Warning: Permanently added '10.128.1.71' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.650631][ T1528] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 46.890634][ T1528] usb 1-1: Using ep0 maxpacket: 8 [ 47.010788][ T1528] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 47.090732][ T1528] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0d55, bcdDevice=69.6a [ 47.093041][ T1528] usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0 [ 47.095022][ T1528] usb 1-1: Manufacturer: syz [ 47.099151][ T1528] usb 1-1: config 0 descriptor?? [ 47.393121][ T1528] usb 1-1: Found UVC 0.00 device (0bd3:0d55) [ 47.395004][ T1528] uvcvideo 1-1:0.0: Entity type for entity Output 255 was not initialized! [ 47.397690][ T1528] ------------[ cut here ]------------ [ 47.399058][ T1528] WARNING: CPU: 1 PID: 1528 at drivers/media/mc/mc-entity.c:667 media_create_pad_link+0x824/0x974 [ 47.401722][ T1528] Modules linked in: [ 47.402779][ T1528] CPU: 1 PID: 1528 Comm: kworker/1:2 Not tainted 5.15.103-syzkaller #0 [ 47.404848][ T1528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 47.407449][ T1528] Workqueue: usb_hub_wq hub_event [ 47.408711][ T1528] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 47.410714][ T1528] pc : media_create_pad_link+0x824/0x974 [ 47.412190][ T1528] lr : media_create_pad_link+0x820/0x974 [ 47.413612][ T1528] sp : ffff8000206b6760 [ 47.414656][ T1528] x29: ffff8000206b67b0 x28: dfff800000000000 x27: 0000000000000001 [ 47.416727][ T1528] x26: ffff0000cdd15080 x25: ffff0000cdd16080 x24: 0000000000000000 [ 47.418757][ T1528] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 [ 47.420797][ T1528] x20: dfff800000000000 x19: ffff0000cdd151f8 x18: ffff8000206b64a0 [ 47.422712][ T1528] x17: ff8080000e188bdc x16: ffff80000824ff34 x15: 000000000000cdef [ 47.424725][ T1528] x14: 00000000265d1dda x13: ffffffffffffffff x12: 0000000000000000 [ 47.426767][ T1528] x11: ff8080000e18cc78 x10: 0000000000000000 x9 : ffff80000e18cc78 [ 47.428745][ T1528] x8 : ffff0000cca81ac0 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.430768][ T1528] x5 : ffff800017644460 x4 : 0000000000000003 x3 : 0000000000000000 [ 47.432736][ T1528] x2 : ffff0000cdd15080 x1 : 0000000000000000 x0 : 00000000ffffffea [ 47.434791][ T1528] Call trace: [ 47.435589][ T1528] media_create_pad_link+0x824/0x974 [ 47.436923][ T1528] uvc_mc_register_entities+0x5d0/0x808 [ 47.438245][ T1528] uvc_register_chains+0x36c/0x464 [ 47.439585][ T1528] uvc_probe+0x7784/0x7f88 [ 47.440676][ T1528] usb_probe_interface+0x500/0x984 [ 47.441883][ T1528] really_probe+0x26c/0xaec [ 47.442978][ T1528] __driver_probe_device+0x1bc/0x3f8 [ 47.444297][ T1528] driver_probe_device+0x78/0x34c [ 47.445554][ T1528] __device_attach_driver+0x28c/0x4d8 [ 47.446903][ T1528] bus_for_each_drv+0x158/0x1e0 [ 47.448104][ T1528] __device_attach+0x2f0/0x480 [ 47.449307][ T1528] device_initial_probe+0x24/0x34 [ 47.450575][ T1528] bus_probe_device+0xbc/0x1c8 [ 47.451775][ T1528] device_add+0xae0/0xef4 [ 47.452880][ T1528] usb_set_configuration+0x15e0/0x1b60 [ 47.454274][ T1528] usb_generic_driver_probe+0x8c/0x148 [ 47.455622][ T1528] usb_probe_device+0x120/0x25c [ 47.456866][ T1528] really_probe+0x26c/0xaec [ 47.457962][ T1528] __driver_probe_device+0x1bc/0x3f8 [ 47.459327][ T1528] driver_probe_device+0x78/0x34c [ 47.460581][ T1528] __device_attach_driver+0x28c/0x4d8 [ 47.461962][ T1528] bus_for_each_drv+0x158/0x1e0 [ 47.463189][ T1528] __device_attach+0x2f0/0x480 [ 47.464403][ T1528] device_initial_probe+0x24/0x34 [ 47.465648][ T1528] bus_probe_device+0xbc/0x1c8 [ 47.466814][ T1528] device_add+0xae0/0xef4 [ 47.467921][ T1528] usb_new_device+0x8fc/0x1448 [ 47.469183][ T1528] hub_event+0x22e4/0x48c4 [ 47.470285][ T1528] process_one_work+0x84c/0x14b8 [ 47.471518][ T1528] worker_thread+0x910/0x1034 [ 47.472751][ T1528] kthread+0x37c/0x45c [ 47.473788][ T1528] ret_from_fork+0x10/0x20 [ 47.474879][ T1528] irq event stamp: 14848 [ 47.475781][ T1528] hardirqs last enabled at (14847): [] _raw_spin_unlock_irqrestore+0xac/0x158 [ 47.478012][ T1528] hardirqs last disabled at (14848): [] el1_dbg+0x24/0x80 [ 47.479938][ T1528] softirqs last enabled at (13966): [] __do_softirq+0xcc4/0xf60 [ 47.482232][ T1528] softirqs last disabled at (13961): [] __irq_exit_rcu+0x28c/0x534 [ 47.484629][ T1528] ---[ end trace 63ca6d71365511da ]--- [ 47.486206][ T1528] usb 1-1: Failed to create links for entity 255 [ 47.487711][ T1528] usb 1-1: Failed to register entities (-22). [ 47.493114][ T1528] usb 1-1: USB disconnect, device number 2