw_spin_unlock_irq+0x1f/0x40 [ 46.460148][ T35] hub_event+0x25c6/0x4680 [ 46.464564][ T35] ? hub_port_debounce+0x3c0/0x3c0 [ 46.469668][ T35] ? lock_release+0x720/0x720 [ 46.474373][ T35] ? lock_downgrade+0x6e0/0x6e0 [ 46.479213][ T35] ? do_raw_spin_lock+0x120/0x2a0 [ 46.484230][ T35] process_one_work+0x996/0x1610 [ 46.489158][ T35] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 46.494517][ T35] ? rwlock_bug.part.0+0x90/0x90 [ 46.499448][ T35] ? _raw_spin_lock_irq+0x41/0x50 [ 46.504468][ T35] worker_thread+0x665/0x1080 [ 46.509136][ T35] ? __kthread_parkme+0x15f/0x220 [ 46.514158][ T35] ? process_one_work+0x1610/0x1610 [ 46.519343][ T35] kthread+0x2e9/0x3a0 [ 46.523404][ T35] ? kthread_complete_and_exit+0x40/0x40 [ 46.529035][ T35] ret_from_fork+0x1f/0x30 [ 46.533445][ T35] [ 46.536449][ T35] Modules linked in: [ 46.