usb 1-1: config 0 has 1 interface, different from the descriptor's value: 65 usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: string descriptor 0 read error: -71 uvcvideo: Found UVC 0.00 device (0bd3:0555) uvcvideo 1-1:0.0: Entity type for entity Output 1 was not initialized! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2475 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4e2/0x650 drivers/media/mc/mc-entity.c:666 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2475 Comm: kworker/1:2 Not tainted 5.7.0-rc7-next-20200528-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x2f/0x3a kernel/panic.c:600 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:105 [inline] fixup_bug arch/x86/kernel/traps.c:100 [inline] do_error_trap+0x153/0x2b0 arch/x86/kernel/traps.c:197 handle_invalid_op arch/x86/kernel/traps.c:240 [inline] __exc_invalid_op arch/x86/kernel/traps.c:246 [inline] exc_invalid_op+0x34/0x40 arch/x86/kernel/traps.c:244 asm_exc_invalid_op+0x14/0x20 arch/x86/include/asm/idtentry.h:339 RIP: 0010:media_create_pad_link+0x4e2/0x650 drivers/media/mc/mc-entity.c:666 Code: 54 6e 2a fc 44 89 e0 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 3d 6e 2a fc 0f 0b 41 bc ea ff ff ff eb da e8 2e 6e 2a fc <0f> 0b 41 bc ea ff ff ff eb cb e8 1f 6e 2a fc 0f 0b 41 bc ea ff ff RSP: 0018:ffffc9000813efe8 EFLAGS: 00010293 RAX: ffff8880a0774100 RBX: ffff8880a601c870 RCX: ffffffff8548757e RDX: 0000000000000000 RSI: ffffffff854879e2 RDI: 0000000000000002 RBP: ffff8880a79c7870 R08: ffff8880a0774100 R09: ffffed1014fc5098 R10: ffff8880a7e284bb R11: ffffed1014fc5097 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline] uvc_mc_register_entities+0x468/0x77a drivers/media/usb/uvc/uvc_entity.c:114 uvc_register_chains drivers/media/usb/uvc/uvc_driver.c:2103 [inline] uvc_probe.cold+0x2027/0x29e1 drivers/media/usb/uvc/uvc_driver.c:2229 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:374 really_probe+0x281/0x6d0 drivers/base/dd.c:525 driver_probe_device+0xfe/0x1d0 drivers/base/dd.c:701 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:807 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x21a/0x360 drivers/base/dd.c:873 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xaf1/0x1900 drivers/base/core.c:2662 usb_set_configuration+0xec5/0x1740 drivers/usb/core/message.c:2032 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241 usb_probe_device+0xc6/0x1f0 drivers/usb/core/driver.c:272 really_probe+0x281/0x6d0 drivers/base/dd.c:525 driver_probe_device+0xfe/0x1d0 drivers/base/dd.c:701 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:807 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x21a/0x360 drivers/base/dd.c:873 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xaf1/0x1900 drivers/base/core.c:2662 usb_new_device.cold+0x753/0x103d drivers/usb/core/hub.c:2554 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x1eca/0x38f0 drivers/usb/core/hub.c:5576 process_one_work+0x965/0x1690 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:350 Kernel Offset: disabled Rebooting in 86400 seconds..