Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. [ 65.174878][ T3607] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 65.414859][ T3607] usb 1-1: Using ep0 maxpacket: 8 [ 65.694976][ T3607] usb 1-1: New USB device found, idVendor=1964, idProduct=0001, bcdDevice=40.c4 [ 65.704183][ T3607] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 65.712545][ T3607] usb 1-1: Product: syz [ 65.716831][ T3607] usb 1-1: Manufacturer: syz [ 65.721414][ T3607] usb 1-1: SerialNumber: syz [ 65.729549][ T3607] usb 1-1: config 0 descriptor?? [ 66.000214][ T3607] general protection fault, probably for non-canonical address 0xdffffc000000008a: 0000 [#1] PREEMPT SMP KASAN [ 66.011956][ T3607] KASAN: null-ptr-deref in range [0x0000000000000450-0x0000000000000457] [ 66.020520][ T3607] CPU: 0 PID: 3607 Comm: kworker/0:3 Not tainted 5.17.0-rc1-syzkaller #0 [ 66.028909][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.039027][ T3607] Workqueue: usb_hub_wq hub_event [ 66.044031][ T3607] RIP: 0010:device_property_match_string+0x20/0xb0 [ 66.050504][ T3607] Code: f4 ff ff ff eb e2 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 53 48 89 fb 48 81 c7 50 04 00 00 48 89 f9 48 83 ec 10 48 c1 e9 03 <80> 3c 01 00 75 49 48 8b bb 50 04 00 00 48 85 ff 74 0e 48 83 c4 10 [ 66.070094][ T3607] RSP: 0018:ffffc9000246f048 EFLAGS: 00010202 [ 66.076136][ T3607] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000008a [ 66.084087][ T3607] RDX: ffffffff897c2220 RSI: ffffffff897c2260 RDI: 0000000000000450 [ 66.092047][ T3607] RBP: ffff88807eb01038 R08: 0000000000000001 R09: ffff88807eb011a3 [ 66.099999][ T3607] R10: ffffed100fd60234 R11: 0000000000000000 R12: ffff88807eb01038 [ 66.107939][ T3607] R13: 0000000000000000 R14: ffff88807eb01660 R15: ffff88807eb01664 [ 66.115885][ T3607] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 66.124785][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.131442][ T3607] CR2: 00007f031b9bc6a8 CR3: 000000001b413000 CR4: 00000000003506f0 [ 66.139387][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.147330][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.155446][ T3607] Call Trace: [ 66.158710][ T3607] [ 66.161618][ T3607] i2c_setup_smbus_alert+0x94/0x140 [ 66.166792][ T3607] ? i2c_smbus_try_get_dmabuf+0x120/0x120 [ 66.172480][ T3607] ? memset+0x20/0x40 [ 66.176693][ T3607] ? __fw_devlink_link_to_suppliers+0x260/0x260 [ 66.182913][ T3607] ? __init_waitqueue_head+0x6b/0xd0 [ 66.188174][ T3607] i2c_register_adapter+0x2d0/0x10e0 [ 66.193430][ T3607] osif_probe+0x299/0x4a0 [ 66.197727][ T3607] usb_probe_interface+0x274/0x6a0 [ 66.202807][ T3607] really_probe+0x1c2/0xb60 [ 66.207278][ T3607] __driver_probe_device+0x2a6/0x460 [ 66.212542][ T3607] ? usb_match_id.part.0+0xdd/0x140 [ 66.217710][ T3607] driver_probe_device+0x44/0x110 [ 66.222824][ T3607] __device_attach_driver+0x185/0x250 [ 66.228164][ T3607] ? driver_allows_async_probing+0x120/0x120 [ 66.234110][ T3607] bus_for_each_drv+0x11e/0x1a0 [ 66.238930][ T3607] ? bus_for_each_dev+0x1a0/0x1a0 [ 66.243923][ T3607] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 66.249872][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 66.255039][ T3607] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 66.260817][ T3607] __device_attach+0x1db/0x410 [ 66.265550][ T3607] ? device_driver_attach+0x1b0/0x1b0 [ 66.270888][ T3607] ? kobject_uevent_env+0x225/0x1250 [ 66.276144][ T3607] bus_probe_device+0x19d/0x250 [ 66.280968][ T3607] device_add+0xa57/0x1b80 [ 66.285358][ T3607] ? __fw_devlink_link_to_suppliers+0x260/0x260 [ 66.291563][ T3607] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 66.297518][ T3607] usb_set_configuration+0xa66/0x18b0 [ 66.302963][ T3607] ? kernfs_create_link+0x167/0x220 [ 66.308131][ T3607] ? do_raw_spin_unlock+0x171/0x230 [ 66.313305][ T3607] usb_generic_driver_probe+0x74/0xa0 [ 66.318909][ T3607] usb_probe_device+0x95/0x240 [ 66.323643][ T3607] really_probe+0x1c2/0xb60 [ 66.328116][ T3607] __driver_probe_device+0x2a6/0x460 [ 66.333378][ T3607] driver_probe_device+0x44/0x110 [ 66.338382][ T3607] __device_attach_driver+0x185/0x250 [ 66.343991][ T3607] ? driver_allows_async_probing+0x120/0x120 [ 66.350109][ T3607] bus_for_each_drv+0x11e/0x1a0 [ 66.354927][ T3607] ? bus_for_each_dev+0x1a0/0x1a0 [ 66.360004][ T3607] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 66.365952][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 66.371116][ T3607] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 66.376908][ T3607] __device_attach+0x1db/0x410 [ 66.381681][ T3607] ? device_driver_attach+0x1b0/0x1b0 [ 66.387021][ T3607] ? kobject_uevent_env+0x225/0x1250 [ 66.392277][ T3607] bus_probe_device+0x19d/0x250 [ 66.397096][ T3607] device_add+0xa57/0x1b80 [ 66.401491][ T3607] ? __fw_devlink_link_to_suppliers+0x260/0x260 [ 66.407726][ T3607] usb_new_device.cold+0x5cf/0xee8 [ 66.412907][ T3607] ? hub_disconnect+0x470/0x470 [ 66.417738][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 66.422663][ T3607] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 66.428634][ T3607] hub_event+0x1ba2/0x3930 [ 66.433037][ T3607] ? hub_port_debounce+0x2d0/0x2d0 [ 66.438144][ T3607] ? usage_skip+0x101/0x160 [ 66.442694][ T3607] ? lock_release+0x720/0x720 [ 66.447406][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 66.452238][ T3607] ? do_raw_spin_lock+0x120/0x2b0 [ 66.457328][ T3607] process_one_work+0x879/0x1410 [ 66.462274][ T3607] ? lock_release+0x720/0x720 [ 66.466936][ T3607] ? pwq_dec_nr_in_flight+0x230/0x230 [ 66.472299][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 66.477217][ T3607] ? _raw_spin_lock_irq+0x41/0x50 [ 66.482243][ T3607] worker_thread+0x5a0/0xf60 [ 66.486821][ T3607] ? process_one_work+0x1410/0x1410 [ 66.491987][ T3607] kthread+0x299/0x340 [ 66.496050][ T3607] ? kthread_complete_and_exit+0x20/0x20 [ 66.5016